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stringlengths 14
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stringlengths 0
6.32M
| size
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| max_lines
int64 1
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stringclasses 2
values | autogenerated
bool 1
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|---|---|---|---|---|---|
cosmopolitan/libc/intrin/pslld.h | #ifndef COSMOPOLITAN_LIBC_INTRIN_PSLLD_H_
#define COSMOPOLITAN_LIBC_INTRIN_PSLLD_H_
#include "libc/intrin/macros.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
void pslld(uint32_t[4], const uint32_t[4], unsigned char);
void pslldv(uint32_t[4], const uint32_t[4], const uint64_t[2]);
#define pslld(A, B, I) INTRIN_SSEVEX_X_I_(pslld, SSE2, "pslld", A, B, I)
#define pslldv(A, B, C) \
INTRIN_SSEVEX_X_X_X_(pslldv, SSE2, "pslld", INTRIN_NONCOMMUTATIVE, A, B, C)
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_INTRIN_PSLLD_H_ */
| 593 | 17 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/bsr.h | #ifndef COSMOPOLITAN_LIBC_NEXGEN32E_BSR_H_
#define COSMOPOLITAN_LIBC_NEXGEN32E_BSR_H_
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
int _bsr(int) pureconst;
int _bsrl(long) pureconst;
int _bsrll(long long) pureconst;
#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
#ifdef __x86_64__
int _bsr128(uint128_t) pureconst;
#define _bsr(u) \
({ \
unsigned BiTs; \
asm("bsr\t%0,%0" : "=r"(BiTs) : "0"((unsigned)(u)) : "cc"); \
BiTs; \
})
#define _bsrl(u) \
({ \
unsigned long BiTs; \
asm("bsr\t%0,%0" : "=r"(BiTs) : "0"((unsigned long)(u)) : "cc"); \
(unsigned)BiTs; \
})
#define _bsrll(u) _bsrl(u)
#else
#define _bsr(x) (__builtin_clz(x) ^ (sizeof(int) * CHAR_BIT - 1))
#define _bsrl(x) (__builtin_clzl(x) ^ (sizeof(long) * CHAR_BIT - 1))
#define _bsrll(x) (__builtin_clzll(x) ^ (sizeof(long long) * CHAR_BIT - 1))
#endif
#endif
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_NEXGEN32E_BSR_H_ */
| 1,408 | 36 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/describesleepflags.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2022 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/fmt/itoa.h"
#include "libc/fmt/magnumstrs.internal.h"
#include "libc/intrin/describeflags.internal.h"
#include "libc/sysv/consts/timer.h"
/**
* Describes clock_nanosleep() flags argument.
*/
const char *(DescribeSleepFlags)(char buf[16], int x) {
switch (x) {
case 0:
return "0";
case TIMER_ABSTIME:
return "TIMER_ABSTIME";
default:
FormatInt32(buf, x);
return buf;
}
}
| 2,264 | 38 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/strrchr.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2020 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/str/str.h"
#ifndef __aarch64__
/**
* Searches for last instance of character in string.
*
* @param s is NUL-terminated string to search
* @param c is treated as unsigned char
* @return address of last c in s, or NULL if not found
* @asyncsignalsafe
*/
char *strrchr(const char *s, int c) {
return memrchr(s, c, strlen(s));
}
#endif /* __aarch64__ */
| 2,212 | 35 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/cxalock.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2022 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/intrin/cxaatexit.internal.h"
#include "libc/thread/thread.h"
static pthread_mutex_t __cxa_lock_obj;
void(__cxa_lock)(void) {
pthread_mutex_lock(&__cxa_lock_obj);
}
void(__cxa_unlock)(void) {
pthread_mutex_unlock(&__cxa_lock_obj);
}
void(__cxa_funlock)(void) {
pthread_mutex_init(&__cxa_lock_obj, 0);
}
__attribute__((__constructor__)) static void __cxa_init(void) {
pthread_atfork(__cxa_lock, __cxa_unlock, __cxa_funlock);
}
| 2,289 | 39 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/pavgw.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2020 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/intrin/pavgw.h"
#include "libc/str/str.h"
/**
* Averages packed 16-bit unsigned integers w/ rounding.
*
* @param ð [w/o] receives result
* @param ð [r/o] supplies first input vector
* @param ð [r/o] supplies second input vector
* @mayalias
*/
void(pavgw)(uint16_t a[8], const uint16_t b[8], const uint16_t c[8]) {
unsigned i;
int16_t r[8];
for (i = 0; i < 8; ++i) {
r[i] = (b[i] + c[i] + 1) >> 1;
}
__builtin_memcpy(a, r, 16);
}
| 2,311 | 38 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/phaddsw.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2020 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/intrin/phaddsw.h"
#include "libc/limits.h"
#include "libc/macros.internal.h"
/**
* Adds adjacent shorts w/ saturation.
*
* @param ð [w/o] receives reduced ð and ð concatenated
* @param ð [r/o] supplies four pairs of shorts
* @param ð [r/o] supplies four pairs of shorts
* @note goes fast w/ ssse3 (intel c. 2004, amd c. 2011)
* @mayalias
*/
void(phaddsw)(int16_t a[8], const int16_t b[8], const int16_t c[8]) {
int i, t[8];
t[0] = b[0] + b[1];
t[1] = b[2] + b[3];
t[2] = b[4] + b[5];
t[3] = b[6] + b[7];
t[4] = c[0] + c[1];
t[5] = c[2] + c[3];
t[6] = c[4] + c[5];
t[7] = c[6] + c[7];
for (i = 0; i < 8; ++i) {
a[i] = MIN(SHRT_MAX, MAX(SHRT_MIN, t[i]));
}
}
| 2,558 | 46 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/getmagnumstr.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2022 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/fmt/magnumstrs.internal.h"
char *GetMagnumStr(const struct MagnumStr *ms, int x) {
int i;
for (i = 0; ms[i].x != MAGNUM_TERMINATOR; ++i) {
if (x == MAGNUM_NUMBER(ms, i)) {
return MAGNUM_STRING(ms, i);
}
}
return 0;
}
| 2,091 | 30 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/psubusw.h | #ifndef COSMOPOLITAN_LIBC_INTRIN_PSUBUSW_H_
#define COSMOPOLITAN_LIBC_INTRIN_PSUBUSW_H_
#include "libc/intrin/macros.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
void psubusw(uint16_t[8], const uint16_t[8], const uint16_t[8]);
#define psubusw(A, B, C) \
INTRIN_SSEVEX_X_X_X_(psubusw, SSE2, "psubusw", INTRIN_NONCOMMUTATIVE, A, B, C)
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_INTRIN_PSUBUSW_H_ */
| 472 | 15 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/psrawv.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2020 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/intrin/psraw.h"
/**
* Divides shorts by two power.
*
* @note arithmetic shift right will sign extend negatives
* @mayalias
*/
void(psrawv)(int16_t a[8], const int16_t b[8], const uint64_t c[2]) {
unsigned i;
unsigned char k;
k = c[0] > 15 ? 15 : c[0];
for (i = 0; i < 8; ++i) {
a[i] = b[i] >> k;
}
}
| 2,171 | 35 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/feupdateenv.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2023 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/runtime/fenv.h"
/**
* Restores floating point environment and raises exceptions.
*/
int feupdateenv(const fenv_t *envp) {
int ex = fetestexcept(FE_ALL_EXCEPT);
fesetenv(envp);
feraiseexcept(ex);
return 0;
}
| 2,069 | 30 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/pushpop.h | #ifndef COSMOPOLITAN_LIBC_BITS_PUSHPOP_H_
#define COSMOPOLITAN_LIBC_BITS_PUSHPOP_H_
#include "libc/macros.internal.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
#if !defined(__GNUC__) || defined(__STRICT_ANSI__) || !defined(__x86_64__)
#define pushpop(x) (x)
#else
/**
* PushPop
* An elegant weapon for a more civilized age.
*/
#define pushpop(x) \
({ \
typeof(x) Popped; \
if (__builtin_constant_p(x) && \
(TYPE_SIGNED(typeof(x)) ? (intptr_t)(x) + 128 < 256 \
: (intptr_t)(x) < 128)) { \
if (x) { \
asm("push\t%1\n\t" \
"pop\t%q0" \
: "=r"(Popped) \
: "ir"(x)); \
} else { \
asm("xor\t%k0,%k0" : "=r"(Popped)); \
} \
} else { \
asm("" : "=r"(Popped) : "0"(x)); \
} \
Popped; \
})
#endif
#if !defined(__GNUC__) || defined(__STRICT_ANSI__) || !defined(__x86_64__)
#define pushmov(d, x) (*(d) = (x))
#else
#define pushmov(d, x) \
({ \
typeof(*(d)) Popped = (x); \
if (__builtin_constant_p(x) && \
(TYPE_SIGNED(typeof(x)) ? (intptr_t)(x) + 128 < 256 \
: (intptr_t)(x) < 128)) { \
asm("pushq\t%1\n\t" \
"popq\t%0" \
: "=m"(*(d)) \
: "ir"(Popped)); \
} else { \
*(d) = Popped; \
} \
Popped; \
})
#endif
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_BITS_PUSHPOP_H_ */
| 2,547 | 56 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/sigandset.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2020 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/calls/struct/sigset.h"
#include "libc/macros.internal.h"
#include "libc/str/str.h"
/**
* Bitwise ANDs two signal sets.
*
* @return 0 on success, or -1 w/ errno
* @asyncsignalsafe
* @vforksafe
*/
int sigandset(sigset_t *set, const sigset_t *x, const sigset_t *y) {
int i;
for (i = 0; i < ARRAYLEN(set->__bits); ++i) {
set->__bits[i] = x->__bits[i] & y->__bits[i];
}
return 0;
}
| 2,247 | 37 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/xchg.internal.h | #ifndef COSMOPOLITAN_LIBC_BITS_XCHG_H_
#define COSMOPOLITAN_LIBC_BITS_XCHG_H_
#include "libc/str/str.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
/**
* Exchanges *MEMORY into *LOCALVAR.
*
* @return *MEMORY
* todo(jart): what's the point of this?
*/
#define xchg(MEMORY, LOCALVAR) \
({ \
autotype(MEMORY) Memory = (MEMORY); \
typeof(Memory) LocalVar = (LOCALVAR); \
typeof(*Memory) Temp; \
memcpy(&Temp, Memory, sizeof(Temp)); \
memcpy(Memory, LocalVar, sizeof(Temp)); \
memcpy(LocalVar, &Temp, sizeof(Temp)); \
Temp; \
})
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_BITS_XCHG_H_ */
| 762 | 25 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/kmalloc.h | #ifndef COSMOPOLITAN_LIBC_INTRIN_KMALLOC_H_
#define COSMOPOLITAN_LIBC_INTRIN_KMALLOC_H_
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
void *kmalloc(size_t)
mallocesque attributeallocsize((1)) returnsaligned((8));
void __kmalloc_lock(void);
void __kmalloc_unlock(void);
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_INTRIN_KMALLOC_H_ */
| 402 | 15 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/segmentation.h | #ifndef COSMOPOLITAN_LIBC_BITS_SEGMENTATION_H_
#define COSMOPOLITAN_LIBC_BITS_SEGMENTATION_H_
#if !(__ASSEMBLER__ + __LINKER__ + 0)
#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
/**
* Reads scalar from memory, offset by segment.
*
* @return *(MEM) relative to segment
* @see arch_prctl()
* @see pushpop()
*/
#define fs(MEM) __peek("fs", MEM)
#define gs(MEM) __peek("gs", MEM)
#define __peek(SEGMENT, ADDRESS) \
({ \
typeof(*(ADDRESS)) Pk; \
asm("mov\t%%" SEGMENT ":%1,%0" : "=r"(Pk) : "m"(*(ADDRESS))); \
Pk; \
})
#endif /* __GNUC__ && !__STRICT_ANSI__ */
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_BITS_SEGMENTATION_H_ */
| 876 | 26 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/describesigaction.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2021 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/calls/calls.h"
#include "libc/calls/struct/sigaction.h"
#include "libc/calls/struct/sigset.h"
#include "libc/calls/struct/sigset.internal.h"
#include "libc/dce.h"
#include "libc/intrin/asan.internal.h"
#include "libc/intrin/describeflags.internal.h"
#include "libc/intrin/kprintf.h"
#include "libc/mem/alloca.h"
#include "libc/sysv/consts/sa.h"
static const char *DescribeSigHandler(char buf[64], void f(int)) {
if (f == SIG_ERR) return "SIG_ERR";
if (f == SIG_DFL) return "SIG_DFL";
if (f == SIG_IGN) return "SIG_IGN";
ksnprintf(buf, 64, "%t", f);
return buf;
}
static const char *DescribeSigFlags(char buf[64], int x) {
const struct DescribeFlags kSigFlags[] = {
{SA_NOCLDSTOP, "NOCLDSTOP"}, //
{SA_NOCLDWAIT, "NOCLDWAIT"}, //
{SA_SIGINFO, "SIGINFO"}, //
{SA_ONSTACK, "ONSTACK"}, //
{SA_RESTART, "RESTART"}, //
{SA_NODEFER, "NODEFER"}, //
{SA_RESETHAND, "RESETHAND"}, //
{SA_NOMASK, "NOMASK"}, //
{SA_ONESHOT, "ONESHOT"}, //
};
return DescribeFlags(buf, 64, kSigFlags, ARRAYLEN(kSigFlags), "SA_", x);
}
#define N 256
#define append(...) o += ksnprintf(buf + o, N - o, __VA_ARGS__)
const char *(DescribeSigaction)(char buf[N], int rc,
const struct sigaction *sa) {
int o = 0;
char b64[64];
if (rc == -1) return "n/a";
if (!sa) return "NULL";
if ((!IsAsan() && kisdangerous(sa)) ||
(IsAsan() && !__asan_is_valid(sa, sizeof(*sa)))) {
ksnprintf(buf, N, "%p", sa);
return buf;
}
append("{.sa_handler=%s", DescribeSigHandler(b64, sa->sa_handler));
if (sa->sa_flags) {
append(", .sa_flags=%s", DescribeSigFlags(b64, sa->sa_flags));
}
if (!sigisemptyset(&sa->sa_mask)) {
append(", .sa_mask=%s", DescribeSigset(rc, &sa->sa_mask));
}
append("}");
return buf;
}
| 3,700 | 84 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/pthread_cleanup_push.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2022 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/thread/posixthread.internal.h"
#include "libc/thread/thread.h"
#include "libc/thread/tls.h"
void(pthread_cleanup_push)(struct _pthread_cleanup_buffer *cb,
void (*routine)(void *), void *arg) {
struct PosixThread *pt;
cb->__routine = routine;
cb->__arg = arg;
if (__tls_enabled && (pt = (struct PosixThread *)__get_tls()->tib_pthread)) {
cb->__prev = pt->cleanup;
pt->cleanup = cb;
}
}
| 2,282 | 33 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/sigaddset.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2020 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/calls/struct/sigset.h"
#include "libc/sysv/consts/limits.h"
#include "libc/sysv/consts/sig.h"
#include "libc/sysv/errfuns.h"
/**
* Adds signal to set.
*
* @return 0 on success, or -1 w/ errno
* @raise EINVAL if `1 ⤠sig ⤠NSIG` isn't the case
* @asyncsignalsafe
*/
int sigaddset(sigset_t *set, int sig) {
_Static_assert(NSIG == sizeof(set->__bits) * CHAR_BIT, "");
_Static_assert(sizeof(set->__bits[0]) * CHAR_BIT == 64, "");
if (1 <= sig && sig <= NSIG) {
if (1 <= sig && sig <= _NSIG) {
set->__bits[(sig - 1) >> 6] |= 1ull << ((sig - 1) & 63);
}
return 0;
} else {
return einval();
}
}
| 2,482 | 43 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/sigorset.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2020 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/calls/struct/sigset.h"
#include "libc/macros.internal.h"
#include "libc/str/str.h"
/**
* Bitwise ORs two signal sets.
*
* @return 0 on success, or -1 w/ errno
* @asyncsignalsafe
* @vforksafe
*/
int sigorset(sigset_t *set, const sigset_t *x, const sigset_t *y) {
int i;
for (i = 0; i < ARRAYLEN(set->__bits); ++i) {
set->__bits[i] = x->__bits[i] | y->__bits[i];
}
return 0;
}
| 2,245 | 37 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/strchr.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2021 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/assert.h"
#include "libc/dce.h"
#include "libc/intrin/asan.internal.h"
#include "libc/nexgen32e/x86feature.h"
#include "libc/str/str.h"
#ifndef __aarch64__
static inline const char *strchr_pure(const char *s, int c) {
for (;; ++s) {
if ((*s & 255) == (c & 255)) return s;
if (!*s) return 0;
}
}
#ifdef __x86_64__
typedef char xmm_t __attribute__((__vector_size__(16), __aligned__(16)));
noasan static inline const char *strchr_sse(const char *s, unsigned char c) {
unsigned k;
unsigned m;
xmm_t v, *p;
xmm_t z = {0};
xmm_t n = {c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c};
k = (uintptr_t)s & 15;
p = (const xmm_t *)((uintptr_t)s & -16);
v = *p;
m = __builtin_ia32_pmovmskb128((v == z) | (v == n));
m >>= k;
m <<= k;
while (!m) {
v = *++p;
m = __builtin_ia32_pmovmskb128((v == z) | (v == n));
}
m = __builtin_ctzl(m);
s = (const char *)p + m;
if (c && !*s) s = 0;
return s;
}
#endif
static noasan inline const char *strchr_x64(const char *p, uint64_t c) {
unsigned a, b;
uint64_t w, x, y;
for (c *= 0x0101010101010101;; p += 8) {
w = (uint64_t)(255 & p[7]) << 070 | (uint64_t)(255 & p[6]) << 060 |
(uint64_t)(255 & p[5]) << 050 | (uint64_t)(255 & p[4]) << 040 |
(uint64_t)(255 & p[3]) << 030 | (uint64_t)(255 & p[2]) << 020 |
(uint64_t)(255 & p[1]) << 010 | (uint64_t)(255 & p[0]) << 000;
if ((x = ~(w ^ c) & ((w ^ c) - 0x0101010101010101) & 0x8080808080808080) |
(y = ~w & (w - 0x0101010101010101) & 0x8080808080808080)) {
if (x) {
a = __builtin_ctzll(x);
if (y) {
b = __builtin_ctzll(y);
if (a <= b) {
return p + (a >> 3);
} else {
return 0;
}
} else {
return p + (a >> 3);
}
} else {
return 0;
}
}
}
}
/**
* Returns pointer to first instance of character.
*
* @param s is a NUL-terminated string
* @param c is masked with 255 as byte to search for
* @return pointer to first instance of c or NULL if not found
* noting that if c is NUL we return pointer to terminator
* @asyncsignalsafe
* @vforksafe
*/
char *strchr(const char *s, int c) {
#ifdef __x86_64__
const char *r;
if (X86_HAVE(SSE)) {
if (IsAsan()) __asan_verify(s, 1);
r = strchr_sse(s, c);
} else {
r = strchr_pure(s, c);
}
_unassert(!r || *r || !(c & 255));
return (char *)r;
#else
char *r;
for (c &= 255; (uintptr_t)s & 7; ++s) {
if ((*s & 255) == c) return s;
if (!*s) return NULL;
}
r = strchr_x64(s, c);
_unassert(!r || *r || !c);
return r;
#endif
}
#endif /* __aarch64__ */
| 4,498 | 121 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/pabsw.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2020 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/intrin/pabsw.h"
#include "libc/macros.internal.h"
#include "libc/str/str.h"
/**
* Converts shorts to absolute values, ðáµ¢ â |ðáµ¢|.
* @note goes fast w/ ssse3 (intel c. 2004, amd c. 2011)
*/
void(pabsw)(uint16_t a[8], const int16_t b[8]) {
unsigned i;
uint16_t r[8];
for (i = 0; i < 8; ++i) {
r[i] = ABS(b[i]);
}
__builtin_memcpy(a, r, 16);
}
| 2,221 | 35 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/prot2nt.greg.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2020 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/intrin/directmap.internal.h"
#include "libc/nt/enum/pageflags.h"
#include "libc/sysv/consts/prot.h"
privileged int __prot2nt(int prot, int iscow) {
switch (prot & (PROT_READ | PROT_WRITE | PROT_EXEC)) {
case PROT_READ:
return kNtPageReadonly;
case PROT_EXEC:
case PROT_EXEC | PROT_READ:
return kNtPageExecuteRead;
case PROT_WRITE:
case PROT_READ | PROT_WRITE:
if (iscow) {
return kNtPageWritecopy;
} else {
return kNtPageReadwrite;
}
case PROT_WRITE | PROT_EXEC:
case PROT_READ | PROT_WRITE | PROT_EXEC:
if (iscow) {
return kNtPageExecuteWritecopy;
} else {
return kNtPageExecuteReadwrite;
}
default:
return kNtPageNoaccess;
}
}
| 2,603 | 48 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/phsubd.h | #ifndef COSMOPOLITAN_LIBC_INTRIN_PHSUBD_H_
#define COSMOPOLITAN_LIBC_INTRIN_PHSUBD_H_
#include "libc/intrin/macros.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
void phsubd(uint32_t[4], const uint32_t[4], const uint32_t[4]);
#define phsubd(A, B, C) \
INTRIN_SSEVEX_X_X_X_(phsubd, SSSE3, "phsubd", INTRIN_NONCOMMUTATIVE, A, B, C)
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_INTRIN_PHSUBD_H_ */
| 466 | 15 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/describefutexop.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2022 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/fmt/itoa.h"
#include "libc/intrin/describeflags.internal.h"
#include "libc/str/str.h"
#include "libc/sysv/consts/futex.h"
const char *(DescribeFutexOp)(char buf[64], int x) {
bool priv = false;
if (x & FUTEX_PRIVATE_FLAG) {
priv = true;
x &= ~FUTEX_PRIVATE_FLAG;
}
bool real = false;
if (x & FUTEX_CLOCK_REALTIME) {
real = true;
x &= ~FUTEX_CLOCK_REALTIME;
}
char *p = buf;
if (x == FUTEX_WAIT) {
p = stpcpy(p, "FUTEX_WAIT");
} else if (x == FUTEX_WAKE) {
p = stpcpy(p, "FUTEX_WAKE");
} else if (x == FUTEX_REQUEUE) {
p = stpcpy(p, "FUTEX_REQUEUE");
} else if (x == FUTEX_WAIT_BITSET) {
p = stpcpy(p, "FUTEX_WAIT_BITSET");
} else {
p = stpcpy(p, "FUTEX_");
p = FormatUint32(p, x);
}
if (priv) {
p = stpcpy(p, "_PRIVATE");
}
if (real) {
p = stpcpy(p, "|FUTEX_CLOCK_REALTIME");
}
return buf;
}
| 2,735 | 63 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/mman.greg.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
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â Copyright 2020 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
â âââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ£
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â âââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ
â αcϵαlly pδrÏαblε εxεcµÏαblε § no-frills virtual memory management â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "ape/relocations.h"
#include "libc/assert.h"
#include "libc/elf/def.h"
#include "libc/elf/struct/phdr.h"
#include "libc/macros.internal.h"
#include "libc/nexgen32e/uart.internal.h"
#include "libc/runtime/e820.internal.h"
#include "libc/runtime/metalprintf.internal.h"
#include "libc/runtime/pc.internal.h"
#include "libc/runtime/runtime.h"
#ifdef __x86_64__
#define INVERT(x) (BANE + PHYSICAL(x))
#define NOPAGE ((uint64_t)-1)
struct ReclaimedPage {
uint64_t next;
};
/**
* Allocates new page of physical memory.
*/
noasan texthead uint64_t __new_page(struct mman *mm) {
uint64_t p = mm->frp;
if (p != NOPAGE) {
uint64_t q;
struct ReclaimedPage *rp = (struct ReclaimedPage *)(BANE + p);
_unassert(p == (p & PAGE_TA));
q = rp->next;
_unassert(q == (q & PAGE_TA) || q == NOPAGE);
mm->frp = q;
return p;
}
if (mm->pdpi == mm->e820n) {
return 0;
}
while (mm->pdp >= mm->e820[mm->pdpi].addr + mm->e820[mm->pdpi].size) {
if (++mm->pdpi == mm->e820n) return 0;
mm->pdp = MAX(mm->pdp, mm->e820[mm->pdpi].addr);
}
p = mm->pdp;
mm->pdp += 4096;
return p;
}
/**
* Returns pointer to page table entry for page at virtual address.
* Additional page tables are allocated if needed as a side-effect.
*/
noasan textreal uint64_t *__get_virtual(struct mman *mm, uint64_t *t,
int64_t vaddr, bool maketables) {
uint64_t *e, p;
unsigned char h;
for (h = 39;; h -= 9) {
e = t + ((vaddr >> h) & 511);
if (h == 12) return e;
if (!(*e & (PAGE_V | PAGE_RSRV))) {
if (!maketables) return NULL;
if (!(p = __new_page(mm))) return NULL;
__clear_page(BANE + p);
*e = p | PAGE_V | PAGE_RW;
}
t = (uint64_t *)(BANE + (*e & PAGE_TA));
}
}
/**
* Sorts, rounds, and filters BIOS memory map.
*/
static noasan textreal void __normalize_e820(struct mman *mm, uint64_t top) {
uint64_t a, b;
uint64_t x, y;
unsigned i, j, n;
for (n = i = 0; mm->e820[i].size; ++i) {
mm->e820[n] = mm->e820[i];
x = mm->e820[n].addr;
y = mm->e820[n].addr + mm->e820[n].size;
a = ROUNDUP(x, 4096);
b = ROUNDDOWN(y, 4096);
if (b > a && mm->e820[i].type == kMemoryUsable) {
b -= a;
mm->e820[n].addr = a;
mm->e820[n].size = b;
++n;
}
}
for (i = 1; i < n; ++i) {
for (j = i; j > 0 && mm->e820[i].addr < mm->e820[j - 1].addr; --j) {
mm->e820[j] = mm->e820[j - 1];
}
mm->e820[j] = mm->e820[i];
}
top = ROUNDUP(top, 4096);
mm->pdp = MAX(top, mm->e820[0].addr);
mm->pdpi = 0;
mm->e820n = n;
mm->frp = NOPAGE;
}
/**
* Identity maps an area of physical memory to its negative address.
*/
noasan textreal uint64_t *__invert_memory_area(struct mman *mm, uint64_t *pml4t,
uint64_t ps, uint64_t size,
uint64_t pte_flags) {
uint64_t pe = ps + size, p, *m = NULL;
ps = ROUNDDOWN(ps, 4096);
pe = ROUNDUP(pe, 4096);
for (p = ps; p != pe; p += 4096) {
m = __get_virtual(mm, pml4t, BANE + p, true);
if (m && !(*m & (PAGE_V | PAGE_RSRV))) {
*m = p | PAGE_V | PAGE_RSRV | pte_flags;
}
}
return m;
}
/**
* Increments the reference count for a page of physical memory.
*/
noasan void __ref_page(struct mman *mm, uint64_t *pml4t, uint64_t p) {
uint64_t *m, e;
m = __invert_memory_area(mm, pml4t, p, 4096, PAGE_RW | PAGE_XD);
if (m) {
e = *m;
if ((e & PAGE_REFC) != PAGE_REFC) {
e += PAGE_1REF;
*m = e;
}
}
}
/**
* Increments the reference counts for an area of physical memory.
*/
noasan void __ref_pages(struct mman *mm, uint64_t *pml4t, uint64_t ps,
uint64_t size) {
uint64_t p = ROUNDDOWN(ps, 4096), e = ROUNDUP(ps + size, 4096);
while (p != e) {
__ref_page(mm, pml4t, p);
p += 4096;
}
}
/**
* Reclaims a page of physical memory for later use.
*/
static noasan void __reclaim_page(struct mman *mm, uint64_t p) {
struct ReclaimedPage *rp = (struct ReclaimedPage *)(BANE + p);
_unassert(p == (p & PAGE_TA));
rp->next = mm->frp;
mm->frp = p;
}
/**
* Decrements the reference count for a page of physical memory. Frees the
* page if there are no virtual addresses (excluding the negative space)
* referring to it.
*/
noasan void __unref_page(struct mman *mm, uint64_t *pml4t, uint64_t p) {
uint64_t *m, e;
m = __invert_memory_area(mm, pml4t, p, 4096, PAGE_RW | PAGE_XD);
if (m) {
e = *m;
if ((e & PAGE_REFC) != PAGE_REFC) {
e -= PAGE_1REF;
*m = e;
if ((e & PAGE_REFC) == 0) __reclaim_page(mm, p);
}
}
}
/**
* Identity maps all usable physical memory to its negative address.
*/
static noasan textreal void __invert_memory(struct mman *mm, uint64_t *pml4t) {
uint64_t i, j, *m, p, pe;
for (i = 0; i < mm->e820n; ++i) {
uint64_t ps = mm->e820[i].addr, size = mm->e820[i].size;
/* ape/ape.S has already mapped the first 2 MiB of physical memory. */
if (ps < 0x200000 && ps + size <= 0x200000) continue;
__invert_memory_area(mm, pml4t, ps, size, PAGE_RW | PAGE_XD);
}
}
/**
* Exports information about the offset of a field within a structure type,
* so that assembly language routines can use it. This macro can be invoked
* from inside a function whose code is known to be emitted.
*/
#define export_offsetof(type, member) \
do { \
asm volatile(".globl \"" #type "::" #member "\"\n\t" \
".set \"" #type "::" #member "\",%c0" \
: /* no outputs */ \
: "i"(offsetof(type, member))); \
} while (0)
noasan textreal void __setup_mman(struct mman *mm, uint64_t *pml4t,
uint64_t top) {
export_offsetof(struct mman, pc_drive_base_table);
export_offsetof(struct mman, pc_drive_last_sector);
export_offsetof(struct mman, pc_drive_last_head);
export_offsetof(struct mman, pc_drive);
export_offsetof(struct mman, e820);
export_offsetof(struct mman, e820_end);
export_offsetof(struct mman, bad_idt);
export_offsetof(struct mman, pc_drive_next_sector);
export_offsetof(struct mman, pc_drive_next_cylinder);
export_offsetof(struct mman, pc_drive_next_head);
export_offsetof(struct mman, pc_video_type);
export_offsetof(struct mman, pc_video_stride);
export_offsetof(struct mman, pc_video_width);
export_offsetof(struct mman, pc_video_height);
export_offsetof(struct mman, pc_video_framebuffer);
export_offsetof(struct mman, pc_video_framebuffer_size);
export_offsetof(struct mman, pc_video_curs_info);
export_offsetof(struct mman, pc_video_char_height);
__normalize_e820(mm, top);
__invert_memory(mm, pml4t);
}
/**
* Maps APE-defined ELF program headers into memory and clears BSS.
*/
noasan textreal void __map_phdrs(struct mman *mm, uint64_t *pml4t, uint64_t b,
uint64_t top) {
struct Elf64_Phdr *p;
uint64_t i, f, v, m, *e;
extern char ape_phdrs[] __attribute__((__weak__));
extern char ape_phdrs_end[] __attribute__((__weak__));
__setup_mman(mm, pml4t, top);
for (p = (struct Elf64_Phdr *)INVERT(ape_phdrs), m = 0;
p < (struct Elf64_Phdr *)INVERT(ape_phdrs_end); ++p) {
if (p->p_type == PT_LOAD || p->p_type == PT_GNU_STACK) {
f = PAGE_RSRV | PAGE_U;
if (p->p_flags & PF_W)
f |= PAGE_V | PAGE_RW;
else if (p->p_flags & (PF_R | PF_X))
f |= PAGE_V;
if (!(p->p_flags & PF_X)) f |= PAGE_XD;
for (i = 0; i < p->p_memsz; i += 4096) {
if (i < p->p_filesz) {
v = b + p->p_offset + i;
m = MAX(m, v);
} else {
v = __clear_page(BANE + __new_page(mm));
}
*__get_virtual(mm, pml4t, p->p_vaddr + i, true) = (v & PAGE_TA) | f;
__ref_page(mm, pml4t, v & PAGE_TA);
}
}
}
mm->pdp = MAX(mm->pdp, m);
}
/**
* Reclaims memory pages which were used at boot time but which can now be
* made available for the application.
*/
noasan textreal void __reclaim_boot_pages(struct mman *mm, uint64_t skip_start,
uint64_t skip_end) {
uint64_t p = mm->frp, q = IMAGE_BASE_REAL, i, n = mm->e820n, b, e;
for (i = 0; i < n; ++i) {
b = mm->e820[i].addr;
if (b >= IMAGE_BASE_PHYSICAL) break;
e = MIN(IMAGE_BASE_PHYSICAL, b + mm->e820[i].size);
q = MAX(IMAGE_BASE_REAL, b);
while (q < e) {
struct ReclaimedPage *rp;
if (q == skip_start) {
q = skip_end;
if (q >= e) break;
}
rp = (struct ReclaimedPage *)(BANE + q);
rp->next = p;
p = q;
q += 4096;
}
}
mm->frp = p;
}
#endif /* __x86_64__ */
| 14,322 | 319 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/_getauxval.internal.h | #ifndef COSMOPOLITAN_LIBC_INTRIN_GETAUXVAL_INTERNAL_H_
#define COSMOPOLITAN_LIBC_INTRIN_GETAUXVAL_INTERNAL_H_
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
struct AuxiliaryValue {
unsigned long value;
bool isfound;
};
struct AuxiliaryValue _getauxval(unsigned long);
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_INTRIN_GETAUXVAL_INTERNAL_H_ */
| 415 | 16 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/phaddw.h | #ifndef COSMOPOLITAN_LIBC_INTRIN_PHADDW_H_
#define COSMOPOLITAN_LIBC_INTRIN_PHADDW_H_
#include "libc/intrin/macros.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
void phaddw(int16_t[8], const int16_t[8], const int16_t[8]);
#define phaddw(A, B, C) \
INTRIN_SSEVEX_X_X_X_(phaddw, SSSE3, "phaddw", INTRIN_NONCOMMUTATIVE, A, B, C)
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_INTRIN_PHADDW_H_ */
| 463 | 15 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/comparetf2.c | /* clang-format off */
//===-- lib/comparetf2.c - Quad-precision comparisons -------------*- C -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// // This file implements the following soft-float comparison routines:
//
// __eqtf2 __getf2 __unordtf2
// __letf2 __gttf2
// __lttf2
// __netf2
//
// The semantics of the routines grouped in each column are identical, so there
// is a single implementation for each, and wrappers to provide the other names.
//
// The main routines behave as follows:
//
// __letf2(a,b) returns -1 if a < b
// 0 if a == b
// 1 if a > b
// 1 if either a or b is NaN
//
// __getf2(a,b) returns -1 if a < b
// 0 if a == b
// 1 if a > b
// -1 if either a or b is NaN
//
// __unordtf2(a,b) returns 0 if both a and b are numbers
// 1 if either a or b is NaN
//
// Note that __letf2( ) and __getf2( ) are identical except in their handling of
// NaN values.
//
//===----------------------------------------------------------------------===//
#define QUAD_PRECISION
#include "third_party/compiler_rt/fp_lib.inc"
#if defined(CRT_HAS_128BIT) && defined(CRT_LDBL_128BIT)
enum LE_RESULT {
LE_LESS = -1,
LE_EQUAL = 0,
LE_GREATER = 1,
LE_UNORDERED = 1
};
COMPILER_RT_ABI enum LE_RESULT __letf2(fp_t a, fp_t b) {
const srep_t aInt = toRep(a);
const srep_t bInt = toRep(b);
const rep_t aAbs = aInt & absMask;
const rep_t bAbs = bInt & absMask;
// If either a or b is NaN, they are unordered.
if (aAbs > infRep || bAbs > infRep) return LE_UNORDERED;
// If a and b are both zeros, they are equal.
if ((aAbs | bAbs) == 0) return LE_EQUAL;
// If at least one of a and b is positive, we get the same result comparing
// a and b as signed integers as we would with a floating-point compare.
if ((aInt & bInt) >= 0) {
if (aInt < bInt) return LE_LESS;
else if (aInt == bInt) return LE_EQUAL;
else return LE_GREATER;
}
else {
// Otherwise, both are negative, so we need to flip the sense of the
// comparison to get the correct result. (This assumes a twos- or ones-
// complement integer representation; if integers are represented in a
// sign-magnitude representation, then this flip is incorrect).
if (aInt > bInt) return LE_LESS;
else if (aInt == bInt) return LE_EQUAL;
else return LE_GREATER;
}
}
// Alias for libgcc compatibility
COMPILER_RT_ABI enum LE_RESULT __cmptf2(fp_t a, fp_t b) {
return __letf2(a, b);
}
enum GE_RESULT {
GE_LESS = -1,
GE_EQUAL = 0,
GE_GREATER = 1,
GE_UNORDERED = -1 // Note: different from LE_UNORDERED
};
COMPILER_RT_ABI enum GE_RESULT __getf2(fp_t a, fp_t b) {
const srep_t aInt = toRep(a);
const srep_t bInt = toRep(b);
const rep_t aAbs = aInt & absMask;
const rep_t bAbs = bInt & absMask;
if (aAbs > infRep || bAbs > infRep) return GE_UNORDERED;
if ((aAbs | bAbs) == 0) return GE_EQUAL;
if ((aInt & bInt) >= 0) {
if (aInt < bInt) return GE_LESS;
else if (aInt == bInt) return GE_EQUAL;
else return GE_GREATER;
} else {
if (aInt > bInt) return GE_LESS;
else if (aInt == bInt) return GE_EQUAL;
else return GE_GREATER;
}
}
COMPILER_RT_ABI int __unordtf2(fp_t a, fp_t b) {
const rep_t aAbs = toRep(a) & absMask;
const rep_t bAbs = toRep(b) & absMask;
return aAbs > infRep || bAbs > infRep;
}
// The following are alternative names for the preceding routines.
COMPILER_RT_ABI enum LE_RESULT __eqtf2(fp_t a, fp_t b) {
return __letf2(a, b);
}
COMPILER_RT_ABI enum LE_RESULT __lttf2(fp_t a, fp_t b) {
return __letf2(a, b);
}
COMPILER_RT_ABI enum LE_RESULT __netf2(fp_t a, fp_t b) {
return __letf2(a, b);
}
COMPILER_RT_ABI enum GE_RESULT __gttf2(fp_t a, fp_t b) {
return __getf2(a, b);
}
#endif
| 4,281 | 136 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/wrfsbase.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2022 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/intrin/fsgsbase.h"
#ifdef __x86_64__
/**
* Changes `%fs` base address.
*
* @see _have_fsgsbase()
*/
void *(_wrfsbase)(void *p) {
return _wrfsbase(p);
}
#endif /* __x86_64__ */
| 2,035 | 32 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/punpcklbw.h | #ifndef COSMOPOLITAN_LIBC_INTRIN_PUNPCKLBW_H_
#define COSMOPOLITAN_LIBC_INTRIN_PUNPCKLBW_H_
#include "libc/intrin/macros.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
void punpcklbw(uint8_t[16], const uint8_t[16], const uint8_t[16]);
#define punpcklbw(A, B, C) \
INTRIN_SSEVEX_X_X_X_(punpcklbw, SSE2, "punpcklbw", INTRIN_NONCOMMUTATIVE, A, \
B, C)
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_INTRIN_PUNPCKLBW_H_ */
| 563 | 16 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/describehow.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2022 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/fmt/itoa.h"
#include "libc/intrin/describeflags.internal.h"
#include "libc/sysv/consts/sig.h"
const char *(DescribeHow)(char buf[12], int how) {
if (how == SIG_BLOCK) return "SIG_BLOCK";
if (how == SIG_UNBLOCK) return "SIG_UNBLOCK";
if (how == SIG_SETMASK) return "SIG_SETMASK";
FormatInt32(buf, how);
return buf;
}
| 2,178 | 30 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/promises.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2022 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/calls/pledge.h"
#include "libc/intrin/promises.internal.h"
// XXX: should be inherited thread local
// see also sys_pledge_linux() which is 100% pure
int __pledge_mode;
unsigned long __promises;
unsigned long __execpromises;
| 2,082 | 27 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/describerlimit.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2021 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/calls/struct/rlimit.h"
#include "libc/dce.h"
#include "libc/intrin/asan.internal.h"
#include "libc/intrin/kprintf.h"
#include "libc/intrin/strace.internal.h"
const char *DescribeRlimit(char buf[64], int rc, const struct rlimit *rlim) {
if (rc == -1) return "n/a";
if (!rlim) return "NULL";
if ((!IsAsan() && kisdangerous(rlim)) ||
(IsAsan() && !__asan_is_valid(rlim, sizeof(*rlim)))) {
ksnprintf(buf, 64, "%p", rlim);
} else {
ksnprintf(buf, 64, "{%'ld, %'ld}", rlim->rlim_cur, rlim->rlim_max);
}
return buf;
}
| 2,389 | 36 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/strsignal.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2020 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/str/str.h"
static char g_strsignal[15];
/**
* Returns string describing signal code.
*
* This returns `"0"` for 0 which is the empty value. Symbolic names
* should be available for signals 1 through 32. If the system supports
* real-time signals, they're returned as `SIGRTMIN+%d`. For all other
* 32-bit signed integer, a plain integer representation is returned.
*
* This function is thread safe when `sig` is a known signal magnum.
* Otherwise a pointer to static memory is returned which is unsafe.
*
* @param sig is signal number which should be in range 1 through 128
* @return string which is valid code describing signal
* @see strsignal_r() for better thread safety
* @see sigaction()
*/
char *strsignal(int sig) {
return strsignal_r(sig, g_strsignal);
}
| 2,634 | 42 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/pmaxub.h | #ifndef COSMOPOLITAN_LIBC_INTRIN_PMAXUB_H_
#define COSMOPOLITAN_LIBC_INTRIN_PMAXUB_H_
#include "libc/intrin/macros.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
void pmaxub(unsigned char[16], const unsigned char[16],
const unsigned char[16]);
#define pmaxub(A, B, C) \
INTRIN_SSEVEX_X_X_X_(pmaxub, SSE2, "pmaxub", INTRIN_COMMUTATIVE, A, B, C)
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_INTRIN_PMAXUB_H_ */
| 492 | 16 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/describestringlist.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2022 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/dce.h"
#include "libc/intrin/asan.internal.h"
#include "libc/intrin/describeflags.internal.h"
#include "libc/intrin/kprintf.h"
#define N 300
#define append(...) o += ksnprintf(buf + o, N - o, __VA_ARGS__)
const char *(DescribeStringList)(char buf[N], char *const list[]) {
int i, o = 0;
if (!list) return "NULL";
if (IsAsan() && !__asan_is_valid_strlist(list)) {
ksnprintf(buf, N, "%p", list);
return buf;
}
append("{");
i = 0;
do {
if (i++) append(", ");
append("%#s", *list);
} while (*list++);
append("}");
return buf;
}
| 2,417 | 47 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/strerrno.greg.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2021 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/fmt/magnumstrs.internal.h"
/**
* Converts errno value to symbolic name.
* @return non-null rodata string or null if not found
*/
privileged char *_strerrno(int x) {
if (x) {
return GetMagnumStr(kErrnoNames, x);
} else {
return 0;
}
}
| 2,103 | 32 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/psrld.h | #ifndef COSMOPOLITAN_LIBC_INTRIN_PSRLD_H_
#define COSMOPOLITAN_LIBC_INTRIN_PSRLD_H_
#include "libc/intrin/macros.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
void psrld(uint32_t[4], const uint32_t[4], unsigned char);
void psrldv(uint32_t[4], const uint32_t[4], const uint64_t[2]);
#define psrld(A, B, I) INTRIN_SSEVEX_X_I_(psrld, SSE2, "psrld", A, B, I)
#define psrldv(A, B, C) \
INTRIN_SSEVEX_X_X_X_(psrldv, SSE2, "psrld", INTRIN_NONCOMMUTATIVE, A, B, C)
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_INTRIN_PSRLD_H_ */
| 593 | 17 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/mmi.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2020 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/macros.internal.h"
#include "libc/runtime/memtrack.internal.h"
#include "libc/thread/thread.h"
#ifdef __x86_64__
STATIC_YOINK("_init__mmi");
#endif
struct MemoryIntervals _mmi;
pthread_mutex_t __mmi_lock_obj; // recursive :'(
| 2,080 | 29 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/clearenv.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2020 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/intrin/strace.internal.h"
#include "libc/runtime/runtime.h"
/**
* Removes all environment variables.
*
* @return 0 on success, or nonzero on error
*/
int clearenv(void) {
environ = 0;
STRACE("clearenv() â 0");
return 0;
}
| 2,086 | 32 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/__pid_exec.S | /*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-â
âvi: set et ft=asm ts=8 sw=8 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2020 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/macros.internal.h"
#include "libc/notice.inc"
// __pid_exec is __pid that isn't updated on fork()
.initbss 301,_init__pid_exec
__pid_exec:
.quad 0
.endobj __pid_exec,globl
.previous
.init.start 301,_init__pid_exec
mov __pid(%rip),%rax
stosq
.init.end 301,_init__pid_exec
| 2,133 | 34 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/waitforsingleobject.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2022 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/calls/syscall_support-nt.internal.h"
#include "libc/intrin/strace.internal.h"
#include "libc/nt/synchronization.h"
#include "libc/nt/thunk/msabi.h"
__msabi extern typeof(WaitForSingleObject) *const __imp_WaitForSingleObject;
/**
* Waits for handle to change status.
* @note this wrapper takes care of ABI, STRACE(), and __winerr()
*/
uint32_t WaitForSingleObject(int64_t hHandle, uint32_t dwMilliseconds) {
uint32_t rc;
rc = __imp_WaitForSingleObject(hHandle, dwMilliseconds);
if (rc == -1u) __winerr();
POLLTRACE("WaitForSingleObject(%ld, %'d) â %d% m", hHandle, dwMilliseconds,
rc);
return rc;
}
| 2,478 | 38 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/pminsw.h | #ifndef COSMOPOLITAN_LIBC_INTRIN_PMINSW_H_
#define COSMOPOLITAN_LIBC_INTRIN_PMINSW_H_
#include "libc/intrin/macros.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
void pminsw(int16_t[8], const int16_t[8], const int16_t[8]);
#define pminsw(A, B, C) \
INTRIN_SSEVEX_X_X_X_(pminsw, SSE2, "pminsw", INTRIN_COMMUTATIVE, A, B, C)
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_INTRIN_PMINSW_H_ */
| 459 | 15 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/isloopbackip.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2021 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "net/http/ip.h"
/**
* Returns true if IPv4 address is used for localhost.
*/
bool IsLoopbackIp(uint32_t x) {
return (x >> 24) == 127; /* 127.0.0.0/8 */
}
| 2,004 | 27 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/pmulhuw.h | #ifndef COSMOPOLITAN_LIBC_INTRIN_PMULHUW_H_
#define COSMOPOLITAN_LIBC_INTRIN_PMULHUW_H_
#include "libc/intrin/macros.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
void pmulhuw(uint16_t[8], const uint16_t[8], const uint16_t[8]);
#define pmulhuw(A, B, C) \
INTRIN_SSEVEX_X_X_X_(pmulhuw, SSE2, "pmulhuw", INTRIN_COMMUTATIVE, A, B, C)
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_INTRIN_PMULHUW_H_ */
| 469 | 15 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/strerdoc.greg.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2021 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/fmt/fmt.h"
#include "libc/fmt/magnumstrs.internal.h"
/**
* Converts errno value to descriptive sentence.
* @return non-null rodata string or null if not found
*/
privileged char *_strerdoc(int x) {
if (x) {
return GetMagnumStr(kErrnoDocs, x);
} else {
return 0;
}
}
| 2,135 | 33 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/ftrace.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2021 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/atomic.h"
#include "libc/runtime/runtime.h"
/**
* Function tracing enabled state.
*
* After ftrace_install() has been called, the logging of C function
* calls may be controlled by changing this variable. If `__ftrace` is
* greater than zero, functions are logged. Otherwise, they aren't.
*
* By convention, functions wishing to disable function tracing for a
* short time period should say:
*
* void foo() {
* ftrace_enabled(-1);
* bar();
* ftrace_enabled(+1);
* }
*
* This way you still have some flexibility to force function tracing,
* by setting `__ftrace` to a higher number like `2` or `200`. Even
* though under normal circumstances, `__ftrace` should only be either
* zero or one.
*/
int __ftrace;
| 2,605 | 44 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/asancodes.h | #ifndef COSMOPOLITAN_LIBC_INTRIN_ASANCODES_H_
#define COSMOPOLITAN_LIBC_INTRIN_ASANCODES_H_
#define kAsanScale 3
#define kAsanMagic 0x7fff8000
#define kAsanNullPage -1 /* â
0xff */
#define kAsanProtected -2 /* P 0xfe */
#define kAsanHeapFree -3 /* F 0xfd */
#define kAsanHeapRelocated -4 /* R 0xfc */
#define kAsanAllocaOverrun -5 /* ð 0xfb */
#define kAsanHeapUnderrun -6 /* U 0xfa */
#define kAsanHeapOverrun -7 /* O 0xf9 */
#define kAsanStackUnscoped -8 /* s 0xf8 */
#define kAsanStackOverflow -9 /* ! 0xf7 */
#define kAsanGlobalOrder -10 /* I 0xf6 */
#define kAsanStackFree -11 /* r 0xf5 */
#define kAsanStackPartial -12 /* p 0xf4 */
#define kAsanStackOverrun -13 /* o 0xf3 */
#define kAsanStackMiddle -14 /* m 0xf2 */
#define kAsanStackUnderrun -15 /* u 0xf1 */
#define kAsanAllocaUnderrun -16 /* ð 0xf0 */
#define kAsanUnmapped -17 /* M 0xef */
#define kAsanGlobalRedzone -18 /* G 0xee */
#define kAsanGlobalGone -19 /* ðº 0xed */
#define kAsanGlobalUnderrun -20 /* μ 0xec */
#define kAsanGlobalOverrun -21 /* Ω 0xeb */
#endif /* COSMOPOLITAN_LIBC_INTRIN_ASANCODES_H_ */
| 1,172 | 29 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/shufps.h | #ifndef COSMOPOLITAN_LIBC_INTRIN_SHUFPS_H_
#define COSMOPOLITAN_LIBC_INTRIN_SHUFPS_H_
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
void shufps(float[4], const float[4], const float[4], uint8_t);
#if !defined(__STRICT_ANSI__) && !defined(__chibicc__)
typedef float shufps_t _Vector_size(16) forcealign(16) mayalias;
shufps_t shufpsjt(shufps_t, shufps_t);
#define shufps(C, B, A, I) \
do { \
if (__builtin_expect(X86_NEED(SSE) && X86_HAVE(SSSE3), 1)) { \
shufps_t *Xmm0 = (void *)(C); \
const shufps_t *Xmm1 = (const shufps_t *)(B); \
const shufps_t *Xmm2 = (const shufps_t *)(A); \
if (__builtin_constant_p(I)) { \
if (!X86_NEED(AVX)) { \
asm("shufps\t%2,%1,%0" \
: "=x"(*Xmm0) \
: "x"(*Xmm2), "i"(I), "0"(*Xmm1)); \
} else { \
asm("vshufps\t%3,%2,%1,%0" \
: "=x"(*Xmm0) \
: "x"(*Xmm1), "x"(*Xmm2), "i"(I)); \
} \
} else { \
uint8_t Vimm = (I); \
typeof(shufpsjt) *Fn; \
Fn = (typeof(shufpsjt) *)((uintptr_t)&shufpsjt + Vimm * 8); \
*Xmm0 = Fn(*Xmm1, *Xmm2); \
} \
} else { \
shufps(C, B, A, I); \
} \
} while (0)
#endif
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_INTRIN_SHUFPS_H_ */
| 2,258 | 42 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/punpcklqdq.h | #ifndef COSMOPOLITAN_LIBC_INTRIN_PUNPCKLQDQ_H_
#define COSMOPOLITAN_LIBC_INTRIN_PUNPCKLQDQ_H_
#include "libc/intrin/macros.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
void punpcklqdq(uint64_t[2], const uint64_t[2], const uint64_t[2]);
#define punpcklqdq(A, B, C) \
INTRIN_SSEVEX_X_X_X_(punpcklqdq, SSE2, "punpcklqdq", INTRIN_NONCOMMUTATIVE, \
A, B, C)
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_INTRIN_PUNPCKLQDQ_H_ */
| 568 | 16 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/fenv.S | /*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-â
âvi: set et ft=asm ts=8 tw=8 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â â
â Musl Libc â
â Copyright © 2005-2014 Rich Felker, et al. â
â â
â Permission is hereby granted, free of charge, to any person obtaining â
â a copy of this software and associated documentation files (the â
â "Software"), to deal in the Software without restriction, including â
â without limitation the rights to use, copy, modify, merge, publish, â
â distribute, sublicense, and/or sell copies of the Software, and to â
â permit persons to whom the Software is furnished to do so, subject to â
â the following conditions: â
â â
â The above copyright notice and this permission notice shall be â
â included in all copies or substantial portions of the Software. â
â â
â THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, â
â EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF â
â MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. â
â IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY â
â CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, â
â TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE â
â SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. â
â â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/macros.internal.h"
// Clears floating point exception status, e.g.
//
// feclearexcept(FE_ALL_EXCEPT);
//
// @param excepts may bitwise-or the following:
// - `FE_INVALID`
// - `FE_DIVBYZERO`
// - `FE_OVERFLOW`
// - `FE_UNDERFLOW`
// - `FE_INEXACT`
// - `FE_ALL_EXCEPT` (all of the above)
// @return 0 on success, or nonzero on error
feclearexcept:
#ifdef __x86_64__
// maintain exceptions in the sse mxcsr, clear x87 exceptions
mov %edi,%ecx
and $0x3f,%ecx
fnstsw %ax
test %eax,%ecx
jz 1f
fnclex
1: stmxcsr -8(%rsp)
and $0x3f,%eax
or %eax,-8(%rsp)
test %ecx,-8(%rsp)
jz 1f
not %ecx
and %ecx,-8(%rsp)
ldmxcsr -8(%rsp)
1: xor %eax,%eax
ret
#elif defined(__aarch64__)
and w0,w0,#0x1f
mrs x1,fpsr
bic w1,w1,w0
msr fpsr,x1
mov w0,#0
ret
#else
#error "unsupported architecture"
#endif
.endfn feclearexcept,globl
// Checks for floating point exception.
//
// This function may be used to check the thread-local
// floating-point exception status bits, e.g.
//
// feclearexcept(FE_ALL_EXCEPT);
// volatile double x = 0, y = 1 / x;
// assert(fetestexcept(FE_ALL_EXCEPT) == FE_DIVBYZERO);
//
// @param excepts may bitwise-or the following:
// - `FE_INVALID`
// - `FE_DIVBYZERO`
// - `FE_OVERFLOW`
// - `FE_UNDERFLOW`
// - `FE_INEXACT`
// - `FE_ALL_EXCEPT` (all of the above)
// @return mask of which exception status codes are currently set,
// or zero if there aren't any floating point exceptions
fetestexcept:
#ifdef __x86_64__
and $0x3f,%edi
push %rax
stmxcsr (%rsp)
pop %rsi
fnstsw %ax
or %esi,%eax
and %edi,%eax
ret
#elif defined(__aarch64__)
and w0,w0,#0x1f
mrs x1,fpsr
and w0,w0,w1
ret
#endif
.endfn fetestexcept,globl
feraiseexcept:
#ifdef __x86_64__
and $0x3f,%edi
stmxcsr -8(%rsp)
or %edi,-8(%rsp)
ldmxcsr -8(%rsp)
xor %eax,%eax
ret
#elif defined(__aarch64__)
and w0,w0,#0x1f
mrs x1,fpsr
orr w1,w1,w0
msr fpsr,x1
mov w0,#0
ret
#endif
.endfn feraiseexcept,globl
__fesetround:
#ifdef __x86_64__
push %rax
xor %eax,%eax
mov %edi,%ecx
fnstcw (%rsp)
andb $0xf3,1(%rsp)
or %ch,1(%rsp)
fldcw (%rsp)
stmxcsr (%rsp)
shl $3,%ch
andb $0x9f,1(%rsp)
or %ch,1(%rsp)
ldmxcsr (%rsp)
pop %rcx
ret
#elif defined(__aarch64__)
mrs x1,fpcr
bic w1,w1,#0xc00000
orr w1,w1,w0
msr fpcr,x1
mov w0,#0
ret
#endif
.endfn __fesetround,globl,hidden
fegetround:
#ifdef __x86_64__
push %rax
stmxcsr (%rsp)
pop %rax
shr $3,%eax
and $0xc00,%eax
ret
#elif defined(__aarch64__)
mrs x0,fpcr
and w0,w0,#0xc00000
ret
#endif
.endfn fegetround,globl
fegetenv:
#ifdef __x86_64__
xor %eax,%eax
fnstenv (%rdi)
stmxcsr 28(%rdi)
ret
#elif defined(__aarch64__)
mrs x1,fpcr
mrs x2,fpsr
stp w1,w2,[x0]
mov w0,#0
ret
#endif
.endfn fegetenv,globl
fesetenv:
#ifdef __x86_64__
xor %eax,%eax
inc %rdi
jz 1f
fldenv -1(%rdi)
ldmxcsr 27(%rdi)
ret
1: push %rax
push %rax
pushq $0xffff
pushq $0x37f
fldenv (%rsp)
pushq $0x1f80
ldmxcsr (%rsp)
add $40,%rsp
ret
#elif defined(__aarch64__)
mov x1,#0
mov x2,#0
cmn x0,#1
b.eq 1f
ldp w1,w2,[x0]
1: msr fpcr,x1
msr fpsr,x2
mov w0,#0
ret
#endif
.endfn fesetenv,globl
| 5,715 | 212 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/sigdelset.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2020 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/calls/struct/sigset.h"
#include "libc/sysv/errfuns.h"
/**
* Removes signal from set.
*
* @return 0 on success, or -1 w/ errno
* @raises EINVAL if `1 ⤠sig ⤠NSIG` isn't the case
* @asyncsignalsafe
*/
int sigdelset(sigset_t *set, int sig) {
_Static_assert(NSIG == sizeof(set->__bits) * CHAR_BIT, "");
_Static_assert(sizeof(set->__bits[0]) * CHAR_BIT == 64, "");
if (1 <= sig && sig <= NSIG) {
set->__bits[(sig - 1) >> 6] &= ~(1ull << ((sig - 1) & 63));
return 0;
} else {
return einval();
}
}
| 2,376 | 39 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/pabsw.h | #ifndef COSMOPOLITAN_LIBC_INTRIN_PABSW_H_
#define COSMOPOLITAN_LIBC_INTRIN_PABSW_H_
#include "libc/intrin/macros.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
void pabsw(uint16_t[8], const int16_t[8]);
#define pabsw(A, B) INTRIN_SSEVEX_X_X_(pabsw, SSSE3, "pabsw", A, B)
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_INTRIN_PABSW_H_ */
| 404 | 14 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/describeiovec.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2021 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/calls/struct/iovec.h"
#include "libc/calls/struct/iovec.internal.h"
#include "libc/dce.h"
#include "libc/intrin/asan.internal.h"
#include "libc/intrin/kprintf.h"
#include "libc/limits.h"
#include "libc/macros.internal.h"
#define N 300
#define append(...) o += ksnprintf(buf + o, N - o, __VA_ARGS__)
const char *(DescribeIovec)(char buf[N], ssize_t rc, const struct iovec *iov,
int iovlen) {
const char *d;
int i, j, o = 0;
if (!iov) return "NULL";
if (rc == -1) return "n/a";
if (rc == -2) rc = SSIZE_MAX;
if ((!IsAsan() && kisdangerous(iov)) ||
(IsAsan() && !__asan_is_valid(iov, sizeof(*iov) * iovlen))) {
ksnprintf(buf, N, "%p", iov);
return buf;
}
append("{");
for (i = 0; rc && i < iovlen; ++i) {
if (iov[i].iov_len < rc) {
j = iov[i].iov_len;
rc -= iov[i].iov_len;
} else {
j = rc;
rc = 0;
}
if (j > 40) {
j = 40;
d = "...";
} else {
d = "";
}
append("%s{%#.*hhs%s, %'zu}", i ? ", " : "", j, iov[i].iov_base, d,
iov[i].iov_len);
}
append("}");
return buf;
}
| 2,970 | 69 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/cxaatexit.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2020 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/assert.h"
#include "libc/intrin/bsr.h"
#include "libc/intrin/cxaatexit.internal.h"
#include "libc/intrin/strace.internal.h"
#include "libc/intrin/weaken.h"
#include "libc/macros.internal.h"
#include "libc/mem/mem.h"
#include "libc/runtime/runtime.h"
#include "libc/sysv/errfuns.h"
STATIC_YOINK("__cxa_finalize");
/**
* Adds global destructor.
*
* Destructors are called in reverse order. They won't be called if the
* program aborts or _exit() is called. Invocations of this function are
* usually generated by the C++ compiler. Behavior is limitless if some
* other module has linked calloc().
*
* @param fp is void(*)(T)
* @param arg is passed to callback
* @param pred can be non-null for things like dso modules
* @return 0 on success or nonzero w/ errno
* @note folks have forked libc in past just to unbloat atexit()
*/
noasan int __cxa_atexit(void *fp, void *arg, void *pred) {
/* asan runtime depends on this function */
unsigned i;
struct CxaAtexitBlock *b, *b2;
_Static_assert(ATEXIT_MAX == CHAR_BIT * sizeof(b->mask), "");
__cxa_lock();
b = __cxa_blocks.p;
if (!b) b = __cxa_blocks.p = &__cxa_blocks.root;
if (!~b->mask) {
if (_weaken(calloc) &&
(b2 = _weaken(calloc)(1, sizeof(struct CxaAtexitBlock)))) {
b2->next = b;
__cxa_blocks.p = b = b2;
} else {
__cxa_unlock();
return enomem();
}
}
i = _bsr(~b->mask);
_unassert(i < ARRAYLEN(b->p));
b->mask |= 1u << i;
b->p[i].fp = fp;
b->p[i].arg = arg;
b->p[i].pred = pred;
__cxa_unlock();
return 0;
}
| 3,402 | 72 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/pminub.h | #ifndef COSMOPOLITAN_LIBC_INTRIN_PMINUB_H_
#define COSMOPOLITAN_LIBC_INTRIN_PMINUB_H_
#include "libc/intrin/macros.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
void pminub(unsigned char[16], const unsigned char[16],
const unsigned char[16]);
#define pminub(A, B, C) \
INTRIN_SSEVEX_X_X_X_(pminub, SSE2, "pminub", INTRIN_COMMUTATIVE, A, B, C)
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_INTRIN_PMINUB_H_ */
| 492 | 16 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/memmove.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2021 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/assert.h"
#include "libc/dce.h"
#include "libc/intrin/asan.internal.h"
#include "libc/nexgen32e/nexgen32e.h"
#include "libc/nexgen32e/x86feature.h"
#include "libc/str/str.h"
#ifndef __aarch64__
typedef long long xmm_t __attribute__((__vector_size__(16), __aligned__(1)));
typedef long long xmm_a __attribute__((__vector_size__(16), __aligned__(16)));
/**
* Copies memory.
*
* memmove n=0 661 picoseconds
* memmove n=1 661 ps/byte 1,476 mb/s
* memmove n=2 330 ps/byte 2,952 mb/s
* memmove n=3 330 ps/byte 2,952 mb/s
* memmove n=4 165 ps/byte 5,904 mb/s
* memmove n=7 141 ps/byte 6,888 mb/s
* memmove n=8 82 ps/byte 11 GB/s
* memmove n=15 44 ps/byte 21 GB/s
* memmove n=16 41 ps/byte 23 GB/s
* memmove n=31 32 ps/byte 29 GB/s
* memmove n=32 31 ps/byte 30 GB/s
* memmove n=63 21 ps/byte 45 GB/s
* memmove n=64 15 ps/byte 61 GB/s
* memmove n=127 13 ps/byte 73 GB/s
* memmove n=128 31 ps/byte 30 GB/s
* memmove n=255 20 ps/byte 45 GB/s
* memmove n=256 19 ps/byte 49 GB/s
* memmove n=511 16 ps/byte 56 GB/s
* memmove n=512 17 ps/byte 54 GB/s
* memmove n=1023 18 ps/byte 52 GB/s
* memmove n=1024 13 ps/byte 72 GB/s
* memmove n=2047 9 ps/byte 96 GB/s
* memmove n=2048 9 ps/byte 98 GB/s
* memmove n=4095 8 ps/byte 112 GB/s
* memmove n=4096 8 ps/byte 109 GB/s
* memmove n=8191 7 ps/byte 124 GB/s
* memmove n=8192 7 ps/byte 125 GB/s
* memmove n=16383 7 ps/byte 134 GB/s
* memmove n=16384 7 ps/byte 134 GB/s
* memmove n=32767 13 ps/byte 72 GB/s
* memmove n=32768 13 ps/byte 72 GB/s
* memmove n=65535 13 ps/byte 68 GB/s
* memmove n=65536 14 ps/byte 67 GB/s
* memmove n=131071 14 ps/byte 65 GB/s
* memmove n=131072 14 ps/byte 64 GB/s
* memmove n=262143 15 ps/byte 63 GB/s
* memmove n=262144 15 ps/byte 63 GB/s
* memmove n=524287 15 ps/byte 61 GB/s
* memmove n=524288 15 ps/byte 61 GB/s
* memmove n=1048575 15 ps/byte 61 GB/s
* memmove n=1048576 15 ps/byte 61 GB/s
* memmove n=2097151 19 ps/byte 48 GB/s
* memmove n=2097152 27 ps/byte 35 GB/s
* memmove n=4194303 28 ps/byte 33 GB/s
* memmove n=4194304 28 ps/byte 33 GB/s
* memmove n=8388607 28 ps/byte 33 GB/s
* memmove n=8388608 28 ps/byte 33 GB/s
*
* DST and SRC may overlap.
*
* @param dst is destination
* @param src is memory to copy
* @param n is number of bytes to copy
* @return dst
* @asyncsignalsafe
*/
void *memmove(void *dst, const void *src, size_t n) {
char *d;
size_t i;
const char *s;
uint64_t a, b;
xmm_t v, w, x, y, V, W, X, Y, wut;
d = dst;
s = src;
#ifdef __x86__
if (IsTiny()) {
uint16_t w1, w2;
uint32_t l1, l2;
uint64_t q1, q2;
if (n <= 16) {
if (n >= 8) {
__builtin_memcpy(&q1, s, 8);
__builtin_memcpy(&q2, s + n - 8, 8);
__builtin_memcpy(d, &q1, 8);
__builtin_memcpy(d + n - 8, &q2, 8);
} else if (n >= 4) {
__builtin_memcpy(&l1, s, 4);
__builtin_memcpy(&l2, s + n - 4, 4);
__builtin_memcpy(d, &l1, 4);
__builtin_memcpy(d + n - 4, &l2, 4);
} else if (n >= 2) {
__builtin_memcpy(&w1, s, 2);
__builtin_memcpy(&w2, s + n - 2, 2);
__builtin_memcpy(d, &w1, 2);
__builtin_memcpy(d + n - 2, &w2, 2);
} else if (n) {
*d = *s;
}
} else {
if (d <= s) {
asm("rep movsb"
: "+D"(d), "+S"(s), "+c"(n), "=m"(*(char(*)[n])dst)
: "m"(*(char(*)[n])src));
} else {
d += n - 1;
s += n - 1;
asm("std\n\t"
"rep movsb\n\t"
"cld"
: "+D"(d), "+S"(s), "+c"(n), "=m"(*(char(*)[n])dst)
: "m"(*(char(*)[n])src));
}
}
return dst;
}
#endif
switch (n) {
case 0:
return d;
case 1:
*d = *s;
return d;
case 2:
__builtin_memcpy(&a, s, 2);
__builtin_memcpy(d, &a, 2);
return d;
case 3:
__builtin_memcpy(&a, s, 2);
__builtin_memcpy(&b, s + 1, 2);
__builtin_memcpy(d, &a, 2);
__builtin_memcpy(d + 1, &b, 2);
return d;
case 4:
__builtin_memcpy(&a, s, 4);
__builtin_memcpy(d, &a, 4);
return d;
case 5 ... 7:
__builtin_memcpy(&a, s, 4);
__builtin_memcpy(&b, s + n - 4, 4);
__builtin_memcpy(d, &a, 4);
__builtin_memcpy(d + n - 4, &b, 4);
return d;
case 8:
__builtin_memcpy(&a, s, 8);
__builtin_memcpy(d, &a, 8);
return d;
case 9 ... 15:
__builtin_memcpy(&a, s, 8);
__builtin_memcpy(&b, s + n - 8, 8);
__builtin_memcpy(d, &a, 8);
__builtin_memcpy(d + n - 8, &b, 8);
return d;
case 16:
*(xmm_t *)d = *(xmm_t *)s;
return d;
case 17 ... 32:
v = *(xmm_t *)s;
w = *(xmm_t *)(s + n - 16);
*(xmm_t *)d = v;
*(xmm_t *)(d + n - 16) = w;
return d;
case 33 ... 64:
v = *(xmm_t *)s;
w = *(xmm_t *)(s + 16);
x = *(xmm_t *)(s + n - 32);
y = *(xmm_t *)(s + n - 16);
*(xmm_t *)d = v;
*(xmm_t *)(d + 16) = w;
*(xmm_t *)(d + n - 32) = x;
*(xmm_t *)(d + n - 16) = y;
return d;
case 65 ... 127:
v = *(xmm_t *)s;
w = *(xmm_t *)(s + 16);
x = *(xmm_t *)(s + 32);
y = *(xmm_t *)(s + 48);
V = *(xmm_t *)(s + n - 64);
W = *(xmm_t *)(s + n - 48);
X = *(xmm_t *)(s + n - 32);
Y = *(xmm_t *)(s + n - 16);
*(xmm_t *)d = v;
*(xmm_t *)(d + 16) = w;
*(xmm_t *)(d + 32) = x;
*(xmm_t *)(d + 48) = y;
*(xmm_t *)(d + n - 64) = V;
*(xmm_t *)(d + n - 48) = W;
*(xmm_t *)(d + n - 32) = X;
*(xmm_t *)(d + n - 16) = Y;
return d;
default:
if (d == s) return d;
#ifdef __x86__
if (n < kHalfCache3 || !kHalfCache3) {
if (d > s) {
if (IsAsan() || n < 900 || !X86_HAVE(ERMS)) {
do {
n -= 32;
v = *(const xmm_t *)(s + n);
w = *(const xmm_t *)(s + n + 16);
*(xmm_t *)(d + n) = v;
*(xmm_t *)(d + n + 16) = w;
} while (n >= 32);
} else {
if (IsAsan()) __asan_verify(d, n);
if (IsAsan()) __asan_verify(s, n);
asm("std\n\t"
"rep movsb\n\t"
"cld"
: "=D"(d), "=S"(s), "+c"(n), "=m"(*(char(*)[n])d)
: "0"(d + n - 1), "1"(s + n - 1), "m"(*(char(*)[n])s));
return dst;
}
} else {
if (IsAsan() || n < 900 || !X86_HAVE(ERMS)) {
i = 0;
do {
v = *(const xmm_t *)(s + i);
w = *(const xmm_t *)(s + i + 16);
*(xmm_t *)(d + i) = v;
*(xmm_t *)(d + i + 16) = w;
} while ((i += 32) + 32 <= n);
d += i;
s += i;
n -= i;
} else {
if (IsAsan()) __asan_verify(d, n);
if (IsAsan()) __asan_verify(s, n);
asm("rep movsb"
: "+D"(d), "+S"(s), "+c"(n), "=m"(*(char(*)[n])d)
: "m"(*(char(*)[n])s));
return dst;
}
}
} else {
if (d > s) {
while ((uintptr_t)(d + n) & 15) {
--n;
d[n] = s[n];
}
do {
n -= 32;
v = *(const xmm_t *)(s + n);
w = *(const xmm_t *)(s + n + 16);
__builtin_ia32_movntdq((xmm_a *)(d + n), v);
__builtin_ia32_movntdq((xmm_a *)(d + n + 16), w);
} while (n >= 32);
} else {
i = 0;
while ((uintptr_t)(d + i) & 15) {
d[i] = s[i];
++i;
}
do {
v = *(const xmm_t *)(s + i);
w = *(const xmm_t *)(s + i + 16);
__builtin_ia32_movntdq((xmm_a *)(d + i), v);
__builtin_ia32_movntdq((xmm_a *)(d + i + 16), w);
} while ((i += 32) + 32 <= n);
d += i;
s += i;
n -= i;
}
asm("sfence");
}
#else
if (d > s) {
do {
n -= 32;
v = *(const xmm_t *)(s + n);
w = *(const xmm_t *)(s + n + 16);
*(xmm_t *)(d + n) = v;
*(xmm_t *)(d + n + 16) = w;
} while (n >= 32);
} else {
i = 0;
do {
v = *(const xmm_t *)(s + i);
w = *(const xmm_t *)(s + i + 16);
*(xmm_t *)(d + i) = v;
*(xmm_t *)(d + i + 16) = w;
} while ((i += 32) + 32 <= n);
d += i;
s += i;
n -= i;
}
#endif
if (n) {
if (n >= 16) {
v = *(const xmm_t *)s;
w = *(const xmm_t *)(s + n - 16);
*(xmm_t *)d = v;
*(xmm_t *)(d + n - 16) = w;
} else if (n >= 8) {
__builtin_memcpy(&a, s, 8);
__builtin_memcpy(&b, s + n - 8, 8);
__builtin_memcpy(d, &a, 8);
__builtin_memcpy(d + n - 8, &b, 8);
} else if (n >= 4) {
__builtin_memcpy(&a, s, 4);
__builtin_memcpy(&b, s + n - 4, 4);
__builtin_memcpy(d, &a, 4);
__builtin_memcpy(d + n - 4, &b, 4);
} else if (n >= 2) {
__builtin_memcpy(&a, s, 2);
__builtin_memcpy(&b, s + n - 2, 2);
__builtin_memcpy(d, &a, 2);
__builtin_memcpy(d + n - 2, &b, 2);
} else {
*d = *s;
}
}
return dst;
}
}
__strong_reference(memmove, memcpy);
#endif /* __aarch64__ */
| 12,943 | 348 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/sigisprecious.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2022 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/calls/struct/sigset.h"
#include "libc/sysv/consts/sig.h"
/**
* Returns true if you're not authorized to block this signal.
*/
int sigisprecious(int sig) {
return 0
#define M(x) || sig == x
#include "libc/intrin/sigisprecious.inc"
;
}
| 2,096 | 31 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/rdgsbase.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2022 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/intrin/fsgsbase.h"
#ifdef __x86_64__
/**
* Reads `%gs` base address.
*
* @see _have_fsgsbase()
*/
void *(_rdgsbase)(void) {
return _rdgsbase();
}
#endif /* __x86_64__ */
| 2,029 | 32 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/pthread_spin_unlock.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2022 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/intrin/atomic.h"
#include "libc/intrin/strace.internal.h"
#include "libc/thread/thread.h"
/**
* Releases spin lock.
*
* Calling this function when the lock isn't held by the calling thread
* has undefined behavior.
*
* @return 0 on success, or errno on error
* @see pthread_spin_lock
*/
errno_t(pthread_spin_unlock)(pthread_spinlock_t *spin) {
LOCKTRACE("pthread_spin_unlock(%t)", spin);
atomic_store_explicit(&spin->_lock, 0, memory_order_release);
return 0;
}
| 2,328 | 37 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/describentpipeopenflags.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2022 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/intrin/describeflags.internal.h"
#include "libc/macros.internal.h"
#include "libc/nt/enum/filemapflags.h"
#include "libc/nt/ipc.h"
static const struct DescribeFlags kPipeOpenFlags[] = {
{kNtPipeAccessDuplex, "Duplex"}, // 0x00000003
{kNtPipeAccessOutbound, "Outbound"}, // 0x00000002
{kNtPipeAccessInbound, "Inbound"}, // 0x00000001
};
const char *(DescribeNtPipeOpenFlags)(char buf[64], uint32_t x) {
return DescribeFlags(buf, 64, kPipeOpenFlags, ARRAYLEN(kPipeOpenFlags),
"kNtPipeAccess", x);
}
| 2,396 | 34 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/psubsb.h | #ifndef COSMOPOLITAN_LIBC_INTRIN_PSUBSB_H_
#define COSMOPOLITAN_LIBC_INTRIN_PSUBSB_H_
#include "libc/intrin/macros.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
void psubsb(int8_t[16], const int8_t[16], const int8_t[16]);
#define psubsb(A, B, C) \
INTRIN_SSEVEX_X_X_X_(psubsb, SSE2, "psubsb", INTRIN_NONCOMMUTATIVE, A, B, C)
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_INTRIN_PSUBSB_H_ */
| 462 | 15 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/describebacktrace.internal.h | #ifndef COSMOPOLITAN_LIBC_INTRIN_DESCRIBEBACKTRACE_INTERNAL_H_
#define COSMOPOLITAN_LIBC_INTRIN_DESCRIBEBACKTRACE_INTERNAL_H_
#include "libc/mem/alloca.h"
#include "libc/nexgen32e/stackframe.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
const char *DescribeBacktrace(char[64], struct StackFrame *);
#define DescribeBacktrace(x) DescribeBacktrace(alloca(64), x)
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_INTRIN_DESCRIBEBACKTRACE_INTERNAL_H_ */
| 515 | 14 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/g_fds.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2020 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/calls/internal.h"
#include "libc/calls/state.internal.h"
#include "libc/intrin/atomic.h"
#include "libc/intrin/extend.internal.h"
#include "libc/intrin/pushpop.h"
#include "libc/intrin/weaken.h"
#include "libc/macros.internal.h"
#include "libc/nt/runtime.h"
#include "libc/runtime/memtrack.internal.h"
#include "libc/str/str.h"
#include "libc/sysv/consts/map.h"
#include "libc/sysv/consts/o.h"
#include "libc/thread/thread.h"
#ifdef __x86_64__
STATIC_YOINK("_init_g_fds");
#endif
struct Fds g_fds;
static struct Fd g_fds_static[8];
static textwindows dontinline void SetupWinStd(struct Fds *fds, int i, int x) {
int64_t h;
h = GetStdHandle(x);
if (!h || h == -1) return;
fds->p[i].kind = pushpop(kFdFile);
fds->p[i].handle = h;
atomic_store_explicit(&fds->f, i + 1, memory_order_relaxed);
}
textstartup void InitializeFileDescriptors(void) {
struct Fds *fds;
__fds_lock_obj._type = PTHREAD_MUTEX_RECURSIVE;
fds = VEIL("r", &g_fds);
fds->n = 4;
atomic_store_explicit(&fds->f, 3, memory_order_relaxed);
if (_weaken(_extend)) {
fds->p = fds->e = (void *)kMemtrackFdsStart;
fds->e =
_weaken(_extend)(fds->p, fds->n * sizeof(*fds->p), fds->e, MAP_PRIVATE,
kMemtrackFdsStart + kMemtrackFdsSize);
} else {
fds->p = g_fds_static;
fds->e = g_fds_static + ARRAYLEN(g_fds_static);
}
if (IsMetal()) {
extern const char vga_console[];
fds->f = 3;
if (_weaken(vga_console)) {
fds->p[0].kind = pushpop(kFdConsole);
fds->p[1].kind = pushpop(kFdConsole);
fds->p[2].kind = pushpop(kFdConsole);
} else {
fds->p[0].kind = pushpop(kFdSerial);
fds->p[1].kind = pushpop(kFdSerial);
fds->p[2].kind = pushpop(kFdSerial);
}
fds->p[0].handle = VEIL("r", 0x3F8ull);
fds->p[1].handle = VEIL("r", 0x3F8ull);
fds->p[2].handle = VEIL("r", 0x3F8ull);
} else if (IsWindows()) {
SetupWinStd(fds, 0, kNtStdInputHandle);
SetupWinStd(fds, 1, kNtStdOutputHandle);
SetupWinStd(fds, 2, kNtStdErrorHandle);
}
fds->p[1].flags = O_WRONLY | O_APPEND;
fds->p[2].flags = O_WRONLY | O_APPEND;
}
| 3,969 | 87 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/cxablocks.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2021 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/intrin/cxaatexit.internal.h"
struct CxaAtexitBlocks __cxa_blocks;
| 1,918 | 22 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/packusdw.h | #ifndef COSMOPOLITAN_LIBC_INTRIN_PACKUSDW_H_
#define COSMOPOLITAN_LIBC_INTRIN_PACKUSDW_H_
#include "libc/intrin/macros.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
void packusdw(uint16_t[8], const int32_t[4], const int32_t[4]);
#define packusdw(A, B, C) \
INTRIN_SSEVEX_X_X_X_(packusdw, SSE4_1, "packusdw", INTRIN_NONCOMMUTATIVE, A, \
B, C)
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_INTRIN_PACKUSDW_H_ */
| 557 | 16 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/psraw.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2020 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/intrin/psraw.h"
/**
* Divides shorts by two power.
*
* @note c needs to be a literal, asmconstexpr, or linkconstsym
* @note arithmetic shift right will sign extend negatives
* @mayalias
*/
void(psraw)(int16_t a[8], const int16_t b[8], unsigned char k) {
unsigned i;
if (k > 15) k = 15;
for (i = 0; i < 8; ++i) {
a[i] = b[i] >> k;
}
}
| 2,204 | 35 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/pshufb.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2020 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/intrin/pshufb.h"
#include "libc/str/str.h"
/**
* Shuffles and/or clears 8-bit integers.
*
* @param ð [w/o] receives result
* @param ð [r/o] supplies byte vector
* @param ð [r/o] supplies mask vector
* @note goes fast w/ ssse3 (intel c. 2004, amd c. 2011)
* @note doesn't perfectly emulate mmx
* @mayalias
*/
void(pshufb)(uint8_t a[16], const uint8_t b[16], const uint8_t c[16]) {
unsigned i;
uint8_t r[16];
for (i = 0; i < 16; ++i) r[i] = (c[i] & 0x80) ? 0 : b[c[i] & 0x0F];
__builtin_memcpy(a, r, 16);
}
| 2,383 | 38 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/dos2errno.internal.h | #ifndef COSMOPOLITAN_LIBC_INTRIN_DOS2ERRNO_INTERNAL_H_
#define COSMOPOLITAN_LIBC_INTRIN_DOS2ERRNO_INTERNAL_H_
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
struct thatispacked Dos2Errno {
uint16_t doscode;
int32_t systemv;
};
extern const struct Dos2Errno kDos2Errno[];
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_INTRIN_DOS2ERRNO_INTERNAL_H_ */
| 418 | 16 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/psrlwv.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2020 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/intrin/psrlw.h"
#include "libc/str/str.h"
/**
* Divides unsigned shorts by two power.
*
* @note logical shift does not sign extend negatives
* @mayalias
*/
void(psrlwv)(uint16_t a[8], const uint16_t b[8], const uint64_t c[2]) {
unsigned i;
if (c[0] < 16) {
for (i = 0; i < 8; ++i) {
a[i] = b[i] >> c[0];
}
} else {
__builtin_memset(a, 0, 16);
}
}
| 2,230 | 38 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/strlen.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2021 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/dce.h"
#include "libc/intrin/asan.internal.h"
#include "libc/str/str.h"
#ifndef __aarch64__
/**
* Returns length of NUL-terminated string.
*
* @param s is non-null NUL-terminated string pointer
* @return number of bytes (excluding NUL)
* @asyncsignalsafe
*/
noasan size_t strlen(const char *s) {
if (IsAsan()) __asan_verify_str(s);
#ifdef __x86_64__
typedef char xmm_t __attribute__((__vector_size__(16), __aligned__(16)));
xmm_t z = {0};
unsigned m, k = (uintptr_t)s & 15;
const xmm_t *p = (const xmm_t *)((uintptr_t)s & -16);
m = __builtin_ia32_pmovmskb128(*p == z) >> k << k;
while (!m) m = __builtin_ia32_pmovmskb128(*++p == z);
return (const char *)p + __builtin_ctzl(m) - s;
#else
#define ONES ((word)-1 / 255)
#define BANE (ONES * (255 / 2 + 1))
typedef unsigned long mayalias word;
word w;
unsigned k;
const word *p;
k = (uintptr_t)s & (sizeof(word) - 1);
p = (const word *)((uintptr_t)s & -sizeof(word));
w = *p;
w = ~w & (w - ONES) & BANE;
w >>= k << 3;
w <<= k << 3;
while (!w) {
w = *++p;
w = ~w & (w - ONES) & BANE;
}
return (const char *)p + (__builtin_ctzl(w) >> 3) - s;
#endif
}
#endif /* __aarch64__ */
| 3,029 | 63 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/psraw.h | #ifndef COSMOPOLITAN_LIBC_INTRIN_PSRAW_H_
#define COSMOPOLITAN_LIBC_INTRIN_PSRAW_H_
#include "libc/intrin/macros.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
void psraw(int16_t[8], const int16_t[8], unsigned char);
void psrawv(int16_t[8], const int16_t[8], const uint64_t[2]);
#define psraw(A, B, I) INTRIN_SSEVEX_X_I_(psraw, SSE2, "psraw", A, B, I)
#define psrawv(A, B, C) \
INTRIN_SSEVEX_X_X_X_(psrawv, SSE2, "psraw", INTRIN_NONCOMMUTATIVE, A, B, C)
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_INTRIN_PSRAW_H_ */
| 589 | 17 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/phaddd.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2020 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/intrin/phaddd.h"
#include "libc/str/str.h"
/**
* Adds adjacent 32-bit integers.
*
* @param ð [w/o] receives reduced ð and ð concatenated
* @param ð [r/o] supplies two pairs of ints
* @param ð [r/o] supplies two pairs of ints
* @note goes fast w/ ssse3 (intel c. 2004, amd c. 2011)
* @mayalias
*/
void(phaddd)(uint32_t a[4], const uint32_t b[4], const uint32_t c[4]) {
int32_t t[4];
t[0] = b[0] + b[1];
t[1] = b[2] + b[3];
t[2] = c[0] + c[1];
t[3] = c[2] + c[3];
__builtin_memcpy(a, t, sizeof(t));
}
| 2,386 | 39 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/kdos2errno.S | /*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-â
âvi: set et ft=asm ts=8 tw=8 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2021 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/macros.internal.h"
// @fileoverview data structure for __dos2errno()
// @see libc/sysv/dos2errno.sh for the numbers
.section .sort.rodata.dos2errno.1,"a",@progbits
.balign 8
kDos2Errno:/*
...decentralized content...
*/.endobj kDos2Errno,globl
.previous
.section .sort.rodata.dos2errno.3,"a",@progbits
.short 0
.previous
| 2,181 | 33 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/psllwv.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2020 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/intrin/psllw.h"
#include "libc/str/str.h"
/**
* Multiplies shorts by two power.
*
* @mayalias
*/
void(psllwv)(uint16_t a[8], const uint16_t b[8], const uint64_t c[2]) {
unsigned i;
if (c[0] < 16) {
for (i = 0; i < 8; ++i) {
a[i] = b[i] << c[0];
}
} else {
__builtin_memset(a, 0, 16);
}
}
| 2,170 | 37 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/bsr.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2020 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/intrin/bsr.h"
/**
* Returns binary logarithm of ð¥.
*
* ctz(ð¥) 31^clz(ð¥) clz(ð¥)
* uint32 ð¥ _bsf(ð¥) tzcnt(ð¥) ffs(ð¥) _bsr(ð¥) lzcnt(ð¥)
* 0x00000000 wut 32 0 wut 32
* 0x00000001 0 0 1 0 31
* 0x80000001 0 0 1 31 0
* 0x80000000 31 31 32 31 0
* 0x00000010 4 4 5 4 27
* 0x08000010 4 4 5 27 4
* 0x08000000 27 27 28 27 4
* 0xffffffff 0 0 1 31 0
*
* @param x is a 32-bit integer
* @return number in range 0..31 or undefined if ð¥ is 0
*/
int(_bsr)(int x) {
return _bsr(x);
}
/**
* Returns binary logarithm of ð¥.
*
* ctz(ð¥) 31^clz(ð¥) clz(ð¥)
* uint32 ð¥ _bsf(ð¥) tzcnt(ð¥) ffs(ð¥) _bsr(ð¥) lzcnt(ð¥)
* 0x00000000 wut 32 0 wut 32
* 0x00000001 0 0 1 0 31
* 0x80000001 0 0 1 31 0
* 0x80000000 31 31 32 31 0
* 0x00000010 4 4 5 4 27
* 0x08000010 4 4 5 27 4
* 0x08000000 27 27 28 27 4
* 0xffffffff 0 0 1 31 0
*
* @param x is a 64-bit integer
* @return number in range 0..63 or undefined if ð¥ is 0
*/
int(_bsrl)(long x) {
return _bsrl(x);
}
/**
* Returns binary logarithm of ð¥.
*
* ctz(ð¥) 31^clz(ð¥) clz(ð¥)
* uint32 ð¥ _bsf(ð¥) tzcnt(ð¥) ffs(ð¥) _bsr(ð¥) lzcnt(ð¥)
* 0x00000000 wut 32 0 wut 32
* 0x00000001 0 0 1 0 31
* 0x80000001 0 0 1 31 0
* 0x80000000 31 31 32 31 0
* 0x00000010 4 4 5 4 27
* 0x08000010 4 4 5 27 4
* 0x08000000 27 27 28 27 4
* 0xffffffff 0 0 1 31 0
*
* @param x is a 64-bit integer
* @return number in range 0..63 or undefined if ð¥ is 0
*/
int(_bsrll)(long long x) {
return _bsrll(x);
}
| 4,395 | 83 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/leaky.internal.h | #ifndef COSMOPOLITAN_LIBC_INTRIN_LEAKY_INTERNAL_H_
#define COSMOPOLITAN_LIBC_INTRIN_LEAKY_INTERNAL_H_
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
#define IGNORE_LEAKS(FUNC) \
STATIC_YOINK("_leaky_start"); \
void *_leaky_##FUNC[] _Section(".piro.relo.sort.leaky.2." #FUNC \
",\"aw\",@init_array #") = {FUNC}
extern intptr_t _leaky_end[] __attribute__((__weak__));
extern intptr_t _leaky_start[] __attribute__((__weak__));
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_INTRIN_LEAKY_INTERNAL_H_ */
| 673 | 17 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/shufpd.h | #ifndef COSMOPOLITAN_LIBC_INTRIN_SHUFPD_H_
#define COSMOPOLITAN_LIBC_INTRIN_SHUFPD_H_
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
void shufpd(double[2], const double[2], const double[2], uint8_t);
#if !defined(__STRICT_ANSI__) && !defined(__chibicc__)
typedef double shufpd_t _Vector_size(16) forcealign(16) mayalias;
shufpd_t shufpdjt(shufpd_t, shufpd_t);
#define shufpd(C, B, A, I) \
do { \
if (__builtin_expect(X86_NEED(SSE) && X86_HAVE(SSSE3), 1)) { \
shufpd_t *Xmm0 = (void *)(C); \
const shufpd_t *Xmm1 = (const shufpd_t *)(B); \
const shufpd_t *Xmm2 = (const shufpd_t *)(A); \
if (__builtin_constant_p(I)) { \
if (!X86_NEED(AVX)) { \
asm("shufpd\t%2,%1,%0" \
: "=x"(*Xmm0) \
: "x"(*Xmm2), "i"(I), "0"(*Xmm1)); \
} else { \
asm("vshufpd\t%3,%2,%1,%0" \
: "=x"(*Xmm0) \
: "x"(*Xmm1), "x"(*Xmm2), "i"(I)); \
} \
} else { \
uint8_t Vimm = (I); \
typeof(shufpdjt) *Fn; \
Fn = (typeof(shufpdjt) *)((uintptr_t)&shufpdjt + Vimm * 8); \
*Xmm0 = Fn(*Xmm1, *Xmm2); \
} \
} else { \
shufpd(C, B, A, I); \
} \
} while (0)
#endif
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_INTRIN_SHUFPD_H_ */
| 2,262 | 42 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/wrgsbase.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2022 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/intrin/fsgsbase.h"
/**
* Changes `%gs` base address.
*
* @see _have_fsgsbase()
*/
void *(_wrgsbase)(void *p) {
return _wrgsbase(p);
}
| 1,992 | 29 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/phsubd.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2020 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/intrin/phsubd.h"
#include "libc/str/str.h"
/**
* Subtracts adjacent 32-bit integers.
*
* @param ð [w/o] receives reduced ð and ð concatenated
* @param ð [r/o] supplies two pairs of ints
* @param ð [r/o] supplies two pairs of ints
* @note goes fast w/ ssse3
* @mayalias
*/
void(phsubd)(uint32_t a[4], const uint32_t b[4], const uint32_t c[4]) {
uint32_t t[4];
t[0] = b[0] - b[1];
t[1] = b[2] - b[3];
t[2] = c[0] - c[1];
t[3] = c[2] - c[3];
__builtin_memcpy(a, t, sizeof(t));
}
| 2,363 | 39 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/asaninit.S | /*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-â
âvi: set et ft=asm ts=8 tw=8 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2020 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/macros.internal.h"
.init.start 303,_init_asan
push %rdi
push %rsi
mov %r12,%rdi
mov %r13,%rsi
mov %r14,%rdx
mov %r15,%rcx
call __asan_init
pop %rsi
pop %rdi
.init.end 303,_init_asan
| 2,045 | 32 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/packuswb.h | #ifndef COSMOPOLITAN_LIBC_INTRIN_PACKUSWB_H_
#define COSMOPOLITAN_LIBC_INTRIN_PACKUSWB_H_
#include "libc/intrin/macros.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
void packuswb(uint8_t[16], const int16_t[8], const int16_t[8]);
#define packuswb(A, B, C) \
INTRIN_SSEVEX_X_X_X_(packuswb, SSE2, "packuswb", INTRIN_NONCOMMUTATIVE, A, \
B, C)
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_INTRIN_PACKUSWB_H_ */
| 553 | 16 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/pmovmskb.h | #ifndef COSMOPOLITAN_LIBC_INTRIN_PMOVMSKB_H_
#define COSMOPOLITAN_LIBC_INTRIN_PMOVMSKB_H_
#include "libc/intrin/macros.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
uint32_t pmovmskb(const uint8_t[16]);
#if defined(__x86_64__) && defined(__GNUC__)
#define pmovmskb(A) \
({ \
uint32_t Mask; \
if (!IsModeDbg() && X86_HAVE(SSE2)) { \
const __intrin_xmm_t *Xmm = (const __intrin_xmm_t *)(A); \
if (!X86_NEED(AVX)) { \
asm("pmovmskb\t%1,%0" : "=r"(Mask) : "x"(*Xmm)); \
} else { \
asm("vpmovmskb\t%1,%0" : "=r"(Mask) : "x"(*Xmm)); \
} \
} else { \
Mask = pmovmskb(A); \
} \
Mask; \
})
#endif
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_INTRIN_PMOVMSKB_H_ */
| 1,307 | 30 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/createpipe.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2022 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/calls/syscall_support-nt.internal.h"
#include "libc/intrin/describeflags.internal.h"
#include "libc/intrin/strace.internal.h"
#include "libc/nt/ipc.h"
#include "libc/nt/struct/securityattributes.h"
#include "libc/nt/thunk/msabi.h"
__msabi extern typeof(CreatePipe) *const __imp_CreatePipe;
/**
* Creates anonymous pipe.
* @note this wrapper takes care of ABI, STRACE(), and __winerr()
*/
textwindows bool32 CreatePipe(
int64_t *out_hReadPipe, int64_t *out_hWritePipe,
const struct NtSecurityAttributes *opt_lpPipeAttributes, uint32_t nSize) {
bool32 ok;
ok = __imp_CreatePipe(out_hReadPipe, out_hWritePipe, opt_lpPipeAttributes,
nSize);
if (!ok) __winerr();
NTTRACE("CreatePipe([%ld], [%ld], %s, %'zu) â %hhhd% m", *out_hReadPipe,
*out_hWritePipe, DescribeNtSecurityAttributes(opt_lpPipeAttributes),
nSize, ok);
return ok;
}
| 2,745 | 44 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/ksockoptnames.S | /*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-â
âvi: set et ft=asm ts=8 tw=8 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2021 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/fmt/magnumstrs.internal.h"
#include "libc/macros.internal.h"
.macro .e e s
.long \e - kSockOptnames
.long .L\@ - kSockOptnames
.rodata.str1.1
.L\@: .string "\s"
.previous
.endm
.section .rodata
.balign 4
.underrun
kSockOptnames:
.e SO_DEBUG,"DEBUG" // bool32
.e SO_ACCEPTCONN,"ACCEPTCONN" // bool32
.e SO_BROADCAST,"BROADCAST" // bool32
.e SO_REUSEADDR,"REUSEADDR" // bool32
.e SO_REUSEPORT,"REUSEPORT" // bool32
.e SO_KEEPALIVE,"KEEPALIVE" // bool32
.e SO_DONTROUTE,"DONTROUTE" // bool32
.e SO_RCVTIMEO,"RCVTIMEO" // timeval
.e SO_SNDTIMEO,"SNDTIMEO" // timeval
.e SO_LINGER,"LINGER" // linger
.e SO_TYPE,"TYPE" // int
.e SO_SNDBUF,"SNDBUF" // int
.e SO_RCVBUF,"RCVBUF" // int
.e SO_RCVLOWAT,"RCVLOWAT" // int
.e SO_SNDLOWAT,"SNDLOWAT" // int
.e SO_ERROR,"ERROR" // int
.long MAGNUM_TERMINATOR
.endobj kSockOptnames,globl,hidden
.overrun
| 2,747 | 53 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/pcmpgtd.h | #ifndef COSMOPOLITAN_LIBC_INTRIN_PCMPGTD_H_
#define COSMOPOLITAN_LIBC_INTRIN_PCMPGTD_H_
#include "libc/intrin/macros.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
void pcmpgtd(int32_t[4], const int32_t[4], const int32_t[4]);
#define pcmpgtd(A, B, C) \
INTRIN_SSEVEX_X_X_X_(pcmpgtd, SSE2, "pcmpgtd", INTRIN_NONCOMMUTATIVE, A, B, C)
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_INTRIN_PCMPGTD_H_ */
| 469 | 15 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/unmorton.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2020 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/intrin/morton.h"
static unsigned long GetOddBits(unsigned long x) {
x = (x | x >> 000) & 0x5555555555555555;
x = (x | x >> 001) & 0x3333333333333333;
x = (x | x >> 002) & 0x0F0F0F0F0F0F0F0F;
x = (x | x >> 004) & 0x00FF00FF00FF00FF;
x = (x | x >> 010) & 0x0000FFFF0000FFFF;
x = (x | x >> 020) & 0x00000000FFFFFFFF;
return x;
}
/**
* Deinterleaves bits.
*
* @param ð is interleaved index
* @return deinterleaved coordinate {ax := ð¦, dx := ð¥}
* @see en.wikipedia.org/wiki/Z-order_curve
* @see morton()
*/
axdx_t(unmorton)(unsigned long i) {
return (axdx_t){GetOddBits(i >> 1), GetOddBits(i)};
}
| 2,477 | 42 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/describeptrace.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2022 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/fmt/itoa.h"
#include "libc/intrin/describeflags.internal.h"
#include "libc/sysv/consts/ptrace.h"
const char *(DescribePtrace)(char buf[12], int x) {
if (x == -1) return "-1";
if (x == PTRACE_TRACEME) return "PTRACE_TRACEME";
if (x == PTRACE_PEEKDATA) return "PTRACE_PEEKDATA";
if (x == PTRACE_GETFPREGS) return "PTRACE_GETFPREGS";
if (x == PTRACE_PEEKTEXT) return "PTRACE_PEEKTEXT";
if (x == PTRACE_POKEDATA) return "PTRACE_POKEDATA";
if (x == PTRACE_PEEKUSER) return "PTRACE_PEEKUSER";
if (x == PTRACE_POKETEXT) return "PTRACE_POKETEXT";
if (x == PTRACE_POKEUSER) return "PTRACE_POKEUSER";
if (x == PTRACE_GETREGS) return "PTRACE_GETREGS";
if (x == PTRACE_GETREGSET) return "PTRACE_GETREGSET";
if (x == PTRACE_SETFPREGS) return "PTRACE_SETFPREGS";
if (x == PTRACE_SETREGS) return "PTRACE_SETREGS";
if (x == PTRACE_SETREGSET) return "PTRACE_SETREGSET";
if (x == PTRACE_GETSIGINFO) return "PTRACE_GETSIGINFO";
if (x == PTRACE_SETSIGINFO) return "PTRACE_SETSIGINFO";
if (x == PTRACE_PEEKSIGINFO) return "PTRACE_PEEKSIGINFO";
if (x == PTRACE_GETSIGMASK) return "PTRACE_GETSIGMASK";
if (x == PTRACE_SETSIGMASK) return "PTRACE_SETSIGMASK";
if (x == PTRACE_SETOPTIONS) return "PTRACE_SETOPTIONS";
if (x == PTRACE_GETEVENTMSG) return "PTRACE_GETEVENTMSG";
if (x == PTRACE_CONT) return "PTRACE_CONT";
if (x == PTRACE_SINGLESTEP) return "PTRACE_SINGLESTEP";
if (x == PTRACE_SYSCALL) return "PTRACE_SYSCALL";
if (x == PTRACE_LISTEN) return "PTRACE_LISTEN";
if (x == PTRACE_KILL) return "PTRACE_KILL";
if (x == PTRACE_INTERRUPT) return "PTRACE_INTERRUPT";
if (x == PTRACE_ATTACH) return "PTRACE_ATTACH";
if (x == PTRACE_SEIZE) return "PTRACE_SEIZE";
if (x == PTRACE_SECCOMP_GET_FILTER) return "PTRACE_SECCOMP_GET_FILTER";
if (x == PTRACE_DETACH) return "PTRACE_DETACH";
FormatInt32(buf, x);
return buf;
}
| 3,712 | 58 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/bsf.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2020 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/intrin/bsf.h"
/**
* Returns position of first bit set.
*
* ctz(ð¥) 31^clz(ð¥) clz(ð¥)
* uint32 ð¥ _bsf(ð¥) tzcnt(ð¥) ffs(ð¥) _bsr(ð¥) lzcnt(ð¥)
* 0x00000000 wut 32 0 wut 32
* 0x00000001 0 0 1 0 31
* 0x80000001 0 0 1 31 0
* 0x80000000 31 31 32 31 0
* 0x00000010 4 4 5 4 27
* 0x08000010 4 4 5 27 4
* 0x08000000 27 27 28 27 4
* 0xffffffff 0 0 1 31 0
*
* @param x is a 32-bit integer
* @return number in range 0..31 or undefined if ð¥ is 0
*/
int(_bsf)(int x) {
return _bsf(x);
}
/**
* Returns position of first bit set.
*
* ctz(ð¥) 31^clz(ð¥) clz(ð¥)
* uint32 ð¥ _bsf(ð¥) tzcnt(ð¥) ffs(ð¥) _bsr(ð¥) lzcnt(ð¥)
* 0x00000000 wut 32 0 wut 32
* 0x00000001 0 0 1 0 31
* 0x80000001 0 0 1 31 0
* 0x80000000 31 31 32 31 0
* 0x00000010 4 4 5 4 27
* 0x08000010 4 4 5 27 4
* 0x08000000 27 27 28 27 4
* 0xffffffff 0 0 1 31 0
*
* @param ð¥ is a 64-bit integer
* @return number in range 0..63 or undefined if ð¥ is 0
*/
int(_bsfl)(long x) {
return _bsfl(x);
}
/**
* Returns position of first bit set.
*
* ctz(ð¥) 31^clz(ð¥) clz(ð¥)
* uint32 ð¥ _bsf(ð¥) tzcnt(ð¥) ffs(ð¥) _bsr(ð¥) lzcnt(ð¥)
* 0x00000000 wut 32 0 wut 32
* 0x00000001 0 0 1 0 31
* 0x80000001 0 0 1 31 0
* 0x80000000 31 31 32 31 0
* 0x00000010 4 4 5 4 27
* 0x08000010 4 4 5 27 4
* 0x08000000 27 27 28 27 4
* 0xffffffff 0 0 1 31 0
*
* @param ð¥ is a 64-bit integer
* @return number in range 0..63 or undefined if ð¥ is 0
*/
int(_bsfll)(long long x) {
return _bsfll(x);
}
| 4,404 | 83 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/describentpageflags.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2022 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/intrin/describeflags.internal.h"
#include "libc/macros.internal.h"
#include "libc/nt/enum/pageflags.h"
static const struct DescribeFlags kPageFlags[] = {
{kNtPageNoaccess, "PageNoaccess"}, //
{kNtPageReadonly, "PageReadonly"}, //
{kNtPageReadwrite, "PageReadwrite"}, //
{kNtPageWritecopy, "PageWritecopy"}, //
{kNtPageExecute, "PageExecute"}, //
{kNtPageExecuteRead, "PageExecuteRead"}, //
{kNtPageExecuteReadwrite, "PageExecuteReadwrite"}, //
{kNtPageExecuteWritecopy, "PageExecuteWritecopy"}, //
{kNtPageGuard, "PageGuard"}, //
{kNtPageNocache, "PageNocache"}, //
{kNtPageWritecombine, "PageWritecombine"}, //
{kNtSecReserve, "SecReserve"}, //
{kNtSecCommit, "SecCommit"}, //
{kNtSecImageNoExecute, "SecImageNoExecute"}, // order matters
{kNtSecImage, "SecImage"}, //
{kNtSecLargePages, "SecLargePages"}, //
{kNtSecNocache, "SecNocache"}, //
{kNtSecWritecombine, "SecWritecombine"}, //
};
const char *(DescribeNtPageFlags)(char buf[64], uint32_t x) {
return DescribeFlags(buf, 64, kPageFlags, ARRAYLEN(kPageFlags), "kNt", x);
}
| 3,227 | 47 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/getcpuidbrand.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2023 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/runtime/runtime.h"
#ifdef __x86_64__
void GetCpuidBrand(char s[13], uint32_t leaf) {
int ax, cx;
asm("push\t%%rbx\r\n"
"cpuid\r\n"
"mov\t%%ebx,0+%2\r\n"
"mov\t%%ecx,4+%2\r\n"
"mov\t%%edx,8+%2\r\n"
"movb\t$0,12+%2\r\n"
"pop\t%%rbx"
: "=a"(ax), "=c"(cx), "=o"(*(char(*)[13])s)
: "0"(leaf), "1"(0)
: "rdx");
s[12] = 0;
}
#endif /* __x86_64__ */
| 2,255 | 38 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/createfilemapping.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2022 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/calls/syscall_support-nt.internal.h"
#include "libc/intrin/describeflags.internal.h"
#include "libc/intrin/strace.internal.h"
#include "libc/nt/memory.h"
#include "libc/nt/struct/securityattributes.h"
#include "libc/nt/thunk/msabi.h"
__msabi extern typeof(CreateFileMapping) *const __imp_CreateFileMappingW;
/**
* Creates file mapping object on the New Technology.
*
* @param opt_hFile may be -1 for MAP_ANONYMOUS behavior
* @return handle, or 0 on failure
* @note this wrapper takes care of ABI, STRACE(), and __winerr()
* @see MapViewOfFileEx()
*/
textwindows int64_t CreateFileMapping(
int64_t opt_hFile,
const struct NtSecurityAttributes *opt_lpFileMappingAttributes,
uint32_t flProtect, uint32_t dwMaximumSizeHigh, uint32_t dwMaximumSizeLow,
const char16_t *opt_lpName) {
int64_t hHandle;
hHandle = __imp_CreateFileMappingW(opt_hFile, opt_lpFileMappingAttributes,
flProtect, dwMaximumSizeHigh,
dwMaximumSizeLow, opt_lpName);
if (!hHandle) __winerr();
NTTRACE("CreateFileMapping(%ld, %s, %s, %'zu, %#hs) â %ld% m", opt_hFile,
DescribeNtSecurityAttributes(opt_lpFileMappingAttributes),
DescribeNtPageFlags(flProtect),
(uint64_t)dwMaximumSizeHigh << 32 | dwMaximumSizeLow, opt_lpName,
hHandle);
return hHandle;
}
| 3,217 | 53 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/movefileex.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2022 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/calls/syscall_support-nt.internal.h"
#include "libc/intrin/describeflags.internal.h"
#include "libc/intrin/strace.internal.h"
#include "libc/nt/files.h"
#include "libc/nt/memory.h"
#include "libc/nt/thunk/msabi.h"
__msabi extern typeof(MoveFileEx) *const __imp_MoveFileExW;
/**
* Deletes existing empty directory.
* @note this wrapper takes care of ABI, STRACE(), and __winerr()
*/
textwindows bool32 MoveFileEx(const char16_t *lpExistingFileName,
const char16_t *lpNewFileName, int dwFlags) {
bool32 ok;
ok = __imp_MoveFileExW(lpExistingFileName, lpNewFileName, dwFlags);
if (!ok) __winerr();
NTTRACE("MoveFileEx(%#hs, %#hs, %s) â %hhhd% m", lpExistingFileName,
lpNewFileName, DescribeNtMovFileInpFlags(dwFlags), ok);
return ok;
}
| 2,640 | 41 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/pcmpgtw.h | #ifndef COSMOPOLITAN_LIBC_INTRIN_PCMPGTW_H_
#define COSMOPOLITAN_LIBC_INTRIN_PCMPGTW_H_
#include "libc/intrin/macros.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
void pcmpgtw(int16_t[8], const int16_t[8], const int16_t[8]);
#define pcmpgtw(A, B, C) \
INTRIN_SSEVEX_X_X_X_(pcmpgtw, SSE2, "pcmpgtw", INTRIN_NONCOMMUTATIVE, A, B, C)
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_INTRIN_PCMPGTW_H_ */
| 469 | 15 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/createdirectory.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2022 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/calls/syscall_support-nt.internal.h"
#include "libc/intrin/describeflags.internal.h"
#include "libc/intrin/strace.internal.h"
#include "libc/nt/files.h"
#include "libc/nt/thunk/msabi.h"
__msabi extern typeof(CreateDirectory) *const __imp_CreateDirectoryW;
/**
* Creates directory on the New Technology.
*
* @return handle, or -1 on failure
* @note this wrapper takes care of ABI, STRACE(), and __winerr()
*/
textwindows bool32
CreateDirectory(const char16_t *lpPathName,
struct NtSecurityAttributes *lpSecurityAttributes) {
bool32 ok;
ok = __imp_CreateDirectoryW(lpPathName, lpSecurityAttributes);
if (!ok) __winerr();
NTTRACE("CreateDirectory(%#hs, %s) â %hhhd% m", lpPathName,
DescribeNtSecurityAttributes(lpSecurityAttributes), ok);
return ok;
}
| 2,645 | 43 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/pslldq.h | #ifndef COSMOPOLITAN_LIBC_INTRIN_PSLLDQ_H_
#define COSMOPOLITAN_LIBC_INTRIN_PSLLDQ_H_
#include "libc/intrin/macros.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
void pslldq(uint8_t[16], const uint8_t[16], unsigned long);
#if defined(__x86_64__) && !defined(__STRICT_ANSI__)
__intrin_xmm_t __pslldqs(__intrin_xmm_t);
#define pslldq(B, A, I) \
do { \
if (__builtin_expect(!IsModeDbg() && X86_NEED(SSE) && X86_HAVE(SSE2), \
1)) { \
__intrin_xmm_t *Xmm0 = (void *)(B); \
const __intrin_xmm_t *Xmm1 = (const __intrin_xmm_t *)(A); \
if (__builtin_constant_p(I)) { \
if (!X86_NEED(AVX)) { \
asm("pslldq\t%1,%0" : "=x"(*Xmm0) : "i"(I), "0"(*Xmm1)); \
} else { \
asm("vpslldq\t%2,%1,%0" : "=x"(*Xmm0) : "x"(*Xmm1), "i"(I)); \
} \
} else { \
unsigned long Vimm = (I); \
typeof(__pslldqs) *Fn; \
if (Vimm > 16) Vimm = 16; \
Fn = (typeof(__pslldqs) *)((uintptr_t)&__pslldqs + Vimm * 8); \
*Xmm0 = Fn(*Xmm1); \
} \
} else { \
pslldq(B, A, I); \
} \
} while (0)
#endif
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_INTRIN_PSLLDQ_H_ */
| 2,144 | 39 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/unmapviewoffile.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2022 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/calls/syscall_support-nt.internal.h"
#include "libc/intrin/strace.internal.h"
#include "libc/nt/memory.h"
__msabi extern typeof(UnmapViewOfFile) *const __imp_UnmapViewOfFile;
/**
* Unmaps memory created by MapViewOfFileEx().
* @note this wrapper takes care of ABI, STRACE(), and __winerr()
*/
textwindows bool32 UnmapViewOfFile(const void *lpBaseAddress) {
bool32 ok;
ok = __imp_UnmapViewOfFile(lpBaseAddress);
if (!ok) __winerr();
NTTRACE("UnmapViewOfFile(%p) â %hhhd% m", lpBaseAddress, ok);
return ok;
}
| 2,375 | 36 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/winerr.greg.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2020 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#define ShouldUseMsabiAttribute() 1
#include "libc/assert.h"
#include "libc/dce.h"
#include "libc/errno.h"
#include "libc/nt/errors.h"
#include "libc/nt/runtime.h"
#include "libc/sock/internal.h"
#include "libc/sysv/errfuns.h"
/**
* Return path for failed Win32 API calls.
*
* @return -1 w/ few exceptions
* @note this is a code-size saving device
*/
privileged int64_t __winerr(void) {
errno_t e;
if (IsWindows()) {
e = __dos2errno(__imp_GetLastError());
_npassert(e > 0);
} else {
e = ENOSYS;
}
errno = e;
return -1;
}
| 2,387 | 45 | jart/cosmopolitan | false |
cosmopolitan/libc/intrin/pext.c | /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2020 Justine Alexandra Roberts Tunney â
â â
â Permission to use, copy, modify, and/or distribute this software for â
â any purpose with or without fee is hereby granted, provided that the â
â above copyright notice and this permission notice appear in all copies. â
â â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR â
â PERFORMANCE OF THIS SOFTWARE. â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/intrin/pext.h"
/**
* Parallel bit extract.
*/
uint64_t(pext)(uint64_t x, uint64_t mask) {
uint64_t r, b;
for (r = 0, b = 1; mask; mask >>= 1, x >>= 1) {
if (mask & 1) {
if (x & 1) r |= b;
b <<= 1;
}
}
return r;
}
| 2,095 | 34 | jart/cosmopolitan | false |
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