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/*
* Copyright (c) 2012, Chris Andrews. All rights reserved.
*/
#include "usdt_internal.h"
int
usdt_dof_probes_sect(usdt_dof_section_t *probes,
usdt_provider_t *provider, usdt_strtab_t *strtab)
{
usdt_probedef_t *pd;
dof_probe_t p;
dof_stridx_t type, argv;
uint8_t argc, i;
uint32_t argidx = 0;
uint32_t offidx = 0;
usdt_dof_section_init(probes, DOF_SECT_PROBES, 1);
for (pd = provider->probedefs; pd != NULL; pd = pd->next) {
argc = 0;
argv = 0;
type = 0;
for (i = 0; i < pd->argc; i++) {
type = usdt_strtab_add(strtab, pd->types[i]);
argc++;
if (argv == 0)
argv = type;
}
if (usdt_create_tracepoints(pd->probe) < 0) {
usdt_error(provider, USDT_ERROR_VALLOC);
return (-1);
}
#ifdef __x86_64__
p.dofpr_addr = (uint64_t) pd->probe->isenabled_addr;
#elif __i386__ || __i386
p.dofpr_addr = (uint32_t) pd->probe->isenabled_addr;
#else
#error "only x86_64 and i386 supported"
#endif
p.dofpr_func = usdt_strtab_add(strtab, pd->function);
p.dofpr_name = usdt_strtab_add(strtab, pd->name);
p.dofpr_nargv = argv;
p.dofpr_xargv = argv;
p.dofpr_argidx = argidx;
p.dofpr_offidx = offidx;
p.dofpr_nargc = argc;
p.dofpr_xargc = argc;
p.dofpr_noffs = 1;
p.dofpr_enoffidx = offidx;
p.dofpr_nenoffs = 1;
p.dofpr_pad1 = 0;
p.dofpr_pad2 = 0;
usdt_dof_section_add_data(probes, &p, sizeof(dof_probe_t));
probes->entsize = sizeof(dof_probe_t);
argidx += argc;
offidx++;
}
return (0);
}
int
usdt_dof_prargs_sect(usdt_dof_section_t *prargs, usdt_provider_t *provider)
{
usdt_probedef_t *pd;
uint8_t i;
usdt_dof_section_init(prargs, DOF_SECT_PRARGS, 2);
prargs->entsize = 1;
for (pd = provider->probedefs; pd != NULL; pd = pd->next) {
for (i = 0; i < pd->argc; i++)
usdt_dof_section_add_data(prargs, &i, 1);
}
if (prargs->size == 0) {
i = 0;
if (usdt_dof_section_add_data(prargs, &i, 1) < 0) {
usdt_error(provider, USDT_ERROR_MALLOC);
return (-1);
}
}
return (0);
}
int
usdt_dof_proffs_sect(usdt_dof_section_t *proffs,
usdt_provider_t *provider, char *dof)
{
usdt_probedef_t *pd;
uint32_t off;
usdt_dof_section_init(proffs, DOF_SECT_PROFFS, 3);
proffs->entsize = 4;
for (pd = provider->probedefs; pd != NULL; pd = pd->next) {
off = usdt_probe_offset(pd->probe, dof, pd->argc);
if (usdt_dof_section_add_data(proffs, &off, 4) < 0) {
usdt_error(provider, USDT_ERROR_MALLOC);
return (-1);
}
}
return (0);
}
int
usdt_dof_prenoffs_sect(usdt_dof_section_t *prenoffs,
usdt_provider_t *provider, char *dof)
{
usdt_probedef_t *pd;
uint32_t off;
usdt_dof_section_init(prenoffs, DOF_SECT_PRENOFFS, 4);
prenoffs->entsize = 4;
for (pd = provider->probedefs; pd != NULL; pd = pd->next) {
off = usdt_is_enabled_offset(pd->probe, dof);
if (usdt_dof_section_add_data(prenoffs, &off, 4) < 0) {
usdt_error(provider, USDT_ERROR_MALLOC);
return (-1);
}
}
return (0);
}
int
usdt_dof_provider_sect(usdt_dof_section_t *provider_s, usdt_provider_t *provider)
{
dof_provider_t p;
usdt_dof_section_init(provider_s, DOF_SECT_PROVIDER, 5);
p.dofpv_strtab = 0;
p.dofpv_probes = 1;
p.dofpv_prargs = 2;
p.dofpv_proffs = 3;
p.dofpv_prenoffs = 4;
p.dofpv_name = 1; /* provider name always first strtab entry. */
/*
* Stability is something of a hack. Everything is marked *
* "stable" here to permit use of the "args" array, which is *
* needed to access arguments past "arg9".
*
* It should be up to the creator of the provider to decide
* this, though, and it should be possible to set the
* appropriate stability at creation time.
*/
p.dofpv_provattr = DOF_ATTR(DTRACE_STABILITY_STABLE,
DTRACE_STABILITY_STABLE,
DTRACE_STABILITY_STABLE);
p.dofpv_modattr = DOF_ATTR(DTRACE_STABILITY_STABLE,
DTRACE_STABILITY_STABLE,
DTRACE_STABILITY_STABLE);
p.dofpv_funcattr = DOF_ATTR(DTRACE_STABILITY_STABLE,
DTRACE_STABILITY_STABLE,
DTRACE_STABILITY_STABLE);
p.dofpv_nameattr = DOF_ATTR(DTRACE_STABILITY_STABLE,
DTRACE_STABILITY_STABLE,
DTRACE_STABILITY_STABLE);
p.dofpv_argsattr = DOF_ATTR(DTRACE_STABILITY_STABLE,
DTRACE_STABILITY_STABLE,
DTRACE_STABILITY_STABLE);
if ((usdt_dof_section_add_data(provider_s, &p, sizeof(p))) < 0) {
usdt_error(provider, USDT_ERROR_MALLOC);
return (-1);
}
return (0);
}
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