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* Make this file compile cleanly.

Browse Source 
* Add FreeBSD constructor/destructor definitions.
This commit is contained in:
John Birrell 2008-04-26 05:03:22 +00:00
parent dbad07bf4d
commit 5fe26f7c08
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=178572
1 changed files with 27 additions and 10 deletions
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37
cddl/contrib/opensolaris/lib/libdtrace/common/drti.c
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@ -55,7 +55,7 @@
* DTRACE_DOF_INIT_DEVNAME set the path to the helper node
*/
static const char *devname = "/dev/dtrace/helper";
static const char *devnamep = "/dev/dtrace/helper";
static const char *olddevname = "/devices/pseudo/dtrace@0:helper";
static const char *modname; /* Name of this load object */
@ -85,7 +85,12 @@ dprintf(int debug, const char *fmt, ...)
va_end(ap);
}
#if defined(sun)
#pragma init(dtrace_dof_init)
#else
static void dtrace_dof_init(void) __attribute__ ((constructor));
#endif
static void
dtrace_dof_init(void)
{
@ -96,8 +101,13 @@ dtrace_dof_init(void)
Elf32_Ehdr *elf;
#endif
dof_helper_t dh;
#if defined(sun)
Link_map *lmp;
Lmid_t lmid;
#else
struct link_map *lmp;
u_long lmid = 0;
#endif
int fd;
const char *p;
@ -109,10 +119,12 @@ dtrace_dof_init(void)
return;
}
#if defined(sun)
if (dlinfo(RTLD_SELF, RTLD_DI_LMID, &lmid) == -1) {
dprintf(1, "couldn't discover link map ID\n");
return;
}
#endif
if ((modname = strrchr(lmp->l_name, '/')) == NULL)
modname = lmp->l_name;
@ -130,7 +142,7 @@ dtrace_dof_init(void)
elf = (void *)lmp->l_addr;
dh.dofhp_dof = (uintptr_t)dof;
dh.dofhp_addr = elf->e_type == ET_DYN ? lmp->l_addr : 0;
dh.dofhp_addr = elf->e_type == ET_DYN ? (uintptr_t) lmp->l_addr : 0;
if (lmid == 0) {
(void) snprintf(dh.dofhp_mod, sizeof (dh.dofhp_mod),
@ -141,10 +153,10 @@ dtrace_dof_init(void)
}
if ((p = getenv("DTRACE_DOF_INIT_DEVNAME")) != NULL)
devname = p;
devnamep = p;
if ((fd = open64(devname, O_RDWR)) < 0) {
dprintf(1, "failed to open helper device %s", devname);
if ((fd = open64(devnamep, O_RDWR)) < 0) {
dprintf(1, "failed to open helper device %s", devnamep);
/*
* If the device path wasn't explicitly set, try again with
@ -153,10 +165,10 @@ dtrace_dof_init(void)
if (p != NULL)
return;
devname = olddevname;
devnamep = olddevname;
if ((fd = open64(devname, O_RDWR)) < 0) {
dprintf(1, "failed to open helper device %s", devname);
if ((fd = open64(devnamep, O_RDWR)) < 0) {
dprintf(1, "failed to open helper device %s", devnamep);
return;
}
}
@ -169,14 +181,19 @@ dtrace_dof_init(void)
(void) close(fd);
}
#if defined(sun)
#pragma fini(dtrace_dof_fini)
#else
static void dtrace_dof_fini(void) __attribute__ ((destructor));
#endif
static void
dtrace_dof_fini(void)
{
int fd;
if ((fd = open64(devname, O_RDWR)) < 0) {
dprintf(1, "failed to open helper device %s", devname);
if ((fd = open64(devnamep, O_RDWR)) < 0) {
dprintf(1, "failed to open helper device %s", devnamep);
return;
}