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* sysdeps/unix/sysv/linux/libc_pthread_init.c (__libc_pthread_init):

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Avoid warning by using may_alias attribute on ptrhack.
This commit is contained in:
Ulrich Drepper
2009-04-26 18:06:47 +00:00
parent 4ec77f72fe
commit f521be31b9
13 changed files with 83 additions and 41 deletions
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52
gmon/gmon.c
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@ -40,6 +40,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stddef.h>
#include <unistd.h>
#include <libc-internal.h>
#include <not-cancel.h>
@ -180,10 +181,18 @@ write_hist (fd)
int fd;
{
u_char tag = GMON_TAG_TIME_HIST;
struct gmon_hist_hdr thdr __attribute__ ((aligned (__alignof__ (char *))));
if (_gmonparam.kcountsize > 0)
{
struct real_gmon_hist_hdr
{
char *low_pc;
char *high_pc;
int32_t hist_size;
int32_t prof_rate;
char dimen[15];
char dimen_abbrev;
} thdr;
struct iovec iov[3] =
{
{ &tag, sizeof (tag) },
@ -191,11 +200,25 @@ write_hist (fd)
{ _gmonparam.kcount, _gmonparam.kcountsize }
};
*(char **) thdr.low_pc = (char *) _gmonparam.lowpc;
*(char **) thdr.high_pc = (char *) _gmonparam.highpc;
*(int32_t *) thdr.hist_size = (_gmonparam.kcountsize
/ sizeof (HISTCOUNTER));
*(int32_t *) thdr.prof_rate = __profile_frequency ();
if (sizeof (thdr) != sizeof (struct gmon_hist_hdr)
|| (offsetof (struct real_gmon_hist_hdr, low_pc)
!= offsetof (struct gmon_hist_hdr, low_pc))
|| (offsetof (struct real_gmon_hist_hdr, high_pc)
!= offsetof (struct gmon_hist_hdr, high_pc))
|| (offsetof (struct real_gmon_hist_hdr, hist_size)
!= offsetof (struct gmon_hist_hdr, hist_size))
|| (offsetof (struct real_gmon_hist_hdr, prof_rate)
!= offsetof (struct gmon_hist_hdr, prof_rate))
|| (offsetof (struct real_gmon_hist_hdr, dimen)
!= offsetof (struct gmon_hist_hdr, dimen))
|| (offsetof (struct real_gmon_hist_hdr, dimen_abbrev)
!= offsetof (struct gmon_hist_hdr, dimen_abbrev)))
abort ();
thdr.low_pc = (char *) _gmonparam.lowpc;
thdr.high_pc = (char *) _gmonparam.highpc;
thdr.hist_size = _gmonparam.kcountsize / sizeof (HISTCOUNTER);
thdr.prof_rate = __profile_frequency ();
strncpy (thdr.dimen, "seconds", sizeof (thdr.dimen));
thdr.dimen_abbrev = 's';
@ -318,7 +341,6 @@ write_bb_counts (fd)
static void
write_gmon (void)
{
struct gmon_hdr ghdr __attribute__ ((aligned (__alignof__ (int))));
int fd = -1;
char *env;
@ -350,9 +372,21 @@ write_gmon (void)
}
/* write gmon.out header: */
memset (&ghdr, '\0', sizeof (struct gmon_hdr));
struct real_gmon_hdr
{
char cookie[4];
int32_t version;
char spare[3 * 4];
} ghdr;
if (sizeof (ghdr) != sizeof (struct gmon_hdr)
|| (offsetof (struct real_gmon_hdr, cookie)
!= offsetof (struct gmon_hdr, cookie))
|| (offsetof (struct real_gmon_hdr, version)
!= offsetof (struct gmon_hdr, version)))
abort ();
memcpy (&ghdr.cookie[0], GMON_MAGIC, sizeof (ghdr.cookie));
*(int32_t *) ghdr.version = GMON_VERSION;
ghdr.version = GMON_VERSION;
memset (ghdr.spare, '\0', sizeof (ghdr.spare));
write_not_cancel (fd, &ghdr, sizeof (struct gmon_hdr));
/* write PC histogram: */