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2003-03-19  Ulrich Drepper  <drepper@redhat.com>

	* Makefile (distribute): Add include/atomic.h and bits/atomic.h.
	* include/atomic.h: New file.
	* sysdeps/i386/i486/bits/atomic.h: New file.
	* sysdeps/x86_64/bits/atomic.h: New file.
	* sysdeps/s390/bits/atomic.h: New file.
	* sysdeps/sh/bits/atomic.h: New file.
	* sysdeps/ia64/bits/atomic.h: New file.
	* sysdeps/powerpc/bits/atomic.h: New file.
	* sysdeps/generic/bits/atomic.h: New file.
	* sysdeps/i386/i486/atomicity.h: Removed.
	* sysdeps/x86_64/atomicity.h: Removed.
	* sysdeps/s390/s390-32/atomicity.h: Removed.
	* sysdeps/s390/s390-64/atomicity.h: Removed.
	* sysdeps/ia64/atomicity.h: Removed.
	* sysdeps/powerpc/powerpc32/atomicity.h: Removed.
	* sysdeps/powerpc/powerpc64/atomicity.h: Removed.
	* elf/dl-profile.c: Use atomic.h instead of atomicity.h.  Adjust
	use of macros from atomicity.h to new names and semantics.
	* gmon_mcount.c: Likewise.
	* malloc/set-freeres.c: Likewise.
	* nscd/cache.c: Likewise.
	* stdlib/cxa_finalize.c: Likewise.
	* sysdeps/unix/sysv/linux/getsysstats.c: Likewise.

	* sysdeps/mips/ieee754.h: New file, suitable to replace both
	* stdlib/strtod.c (INTERNAL): While eating trailing zeros handle
This commit is contained in:
Ulrich Drepper
2003-03-20 07:19:17 +00:00
parent 85b5767c57
commit 4009bf4044
25 changed files with 91 additions and 575 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
elf/dl-profile.c
View File

@@ -1,5 +1,5 @@
/* Profiling of shared libraries.
Copyright (C) 1997,1998,1999,2000,2001,2002 Free Software Foundation, Inc.
Copyright (C) 1997-2002, 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
Based on the BSD mcount implementation.
@@ -34,7 +34,7 @@
#include <sys/mman.h>
#include <sys/param.h>
#include <sys/stat.h>
#include <atomicity.h>
#include <atomic.h>
/* The LD_PROFILE feature has to be implemented different to the
normal profiling using the gmon/ functions. The problem is that an
@@ -516,24 +516,24 @@ _dl_mcount (ElfW(Addr) frompc, ElfW(Addr) selfpc)
size_t newfromidx;
to_index = (data[narcs].self_pc
/ (hashfraction * sizeof (*tos)));
newfromidx = exchange_and_add (&fromidx, 1) + 1;
newfromidx = atomic_exchange_and_add (&fromidx, 1) + 1;
froms[newfromidx].here = &data[narcs];
froms[newfromidx].link = tos[to_index];
tos[to_index] = newfromidx;
atomic_add (&narcs, 1);
atomic_increment (&narcs);
}
/* If we still have no entry stop searching and insert. */
if (*topcindex == 0)
{
uint_fast32_t newarc = exchange_and_add (narcsp, 1);
uint_fast32_t newarc = atomic_exchange_and_add (narcsp, 1);
/* In rare cases it could happen that all entries in FROMS are
occupied. So we cannot count this anymore. */
if (newarc >= fromlimit)
goto done;
*topcindex = exchange_and_add (&fromidx, 1) + 1;
*topcindex = atomic_exchange_and_add (&fromidx, 1) + 1;
fromp = &froms[*topcindex];
fromp->here = &data[newarc];
@@ -541,7 +541,7 @@ _dl_mcount (ElfW(Addr) frompc, ElfW(Addr) selfpc)
data[newarc].self_pc = selfpc;
data[newarc].count = 0;
fromp->link = 0;
atomic_add (&narcs, 1);
atomic_increment (&narcs);
break;
}
@@ -554,7 +554,7 @@ _dl_mcount (ElfW(Addr) frompc, ElfW(Addr) selfpc)
}
/* Increment the counter. */
atomic_add (&fromp->here->count, 1);
atomic_increment (&fromp->here->count);
done:
;