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authorUlrich Drepper <drepper@redhat.com>2004-08-13 18:39:44 +0000
committerUlrich Drepper <drepper@redhat.com>2004-08-13 18:39:44 +0000
commiteba19d2be7678d6ec4f448919d05a89c0e8294cc (patch)
treeb2a617d2b5b2685253916fac1e16d6a656350782
parent5b6f86b37479ca44fd04cde915fe6ecf3a906dd1 (diff)
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Update.
2004-08-13 Ulrich Drepper <drepper@redhat.com> * elf/sprof.c (read_symbols): When comparing aliases, prefer strong over weak symbols if both don't start with '_'. * malloc/malloc.c: Use strong_alias instead of weak_alias wherever possible.
-rw-r--r--ChangeLog8
-rw-r--r--elf/sprof.c11
-rw-r--r--malloc/malloc.c22
3 files changed, 29 insertions, 12 deletions
diff --git a/ChangeLog b/ChangeLog
index c5763af..8b5a2ea 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2004-08-13 Ulrich Drepper <drepper@redhat.com>
+
+ * elf/sprof.c (read_symbols): When comparing aliases, prefer
+ strong over weak symbols if both don't start with '_'.
+
+ * malloc/malloc.c: Use strong_alias instead of weak_alias wherever
+ possible.
+
2004-08-12 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/bits/resource.h: Define non-standard
diff --git a/elf/sprof.c b/elf/sprof.c
index 9ba28bc..458a090 100644
--- a/elf/sprof.c
+++ b/elf/sprof.c
@@ -148,6 +148,7 @@ struct known_symbol
const char *name;
uintptr_t addr;
size_t size;
+ int weak;
uintmax_t ticks;
uintmax_t calls;
@@ -938,6 +939,7 @@ read_symbols (struct shobj *shobj)
newsym->name = &shobj->strtab[sym->st_name];
newsym->addr = sym->st_value;
newsym->size = sym->st_size;
+ newsym->weak = ELFW(ST_BIND) (sym->st_info) == STB_WEAK;
newsym->ticks = 0;
newsym->calls = 0;
@@ -952,7 +954,9 @@ read_symbols (struct shobj *shobj)
{
/* The function is already defined. See whether we have
a better name here. */
- if ((*existp)->name[0] == '_' && newsym->name[0] != '_')
+ if (((*existp)->name[0] == '_' && newsym->name[0] != '_')
+ || ((*existp)->name[0] != '_' && newsym->name[0] != '_'
+ && (*existp)->weak && !newsym->weak))
*existp = newsym;
else
/* We don't need the allocated memory. */
@@ -990,6 +994,7 @@ read_symbols (struct shobj *shobj)
newsym->name = &strtab[symtab->st_name];
newsym->addr = symtab->st_value;
newsym->size = symtab->st_size;
+ newsym->weak = ELFW(ST_BIND) (symtab->st_info) == STB_WEAK;
newsym->ticks = 0;
newsym->froms = NULL;
newsym->tos = NULL;
@@ -1005,7 +1010,9 @@ read_symbols (struct shobj *shobj)
{
/* The function is already defined. See whether we have
a better name here. */
- if ((*existp)->name[0] == '_' && newsym->name[0] != '_')
+ if (((*existp)->name[0] == '_' && newsym->name[0] != '_')
+ || ((*existp)->name[0] != '_' && newsym->name[0] != '_'
+ && (*existp)->weak && !newsym->weak))
*existp = newsym;
else
/* We don't need the allocated memory. */
diff --git a/malloc/malloc.c b/malloc/malloc.c
index 6cac7d4..6e6c105 100644
--- a/malloc/malloc.c
+++ b/malloc/malloc.c
@@ -5439,16 +5439,18 @@ __posix_memalign (void **memptr, size_t alignment, size_t size)
}
weak_alias (__posix_memalign, posix_memalign)
-weak_alias (__libc_calloc, __calloc) weak_alias (__libc_calloc, calloc)
-weak_alias (__libc_free, __cfree) weak_alias (__libc_free, cfree)
-weak_alias (__libc_free, __free) weak_alias (__libc_free, free)
-weak_alias (__libc_malloc, __malloc) weak_alias (__libc_malloc, malloc)
-weak_alias (__libc_memalign, __memalign) weak_alias (__libc_memalign, memalign)
-weak_alias (__libc_realloc, __realloc) weak_alias (__libc_realloc, realloc)
-weak_alias (__libc_valloc, __valloc) weak_alias (__libc_valloc, valloc)
-weak_alias (__libc_pvalloc, __pvalloc) weak_alias (__libc_pvalloc, pvalloc)
-weak_alias (__libc_mallinfo, __mallinfo) weak_alias (__libc_mallinfo, mallinfo)
-weak_alias (__libc_mallopt, __mallopt) weak_alias (__libc_mallopt, mallopt)
+strong_alias (__libc_calloc, __calloc) weak_alias (__libc_calloc, calloc)
+strong_alias (__libc_free, __cfree) weak_alias (__libc_free, cfree)
+strong_alias (__libc_free, __free) strong_alias (__libc_free, free)
+strong_alias (__libc_malloc, __malloc) strong_alias (__libc_malloc, malloc)
+strong_alias (__libc_memalign, __memalign)
+weak_alias (__libc_memalign, memalign)
+strong_alias (__libc_realloc, __realloc) strong_alias (__libc_realloc, realloc)
+strong_alias (__libc_valloc, __valloc) weak_alias (__libc_valloc, valloc)
+strong_alias (__libc_pvalloc, __pvalloc) weak_alias (__libc_pvalloc, pvalloc)
+strong_alias (__libc_mallinfo, __mallinfo)
+weak_alias (__libc_mallinfo, mallinfo)
+strong_alias (__libc_mallopt, __mallopt) weak_alias (__libc_mallopt, mallopt)
weak_alias (__malloc_stats, malloc_stats)
weak_alias (__malloc_usable_size, malloc_usable_size)