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| author | Ulrich Drepper <drepper@redhat.com> | 2004-08-13 18:52:51 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2004-08-13 18:52:51 +0000 |
| commit | b8b9340e6f26ef1b19c983fa481b75fd12c01d1b (patch) | |
| tree | 22cce793a9c8b1da77853a12a5ee9e410ba18c8b | |
| parent | eba19d2be7678d6ec4f448919d05a89c0e8294cc (diff) | |
| download | glibc-b8b9340e6f26ef1b19c983fa481b75fd12c01d1b.zip glibc-b8b9340e6f26ef1b19c983fa481b75fd12c01d1b.tar.gz glibc-b8b9340e6f26ef1b19c983fa481b75fd12c01d1b.tar.bz2 | |
Update.
non-hidden over hidden symbols and strong over weak symbols
if both don't start with '_'.
| -rw-r--r-- | ChangeLog | 3 | ||||
| -rw-r--r-- | elf/sprof.c | 18 |
2 files changed, 15 insertions, 6 deletions
@@ -1,7 +1,8 @@ 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 '_'. + non-hidden over hidden symbols and strong over weak symbols + if both don't start with '_'. * malloc/malloc.c: Use strong_alias instead of weak_alias wherever possible. diff --git a/elf/sprof.c b/elf/sprof.c index 458a090..1a4b068 100644 --- a/elf/sprof.c +++ b/elf/sprof.c @@ -28,6 +28,7 @@ #include <locale.h> #include <obstack.h> #include <search.h> +#include <stdbool.h> #include <stdio.h> #include <stdlib.h> #include <string.h> @@ -148,7 +149,8 @@ struct known_symbol const char *name; uintptr_t addr; size_t size; - int weak; + bool weak; + bool hidden; uintmax_t ticks; uintmax_t calls; @@ -940,6 +942,8 @@ read_symbols (struct shobj *shobj) newsym->addr = sym->st_value; newsym->size = sym->st_size; newsym->weak = ELFW(ST_BIND) (sym->st_info) == STB_WEAK; + newsym->hidden = (ELFW(ST_VISIBILITY) (sym->st_other) + != STV_DEFAULT); newsym->ticks = 0; newsym->calls = 0; @@ -954,9 +958,10 @@ 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)->hidden && !newsym->hidden) + || ((*existp)->name[0] == '_' && newsym->name[0] != '_') || ((*existp)->name[0] != '_' && newsym->name[0] != '_' - && (*existp)->weak && !newsym->weak)) + && ((*existp)->weak && !newsym->weak))) *existp = newsym; else /* We don't need the allocated memory. */ @@ -995,6 +1000,8 @@ read_symbols (struct shobj *shobj) newsym->addr = symtab->st_value; newsym->size = symtab->st_size; newsym->weak = ELFW(ST_BIND) (symtab->st_info) == STB_WEAK; + newsym->hidden = (ELFW(ST_VISIBILITY) (symtab->st_other) + != STV_DEFAULT); newsym->ticks = 0; newsym->froms = NULL; newsym->tos = NULL; @@ -1010,9 +1017,10 @@ 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)->hidden && !newsym->hidden) + || ((*existp)->name[0] == '_' && newsym->name[0] != '_') || ((*existp)->name[0] != '_' && newsym->name[0] != '_' - && (*existp)->weak && !newsym->weak)) + && ((*existp)->weak && !newsym->weak))) *existp = newsym; else /* We don't need the allocated memory. */ |