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authorRoland McGrath <roland@gnu.org>2003-03-10 09:12:11 +0000
committerRoland McGrath <roland@gnu.org>2003-03-10 09:12:11 +0000
commit8dd569934c2019dff527f0587f3d809efeec7c03 (patch)
tree56541d1fa27eed805f18da76464f4b1be727adb5 /elf
parente48f96382f237c0edad5c446eca867092406a51d (diff)
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2003-03-10 Roland McGrath <roland@redhat.com>
* dlfcn/Makefile (libdl-routines): Add dladdr1. * dlfcn/dladdr1.c: New file. * dlfcn/dlfcn.h [__USE_GNU]: Declare dladdr1. [__USE_GNU] (RTLD_DL_SYMENT, RTLD_DL_LINKMAP): New enum constants. * elf/dl-addr.c (_dl_addr): Take new args, a struct link_map ** and a const ElfNN_Sym ** to fill in. * include/dlfcn.h: Update decl. Include <link.h>. * dlfcn/dladdr.c (dladdr): Update caller. * malloc/mtrace.c (tr_where): Likewise. * sysdeps/generic/elf/backtracesyms.c: Likewise. * sysdeps/generic/elf/backtracesymsfd.c: Likewise. * dlfcn/Versions (libdl: GLIBC_2.3.3): New set, add dladdr1. * Versions.def (libdl): Define GLIBC_2.3.3 set.
Diffstat (limited to 'elf')
-rw-r--r--elf/dl-addr.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/elf/dl-addr.c b/elf/dl-addr.c
index e560c74..0b8328b 100644
--- a/elf/dl-addr.c
+++ b/elf/dl-addr.c
@@ -1,5 +1,5 @@
/* Locate the shared object symbol nearest a given address.
- Copyright (C) 1996-2000, 2001, 2002 Free Software Foundation, Inc.
+ Copyright (C) 1996-2000,2001,2002,2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -24,7 +24,8 @@
int
internal_function
-_dl_addr (const void *address, Dl_info *info)
+_dl_addr (const void *address, Dl_info *info,
+ struct link_map **mapp, const ElfW(Sym) **symbolp)
{
const ElfW(Addr) addr = DL_LOOKUP_ADDRESS (address);
struct link_map *l, *match;
@@ -93,6 +94,11 @@ _dl_addr (const void *address, Dl_info *info)
|| ELFW(ST_BIND) (symtab->st_info) == STB_WEAK))
matchsym = (ElfW(Sym) *) symtab;
+ if (mapp)
+ *mapp = match;
+ if (symbolp)
+ *symbolp = matchsym;
+
if (matchsym)
{
/* We found a symbol close by. Fill in its name and exact address. */