From 8dd569934c2019dff527f0587f3d809efeec7c03 Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Mon, 10 Mar 2003 09:12:11 +0000 Subject: 2003-03-10 Roland McGrath * 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 . * 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. --- dlfcn/dladdr1.c | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 dlfcn/dladdr1.c (limited to 'dlfcn/dladdr1.c') diff --git a/dlfcn/dladdr1.c b/dlfcn/dladdr1.c new file mode 100644 index 0000000000..51b53b5861 --- /dev/null +++ b/dlfcn/dladdr1.c @@ -0,0 +1,35 @@ +/* Locate the shared object symbol nearest a given address. + Copyright (C) 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 + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include + +int +dladdr1 (const void *address, Dl_info *info, void **extra, int flags) +{ + switch (flags) + { + default: /* Make this an error? */ + case 0: + return _dl_addr (address, info, NULL, NULL); + case RTLD_DL_SYMENT: + return _dl_addr (address, info, NULL, (const ElfW(Sym) **) extra); + case RTLD_DL_LINKMAP: + return _dl_addr (address, info, (struct link_map **) extra, NULL); + } +} -- cgit 1.4.1