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| author | Richard Kenner <kenner@gcc.gnu.org> | 1994-12-08 13:49:36 -0500 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1994-12-08 13:49:36 -0500 |
| commit | bced43dd6ca22ea9d76ed6b5cd75e2f8f6af4972 (patch) | |
| tree | dba17a0f8a12fa409a181119304f0ea987eeb120 /gcc/crtstuff.c | |
| parent | 38d8473fbb1188149c6824a92ddebf34f06a56f2 (diff) | |
| download | gcc-bced43dd6ca22ea9d76ed6b5cd75e2f8f6af4972.zip gcc-bced43dd6ca22ea9d76ed6b5cd75e2f8f6af4972.tar.gz gcc-bced43dd6ca22ea9d76ed6b5cd75e2f8f6af4972.tar.bz2 | |
(CRT_END): Add dummy refs to ___brk_addr, __environ and atexit if
__linux__ and __PIC__ defined.
From-SVN: r8626
Diffstat (limited to 'gcc/crtstuff.c')
| -rw-r--r-- | gcc/crtstuff.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/gcc/crtstuff.c b/gcc/crtstuff.c index bf1ddb4..b10a87a 100644 --- a/gcc/crtstuff.c +++ b/gcc/crtstuff.c @@ -3,7 +3,7 @@ Written by Ron Guilmette (rfg@netcom.com) with help from Richard Stallman. -Copyright (C) 1991 Free Software Foundation, Inc. +Copyright (C) 1991, 1994 Free Software Foundation, Inc. This file is part of GNU CC. @@ -235,6 +235,21 @@ init_dummy () FORCE_INIT_SECTION_ALIGN; #endif asm (TEXT_SECTION_ASM_OP); + +/* This is a kludge. The Linux dynamic linker needs ___brk_addr, __environ + and atexit (). We have to make sure they are in the .dynsym section. We + accomplish it by making a dummy call here. This + code is never reached. */ + +#if defined(__linux__) && defined(__PIC__) + { + extern void *___brk_addr; + extern char **__environ; + + ___brk_addr = __environ; + atexit (); + } +#endif } #else /* OBJECT_FORMAT_ELF */ |