diff options
Diffstat (limited to 'gcc/config/i386/linux.h')
| -rw-r--r-- | gcc/config/i386/linux.h | 31 |
1 files changed, 16 insertions, 15 deletions
diff --git a/gcc/config/i386/linux.h b/gcc/config/i386/linux.h index 63006b3..de634d3 100644 --- a/gcc/config/i386/linux.h +++ b/gcc/config/i386/linux.h @@ -1,5 +1,6 @@ /* Definitions for Intel 386 running Linux-based GNU systems with ELF format. - Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2001 Free Software Foundation, Inc. + Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2001, 2002 + Free Software Foundation, Inc. Contributed by Eric Youngdale. Modified for stabs-in-ELF by H.J. Lu. @@ -167,20 +168,20 @@ Boston, MA 02111-1307, USA. */ #if defined(__PIC__) && defined (USE_GNULIBC_1) /* This is a kludge. The i386 GNU/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. */ - -#define CRT_END_INIT_DUMMY \ - do \ - { \ - extern void *___brk_addr; \ - extern char **__environ; \ - \ - ___brk_addr = __environ; \ - atexit (0); \ - } \ - while (0) + __environ and atexit. We have to make sure they are in the .dynsym + section. We do this by forcing the assembler to create undefined + references to these symbols in the object file. */ +#undef CRT_CALL_STATIC_FUNCTION +#define CRT_CALL_STATIC_FUNCTION(SECTION_OP, FUNC) \ + asm (SECTION_OP "\n\t" \ + "call " USER_LABEL_PREFIX #FUNC "\n" \ + TEXT_SECTION_ASM_OP "\n\t" \ + ".extern ___brk_addr\n\t" \ + ".type ___brk_addr,@object\n\t" \ + ".extern __environ\n\t" \ + ".type __environ,@object\n\t" \ + ".extern atexit\n\t" \ + ".type atexit,@function"); #endif /* Handle special EH pointer encodings. Absolute, pc-relative, and |