From 16495f81270e72edf3a8faae19dd0e0b22373cf1 Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Fri, 23 Aug 2002 10:35:03 +0000 Subject: * sysdeps/i386/dl-machine.h (elf_machine_load_address): Add a dummy global variable reference in an unused asm parameter, to ensure the compiler has set up the GOT register before we use it. --- sysdeps/i386/dl-machine.h | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'sysdeps/i386/dl-machine.h') diff --git a/sysdeps/i386/dl-machine.h b/sysdeps/i386/dl-machine.h index 8092e889b0..09c1a9b6a4 100644 --- a/sysdeps/i386/dl-machine.h +++ b/sysdeps/i386/dl-machine.h @@ -49,10 +49,14 @@ elf_machine_dynamic (void) static inline Elf32_Addr __attribute__ ((unused)) elf_machine_load_address (void) { + /* It doesn't matter what variable this is, the reference never makes + it to assembly. We need a dummy reference to some global variable + via the GOT to make sure the compiler initialized %ebx in time. */ + extern int _dl_argc; Elf32_Addr addr; asm ("leal _dl_start@GOTOFF(%%ebx), %0\n" "subl _dl_start@GOT(%%ebx), %0" - : "=r" (addr) : : "cc"); + : "=r" (addr) : "m" (_dl_argc) : "cc"); return addr; } -- cgit 1.4.1