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* sysdeps/x86_64/elf/start.S: Include <sysdep.h>.

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(_start): Add cfi_startproc, cfi_undefined for rip and cfi_endproc.
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Jan Kratochvil 2012-03-16 20:49:23 +01:00 committed by Andreas Jaeger
parent 10a803e0a2
commit 6a1bd2a100
2 changed files with 11 additions and 1 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2012-03-16 Jan Kratochvil <jan.kratochvil@redhat.com>
* sysdeps/x86_64/elf/start.S: Include <sysdep.h>.
(_start): Add cfi_startproc, cfi_undefined for rip and cfi_endproc.
2012-03-16 Roland McGrath <roland@hack.frob.com>
* aclocal.m4 (LIBC_PRECONFIGURE): New macro.

7
sysdeps/x86_64/elf/start.S
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@ -1,5 +1,5 @@
/* Startup code compliant to the ELF x86-64 ABI.
Copyright (C) 2001, 2002, 2003, 2005 Free Software Foundation, Inc.
Copyright (C) 2001-2012 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Andreas Jaeger <aj@suse.de>, 2001.
@ -53,12 +53,16 @@
NULL
*/
#include <sysdep.h>
#include "bp-sym.h"
.text
.globl _start
.type _start,@function
_start:
cfi_startproc
/* Clearing frame pointer is insufficient, use CFI. */
cfi_undefined (rip)
/* Clear the frame pointer. The ABI suggests this be done, to mark
the outermost frame obviously. */
xorl %ebp, %ebp
@ -113,6 +117,7 @@ _start:
#endif
hlt /* Crash if somehow `exit' does return. */
cfi_endproc
/* Define a symbol for the first piece of initialized data. */
.data