From 0ecb606cb6cf65de1d9fc8a919bceb4be476c602 Mon Sep 17 00:00:00 2001
From: Jakub Jelinek <jakub@redhat.com>
Date: Thu, 12 Jul 2007 18:26:36 +0000
Subject: 2.5-18.1

---
 sysdeps/i386/sysdep.h | 37 +++++++++++++++++++++++++++++++++++--
 1 file changed, 35 insertions(+), 2 deletions(-)

(limited to 'sysdeps/i386/sysdep.h')

diff --git a/sysdeps/i386/sysdep.h b/sysdeps/i386/sysdep.h
index e955b43f95..2739cb00b3 100644
--- a/sysdeps/i386/sysdep.h
+++ b/sysdeps/i386/sysdep.h
@@ -1,5 +1,5 @@
 /* Assembler macros for i386.
-   Copyright (C) 1991,92,93,95,96,98,2002,2003 Free Software Foundation, Inc.
+   Copyright (C) 1991-93,95,96,98,2002,2003,2005 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
@@ -57,10 +57,12 @@
   .align ALIGNARG(4);							      \
   STABS_FUN(name)							      \
   C_LABEL(name)								      \
+  cfi_startproc;							      \
   CALL_MCOUNT
 
 #undef	END
 #define END(name)							      \
+  cfi_endproc;								      \
   ASM_SIZE_DIRECTIVE(name)						      \
   STABS_FUN_END(name)
 
@@ -92,7 +94,9 @@
 /* The mcount code relies on a normal frame pointer being on the stack
    to locate our caller, so push one just for its benefit.  */
 #define CALL_MCOUNT \
-  pushl %ebp; movl %esp, %ebp; call JUMPTARGET(mcount); popl %ebp;
+  pushl %ebp; cfi_adjust_cfa_offset (4); movl %esp, %ebp; \
+  cfi_def_cfa_register (ebp); call JUMPTARGET(mcount); \
+  popl %ebp; cfi_def_cfa (esp, 4);
 #else
 #define CALL_MCOUNT		/* Do nothing.  */
 #endif
@@ -122,9 +126,38 @@ lose: SYSCALL_PIC_SETUP							      \
 #define JUMPTARGET(name)	name##@PLT
 #define SYSCALL_PIC_SETUP \
     pushl %ebx;								      \
+    cfi_adjust_cfa_offset (4);						      \
     call 0f;								      \
 0:  popl %ebx;								      \
+    cfi_adjust_cfa_offset (-4);						      \
     addl $_GLOBAL_OFFSET_TABLE+[.-0b], %ebx;
+
+# ifndef HAVE_HIDDEN
+#  define SETUP_PIC_REG(reg) \
+  call 1f;								      \
+  .subsection 1;							      \
+1:movl (%esp), %e##reg;							      \
+  ret;									      \
+  .previous
+# else
+#  define SETUP_PIC_REG(reg) \
+  .ifndef __i686.get_pc_thunk.reg;					      \
+  .section .gnu.linkonce.t.__i686.get_pc_thunk.reg,"ax",@progbits;	      \
+  .globl __i686.get_pc_thunk.reg;					      \
+  .hidden __i686.get_pc_thunk.reg;					      \
+  .type __i686.get_pc_thunk.reg,@function;				      \
+__i686.get_pc_thunk.reg:						      \
+  movl (%esp), %e##reg;							      \
+  ret;									      \
+  .size __i686.get_pc_thunk.reg, . - __i686.get_pc_thunk.reg;		      \
+  .previous;								      \
+  .endif;								      \
+  call __i686.get_pc_thunk.reg
+# endif
+
+# define LOAD_PIC_REG(reg) \
+  SETUP_PIC_REG(reg); addl $_GLOBAL_OFFSET_TABLE_, %e##reg
+
 #else
 #define JUMPTARGET(name)	name
 #define SYSCALL_PIC_SETUP	/* Nothing.  */
-- 
cgit 1.4.1