From: Andreas Jaeger <aj@suse.de>
Date: Wed, 7 May 2003 13:38:40 +0000 (+0000)
Subject: Add DWARF2 unwind information.
X-Git-Tag: upstream/2.30~19291
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c99876181c11c8a2df40eed8dc95c0d659044410;p=external%2Fglibc.git

Add DWARF2 unwind information.
---

diff --git a/sysdeps/unix/sysv/linux/x86_64/syscall.S b/sysdeps/unix/sysv/linux/x86_64/syscall.S
index 03144ce..4865836 100644
--- a/sysdeps/unix/sysv/linux/x86_64/syscall.S
+++ b/sysdeps/unix/sysv/linux/x86_64/syscall.S
@@ -28,7 +28,7 @@
 
 	.text
 ENTRY (syscall)
-
+.LFB1:
 	movq %rdi, %rax		/* Syscall number -> rax.  */
 	movq %rsi, %rdi		/* shift arg1 - arg5.  */
 	movq %rdx, %rsi
@@ -39,6 +39,33 @@ ENTRY (syscall)
 	cmpq $-4095, %rax	/* Check %rax for error.  */
 	jae SYSCALL_ERROR_LABEL	/* Jump to error handler if error.  */
 L(pseudo_end):
+.LFE1:
 	ret			/* Return to caller.  */
 
 PSEUDO_END (syscall)
+
+        .section        .eh_frame,"aw",@progbits
+.Lframe1:
+        .long   .LECIE1-.LSCIE1 # Length of Common Information Entry
+.LSCIE1:
+        .long   0x0     # CIE Identifier Tag
+        .byte   0x1     # CIE Version
+        .ascii "\0"     # CIE Augmentation
+        .uleb128 0x1    # CIE Code Alignment Factor
+        .sleb128 -8     # CIE Data Alignment Factor
+        .byte   0x10    # CIE RA Column
+        .byte   0xc     # DW_CFA_def_cfa
+        .uleb128 0x7
+        .uleb128 0x8
+        .byte   0x90    # DW_CFA_offset, column 0x10
+        .uleb128 0x1
+        .align 8
+.LECIE1:
+.LSFDE1:
+        .long   .LEFDE1-.LASFDE1        # FDE Length
+.LASFDE1:
+        .long   .LASFDE1-.Lframe1       # FDE CIE offset
+        .quad   .LFB1   # FDE initial location
+        .quad   .LFE1-.LFB1     # FDE address range
+        .align 8
+.LEFDE1: