From: Julian Seward <jseward@acm.org>
Date: Tue, 27 Feb 2007 18:37:21 +0000 (+0000)
Subject: Add .eh_frame gunk for VG_(amd64_linux_REDIR_FOR_vgettimeofday) and
X-Git-Tag: svn/VALGRIND_3_3_0~344
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=270b21426d277b3518c83c61b4a21e4756fb3130;p=thirdparty%2Fvalgrind.git

Add .eh_frame gunk for VG_(amd64_linux_REDIR_FOR_vgettimeofday) and
VG_(amd64_linux_REDIR_FOR_vgettimeofday) so they can participate in
stack unwinding.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@6622
---

diff --git a/coregrind/m_trampoline.S b/coregrind/m_trampoline.S
index 56c7743ef1..4ae58e15e0 100644
--- a/coregrind/m_trampoline.S
+++ b/coregrind/m_trampoline.S
@@ -157,16 +157,64 @@ VG_(amd64_linux_SUBST_FOR_rt_sigreturn):
         ud2
 
 .global VG_(amd64_linux_REDIR_FOR_vgettimeofday)
+.type   VG_(amd64_linux_REDIR_FOR_vgettimeofday), @function
 VG_(amd64_linux_REDIR_FOR_vgettimeofday):
+.LfnB2:
         movq    $__NR_gettimeofday, %rax
         syscall
         ret
-
+.LfnE2:
+.size VG_(amd64_linux_REDIR_FOR_vgettimeofday), .-LfnB2
+	
 .global VG_(amd64_linux_REDIR_FOR_vtime)
+.type   VG_(amd64_linux_REDIR_FOR_vtime), @function
 VG_(amd64_linux_REDIR_FOR_vtime):
+.LfnB3:	
         movq    $__NR_time, %rax
         syscall
         ret
+.LfnE3:
+.size VG_(amd64_linux_REDIR_FOR_vtime), .-LfnB3
+
+/* A CIE for the above two functions, followed by their FDEs */
+	.section .eh_frame,"a",@progbits
+.Lframe1:
+        .long   .LEcie1-.LScie1
+.LScie1:
+        .long   0x0
+        .byte   0x1
+        .string "zR"
+        .uleb128 0x1
+        .sleb128 -8
+        .byte   0x10
+        .uleb128 0x1
+        .byte   0x3
+        .byte   0xc
+        .uleb128 0x7
+        .uleb128 0x8
+        .byte   0x90
+        .uleb128 0x1
+        .align 8
+.LEcie1:
+.LSfde2:
+        .long   .LEfde2-.LASfde2
+.LASfde2:
+        .long   .LASfde2-.Lframe1
+        .long   .LfnB2
+        .long   .LfnE2-.LfnB2
+        .uleb128 0x0
+        .align 8
+.LEfde2:
+.LSfde3:
+        .long   .LEfde3-.LASfde3
+.LASfde3:
+        .long   .LASfde3-.Lframe1
+        .long   .LfnB3
+        .long   .LfnE3-.LfnB3
+        .uleb128 0x0
+        .align 8
+.LEfde3:
+	.previous
 
 .global VG_(trampoline_stuff_end)
 VG_(trampoline_stuff_end):