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 56c7743ef186e793535bd9b0d397c4b85384e246..4ae58e15e0180e0ada135b98565a1c4a1fb2c74b 100644 (file)
--- 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):