commit e4bc7561219ddb7cfb7b33f731caa92a7766b9ca
author Christopher Ferris <cferris@google.com> Mon Jan 06 16:39:10 2014 -0800
committer Christopher Ferris <cferris@google.com> Mon Jan 06 16:39:10 2014 -0800
tree dbb5c65c0e813f2f3035ffe05ee7e58dabd4fbb3
parent c1c3f7d4468f02adbf8ced689d738386e42af773

Add cfi directives to x86 syscalls.

Modify the syscalls script to generate the cfi directives for x86
syscalls.

Update the x86 syscalls.

Change-Id: Ia1993dc714a7e79f917087fff8200e9a02c52603

libc/arch-x86/syscalls/writev.S

diff --git a/libc/arch-x86/syscalls/writev.S b/libc/arch-x86/syscalls/writev.S
index f7e8a93..ab8e705 100644
--- a/libc/arch-x86/syscalls/writev.S
+++ b/libc/arch-x86/syscalls/writev.S
@@ -6,6 +6,10 @@
     pushl   %ebx
     pushl   %ecx
     pushl   %edx
+    .cfi_def_cfa_offset 12
+    .cfi_rel_offset ebx, 0
+    .cfi_rel_offset ecx, 4
+    .cfi_rel_offset edx, 8
     mov     16(%esp), %ebx
     mov     20(%esp), %ecx
     mov     24(%esp), %edx