Fix x86 cfi directives for syscalls.
The syscall generation always used 4 bytes for each push cfi directive.
However, the first push should always use an offset of 8 bytes, each
subsequent push after that is only 4 bytes though.
Change-Id: Ibaabd107f399ef67010b9a08213783957c2f74a9
diff --git a/libc/arch-x86/syscalls/ftruncate.S b/libc/arch-x86/syscalls/ftruncate.S
index 1003077..062982c 100644
--- a/libc/arch-x86/syscalls/ftruncate.S
+++ b/libc/arch-x86/syscalls/ftruncate.S
@@ -4,10 +4,11 @@
ENTRY(ftruncate)
pushl %ebx
- pushl %ecx
.cfi_def_cfa_offset 8
.cfi_rel_offset ebx, 0
- .cfi_rel_offset ecx, 4
+ pushl %ecx
+ .cfi_adjust_cfa_offset 4
+ .cfi_rel_offset ecx, 0
mov 12(%esp), %ebx
mov 16(%esp), %ecx
movl $__NR_ftruncate, %eax