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-rw-r--r--libc/arch-x86/syscalls/readv.S4
1 files changed, 4 insertions, 0 deletions
diff --git a/libc/arch-x86/syscalls/readv.S b/libc/arch-x86/syscalls/readv.S
index ebd9caf..05445c0 100644
--- a/libc/arch-x86/syscalls/readv.S
+++ b/libc/arch-x86/syscalls/readv.S
@@ -6,6 +6,10 @@ ENTRY(readv)
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