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-rw-r--r--sysdeps/s390/s390-32/start.S7
-rw-r--r--sysdeps/s390/s390-64/start.S7
2 files changed, 14 insertions, 0 deletions
diff --git a/sysdeps/s390/s390-32/start.S b/sysdeps/s390/s390-32/start.S
index 07400f1752..66c00f3b0a 100644
--- a/sysdeps/s390/s390-32/start.S
+++ b/sysdeps/s390/s390-32/start.S
@@ -34,6 +34,8 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
+#include <sysdep.h>
+
/*
This is the canonical entry point, usually the first thing in the text
segment. Most registers' values are unspecified, except for:
@@ -57,6 +59,10 @@
.globl _start
.type _start,@function
_start:
+ cfi_startproc
+ /* Mark r14 as undefined in order to stop unwinding here! */
+ cfi_undefined (r14)
+
/* Check if the kernel provides highgprs facility if needed by
the binary. */
@@ -188,6 +194,7 @@ _start:
/* crash if __libc_start_main returns */
.word 0
+ cfi_endproc
.Llit:
#ifndef PIC
.L1: .long __libc_csu_init
diff --git a/sysdeps/s390/s390-64/start.S b/sysdeps/s390/s390-64/start.S
index d8e65450d8..d3e62d2ec7 100644
--- a/sysdeps/s390/s390-64/start.S
+++ b/sysdeps/s390/s390-64/start.S
@@ -34,6 +34,8 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
+#include <sysdep.h>
+
/*
This is the canonical entry point, usually the first thing in the text
segment. Most registers' values are unspecified, except for:
@@ -57,6 +59,9 @@
.globl _start
.type _start,@function
_start:
+ cfi_startproc
+ /* Mark r14 as undefined in order to stop unwinding here! */
+ cfi_undefined (r14)
/* Load argc and argv from stack. */
la %r4,8(%r15) # get argv
lg %r3,0(%r15) # get argc
@@ -91,6 +96,8 @@ _start:
/* Crash if __libc_start_main returns. */
.word 0
+ cfi_endproc
+
/* Define a symbol for the first piece of initialized data. */
.data
.globl __data_start