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Diffstat (limited to 'tools/include/nolibc/arch-s390.h')
-rw-r--r--tools/include/nolibc/arch-s390.h15
1 files changed, 13 insertions, 2 deletions
diff --git a/tools/include/nolibc/arch-s390.h b/tools/include/nolibc/arch-s390.h
index 6b0e54ed543d..516dff5bff8b 100644
--- a/tools/include/nolibc/arch-s390.h
+++ b/tools/include/nolibc/arch-s390.h
@@ -5,8 +5,11 @@
#ifndef _NOLIBC_ARCH_S390_H
#define _NOLIBC_ARCH_S390_H
+#include <asm/signal.h>
#include <asm/unistd.h>
+#include "compiler.h"
+
/* The struct returned by the stat() syscall, equivalent to stat64(). The
* syscall returns 116 bytes and stops in the middle of __unused.
*/
@@ -163,7 +166,7 @@ char **environ __attribute__((weak));
const unsigned long *_auxv __attribute__((weak));
/* startup code */
-void __attribute__((weak,noreturn,optimize("omit-frame-pointer"))) _start(void)
+void __attribute__((weak,noreturn,optimize("omit-frame-pointer"))) __no_stack_protector _start(void)
{
__asm__ volatile (
"lg %r2,0(%r15)\n" /* argument count */
@@ -223,4 +226,12 @@ void *sys_mmap(void *addr, size_t length, int prot, int flags, int fd,
return (void *)my_syscall1(__NR_mmap, &args);
}
#define sys_mmap sys_mmap
-#endif // _NOLIBC_ARCH_S390_H
+
+static __attribute__((unused))
+pid_t sys_fork(void)
+{
+ return my_syscall5(__NR_clone, 0, SIGCHLD, 0, 0, 0);
+}
+#define sys_fork sys_fork
+
+#endif /* _NOLIBC_ARCH_S390_H */