diff options
Diffstat (limited to 'tools/include/nolibc/arch-s390.h')
| -rw-r--r-- | tools/include/nolibc/arch-s390.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/include/nolibc/arch-s390.h b/tools/include/nolibc/arch-s390.h index b58f64d47b82..039b454e79f0 100644 --- a/tools/include/nolibc/arch-s390.h +++ b/tools/include/nolibc/arch-s390.h @@ -159,6 +159,8 @@ struct sys_stat_struct { _arg1; \ }) +char **environ __attribute__((weak)); + /* startup code */ void __attribute__((weak,noreturn,optimize("omit-frame-pointer"))) _start(void) { @@ -174,6 +176,8 @@ void __attribute__((weak,noreturn,optimize("omit-frame-pointer"))) _start(void) "la %r4,8(%r4)\n" /* advance pointer */ "jnz 0b\n" /* no -> test next pointer */ /* yes -> r4 now contains start of envp */ + "larl %r1,environ\n" + "stg %r4,0(%r1)\n" "aghi %r15,-160\n" /* allocate new stackframe */ "xc 0(8,%r15),0(%r15)\n" /* clear backchain */ |