diff options
Diffstat (limited to 'tools/include/nolibc/arch-s390.h')
| -rw-r--r-- | tools/include/nolibc/arch-s390.h | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/tools/include/nolibc/arch-s390.h b/tools/include/nolibc/arch-s390.h index 5d60fd43f883..df4c3cc713ac 100644 --- a/tools/include/nolibc/arch-s390.h +++ b/tools/include/nolibc/arch-s390.h @@ -5,11 +5,12 @@ #ifndef _NOLIBC_ARCH_S390_H #define _NOLIBC_ARCH_S390_H -#include <asm/signal.h> -#include <asm/unistd.h> +#include <linux/signal.h> +#include <linux/unistd.h> #include "compiler.h" #include "crt.h" +#include "std.h" /* Syscalls for s390: * - registers are 64-bit @@ -139,15 +140,20 @@ }) /* startup code */ -void __attribute__((weak, noreturn, optimize("Os", "omit-frame-pointer"))) __no_stack_protector _start(void) +void __attribute__((weak, noreturn)) __nolibc_entrypoint __no_stack_protector _start(void) { __asm__ volatile ( +#ifdef __s390x__ "lgr %r2, %r15\n" /* save stack pointer to %r2, as arg1 of _start_c */ "aghi %r15, -160\n" /* allocate new stackframe */ +#else + "lr %r2, %r15\n" + "ahi %r15, -96\n" +#endif "xc 0(8,%r15), 0(%r15)\n" /* clear backchain */ "brasl %r14, _start_c\n" /* transfer to c runtime */ ); - __builtin_unreachable(); + __nolibc_entrypoint_epilogue(); } struct s390_mmap_arg_struct { |