user/libc: setjmp

1 files changed, 3 insertions, 10 deletions

diff --git a/src/user/lib/include/setjmp.h b/src/user/lib/include/setjmp.h
index 51c7fd2..298939c 100644
--- a/src/user/lib/include/setjmp.h
+++ b/src/user/lib/include/setjmp.h
@@ -1,24 +1,17 @@
 #pragma once
 #include <user/lib/panic.h>
 
-typedef char jmp_buf[1];
+typedef uint64_t jmp_buf[8]; /* rbx, rsp, rbp, r12, r13, r14, r15, rip */
 typedef char sigjmp_buf[1];
 
-static inline int setjmp(jmp_buf env) {
-	(void)env;
-	return 0;
-}
+int setjmp(jmp_buf env);
+_Noreturn void longjmp(jmp_buf env, int val);
 
 static inline int sigsetjmp(sigjmp_buf env, int savemask) {
 	(void)env; (void)savemask;
 	return 0;
 }
 
-static inline _Noreturn void longjmp(jmp_buf env, int val) {
-	(void)env; (void)val;
-	__libc_panic("unimplemented");
-}
-
 static inline _Noreturn void siglongjmp(sigjmp_buf env, int val) {
 	(void)env; (void)val;
 	__libc_panic("unimplemented");