In a later commit, we will start allowing overriding
setjmp/longjmp/initjmp by arch-specific implementations.
Prepare this by marking the existing implementation __weak.
Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>
---
arch/sandbox/os/setjmp.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/sandbox/os/setjmp.c b/arch/sandbox/os/setjmp.c
index 7f686b0fc6e9..cbf1182ed591 100644
--- a/arch/sandbox/os/setjmp.c
+++ b/arch/sandbox/os/setjmp.c
@@ -78,7 +78,7 @@ static void coroutine_trampoline(int signal)
coroutine_bootstrap(tr_state.entry);
}
-int initjmp(_jmp_buf jmp, void (*func)(void), void *stack_top)
+int __attribute__((weak)) initjmp(_jmp_buf jmp, void (*func)(void), void *stack_top)
{
struct sigaction sa;
struct sigaction osa;
@@ -169,12 +169,12 @@ int initjmp(_jmp_buf jmp, void (*func)(void), void *stack_top)
return 0;
}
-int __attribute__((returns_twice)) barebox_setjmp(_jmp_buf jmp)
+int __attribute__((weak,returns_twice)) barebox_setjmp(_jmp_buf jmp)
{
return sigsetjmp(jmp, 0);
}
-void __attribute((noreturn)) barebox_longjmp(_jmp_buf jmp, int ret)
+void __attribute__((weak,noreturn)) barebox_longjmp(_jmp_buf jmp, int ret)
{
siglongjmp(jmp, ret);
}
--
2.39.5
