diff options
Diffstat (limited to 'gcc/ada/init.c')
| -rw-r--r-- | gcc/ada/init.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/ada/init.c b/gcc/ada/init.c index 93e73f5..ad51e2e 100644 --- a/gcc/ada/init.c +++ b/gcc/ada/init.c @@ -2782,10 +2782,16 @@ __gnat_install_handler () void __gnat_adjust_context_for_raise (int signo ATTRIBUTE_UNUSED, void *ucontext) { +#if defined(__arm__) mcontext_t *mcontext = &((ucontext_t *) ucontext)->uc_mcontext; /* ARM Bump has to be an even number because of odd/even architecture. */ ((mcontext_t *) mcontext)->arm_pc += 2; +#endif + + /* Other ports, based on dwarf2 unwinding, typically leverage + kernel CFI coordinated with libgcc's explicit support for signal + frames. */ } static void @@ -2826,8 +2832,14 @@ __gnat_error_handler (int sig, siginfo_t *si, void *ucontext) { __gnat_adjust_context_for_raise (sig, ucontext); + /* The ARM port relies on a sigtramp. Others such as aarch64, + dwarf info based, rely on kernel CFI. */ +#if defined(__arm__) __gnat_sigtramp (sig, (void *) si, (void *) ucontext, (__sigtramphandler_t *)&__gnat_map_signal); +#else + __gnat_map_signal (sig, si, ucontext); +#endif } /* This must be in keeping with System.OS_Interface.Alternate_Stack_Size. */ |