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-rw-r--r--gcc/ada/init.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/gcc/ada/init.c b/gcc/ada/init.c
index 4db5789..e28b264 100644
--- a/gcc/ada/init.c
+++ b/gcc/ada/init.c
@@ -304,6 +304,25 @@ __gnat_install_handler (void)
#include <signal.h>
#include <sys/ucontext.h>
+#if defined(__ia64__)
+#include <sys/uc_access.h>
+#define HAVE_GNAT_ADJUST_CONTEXT_FOR_RAISE
+
+void
+__gnat_adjust_context_for_raise (int signo ATTRIBUTE_UNUSED, void *ucontext)
+{
+ ucontext_t *uc = (ucontext_t *) ucontext;
+ uint64_t ip;
+
+ /* Adjust on itanium, as GetIPInfo is not supported. */
+ __uc_get_ip (uc, &ip);
+ __uc_set_ip (uc, ip + 1);
+}
+#endif /* __ia64__ */
+
+/* Tasking and Non-tasking signal handler. Map SIGnal to Ada exception
+ propagation after the required low level adjustments. */
+
static void
__gnat_error_handler (int sig,
siginfo_t *si ATTRIBUTE_UNUSED,
@@ -312,6 +331,10 @@ __gnat_error_handler (int sig,
struct Exception_Data *exception;
const char *msg;
+#if defined(__ia64__)
+ __gnat_adjust_context_for_raise (sig, ucontext);
+#endif
+
switch (sig)
{
case SIGSEGV: