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Diffstat (limited to 'gcc/cp/exception.cc')
-rw-r--r--gcc/cp/exception.cc26
1 files changed, 21 insertions, 5 deletions
diff --git a/gcc/cp/exception.cc b/gcc/cp/exception.cc
index d0533aa..8e8f35f 100644
--- a/gcc/cp/exception.cc
+++ b/gcc/cp/exception.cc
@@ -117,13 +117,29 @@ __cp_exception_info (void)
return &((*__get_eh_info ())->value);
}
-/* Compiler hook to return a pointer to the info for the current exception.
+#define CP_EH_INFO ((cp_eh_info *) *__get_eh_info ())
+
+/* Old Compiler hook to return a pointer to the info for the current exception.
Used by get_eh_info (). */
extern "C" cp_eh_info *
__cp_eh_info (void)
{
- return *__get_eh_info ();
+ cp_eh_info *p = CP_EH_INFO;
+ return p;
+}
+
+/* Compiler hook to return a pointer to the info for the current exception,
+ Set the caught bit, and increment the number of handlers that are
+ looking at this exception. This makes handlers smaller. */
+
+extern "C" cp_eh_info *
+__start_cp_handler (void)
+{
+ cp_eh_info *p = CP_EH_INFO;
+ p->caught = 1;
+ p->handlers++;
+ return p;
}
/* Allocate a buffer for a cp_eh_info and an exception object of size SIZE,
@@ -242,7 +258,7 @@ __cp_pop_exception (cp_eh_info *p)
extern "C" void
__uncatch_exception (void)
{
- cp_eh_info *p = __cp_eh_info ();
+ cp_eh_info *p = CP_EH_INFO;
if (p == 0)
terminate ();
p->caught = false;
@@ -263,7 +279,7 @@ __uncatch_exception (void)
extern "C" void
__check_eh_spec (int n, const void **spec)
{
- cp_eh_info *p = __cp_eh_info ();
+ cp_eh_info *p = CP_EH_INFO;
for (int i = 0; i < n; ++i)
{
@@ -316,7 +332,7 @@ __throw_bad_typeid (void)
bool
std::uncaught_exception ()
{
- cp_eh_info *p = __cp_eh_info ();
+ cp_eh_info *p = CP_EH_INFO;
return p && ! p->caught;
}