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Diffstat (limited to 'libcxxabi/src/cxa_exception.cpp')
-rw-r--r--libcxxabi/src/cxa_exception.cpp19
1 files changed, 7 insertions, 12 deletions
diff --git a/libcxxabi/src/cxa_exception.cpp b/libcxxabi/src/cxa_exception.cpp
index 3e20c16d95d..90e9032d7cb 100644
--- a/libcxxabi/src/cxa_exception.cpp
+++ b/libcxxabi/src/cxa_exception.cpp
@@ -19,21 +19,22 @@
#include <pthread.h>
#include "cxa_exception.hpp"
+#include "cxa_handlers.hpp"
namespace __cxxabiv1 {
static const uint64_t kOurExceptionClass = 0x434C4E47432B2B00; // CLNGC++\0
static const uint64_t kOurDependentExceptionClass = 0x434C4E47432B2B01; // CLNGC++\1
// Utility routines
-static __cxa_exception *exception_from_thrown_object(void *p) throw() {
+static inline __cxa_exception *exception_from_thrown_object(void *p) throw() {
return ((__cxa_exception *) p) - 1;
}
-static void * thrown_object_from_exception(void *p) throw() {
+static inline void * thrown_object_from_exception(void *p) throw() {
return (void *) (((__cxa_exception *) p) + 1 );
}
-static size_t object_size_from_exception_size(size_t size) throw() {
+static inline size_t object_size_from_exception_size(size_t size) throw() {
return size + sizeof (__cxa_exception);
}
@@ -90,7 +91,7 @@ static void do_free(void *ptr) throw() {
return is_fallback_ptr(ptr) ? fallback_free(ptr) : std::free(ptr);
}
-/* Howard says:
+/*
If reason isn't _URC_FOREIGN_EXCEPTION_CAUGHT, then the terminateHandler
stored in exc is called. Otherwise the exceptionDestructor stored in
exc is called, and then the memory for the exception is deallocated.
@@ -98,7 +99,7 @@ static void do_free(void *ptr) throw() {
static void exception_cleanup_func(_Unwind_Reason_Code reason, struct _Unwind_Exception* exc) {
__cxa_exception *exception = exception_from_exception_object(exc);
if (_URC_FOREIGN_EXCEPTION_CAUGHT != reason)
- exception->terminateHandler ();
+ std::__terminate(exception->terminateHandler);
void * thrown_object = thrown_object_from_exception(exception);
if (NULL != exception->exceptionDestructor)
@@ -115,7 +116,7 @@ static LIBCXXABI_NORETURN void failed_throw(__cxa_exception *exception) throw()
// a handler must call:
// * void *__cxa_begin_catch(void *exceptionObject );
(void) __cxa_begin_catch(&exception->unwindHeader);
- std::terminate();
+ std::__terminate(exception->terminateHandler);
}
extern "C" {
@@ -150,7 +151,6 @@ void * __cxa_allocate_dependent_exception () throw() {
if (NULL == ptr)
std::terminate();
std::memset(ptr, 0, actual_size);
-// bookkeeping here ?
return ptr;
}
@@ -158,7 +158,6 @@ void * __cxa_allocate_dependent_exception () throw() {
// This function shall free a dependent_exception.
// It does not affect the reference count of the primary exception.
void __cxa_free_dependent_exception (void * dependent_exception) throw() {
-// I'm pretty sure there's no bookkeeping here
do_free(dependent_exception);
}
@@ -228,11 +227,7 @@ void * __cxa_begin_catch(void * exceptionObject) throw() {
__cxa_eh_globals *globals = __cxa_get_globals();
__cxa_exception *exception = exception_from_exception_object(exceptionObject);
-// TODO add stuff for dependent exceptions.
-
-// TODO - should this be atomic?
// Increment the handler count, removing the flag about being rethrown
-// assert(exception->handlerCount != 0);
exception->handlerCount = exception->handlerCount < 0 ?
-exception->handlerCount + 1 : exception->handlerCount + 1;
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