diff options
Diffstat (limited to 'gcc/cp/exception.cc')
-rw-r--r-- | gcc/cp/exception.cc | 27 |
1 files changed, 16 insertions, 11 deletions
diff --git a/gcc/cp/exception.cc b/gcc/cp/exception.cc index 461dba4..b081fa7 100644 --- a/gcc/cp/exception.cc +++ b/gcc/cp/exception.cc @@ -86,9 +86,7 @@ std::unexpected () struct cp_eh_info { -#ifdef NEW_EH_MODEL __eh_info eh_info; -#endif void *value; void *type; void (*cleanup)(void *, int); @@ -105,11 +103,23 @@ extern "C" cp_eh_info **__get_eh_info (); // actually void ** extern bool __is_pointer (void *); + +/* OLD Compiler hook to return a pointer to the info for the current exception. + Used by get_eh_info (). This fudges the actualy returned value to + point to the beginning of what USE to be the cp_eh_info structure. + THis is so that old code that dereferences this pointer will find + things where it expects it to be.*/ +extern "C" void * +__cp_exception_info (void) +{ + return &((*__get_eh_info ())->value); +} + /* Compiler hook to return a pointer to the info for the current exception. Used by get_eh_info (). */ extern "C" cp_eh_info * -__cp_exception_info (void) +__cp_eh_info (void) { return *__get_eh_info (); } @@ -138,8 +148,6 @@ __eh_free (void *p) } -#ifdef NEW_EH_MODEL - typedef void * (* rtimetype) (void); extern "C" void * @@ -157,7 +165,6 @@ __cplus_type_matcher (cp_eh_info *info, exception_table *matching_info, ret = __throw_type_match_rtti (match_type, info->type, info->value); return ret; } -#endif /* Compiler hook to push a new exception onto the stack. @@ -174,12 +181,10 @@ __cp_push_exception (void *value, void *type, void (*cleanup)(void *, int)) p->handlers = 0; p->caught = false; -#ifdef NEW_EH_MODEL p->eh_info.match_function = __cplus_type_matcher; p->eh_info.language = EH_LANG_C_plus_plus; p->eh_info.version = 1; p->eh_info.coerced_value = NULL; -#endif cp_eh_info **q = __get_eh_info (); @@ -227,7 +232,7 @@ __cp_pop_exception (cp_eh_info *p) extern "C" void __uncatch_exception (void) { - cp_eh_info *p = __cp_exception_info (); + cp_eh_info *p = __cp_eh_info (); if (p == 0) terminate (); p->caught = false; @@ -248,7 +253,7 @@ __uncatch_exception (void) extern "C" void __check_eh_spec (int n, const void **spec) { - cp_eh_info *p = __cp_exception_info (); + cp_eh_info *p = __cp_eh_info (); for (int i = 0; i < n; ++i) { @@ -301,7 +306,7 @@ __throw_bad_typeid (void) bool std::uncaught_exception () { - cp_eh_info *p = __cp_exception_info (); + cp_eh_info *p = __cp_eh_info (); return p && ! p->caught; } |