From f378ebf14df0952eae870c9865bab8326aa8f137 Mon Sep 17 00:00:00 2001 From: Dan Albert Date: Wed, 17 Jun 2015 11:09:54 -0700 Subject: Delete old versions of GCC. Change-Id: I710f125d905290e1024cbd67f48299861790c66c --- gcc-4.4.3/libstdc++-v3/libsupc++/eh_arm.cc | 190 ----------------------------- 1 file changed, 190 deletions(-) delete mode 100644 gcc-4.4.3/libstdc++-v3/libsupc++/eh_arm.cc (limited to 'gcc-4.4.3/libstdc++-v3/libsupc++/eh_arm.cc') diff --git a/gcc-4.4.3/libstdc++-v3/libsupc++/eh_arm.cc b/gcc-4.4.3/libstdc++-v3/libsupc++/eh_arm.cc deleted file mode 100644 index 1ce63bd7a..000000000 --- a/gcc-4.4.3/libstdc++-v3/libsupc++/eh_arm.cc +++ /dev/null @@ -1,190 +0,0 @@ -// -*- C++ -*- ARM specific Exception handling support routines. -// Copyright (C) 2004, 2005, 2008, 2009 Free Software Foundation, Inc. -// -// This file is part of GCC. -// -// GCC is free software; you can redistribute it and/or modify -// it under the terms of the GNU General Public License as published by -// the Free Software Foundation; either version 3, or (at your option) -// any later version. -// -// GCC is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// GNU General Public License for more details. -// -// Under Section 7 of GPL version 3, you are granted additional -// permissions described in the GCC Runtime Library Exception, version -// 3.1, as published by the Free Software Foundation. -// -// You should have received a copy of the GNU General Public License and -// a copy of the GCC Runtime Library Exception along with this program; -// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -// . - -#include -#include "unwind-cxx.h" - -#ifdef __ARM_EABI_UNWINDER__ - -using namespace __cxxabiv1; - -// The GCC command-line option "-fvisibility=hidden" apparently fails to hide -// the visibility of the inline assembly function "__cxa_end_cleanup". -// We need to keep the visibility of the __cxa_* functions coherent otherwise -// linking eh_arm.o to resolve __cxa_end_cleanup (eg needed by -frtti -// -fexceptions) will disappoint the linker by exposing __cxa_type_match and -// __cxa_begin_cleanup (eg needed by __aeabi_idiv from libgcc.a). -// Therefore as a simple workaround we just force the visibility to default for -// all these __cxa functions in this module. - -#pragma GCC visibility push(default) - -// Given the thrown type THROW_TYPE, pointer to a variable containing a -// pointer to the exception object THROWN_PTR_P and a type CATCH_TYPE to -// compare against, return whether or not there is a match and if so, -// update *THROWN_PTR_P. - -extern "C" __cxa_type_match_result -__cxa_type_match(_Unwind_Exception* ue_header, - const std::type_info* catch_type, - bool is_reference __attribute__((__unused__)), - void** thrown_ptr_p) -{ - bool forced_unwind = __is_gxx_forced_unwind_class(ue_header->exception_class); - bool foreign_exception = !forced_unwind && !__is_gxx_exception_class(ue_header->exception_class); - bool dependent_exception = - __is_dependent_exception(ue_header->exception_class); - __cxa_exception* xh = __get_exception_header_from_ue(ue_header); - __cxa_dependent_exception *dx = __get_dependent_exception_from_ue(ue_header); - const std::type_info* throw_type; - - if (forced_unwind) - throw_type = &typeid(abi::__forced_unwind); - else if (foreign_exception) - throw_type = &typeid(abi::__foreign_exception); - else if (dependent_exception) - throw_type = __get_exception_header_from_obj - (dx->primaryException)->exceptionType; - else - throw_type = xh->exceptionType; - - void* thrown_ptr = *thrown_ptr_p; - - // Pointer types need to adjust the actual pointer, not - // the pointer to pointer that is the exception object. - // This also has the effect of passing pointer types - // "by value" through the __cxa_begin_catch return value. - if (throw_type->__is_pointer_p()) - thrown_ptr = *(void**) thrown_ptr; - - if (catch_type->__do_catch(throw_type, &thrown_ptr, 1)) - { - *thrown_ptr_p = thrown_ptr; - - if (typeid(*catch_type) == typeid (typeid(void*))) - { - const __pointer_type_info *catch_pointer_type = - static_cast (catch_type); - const __pointer_type_info *throw_pointer_type = - static_cast (throw_type); - - if (typeid (*catch_pointer_type->__pointee) != typeid (void) - && (*catch_pointer_type->__pointee != - *throw_pointer_type->__pointee)) - return ctm_succeeded_with_ptr_to_base; - } - - return ctm_succeeded; - } - - return ctm_failed; -} - -// ABI defined routine called at the start of a cleanup handler. -extern "C" bool -__cxa_begin_cleanup(_Unwind_Exception* ue_header) -{ - __cxa_eh_globals *globals = __cxa_get_globals(); - __cxa_exception *header = __get_exception_header_from_ue(ue_header); - bool native = __is_gxx_exception_class(header->unwindHeader.exception_class); - - - if (native) - { - header->propagationCount++; - // Add it to the chain if this is the first time we've seen this - // exception. - if (header->propagationCount == 1) - { - header->nextPropagatingException = globals->propagatingExceptions; - globals->propagatingExceptions = header; - } - } - else - { - // Remember the exception object, so end_cleanup can return it. - // These cannot be stacked, so we must abort if we already have - // a propagating exception. - if (globals->propagatingExceptions) - std::terminate (); - globals->propagatingExceptions = header; - } - - return true; -} - -// Do the work for __cxa_end_cleanup. Returns the currently propagating -// exception object. -extern "C" _Unwind_Exception * -__gnu_end_cleanup(void) -{ - __cxa_exception *header; - __cxa_eh_globals *globals = __cxa_get_globals(); - - header = globals->propagatingExceptions; - - // Check something hasn't gone horribly wrong. - if (!header) - std::terminate(); - - if (__is_gxx_exception_class(header->unwindHeader.exception_class)) - { - header->propagationCount--; - if (header->propagationCount == 0) - { - // Remove exception from chain. - globals->propagatingExceptions = header->nextPropagatingException; - header->nextPropagatingException = NULL; - } - } - else - globals->propagatingExceptions = NULL; - - return &header->unwindHeader; -} - -// Assembly wrapper to call __gnu_end_cleanup without clobbering r1-r3. -// Also push r4 to preserve stack alignment. -#ifdef __thumb__ -asm (".global __cxa_end_cleanup\n" -" .type __cxa_end_cleanup, \"function\"\n" -" .thumb_func\n" -"__cxa_end_cleanup:\n" -" push\t{r1, r2, r3, r4}\n" -" bl\t__gnu_end_cleanup\n" -" pop\t{r1, r2, r3, r4}\n" -" bl\t_Unwind_Resume @ Never returns\n"); -#else -asm (".global __cxa_end_cleanup\n" -" .type __cxa_end_cleanup, \"function\"\n" -"__cxa_end_cleanup:\n" -" stmfd\tsp!, {r1, r2, r3, r4}\n" -" bl\t__gnu_end_cleanup\n" -" ldmfd\tsp!, {r1, r2, r3, r4}\n" -" bl\t_Unwind_Resume @ Never returns\n"); -#endif - -#pragma GCC visibility pop - -#endif -- cgit v1.2.3