mirror of
https://gcc.gnu.org/git/gcc.git
synced 2024-12-25 03:55:32 +08:00
f1a6626519
2004-10-25 Geoffrey Keating <geoffk@apple.com> * config/darwin.h (LINK_SPEC): Default weak_reference_mismatches to 'non-weak'. (MAKE_DECL_ONE_ONLY): Set DECL_WEAK. (ASM_MAKE_LABEL_LINKONCE): Delete. (ASM_WEAKEN_DECL): New. (ASM_DECLARE_OBJECT_NAME): Look at DECL_WEAK not DECL_ONE_ONLY. (ASM_DECLARE_FUNCTION_NAME): Likewise. (TEXT_SECTION_ASM_OP): Add a tab. (DATA_SECTION_ASM_OP): Likewise. (SECTION_FUNCTION): Add a tab. Use fputs. Don't call data_section on every section change. (EXTRA_SECTIONS): Add a bunch of new extra sections. (EXTRA_SECTION_FUNCTIONS): Likewise. (USE_SELECT_SECTION_FOR_FUNCTIONS): Define. (JCR_SECTION_NAME): Define. (TARGET_SECTION_TYPE_FLAGS): Don't define. * config/darwin.c (darwin_encode_section_info): A symbol is defined in this file if it is not weak. (textcoal_section): Delete. (datacoal_section): Delete. (darwin_make_decl_one_only): Delete. (machopic_select_section): Handle functions. (darwin_asm_named_section): Add a tab. (darwin_section_type_flags): Delete. (darwin_unique_section): Delete contents. (darwin_emit_unwind_label): Add a tab. Make decls weak if DECL_WEAK is set. * config/darwin-protos.h (darwin_section_type_flags): Delete. (darwin_make_decl_one_only): Delete. (text_coal_section): New. (text_unlikely_section): New. (text_unlikely_coal_section): New. (const_coal_section): New. (data_coal_section): New. (const_data_coal_section): New. * varasm.c (function_section): Honour USE_SELECT_SECTION_FOR_FUNCTIONS. * dwarf2out.c (output_call_frame_info): Look at DECL_WEAK when TARGET_USES_WEAK_UNWIND_INFO is in effect. * dbxout.c (dbxout_source_file): Don't change sections while a function is being output. Index: gcc/testsuite/ChangeLog 2004-10-25 Geoffrey Keating <geoffk@apple.com> * objc.dg/image-info.m: Update for changes to section selection. Index: libjava/ChangeLog 2004-10-25 Geoffrey Keating <geoffk@apple.com> * Makefile.am (DARWIN_CRT_SRC): New. (libgcj_la_SOURCES): Use it. * configure.ac: Define USING_DARWIN_CRT when on Darwin. * darwin.cc: New file. * include/jvm.h (_Jv_RegisterClasses): Constify. (_Jv_RegisterClasses_Counted): New prototype. * java/lang/Class.h: Include stddef.h. (_Jv_RegisterClasses): Constify. (_Jv_RegisterClasses_Counted): New prototype. (Object): Make '_Jv_RegisterClasses_Counted' a friend. * java/lang/natClassLoader.cc (_Jv_RegisterClasses): Constify. (_Jv_RegisterClasses_Counted): New function. * configure: Regenerate. * Makefile.in: Regenerate. * gcj/Makefile.in: Regenerate. * include/Makefile.in: Regenerate. * testsuite/Makefile.in: Regenerate. Index: libstdc++-v3/ChangeLog 2004-10-25 Geoffrey Keating <geoffk@apple.com> * libsupc++/new_op.cc (new): Make weak. * libsupc++/new_opnt.cc (new): Make weak. * libsupc++/new_opv.cc (new): Make weak. * libsupc++/new_opvnt.cc (new): Make weak. * libsupc++/delete_op.cc (delete): Make weak. * libsupc++/delete_opnt.cc (delete): Make weak. * libsupc++/delete_opv.cc (delete): Make weak. * libsupc++/delete_opvnt.cc (delete): Make weak. From-SVN: r89572
70 lines
2.2 KiB
C++
70 lines
2.2 KiB
C++
// Support routines for the -*- C++ -*- dynamic memory management.
|
|
// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Free Software Foundation
|
|
//
|
|
// 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 2, 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.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with GCC; see the file COPYING. If not, write to
|
|
// the Free Software Foundation, 59 Temple Place - Suite 330,
|
|
// Boston, MA 02111-1307, USA.
|
|
//
|
|
// As a special exception, you may use this file as part of a free software
|
|
// library without restriction. Specifically, if other files instantiate
|
|
// templates or use macros or inline functions from this file, or you compile
|
|
// this file and link it with other files to produce an executable, this
|
|
// file does not by itself cause the resulting executable to be covered by
|
|
// the GNU General Public License. This exception does not however
|
|
// invalidate any other reasons why the executable file might be covered by
|
|
// the GNU General Public License.
|
|
|
|
#include "new"
|
|
#include <cstdlib>
|
|
#include <exception_defines.h>
|
|
|
|
using std::new_handler;
|
|
using std::bad_alloc;
|
|
#if _GLIBCXX_HOSTED
|
|
using std::malloc;
|
|
#else
|
|
// A freestanding C runtime may not provide "malloc" -- but there is no
|
|
// other reasonable way to implement "operator new".
|
|
extern "C" void *malloc (std::size_t);
|
|
#endif
|
|
|
|
extern new_handler __new_handler;
|
|
|
|
__attribute__((weak)) void *
|
|
operator new (std::size_t sz) throw (std::bad_alloc)
|
|
{
|
|
void *p;
|
|
|
|
/* malloc (0) is unpredictable; avoid it. */
|
|
if (sz == 0)
|
|
sz = 1;
|
|
p = (void *) malloc (sz);
|
|
while (p == 0)
|
|
{
|
|
new_handler handler = __new_handler;
|
|
if (! handler)
|
|
#ifdef __EXCEPTIONS
|
|
throw bad_alloc();
|
|
#else
|
|
std::abort();
|
|
#endif
|
|
handler ();
|
|
p = (void *) malloc (sz);
|
|
}
|
|
|
|
return p;
|
|
}
|