cygming-crtend.c revision 1.1
1 1.1 mrg /* crtend object for windows32 targets. 2 1.1 mrg Copyright (C) 2007-2013 Free Software Foundation, Inc. 3 1.1 mrg 4 1.1 mrg Contributed by Danny Smith <dannysmith (at) users.sourceforge.net> 5 1.1 mrg 6 1.1 mrg This file is part of GCC. 7 1.1 mrg 8 1.1 mrg GCC is free software; you can redistribute it and/or modify it under 9 1.1 mrg the terms of the GNU General Public License as published by the Free 10 1.1 mrg Software Foundation; either version 3, or (at your option) any later 11 1.1 mrg version. 12 1.1 mrg 13 1.1 mrg GCC is distributed in the hope that it will be useful, but WITHOUT ANY 14 1.1 mrg WARRANTY; without even the implied warranty of MERCHANTABILITY or 15 1.1 mrg FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 16 1.1 mrg for more details. 17 1.1 mrg 18 1.1 mrg Under Section 7 of GPL version 3, you are granted additional 19 1.1 mrg permissions described in the GCC Runtime Library Exception, version 20 1.1 mrg 3.1, as published by the Free Software Foundation. 21 1.1 mrg 22 1.1 mrg You should have received a copy of the GNU General Public License and 23 1.1 mrg a copy of the GCC Runtime Library Exception along with this program; 24 1.1 mrg see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 25 1.1 mrg <http://www.gnu.org/licenses/>. */ 26 1.1 mrg 27 1.1 mrg /* Target machine header files require this define. */ 28 1.1 mrg #define IN_LIBGCC2 29 1.1 mrg 30 1.1 mrg /* auto-host.h is needed by cygming.h for HAVE_GAS_WEAK and here 31 1.1 mrg for HAVE_LD_RO_RW_SECTION_MIXING. */ 32 1.1 mrg #include "auto-host.h" 33 1.1 mrg #include "tconfig.h" 34 1.1 mrg #include "tsystem.h" 35 1.1 mrg #include "coretypes.h" 36 1.1 mrg #include "tm.h" 37 1.1 mrg #include "libgcc_tm.h" 38 1.1 mrg #include "unwind-dw2-fde.h" 39 1.1 mrg 40 1.1 mrg #if defined(HAVE_LD_RO_RW_SECTION_MIXING) 41 1.1 mrg # define EH_FRAME_SECTION_CONST const 42 1.1 mrg #else 43 1.1 mrg # define EH_FRAME_SECTION_CONST 44 1.1 mrg #endif 45 1.1 mrg 46 1.1 mrg #if DWARF2_UNWIND_INFO 47 1.1 mrg /* Terminate the frame unwind info section with a 0 as a sentinel; 48 1.1 mrg this would be the 'length' field in a real FDE. */ 49 1.1 mrg 50 1.1 mrg static EH_FRAME_SECTION_CONST int __FRAME_END__[] 51 1.1 mrg __attribute__ ((used, section(EH_FRAME_SECTION_NAME), 52 1.1 mrg aligned(4))) 53 1.1 mrg = { 0 }; 54 1.1 mrg #endif 55 1.1 mrg 56 1.1 mrg #if TARGET_USE_JCR_SECTION 57 1.1 mrg /* Null terminate the .jcr section array. */ 58 1.1 mrg static void *__JCR_END__[1] 59 1.1 mrg __attribute__ ((used, section(JCR_SECTION_NAME), 60 1.1 mrg aligned(sizeof(void *)))) 61 1.1 mrg = { 0 }; 62 1.1 mrg #endif 63 1.1 mrg 64 1.1 mrg extern void __gcc_register_frame (void); 65 1.1 mrg extern void __gcc_deregister_frame (void); 66 1.1 mrg 67 1.1 mrg static void register_frame_ctor (void) __attribute__ ((constructor (0))); 68 1.1 mrg 69 1.1 mrg static void 70 1.1 mrg register_frame_ctor (void) 71 1.1 mrg { 72 1.1 mrg __gcc_register_frame (); 73 1.1 mrg #if DEFAULT_USE_CXA_ATEXIT 74 1.1 mrg /* If we use the __cxa_atexit method to register C++ dtors 75 1.1 mrg at object construction, also use atexit to register eh frame 76 1.1 mrg info cleanup. */ 77 1.1 mrg atexit (__gcc_deregister_frame); 78 1.1 mrg #endif 79 1.1 mrg } 80 1.1 mrg 81 1.1 mrg #if !DEFAULT_USE_CXA_ATEXIT 82 1.1 mrg static void deregister_frame_dtor (void) __attribute__ ((destructor (0))); 83 1.1 mrg 84 1.1 mrg static void 85 1.1 mrg deregister_frame_dtor (void) 86 1.1 mrg { 87 1.1 mrg __gcc_deregister_frame (); 88 1.1 mrg } 89 1.1 mrg #endif 90
Indexes created Sat Apr 11 00:22:22 UTC 2026