cygming-crtend.c revision 1.3 1 1.1 mrg /* crtend object for windows32 targets.
2 1.3 mrg Copyright (C) 2007-2015 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 1.3 mrg __attribute__ ((used, section(__LIBGCC_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 1.3 mrg __attribute__ ((used, section(__LIBGCC_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 }
74 1.1 mrg
75 1.1 mrg #if !DEFAULT_USE_CXA_ATEXIT
76 1.1 mrg static void deregister_frame_dtor (void) __attribute__ ((destructor (0)));
77 1.1 mrg
78 1.1 mrg static void
79 1.1 mrg deregister_frame_dtor (void)
80 1.1 mrg {
81 1.1 mrg __gcc_deregister_frame ();
82 1.1 mrg }
83 1.1 mrg #endif
84