Mercurial > hg > CbC > CbC_gcc
annotate gcc/gbl-ctors.h @ 63:b7f97abdc517 gcc-4.6-20100522
update gcc from gcc-4.5.0 to gcc-4.6
| author | ryoma <e075725@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Mon, 24 May 2010 12:47:05 +0900 |
| parents | 77e2b8dfacca |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* Definitions relating to the special __do_global_init function used |
| 2 for getting g++ file-scope static objects constructed. This file | |
| 3 will get included either by libgcc2.c (for systems that don't support | |
| 4 a .init section) or by crtstuff.c (for those that do). | |
| 5 Copyright (C) 1991, 1995, 1996, 1998, 1999, 2000, 2003, 2009 | |
| 6 Free Software Foundation, Inc. | |
| 7 Contributed by Ron Guilmette (rfg@segfault.us.com) | |
| 8 | |
| 9 This file is part of GCC. | |
| 10 | |
| 11 GCC is free software; you can redistribute it and/or modify it under | |
| 12 the terms of the GNU General Public License as published by the Free | |
| 13 Software Foundation; either version 3, or (at your option) any later | |
| 14 version. | |
| 15 | |
| 16 GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
| 17 WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 18 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 19 for more details. | |
| 20 | |
| 21 Under Section 7 of GPL version 3, you are granted additional | |
| 22 permissions described in the GCC Runtime Library Exception, version | |
| 23 3.1, as published by the Free Software Foundation. | |
| 24 | |
| 25 You should have received a copy of the GNU General Public License and | |
| 26 a copy of the GCC Runtime Library Exception along with this program; | |
| 27 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
| 28 <http://www.gnu.org/licenses/>. */ | |
| 29 | |
| 30 /* This file contains definitions and declarations of things | |
| 31 relating to the normal start-up-time invocation of C++ | |
| 32 file-scope static object constructors. These declarations | |
| 33 and definitions are used by *both* libgcc2.c and by crtstuff.c. | |
| 34 | |
| 35 Note that this file should only be compiled with GCC. | |
| 36 */ | |
| 37 | |
|
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77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
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38 #ifndef GCC_GBL_CTORS_H |
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77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
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39 #define GCC_GBL_CTORS_H |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
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40 |
| 0 | 41 /* Declare a pointer to void function type. */ |
| 42 | |
| 43 typedef void (*func_ptr) (void); | |
| 44 | |
| 45 /* Declare the set of symbols use as begin and end markers for the lists | |
| 46 of global object constructors and global object destructors. */ | |
| 47 | |
| 48 extern func_ptr __CTOR_LIST__[]; | |
| 49 extern func_ptr __DTOR_LIST__[]; | |
| 50 | |
| 51 /* Declare the routine which needs to get invoked at program start time. */ | |
| 52 | |
| 53 extern void __do_global_ctors (void); | |
| 54 | |
| 55 /* Declare the routine which needs to get invoked at program exit time. */ | |
| 56 | |
| 57 extern void __do_global_dtors (void); | |
| 58 | |
| 59 /* Define a macro with the code which needs to be executed at program | |
| 60 start-up time. This macro is used in two places in crtstuff.c (for | |
| 61 systems which support a .init section) and in one place in libgcc2.c | |
| 62 (for those system which do *not* support a .init section). For all | |
| 63 three places where this code might appear, it must be identical, so | |
| 64 we define it once here as a macro to avoid various instances getting | |
| 65 out-of-sync with one another. */ | |
| 66 | |
| 67 /* Some systems place the number of pointers | |
| 68 in the first word of the table. | |
| 69 On other systems, that word is -1. | |
| 70 In all cases, the table is null-terminated. | |
| 71 If the length is not recorded, count up to the null. */ | |
| 72 | |
| 73 /* Some systems use a different strategy for finding the ctors. | |
| 74 For example, svr3. */ | |
| 75 #ifndef DO_GLOBAL_CTORS_BODY | |
| 76 #define DO_GLOBAL_CTORS_BODY \ | |
| 77 do { \ | |
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55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
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78 __SIZE_TYPE__ nptrs = (__SIZE_TYPE__) __CTOR_LIST__[0]; \ |
| 0 | 79 unsigned i; \ |
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55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
80 if (nptrs == (__SIZE_TYPE__)-1) \ |
| 0 | 81 for (nptrs = 0; __CTOR_LIST__[nptrs + 1] != 0; nptrs++); \ |
| 82 for (i = nptrs; i >= 1; i--) \ | |
| 83 __CTOR_LIST__[i] (); \ | |
| 84 } while (0) | |
| 85 #endif | |
| 86 | |
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55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
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87 #endif /* GCC_GBL_CTORS_H */ |