Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/rs6000/lynx.h @ 67:f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
| author | nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> |
|---|---|
| date | Tue, 22 Mar 2011 17:18:12 +0900 |
| parents | a06113de4d67 |
| children | 04ced10e8804 |
| rev | line source |
|---|---|
| 0 | 1 /* Definitions for Rs6000 running LynxOS. |
|
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2 Copyright (C) 1995, 1996, 2000, 2002, 2003, 2004, 2005, 2007, 2010 |
| 0 | 3 Free Software Foundation, Inc. |
| 4 Contributed by David Henkel-Wallace, Cygnus Support (gumby@cygnus.com) | |
| 5 Rewritten by Adam Nemet, LynuxWorks Inc. | |
| 6 | |
| 7 This file is part of GCC. | |
| 8 | |
| 9 GCC is free software; you can redistribute it and/or modify it | |
| 10 under the terms of the GNU General Public License as published | |
| 11 by the Free Software Foundation; either version 3, or (at your | |
| 12 option) any later version. | |
| 13 | |
| 14 GCC is distributed in the hope that it will be useful, but WITHOUT | |
| 15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
| 16 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public | |
| 17 License for more details. | |
| 18 | |
| 19 You should have received a copy of the GNU General Public License | |
| 20 along with GCC; see the file COPYING3. If not see | |
| 21 <http://www.gnu.org/licenses/>. */ | |
| 22 | |
| 23 /* Override the definition in sysv4.h. */ | |
| 24 | |
| 25 #undef TARGET_VERSION | |
| 26 #define TARGET_VERSION fputs (" (PowerPC/LynxOS)", stderr); | |
| 27 | |
| 28 /* Undefine the definition to enable the LynxOS default from the | |
| 29 top-level lynx.h. */ | |
| 30 | |
| 31 #undef SUBTARGET_EXTRA_SPECS | |
| 32 | |
| 33 /* Get rid off the spec definitions from rs6000/sysv4.h. */ | |
| 34 | |
| 35 #undef CPP_SPEC | |
| 36 #define CPP_SPEC \ | |
| 37 "%{msoft-float: -D_SOFT_FLOAT} \ | |
| 38 %(cpp_cpu) \ | |
| 39 %(cpp_os_lynx)" | |
| 40 | |
| 41 /* LynxOS only supports big-endian on PPC so we override the | |
| 42 definition from sysv4.h. Since the LynxOS 4.0 compiler was set to | |
| 43 return every structure in memory regardless of their size we have | |
| 44 to emulate the same behavior here with disabling the SVR4 structure | |
| 45 returning. */ | |
| 46 | |
| 47 #undef CC1_SPEC | |
| 48 #define CC1_SPEC \ | |
| 49 "%{G*} %{mno-sdata:-msdata=none} \ | |
| 50 %{maltivec:-mabi=altivec} \ | |
| 51 -maix-struct-return" | |
| 52 | |
| 53 #undef ASM_SPEC | |
| 54 #define ASM_SPEC \ | |
| 55 "%(asm_cpu) \ | |
| 56 %{,assembler|,assembler-with-cpp: %{mregnames} %{mno-regnames}}" | |
| 57 | |
| 58 #undef STARTFILE_SPEC | |
| 59 #undef ENDFILE_SPEC | |
| 60 #undef LIB_SPEC | |
| 61 #undef LINK_SPEC | |
| 62 #define LINK_SPEC \ | |
| 63 "%{!msdata=none:%{G*}} %{msdata=none:-G0} \ | |
| 64 %(link_os_lynx)" | |
| 65 | |
| 66 /* Override the definition from sysv4.h. */ | |
| 67 | |
| 68 #undef TARGET_OS_CPP_BUILTINS | |
| 69 #define TARGET_OS_CPP_BUILTINS() \ | |
| 70 do \ | |
| 71 { \ | |
| 72 builtin_define ("__BIG_ENDIAN__"); \ | |
| 73 builtin_define ("__powerpc__"); \ | |
| 74 builtin_assert ("cpu=powerpc"); \ | |
| 75 builtin_assert ("machine=powerpc"); \ | |
| 76 builtin_define ("__PPC__"); \ | |
| 77 } \ | |
| 78 while (0) | |
| 79 | |
| 80 /* Override the rs6000.h definition. */ | |
| 81 | |
| 82 #undef ASM_APP_ON | |
| 83 #define ASM_APP_ON "#APP\n" | |
| 84 | |
| 85 /* Override the rs6000.h definition. */ | |
| 86 | |
| 87 #undef ASM_APP_OFF | |
| 88 #define ASM_APP_OFF "#NO_APP\n" | |
| 89 | |
| 90 /* LynxOS does not do anything with .fixup plus let's not create | |
| 91 writable section for linkonce.r and linkonce.t. */ | |
| 92 | |
| 93 #undef RELOCATABLE_NEEDS_FIXUP | |
| 94 | |
| 95 /* Override these from rs6000.h with the generic definition. */ | |
| 96 | |
| 97 #undef SIZE_TYPE | |
| 98 #undef ASM_OUTPUT_ALIGN | |
| 99 #undef PREFERRED_DEBUGGING_TYPE | |
| 100 | |
| 101 /* The file rs6000.c defines TARGET_HAVE_TLS unconditionally to the | |
| 102 value of HAVE_AS_TLS. HAVE_AS_TLS is true as gas support for TLS | |
| 103 is detected by configure. Override the definition to false. */ | |
| 104 | |
| 105 #undef HAVE_AS_TLS | |
| 106 #define HAVE_AS_TLS 0 | |
| 107 | |
|
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
108 #define DBX_REGISTER_NUMBER(REGNO) rs6000_dbx_register_number (REGNO) |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
109 |
| 0 | 110 #ifdef CRT_BEGIN |
| 111 /* This function is part of crtbegin*.o which is at the beginning of | |
| 112 the link and is called from .fini which is usually toward the end | |
| 113 of the executable. Make it longcall so that we don't limit the | |
| 114 text size of the executables to 32M. */ | |
| 115 | |
| 116 static void __do_global_dtors_aux (void) __attribute__ ((longcall)); | |
| 117 #endif /* CRT_BEGIN */ | |
| 118 | |
| 119 #ifdef CRT_END | |
| 120 /* Similarly here. This function resides in crtend*.o which is toward | |
| 121 to end of the link and is called from .init which is at the | |
| 122 beginning. */ | |
| 123 | |
| 124 static void __do_global_ctors_aux (void) __attribute__ ((longcall)); | |
| 125 #endif /* CRT_END */ |