Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/netbsd-aout.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 |
| rev | line source |
|---|---|
| 0 | 1 /* Common configuration file for NetBSD a.out targets. |
|
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) 2002, 2007, 2010 Free Software Foundation, Inc. |
| 0 | 3 Contributed by Wasabi Systems, Inc. |
| 4 | |
| 5 This file is part of GCC. | |
| 6 | |
| 7 GCC is free software; you can redistribute it and/or modify | |
| 8 it under the terms of the GNU General Public License as published by | |
| 9 the Free Software Foundation; either version 3, or (at your option) | |
| 10 any later version. | |
| 11 | |
| 12 GCC is distributed in the hope that it will be useful, | |
| 13 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 GNU General Public License for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 18 along with GCC; see the file COPYING3. If not see | |
| 19 <http://www.gnu.org/licenses/>. */ | |
| 20 | |
| 21 /* TARGET_OS_CPP_BUILTINS() common to all NetBSD a.out targets. */ | |
| 22 #define NETBSD_OS_CPP_BUILTINS_AOUT() \ | |
| 23 do \ | |
| 24 { \ | |
| 25 NETBSD_OS_CPP_BUILTINS_COMMON(); \ | |
| 26 } \ | |
| 27 while (0) | |
| 28 | |
| 29 | |
| 30 /* Provide an ASM_SPEC appropriate for NetBSD. Currently we only deal | |
| 31 with the options for generating PIC code. */ | |
| 32 | |
| 33 #undef ASM_SPEC | |
| 34 #define ASM_SPEC "%{fpic|fpie:-k} %{fPIC|fPIE:-k -K}" | |
| 35 | |
| 36 #define AS_NEEDS_DASH_FOR_PIPED_INPUT | |
| 37 | |
| 38 | |
| 39 /* Provide a STARTFILE_SPEC appropriate for NetBSD a.out. Here we | |
| 40 provide support for the special GCC option -static. */ | |
| 41 | |
| 42 #undef STARTFILE_SPEC | |
| 43 #define STARTFILE_SPEC \ | |
| 44 "%{!shared: \ | |
| 45 %{pg:gcrt0%O%s} \ | |
| 46 %{!pg: \ | |
| 47 %{p:mcrt0%O%s} \ | |
| 48 %{!p: \ | |
| 49 %{!static:crt0%O%s} \ | |
| 50 %{static:scrt0%O%s}}}}" | |
| 51 | |
| 52 /* Provide a LINK_SPEC appropriate for NetBSD a.out. Here we provide | |
| 53 support for the special GCC options -static, -assert, and -nostdlib. */ | |
| 54 | |
| 55 #undef NETBSD_LINK_SPEC_AOUT | |
| 56 #define NETBSD_LINK_SPEC_AOUT \ | |
| 57 "%{nostdlib:-nostdlib} \ | |
| 58 %{!shared: \ | |
| 59 %{!nostdlib: \ | |
|
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
|
60 %{!r: \ |
| 0 | 61 %{!e*:-e start}}} \ |
| 62 -dc -dp \ | |
| 63 %{static:-Bstatic}} \ | |
| 64 %{shared:-Bshareable} \ | |
| 65 %{R*} \ | |
| 66 %{assert*}" | |
| 67 | |
| 68 /* Default LINK_SPEC. */ | |
| 69 #undef LINK_SPEC | |
| 70 #define LINK_SPEC NETBSD_LINK_SPEC_AOUT | |
| 71 | |
| 72 /* Define the strings used for the .type, .size, and .set directives. | |
| 73 These strings generally do not vary from one system running NetBSD | |
| 74 to another, but if a given system needs to use different pseudo-op | |
| 75 names for these, they may be overridden in the file included after | |
| 76 this one. */ | |
| 77 | |
| 78 #undef TYPE_ASM_OP | |
| 79 #undef SIZE_ASM_OP | |
| 80 #undef SET_ASM_OP | |
| 81 #define TYPE_ASM_OP "\t.type\t" | |
| 82 #define SIZE_ASM_OP "\t.size\t" | |
| 83 #define SET_ASM_OP "\t.set\t" | |
| 84 | |
| 85 | |
| 86 /* This is how we tell the assembler that a symbol is weak. */ | |
| 87 | |
| 88 #undef ASM_WEAKEN_LABEL | |
| 89 #define ASM_WEAKEN_LABEL(FILE,NAME) \ | |
| 90 do \ | |
| 91 { \ | |
| 92 fputs ("\t.globl\t", FILE); assemble_name (FILE, NAME); \ | |
| 93 fputc ('\n', FILE); \ | |
| 94 fputs ("\t.weak\t", FILE); assemble_name (FILE, NAME); \ | |
| 95 fputc ('\n', FILE); \ | |
| 96 } \ | |
| 97 while (0) | |
| 98 | |
| 99 | |
| 100 /* The following macro defines the format used to output the second | |
| 101 operand of the .type assembler directive. Different svr4 assemblers | |
| 102 expect various different forms of this operand. The one given here | |
| 103 is just a default. You may need to override it in your machine- | |
| 104 specific tm.h file (depending on the particulars of your assembler). */ | |
| 105 | |
| 106 #undef TYPE_OPERAND_FMT | |
| 107 #define TYPE_OPERAND_FMT "@%s" | |
| 108 | |
| 109 | |
| 110 /* Write the extra assembler code needed to declare a function's result. | |
| 111 Most svr4 assemblers don't require any special declaration of the | |
| 112 result value, but there are exceptions. */ | |
| 113 | |
| 114 #ifndef ASM_DECLARE_RESULT | |
| 115 #define ASM_DECLARE_RESULT(FILE, RESULT) | |
| 116 #endif | |
| 117 | |
| 118 | |
| 119 /* These macros generate the special .type and .size directives which | |
| 120 are used to set the corresponding fields of the linker symbol table | |
| 121 entries in an ELF object file under SVR4 (and a.out on NetBSD). | |
| 122 These macros also output the starting labels for the relevant | |
| 123 functions/objects. */ | |
| 124 | |
| 125 /* Write the extra assembler code needed to declare a function properly. | |
| 126 Some svr4 assemblers need to also have something extra said about the | |
| 127 function's return value. We allow for that here. */ | |
| 128 | |
| 129 #undef ASM_DECLARE_FUNCTION_NAME | |
| 130 #define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \ | |
| 131 do \ | |
| 132 { \ | |
| 133 ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "function"); \ | |
| 134 ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL)); \ | |
|
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
|
135 ASM_OUTPUT_FUNCTION_LABEL (FILE, NAME, DECL); \ |
| 0 | 136 } \ |
| 137 while (0) | |
| 138 | |
| 139 | |
| 140 /* Write the extra assembler code needed to declare an object properly. */ | |
| 141 | |
| 142 #define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL) \ | |
| 143 do \ | |
| 144 { \ | |
| 145 HOST_WIDE_INT size; \ | |
| 146 \ | |
| 147 ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "object"); \ | |
| 148 \ | |
| 149 size_directive_output = 0; \ | |
| 150 if (!flag_inhibit_size_directive \ | |
| 151 && (DECL) && DECL_SIZE (DECL)) \ | |
| 152 { \ | |
| 153 size_directive_output = 1; \ | |
| 154 size = int_size_in_bytes (TREE_TYPE (DECL)); \ | |
| 155 ASM_OUTPUT_SIZE_DIRECTIVE (FILE, NAME, size); \ | |
| 156 } \ | |
| 157 \ | |
| 158 ASM_OUTPUT_LABEL (FILE, NAME); \ | |
| 159 } \ | |
| 160 while (0) | |
| 161 | |
| 162 /* Output the size directive for a decl in rest_of_decl_compilation | |
| 163 in the case where we did not do so before the initializer. | |
| 164 Once we find the error_mark_node, we know that the value of | |
| 165 size_directive_output was set | |
| 166 by ASM_DECLARE_OBJECT_NAME when it was run for the same decl. */ | |
| 167 | |
| 168 #undef ASM_FINISH_DECLARE_OBJECT | |
| 169 #define ASM_FINISH_DECLARE_OBJECT(FILE, DECL, TOP_LEVEL, AT_END) \ | |
| 170 do \ | |
| 171 { \ | |
| 172 const char *name = XSTR (XEXP (DECL_RTL (DECL), 0), 0); \ | |
| 173 HOST_WIDE_INT size; \ | |
| 174 if (!flag_inhibit_size_directive && DECL_SIZE (DECL) \ | |
| 175 && ! AT_END && TOP_LEVEL \ | |
| 176 && DECL_INITIAL (DECL) == error_mark_node \ | |
| 177 && !size_directive_output) \ | |
| 178 { \ | |
| 179 size_directive_output = 1; \ | |
| 180 size = int_size_in_bytes (TREE_TYPE (DECL)); \ | |
| 181 ASM_OUTPUT_SIZE_DIRECTIVE (FILE, name, size); \ | |
| 182 } \ | |
| 183 } \ | |
| 184 while (0) | |
| 185 | |
| 186 | |
| 187 /* This is how to declare the size of a function. */ | |
| 188 | |
| 189 #undef ASM_DECLARE_FUNCTION_SIZE | |
| 190 #define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL) \ | |
| 191 do \ | |
| 192 { \ | |
| 193 if (!flag_inhibit_size_directive) \ | |
| 194 ASM_OUTPUT_MEASURED_SIZE (FILE, FNAME); \ | |
| 195 } \ | |
| 196 while (0) |