Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/ia64/sysv4.h @ 55:77e2b8dfacca gcc-4.4.5
update it from 4.4.3 to 4.5.0
| author | ryoma <e075725@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Fri, 12 Feb 2010 23:39:51 +0900 |
| parents | a06113de4d67 |
| children | f6334be47118 |
| rev | line source |
|---|---|
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77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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1 /* Override definitions in elfos.h/svr4.h to be correct for IA64. |
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2 |
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3 Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, |
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4 2007 Free Software Foundation, Inc. |
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5 |
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6 This file is part of GCC. |
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7 |
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8 GCC is free software; you can redistribute it and/or modify it under |
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9 the terms of the GNU General Public License as published by the Free |
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10 Software Foundation; either version 3, or (at your option) any later |
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11 version. |
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12 |
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13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
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14 WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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16 for more details. |
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17 |
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18 Under Section 7 of GPL version 3, you are granted additional |
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19 permissions described in the GCC Runtime Library Exception, version |
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20 3.1, as published by the Free Software Foundation. |
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21 |
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22 You should have received a copy of the GNU General Public License and |
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23 a copy of the GCC Runtime Library Exception along with this program; |
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24 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
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25 <http://www.gnu.org/licenses/>. */ |
| 0 | 26 |
| 27 #undef TARGET_INIT_LIBFUNCS | |
| 28 #define TARGET_INIT_LIBFUNCS ia64_sysv4_init_libfuncs | |
| 29 | |
| 30 /* We want DWARF2 as specified by the IA64 ABI. */ | |
| 31 #undef PREFERRED_DEBUGGING_TYPE | |
| 32 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG | |
| 33 | |
| 34 /* Stabs does not work properly for 64-bit targets. */ | |
| 35 #undef DBX_DEBUGGING_INFO | |
| 36 | |
| 37 /* Various pseudo-ops for which the Intel assembler uses non-standard | |
| 38 definitions. */ | |
| 39 | |
| 40 #undef STRING_ASM_OP | |
| 41 #define STRING_ASM_OP "\tstringz\t" | |
| 42 | |
| 43 #undef SKIP_ASM_OP | |
| 44 #define SKIP_ASM_OP "\t.skip\t" | |
| 45 | |
| 46 #undef COMMON_ASM_OP | |
| 47 #define COMMON_ASM_OP "\t.common\t" | |
| 48 | |
| 49 #undef ASCII_DATA_ASM_OP | |
| 50 #define ASCII_DATA_ASM_OP "\tstring\t" | |
| 51 | |
| 52 /* ia64-specific options for gas | |
| 53 ??? ia64 gas doesn't accept standard svr4 assembler options? */ | |
| 54 #undef ASM_SPEC | |
| 55 #define ASM_SPEC "-x %{mconstant-gp} %{mauto-pic} %(asm_extra)" | |
| 56 | |
| 57 /* ??? Unfortunately, .lcomm doesn't work, because it puts things in either | |
| 58 .bss or .sbss, and we can't control the decision of which is used. When | |
| 59 I use .lcomm, I get a cryptic "Section group has no member" error from | |
| 60 the Intel simulator. So we must explicitly put variables in .bss | |
| 61 instead. This matters only if we care about the Intel assembler. */ | |
| 62 | |
| 63 /* This is asm_output_aligned_bss from varasm.c without the | |
| 64 (*targetm.asm_out.globalize_label) call at the beginning. */ | |
| 65 | |
| 66 /* This is for final.c, because it is used by ASM_DECLARE_OBJECT_NAME. */ | |
| 67 extern int size_directive_output; | |
| 68 | |
| 69 #undef ASM_OUTPUT_ALIGNED_LOCAL | |
| 70 #define ASM_OUTPUT_ALIGNED_DECL_LOCAL(FILE, DECL, NAME, SIZE, ALIGN) \ | |
| 71 do { \ | |
| 72 if ((DECL) && sdata_symbolic_operand (XEXP (DECL_RTL (DECL), 0), Pmode)) \ | |
| 73 switch_to_section (sbss_section); \ | |
| 74 else \ | |
| 75 switch_to_section (bss_section); \ | |
| 76 ASM_OUTPUT_ALIGN (FILE, floor_log2 ((ALIGN) / BITS_PER_UNIT)); \ | |
| 77 ASM_DECLARE_OBJECT_NAME (FILE, NAME, DECL); \ | |
| 78 ASM_OUTPUT_SKIP (FILE, SIZE ? SIZE : 1); \ | |
| 79 } while (0) | |
| 80 | |
| 81 /* The # tells the Intel assembler that this is not a register name. | |
| 82 However, we can't emit the # in a label definition, so we set a variable | |
| 83 in ASM_OUTPUT_LABEL to control whether we want the postfix here or not. | |
| 84 We append the # to the label name, but since NAME can be an expression | |
| 85 we have to scan it for a non-label character and insert the # there. */ | |
| 86 | |
| 87 #undef ASM_OUTPUT_LABELREF | |
| 88 #define ASM_OUTPUT_LABELREF(STREAM, NAME) \ | |
| 89 do { \ | |
| 90 const char *name_ = NAME; \ | |
| 91 if (*name_ == '*') \ | |
| 92 name_++; \ | |
| 93 else \ | |
| 94 fputs (user_label_prefix, STREAM); \ | |
| 95 fputs (name_, STREAM); \ | |
| 96 if (!ia64_asm_output_label) \ | |
| 97 fputc ('#', STREAM); \ | |
| 98 } while (0) | |
| 99 | |
| 100 /* Intel assembler requires both flags and type if declaring a non-predefined | |
| 101 section. */ | |
| 102 #undef INIT_SECTION_ASM_OP | |
| 103 #define INIT_SECTION_ASM_OP "\t.section\t.init,\"ax\",\"progbits\"" | |
| 104 #undef FINI_SECTION_ASM_OP | |
| 105 #define FINI_SECTION_ASM_OP "\t.section\t.fini,\"ax\",\"progbits\"" | |
| 106 | |
| 107 /* svr4.h undefines this, so we need to define it here. */ | |
| 108 #define DBX_REGISTER_NUMBER(REGNO) \ | |
| 109 ia64_dbx_register_number(REGNO) | |
| 110 | |
| 111 /* Things that svr4.h defines to the wrong type, because it assumes 32-bit | |
| 112 ints and 32-bit longs. */ | |
| 113 | |
| 114 #undef SIZE_TYPE | |
| 115 #define SIZE_TYPE "long unsigned int" | |
| 116 | |
| 117 #undef PTRDIFF_TYPE | |
| 118 #define PTRDIFF_TYPE "long int" | |
| 119 | |
| 120 #undef WCHAR_TYPE | |
| 121 #define WCHAR_TYPE "int" | |
| 122 | |
| 123 #undef WCHAR_TYPE_SIZE | |
| 124 #define WCHAR_TYPE_SIZE 32 | |
| 125 | |
| 126 /* We redefine this to use the ia64 .proc pseudo-op. */ | |
| 127 | |
| 128 #undef ASM_DECLARE_FUNCTION_NAME | |
| 129 #define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \ | |
| 130 do { \ | |
| 131 fputs ("\t.proc ", FILE); \ | |
| 132 assemble_name (FILE, NAME); \ | |
| 133 fputc ('\n', FILE); \ | |
| 134 ASM_OUTPUT_LABEL (FILE, NAME); \ | |
| 135 } while (0) | |
| 136 | |
| 137 /* We redefine this to use the ia64 .endp pseudo-op. */ | |
| 138 | |
| 139 #undef ASM_DECLARE_FUNCTION_SIZE | |
| 140 #define ASM_DECLARE_FUNCTION_SIZE(FILE, NAME, DECL) \ | |
| 141 do { \ | |
| 142 fputs ("\t.endp ", FILE); \ | |
| 143 assemble_name (FILE, NAME); \ | |
| 144 fputc ('\n', FILE); \ | |
| 145 } while (0) | |
| 146 | |
| 147 /* Override default elf definition. */ | |
| 148 #undef TARGET_ASM_RELOC_RW_MASK | |
| 149 #define TARGET_ASM_RELOC_RW_MASK ia64_reloc_rw_mask | |
| 150 #undef TARGET_ASM_SELECT_RTX_SECTION | |
| 151 #define TARGET_ASM_SELECT_RTX_SECTION ia64_select_rtx_section | |
| 152 | |
| 153 #define SDATA_SECTION_ASM_OP "\t.sdata" | |
| 154 #define SBSS_SECTION_ASM_OP "\t.sbss" |