Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/sparc/sysv4.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 | a06113de4d67 |
| children | f6334be47118 |
| rev | line source |
|---|---|
| 0 | 1 /* Target definitions for GNU compiler for SPARC running System V.4 |
|
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2 Copyright (C) 1991, 1992, 1995, 1996, 1997, 1998, 2000, 2002, 2007, 2009, |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
3 2010 |
| 0 | 4 Free Software Foundation, Inc. |
| 5 Contributed by Ron Guilmette (rfg@monkeys.com). | |
| 6 | |
| 7 This file is part of GCC. | |
| 8 | |
| 9 GCC is free software; you can redistribute it and/or modify | |
| 10 it under the terms of the GNU General Public License as published by | |
| 11 the Free Software Foundation; either version 3, or (at your option) | |
| 12 any later version. | |
| 13 | |
| 14 GCC is distributed in the hope that it will be useful, | |
| 15 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 17 GNU General Public 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 #ifndef TARGET_VERSION | |
| 24 #define TARGET_VERSION fprintf (stderr, " (sparc ELF)"); | |
| 25 #endif | |
| 26 | |
| 27 /* ??? Put back the SIZE_TYPE/PTRDIFF_TYPE definitions set by sparc.h. | |
| 28 Why, exactly, is svr4.h messing with this? Seems like the chip | |
| 29 would know best. */ | |
| 30 | |
| 31 #undef SIZE_TYPE | |
| 32 #define SIZE_TYPE (TARGET_ARCH64 ? "long unsigned int" : "unsigned int") | |
| 33 | |
| 34 #undef PTRDIFF_TYPE | |
| 35 #define PTRDIFF_TYPE (TARGET_ARCH64 ? "long int" : "int") | |
| 36 | |
| 37 /* Undefined some symbols which are defined in "svr4.h" but which are | |
| 38 appropriate only for typical svr4 systems, but not for the specific | |
| 39 case of svr4 running on a SPARC. */ | |
| 40 | |
| 41 #undef INIT_SECTION_ASM_OP | |
| 42 #undef FINI_SECTION_ASM_OP | |
| 43 #undef READONLY_DATA_SECTION_ASM_OP | |
| 44 #undef TYPE_OPERAND_FMT | |
| 45 #undef STRING_ASM_OP | |
| 46 #undef COMMON_ASM_OP | |
| 47 #undef SKIP_ASM_OP | |
| 48 #undef SET_ASM_OP /* Has no equivalent. See ASM_OUTPUT_DEF below. */ | |
| 49 | |
| 50 /* Pass -K to the assembler when PIC. */ | |
| 51 #undef ASM_SPEC | |
| 52 #define ASM_SPEC \ | |
| 53 "%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*} \ | |
| 54 %{fpic|fPIC|fpie|fPIE:-K PIC} %(asm_cpu)" | |
| 55 | |
| 56 /* Define the names of various pseudo-op used by the SPARC/svr4 assembler. | |
| 57 Note that many of these are different from the typical pseudo-ops used | |
| 58 by most svr4 assemblers. That is probably due to a (misguided?) attempt | |
| 59 to keep the SPARC/svr4 assembler somewhat compatible with the SPARC/SunOS | |
| 60 assembler. */ | |
| 61 | |
| 62 #define STRING_ASM_OP "\t.asciz\t" | |
| 63 #define COMMON_ASM_OP "\t.common\t" | |
| 64 #define SKIP_ASM_OP "\t.skip\t" | |
| 65 | |
| 66 /* This is the format used to print the second operand of a .type pseudo-op | |
| 67 for the SPARC/svr4 assembler. */ | |
| 68 | |
| 69 #define TYPE_OPERAND_FMT "#%s" | |
| 70 | |
| 71 #undef ASM_OUTPUT_CASE_LABEL | |
| 72 #define ASM_OUTPUT_CASE_LABEL(FILE, PREFIX, NUM, JUMPTABLE) \ | |
| 73 do { ASM_OUTPUT_ALIGN ((FILE), Pmode == SImode ? 2 : 3); \ | |
| 74 (*targetm.asm_out.internal_label) ((FILE), PREFIX, NUM); \ | |
| 75 } while (0) | |
| 76 | |
| 77 /* This is how to equate one symbol to another symbol. The syntax used is | |
| 78 `SYM1=SYM2'. Note that this is different from the way equates are done | |
| 79 with most svr4 assemblers, where the syntax is `.set SYM1,SYM2'. */ | |
| 80 | |
| 81 #define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2) \ | |
| 82 do { fprintf ((FILE), "\t"); \ | |
| 83 assemble_name (FILE, LABEL1); \ | |
| 84 fprintf (FILE, " = "); \ | |
| 85 assemble_name (FILE, LABEL2); \ | |
| 86 fprintf (FILE, "\n"); \ | |
| 87 } while (0) | |
| 88 | |
| 89 /* A set of symbol definitions for assembly pseudo-ops which will | |
| 90 get us switched to various sections of interest. These are used | |
| 91 in all places where we simply want to switch to a section, and | |
| 92 *not* to push the previous section name onto the assembler's | |
| 93 section names stack (as we do often in dwarfout.c). */ | |
| 94 | |
| 95 #define TEXT_SECTION_ASM_OP "\t.section\t\".text\"" | |
| 96 #define DATA_SECTION_ASM_OP "\t.section\t\".data\"" | |
| 97 #define BSS_SECTION_ASM_OP "\t.section\t\".bss\"" | |
| 98 #define READONLY_DATA_SECTION_ASM_OP "\t.section\t\".rodata\"" | |
| 99 #define INIT_SECTION_ASM_OP "\t.section\t\".init\"" | |
| 100 #define FINI_SECTION_ASM_OP "\t.section\t\".fini\"" | |
| 101 | |
| 102 /* Define the pseudo-ops used to switch to the .ctors and .dtors sections. | |
| 103 | |
| 104 Note that we want to give these sections the SHF_WRITE attribute | |
| 105 because these sections will actually contain data (i.e. tables of | |
| 106 addresses of functions in the current root executable or shared library | |
| 107 file) and, in the case of a shared library, the relocatable addresses | |
| 108 will have to be properly resolved/relocated (and then written into) by | |
| 109 the dynamic linker when it actually attaches the given shared library | |
| 110 to the executing process. (Note that on SVR4, you may wish to use the | |
| 111 `-z text' option to the ELF linker, when building a shared library, as | |
| 112 an additional check that you are doing everything right. But if you do | |
| 113 use the `-z text' option when building a shared library, you will get | |
| 114 errors unless the .ctors and .dtors sections are marked as writable | |
| 115 via the SHF_WRITE attribute.) */ | |
| 116 | |
| 117 #undef CTORS_SECTION_ASM_OP | |
| 118 #define CTORS_SECTION_ASM_OP "\t.section\t\".ctors\",#alloc,#write" | |
| 119 #undef DTORS_SECTION_ASM_OP | |
| 120 #define DTORS_SECTION_ASM_OP "\t.section\t\".dtors\",#alloc,#write" | |
| 121 | |
| 122 #undef ASM_OUTPUT_ALIGNED_BSS | |
| 123 #define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \ | |
| 124 asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN) | |
| 125 | |
| 126 /* Override the name of the mcount profiling function. */ | |
| 127 | |
| 128 #undef MCOUNT_FUNCTION | |
| 129 #define MCOUNT_FUNCTION "*_mcount" |