1/* Target definitions for GNU compiler for SPARC running System V.4 2 Copyright (C) 1991-2015 Free Software Foundation, Inc. 3 Contributed by Ron Guilmette (rfg@monkeys.com). 4 5This file is part of GCC. 6 7GCC is free software; you can redistribute it and/or modify 8it under the terms of the GNU General Public License as published by 9the Free Software Foundation; either version 3, or (at your option) 10any later version. 11 12GCC is distributed in the hope that it will be useful, 13but WITHOUT ANY WARRANTY; without even the implied warranty of 14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15GNU General Public License for more details. 16 17You should have received a copy of the GNU General Public License 18along with GCC; see the file COPYING3. If not see 19<http://www.gnu.org/licenses/>. */ 20 21#undef SIZE_TYPE 22#define SIZE_TYPE (TARGET_ARCH64 ? "long unsigned int" : "unsigned int") 23 24#undef PTRDIFF_TYPE 25#define PTRDIFF_TYPE (TARGET_ARCH64 ? "long int" : "int") 26 27/* Undefined some symbols which are appropriate only for typical svr4 28 systems, but not for the specific case of svr4 running on a 29 SPARC. */ 30 31#undef INIT_SECTION_ASM_OP 32#undef FINI_SECTION_ASM_OP 33#undef READONLY_DATA_SECTION_ASM_OP 34#undef TYPE_OPERAND_FMT 35#undef STRING_ASM_OP 36#undef COMMON_ASM_OP 37#undef SKIP_ASM_OP 38#undef SET_ASM_OP /* Has no equivalent. See ASM_OUTPUT_DEF below. */ 39 40/* Pass -K to the assembler when PIC. */ 41#undef ASM_SPEC 42#define ASM_SPEC \ 43 "%{v:-V} %{Qy:} %{!Qn:-Qy} %{Ym,*} \ 44 %{fpic|fPIC|fpie|fPIE:-K PIC} %(asm_cpu)" 45 46/* Define the names of various pseudo-op used by the SPARC/svr4 assembler. 47 Note that many of these are different from the typical pseudo-ops used 48 by most svr4 assemblers. That is probably due to a (misguided?) attempt 49 to keep the SPARC/svr4 assembler somewhat compatible with the SPARC/SunOS 50 assembler. */ 51 52#define STRING_ASM_OP "\t.asciz\t" 53#define COMMON_ASM_OP "\t.common\t" 54#define SKIP_ASM_OP "\t.skip\t" 55 56/* This is the format used to print the second operand of a .type pseudo-op 57 for the SPARC/svr4 assembler. */ 58 59#define TYPE_OPERAND_FMT "#%s" 60 61#undef ASM_OUTPUT_CASE_LABEL 62#define ASM_OUTPUT_CASE_LABEL(FILE, PREFIX, NUM, JUMPTABLE) \ 63do { ASM_OUTPUT_ALIGN ((FILE), Pmode == SImode ? 2 : 3); \ 64 (*targetm.asm_out.internal_label) ((FILE), PREFIX, NUM); \ 65 } while (0) 66 67/* This is how to equate one symbol to another symbol. The syntax used is 68 `SYM1=SYM2'. Note that this is different from the way equates are done 69 with most svr4 assemblers, where the syntax is `.set SYM1,SYM2'. */ 70 71#define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2) \ 72 do { fprintf ((FILE), "\t"); \ 73 assemble_name (FILE, LABEL1); \ 74 fprintf (FILE, " = "); \ 75 assemble_name (FILE, LABEL2); \ 76 fprintf (FILE, "\n"); \ 77 } while (0) 78 79/* A set of symbol definitions for assembly pseudo-ops which will 80 get us switched to various sections of interest. These are used 81 in all places where we simply want to switch to a section, and 82 *not* to push the previous section name onto the assembler's 83 section names stack (as we do often in dwarfout.c). */ 84 85#define TEXT_SECTION_ASM_OP "\t.section\t\".text\"" 86#define DATA_SECTION_ASM_OP "\t.section\t\".data\"" 87#define BSS_SECTION_ASM_OP "\t.section\t\".bss\"" 88#define READONLY_DATA_SECTION_ASM_OP "\t.section\t\".rodata\"" 89#define INIT_SECTION_ASM_OP "\t.section\t\".init\"" 90#define FINI_SECTION_ASM_OP "\t.section\t\".fini\"" 91 92/* Define the pseudo-ops used to switch to the .ctors and .dtors sections. 93 94 Note that we want to give these sections the SHF_WRITE attribute 95 because these sections will actually contain data (i.e. tables of 96 addresses of functions in the current root executable or shared library 97 file) and, in the case of a shared library, the relocatable addresses 98 will have to be properly resolved/relocated (and then written into) by 99 the dynamic linker when it actually attaches the given shared library 100 to the executing process. (Note that on SVR4, you may wish to use the 101 `-z text' option to the ELF linker, when building a shared library, as 102 an additional check that you are doing everything right. But if you do 103 use the `-z text' option when building a shared library, you will get 104 errors unless the .ctors and .dtors sections are marked as writable 105 via the SHF_WRITE attribute.) */ 106 107#undef CTORS_SECTION_ASM_OP 108#define CTORS_SECTION_ASM_OP "\t.section\t\".ctors\",#alloc,#write" 109#undef DTORS_SECTION_ASM_OP 110#define DTORS_SECTION_ASM_OP "\t.section\t\".dtors\",#alloc,#write" 111 112#undef ASM_OUTPUT_ALIGNED_BSS 113#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \ 114 asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN) 115 116/* Override the name of the mcount profiling function. */ 117 118#undef MCOUNT_FUNCTION 119#define MCOUNT_FUNCTION "*_mcount" 120