1 /* elf.h for Sunplus S+CORE processor 2 Copyright (C) 2005 Free Software Foundation, Inc. 3 4 This file is part of GCC. 5 6 GCC is free software; you can redistribute it and/or modify it 7 under the terms of the GNU General Public License as published 8 by the Free Software Foundation; either version 2, or (at your 9 option) any later version. 10 11 GCC is distributed in the hope that it will be useful, but WITHOUT 12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 13 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public 14 License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with GCC; see the file COPYING. If not, write to 18 the Free Software Foundation, 51 Franklin Street, Fifth Floor, 19 Boston, MA 02110-1301, USA. */ 20 21 #define OBJECT_FORMAT_ELF 22 23 /* Biggest alignment supported by the object file format of this machine. */ 24 #undef MAX_OFILE_ALIGNMENT 25 #define MAX_OFILE_ALIGNMENT (32768 * 8) 26 27 /* Switch into a generic section. */ 28 #undef TARGET_ASM_NAMED_SECTION 29 #define TARGET_ASM_NAMED_SECTION default_elf_asm_named_section 30 31 /* The following macro defines the format used to output the second 32 operand of the .type assembler directive. */ 33 #define TYPE_OPERAND_FMT "@%s" 34 35 #undef TYPE_ASM_OP 36 #define TYPE_ASM_OP "\t.type\t" 37 38 #undef SIZE_ASM_OP 39 #define SIZE_ASM_OP "\t.size\t" 40 41 /* A c expression whose value is a string containing the 42 assembler operation to identify the following data as 43 uninitialized global data. */ 44 #ifndef BSS_SECTION_ASM_OP 45 #define BSS_SECTION_ASM_OP "\t.section\t.bss" 46 #endif 47 48 #ifndef ASM_OUTPUT_ALIGNED_BSS 49 #define ASM_OUTPUT_ALIGNED_BSS asm_output_aligned_bss 50 #endif 51 52 #define ASM_OUTPUT_DEF(FILE, LABEL1, LABEL2) \ 53 do { \ 54 fputc ('\t', FILE); \ 55 assemble_name (FILE, LABEL1); \ 56 fputs (" = ", FILE); \ 57 assemble_name (FILE, LABEL2); \ 58 fputc ('\n', FILE); \ 59 } while (0) 60 61 62 /* This is how we tell the assembler that a symbol is weak. */ 63 #undef ASM_WEAKEN_LABEL 64 #define ASM_WEAKEN_LABEL(FILE, NAME) ASM_OUTPUT_WEAK_ALIAS (FILE, NAME, 0) 65 66 #define ASM_OUTPUT_WEAK_ALIAS(FILE, NAME, VALUE) \ 67 do { \ 68 fputs ("\t.weak\t", FILE); \ 69 assemble_name (FILE, NAME); \ 70 if (VALUE) \ 71 { \ 72 fputc (' ', FILE); \ 73 assemble_name (FILE, VALUE); \ 74 } \ 75 fputc ('\n', FILE); \ 76 } while (0) 77 78 #define MAKE_DECL_ONE_ONLY(DECL) (DECL_WEAK (DECL) = 1) 79 80 /* On elf, we *do* have support for the .init and .fini sections, and we 81 can put stuff in there to be executed before and after `main'. We let 82 crtstuff.c and other files know this by defining the following symbols. 83 The definitions say how to change sections to the .init and .fini 84 sections. This is the same for all known elf assemblers. */ 85 #undef INIT_SECTION_ASM_OP 86 #define INIT_SECTION_ASM_OP "\t.section\t.init" 87 #undef FINI_SECTION_ASM_OP 88 #define FINI_SECTION_ASM_OP "\t.section\t.fini" 89 90 /* Don't set the target flags, this is done by the linker script */ 91 #undef LIB_SPEC 92 #define LIB_SPEC "" 93 94 #undef STARTFILE_SPEC 95 #define STARTFILE_SPEC "crti%O%s crtbegin%O%s" 96 97 #undef ENDFILE_SPEC 98 #define ENDFILE_SPEC "crtend%O%s crtn%O%s" 99 100 /* We support #pragma. */ 101 #define HANDLE_SYSV_PRAGMA 1 102