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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [config/] [pa/] [elf.h] - Rev 297
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/* Definitions for ELF assembler support. Copyright (C) 1999, 2003, 2005, 2007 Free Software Foundation, Inc. This file is part of GCC. GCC is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. GCC is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GCC; see the file COPYING3. If not see <http://www.gnu.org/licenses/>. */ /* So we can conditionalize small amounts of code in pa.c or pa.md. */ #define OBJ_ELF #define ENDFILE_SPEC "crtend.o%s" #define STARTFILE_SPEC "%{!shared: \ %{!symbolic: \ %{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}}}\ crtbegin.o%s" #define TEXT_SECTION_ASM_OP "\t.text" #define DATA_SECTION_ASM_OP "\t.data" #define BSS_SECTION_ASM_OP "\t.section\t.bss" #define TARGET_ASM_FILE_START pa_elf_file_start #undef ASM_DECLARE_FUNCTION_NAME #define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \ do { \ if (TREE_PUBLIC (DECL)) \ { \ fputs ("\t.EXPORT ", FILE); \ assemble_name (FILE, NAME); \ fputs (",ENTRY\n", FILE); \ } \ } while (0) /* This is how to output a command to make the user-level label named NAME defined for reference from other files. We use assemble_name_raw instead of assemble_name since a symbol in a .IMPORT directive that isn't otherwise referenced is not placed in the symbol table of the assembled object. Failure to import a function reference can cause the HP linker to segmentation fault! Note that the SOM based tools need the symbol imported as a CODE symbol, while the ELF based tools require the symbol to be imported as an ENTRY symbol. */ #define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME) \ pa_hpux_asm_output_external ((FILE), (DECL), (NAME)) #define ASM_OUTPUT_EXTERNAL_REAL(FILE, DECL, NAME) \ do { fputs ("\t.IMPORT ", FILE); \ assemble_name_raw (FILE, NAME); \ if (FUNCTION_NAME_P (NAME)) \ fputs (",ENTRY\n", FILE); \ else \ fputs (",DATA\n", FILE); \ } while (0) /* The bogus HP assembler requires ALL external references to be "imported", even library calls. They look a bit different, so here's this macro. Also note not all libcall names are passed to targetm.encode_section_info (__main for example). To make sure all libcall names have section info recorded in them, we do it here. */ #undef ASM_OUTPUT_EXTERNAL_LIBCALL #define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, RTL) \ do { fputs ("\t.IMPORT ", FILE); \ if (!function_label_operand (RTL, VOIDmode)) \ hppa_encode_label (RTL); \ assemble_name (FILE, XSTR ((RTL), 0)); \ fputs (",ENTRY\n", FILE); \ } while (0) /* Biggest alignment supported by the object file format of this machine. Use this macro to limit the alignment which can be specified using the `__attribute__ ((aligned (N)))' construct. If not defined, the default value is `BIGGEST_ALIGNMENT'. */ #define MAX_OFILE_ALIGNMENT (32768 * 8)
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