/* Definitions for ELF assembler support. Copyright (C) 1999 Free Software Foundation, Inc. This file is part of GNU CC. GNU CC 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 2, or (at your option) any later version. GNU CC 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 GNU CC; see the file COPYING. If not, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* 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" #undef ASM_FILE_START #define ASM_FILE_START(FILE) \ do { \ if (TARGET_PA_20) \ fputs("\t.LEVEL 2.0\n", FILE); \ else if (TARGET_PA_11) \ fputs("\t.LEVEL 1.1\n", FILE); \ else \ fputs("\t.LEVEL 1.0\n", FILE); \ if (profile_flag)\ fprintf (FILE, "\t.IMPORT _mcount, ENTRY\n");\ if (write_symbols != NO_DEBUG) \ output_file_directive ((FILE), main_input_filename); \ } while (0) #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 call assemble_name, which in turn sets TREE_SYMBOL_REFERENCED. This macro will restore the original value of TREE_SYMBOL_REFERENCED to avoid placing useless function definitions in the output file. Also 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. What a crock. */ #define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME) \ do { int save_referenced; \ save_referenced = TREE_SYMBOL_REFERENCED (DECL_ASSEMBLER_NAME (DECL)); \ fputs ("\t.IMPORT ", FILE); \ assemble_name (FILE, NAME); \ if (FUNCTION_NAME_P (NAME)) \ fputs (",ENTRY\n", FILE); \ else \ fputs (",DATA\n", FILE); \ TREE_SYMBOL_REFERENCED (DECL_ASSEMBLER_NAME (DECL)) = save_referenced; \ } 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)