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Diffstat (limited to 'gcc-4.9/gcc/config/pa/elf.h')
| -rw-r--r-- | gcc-4.9/gcc/config/pa/elf.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/config/pa/elf.h b/gcc-4.9/gcc/config/pa/elf.h new file mode 100644 index 000000000..876e8e78b --- /dev/null +++ b/gcc-4.9/gcc/config/pa/elf.h @@ -0,0 +1,92 @@ +/* Definitions for ELF assembler support. + Copyright (C) 1999-2014 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)) \ + pa_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) |