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Diffstat (limited to 'gcc/config/arm/elf.h')
| -rwxr-xr-x | gcc/config/arm/elf.h | 374 |
1 files changed, 0 insertions, 374 deletions
diff --git a/gcc/config/arm/elf.h b/gcc/config/arm/elf.h deleted file mode 100755 index c78b68a..0000000 --- a/gcc/config/arm/elf.h +++ /dev/null @@ -1,374 +0,0 @@ -/* Definitions of target machine for GNU compiler, - for ARM with ELF obj format. - Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc. - Contributed by Philip Blundell <philb@gnu.org> and - Catherine Moore <clm@cygnus.com> - -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. */ - - -#define OBJECT_FORMAT_ELF - -#ifndef LOCAL_LABEL_PREFIX -#define LOCAL_LABEL_PREFIX "." -#endif - -#ifndef USER_LABEL_PREFIX -#define USER_LABEL_PREFIX "" -#endif - -#ifndef CPP_PREDEFINES -#define CPP_PREDEFINES "-Darm -Darm_elf -Acpu(arm) -Amachine(arm) -D__ELF__" -#endif - -/* The following macro defines the format used to output the second - operand of the .type assembler directive. Different svr4 assemblers - expect various different forms for this operand. The one given here - is just a default. You may need to override it in your machine- - specific tm.h file (depending upon the particulars of your assembler). */ -#define TYPE_OPERAND_FMT "%s" - -/* Write the extra assembler code needed to declare a function's result. - Most svr4 assemblers don't require any special declaration of the - result value, but there are exceptions. */ -#ifndef ASM_DECLARE_RESULT -#define ASM_DECLARE_RESULT(FILE, RESULT) -#endif - -/* These macros generate the special .type and .size directives which - are used to set the corresponding fields of the linker symbol table - entries in an ELF object file under SVR4. These macros also output - the starting labels for the relevant functions/objects. */ -#define TYPE_ASM_OP ".type" -#define SIZE_ASM_OP ".size" - -/* Write the extra assembler code needed to declare a function properly. - Some svr4 assemblers need to also have something extra said about the - function's return value. We allow for that here. */ -#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \ - do { \ - fprintf (FILE, "\t%s\t ", TYPE_ASM_OP); \ - assemble_name (FILE, NAME); \ - putc (',', FILE); \ - fprintf (FILE, TYPE_OPERAND_FMT, "function"); \ - putc ('\n', FILE); \ - ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL)); \ - ASM_OUTPUT_LABEL(FILE, NAME); \ - } while (0) - -/* Write the extra assembler code needed to declare an object properly. */ -#define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL) \ - do { \ - fprintf (FILE, "\t%s\t ", TYPE_ASM_OP); \ - assemble_name (FILE, NAME); \ - putc (',', FILE); \ - fprintf (FILE, TYPE_OPERAND_FMT, "object"); \ - putc ('\n', FILE); \ - size_directive_output = 0; \ - if (!flag_inhibit_size_directive && DECL_SIZE (DECL)) \ - { \ - size_directive_output = 1; \ - fprintf (FILE, "\t%s\t ", SIZE_ASM_OP); \ - assemble_name (FILE, NAME); \ - putc (',', FILE); \ - fprintf (FILE, HOST_WIDE_INT_PRINT_DEC, \ - int_size_in_bytes (TREE_TYPE (DECL))); \ - fputc ('\n', FILE); \ - } \ - ASM_OUTPUT_LABEL(FILE, NAME); \ - } while (0) - -/* Output the size directive for a decl in rest_of_decl_compilation - in the case where we did not do so before the initializer. - Once we find the error_mark_node, we know that the value of - size_directive_output was set - by ASM_DECLARE_OBJECT_NAME when it was run for the same decl. */ -#define ASM_FINISH_DECLARE_OBJECT(FILE, DECL, TOP_LEVEL, AT_END) \ -do { \ - char *name = XSTR (XEXP (DECL_RTL (DECL), 0), 0); \ - if (!flag_inhibit_size_directive && DECL_SIZE (DECL) \ - && ! AT_END && TOP_LEVEL \ - && DECL_INITIAL (DECL) == error_mark_node \ - && !size_directive_output) \ - { \ - size_directive_output = 1; \ - fprintf (FILE, "\t%s\t ", SIZE_ASM_OP); \ - assemble_name (FILE, name); \ - putc (',', FILE); \ - fprintf (FILE, HOST_WIDE_INT_PRINT_DEC, \ - int_size_in_bytes (TREE_TYPE (DECL))); \ - fputc ('\n', FILE); \ - } \ - } while (0) - -/* This is how to declare the size of a function. */ -#define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL) \ - do { \ - if (!flag_inhibit_size_directive) \ - { \ - char label[256]; \ - static int labelno; \ - labelno ++; \ - ASM_GENERATE_INTERNAL_LABEL (label, "Lfe", labelno); \ - ASM_OUTPUT_INTERNAL_LABEL (FILE, "Lfe", labelno); \ - fprintf (FILE, "\t%s\t ", SIZE_ASM_OP); \ - assemble_name (FILE, (FNAME)); \ - fprintf (FILE, ","); \ - assemble_name (FILE, label); \ - fprintf (FILE, "-"); \ - assemble_name (FILE, (FNAME)); \ - putc ('\n', FILE); \ - } \ - } while (0) - -/* Define this macro if jump tables (for `tablejump' insns) should be - output in the text section, along with the assembler instructions. - Otherwise, the readonly data section is used. */ -#define JUMP_TABLES_IN_TEXT_SECTION 1 - -#ifndef ASM_SPEC -#define ASM_SPEC "%{mbig-endian:-EB} %{mcpu=*:-m%*} %{march=*:-m%*} \ - %{mapcs-*:-mapcs-%*} %{mthumb-interwork:-mthumb-interwork}" -#endif - -#ifndef LINK_SPEC -#define LINK_SPEC "%{mbig-endian:-EB} -X" -#endif - -/* Run-time Target Specification. */ -#ifndef TARGET_VERSION -#define TARGET_VERSION fputs (" (ARM/elf)", stderr) -#endif - -#ifndef TARGET_DEFAULT -#define TARGET_DEFAULT (ARM_FLAG_SOFT_FLOAT | ARM_FLAG_APCS_32) -#endif - -#ifndef MULTILIB_DEFAULTS -#define MULTILIB_DEFAULTS { "mlittle-endian", "msoft-float", "mapcs-32", "mno-thumb-interwork", "fno-leading-underscore" } -#endif - -/* Setting this to 32 produces more efficient code, but the value set in previous - versions of this toolchain was 8, which produces more compact structures. The - command line option -mstructure_size_boundary=<n> can be used to change this - value. */ -#undef STRUCTURE_SIZE_BOUNDARY -#define STRUCTURE_SIZE_BOUNDARY arm_structure_size_boundary - -extern int arm_structure_size_boundary; - -/* A C expression whose value is nonzero if IDENTIFIER with arguments ARGS - is a valid machine specific attribute for DECL. - The attributes in ATTRIBUTES have previously been assigned to DECL. */ -extern int arm_valid_machine_decl_attribute (); -#define VALID_MACHINE_DECL_ATTRIBUTE(DECL, ATTRIBUTES, IDENTIFIER, ARGS) \ -arm_valid_machine_decl_attribute (DECL, ATTRIBUTES, IDENTIFIER, ARGS) - - -/* A C statement to output assembler commands which will identify the - object file as having been compiled with GNU CC (or another GNU - compiler). */ -/* Define this to NULL so we don't get anything. - We have ASM_IDENTIFY_LANGUAGE. - Also, when using stabs, gcc2_compiled must be a stabs entry, not an - ordinary symbol, or gdb won't see it. The stabs entry must be - before the N_SO in order for gdb to find it. */ -#ifndef ASM_IDENTIFY_GCC -#define ASM_IDENTIFY_GCC(STREAM) \ - fprintf (STREAM, "%sgcc2_compiled.:\n", LOCAL_LABEL_PREFIX ) -#endif - -/* This outputs a lot of .req's to define alias for various registers. - Let's try to avoid this. */ -#ifndef ASM_FILE_START -#define ASM_FILE_START(STREAM) \ -do { \ - extern char *version_string; \ - fprintf (STREAM, "%s Generated by gcc %s for ARM/elf\n", \ - ASM_COMMENT_START, version_string); \ -} while (0) -#endif - -/* Output an internal label definition. */ -#ifndef ASM_OUTPUT_INTERNAL_LABEL -#define ASM_OUTPUT_INTERNAL_LABEL(STREAM, PREFIX, NUM) \ - do \ - { \ - char *s = (char *) alloca (40 + strlen (PREFIX)); \ - extern int arm_target_label, arm_ccfsm_state; \ - extern rtx arm_target_insn; \ - \ - if (arm_ccfsm_state == 3 && arm_target_label == (NUM) \ - && !strcmp (PREFIX, "L")) \ - { \ - arm_ccfsm_state = 0; \ - arm_target_insn = NULL; \ - } \ - ASM_GENERATE_INTERNAL_LABEL (s, (PREFIX), (NUM)); \ - /* CYGNUS LOCAL nickc */ \ - arm_asm_output_label (STREAM, s); \ - /* END CYGNUS LOCAL */ \ - } while (0) -#endif - -/* Support the ctors/dtors and other sections. */ - -/* Define the pseudo-ops used to switch to the .ctors and .dtors sections. - - Note that we want to give these sections the SHF_WRITE attribute - because these sections will actually contain data (i.e. tables of - addresses of functions in the current root executable or shared library - file) and, in the case of a shared library, the relocatable addresses - will have to be properly resolved/relocated (and then written into) by - the dynamic linker when it actually attaches the given shared library - to the executing process. (Note that on SVR4, you may wish to use the - `-z text' option to the ELF linker, when building a shared library, as - an additional check that you are doing everything right. But if you do - use the `-z text' option when building a shared library, you will get - errors unless the .ctors and .dtors sections are marked as writable - via the SHF_WRITE attribute.) */ -#ifndef CTORS_SECTION_ASM_OP -#define CTORS_SECTION_ASM_OP "\t.section\t.ctors,\"aw\"" -#endif - -#ifndef DTORS_SECTION_ASM_OP -#define DTORS_SECTION_ASM_OP "\t.section\t.dtors,\"aw\"" -#endif - -/* A list of other sections which the compiler might be "in" at any - given time. */ -#ifndef SUBTARGET_EXTRA_SECTIONS -#define SUBTARGET_EXTRA_SECTIONS -#endif - -#ifndef EXTRA_SECTIONS -#define EXTRA_SECTIONS SUBTARGET_EXTRA_SECTIONS in_ctors, in_dtors -#endif - -/* A list of extra section function definitions. */ -#ifndef SUBTARGET_EXTRA_SECTION_FUNCTIONS -#define SUBTARGET_EXTRA_SECTION_FUNCTIONS -#endif - -#ifndef EXTRA_SECTION_FUNCTIONS -#define EXTRA_SECTION_FUNCTIONS \ - SUBTARGET_EXTRA_SECTION_FUNCTIONS \ - CTORS_SECTION_FUNCTION \ - DTORS_SECTION_FUNCTION -#endif - -#ifndef CTORS_SECTION_FUNCTION -#define CTORS_SECTION_FUNCTION \ -void \ -ctors_section () \ -{ \ - if (in_section != in_ctors) \ - { \ - fprintf (asm_out_file, "%s\n", CTORS_SECTION_ASM_OP); \ - in_section = in_ctors; \ - } \ -} -#endif - -#ifndef DTORS_SECTION_FUNCTION -#define DTORS_SECTION_FUNCTION \ -void \ -dtors_section () \ -{ \ - if (in_section != in_dtors) \ - { \ - fprintf (asm_out_file, "%s\n", DTORS_SECTION_ASM_OP); \ - in_section = in_dtors; \ - } \ -} -#endif - -/* Support the ctors/dtors sections for g++. */ -#ifndef INT_ASM_OP -#define INT_ASM_OP ".word" -#endif - -/* A C statement (sans semicolon) to output an element in the table of - global constructors. */ -#ifndef ASM_OUTPUT_CONSTRUCTOR -#define ASM_OUTPUT_CONSTRUCTOR(STREAM,NAME) \ -do { \ - ctors_section (); \ - fprintf (STREAM, "\t%s\t ", INT_ASM_OP); \ - assemble_name (STREAM, NAME); \ - fprintf (STREAM, "\n"); \ -} while (0) -#endif - -/* A C statement (sans semicolon) to output an element in the table of - global destructors. */ -#ifndef ASM_OUTPUT_DESTRUCTOR -#define ASM_OUTPUT_DESTRUCTOR(STREAM,NAME) \ -do { \ - dtors_section (); \ - fprintf (STREAM, "\t%s\t ", INT_ASM_OP); \ - assemble_name (STREAM, NAME); \ - fprintf (STREAM, "\n"); \ -} while (0) -#endif - -/* This is how we tell the assembler that a symbol is weak. */ - -#define ASM_WEAKEN_LABEL(FILE,NAME) \ - do { fputs ("\t.weak\t", FILE); assemble_name (FILE, NAME); \ - fputc ('\n', FILE); } while (0) - -#include "arm/aout.h" - -#define ASM_OUTPUT_UNIQUE_BSS(file, decl, name, size) \ - { \ - int len = strlen (name) + 5; \ - char * string; \ - \ - string = alloca (len + 1); \ - sprintf (string, ".bss.%s", name); \ - \ - named_section (NULL, string, 0); \ - \ - ASM_GLOBALIZE_LABEL (file, name); \ - \ - ASM_OUTPUT_ALIGN (file, \ - floor_log2 (DECL_ALIGN (decl) / BITS_PER_UNIT)); \ - \ - last_assemble_variable_decl = decl; \ - ASM_DECLARE_OBJECT_NAME (file, name, decl); \ - ASM_OUTPUT_SKIP (file, size ? size : 1); \ - } - -#define ASM_OUTPUT_UNIQUE_LOCAL(file, decl, name, size) \ - do \ - { \ - int len = strlen (name) + 5; \ - char * string; \ - \ - string = alloca (len + 1); \ - sprintf (string, ".bss.%s", name); \ - \ - named_section (NULL, string, 0); \ - \ - ASM_OUTPUT_ALIGN (file, \ - floor_log2 (DECL_ALIGN (decl) / BITS_PER_UNIT)); \ - ASM_OUTPUT_LABEL (file, name); \ - fprintf (file, "\t.space\t%d\n", size); \ - } \ - while (0) |