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authorYamaArashi <shadow962@live.com>2016-01-06 01:47:28 -0800
committerYamaArashi <shadow962@live.com>2016-01-06 01:47:28 -0800
commitbe8b04496302184c6e8f04d6179f9c3afc50aeb6 (patch)
tree726e2468c0c07add773c0dbd86ab6386844259ae /gcc/config/arm/telf-oabi.h
initial commit
Diffstat (limited to 'gcc/config/arm/telf-oabi.h')
-rwxr-xr-xgcc/config/arm/telf-oabi.h244
1 files changed, 244 insertions, 0 deletions
diff --git a/gcc/config/arm/telf-oabi.h b/gcc/config/arm/telf-oabi.h
new file mode 100755
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+++ b/gcc/config/arm/telf-oabi.h
@@ -0,0 +1,244 @@
+/* CYGNUS LOCAL (entire file) clm/arm-elf */
+/* Definitions of target machine for GNU compiler,
+ for Thumb with ELF obj format.
+ Copyright (C) 1995, 1996, 1997, 1998, 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. */
+
+#define OBJECT_FORMAT_ELF
+
+#define CPP_PREDEFINES "-Darm_oabi -Dthumb -Dthumbelf -D__thumb -Acpu(arm) -Amachine(arm)"
+
+#define ASM_SPEC "-moabi -marm7tdmi %{mthumb-interwork:-mthumb-interwork} %{mbig-endian:-EB}"
+
+#include "arm/thumb.h"
+
+/* Run-time Target Specification. */
+#undef TARGET_VERSION
+#define TARGET_VERSION fputs (" (Thumb/elf)", stderr)
+
+#define MULTILIB_DEFAULTS { "mlittle-endian" }
+
+/* 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;
+
+/* Debug */
+#define DWARF_DEBUGGING_INFO
+#define DWARF2_DEBUGGING_INFO
+#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
+
+
+/* Note - it is important that these definitions match those in semi.h for the ARM port. */
+#undef LOCAL_LABEL_PREFIX
+#define LOCAL_LABEL_PREFIX "."
+
+
+/* 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 ASM_IDENTIFY_GCC(STREAM) \
+ fprintf (STREAM, "%sgcc2_compiled.:\n", LOCAL_LABEL_PREFIX )
+
+#undef ASM_FILE_START
+#define ASM_FILE_START(STREAM) \
+do { \
+ extern char *version_string; \
+ fprintf ((STREAM), "%s Generated by gcc %s for Thumb/elf\n", \
+ ASM_COMMENT_START, version_string); \
+ fprintf ((STREAM), ASM_APP_OFF); \
+} while (0)
+
+/* A C statement to output something to the assembler file to switch to section
+ NAME for object DECL which is either a FUNCTION_DECL, a VAR_DECL or
+ NULL_TREE. Some target formats do not support arbitrary sections. Do not
+ define this macro in such cases. */
+#define ASM_OUTPUT_SECTION_NAME(STREAM, DECL, NAME, RELOC) \
+do { \
+ if ((DECL) && TREE_CODE (DECL) == FUNCTION_DECL) \
+ fprintf (STREAM, "\t.section %s,\"ax\",@progbits\n", (NAME)); \
+ else if ((DECL) && DECL_READONLY_SECTION (DECL, RELOC)) \
+ fprintf (STREAM, "\t.section %s,\"a\"\n", (NAME)); \
+ else \
+ fprintf (STREAM, "\t.section %s,\"aw\"\n", (NAME)); \
+} while (0)
+
+/* Support the ctors/dtors and other sections. */
+
+#undef INIT_SECTION_ASM_OP
+
+/* 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
+
+#undef READONLY_DATA_SECTION
+#define READONLY_DATA_SECTION rdata_section
+#undef RDATA_SECTION_ASM_OP
+#define RDATA_SECTION_ASM_OP "\t.section .rodata"
+
+#undef CTORS_SECTION_ASM_OP
+#define CTORS_SECTION_ASM_OP "\t.section .ctors,\"aw\""
+#undef DTORS_SECTION_ASM_OP
+#define DTORS_SECTION_ASM_OP "\t.section .dtors,\"aw\""
+
+#define USER_LABEL_PREFIX ""
+
+/* Don't know how to order these. UNALIGNED_WORD_ASM_OP is in
+ dwarf2.out. */
+#define UNALIGNED_WORD_ASM_OP ".4byte"
+
+#define ASM_OUTPUT_DWARF2_ADDR_CONST(FILE,ADDR) \
+ if (((ADDR)[0] == '.') && ((ADDR)[1] == 'L')) \
+ fprintf ((FILE), "\t%s\t%s", UNALIGNED_WORD_ASM_OP, (ADDR)); \
+ else \
+ fprintf ((FILE), "\t%s\t%s", \
+ UNALIGNED_WORD_ASM_OP, (ADDR))
+
+#define ASM_OUTPUT_DWARF_ADDR_CONST(FILE,RTX) \
+do { \
+ fprintf ((FILE), "\t%s\t", UNALIGNED_WORD_ASM_OP); \
+ output_addr_const ((FILE), (RTX)); \
+ fputc ('\n', (FILE)); \
+} while (0)
+
+/* This is how to equate one symbol to another symbol. The syntax used is
+ `SYM1=SYM2'. Note that this is different from the way equates are done
+ with most svr4 assemblers, where the syntax is `.set SYM1,SYM2'. */
+
+#define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2) \
+ do { fprintf ((FILE), "\t"); \
+ assemble_name (FILE, LABEL1); \
+ fprintf (FILE, " = "); \
+ assemble_name (FILE, LABEL2); \
+ fprintf (FILE, "\n"); \
+ } while (0)
+
+/* A list of other sections which the compiler might be "in" at any
+ given time. */
+#undef EXTRA_SECTIONS
+#define EXTRA_SECTIONS SUBTARGET_EXTRA_SECTIONS in_rdata, in_ctors, in_dtors
+
+#define SUBTARGET_EXTRA_SECTIONS
+
+/* A list of extra section function definitions. */
+
+#undef EXTRA_SECTION_FUNCTIONS
+#define EXTRA_SECTION_FUNCTIONS \
+ RDATA_SECTION_FUNCTION \
+ CTORS_SECTION_FUNCTION \
+ DTORS_SECTION_FUNCTION \
+ SUBTARGET_EXTRA_SECTION_FUNCTIONS
+
+#define SUBTARGET_EXTRA_SECTION_FUNCTIONS
+
+#define RDATA_SECTION_FUNCTION \
+void \
+rdata_section () \
+{ \
+ if (in_section != in_rdata) \
+ { \
+ fprintf (asm_out_file, "%s\n", RDATA_SECTION_ASM_OP); \
+ in_section = in_rdata; \
+ } \
+}
+
+#define CTOR_LIST_BEGIN \
+asm (CTORS_SECTION_ASM_OP); \
+func_ptr __CTOR_LIST__[1] = { (func_ptr) (-1) }
+
+#define CTOR_LIST_END \
+asm (CTORS_SECTION_ASM_OP); \
+func_ptr __CTOR_END__[1] = { (func_ptr) 0 };
+
+#define DTOR_LIST_BEGIN \
+asm (DTORS_SECTION_ASM_OP); \
+func_ptr __DTOR_LIST__[1] = { (func_ptr) (-1) }
+
+#define DTOR_LIST_END \
+asm (DTORS_SECTION_ASM_OP); \
+func_ptr __DTOR_END__[1] = { (func_ptr) 0 };
+
+#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; \
+ } \
+}
+
+#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; \
+ } \
+}
+
+/* Support the ctors/dtors sections for g++. */
+
+#define INT_ASM_OP ".word"
+
+#define INVOKE__main
+
+#undef STARTFILE_SPEC
+#define STARTFILE_SPEC "crtbegin%O%s crt0%O%s"
+
+#undef ENDFILE_SPEC
+#define ENDFILE_SPEC "crtend%O%s"
+
+/* A C statement (sans semicolon) to output an element in the table of
+ global constructors. */
+#undef 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)
+
+/* A C statement (sans semicolon) to output an element in the table of
+ global destructors. */
+#undef 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)
+
+/* The ARM development system has atexit and doesn't have _exit,
+ so define this for now. */
+#define HAVE_ATEXIT
+
+/* The ARM development system defines __main. */
+#define NAME__MAIN "__gccmain"
+#define SYMBOL__MAIN __gccmain