--- /dev/null
+/* Definitions of target machine for GNU compiler,
+ for Thumb with COFF obj format.
+ Copyright (C) 1995, 1996 Free Software Foundation, Inc.
+ Derived from arm/coff.h originally by Doug Evans (dje@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. */
+
+#include "arm/thumb.h"
+\f
+/* Run-time Target Specification. */
+#undef TARGET_VERSION
+#define TARGET_VERSION fputs (" (Thumb/coff)", stderr)
+
+#define MULTILIB_DEFAULTS { "mlittle-endian" }
+\f
+/* 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;
+\f
+/* This is COFF, but prefer stabs. */
+#define SDB_DEBUGGING_INFO
+
+#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
+
+#include "dbxcoff.h"
+\f
+/* Note - it is important that these definitions match those in semi.h for the ARM port. */
+#undef LOCAL_LABEL_PREFIX
+#define LOCAL_LABEL_PREFIX "."
+
+#undef USER_LABEL_PREFIX
+#define USER_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/coff\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,\"x\"\n", (NAME)); \
+ else if ((DECL) && DECL_READONLY_SECTION (DECL, RELOC)) \
+ fprintf (STREAM, "\t.section %s,\"\"\n", (NAME)); \
+ else \
+ fprintf (STREAM, "\t.section %s,\"w\"\n", (NAME)); \
+} while (0)
+\f
+/* 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
+
+#undef READONLY_DATA_SECTION
+#define READONLY_DATA_SECTION rdata_section
+#undef RDATA_SECTION_ASM_OP
+#define RDATA_SECTION_ASM_OP "\t.section .rdata"
+
+#undef CTORS_SECTION_ASM_OP
+#define CTORS_SECTION_ASM_OP "\t.section .ctors,\"x\""
+#undef DTORS_SECTION_ASM_OP
+#define DTORS_SECTION_ASM_OP "\t.section .dtors,\"x\""
+
+/* 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 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; \
+ } \
+}
+\f
+/* Support the ctors/dtors sections for g++. */
+
+#define INT_ASM_OP ".word"
+
+/* 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)
+
+/* __CTOR_LIST__ and __DTOR_LIST__ must be defined by the linker script. */
+#define CTOR_LISTS_DEFINED_EXTERNALLY
+
+#undef DO_GLOBAL_CTORS_BODY
+#undef DO_GLOBAL_DTORS_BODY
+
+/* 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
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