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julius |
/* Definitions of target machine for GNU compiler.
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m68k series COFF object files and debugging, version.
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Copyright (C) 1994, 1996, 1997, 2000, 2002, 2003, 2004, 2007
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Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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/* This file is included after m68k.h by CPU COFF specific files. It
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is not a complete target itself. */
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/* Used in m68k.c to include required support code. */
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#define M68K_TARGET_COFF 1
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/* Generate sdb debugging information. */
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#define SDB_DEBUGGING_INFO 1
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/* COFF symbols don't start with an underscore. */
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#undef USER_LABEL_PREFIX
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#define USER_LABEL_PREFIX ""
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/* Use a prefix for local labels, just to be on the save side. */
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#undef LOCAL_LABEL_PREFIX
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#define LOCAL_LABEL_PREFIX "."
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/* Use a register prefix to avoid clashes with external symbols (classic
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example: `extern char PC;' in termcap). */
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#undef REGISTER_PREFIX
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#define REGISTER_PREFIX "%"
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/* In the machine description we can't use %R, because it will not be seen
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by ASM_FPRINTF. (Isn't that a design bug?). */
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#undef REGISTER_PREFIX_MD
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#define REGISTER_PREFIX_MD "%%"
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/* config/m68k.md has an explicit reference to the program counter,
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prefix this by the register prefix. */
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#define ASM_RETURN_CASE_JUMP \
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do { \
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if (TARGET_COLDFIRE) \
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{ \
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if (ADDRESS_REG_P (operands[0])) \
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return "jmp %%pc@(2,%0:l)"; \
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else \
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return "ext%.l %0\n\tjmp %%pc@(2,%0:l)"; \
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} \
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else \
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return "jmp %%pc@(2,%0:w)"; \
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} while (0)
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#define TARGET_ASM_FILE_START_FILE_DIRECTIVE true
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/* If defined, a C expression whose value is a string containing the
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assembler operation to identify the following data as uninitialized global
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data. */
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#define BSS_SECTION_ASM_OP "\t.section\t.bss"
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/* A C statement (sans semicolon) to output to the stdio stream
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FILE the assembler definition of uninitialized global DECL named
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NAME whose size is SIZE bytes and alignment is ALIGN bytes.
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Try to use asm_output_aligned_bss to implement this macro. */
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#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
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asm_output_aligned_bss ((FILE), (DECL), (NAME), (SIZE), (ALIGN))
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/* Switch into a generic section. */
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#undef TARGET_ASM_NAMED_SECTION
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#define TARGET_ASM_NAMED_SECTION m68k_coff_asm_named_section
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/* Don't assume anything about startfiles. */
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#undef STARTFILE_SPEC
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#define STARTFILE_SPEC ""
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