| /* Definitions of target machine for GNU compiler. |
| m68k series COFF object files and debugging, version. |
| Copyright (C) 1994, 1996, 1997, 2000, 2002, 2003, 2004 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 2, 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 COPYING. If not, write to |
| the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
| Boston, MA 02110-1301, USA. */ |
| |
| /* This file is included after m68k.h by CPU COFF specific files. It |
| is not a complete target itself. */ |
| |
| /* Used in m68k.c to include required support code. */ |
| |
| #define M68K_TARGET_COFF 1 |
| |
| /* Generate sdb debugging information. */ |
| |
| #define SDB_DEBUGGING_INFO 1 |
| |
| /* COFF symbols don't start with an underscore. */ |
| |
| #undef USER_LABEL_PREFIX |
| #define USER_LABEL_PREFIX "" |
| |
| /* Use a prefix for local labels, just to be on the save side. */ |
| |
| #undef LOCAL_LABEL_PREFIX |
| #define LOCAL_LABEL_PREFIX "." |
| |
| /* Use a register prefix to avoid clashes with external symbols (classic |
| example: `extern char PC;' in termcap). */ |
| |
| #undef REGISTER_PREFIX |
| #define REGISTER_PREFIX "%" |
| |
| /* In the machine description we can't use %R, because it will not be seen |
| by ASM_FPRINTF. (Isn't that a design bug?). */ |
| |
| #undef REGISTER_PREFIX_MD |
| #define REGISTER_PREFIX_MD "%%" |
| |
| /* config/m68k.md has an explicit reference to the program counter, |
| prefix this by the register prefix. */ |
| |
| #define ASM_RETURN_CASE_JUMP \ |
| do { \ |
| if (TARGET_COLDFIRE) \ |
| { \ |
| if (ADDRESS_REG_P (operands[0])) \ |
| return "jmp %%pc@(2,%0:l)"; \ |
| else \ |
| return "ext%.l %0\n\tjmp %%pc@(2,%0:l)"; \ |
| } \ |
| else \ |
| return "jmp %%pc@(2,%0:w)"; \ |
| } while (0) |
| |
| #define TARGET_ASM_FILE_START_FILE_DIRECTIVE true |
| |
| /* If defined, a C expression whose value is a string containing the |
| assembler operation to identify the following data as uninitialized global |
| data. */ |
| |
| #define BSS_SECTION_ASM_OP "\t.section\t.bss" |
| |
| /* A C statement (sans semicolon) to output to the stdio stream |
| FILE the assembler definition of uninitialized global DECL named |
| NAME whose size is SIZE bytes and alignment is ALIGN bytes. |
| Try to use asm_output_aligned_bss to implement this macro. */ |
| |
| #define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \ |
| asm_output_aligned_bss ((FILE), (DECL), (NAME), (SIZE), (ALIGN)) |
| |
| /* Switch into a generic section. */ |
| #undef TARGET_ASM_NAMED_SECTION |
| #define TARGET_ASM_NAMED_SECTION m68k_coff_asm_named_section |
| |
| /* Don't assume anything about startfiles. */ |
| |
| #undef STARTFILE_SPEC |
| #define STARTFILE_SPEC "" |