| /* Definitions of target machine for GNU compiler. |
| m68k series COFF object files and debugging, version. |
| Copyright (C) 1994, 1996, 1997, 2000 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. */ |
| |
| /* This file is included after m68k.h by CPU COFF specific files. It |
| is not a complete target itself. */ |
| |
| /* Generate sdb debugging information. */ |
| |
| #define SDB_DEBUGGING_INFO |
| |
| /* Output DBX (stabs) debugging information if using -gstabs. */ |
| |
| #include "dbxcoff.h" |
| |
| /* 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_5200) \ |
| return "ext%.l %0\n\tjmp %%pc@(2,%0:l)"; \ |
| else \ |
| return "jmp %%pc@(2,%0:w)"; \ |
| } while (0) |
| |
| /* Here are the new register names. */ |
| |
| #undef REGISTER_NAMES |
| #ifndef SUPPORT_SUN_FPA |
| #define REGISTER_NAMES \ |
| {"%d0", "%d1", "%d2", "%d3", "%d4", "%d5", "%d6", "%d7", \ |
| "%a0", "%a1", "%a2", "%a3", "%a4", "%a5", "%a6", "%sp", \ |
| "%fp0", "%fp1", "%fp2", "%fp3", "%fp4", "%fp5", "%fp6", "%fp7" } |
| #else /* SUPPORTED_SUN_FPA */ |
| #define REGISTER_NAMES \ |
| {"%d0", "%d1", "%d2", "%d3", "%d4", "%d5", "%d6", "%d7", \ |
| "%a0", "%a1", "%a2", "%a3", "%a4", "%a5", "%a6", "%sp", \ |
| "%fp0", "%fp1", "%fp2", "%fp3", "%fp4", "%fp5", "%fp6", "%fp7", \ |
| "%fpa0", "%fpa1", "%fpa2", "%fpa3", "%fpa4", "%fpa5", "%fpa6", "%fpa7", \ |
| "%fpa8", "%fpa9", "%fpa10", "%fpa11", "%fpa12", "%fpa13", "%fpa14", "%fpa15", \ |
| "%fpa16", "%fpa17", "%fpa18", "%fpa19", "%fpa20", "%fpa21", "%fpa22", "%fpa23", \ |
| "%fpa24", "%fpa25", "%fpa26", "%fpa27", "%fpa28", "%fpa29", "%fpa30", "%fpa31" } |
| #endif /* defined SUPPORT_SUN_FPA */ |
| |
| #undef ASM_FILE_START |
| #define ASM_FILE_START(FILE) \ |
| output_file_directive ((FILE), main_input_filename) |
| |
| /* 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 "" |