mirror of
https://github.com/pmret/gcc-papermario.git
synced 2024-11-08 20:02:47 +01:00
87 lines
3.0 KiB
C
87 lines
3.0 KiB
C
/* Definitions for Intel 386 running system V, using dbx-in-coff encapsulation.
|
|
Copyright (C) 1992, 1995 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. */
|
|
|
|
#include "i386/svr3gas.h"
|
|
|
|
/* We do not want to output SDB debugging information. */
|
|
|
|
#undef SDB_DEBUGGING_INFO
|
|
|
|
/* We want to output DBX debugging information. */
|
|
|
|
#define DBX_DEBUGGING_INFO
|
|
|
|
/* Compensate for botch in dbxout_init/dbxout_source_file which
|
|
unconditionally drops the first character from ltext_label_name */
|
|
|
|
#undef ASM_GENERATE_INTERNAL_LABEL
|
|
#define ASM_GENERATE_INTERNAL_LABEL(BUF,PREFIX,NUMBER) \
|
|
sprintf ((BUF), "*.%s%d", (PREFIX), (NUMBER))
|
|
|
|
/* With the current gas, .align N aligns to an N-byte boundary.
|
|
This is done to be compatible with the system assembler.
|
|
You must specify -DOTHER_ALIGN when building gas-1.38.1. */
|
|
|
|
#undef ASM_OUTPUT_ALIGN
|
|
#define ASM_OUTPUT_ALIGN(FILE,LOG) \
|
|
if ((LOG)!=0) fprintf ((FILE), "\t.align %d\n", 1<<(LOG))
|
|
|
|
/* Align labels, etc. at 4-byte boundaries.
|
|
For the 486, align to 16-byte boundary for sake of cache. */
|
|
|
|
#undef ASM_OUTPUT_ALIGN_CODE
|
|
#define ASM_OUTPUT_ALIGN_CODE(FILE) \
|
|
fprintf ((FILE), "\t.align %d,0x90\n", \
|
|
1 << i386_align_jumps)
|
|
|
|
/* Align start of loop at 4-byte boundary. */
|
|
|
|
#undef ASM_OUTPUT_LOOP_ALIGN
|
|
#define ASM_OUTPUT_LOOP_ALIGN(FILE) \
|
|
fprintf ((FILE), "\t.align %d,0x90\n", 1 << i386_align_loops);
|
|
|
|
|
|
/* Additional overrides needed for dbx-in-coff gas, mostly taken from pbb.h */
|
|
|
|
/* Although the gas we use can create .ctor and .dtor sections from N_SETT
|
|
stabs, it does not support section directives, so we need to have the loader
|
|
define the lists.
|
|
*/
|
|
#define CTOR_LISTS_DEFINED_EXTERNALLY
|
|
|
|
/* Use crt1.o as a startup file and crtn.o as a closing file. */
|
|
/*
|
|
* The loader directive file svr3.ifile defines how to merge the constructor
|
|
* sections into the data section. Also, since gas only puts out those
|
|
* sections in response to N_SETT stabs, and does not (yet) have a
|
|
* ".sections" directive, svr3.ifile also defines the list symbols
|
|
* __DTOR_LIST__ and __CTOR_LIST__.
|
|
*/
|
|
#undef STARTFILE_SPEC
|
|
#define STARTFILE_SPEC \
|
|
"%{!r:%{!z:svr3.ifile%s}%{z:svr3z.ifile%s}}\
|
|
%{pg:gcrt1.o%s}%{!pg:%{posix:%{p:mcrtp1.o%s}%{!p:crtp1.o%s}}%{!posix:%{p:mcrt1.o%s}%{!p:crt1.o%s}}} \
|
|
%{p:-L/usr/lib/libp}%{pg:-L/usr/lib/libp}"
|
|
|
|
#define ENDFILE_SPEC "crtn.o%s"
|
|
|
|
#undef LIB_SPEC
|
|
#define LIB_SPEC "%{posix:-lcposix} %{shlib:-lc_s} -lc -lg"
|