/* 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 LABEL_ALIGN_AFTER_BARRIER #define LABEL_ALIGN_AFTER_BARRIER(LABEL) (i386_align_jumps) /* Align start of loop at 4-byte boundary. */ #undef LOOP_ALIGN #define LOOP_ALIGN(LABEL) (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"