/* Definitions for Intel 386 running FreeBSD with ELF format Copyright (C) 1996, 2000 Free Software Foundation, Inc. Contributed by Eric Youngdale. Modified for stabs-in-ELF by H.J. Lu. Adapted from GNU/Linux version by John Polstra. Continued development by David O'Brien 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. */ #undef TARGET_VERSION #define TARGET_VERSION fprintf (stderr, " (i386 FreeBSD/ELF)"); /* Override the default comment-starter of "/". */ #undef ASM_COMMENT_START #define ASM_COMMENT_START "#" #undef ASM_APP_ON #define ASM_APP_ON "#APP\n" #undef ASM_APP_OFF #define ASM_APP_OFF "#NO_APP\n" #undef SET_ASM_OP #define SET_ASM_OP "\t.set\t" /* This is how to output an element of a case-vector that is relative. This is only used for PIC code. See comments by the `casesi' insn in i386.md for an explanation of the expression this outputs. */ #undef ASM_OUTPUT_ADDR_DIFF_ELT #define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \ fprintf ((FILE), "\t.long _GLOBAL_OFFSET_TABLE_+[.-%s%d]\n", LPREFIX, VALUE) /* Indicate that jump tables go in the text section. This is necessary when compiling PIC code. */ #define JUMP_TABLES_IN_TEXT_SECTION (flag_pic) #undef DBX_REGISTER_NUMBER #define DBX_REGISTER_NUMBER(n) svr4_dbx_register_map[n] #undef NO_PROFILE_COUNTERS #define NO_PROFILE_COUNTERS /* Tell final.c that we don't need a label passed to mcount. */ #undef FUNCTION_PROFILER #define FUNCTION_PROFILER(FILE, LABELNO) \ { \ if (flag_pic) \ fprintf ((FILE), "\tcall *.mcount@GOT(%%ebx)\n"); \ else \ fprintf ((FILE), "\tcall .mcount\n"); \ } /* Make gcc agree with . */ #undef SIZE_TYPE #define SIZE_TYPE "unsigned int" #undef PTRDIFF_TYPE #define PTRDIFF_TYPE "int" #undef WCHAR_TYPE_SIZE #define WCHAR_TYPE_SIZE BITS_PER_WORD #undef CPP_PREDEFINES #define CPP_PREDEFINES "-Dunix -D__ELF__ -D__FreeBSD__\ -Asystem=unix -Asystem=bsd -Asystem=FreeBSD" /* Provide a STARTFILE_SPEC appropriate for FreeBSD. Here we add the magical crtbegin.o file (see crtstuff.c) which provides part of the support for getting C++ file-scope static object constructed before entering `main'. */ #undef STARTFILE_SPEC #define STARTFILE_SPEC \ "%{!shared: \ %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} \ %{!p:%{profile:gcrt1.o%s} \ %{!profile:crt1.o%s}}}} \ crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}" /* Provide a ENDFILE_SPEC appropriate for FreeBSD. Here we tack on the magical crtend.o file (see crtstuff.c) which provides part of the support for getting C++ file-scope static object constructed before entering `main', followed by a normal "finalizer" file, `crtn.o'. */ #undef ENDFILE_SPEC #define ENDFILE_SPEC \ "%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s" /* Provide a LINK_SPEC appropriate for FreeBSD. Here we provide support for the special GCC options -static and -shared, which allow us to link things in one of these three modes by applying the appropriate combinations of options at link-time. We like to support here for as many of the other GNU linker options as possible. But I don't have the time to search for those flags. I am sure how to add support for -soname shared_object_name. H.J. I took out %{v:%{!V:-V}}. It is too much :-(. They can use -Wl,-V. When the -shared link option is used a final link is not being done. */ #undef LINK_SPEC #define LINK_SPEC "-m elf_i386 \ %{Wl,*:%*} \ %{v:-V} \ %{assert*} %{R*} %{rpath*} %{defsym*} \ %{shared:-Bshareable %{h*} %{soname*}} \ %{!shared: \ %{!static: \ %{rdynamic:-export-dynamic} \ %{!dynamic-linker:-dynamic-linker /usr/libexec/ld-elf.so.1}} \ %{static:-Bstatic}} \ %{symbolic:-Bsymbolic}" /* A C statement to output to the stdio stream FILE an assembler command to advance the location counter to a multiple of 1<