| /* 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 <obrien@freebsd.org> |
| |
| 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" |
| |
| #undef DBX_REGISTER_NUMBER |
| #define DBX_REGISTER_NUMBER(n) \ |
| (TARGET_64BIT ? dbx64_register_map[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 <machine/ansi.h>. */ |
| |
| #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 |
| |
| /* 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<<LOG |
| bytes if it is within MAX_SKIP bytes. |
| |
| This is used to align code labels according to Intel recommendations. */ |
| |
| #ifdef HAVE_GAS_MAX_SKIP_P2ALIGN |
| #define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE, LOG, MAX_SKIP) \ |
| if ((LOG) != 0) { \ |
| if ((MAX_SKIP) == 0) fprintf ((FILE), "\t.p2align %d\n", (LOG)); \ |
| else fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \ |
| } |
| #endif |