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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.2.2/] [gcc/] [config/] [i386/] [freebsd.h] - Rev 247
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/* Definitions for Intel 386 running FreeBSD with ELF format Copyright (C) 1996, 2000, 2002, 2004, 2007 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 GCC. GCC 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 3, or (at your option) any later version. GCC 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 GCC; see the file COPYING3. If not see <http://www.gnu.org/licenses/>. */ #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 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 1 /* Tell final.c that we don't need a label passed to mcount. */ #undef MCOUNT_NAME #define MCOUNT_NAME ".mcount" /* Make gcc agree with <machine/ansi.h>. */ #undef SIZE_TYPE #define SIZE_TYPE (TARGET_64BIT ? "long unsigned int" : "unsigned int") #undef PTRDIFF_TYPE #define PTRDIFF_TYPE (TARGET_64BIT ? "long int" : "int") #undef WCHAR_TYPE_SIZE #define WCHAR_TYPE_SIZE (TARGET_64BIT ? 32 : BITS_PER_WORD) #undef SUBTARGET_EXTRA_SPECS /* i386.h bogusly defines it. */ #define SUBTARGET_EXTRA_SPECS \ { "fbsd_dynamic_linker", FBSD_DYNAMIC_LINKER } /* 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 "\ %{p:%nconsider using `-pg' instead of `-p' with gprof(1)} \ %{v:-V} \ %{assert*} %{R*} %{rpath*} %{defsym*} \ %{shared:-Bshareable %{h*} %{soname*}} \ %{!shared: \ %{!static: \ %{rdynamic:-export-dynamic} \ %{!dynamic-linker:-dynamic-linker %(fbsd_dynamic_linker) }} \ %{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 #undef ASM_OUTPUT_MAX_SKIP_ALIGN #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 /* Don't default to pcc-struct-return, we want to retain compatibility with older gcc versions AND pcc-struct-return is nonreentrant. (even though the SVR4 ABI for the i386 says that records and unions are returned in memory). */ #undef DEFAULT_PCC_STRUCT_RETURN #define DEFAULT_PCC_STRUCT_RETURN 0 /* FreeBSD sets the rounding precision of the FPU to 53 bits. Let the compiler get the contents of <float.h> and std::numeric_limits correct. */ #undef TARGET_96_ROUND_53_LONG_DOUBLE #define TARGET_96_ROUND_53_LONG_DOUBLE (!TARGET_64BIT)
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