152 lines
5.3 KiB
C++
152 lines
5.3 KiB
C++
$NetBSD: patch-.._gcc-4.0.3_gcc_config_i386_dragonfly.h,v 1.1 2011/02/19 16:06:31 rumko Exp $
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DragonFly BSD support.
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--- /dev/null 2011-02-01 20:59:25 +0100
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+++ ../gcc-4.0.3/gcc/config/i386/dragonfly.h 2011-02-01 19:38:39 +0100
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@@ -0,0 +1,145 @@
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+/* Definitions for Intel 386 running DragonFly with ELF format
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+ Copyright (C) 1996, 2000, 2002, 2004 Free Software Foundation, Inc.
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+ Contributed by Eric Youngdale.
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+ Modified for stabs-in-ELF by H.J. Lu.
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+ Adapted from GNU/Linux version by John Polstra.
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+ Continued development by David O'Brien <obrien@freebsd.org>
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+
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+This file is part of GCC.
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+
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+GCC is free software; you can redistribute it and/or modify
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+it under the terms of the GNU General Public License as published by
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+the Free Software Foundation; either version 2, or (at your option)
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+any later version.
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+
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+GCC is distributed in the hope that it will be useful,
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+but WITHOUT ANY WARRANTY; without even the implied warranty of
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+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+GNU General Public License for more details.
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+
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+You should have received a copy of the GNU General Public License
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+along with GCC; see the file COPYING. If not, write to
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+the Free Software Foundation, 59 Temple Place - Suite 330,
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+Boston, MA 02111-1307, USA. */
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+
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+
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+#define TARGET_VERSION fprintf (stderr, " (i386 DragonFly/ELF)");
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+
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+/* Override the default comment-starter of "/". */
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+#undef ASM_COMMENT_START
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+#define ASM_COMMENT_START "#"
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+
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+#undef ASM_APP_ON
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+#define ASM_APP_ON "#APP\n"
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+
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+#undef ASM_APP_OFF
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+#define ASM_APP_OFF "#NO_APP\n"
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+
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+#undef DBX_REGISTER_NUMBER
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+#define DBX_REGISTER_NUMBER(n) \
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+ (TARGET_64BIT ? dbx64_register_map[n] : svr4_dbx_register_map[n])
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+
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+#undef NO_PROFILE_COUNTERS
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+#define NO_PROFILE_COUNTERS 1
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+
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+/* Tell final.c that we don't need a label passed to mcount. */
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+
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+#undef MCOUNT_NAME
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+#define MCOUNT_NAME ".mcount"
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+
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+/* Make gcc agree with <machine/ansi.h>. */
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+
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+#if 0
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+#undef SIZE_TYPE
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+#define SIZE_TYPE (TARGET_64BIT ? "long unsigned int" : "unsigned int")
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+
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+#undef PTRDIFF_TYPE
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+#define PTRDIFF_TYPE (TARGET_64BIT ? "long int" : "int")
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+
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+#undef WCHAR_TYPE_SIZE
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+#define WCHAR_TYPE_SIZE (TARGET_64BIT ? 32 : BITS_PER_WORD)
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+#endif
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+
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+#undef SUBTARGET_EXTRA_SPECS /* i386.h bogusly defines it. */
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+#define SUBTARGET_EXTRA_SPECS \
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+ { "dfly_dynamic_linker", DFLY_DYNAMIC_LINKER }
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+
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+/* Provide a STARTFILE_SPEC appropriate for DragonFly. Here we add
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+ the magical crtbegin.o file (see crtstuff.c) which provides part
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+ of the support for getting C++ file-scope static object constructed
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+ before entering `main'. */
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+
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+#undef STARTFILE_SPEC
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+#define STARTFILE_SPEC \
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+ "%{!shared: \
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+ %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} \
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+ %{!p:%{profile:gcrt1.o%s} \
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+ %{!profile:crt1.o%s}}}} \
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+ crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
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+
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+/* Provide a ENDFILE_SPEC appropriate for DragonFly. Here we tack on
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+ the magical crtend.o file (see crtstuff.c) which provides part of
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+ the support for getting C++ file-scope static object constructed
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+ before entering `main', followed by a normal "finalizer" file,
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+ `crtn.o'. */
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+
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+#undef ENDFILE_SPEC
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+#define ENDFILE_SPEC \
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+ "%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
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+
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+/* Provide a LINK_SPEC appropriate for DragonFly.
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+ Here we provide support for the special GCC options -static and
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+ -shared, which allow us to link things in one of these three modes
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+ by applying the appropriate combinations of options at link-time.
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+ We like to support here for as many of the other GNU linker
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+ options as possible. But I don't have the time to search for
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+ those flags. I am sure how to add support for -soname
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+ shared_object_name. H.J.
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+
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+ I took out %{v:%{!V:-V}}. It is too much :-(. They can use
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+ -Wl,-V.
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+
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+ When the -shared link option is used a final link is not being
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+ done. */
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+
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+#undef LINK_SPEC
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+#define LINK_SPEC "\
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+ %{p:%nconsider using `-pg' instead of `-p' with gprof(1)} \
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+ %{Wl,*:%*} \
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+ %{v:-V} \
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+ %{assert*} %{R*} %{rpath*} %{defsym*} \
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+ %{shared:-Bshareable %{h*} %{soname*}} \
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+ %{!shared: \
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+ %{!static: \
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+ %{rdynamic:-export-dynamic} \
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+ %{!dynamic-linker:-dynamic-linker %(dfly_dynamic_linker) }} \
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+ %{static:-Bstatic}} \
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+ %{symbolic:-Bsymbolic}"
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+
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+/* A C statement to output to the stdio stream FILE an assembler
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+ command to advance the location counter to a multiple of 1<<LOG
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+ bytes if it is within MAX_SKIP bytes.
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+
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+ This is used to align code labels according to Intel recommendations. */
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+
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+#ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
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+#undef ASM_OUTPUT_MAX_SKIP_ALIGN
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+#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE, LOG, MAX_SKIP) \
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+ if ((LOG) != 0) { \
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+ if ((MAX_SKIP) == 0) fprintf ((FILE), "\t.p2align %d\n", (LOG)); \
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+ else fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \
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+ }
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+#endif
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+
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+/* Don't default to pcc-struct-return, we want to retain compatibility with
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+ older gcc versions AND pcc-struct-return is nonreentrant.
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+ (even though the SVR4 ABI for the i386 says that records and unions are
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+ returned in memory). */
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+
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+#undef DEFAULT_PCC_STRUCT_RETURN
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+#define DEFAULT_PCC_STRUCT_RETURN 0
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+
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+/* DragonFly sets the rounding precision of the FPU to 53 bits. Let the
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+ compiler get the contents of <float.h> and std::numeric_limits correct. */
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+#undef TARGET_96_ROUND_53_LONG_DOUBLE
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+#define TARGET_96_ROUND_53_LONG_DOUBLE (!TARGET_64BIT)
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