release/4.2.0_cvs

1 files changed, 164 insertions, 0 deletions

diff --git a/contrib/gcc/config/mips/iris5.h b/contrib/gcc/config/mips/iris5.h
new file mode 100644
index 0000000000000..7910eef88d6dd
--- /dev/null
+++ b/contrib/gcc/config/mips/iris5.h
@@ -0,0 +1,164 @@
+/* Definitions of target machine for GNU compiler.  Iris version 5.
+   Copyright (C) 1993, 1995, 1996, 1998 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.  */
+
+#ifndef TARGET_DEFAULT
+#define	TARGET_DEFAULT	MASK_ABICALLS
+#endif
+#define ABICALLS_ASM_OP ".option pic2"
+
+#include "mips/iris3.h"
+#include "mips/mips.h"
+#include "mips/iris4.h"
+
+/* Irix 5 doesn't use COFF, so disable special COFF handling in collect2.c.  */
+#undef OBJECT_FORMAT_COFF
+
+/* ??? This is correct, but not very useful, because there is no file that
+   uses this macro.  */
+/* ??? The best way to handle global constructors under ELF is to use .init
+   and .fini sections.  Unfortunately, there is apparently no way to get
+   the Irix 5.x (x <= 2) assembler to create these sections.  So we instead
+   use collect.  The linker can create these sections via -init and -fini
+   options, but using this would require modifying how crtstuff works, and
+   I will leave that for another time (or someone else).  */
+#define OBJECT_FORMAT_ELF
+#define HAS_INIT_SECTION
+#define LD_INIT_SWITCH "-init"
+#define LD_FINI_SWITCH "-fini"
+
+/* Specify wchar_t types.  */
+#undef	WCHAR_TYPE
+#undef	WCHAR_TYPE_SIZE
+#undef	MAX_WCHAR_TYPE_SIZE
+
+#define WCHAR_TYPE	"long int"
+#define WCHAR_TYPE_SIZE	LONG_TYPE_SIZE
+#define MAX_WCHAR_TYPE_SIZE	MAX_LONG_TYPE_SIZE
+
+#define WORD_SWITCH_TAKES_ARG(STR)			\
+ (DEFAULT_WORD_SWITCH_TAKES_ARG (STR)			\
+  || !strcmp (STR, "rpath"))
+
+#undef SUBTARGET_CC1_SPEC
+#define SUBTARGET_CC1_SPEC "%{static: -mno-abicalls}"
+
+/* ??? _MIPS_SIM and _MIPS_SZPTR should eventually depend on options when
+   options for them exist.  */
+
+#undef CPP_PREDEFINES
+#define CPP_PREDEFINES \
+ "-Dunix -Dmips -Dsgi -Dhost_mips -DMIPSEB -D_MIPSEB -DSYSTYPE_SVR4 \
+  -D_SVR4_SOURCE -D_MODERN_C -D__DSO__ \
+  -D_MIPS_SIM=_MIPS_SIM_ABI32 -D_MIPS_SZPTR=32 \
+  -Asystem(unix) -Asystem(svr4) -Acpu(mips) -Amachine(sgi)"
+
+#undef SUBTARGET_CPP_SPEC
+#define SUBTARGET_CPP_SPEC "\
+%{!ansi:-D__EXTENSIONS__ -D_SGI_SOURCE -D_LONGLONG} \
+%{!mfp64: -D_MIPS_FPSET=16}%{mfp64: -D_MIPS_FPSET=32} \
+%{mips1: -D_MIPS_ISA=_MIPS_ISA_MIPS1} \
+%{mips2: -D_MIPS_ISA=_MIPS_ISA_MIPS2} \
+%{mips3: -D_MIPS_ISA=_MIPS_ISA_MIPS3} \
+%{!mips1: %{!mips2: %{!mips3: -D_MIPS_ISA=_MIPS_ISA_MIPS1}}} \
+%{!mint64: -D_MIPS_SZINT=32}%{mint64: -D_MIPS_SZINT=64} \
+%{!mlong64: -D_MIPS_SZLONG=32}%{mlong64: -D_MIPS_SZLONG=64}"
+
+#undef LINK_SPEC
+#define LINK_SPEC "\
+%{G*} %{EB} %{EL} %{mips1} %{mips2} %{mips3} \
+%{bestGnum} %{shared} %{non_shared} \
+%{call_shared} %{no_archive} %{exact_version} \
+%{static: -non_shared} \
+%{!static: \
+  %{!shared:%{!non_shared:%{!call_shared: -call_shared -no_unresolved}}}} \
+%{rpath} \
+-_SYSTYPE_SVR4"
+
+/* We now support shared libraries.  */
+#undef STARTFILE_SPEC
+#define STARTFILE_SPEC "\
+%{!static: \
+  %{!shared:%{pg:gcrt1.o%s}%{!pg:%{p:mcrt1.o%s libprof1.a%s}%{!p:crt1.o%s}}}} \
+%{static: \
+  %{pg:gcrt1.o%s} \
+  %{!pg:%{p:/usr/lib/nonshared/mcrt1.o%s libprof1.a%s} \
+  %{!p:/usr/lib/nonshared/crt1.o%s}}}"
+
+#undef LIB_SPEC
+#define LIB_SPEC "%{!shared:%{p:-lprof1} %{pg:-lprof1} -lc}"
+
+#undef ENDFILE_SPEC
+#define ENDFILE_SPEC "%{!shared:crtn.o%s}"
+
+/* We do not want to run mips-tfile!  */
+#undef ASM_FINAL_SPEC
+
+/* The system header files are C++ aware. */
+/* ??? Unfortunately, most but not all of the headers are C++ aware.
+   Specifically, curses.h is not, and as a consequence, defining this
+   used to prevent libg++ building.  This is no longer the case so
+   define it again to prevent other problems, e.g. with getopt in
+   unistd.h.  We still need some way to fix just those files that need
+   fixing.  */
+#define NO_IMPLICIT_EXTERN_C 1
+
+/* We don't support debugging info for now. */
+#undef DBX_DEBUGGING_INFO
+#undef SDB_DEBUGGING_INFO
+#undef MIPS_DEBUGGING_INFO
+#undef PREFERRED_DEBUGGING_TYPE
+
+/* Likewise, the assembler doesn't handle DWARF2 directives.  */
+#define DWARF2_UNWIND_INFO 0
+
+#undef MACHINE_TYPE
+#define MACHINE_TYPE "SGI running IRIX 5.x"
+
+ /* Dollar signs are OK in Irix5 but not in Irix3.  */
+#undef DOLLARS_IN_IDENTIFIERS
+#undef NO_DOLLAR_IN_LABEL
+
+/* -G is incompatible with -KPIC which is the default, so only allow objects
+   in the small data section if the user explicitly asks for it.  */
+#undef MIPS_DEFAULT_GVALUE
+#define MIPS_DEFAULT_GVALUE 0
+
+/* In Irix 5, we must output a `.global name .text' directive for every used
+   but undefined function.  If we don't, the linker may perform an optimization
+   (skipping over the insns that set $gp) when it is unsafe.  This is used
+   indirectly by ASM_OUTPUT_EXTERNAL.  */
+#define ASM_OUTPUT_UNDEF_FUNCTION(FILE, NAME)	\
+do {						\
+  fputs ("\t.globl ", FILE);			\
+  assemble_name (FILE, NAME);			\
+  fputs (" .text\n", FILE);			\
+} while (0)
+
+/* Also do this for libcalls.  */
+#define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, FUN)	\
+  mips_output_external_libcall (FILE, XSTR (FUN, 0))
+
+/* This does for functions what ASM_DECLARE_OBJECT_NAME does for variables.
+   This is used indirectly by ASM_OUTPUT_EXTERNAL.  */
+#define ASM_DECLARE_FUNCTION_SIZE(STREAM, NAME, DECL)	\
+do {							\
+  tree name_tree = get_identifier (NAME);		\
+  TREE_ASM_WRITTEN (name_tree) = 1;			\
+} while (0)