--- /dev/null
+/* OSF/1 1.3 now is compitable with SVR4, so include sysv4.h, and
+ put difference here. */
+
+#include <stdio.h>
+#include "i386/sysv4.h" /* Base i386 target machine definitions */
+#define _sys_siglist sys_siglist
+extern char *sys_siglist[];
+
+#undef TARGET_VERSION
+#define TARGET_VERSION fprintf (stderr, " (i386 OSF/1)");
+
+/* WORD_SWITCH_TAKES_ARG defined in svr4 is not correct. We also
+ need an extra -soname */
+#undef WORD_SWITCH_TAKES_ARG
+#define WORD_SWITCH_TAKES_ARG(STR) \
+ (DEFAULT_WORD_SWITCH_TAKES_ARG (STR) \
+ || !strcmp (STR, "Tdata") || !strcmp (STR, "Ttext") \
+ || !strcmp (STR, "Tbss") || !strcmp (STR, "soname"))
+
+/* Note, -fpic and -fPIC are equivalent */
+#undef CPP_SPEC
+#define CPP_SPEC "\
+%{fpic: -D__SHARED__} %{fPIC: %{!fpic: -D__SHARED__}} \
+%{.S: %{!ansi:%{!traditional:%{!traditional-cpp:%{!ftraditional: -traditional}}}}} \
+%{.S: -D__LANGUAGE_ASSEMBLY %{!ansi:-DLANGUAGE_ASSEMBLY}} \
+%{.cc: -D__LANGUAGE_C_PLUS_PLUS} \
+%{.cxx: -D__LANGUAGE_C_PLUS_PLUS} \
+%{.C: -D__LANGUAGE_C_PLUS_PLUS} \
+%{.m: -D__LANGUAGE_OBJECTIVE_C} \
+%{!.S: -D__LANGUAGE_C %{!ansi:-DLANGUAGE_C}}"
+
+/* -mmcount or -mno-mcount should be used with -pg or -p */
+#undef CC1_SPEC
+#define CC1_SPEC "%{p: %{!mmcount: %{!mno-mcount: -mno-mcount }}} \
+%{!p: %{pg: %{!mmcount: %{!mno-mcount: -mno-mcount }}}}"
+
+/* Note, -D__NO_UNDERSCORES__ -D__ELF__ are provided in the older version of
+ OSF/1 gcc. We keep them here, so that old /usr/include/i386/asm.h works.
+ */
+#undef CPP_PREDEFINES
+#define CPP_PREDEFINES \
+ "-D__NO_UNDERSCORES__ -D__ELF__ -DOSF -DOSF1 -Di386 -Dunix -Asystem(xpg4) -Asystem(osf1) -Acpu(i386) -Amachine(i386)"
+
+/* current OSF/1 doesn't provide separate crti.o and gcrti.o (and also, crtn.o
+ and gcrtn.o) for profile. */
+
+#undef STARTFILE_SPEC
+#define STARTFILE_SPEC "%{!shared: \
+ %{!symbolic: \
+ %{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}}}\
+ crti.o%s \
+ crtbegin.o%s"
+
+#undef ENDFILE_SPEC
+#define ENDFILE_SPEC "crtend.o%s crtn.o%s"
+
+#undef ASM_SPEC
+#define ASM_SPEC "%{v*: -v}"
+
+#undef LINK_SPEC
+#define LINK_SPEC "%{v*: -v} \
+ %{h*} %{z*} \
+ %{dy:-call_shared} %{dn:-static} \
+ %{static:-static} \
+ %{shared:-shared} \
+ %{call_shared:-call_shared} \
+ %{symbolic:-Bsymbolic -shared -call_shared} \
+ %{!dy: %{!dn: %{!static: %{!shared: %{!symbolic: \
+ %{noshrlib: -static } \
+ %{!noshrlib: -call_shared}}}}}}"
+
+#undef MD_EXEC_PREFIX
+#define MD_EXEC_PREFIX "/usr/ccs/gcc/"
+
+#undef MD_STARTFILE_PREFIX
+#define MD_STARTFILE_PREFIX "/usr/ccs/lib/"
+
+/* Define this macro meaning that gcc should find the library 'libgcc.a'
+ by hand, rather than passing the argument '-lgcc' to tell the linker
+ to do the search */
+#define LINK_LIBGCC_SPECIAL
+
+/* This goes with LINK_LIBGCC_SPECIAL, we need tell libgcc.a differently */
+#undef LIBGCC_SPEC
+#define LIBGCC_SPEC "%{!shared:%{!symbolic:libgcc.a%s}}"
+
+/* A C statement to output assembler commands which will identify the object
+ file as having been compile with GNU CC. We don't need or want this for
+ OSF1. */
+#undef ASM_IDENTIFY_GCC
+#define ASM_IDENTIFY_GCC(FILE)
+
+/* Identify the front-end which produced this file. To keep symbol
+ space down, and not confuse kdb, only do this if the language is
+ not C. */
+#define ASM_IDENTIFY_LANGUAGE(STREAM) \
+{ \
+ if (strcmp (lang_identify (), "c") != 0) \
+ output_lang_identify (STREAM); \
+}
+
+/* Specify size_t, ptrdiff_t, and wchar_t types. */
+#undef SIZE_TYPE
+#undef PTRDIFF_TYPE
+#undef WCHAR_TYPE
+#undef WCHAR_TYPE_SIZE
+
+#define SIZE_TYPE "long unsigned int"
+#define PTRDIFF_TYPE "int"
+#define WCHAR_TYPE "unsigned int"
+#define WCHAR_TYPE_SIZE BITS_PER_WORD
+
+/* Turn off long double being 96 bits. */
+#undef LONG_DOUBLE_TYPE_SIZE
+#define LONG_DOUBLE_TYPE_SIZE 64
+
+/* Work with OSF/1 profile */
+#define MASK_NO_MCOUNT 000200000000 /* profiling uses mcount_ptr */
+
+#define TARGET_MCOUNT ((target_flags & MASK_NO_MCOUNT) == 0)
+
+#undef SUBTARGET_SWITCHES
+#define SUBTARGET_SWITCHES \
+ { "mcount", -MASK_NO_MCOUNT}, \
+ { "no-mcount", MASK_NO_MCOUNT},
+
+/* This macro generates the assembly code for function entry.
+ FILE is a stdio stream to output the code to.
+ SIZE is an int: how many units of temporary storage to allocate.
+ Refer to the array `regs_ever_live' to determine which registers
+ to save; `regs_ever_live[I]' is nonzero if register number I
+ is ever used in the function. This macro is responsible for
+ knowing which registers should not be saved even if used.
+
+ We override it here to allow for the new profiling code to go before
+ the prologue and the old mcount code to go after the prologue (and
+ after %ebx has been set up for ELF shared library support). */
+#if 0
+#define OSF_PROFILE_BEFORE_PROLOGUE \
+ (!TARGET_MCOUNT \
+ && !current_function_needs_context \
+ && (!flag_pic \
+ || !frame_pointer_needed \
+ || (!current_function_uses_pic_offset_table \
+ && !current_function_uses_const_pool)))
+#else
+#define OSF_PROFILE_BEFORE_PROLOGUE 0
+#endif
+#undef FUNCTION_PROLOGUE
+#define FUNCTION_PROLOGUE(FILE, SIZE) \
+do \
+ { \
+ char *prefix = ""; \
+ char *lprefix = LPREFIX; \
+ int labelno = profile_label_no; \
+ \
+ if (profile_flag && OSF_PROFILE_BEFORE_PROLOGUE) \
+ { \
+ if (!flag_pic) \
+ { \
+ fprintf (FILE, "\tmovl $%sP%d,%%edx\n", lprefix, labelno); \
+ fprintf (FILE, "\tcall *%s_mcount_ptr\n", prefix); \
+ } \
+ \
+ else \
+ { \
+ static int call_no = 0; \
+ \
+ fprintf (FILE, "\tcall %sPc%d\n", lprefix, call_no); \
+ fprintf (FILE, "%sPc%d:\tpopl %%eax\n", lprefix, call_no); \
+ fprintf (FILE, "\taddl $_GLOBAL_OFFSET_TABLE_+[.-%sPc%d],%%eax\n", \
+ lprefix, call_no++); \
+ fprintf (FILE, "\tleal %sP%d@GOTOFF(%%eax),%%edx\n", \
+ lprefix, labelno); \
+ fprintf (FILE, "\tmovl %s_mcount_ptr@GOT(%%eax),%%eax\n", \
+ prefix); \
+ fprintf (FILE, "\tcall *(%%eax)\n"); \
+ } \
+ } \
+ \
+ function_prologue (FILE, SIZE); \
+ } \
+while (0)
+
+/* A C statement or compound statement to output to FILE some assembler code to
+ call the profiling subroutine `mcount'. Before calling, the assembler code
+ must load the address of a counter variable into a register where `mcount'
+ expects to find the address. The name of this variable is `LP' followed by
+ the number LABELNO, so you would generate the name using `LP%d' in a
+ `fprintf'.
+
+ The details of how the address should be passed to `mcount' are determined
+ by your operating system environment, not by GNU CC. To figure them out,
+ compile a small program for profiling using the system's installed C
+ compiler and look at the assembler code that results. */
+
+#undef FUNCTION_PROFILER
+#define FUNCTION_PROFILER(FILE, LABELNO) \
+do \
+ { \
+ if (!OSF_PROFILE_BEFORE_PROLOGUE) \
+ { \
+ char *prefix = ""; \
+ char *lprefix = LPREFIX; \
+ int labelno = LABELNO; \
+ \
+ /* Note that OSF/rose blew it in terms of calling mcount, \
+ since OSF/rose prepends a leading underscore, but mcount's \
+ doesn't. At present, we keep this kludge for ELF as well \
+ to allow old kernels to build profiling. */ \
+ \
+ if (flag_pic \
+ && !current_function_uses_pic_offset_table \
+ && !current_function_uses_const_pool) \
+ abort (); \
+ \
+ if (TARGET_MCOUNT && flag_pic) \
+ { \
+ fprintf (FILE, "\tleal %sP%d@GOTOFF(%%ebx),%%edx\n", \
+ lprefix, labelno); \
+ fprintf (FILE, "\tcall *%smcount@GOT(%%ebx)\n", prefix); \
+ } \
+ \
+ else if (TARGET_MCOUNT) \
+ { \
+ fprintf (FILE, "\tmovl $%sP%d,%%edx\n", lprefix, labelno); \
+ fprintf (FILE, "\tcall %smcount\n", prefix); \
+ } \
+ \
+ else if (flag_pic && frame_pointer_needed) \
+ { \
+ fprintf (FILE, "\tmovl 4(%%ebp),%%ecx\n"); \
+ fprintf (FILE, "\tpushl %%ecx\n"); \
+ fprintf (FILE, "\tleal %sP%d@GOTOFF(%%ebx),%%edx\n", \
+ lprefix, labelno); \
+ fprintf (FILE, "\tmovl _mcount_ptr@GOT(%%ebx),%%eax\n"); \
+ fprintf (FILE, "\tcall *(%%eax)\n"); \
+ fprintf (FILE, "\tpopl %%eax\n"); \
+ } \
+ \
+ else if (frame_pointer_needed) \
+ { \
+ fprintf (FILE, "\tmovl 4(%%ebp),%%ecx\n"); \
+ fprintf (FILE, "\tpushl %%ecx\n"); \
+ fprintf (FILE, "\tmovl $%sP%d,%%edx\n", lprefix, labelno); \
+ fprintf (FILE, "\tcall *_mcount_ptr\n"); \
+ fprintf (FILE, "\tpopl %%eax\n"); \
+ } \
+ \
+ else \
+ abort (); \
+ } \
+ } \
+while (0)
+
+#if defined (CROSS_COMPILE) && defined (HOST_BITS_PER_INT) && defined (HOST_BITS_PER_LONG) && defined (HOST_BITS_PER_LONGLONG)
+#if (HOST_BITS_PER_INT==32) && (HOST_BITS_PER_LONG==64) && (HOST_BITS_PER_LONGLONG==64)
+#define REAL_ARITHMETIC
+#endif
+#endif
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