Initial revision

From-SVN: r19141

gcc/config/i386/osf1elf.h

+/* 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

gcc/config/i386/osf1elfgdb.h

+/* Target definitions for GNU compiler for Intel 80386 running OSF/1 1.3+
+   with gas and gdb.  */
+
+/* Use stabs instead of DWARF debug format.  */
+#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
+
+#include "i386/osf1elf.h"

gcc/config/i386/t-osf1elf

+# Assemble startup files.
+crti.o: $(srcdir)/config/i386/osf1-ci.asm $(GCC_PASSES)
+	sed -e '/^!/d' <$(srcdir)/config/i386/osf1-ci.asm >crti.s
+	$(GCC_FOR_TARGET) -c -o crti.o crti.s
+crtn.o: $(srcdir)/config/i386/osf1-cn.asm $(GCC_PASSES)
+	sed -e '/^!/d' <$(srcdir)/config/i386/osf1-cn.asm >crtn.s
+	$(GCC_FOR_TARGET) -c -o crtn.o crtn.s
+
+# The pushl in CTOR initialization interferes with frame pointer elimination.
+
+# We need to use -fPIC when we are using gcc to compile the routines in
+# crtstuff.c.  This is only really needed when we are going to use gcc/g++
+# to produce a shared library, but since we don't know ahead of time when
+# we will be doing that, we just always use -fPIC when compiling the
+# routines in crtstuff.c.
+
+CRTSTUFF_T_CFLAGS = -fPIC -fno-omit-frame-pointer
+TARGET_LIBGCC2_CFLAGS = -fPIC

gcc/config/i386/x-osf1elf

+# Defaults for OSF/1 1.3+
+CC		= $(OLDCC)
+CLIB		= -lld
+INSTALL		= installbsd -c
+OLDCC		= /usr/ccs/gcc/gcc
+X_CFLAGS	= -static
+
+# FIXPROTO_DEFINES = -D_XOPEN_SOURCE