/* Definitions of target machine for GNU compiler, for DEC Alpha on OSF/1.
- Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 2001, 2002, 2003
- Free Software Foundation, Inc.
+ Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 2001, 2002, 2003,
+ 2004, 2007 Free Software Foundation, Inc.
Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC is free software; you can redistribute it and/or modify
+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 2, or (at your option)
+the Free Software Foundation; either version 3, or (at your option)
any later version.
-GNU CC is distributed in the hope that it will be useful,
+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 GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
/* As of OSF 4.0, as can subtract adjacent labels. */
/* Names to predefine in the preprocessor for this target machine. */
-#define CPP_PREDEFINES "\
--Dunix -D__osf__ -D__digital__ -D__arch64__ -D_LONGLONG -DSYSTYPE_BSD \
--D_SYSTYPE_BSD -Asystem=unix -Asystem=xpg4"
-
-/* Tru64 UNIX V5 requires additional definitions for 16 byte long double
- support. Empty by default. */
-
-#define CPP_XFLOAT_SPEC ""
+#define TARGET_OS_CPP_BUILTINS() \
+ do { \
+ builtin_define_std ("unix"); \
+ builtin_define_std ("SYSTYPE_BSD"); \
+ builtin_define ("_SYSTYPE_BSD"); \
+ builtin_define ("__osf__"); \
+ builtin_define ("__digital__"); \
+ builtin_define ("__arch64__"); \
+ builtin_define ("_LONGLONG"); \
+ builtin_assert ("system=unix"); \
+ builtin_assert ("system=xpg4"); \
+ /* Tru64 UNIX V5 has a 16 byte long \
+ double type and requires __X_FLOAT \
+ to be defined for <math.h>. */ \
+ if (LONG_DOUBLE_TYPE_SIZE == 128) \
+ builtin_define ("__X_FLOAT"); \
+ \
+ /* Tru64 UNIX V4/V5 provide several ISO C94 \
+ features protected by the corresponding \
+ __STDC_VERSION__ macro. libstdc++ v3 \
+ needs them as well. */ \
+ if (c_dialect_cxx ()) \
+ builtin_define ("__STDC_VERSION__=199409L"); \
+ } while (0)
/* Accept DEC C flags for multithreaded programs. We use _PTHREAD_USE_D4
instead of PTHREAD_USE_D4 since both have the same effect and the former
doesn't invade the users' namespace. */
-#undef CPP_SUBTARGET_SPEC
-#define CPP_SUBTARGET_SPEC \
-"%{pthread|threads:-D_REENTRANT} %{threads:-D_PTHREAD_USE_D4} %(cpp_xfloat) \
--D__PRAGMA_EXTERN_PREFIX"
+#undef CPP_SPEC
+#define CPP_SPEC \
+"%{pthread|threads:-D_REENTRANT} %{threads:-D_PTHREAD_USE_D4}"
/* Under OSF4, -p and -pg require -lprof1, and -lprof1 requires -lpdf. */
#define MD_STARTFILE_PREFIX "/usr/lib/cmplrs/cc/"
-#define ASM_FILE_START(FILE) \
-{ \
- alpha_write_verstamp (FILE); \
- fprintf (FILE, "\t.set noreorder\n"); \
- fprintf (FILE, "\t.set volatile\n"); \
- fprintf (FILE, "\t.set noat\n"); \
- if (TARGET_SUPPORT_ARCH) \
- fprintf (FILE, "\t.arch %s\n", \
- TARGET_CPU_EV6 ? "ev6" \
- : (TARGET_CPU_EV5 \
- ? (TARGET_MAX ? "pca56" : TARGET_BWX ? "ev56" : "ev5") \
- : "ev4")); \
- \
- ASM_OUTPUT_SOURCE_FILENAME (FILE, main_input_filename); \
-}
-
/* Tru64 UNIX V5.1 requires a special as flag. Empty by default. */
#define ASM_OLDAS_SPEC ""
%{K: -I %b.o~} \
%{!K: %{save-temps: -I %b.o~}} \
%{c:%W{o*}%{!o*:-o %b.o}}%{!c:-o %U.o} \
- %{.s:%i} %{!.s:%g.s}}}"
+ %{,assembler:%i;:%g.s}}}"
#else
#define ASM_FINAL_SPEC "\
%{K: -I %b.o~} \
%{!K: %{save-temps: -I %b.o~}} \
%{c:%W{o*}%{!o*:-o %b.o}}%{!c:-o %U.o} \
- %{.s:%i} %{!.s:%g.s}}}"
+ %{,assembler:%i;:%g.s}}}"
#endif
-#undef SUBTARGET_EXTRA_SPECS
-#define SUBTARGET_EXTRA_SPECS \
- { "cpp_xfloat", CPP_XFLOAT_SPEC }, \
- { "asm_oldas", ASM_OLDAS_SPEC }
+#undef EXTRA_SPECS
+#define EXTRA_SPECS { "asm_oldas", ASM_OLDAS_SPEC }
/* Indicate that we have a stamp.h to use. */
-#ifndef CROSS_COMPILE
+#ifndef CROSS_DIRECTORY_STRUCTURE
#define HAVE_STAMP_H 1
#endif
/* Attempt to turn on access permissions for the stack. */
-#define TRANSFER_FROM_TRAMPOLINE \
-extern void __enable_execute_stack PARAMS ((void *)); \
- \
+#define ENABLE_EXECUTE_STACK \
void \
-__enable_execute_stack (addr) \
- void *addr; \
+__enable_execute_stack (void *addr) \
{ \
- extern int mprotect PARAMS ((const void *, size_t, int)); \
+ extern int mprotect (const void *, size_t, int); \
long size = getpagesize (); \
long mask = ~(size-1); \
char *page = (char *) (((long) addr) & mask); \
#define LD_INIT_SWITCH "-init"
#define LD_FINI_SWITCH "-fini"
+/* The linker needs a space after "-o". This allows -oldstyle_liblookup to
+ be passed to ld. */
+#define SWITCHES_NEED_SPACES "o"
+
/* Select a format to encode pointers in exception handling data. CODE
is 0 for data, 1 for code labels, 2 for function pointers. GLOBAL is
true if the symbol may be affected by dynamic relocations.
#define ASM_OUTPUT_WEAK_ALIAS(FILE, NAME, VALUE) \
do \
{ \
- ASM_GLOBALIZE_LABEL (FILE, NAME); \
+ (*targetm.asm_out.globalize_label) (FILE, NAME); \
fputs ("\t.weakext\t", FILE); \
assemble_name (FILE, NAME); \
if (VALUE) \
#define ASM_WEAKEN_LABEL(FILE, NAME) ASM_OUTPUT_WEAK_ALIAS(FILE, NAME, 0)
/* Handle #pragma weak and #pragma pack. */
-#undef HANDLE_SYSV_PRAGMA
#define HANDLE_SYSV_PRAGMA 1
/* Handle #pragma extern_prefix. Technically only needed for Tru64 5.x,
but easier to manipulate preprocessor bits from here. */
-#define HANDLE_PRAGMA_EXTERN_PREFIX 1
+#define TARGET_HANDLE_PRAGMA_EXTERN_PREFIX 1
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