/* Definitions of target machine for GNU compiler. Iris version.
- Copyright (C) 1991 Free Software Foundation, Inc.
+ Copyright (C) 1991, 1993, 1995, 1996, 1998 Free Software Foundation, Inc.
This file is part of GNU CC.
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, 675 Mass Ave, Cambridge, MA 02139, USA. */
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
#define SGI_TARGET 1 /* inform other mips files this is SGI */
/* Names to predefine in the preprocessor for this target machine. */
-#define CPP_PREDEFINES "-Dunix -Dmips -Dsgi -DSVR3 -Dhost_mips -DMIPSEB -DSYSTYPE_SYSV"
+#define CPP_PREDEFINES "\
+-Dunix -Dmips -Dsgi -DSVR3 -Dhost_mips -DMIPSEB -DSYSTYPE_SYSV \
+-Asystem=unix -Asystem=svr3 -Acpu=mips -Amachine=mips"
#define STARTFILE_SPEC "%{pg:gcrt1.o%s}%{!pg:%{p:mcrt1.o%s}%{!p:crt1.o%s}}"
-#define CPP_SPEC "\
-%{!ansi:-D__EXTENSIONS__} -D_MIPSEB -D_SYSTYPE_SYSV \
-%{.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: %{!.cc: %{!.cxx: %{!.C: %{!.m: -D_LANGUAGE_C %{!ansi:-DLANGUAGE_C}}}}}}"
+#define SUBTARGET_CPP_SPEC "\
+%{!ansi:-D__EXTENSIONS__} -D_MIPSEB -D_SYSTYPE_SYSV"
-#define LIB_SPEC "%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p} crtn.o%s"
+#define LIB_SPEC \
+ "%{!p:%{!pg:%{!static:%{!g*:-lc_s}} -lc}}%{p:-lc_p}%{pg:-lc_p} crtn.o%s"
#define MACHINE_TYPE "Silicon Graphics Mips"
-/* SGI Iris doesn't support -EB/-EL like other MIPS processors. */
-
-#define ASM_SPEC "\
-%{!mgas: \
- %{!mrnames: %{!.s:-nocpp} %{.s: %{cpp} %{nocpp}}} \
- %{pipe: %e-pipe is not supported.} \
- %{mips1} %{mips2} %{mips3} \
- %{noasmopt:-O0} \
- %{!noasmopt:%{O:-O2} %{O1:-O2} %{O2:-O2} %{O3:-O3}} \
- %{g} %{g0} %{g1} %{g2} %{g3} %{v} %{K} \
- %{ggdb:-g} %{ggdb0:-g0} %{ggdb1:-g1} %{ggdb2:-g2} %{ggdb3:-g3} \
- %{gstabs:-g} %{gstabs0:-g0} %{gstabs1:-g1} %{gstabs2:-g2} %{gstabs3:-g3} \
- %{gstabs+:-g} %{gstabs+0:-g0} %{gstabs+1:-g1} %{gstabs+2:-g2} %{gstabs+3:-g3} \
- %{gcoff:-g} %{gstabs0:-g0} %{gcoff1:-g1} %{gcoff2:-g2} %{gcoff3:-g3}} \
-%{G*}"
-
-#define LINK_SPEC "\
-%{G*} \
-%{!mgas: %{mips1} %{mips2} %{mips3} \
- %{bestGnum} %{shared} %{non_shared}}"
-
/* Always use 1 for .file number. I [meissner@osf.org] wonder why
IRIS needs this. */
SIZE.constant = 32; \
}
-/* Define this macro to control use of the character `$' in
- identifier names. The value should be 0, 1, or 2. 0 means `$'
- is not allowed by default; 1 means it is allowed by default if
- `-traditional' is used; 2 means it is allowed by default provided
- `-ansi' is not used. 1 is the default; there is no need to
- define this macro in that case. */
+/* Do not allow `$' in identifiers. */
#define DOLLARS_IN_IDENTIFIERS 0
#define NO_DOLLAR_IN_LABEL 1
-/* Specify size_t, ptrdiff_t, and wchar_t types. */
-#define SIZE_TYPE "unsigned int"
-#define PTRDIFF_TYPE "int"
+/* Specify wchar_t type. */
#define WCHAR_TYPE "unsigned char"
#define WCHAR_TYPE_SIZE BITS_PER_UNIT
/* Plain char is unsigned in the SGI compiler. */
#define DEFAULT_SIGNED_CHAR 0
-
-
-/* A C statement to initialize the variable parts of a trampoline.
- ADDR is an RTX for the address of the trampoline; FNADDR is an
- RTX for the address of the nested function; STATIC_CHAIN is an
- RTX for the static chain value that should be passed to the
- function when it is called.
-
- Silicon Graphics machines are supposed to not have a mprotect
- function to enable execute protection, but the stack already
- has execute protection turned on. Because the MIPS chips have
- no method to flush the icache without a system call, this can lose
- if the same address is used for multiple trampolines. */
-
-#define INITIALIZE_TRAMPOLINE(ADDR, FUNC, CHAIN) \
-{ \
- rtx addr = ADDR; \
- emit_move_insn (gen_rtx (MEM, SImode, plus_constant (addr, 28)), FUNC); \
- emit_move_insn (gen_rtx (MEM, SImode, plus_constant (addr, 32)), CHAIN); \
-}
-
-
-/* Attempt to turn on access permissions for the stack. */
-
-#define TRANSFER_FROM_TRAMPOLINE \
- \
-void \
-__enable_execute_stack (addr) \
- char *addr; \
-{ \
-}
-
-#include "mips/mips.h"
OSDN Git Service
