-/* Definitions of target machine for GNU compiler, for SPARC64, ELF.
- Copyright (C) 1994, 1995, 1996, 1997, 1998, 2000
+/* Definitions of target machine for GCC, for SPARC64, ELF.
+ Copyright (C) 1994, 1995, 1996, 1997, 1998, 2000, 2004, 2005, 2007
Free Software Foundation, Inc.
Contributed by Doug Evans, dje@cygnus.com.
-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. */
-
-/* ??? We're taking the scheme of including another file and then overriding
- the values we don't like a bit too far here. The alternative is to more or
- less duplicate all of svr4.h, sparc/sysv4.h, and sparc/sol2.h here
- (suitably cleaned up). */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
#undef TARGET_VERSION
#define TARGET_VERSION fprintf (stderr, " (sparc64-elf)")
/* A 64 bit v9 compiler in a Medium/Anywhere code model environment. */
-
#undef TARGET_DEFAULT
#define TARGET_DEFAULT \
(MASK_V9 + MASK_PTR64 + MASK_64BIT + MASK_HARD_QUAD \
#undef SPARC_DEFAULT_CMODEL
#define SPARC_DEFAULT_CMODEL CM_EMBMEDANY
-#undef CPP_PREDEFINES
-#define CPP_PREDEFINES "-Dsparc -D__ELF__ -Acpu=sparc -Amachine=sparc"
+/* Don't assume anything about the header files. */
+#define NO_IMPLICIT_EXTERN_C
/* __svr4__ is used by the C library (FIXME) */
#undef CPP_SUBTARGET_SPEC
#undef ASM_SPEC
#define ASM_SPEC "\
-%{v:-V} -s %{fpic:-K PIC} %{fPIC:-K PIC} \
+%{v:-V} -s %{fpic|fPIC|fpie|fPIE:-K PIC} \
%{mlittle-endian:-EL} \
%(asm_cpu) %(asm_arch) \
"
/* Use the default (for now). */
#undef LIB_SPEC
-/* V9 chips can handle either endianness. */
-#undef SUBTARGET_SWITCHES
-#define SUBTARGET_SWITCHES \
-{"big-endian", -MASK_LITTLE_ENDIAN, N_("Generate code for big endian") }, \
-{"little-endian", MASK_LITTLE_ENDIAN, N_("Generate code for little endian") },
+/* This defines which switch letters take arguments.
+ It is as in svr4.h but with -R added. */
+#undef SWITCH_TAKES_ARG
+#define SWITCH_TAKES_ARG(CHAR) \
+ (DEFAULT_SWITCH_TAKES_ARG(CHAR) \
+ || (CHAR) == 'R' \
+ || (CHAR) == 'h' \
+ || (CHAR) == 'z')
#undef BYTES_BIG_ENDIAN
#define BYTES_BIG_ENDIAN (! TARGET_LITTLE_ENDIAN)
#undef WORDS_BIG_ENDIAN
#define WORDS_BIG_ENDIAN (! TARGET_LITTLE_ENDIAN)
-
+\f
+#undef LOCAL_LABEL_PREFIX
+#define LOCAL_LABEL_PREFIX "."
+
+/* This is how to store into the string LABEL
+ the symbol_ref name of an internal numbered label where
+ PREFIX is the class of label and NUM is the number within the class.
+ This is suitable for output with `assemble_name'. */
+
+#undef ASM_GENERATE_INTERNAL_LABEL
+#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
+ sprintf ((LABEL), "*.L%s%ld", (PREFIX), (long)(NUM))
+\f
/* ??? This should be 32 bits for v9 but what can we do? */
#undef WCHAR_TYPE
#define WCHAR_TYPE "short unsigned int"
#undef LONG_DOUBLE_TYPE_SIZE
#define LONG_DOUBLE_TYPE_SIZE 128
-
-/* The medium/anywhere code model practically requires us to put jump tables
- in the text section as gcc is unable to distinguish LABEL_REF's of jump
- tables from other label refs (when we need to). */
-/* But we now defer the tables to the end of the function, so we make
- this 0 to not confuse the branch shortening code. */
-#undef JUMP_TABLES_IN_TEXT_SECTION
-#define JUMP_TABLES_IN_TEXT_SECTION 0
-
-/* System V Release 4 uses DWARF debugging info.
- GDB doesn't support 64 bit stabs yet and the desired debug format is DWARF
- anyway so it is the default. */
-
-#define DBX_DEBUGGING_INFO
-
-#undef PREFERRED_DEBUGGING_TYPE
-#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
projects / msp430-gcc.git / blobdiff