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jlechner |
/* Definitions of target machine for GCC, for SPARC64, ELF.
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Copyright (C) 1994, 1995, 1996, 1997, 1998, 2000, 2004, 2005
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Free Software Foundation, Inc.
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Contributed by Doug Evans, dje@cygnus.com.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING. If not, write to
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the Free Software Foundation, 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA. */
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#undef TARGET_VERSION
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#define TARGET_VERSION fprintf (stderr, " (sparc64-elf)")
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/* A 64 bit v9 compiler in a Medium/Anywhere code model environment. */
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#undef TARGET_DEFAULT
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#define TARGET_DEFAULT \
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(MASK_V9 + MASK_PTR64 + MASK_64BIT + MASK_HARD_QUAD \
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+ MASK_APP_REGS + MASK_FPU + MASK_STACK_BIAS + MASK_LONG_DOUBLE_128)
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#undef SPARC_DEFAULT_CMODEL
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#define SPARC_DEFAULT_CMODEL CM_EMBMEDANY
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/* Don't assume anything about the header files. */
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#define NO_IMPLICIT_EXTERN_C
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/* __svr4__ is used by the C library (FIXME) */
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#undef CPP_SUBTARGET_SPEC
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#define CPP_SUBTARGET_SPEC "-D__svr4__"
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#undef MD_EXEC_PREFIX
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#undef MD_STARTFILE_PREFIX
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#undef ASM_SPEC
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#define ASM_SPEC "\
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%{v:-V} -s %{fpic|fPIC|fpie|fPIE:-K PIC} \
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%{mlittle-endian:-EL} \
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%(asm_cpu) %(asm_arch) \
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"
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/* This is taken from sol2.h. */
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#undef LINK_SPEC
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#define LINK_SPEC "\
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%{v:-V} \
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%{mlittle-endian:-EL} \
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"
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/* We need something a little simpler for the embedded environment.
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Profiling doesn't really work yet so we just copy the default. */
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#undef STARTFILE_SPEC
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#define STARTFILE_SPEC "\
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%{!shared:%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}} \
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crtbegin.o%s \
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"
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#undef ENDFILE_SPEC
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#define ENDFILE_SPEC \
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"%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \
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crtend.o%s"
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/* Use the default (for now). */
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#undef LIB_SPEC
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/* This defines which switch letters take arguments.
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It is as in svr4.h but with -R added. */
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#undef SWITCH_TAKES_ARG
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#define SWITCH_TAKES_ARG(CHAR) \
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(DEFAULT_SWITCH_TAKES_ARG(CHAR) \
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|| (CHAR) == 'R' \
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|| (CHAR) == 'h' \
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|| (CHAR) == 'z')
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#undef BYTES_BIG_ENDIAN
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#define BYTES_BIG_ENDIAN (! TARGET_LITTLE_ENDIAN)
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#undef WORDS_BIG_ENDIAN
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#define WORDS_BIG_ENDIAN (! TARGET_LITTLE_ENDIAN)
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#undef LOCAL_LABEL_PREFIX
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#define LOCAL_LABEL_PREFIX "."
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/* This is how to store into the string LABEL
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the symbol_ref name of an internal numbered label where
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PREFIX is the class of label and NUM is the number within the class.
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This is suitable for output with `assemble_name'. */
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#undef ASM_GENERATE_INTERNAL_LABEL
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#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
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sprintf ((LABEL), "*.L%s%ld", (PREFIX), (long)(NUM))
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/* ??? This should be 32 bits for v9 but what can we do? */
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#undef WCHAR_TYPE
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#define WCHAR_TYPE "short unsigned int"
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#undef WCHAR_TYPE_SIZE
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#define WCHAR_TYPE_SIZE 16
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#undef LONG_DOUBLE_TYPE_SIZE
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#define LONG_DOUBLE_TYPE_SIZE 128
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/* The medium/anywhere code model practically requires us to put jump tables
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in the text section as gcc is unable to distinguish LABEL_REF's of jump
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tables from other label refs (when we need to). */
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/* But we now defer the tables to the end of the function, so we make
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this 0 to not confuse the branch shortening code. */
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#undef JUMP_TABLES_IN_TEXT_SECTION
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#define JUMP_TABLES_IN_TEXT_SECTION 0
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