148 lines
5.1 KiB
C
148 lines
5.1 KiB
C
/* Definitions of target machine for GNU compiler, for SPARC running Solaris 2
|
||
Copyright 1992, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
|
||
Free Software Foundation, Inc.
|
||
Contributed by Ron Guilmette (rfg@netcom.com).
|
||
Additional changes by David V. Henkel-Wallace (gumby@cygnus.com).
|
||
|
||
This file is part of GNU CC.
|
||
|
||
GNU CC 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)
|
||
any later version.
|
||
|
||
GNU CC 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. */
|
||
|
||
/* Supposedly the same as vanilla sparc svr4, except for the stuff below: */
|
||
|
||
#undef CPP_PREDEFINES
|
||
#define CPP_PREDEFINES "-Dsparc"
|
||
|
||
/* This is here rather than in sparc.h because it's not known what
|
||
other assemblers will accept. */
|
||
|
||
#if TARGET_CPU_DEFAULT == TARGET_CPU_v9
|
||
#undef ASM_CPU_DEFAULT_SPEC
|
||
#define ASM_CPU_DEFAULT_SPEC "-xarch=v8plus"
|
||
#endif
|
||
|
||
#if TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc
|
||
#undef ASM_CPU_DEFAULT_SPEC
|
||
#define ASM_CPU_DEFAULT_SPEC "-xarch=v8plusa"
|
||
#endif
|
||
|
||
#undef ASM_CPU_SPEC
|
||
#define ASM_CPU_SPEC "\
|
||
%{mcpu=v8plus:-xarch=v8plus} \
|
||
%{mcpu=v9:-xarch=v8plus} \
|
||
%{mcpu=ultrasparc:-xarch=v8plusa} \
|
||
%{!mcpu*:%(asm_cpu_default)} \
|
||
"
|
||
|
||
#undef SUBTARGET_EXTRA_SPECS
|
||
#define SUBTARGET_EXTRA_SPECS \
|
||
{ "startfile_arch", STARTFILE_ARCH_SPEC }, \
|
||
{ "link_arch", LINK_ARCH_SPEC }
|
||
|
||
/* However it appears that Solaris 2.0 uses the same reg numbering as
|
||
the old BSD-style system did. */
|
||
|
||
/* Same as sparc.h */
|
||
#undef DBX_REGISTER_NUMBER
|
||
#define DBX_REGISTER_NUMBER(REGNO) \
|
||
(TARGET_FLAT && (REGNO) == HARD_FRAME_POINTER_REGNUM ? 31 : REGNO)
|
||
|
||
/* The Solaris 2 assembler uses .skip, not .zero, so put this back. */
|
||
#undef ASM_OUTPUT_SKIP
|
||
#define ASM_OUTPUT_SKIP(FILE,SIZE) \
|
||
fprintf (FILE, "\t.skip %u\n", (SIZE))
|
||
|
||
#undef LOCAL_LABEL_PREFIX
|
||
#define LOCAL_LABEL_PREFIX "."
|
||
|
||
/* This is how to output a definition of an internal numbered label where
|
||
PREFIX is the class of label and NUM is the number within the class. */
|
||
|
||
#undef ASM_OUTPUT_INTERNAL_LABEL
|
||
#define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
|
||
fprintf (FILE, ".L%s%d:\n", PREFIX, NUM)
|
||
|
||
/* This is how to output a reference to an internal numbered label where
|
||
PREFIX is the class of label and NUM is the number within the class. */
|
||
|
||
#undef ASM_OUTPUT_INTERNAL_LABELREF
|
||
#define ASM_OUTPUT_INTERNAL_LABELREF(FILE,PREFIX,NUM) \
|
||
fprintf (FILE, ".L%s%d", PREFIX, NUM)
|
||
|
||
/* 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))
|
||
|
||
|
||
|
||
#undef ENDFILE_SPEC
|
||
#define ENDFILE_SPEC \
|
||
"%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \
|
||
crtend.o%s crtn.o%s"
|
||
|
||
/* 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.
|
||
|
||
Some Solaris dynamic linkers don't handle unaligned section relative
|
||
relocs properly, so force them to be aligned. */
|
||
#ifndef HAVE_AS_SPARC_UA_PCREL
|
||
#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \
|
||
((flag_pic || GLOBAL) ? DW_EH_PE_aligned : DW_EH_PE_absptr)
|
||
#endif
|
||
|
||
/* ??? This does not work in SunOS 4.x, so it is not enabled in sparc.h.
|
||
Instead, it is enabled here, because it does work under Solaris. */
|
||
/* Define for support of TFmode long double.
|
||
SPARC ABI says that long double is 4 words. */
|
||
#define LONG_DOUBLE_TYPE_SIZE 128
|
||
|
||
/* But indicate that it isn't supported by the hardware. */
|
||
#define WIDEST_HARDWARE_FP_SIZE 64
|
||
|
||
#define MULDI3_LIBCALL "__mul64"
|
||
#define DIVDI3_LIBCALL "__div64"
|
||
#define UDIVDI3_LIBCALL "__udiv64"
|
||
#define MODDI3_LIBCALL "__rem64"
|
||
#define UMODDI3_LIBCALL "__urem64"
|
||
|
||
/* Solaris's _Qp_* library routine implementation clobbers the output
|
||
memory before the inputs are fully consumed. */
|
||
|
||
#undef TARGET_BUGGY_QP_LIB
|
||
#define TARGET_BUGGY_QP_LIB 1
|
||
|
||
#undef INIT_SUBTARGET_OPTABS
|
||
#define INIT_SUBTARGET_OPTABS \
|
||
fixsfdi_libfunc \
|
||
= init_one_libfunc (TARGET_ARCH64 ? "__ftol" : "__ftoll"); \
|
||
fixunssfdi_libfunc \
|
||
= init_one_libfunc (TARGET_ARCH64 ? "__ftoul" : "__ftoull"); \
|
||
fixdfdi_libfunc \
|
||
= init_one_libfunc (TARGET_ARCH64 ? "__dtol" : "__dtoll"); \
|
||
fixunsdfdi_libfunc \
|
||
= init_one_libfunc (TARGET_ARCH64 ? "__dtoul" : "__dtoull")
|
||
|
||
/* Solaris allows 64 bit out and global registers in 32 bit mode.
|
||
sparc_override_options will disable V8+ if not generating V9 code. */
|
||
#undef TARGET_DEFAULT
|
||
#define TARGET_DEFAULT (MASK_V8PLUS + MASK_FPU + MASK_LONG_DOUBLE_128)
|