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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [config/] [sparc/] [sol2.h] - Blame information for rev 282

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1 282 jeremybenn
/* Definitions of target machine for GCC, for SPARC running Solaris 2
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   Copyright 1992, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2004, 2005,
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   2006, 2007, 2008, 2010 Free Software Foundation, Inc.
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   Contributed by Ron Guilmette (rfg@netcom.com).
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   Additional changes by David V. Henkel-Wallace (gumby@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 3, 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 COPYING3.  If not see
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<http://www.gnu.org/licenses/>.  */
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/* Supposedly the same as vanilla sparc svr4, except for the stuff below: */
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/* This is here rather than in sparc.h because it's not known what
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   other assemblers will accept.  */
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#if TARGET_CPU_DEFAULT == TARGET_CPU_v9
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#undef ASM_CPU_DEFAULT_SPEC
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#define ASM_CPU_DEFAULT_SPEC "-xarch=v8plus"
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#endif
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#if TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc
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#undef ASM_CPU_DEFAULT_SPEC
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#define ASM_CPU_DEFAULT_SPEC "-xarch=v8plusa"
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#endif
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#if TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc3
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#undef ASM_CPU_DEFAULT_SPEC
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#define ASM_CPU_DEFAULT_SPEC "-xarch=v8plusb"
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#endif
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#if TARGET_CPU_DEFAULT == TARGET_CPU_niagara
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#undef ASM_CPU_DEFAULT_SPEC
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#define ASM_CPU_DEFAULT_SPEC "-xarch=v8plusb"
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#endif
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#if TARGET_CPU_DEFAULT == TARGET_CPU_niagara2
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#undef ASM_CPU_DEFAULT_SPEC
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#define ASM_CPU_DEFAULT_SPEC "-xarch=v8plusb"
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#endif
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#undef ASM_CPU_SPEC
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#define ASM_CPU_SPEC "\
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%{mcpu=v9:-xarch=v8plus} \
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%{mcpu=ultrasparc:-xarch=v8plusa} \
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%{mcpu=ultrasparc3:-xarch=v8plusb} \
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%{mcpu=niagara:-xarch=v8plusb} \
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%{mcpu=niagara2:-xarch=v8plusb} \
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%{!mcpu*:%(asm_cpu_default)} \
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"
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#undef SUBTARGET_EXTRA_SPECS
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#define SUBTARGET_EXTRA_SPECS \
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  { "startfile_arch",   STARTFILE_ARCH_SPEC },  \
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  { "link_arch",        LINK_ARCH_SPEC }
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/* However it appears that Solaris 2.0 uses the same reg numbering as
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   the old BSD-style system did.  */
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/* The Solaris 2 assembler uses .skip, not .zero, so put this back.  */
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#undef ASM_OUTPUT_SKIP
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#define ASM_OUTPUT_SKIP(FILE,SIZE)  \
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  fprintf (FILE, "\t.skip %u\n", (int)(SIZE))
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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%lu", (PREFIX), (unsigned long)(NUM))
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/* The native TLS-enabled assembler requires the directive #tls_object
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   to be put on objects in TLS sections (as of v7.1).  This is not
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   required by the GNU assembler but supported on SPARC.  */
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#undef  ASM_DECLARE_OBJECT_NAME
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#define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL)               \
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  do                                                            \
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    {                                                           \
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      HOST_WIDE_INT size;                                       \
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                                                                \
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      if (targetm.have_tls && DECL_THREAD_LOCAL_P (DECL))       \
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        ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "tls_object");   \
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      else                                                      \
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        ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "object");       \
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                                                                \
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      size_directive_output = 0;                                \
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      if (!flag_inhibit_size_directive                          \
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          && (DECL) && DECL_SIZE (DECL))                        \
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        {                                                       \
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          size_directive_output = 1;                            \
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          size = int_size_in_bytes (TREE_TYPE (DECL));          \
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          ASM_OUTPUT_SIZE_DIRECTIVE (FILE, NAME, size);         \
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        }                                                       \
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                                                                \
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      ASM_OUTPUT_LABEL (FILE, NAME);                            \
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    }                                                           \
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  while (0)
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/* The Solaris assembler cannot grok .stabd directives.  */
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#undef NO_DBX_BNSYM_ENSYM
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#define NO_DBX_BNSYM_ENSYM 1
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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 crtn.o%s"
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/* Select a format to encode pointers in exception handling data.  CODE
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   is 0 for data, 1 for code labels, 2 for function pointers.  GLOBAL is
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   true if the symbol may be affected by dynamic relocations.
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   Some Solaris dynamic linkers don't handle unaligned section relative
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   relocs properly, so force them to be aligned.  */
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#ifndef HAVE_AS_SPARC_UA_PCREL
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#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL)               \
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  ((flag_pic || GLOBAL) ? DW_EH_PE_aligned : DW_EH_PE_absptr)
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#endif
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/* Define for support of TFmode long double.
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   SPARC ABI says that long double is 4 words.  */
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#define LONG_DOUBLE_TYPE_SIZE 128
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/* Solaris's _Qp_* library routine implementation clobbers the output
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   memory before the inputs are fully consumed.  */
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#undef TARGET_BUGGY_QP_LIB
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#define TARGET_BUGGY_QP_LIB     1
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#undef SUN_CONVERSION_LIBFUNCS
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#define SUN_CONVERSION_LIBFUNCS 1
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#undef DITF_CONVERSION_LIBFUNCS
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#define DITF_CONVERSION_LIBFUNCS 1
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#undef SUN_INTEGER_MULTIPLY_64
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#define SUN_INTEGER_MULTIPLY_64 1
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/* Solaris allows 64 bit out and global registers in 32 bit mode.
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   sparc_override_options will disable V8+ if not generating V9 code.  */
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#undef TARGET_DEFAULT
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#define TARGET_DEFAULT (MASK_V8PLUS + MASK_APP_REGS + MASK_FPU \
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                        + MASK_LONG_DOUBLE_128)
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/* Solaris-specific #pragmas are implemented on top of attributes.  Hook in
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   the bits from config/sol2.c.  */
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#define SUBTARGET_INSERT_ATTRIBUTES solaris_insert_attributes
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#define SUBTARGET_ATTRIBUTE_TABLE SOLARIS_ATTRIBUTE_TABLE
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/* Register the Solaris-specific #pragma directives.  */
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#define REGISTER_TARGET_PRAGMAS() solaris_register_pragmas ()
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/* Output a simple call for .init/.fini.  */
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#define ASM_OUTPUT_CALL(FILE, FN)                               \
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  do                                                            \
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    {                                                           \
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      fprintf (FILE, "\tcall\t");                               \
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      print_operand (FILE, XEXP (DECL_RTL (FN), 0), 0); \
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      fprintf (FILE, "\n\tnop\n");                              \
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    }                                                           \
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  while (0)
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/* Use Solaris ELF section syntax.  */
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#undef TARGET_ASM_NAMED_SECTION
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#define TARGET_ASM_NAMED_SECTION sparc_solaris_elf_asm_named_section
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/* Solaris/SPARC as uses a non-standard .section/.pushsection syntax.
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   While gas supports it, too, we prefer the standard variant.  */
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#ifndef USE_GAS
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#undef PUSHSECTION_FORMAT
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#define PUSHSECTION_FORMAT      "\t.pushsection\t\"%s\"\n"
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#endif
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#define MD_UNWIND_SUPPORT "config/sparc/sol2-unwind.h"

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