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jlechner |
/* 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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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 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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/* 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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#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*:%(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 (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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/* But indicate that it isn't supported by the hardware. */
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#define WIDEST_HARDWARE_FP_SIZE 64
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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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/* 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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