| /* Definitions of target machine for GCC, for SPARC running Solaris 2 |
| Copyright 1992, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2004, 2005 |
| 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 GCC. |
| |
| 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) |
| any later version. |
| |
| 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 GCC; 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: */ |
| |
| /* 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 |
| |
| #if TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc3 |
| #undef ASM_CPU_DEFAULT_SPEC |
| #define ASM_CPU_DEFAULT_SPEC "-xarch=v8plusb" |
| #endif |
| |
| #undef ASM_CPU_SPEC |
| #define ASM_CPU_SPEC "\ |
| %{mcpu=v9:-xarch=v8plus} \ |
| %{mcpu=ultrasparc:-xarch=v8plusa} \ |
| %{mcpu=ultrasparc3:-xarch=v8plusb} \ |
| %{!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. */ |
| |
| /* 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", (int)(SIZE)) |
| |
| #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%lu", (PREFIX), (unsigned long)(NUM)) |
| |
| /* The native TLS-enabled assembler requires the directive #tls_object |
| to be put on objects in TLS sections (as of v7.1). This is not |
| required by the GNU assembler but supported on SPARC. */ |
| #undef ASM_DECLARE_OBJECT_NAME |
| #define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL) \ |
| do \ |
| { \ |
| HOST_WIDE_INT size; \ |
| \ |
| if (DECL_THREAD_LOCAL (DECL)) \ |
| ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "tls_object"); \ |
| else \ |
| ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "object"); \ |
| \ |
| size_directive_output = 0; \ |
| if (!flag_inhibit_size_directive \ |
| && (DECL) && DECL_SIZE (DECL)) \ |
| { \ |
| size_directive_output = 1; \ |
| size = int_size_in_bytes (TREE_TYPE (DECL)); \ |
| ASM_OUTPUT_SIZE_DIRECTIVE (FILE, NAME, size); \ |
| } \ |
| \ |
| ASM_OUTPUT_LABEL (FILE, NAME); \ |
| } \ |
| while (0) |
| |
| /* The Solaris assembler cannot grok .stabd directives. */ |
| #undef NO_DBX_BNSYM_ENSYM |
| #define NO_DBX_BNSYM_ENSYM 1 |
| |
| /* The Solaris assembler cannot grok r_tls_dtpoff. This is |
| a kludge as ASM_OUTPUT_DWARF_DTPREL is defined in sparc.h, |
| undefined here and defined again in sol2-gas.h. */ |
| #ifdef HAVE_AS_TLS |
| #undef ASM_OUTPUT_DWARF_DTPREL |
| #endif |
| |
| |
| #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 |
| |
| |
| /* 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 |
| |
| /* 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 SUN_CONVERSION_LIBFUNCS |
| #define SUN_CONVERSION_LIBFUNCS 1 |
| |
| #undef DITF_CONVERSION_LIBFUNCS |
| #define DITF_CONVERSION_LIBFUNCS 1 |
| |
| #undef SUN_INTEGER_MULTIPLY_64 |
| #define SUN_INTEGER_MULTIPLY_64 1 |
| |
| /* 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_APP_REGS + MASK_FPU \ |
| + MASK_LONG_DOUBLE_128) |
| |
| /* Solaris-specific #pragmas are implemented on top of attributes. Hook in |
| the bits from config/sol2.c. */ |
| #define SUBTARGET_INSERT_ATTRIBUTES solaris_insert_attributes |
| #define SUBTARGET_ATTRIBUTE_TABLE SOLARIS_ATTRIBUTE_TABLE |
| |
| /* Output a simple call for .init/.fini. */ |
| #define ASM_OUTPUT_CALL(FILE, FN) \ |
| do \ |
| { \ |
| fprintf (FILE, "\tcall\t"); \ |
| print_operand (FILE, XEXP (DECL_RTL (FN), 0), 0); \ |
| fprintf (FILE, "\n\tnop\n"); \ |
| } \ |
| while (0) |