| /* Definitions of target machine for GCC, for SPARC64, ELF. |
| Copyright (C) 1994, 1995, 1996, 1997, 1998, 2000, 2004, 2005 |
| Free Software Foundation, Inc. |
| Contributed by Doug Evans, dje@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. */ |
| |
| #undef TARGET_VERSION |
| #define TARGET_VERSION fprintf (stderr, " (sparc64-elf)") |
| |
| /* A 64 bit v9 compiler in a Medium/Anywhere code model environment. */ |
| #undef TARGET_DEFAULT |
| #define TARGET_DEFAULT \ |
| (MASK_V9 + MASK_PTR64 + MASK_64BIT + MASK_HARD_QUAD \ |
| + MASK_APP_REGS + MASK_FPU + MASK_STACK_BIAS + MASK_LONG_DOUBLE_128) |
| |
| #undef SPARC_DEFAULT_CMODEL |
| #define SPARC_DEFAULT_CMODEL CM_EMBMEDANY |
| |
| /* Don't assume anything about the header files. */ |
| #define NO_IMPLICIT_EXTERN_C |
| |
| /* __svr4__ is used by the C library (FIXME) */ |
| #undef CPP_SUBTARGET_SPEC |
| #define CPP_SUBTARGET_SPEC "-D__svr4__" |
| |
| #undef MD_EXEC_PREFIX |
| #undef MD_STARTFILE_PREFIX |
| |
| #undef ASM_SPEC |
| #define ASM_SPEC "\ |
| %{v:-V} -s %{fpic|fPIC|fpie|fPIE:-K PIC} \ |
| %{mlittle-endian:-EL} \ |
| %(asm_cpu) %(asm_arch) \ |
| " |
| |
| /* This is taken from sol2.h. */ |
| #undef LINK_SPEC |
| #define LINK_SPEC "\ |
| %{v:-V} \ |
| %{mlittle-endian:-EL} \ |
| " |
| |
| /* We need something a little simpler for the embedded environment. |
| Profiling doesn't really work yet so we just copy the default. */ |
| #undef STARTFILE_SPEC |
| #define STARTFILE_SPEC "\ |
| %{!shared:%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}} \ |
| crtbegin.o%s \ |
| " |
| |
| #undef ENDFILE_SPEC |
| #define ENDFILE_SPEC \ |
| "%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \ |
| crtend.o%s" |
| |
| /* Use the default (for now). */ |
| #undef LIB_SPEC |
| |
| /* This defines which switch letters take arguments. |
| It is as in svr4.h but with -R added. */ |
| #undef SWITCH_TAKES_ARG |
| #define SWITCH_TAKES_ARG(CHAR) \ |
| (DEFAULT_SWITCH_TAKES_ARG(CHAR) \ |
| || (CHAR) == 'R' \ |
| || (CHAR) == 'h' \ |
| || (CHAR) == 'z') |
| |
| /* V9 chips can handle either endianness. */ |
| #undef SUBTARGET_SWITCHES |
| #define SUBTARGET_SWITCHES \ |
| {"big-endian", -MASK_LITTLE_ENDIAN, N_("Generate code for big endian") }, \ |
| {"little-endian", MASK_LITTLE_ENDIAN, N_("Generate code for little endian") }, |
| |
| #undef BYTES_BIG_ENDIAN |
| #define BYTES_BIG_ENDIAN (! TARGET_LITTLE_ENDIAN) |
| |
| #undef WORDS_BIG_ENDIAN |
| #define WORDS_BIG_ENDIAN (! TARGET_LITTLE_ENDIAN) |
| |
| #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%ld", (PREFIX), (long)(NUM)) |
| |
| /* ??? This should be 32 bits for v9 but what can we do? */ |
| #undef WCHAR_TYPE |
| #define WCHAR_TYPE "short unsigned int" |
| |
| #undef WCHAR_TYPE_SIZE |
| #define WCHAR_TYPE_SIZE 16 |
| |
| #undef LONG_DOUBLE_TYPE_SIZE |
| #define LONG_DOUBLE_TYPE_SIZE 128 |
| |
| /* The medium/anywhere code model practically requires us to put jump tables |
| in the text section as gcc is unable to distinguish LABEL_REF's of jump |
| tables from other label refs (when we need to). */ |
| /* But we now defer the tables to the end of the function, so we make |
| this 0 to not confuse the branch shortening code. */ |
| #undef JUMP_TABLES_IN_TEXT_SECTION |
| #define JUMP_TABLES_IN_TEXT_SECTION 0 |