/* Definitions of target machine for GNU compiler, for SPARC64, ELF. Copyright (C) 1994, 1995, 1996, 1997, 1998, 2000 Free Software Foundation, Inc. Contributed by Doug Evans, dje@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. */ /* ??? We're taking the scheme of including another file and then overriding the values we don't like a bit too far here. The alternative is to more or less duplicate all of svr4.h, sparc/sysv4.h, and sparc/sol2.h here (suitably cleaned up). */ #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 #undef CPP_PREDEFINES #define CPP_PREDEFINES "-Dsparc -D__ELF__ -Acpu=sparc -Amachine=sparc" /* __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:-K PIC} %{fPIC:-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 /* 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) /* ??? 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 /* System V Release 4 uses DWARF debugging info. GDB doesn't support 64 bit stabs yet and the desired debug format is DWARF anyway so it is the default. */ #define DBX_DEBUGGING_INFO 1 #undef PREFERRED_DEBUGGING_TYPE #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG