358 lines
11 KiB
C
358 lines
11 KiB
C
/* Definitions of target machine for GNU compiler, for ELF on NetBSD/sparc
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and NetBSD/sparc64.
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Copyright (C) 2002 Free Software Foundation, Inc.
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Contributed by Matthew Green (mrg@eterna.com.au).
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This file is part of GNU CC.
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GNU CC 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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GNU CC 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 GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/* Make sure these are undefined. */
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#undef MD_EXEC_PREFIX
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#undef MD_STARTFILE_PREFIX
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#undef CPP_PREDEFINES
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#define CPP_PREDEFINES "-D__sparc__ -D__NetBSD__ -D__ELF__ \
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-Asystem=unix -Asystem=NetBSD"
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/* CPP defines used for 64 bit code. */
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#undef CPP_SUBTARGET_SPEC64
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#define CPP_SUBTARGET_SPEC64 \
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"-D__sparc64__ -D__sparc_v9__ -D_LP64 %{posix:-D_POSIX_SOURCE}"
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/* CPP defines used for 32 bit code. */
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#undef CPP_SUBTARGET_SPEC32
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#define CPP_SUBTARGET_SPEC32 "-D__sparc %{posix:-D_POSIX_SOURCE}"
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/* CPP_ARCH32_SPEC and CPP_ARCH64_SPEC are wrong from sparc/sparc.h; we
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always want the non-SPARC_BI_ARCH versions, since the SPARC_BI_ARCH
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versions define __SIZE_TYPE__ and __PTRDIFF_TYPE__ incorrectly for
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NetBSD. */
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#undef CPP_ARCH32_SPEC
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#define CPP_ARCH32_SPEC "-D__GCC_NEW_VARARGS__ -Acpu=sparc -Amachine=sparc"
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#undef CPP_ARCH64_SPEC
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#define CPP_ARCH64_SPEC "-D__arch64__ -Acpu=sparc64 -Amachine=sparc64"
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/* sparc/sparc.h defines NO_BUILTIN_SIZE_TYPE and NO_BUILTIN_PTRDIFF_TYPE
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if SPARC_BI_ARCH is defined. This is wrong for NetBSD; size_t and
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ptrdiff_t do not change for 32-bit vs. 64-bit. */
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#undef NO_BUILTIN_PTRDIFF_TYPE
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#undef NO_BUILTIN_SIZE_TYPE
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/* SIZE_TYPE and PTRDIFF_TYPE are wrong from sparc/sparc.h. */
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#undef SIZE_TYPE
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#define SIZE_TYPE "long unsigned int"
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#undef PTRDIFF_TYPE
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#define PTRDIFF_TYPE "long int"
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#undef PREFERRED_DEBUGGING_TYPE
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#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
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/* This is the char to use for continuation (in case we need to turn
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continuation back on). */
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#undef DBX_CONTIN_CHAR
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#define DBX_CONTIN_CHAR '?'
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#undef DBX_REGISTER_NUMBER
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#define DBX_REGISTER_NUMBER(REGNO) \
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(TARGET_FLAT && REGNO == HARD_FRAME_POINTER_REGNUM ? 31 : REGNO)
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#undef LOCAL_LABEL_PREFIX
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#define LOCAL_LABEL_PREFIX "."
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/* This is how to output a definition 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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#undef ASM_OUTPUT_INTERNAL_LABEL
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#define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
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fprintf (FILE, ".L%s%d:\n", PREFIX, NUM)
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/* This is how to output a reference to 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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#undef ASM_OUTPUT_INTERNAL_LABELREF
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#define ASM_OUTPUT_INTERNAL_LABELREF(FILE,PREFIX,NUM) \
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fprintf (FILE, ".L%s%d", PREFIX, NUM)
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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%ld", (PREFIX), (long)(NUM))
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#undef USER_LABEL_PREFIX
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#define USER_LABEL_PREFIX ""
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#undef ASM_SPEC
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#define ASM_SPEC "%{fpic:-K PIC} %{fPIC:-K PIC} %{V} %{v:%{!V:-V}} \
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%{mlittle-endian:-EL} \
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%(asm_cpu) %(asm_arch) %(asm_relax)"
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#undef STDC_0_IN_SYSTEM_HEADERS
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#undef TARGET_VERSION
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#define TARGET_VERSION fprintf (stderr, " (%s)", TARGET_NAME);
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/*
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* Clean up afterwards generic SPARC ELF configuration.
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*/
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/* FIXME: Aren't these supposed to be available for SPARC ELF? */
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#undef MULDI3_LIBCALL
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#undef DIVDI3_LIBCALL
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#undef UDIVDI3_LIBCALL
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#undef MODDI3_LIBCALL
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#undef UMODDI3_LIBCALL
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#undef INIT_SUBTARGET_OPTABS
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#define INIT_SUBTARGET_OPTABS
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/* Below here exists the merged NetBSD/sparc & NetBSD/sparc64 compiler
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description, allowing one to build 32 bit or 64 bit applications
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on either. We define the sparc & sparc64 versions of things,
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occasionally a neutral version (should be the same as "netbsd-elf.h")
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and then based on SPARC_BI_ARCH, DEFAULT_ARCH32_P, and TARGET_CPU_DEFAULT,
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we choose the correct version. */
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/* We use the default NetBSD ELF STARTFILE_SPEC and ENDFILE_SPEC
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definitions, even for the SPARC_BI_ARCH compiler, because NetBSD does
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not have a default place to find these libraries.. */
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/* Name the port(s). */
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#define TARGET_NAME64 "NetBSD/sparc64 ELF"
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#define TARGET_NAME32 "NetBSD/sparc ELF"
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/* TARGET_CPU_DEFAULT is set in Makefile.in. We test for 64-bit default
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platform here. */
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#if TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
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|| TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc
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/* A 64 bit v9 compiler with stack-bias,
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in a Medium/Low code model environment. */
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#undef TARGET_DEFAULT
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#define TARGET_DEFAULT \
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(MASK_V9 + MASK_PTR64 + MASK_64BIT /* + MASK_HARD_QUAD */ \
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+ MASK_STACK_BIAS + MASK_APP_REGS + MASK_FPU + MASK_LONG_DOUBLE_128)
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#undef SPARC_DEFAULT_CMODEL
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#define SPARC_DEFAULT_CMODEL CM_MEDANY
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#endif
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/* CC1_SPEC for NetBSD/sparc. */
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#define CC1_SPEC32 \
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"%{sun4:} %{target:} \
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%{mcypress:-mcpu=cypress} \
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%{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
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%{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
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%{m32:%{m64:%emay not use both -m32 and -m64}} \
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%{m64: \
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-mptr64 -mstack-bias -mno-v8plus -mlong-double-128 \
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%{!mcpu*: \
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%{!mcypress: \
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%{!msparclite: \
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%{!mf930: \
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%{!mf934: \
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%{!mv8*: \
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%{!msupersparc:-mcpu=ultrasparc}}}}}}} \
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%{!mno-vis:%{!mcpu=v9:-mvis}} \
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%{p:-mcmodel=medlow} \
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%{pg:-mcmodel=medlow}}"
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#define CC1_SPEC64 \
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"%{sun4:} %{target:} \
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%{mcypress:-mcpu=cypress} \
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%{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
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%{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
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%{m32:%{m64:%emay not use both -m32 and -m64}} \
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%{m32: \
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-mptr32 -mno-stack-bias \
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%{!mlong-double-128:-mlong-double-64} \
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%{!mcpu*: \
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%{!mcypress: \
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%{!msparclite: \
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%{!mf930: \
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%{!mf934: \
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%{!mv8*: \
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%{!msupersparc:-mcpu=cypress}}}}}}}} \
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%{!m32: \
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%{p:-mcmodel=medlow} \
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%{pg:-mcmodel=medlow}}"
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/* Make sure we use the right output format. Pick a default and then
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make sure -m32/-m64 switch to the right one. */
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#define LINK_ARCH32_SPEC \
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"%-m elf32_sparc \
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%{assert*} %{R*} %{V} %{v:%{!V:-V}} \
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%{shared:-shared} \
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%{!shared: \
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-dp \
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%{!nostdlib:%{!r*:%{!e*:-e __start}}} \
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%{!static: \
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-dy %{rdynamic:-export-dynamic} \
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%{!dynamic-linker:-dynamic-linker /usr/libexec/ld.elf_so}} \
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%{static:-static}}"
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#define LINK_ARCH64_SPEC \
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"%-m elf64_sparc \
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%{assert*} %{R*} %{V} %{v:%{!V:-V}} \
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%{shared:-shared} \
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%{!shared: \
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-dp \
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%{!nostdlib:%{!r*:%{!e*:-e __start}}} \
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%{!static: \
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-dy %{rdynamic:-export-dynamic} \
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%{!dynamic-linker:-dynamic-linker /usr/libexec/ld.elf_so}} \
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%{static:-static}}"
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#define LINK_ARCH_SPEC "\
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%{m32:%(link_arch32)} \
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%{m64:%(link_arch64)} \
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%{!m32:%{!m64:%(link_arch_default)}} \
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"
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#if DEFAULT_ARCH32_P
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#define LINK_ARCH_DEFAULT_SPEC LINK_ARCH32_SPEC
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#else
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#define LINK_ARCH_DEFAULT_SPEC LINK_ARCH64_SPEC
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#endif
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/* What extra spec entries do we need? */
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#undef SUBTARGET_EXTRA_SPECS
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#define SUBTARGET_EXTRA_SPECS \
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{ "link_arch32", LINK_ARCH32_SPEC }, \
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{ "link_arch64", LINK_ARCH64_SPEC }, \
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{ "link_arch_default", LINK_ARCH_DEFAULT_SPEC }, \
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{ "link_arch", LINK_ARCH_SPEC }, \
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{ "cpp_subtarget_spec32", CPP_SUBTARGET_SPEC32 }, \
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{ "cpp_subtarget_spec64", CPP_SUBTARGET_SPEC64 },
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/* What extra switches do we need? */
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#undef SUBTARGET_SWITCHES
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#define SUBTARGET_SWITCHES \
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{"long-double-64", -MASK_LONG_DOUBLE_128, N_("Use 64 bit long doubles") }, \
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{"long-double-128", MASK_LONG_DOUBLE_128, N_("Use 128 bit long doubles") },
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/* Build a compiler that supports -m32 and -m64? */
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#ifdef SPARC_BI_ARCH
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#undef LONG_DOUBLE_TYPE_SIZE
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#define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64)
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#undef MAX_LONG_DOUBLE_TYPE_SIZE
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#define MAX_LONG_DOUBLE_TYPE_SIZE 128
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#if defined(__arch64__) || defined(__LONG_DOUBLE_128__)
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#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128
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#else
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#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
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#endif
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#undef CC1_SPEC
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#if DEFAULT_ARCH32_P
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#define CC1_SPEC CC1_SPEC32
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#else
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#define CC1_SPEC CC1_SPEC64
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#endif
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#if DEFAULT_ARCH32_P
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#define MULTILIB_DEFAULTS { "m32" }
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#else
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#define MULTILIB_DEFAULTS { "m64" }
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#endif
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#undef CPP_SUBTARGET_SPEC
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#if DEFAULT_ARCH32_P
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#define CPP_SUBTARGET_SPEC \
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"%{m64:%(cpp_subtarget_spec64)}%{!m64:%(cpp_subtarget_spec32)}"
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#else
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#define CPP_SUBTARGET_SPEC \
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"%{!m32:%(cpp_subtarget_spec64)}%{m32:%(cpp_subtarget_spec32)}"
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#endif
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/* Restore this from sparc/sparc.h, netbsd.h changes it. */
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#undef CPP_SPEC
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#define CPP_SPEC "%(cpp_cpu) %(cpp_arch) %(cpp_endian) %(cpp_subtarget)"
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/* Name the port. */
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#undef TARGET_NAME
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#define TARGET_NAME (DEFAULT_ARCH32_P ? TARGET_NAME32 : TARGET_NAME64)
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#else /* SPARC_BI_ARCH */
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#if TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
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|| TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc
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#undef LONG_DOUBLE_TYPE_SIZE
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#define LONG_DOUBLE_TYPE_SIZE 128
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#undef MAX_LONG_DOUBLE_TYPE_SIZE
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#define MAX_LONG_DOUBLE_TYPE_SIZE 128
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#undef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
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#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128
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#undef CC1_SPEC
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#define CC1_SPEC CC1_SPEC64
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#undef CPP_SUBTARGET_SPEC
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#define CPP_SUBTARGET_SPEC CPP_SUBTARGET_SPEC64
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#undef TARGET_NAME
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#define TARGET_NAME TARGET_NAME64
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#else /* TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
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|| TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc */
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/* A 32-bit only compiler. NetBSD don't support 128 bit `long double'
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for 32-bit code, unlike Solaris. */
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#undef LONG_DOUBLE_TYPE_SIZE
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#define LONG_DOUBLE_TYPE_SIZE 64
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#undef MAX_LONG_DOUBLE_TYPE_SIZE
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#define MAX_LONG_DOUBLE_TYPE_SIZE 64
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#undef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
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#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
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#undef CPP_SUBTARGET_SPEC
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#define CPP_SUBTARGET_SPEC CPP_SUBTARGET_SPEC32
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#undef CC1_SPEC
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#define CC1_SPEC CC1_SPEC32
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#undef TARGET_NAME
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#define TARGET_NAME TARGET_NAME32
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#endif /* TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
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|| TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc */
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#endif /* SPARC_BI_ARCH */
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/* We use GNU ld so undefine this so that attribute((init_priority)) works. */
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#undef CTORS_SECTION_ASM_OP
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#undef DTORS_SECTION_ASM_OP
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