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