diff options
Diffstat (limited to 'gcc/config/sparc/netbsd-elf.h')
| -rw-r--r-- | gcc/config/sparc/netbsd-elf.h | 270 |
1 files changed, 270 insertions, 0 deletions
diff --git a/gcc/config/sparc/netbsd-elf.h b/gcc/config/sparc/netbsd-elf.h new file mode 100644 index 0000000..b07fee3 --- /dev/null +++ b/gcc/config/sparc/netbsd-elf.h @@ -0,0 +1,270 @@ +/* Definitions of target machine for GCC, for ELF on NetBSD/sparc + and NetBSD/sparc64. + Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc. + Contributed by Matthew Green (mrg@eterna.com.au). + +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, 51 Franklin Street, Fifth Floor, +Boston, MA 02110-1301, USA. */ + +#define TARGET_OS_CPP_BUILTINS() \ + do \ + { \ + NETBSD_OS_CPP_BUILTINS_ELF(); \ + if (TARGET_ARCH64) \ + { \ + builtin_define ("__sparc64__"); \ + builtin_define ("__sparc_v9__"); \ + builtin_define ("__sparcv9"); \ + } \ + else \ + builtin_define ("__sparc"); \ + builtin_define ("__sparc__"); \ + } \ + while (0) + +/* Make sure these are undefined. */ +#undef MD_EXEC_PREFIX +#undef MD_STARTFILE_PREFIX + +/* CPP defines used by all NetBSD targets. */ +#undef CPP_SUBTARGET_SPEC +#define CPP_SUBTARGET_SPEC "%(netbsd_cpp_spec)" + +/* 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" + +/* 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 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)) + +#undef USER_LABEL_PREFIX +#define USER_LABEL_PREFIX "" + +#undef ASM_SPEC +#define ASM_SPEC "%{fpic|fPIC|fpie|fPIE:-K PIC} %{V} %{v:%{!V:-V}} \ +%{mlittle-endian:-EL} \ +%(asm_cpu) %(asm_arch) %(asm_relax)" + +#undef STDC_0_IN_SYSTEM_HEADERS + +/* Attempt to enable execute permissions on the stack. */ +#define ENABLE_EXECUTE_STACK NETBSD_ENABLE_EXECUTE_STACK + +#undef TARGET_VERSION +#define TARGET_VERSION fprintf (stderr, " (%s)", TARGET_NAME); + +/* 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" + +#define LINK_ARCH64_SPEC "-m elf64_sparc" + +#define LINK_ARCH_SPEC \ + "%{m32:%(link_arch32)} \ + %{m64:%(link_arch64)} \ + %{!m32:%{!m64:%(link_arch_default)}}" + +#undef LINK_SPEC +#define LINK_SPEC \ + "%(link_arch) \ + %{!mno-relax:%{!r:-relax}} \ + %(netbsd_link_spec)" + +#define NETBSD_ENTRY_POINT "__start" + +#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 }, \ + { "netbsd_cpp_spec", NETBSD_CPP_SPEC }, \ + { "netbsd_link_spec", NETBSD_LINK_SPEC_ELF }, \ + { "netbsd_entry_point", NETBSD_ENTRY_POINT }, + + +/* 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) + +#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 + +/* 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 LIBGCC2_LONG_DOUBLE_TYPE_SIZE +#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128 + +#undef CC1_SPEC +#define CC1_SPEC CC1_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 LIBGCC2_LONG_DOUBLE_TYPE_SIZE +#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64 + +#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 |
