| /* 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, 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, 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 }, |
| |
| |
| /* 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) |
| |
| #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 |