/* Definitions of target machine for GCC, for ELF on NetBSD/sparc and NetBSD/sparc64. Copyright (C) 2002-2017 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 3, 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 COPYING3. If not see . */ #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) /* 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 "%{" FPIE_OR_FPIC_SPEC ":-K PIC} \ %(asm_cpu) %(asm_arch) %(asm_relax)" #undef STDC_0_IN_SYSTEM_HEADERS #define HAVE_ENABLE_EXECUTE_STACK /* 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.. */ /* 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 \ "%{m32:%{m64:%emay not use both -m32 and -m64}} \ %{m64: \ -mptr64 -mstack-bias -mno-v8plus -mlong-double-128 \ %{!mcpu*:%{!mv8plus:-mcpu=ultrasparc}} \ %{!mno-vis:%{!mcpu=v9:-mvis}} \ %{p:-mcmodel=medlow} \ %{pg:-mcmodel=medlow}}" #define CC1_SPEC64 \ "%{m32:%{m64:%emay not use both -m32 and -m64}} \ %{m32: \ -mptr32 -mno-stack-bias \ %{!mlong-double-128:-mlong-double-64} \ %{!mcpu*:%{!mv8plus:-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) #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 #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 CC1_SPEC #define CC1_SPEC CC1_SPEC64 #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 CC1_SPEC #define CC1_SPEC CC1_SPEC32 #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