/* Definitions for SPARC running Linux-based GNU systems with ELF. Copyright (C) 1996-2021 Free Software Foundation, Inc. Contributed by Eddie C. Dost (ecd@skynet.be) 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 <http://www.gnu.org/licenses/>. */ #define TARGET_OS_CPP_BUILTINS() \ do \ { \ GNU_USER_TARGET_OS_CPP_BUILTINS(); \ if (TARGET_LONG_DOUBLE_128) \ builtin_define ("__LONG_DOUBLE_128__"); \ } \ while (0) #undef ENDFILE_SPEC #define ENDFILE_SPEC \ GNU_USER_TARGET_ENDFILE_SPEC \ "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s}" /* -mcpu=native handling only makes sense with compiler running on a SPARC chip. */ #if defined(__sparc__) && defined(__linux__) extern const char *host_detect_local_cpu (int argc, const char **argv); # define EXTRA_SPEC_FUNCTIONS \ { "local_cpu_detect", host_detect_local_cpu }, # define MCPU_MTUNE_NATIVE_SPECS \ " %{mcpu=native:%<mcpu=native %:local_cpu_detect(cpu)}" \ " %{mtune=native:%<mtune=native %:local_cpu_detect(tune)}" #else # define MCPU_MTUNE_NATIVE_SPECS "" #endif #define DRIVER_SELF_SPECS MCPU_MTUNE_NATIVE_SPECS #undef ASAN_CC1_SPEC #define ASAN_CC1_SPEC "%{%:sanitize(address):-funwind-tables}" #undef CC1_SPEC #define CC1_SPEC GNU_USER_TARGET_CC1_SPEC ASAN_CC1_SPEC #undef SIZE_TYPE #define SIZE_TYPE "unsigned int" #undef PTRDIFF_TYPE #define PTRDIFF_TYPE "int" #undef WCHAR_TYPE #define WCHAR_TYPE "int" #undef WCHAR_TYPE_SIZE #define WCHAR_TYPE_SIZE 32 #undef CPP_SUBTARGET_SPEC #define CPP_SUBTARGET_SPEC \ "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}" /* Provide a LINK_SPEC appropriate for GNU/Linux. Here we provide support for the special GCC options -static and -shared, which allow us to link things in one of these three modes by applying the appropriate combinations of options at link-time. When the -shared link option is used a final link is not being done. */ #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2" #undef LINK_SPEC #define LINK_SPEC "-m elf32_sparc %{shared:-shared} \ %{!mno-relax:%{!r:-relax}} \ %{!shared: \ %{!static: \ %{rdynamic:-export-dynamic} \ -dynamic-linker " GNU_USER_DYNAMIC_LINKER "} \ %{static:-static}}" /* It's safe to pass -s always, even if -g is not used. */ #undef ASM_SPEC #define ASM_SPEC "\ -s \ %{" FPIE_OR_FPIC_SPEC ":-K PIC} \ %{!.c:%{findirect-dispatch:-K PIC}} \ %(asm_cpu) %(asm_relax)" #undef ASM_OUTPUT_ALIGNED_LOCAL #define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \ do { \ fputs ("\t.local\t", (FILE)); \ assemble_name ((FILE), (NAME)); \ putc ('\n', (FILE)); \ ASM_OUTPUT_ALIGNED_COMMON (FILE, NAME, SIZE, ALIGN); \ } while (0) #undef COMMON_ASM_OP #define COMMON_ASM_OP "\t.common\t" #undef LOCAL_LABEL_PREFIX #define LOCAL_LABEL_PREFIX "." /* Define for support of TFmode long double. SPARC ABI says that long double is 4 words. */ #define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64) #undef DITF_CONVERSION_LIBFUNCS #define DITF_CONVERSION_LIBFUNCS 1 #ifdef HAVE_AS_TLS #undef TARGET_SUN_TLS #undef TARGET_GNU_TLS #define TARGET_SUN_TLS 0 #define TARGET_GNU_TLS 1 #endif /* We use GNU ld so undefine this so that attribute((init_priority)) works. */ #undef CTORS_SECTION_ASM_OP #undef DTORS_SECTION_ASM_OP /* Static stack checking is supported by means of probes. */ #define STACK_CHECK_STATIC_BUILTIN 1 #undef NEED_INDICATE_EXEC_STACK #define NEED_INDICATE_EXEC_STACK 1 #ifdef TARGET_LIBC_PROVIDES_SSP /* sparc glibc provides __stack_chk_guard in [%g7 + 0x14]. */ #define TARGET_THREAD_SSP_OFFSET 0x14 #endif /* Define if long doubles should be mangled as 'g'. */ #define TARGET_ALTERNATE_LONG_DOUBLE_MANGLING /* We use glibc _mcount for profiling. */ #undef NO_PROFILE_COUNTERS #define NO_PROFILE_COUNTERS 1