/* Definitions for SPARC running Linux-based GNU systems with ELF.
- Copyright (C) 1996, 1997, 1998, 1999, 2000, 2002, 2003, 2004, 2005, 2006,
- 2007 Free Software Foundation, Inc.
+ Copyright (C) 1996-2024 Free Software Foundation, Inc.
Contributed by Eddie C. Dost (ecd@skynet.be)
This file is part of GCC.
#define TARGET_OS_CPP_BUILTINS() \
do \
{ \
- LINUX_TARGET_OS_CPP_BUILTINS(); \
+ GNU_USER_TARGET_OS_CPP_BUILTINS(); \
if (TARGET_LONG_DOUBLE_128) \
builtin_define ("__LONG_DOUBLE_128__"); \
} \
while (0)
-/* Provide a ENDFILE_SPEC appropriate for GNU/Linux. Here we tack on
- the GNU/Linux magical crtend.o file (see crtstuff.c) which
- provides part of the support for getting C++ file-scope static
- object constructed before entering `main', followed by a normal
- GNU/Linux "finalizer" file, `crtn.o'. */
-
#undef ENDFILE_SPEC
#define ENDFILE_SPEC \
- "%{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s\
- %{ffast-math|funsafe-math-optimizations:crtfastmath.o%s}"
+ GNU_USER_TARGET_ENDFILE_SPEC \
+ "%{Ofast|ffast-math|funsafe-math-optimizations:%{!shared: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
-/* This is for -profile to use -lc_p instead of -lc. */
-#undef CC1_SPEC
-#define CC1_SPEC "%{profile:-p} \
-%{sun4:} %{target:} \
-%{mcypress:-mcpu=cypress} \
-%{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
-%{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
-"
+#undef ASAN_CC1_SPEC
+#define ASAN_CC1_SPEC "%{%:sanitize(address):-funwind-tables}"
-#undef TARGET_VERSION
-#define TARGET_VERSION fprintf (stderr, " (sparc GNU/Linux with ELF)");
+#undef CC1_SPEC
+#define CC1_SPEC GNU_USER_TARGET_CC1_SPEC ASAN_CC1_SPEC
#undef SIZE_TYPE
#define SIZE_TYPE "unsigned int"
/* 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. We like to support here for
- as many of the other GNU linker options as possible. But I don't
- have the time to search for those flags. I am sure how to add
- support for -soname shared_object_name. H.J.
-
- I took out %{v:%{!V:-V}}. It is too much :-(. They can use
- -Wl,-V.
+ combinations of options at link-time.
When the -shared link option is used a final link is not being
done. */
-/* If ELF is the default format, we should not use /lib/elf. */
-
#define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2"
#undef LINK_SPEC
-#define LINK_SPEC "-m elf32_sparc -Y P,/usr/lib %{shared:-shared} \
+#define LINK_SPEC "-m elf32_sparc %{shared:-shared} \
%{!mno-relax:%{!r:-relax}} \
%{!shared: \
- %{!ibcs: \
- %{!static: \
- %{rdynamic:-export-dynamic} \
- %{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER "}} \
- %{static:-static}}}"
-
-/* The sun bundled assembler doesn't accept -Yd, (and neither does gas).
- It's safe to pass -s always, even if -g is not used. */
-#undef ASM_SPEC
-#define ASM_SPEC \
- "%{V} %{v:%{!V:-V}} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Wa,*:%*} -s \
- %{fpic|fPIC|fpie|fPIE:-K PIC} %(asm_cpu) %(asm_relax)"
+ %{!static: \
+ %{rdynamic:-export-dynamic} \
+ -dynamic-linker " GNU_USER_DYNAMIC_LINKER "} \
+ %{static:-static}}"
-/* Same as sparc.h */
-#undef DBX_REGISTER_NUMBER
-#define DBX_REGISTER_NUMBER(REGNO) (REGNO)
+/* 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) \
#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))
-
\f
/* 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)
-/* Define this to set long double type size to use in libgcc2.c, which can
- not depend on target_flags. */
-#ifdef __LONG_DOUBLE_128__
-#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128
-#else
-#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
-#endif
-
#undef DITF_CONVERSION_LIBFUNCS
#define DITF_CONVERSION_LIBFUNCS 1
\f
#undef CTORS_SECTION_ASM_OP
#undef DTORS_SECTION_ASM_OP
-#define MD_UNWIND_SUPPORT "config/sparc/linux-unwind.h"
-
-/* Linux currently uses RMO in uniprocessor mode, which is equivalent to
- TMO, and TMO in multiprocessor mode. But they reserve the right to
- change their minds. */
-#undef SPARC_RELAXED_ORDERING
-#define SPARC_RELAXED_ORDERING true
+/* 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
/* 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
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