/* Definitions for 64-bit SPARC running Linux-based GNU systems with ELF.
- Copyright 1996, 1997, 1998, 2000, 2002, 2003, 2004, 2005
+ Copyright 1996, 1997, 1998, 2000, 2002, 2003, 2004, 2005, 2006, 2007
Free Software Foundation, Inc.
Contributed by David S. Miller (davem@caip.rutgers.edu)
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)
+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,
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 \
- { \
- builtin_define_std ("unix"); \
- builtin_define_std ("linux"); \
- builtin_define ("_LONGLONG"); \
- builtin_define ("__gnu_linux__"); \
- builtin_assert ("system=linux"); \
- builtin_assert ("system=unix"); \
- builtin_assert ("system=posix"); \
- if (flag_pic) \
- { \
- builtin_define ("__PIC__"); \
- builtin_define ("__pic__"); \
- } \
- } \
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
+
+#define TARGET_OS_CPP_BUILTINS() \
+ do \
+ { \
+ builtin_define_std ("unix"); \
+ builtin_define_std ("linux"); \
+ builtin_define ("_LONGLONG"); \
+ builtin_define ("__gnu_linux__"); \
+ builtin_assert ("system=linux"); \
+ builtin_assert ("system=unix"); \
+ builtin_assert ("system=posix"); \
+ if (TARGET_ARCH32 && TARGET_LONG_DOUBLE_128) \
+ builtin_define ("__LONG_DOUBLE_128__"); \
+ } \
while (0)
/* Don't assume anything about the header files. */
#if TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
|| TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc \
- || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc3
+ || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc3 \
+ || TARGET_CPU_DEFAULT == TARGET_CPU_niagara \
+ || TARGET_CPU_DEFAULT == TARGET_CPU_niagara2
/* A 64 bit v9 compiler with stack-bias,
in a Medium/Low code model environment. */
#undef ASM_CPU_DEFAULT_SPEC
#define ASM_CPU_DEFAULT_SPEC "-Av9a"
-#ifdef SPARC_BI_ARCH
-
-#undef CPP_ARCH32_SPEC
-#define CPP_ARCH32_SPEC "%{mlong-double-128:-D__LONG_DOUBLE_128__}"
-
-#endif
-
/* Provide a STARTFILE_SPEC appropriate for GNU/Linux. Here we add
the GNU/Linux magical crtbegin.o file (see crtstuff.c) which
provides part of the support for getting C++ file-scope static
/* If ELF is the default format, we should not use /lib/elf. */
+#define GLIBC_DYNAMIC_LINKER32 "/lib/ld-linux.so.2"
+#define GLIBC_DYNAMIC_LINKER64 "/lib64/ld-linux.so.2"
+#define UCLIBC_DYNAMIC_LINKER32 "/lib/ld-uClibc.so.0"
+#define UCLIBC_DYNAMIC_LINKER64 "/lib/ld64-uClibc.so.0"
+#if UCLIBC_DEFAULT
+#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:%{muclibc:%e-mglibc and -muclibc used together}" G ";:" U "}"
+#else
+#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:%{mglibc:%e-mglibc and -muclibc used together}" U ";:" G "}"
+#endif
+#define LINUX_DYNAMIC_LINKER32 \
+ CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32)
+#define LINUX_DYNAMIC_LINKER64 \
+ CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64)
+
#ifdef SPARC_BI_ARCH
#undef SUBTARGET_EXTRA_SPECS
{ "link_arch64", LINK_ARCH64_SPEC }, \
{ "link_arch_default", LINK_ARCH_DEFAULT_SPEC }, \
{ "link_arch", LINK_ARCH_SPEC },
-
+
#define LINK_ARCH32_SPEC "-m elf32_sparc -Y P,/usr/lib %{shared:-shared} \
%{!shared: \
%{!ibcs: \
%{!static: \
%{rdynamic:-export-dynamic} \
- %{!dynamic-linker:-dynamic-linker /lib/ld-linux.so.2}} \
+ %{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER32 "}} \
%{static:-static}}} \
"
%{!ibcs: \
%{!static: \
%{rdynamic:-export-dynamic} \
- %{!dynamic-linker:-dynamic-linker /lib64/ld-linux.so.2}} \
+ %{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER64 "}} \
%{static:-static}}} \
"
%{!ibcs: \
%{!static: \
%{rdynamic:-export-dynamic} \
- %{!dynamic-linker:-dynamic-linker /lib64/ld-linux.so.2}} \
+ %{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER64 "}} \
%{static:-static}}} \
%{mlittle-endian:-EL} \
%{!mno-relax:%{!r:-relax}} \
#undef CTORS_SECTION_ASM_OP
#undef DTORS_SECTION_ASM_OP
-/* Determine whether the the entire c99 runtime is present in the
+/* Determine whether the entire c99 runtime is present in the
runtime library. */
-#define TARGET_C99_FUNCTIONS 1
+#define TARGET_C99_FUNCTIONS (OPTION_GLIBC)
+
+/* Whether we have sincos that follows the GNU extension. */
+#define TARGET_HAS_SINCOS (OPTION_GLIBC)
-#define TARGET_HAS_F_SETLKW
+#define TARGET_POSIX_IO
#undef LINK_GCC_C_SEQUENCE_SPEC
#define LINK_GCC_C_SEQUENCE_SPEC \
#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],
+ sparc64 glibc provides it at [%g7 + 0x28]. */
+#define TARGET_THREAD_SSP_OFFSET (TARGET_ARCH64 ? 0x28 : 0x14)
+#endif
+
+/* Define if long doubles should be mangled as 'g'. */
+#define TARGET_ALTERNATE_LONG_DOUBLE_MANGLING
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