/* Operating system specific defines to be used when targeting GCC for any
Solaris 2 system.
- Copyright 2002, 2003, 2004, 2007, 2008, 2009, 2010
+ Copyright 2002, 2003, 2004, 2007, 2008, 2009, 2010, 2011
Free Software Foundation, Inc.
This file is part of GCC.
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
-/* We use stabs-in-elf for debugging, because that is what the native
- toolchain uses. */
-#undef PREFERRED_DEBUGGING_TYPE
-#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
+/* We are compiling for Solaris 2 now. */
+#define TARGET_SOLARIS 1
/* Solaris 2 (at least as of 2.5.1) uses a 32-bit wchar_t. */
#undef WCHAR_TYPE
#define INTPTR_TYPE (LONG_TYPE_SIZE == 64 ? "long int" : "int")
#define UINTPTR_TYPE (LONG_TYPE_SIZE == 64 ? "long unsigned int" : "unsigned int")
-/* ??? Note: in order for -compat-bsd to work fully,
- we must somehow arrange to fixincludes /usr/ucbinclude
- and put the result in $(libsubdir)/ucbinclude. */
-
#undef CPP_SUBTARGET_SPEC
#define CPP_SUBTARGET_SPEC "\
-%{pthreads|pthread:-D_REENTRANT -D_PTHREADS} \
-%{!pthreads:%{!pthread:%{threads:-D_REENTRANT -D_SOLARIS_THREADS}}} \
-%{compat-bsd:-iwithprefixbefore ucbinclude -I/usr/ucbinclude} \
-"
+%{pthreads|pthread:-D_REENTRANT -D_PTHREADS}"
/* Names to predefine in the preprocessor for this target machine. */
#define TARGET_SUB_OS_CPP_BUILTINS()
library. */ \
if (c_dialect_cxx ()) \
{ \
- builtin_define ("_XOPEN_SOURCE=500"); \
+ builtin_define ("__STDC_VERSION__=199901L");\
+ builtin_define ("_XOPEN_SOURCE=600"); \
builtin_define ("_LARGEFILE_SOURCE=1"); \
builtin_define ("_LARGEFILE64_SOURCE=1"); \
builtin_define ("__EXTENSIONS__"); \
TARGET_SUB_OS_CPP_BUILTINS(); \
} while (0)
-/* The system headers under Solaris 2 are C++-aware since 2.0. */
-#define NO_IMPLICIT_EXTERN_C
+/* It's safe to pass -s always, even if -g is not used. Those options are
+ handled by both Sun as and GNU as. */
+#define ASM_SPEC_BASE \
+"%{v:-V} %{Qy:} %{!Qn:-Qy} %{Ym,*} -s %(asm_cpu)"
-/* 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} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Wa,*:%*} -s \
-%{fpic|fpie|fPIC|fPIE:-K PIC} \
-%(asm_cpu) \
-"
+#define ASM_PIC_SPEC " %{fpic|fpie|fPIC|fPIE:-K PIC}"
-/* We don't use the standard LIB_SPEC only because we don't yet support c++. */
#undef LIB_SPEC
#define LIB_SPEC \
- "%{compat-bsd:-lucb -lsocket -lnsl -lelf -laio} \
- %{!shared:\
- %{!symbolic:\
- %{pthreads|pthread:-lpthread} \
- %{!pthreads:%{!pthread:%{threads:-lthread}}} \
- %{p|pg:-ldl} -lc}}"
+ "%{!symbolic:\
+ %{pthreads|pthread:-lpthread} \
+ %{pthreads|pthread|fprofile-generate*:" LIB_TLS_SPEC "} \
+ %{p|pg:-ldl} -lc}"
-#undef ENDFILE_SPEC
-#define ENDFILE_SPEC "crtend.o%s crtn.o%s"
+#ifndef CROSS_DIRECTORY_STRUCTURE
+#undef MD_EXEC_PREFIX
+#define MD_EXEC_PREFIX "/usr/ccs/bin/"
+
+#undef MD_STARTFILE_PREFIX
+#define MD_STARTFILE_PREFIX "/usr/ccs/lib/"
+#endif
+
+#undef STARTFILE_ARCH32_SPEC
+#define STARTFILE_ARCH32_SPEC "%{ansi:values-Xc.o%s} \
+ %{!ansi:values-Xa.o%s}"
+
+#undef STARTFILE_ARCH_SPEC
+#define STARTFILE_ARCH_SPEC STARTFILE_ARCH32_SPEC
/* We don't use the standard svr4 STARTFILE_SPEC because it's wrong for us. */
#undef STARTFILE_SPEC
crti.o%s %(startfile_arch) \
crtbegin.o%s"
-#undef STARTFILE_ARCH32_SPEC
-#define STARTFILE_ARCH32_SPEC "%{ansi:values-Xc.o%s} \
- %{!ansi:values-Xa.o%s}"
-
-#undef STARTFILE_ARCH_SPEC
-#define STARTFILE_ARCH_SPEC STARTFILE_ARCH32_SPEC
+#undef ENDFILE_SPEC
+#define ENDFILE_SPEC \
+ "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \
+ crtend.o%s crtn.o%s"
#undef LINK_ARCH32_SPEC_BASE
#define LINK_ARCH32_SPEC_BASE \
"%{G:-G} \
%{YP,*} \
%{R*} \
- %{compat-bsd: \
- %{!YP,*:%{p|pg:-Y P,%R/usr/ucblib:%R/usr/ccs/lib/libp:%R/usr/lib/libp:%R/usr/ccs/lib:%R/usr/lib} \
- %{!p:%{!pg:-Y P,%R/usr/ucblib:%R/usr/ccs/lib:%R/usr/lib}}} \
- -R %R/usr/ucblib} \
- %{!compat-bsd: \
- %{!YP,*:%{p|pg:-Y P,%R/usr/ccs/lib/libp:%R/usr/lib/libp:%R/usr/ccs/lib:%R/usr/lib} \
- %{!p:%{!pg:-Y P,%R/usr/ccs/lib:%R/usr/lib}}}}"
+ %{!YP,*:%{p|pg:-Y P,%R/usr/ccs/lib/libp:%R/usr/lib/libp:%R/usr/ccs/lib:%R/lib:%R/usr/lib} \
+ %{!p:%{!pg:-Y P,%R/usr/ccs/lib:%R/lib:%R/usr/lib}}}"
#undef LINK_ARCH32_SPEC
#define LINK_ARCH32_SPEC LINK_ARCH32_SPEC_BASE
#undef LINK_ARCH_SPEC
#define LINK_ARCH_SPEC LINK_ARCH32_SPEC
-/* This should be the same as in svr4.h, except with -R added. */
+#ifndef USE_GLD
+/* With Sun ld, -rdynamic is a no-op. */
+#define RDYNAMIC_SPEC ""
+#else
+/* GNU ld needs --export-dynamic to implement -rdynamic. */
+#define RDYNAMIC_SPEC "--export-dynamic"
+#endif
+
#undef LINK_SPEC
#define LINK_SPEC \
"%{h*} %{v:-V} \
- %{b} \
+ %{!shared:%{!static:%{rdynamic: " RDYNAMIC_SPEC "}}} \
%{static:-dn -Bstatic} \
%{shared:-G -dy %{!mimpure-text:-z text}} \
%{symbolic:-Bsymbolic -G -dy -z text} \
+ %{pthreads|pthread|fprofile-generate*:" LIB_THREAD_LDFLAGS_SPEC "} \
%(link_arch) \
%{Qy:} %{!Qn:-Qy}"
-/* The Solaris linker doesn't understand constructor priorities. (The
- GNU linker does support constructor priorities, so GNU ld
- configuration files for Solaris override this setting.) */
-#undef SUPPORTS_INIT_PRIORITY
-#define SUPPORTS_INIT_PRIORITY 0
+#ifdef USE_GLD
+/* Solaris 11 build 135+ implements dl_iterate_phdr. GNU ld needs
+ --eh-frame-hdr to create the required .eh_frame_hdr sections. */
+#if defined(HAVE_LD_EH_FRAME_HDR) && defined(TARGET_DL_ITERATE_PHDR)
+#define LINK_EH_SPEC "%{!static:--eh-frame-hdr} "
+#endif /* HAVE_LD_EH_FRAME && TARGET_DL_ITERATE_PHDR */
+#endif
-/* This defines which switch letters take arguments.
- It is as in svr4.h but with -R added. */
-#undef SWITCH_TAKES_ARG
-#define SWITCH_TAKES_ARG(CHAR) \
- (DEFAULT_SWITCH_TAKES_ARG(CHAR) \
- || (CHAR) == 'R' \
- || (CHAR) == 'h' \
- || (CHAR) == 'z')
+#ifndef USE_GLD
+/* The default MFLIB_SPEC is GNU ld specific. */
+#define MFLIB_SPEC ""
+#endif
-#define STDC_0_IN_SYSTEM_HEADERS 1
+/* collect2.c can only parse GNU nm -n output. Solaris nm needs -png to
+ produce the same format. */
+#define NM_FLAGS "-png"
\f
-/*
- * Attempt to turn on access permissions for the stack.
- *
- * _SC_STACK_PROT is only defined for post 2.6, but we want this code
- * to run always. 2.6 can change the stack protection but has no way to
- * query it.
- *
- */
-
-/* sys/mman.h is not present on some non-Solaris configurations
- that use sol2.h, so ENABLE_EXECUTE_STACK must use a magic
- number instead of the appropriate PROT_* flags. */
-
-#define ENABLE_EXECUTE_STACK \
- \
-/* #define STACK_PROT_RWX (PROT_READ | PROT_WRITE | PROT_EXEC) */ \
- \
-static int need_enable_exec_stack; \
- \
-static void check_enabling(void) __attribute__ ((constructor)); \
-static void check_enabling(void) \
-{ \
- extern long sysconf(int); \
- \
- int prot = (int) sysconf(515 /* _SC_STACK_PROT */); \
- if (prot != 7 /* STACK_PROT_RWX */) \
- need_enable_exec_stack = 1; \
-} \
- \
-extern void __enable_execute_stack (void *); \
-void \
-__enable_execute_stack (void *addr) \
-{ \
- extern int mprotect(void *, size_t, int); \
- if (!need_enable_exec_stack) \
- return; \
- else { \
- long size = getpagesize (); \
- long mask = ~(size-1); \
- char *page = (char *) (((long) addr) & mask); \
- char *end = (char *) ((((long) (addr + TRAMPOLINE_SIZE)) & mask) + size); \
- \
- if (mprotect (page, end - page, 7 /* STACK_PROT_RWX */) < 0) \
- perror ("mprotect of trampoline code"); \
- } \
-}
+/* The system headers under Solaris 2 are C++-aware since 2.0. */
+#define NO_IMPLICIT_EXTERN_C
+
+#define STDC_0_IN_SYSTEM_HEADERS 1
/* Support Solaris-specific format checking for cmn_err. */
#define TARGET_N_FORMAT_TYPES 1
/* #pragma init and #pragma fini are implemented on top of init and
fini attributes. */
#define SOLARIS_ATTRIBUTE_TABLE \
- { "init", 0, 0, true, false, false, NULL }, \
- { "fini", 0, 0, true, false, false, NULL }
+ { "init", 0, 0, true, false, false, NULL, false }, \
+ { "fini", 0, 0, true, false, false, NULL, false }
+
+/* Solaris-specific #pragmas are implemented on top of attributes. Hook in
+ the bits from config/sol2.c. */
+#define SUBTARGET_INSERT_ATTRIBUTES solaris_insert_attributes
+#define SUBTARGET_ATTRIBUTE_TABLE SOLARIS_ATTRIBUTE_TABLE
+
+/* Allow macro expansion in #pragma pack. */
+#define HANDLE_PRAGMA_PACK_WITH_EXPANSION
+
+#define TARGET_CXX_DECL_MANGLING_CONTEXT solaris_cxx_decl_mangling_context
+
+/* Solaris/x86 as and gas support unquoted section names. */
+#define SECTION_NAME_FORMAT "%s"
/* This is how to declare the size of a function. For Solaris, we output
any .init or .fini entries here. */
} \
while (0)
-/* Solaris 'as' has a bug: a .common directive in .tbss section
+/* Solaris as has a bug: a .common directive in .tbss or .tdata section
behaves as .tls_common rather than normal non-TLS .common. */
#undef ASM_OUTPUT_ALIGNED_COMMON
#define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN) \
{ \
if (TARGET_SUN_TLS \
&& in_section \
- && ((in_section->common.flags & (SECTION_TLS | SECTION_BSS)) \
- == (SECTION_TLS | SECTION_BSS))) \
+ && ((in_section->common.flags & SECTION_TLS) == SECTION_TLS)) \
switch_to_section (bss_section); \
fprintf ((FILE), "%s", COMMON_ASM_OP); \
assemble_name ((FILE), (NAME)); \
#ifndef USE_GAS
#undef TARGET_ASM_ASSEMBLE_VISIBILITY
#define TARGET_ASM_ASSEMBLE_VISIBILITY solaris_assemble_visibility
+
+#define AS_NEEDS_DASH_FOR_PIPED_INPUT
+
+/* The Solaris assembler cannot grok .stabd directives. */
+#undef NO_DBX_BNSYM_ENSYM
+#define NO_DBX_BNSYM_ENSYM 1
+#endif
+
+#ifndef USE_GLD
+/* The Solaris linker doesn't understand constructor priorities. */
+#undef SUPPORTS_INIT_PRIORITY
+#define SUPPORTS_INIT_PRIORITY 0
#endif
+/* Solaris has an implementation of __enable_execute_stack. */
+#define HAVE_ENABLE_EXECUTE_STACK
+
+/* Static stack checking is supported by means of probes. */
+#define STACK_CHECK_STATIC_BUILTIN 1
+
+#define TARGET_POSIX_IO
+
extern GTY(()) tree solaris_pending_aligns;
extern GTY(()) tree solaris_pending_inits;
extern GTY(()) tree solaris_pending_finis;
-
-/* Allow macro expansion in #pragma pack. */
-#define HANDLE_PRAGMA_PACK_WITH_EXPANSION