/* Operating system specific defines to be used when targeting GCC for any
Solaris 2 system.
- Copyright 2002 Free Software Foundation, Inc.
+ Copyright 2002, 2003, 2004, 2007, 2008, 2009, 2010, 2011
+ Free Software Foundation, Inc.
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 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, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+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
#undef WINT_TYPE_SIZE
#define WINT_TYPE_SIZE BITS_PER_WORD
-#define HANDLE_PRAGMA_REDEFINE_EXTNAME 1
+#define SIG_ATOMIC_TYPE "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. */
+/* ??? This definition of int8_t follows the system header but does
+ not conform to C99. Likewise int_fast8_t, int_least8_t. */
+#define INT8_TYPE "char"
+#define INT16_TYPE "short int"
+#define INT32_TYPE "int"
+#define INT64_TYPE (LONG_TYPE_SIZE == 64 ? "long int" : "long long int")
+#define UINT8_TYPE "unsigned char"
+#define UINT16_TYPE "short unsigned int"
+#define UINT32_TYPE "unsigned int"
+#define UINT64_TYPE (LONG_TYPE_SIZE == 64 ? "long unsigned int" : "long long unsigned int")
+
+#define INT_LEAST8_TYPE "char"
+#define INT_LEAST16_TYPE "short int"
+#define INT_LEAST32_TYPE "int"
+#define INT_LEAST64_TYPE (LONG_TYPE_SIZE == 64 ? "long int" : "long long int")
+#define UINT_LEAST8_TYPE "unsigned char"
+#define UINT_LEAST16_TYPE "short unsigned int"
+#define UINT_LEAST32_TYPE "unsigned int"
+#define UINT_LEAST64_TYPE (LONG_TYPE_SIZE == 64 ? "long unsigned int" : "long long unsigned int")
+
+#define INT_FAST8_TYPE "char"
+#define INT_FAST16_TYPE "int"
+#define INT_FAST32_TYPE "int"
+#define INT_FAST64_TYPE (LONG_TYPE_SIZE == 64 ? "long int" : "long long int")
+#define UINT_FAST8_TYPE "unsigned char"
+#define UINT_FAST16_TYPE "unsigned int"
+#define UINT_FAST32_TYPE "unsigned int"
+#define UINT_FAST64_TYPE (LONG_TYPE_SIZE == 64 ? "long unsigned int" : "long long unsigned int")
+
+#define INTPTR_TYPE (LONG_TYPE_SIZE == 64 ? "long int" : "int")
+#define UINTPTR_TYPE (LONG_TYPE_SIZE == 64 ? "long unsigned int" : "unsigned int")
#undef CPP_SUBTARGET_SPEC
#define CPP_SUBTARGET_SPEC "\
-%{pthreads:-D_REENTRANT -D_PTHREADS} \
-%{!pthreads:%{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()
builtin_define_std ("sun"); \
builtin_define ("__svr4__"); \
builtin_define ("__SVR4"); \
- builtin_define ("__PRAGMA_REDEFINE_EXTNAME"); \
builtin_assert ("system=unix"); \
builtin_assert ("system=svr4"); \
/* For C++ we need to add some additional macro \
definitions required by the C++ standard \
library. */ \
- if (c_language == clk_cplusplus) \
+ 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 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) \
-"
+/* 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)"
+
+#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:-lpthread} \
- %{!pthreads:%{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
-#define LINK_ARCH32_SPEC \
+#undef LINK_ARCH32_SPEC_BASE
+#define LINK_ARCH32_SPEC_BASE \
"%{G:-G} \
%{YP,*} \
%{R*} \
- %{compat-bsd: \
- %{!YP,*:%{p|pg:-Y P,/usr/ucblib:/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \
- %{!p:%{!pg:-Y P,/usr/ucblib:/usr/ccs/lib:/usr/lib}}} \
- -R /usr/ucblib} \
- %{!compat-bsd: \
- %{!YP,*:%{p|pg:-Y P,/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \
- %{!p:%{!pg:-Y P,/usr/ccs/lib:/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} %{Wl,*:%*} \
+ %{!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}"
-/* 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')
+#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
+
+#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.
- *
- * This code must be defined when compiling gcc but not when compiling
- * libgcc2.a, unless we're generating code for 64-bit SPARC
- *
- * _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.
- *
- */
-
-/* This declares mprotect (used in TRANSFER_FROM_TRAMPOLINE) for
- libgcc2.c. */
-/* We don't want to include this because sys/mman.h is not present on
- some non-Solaris configurations that use sol2.h. */
-#if 0 /* def L_trampoline */
-#include <sys/mman.h>
+/* 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
+#define TARGET_FORMAT_TYPES solaris_format_types
+
+/* #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, 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. */
+#undef ASM_DECLARE_FUNCTION_SIZE
+#define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL) \
+ do \
+ { \
+ if (!flag_inhibit_size_directive) \
+ ASM_OUTPUT_MEASURED_SIZE (FILE, FNAME); \
+ solaris_output_init_fini (FILE, DECL); \
+ } \
+ while (0)
+
+/* 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) \
+ do \
+ { \
+ if (TARGET_SUN_TLS \
+ && in_section \
+ && ((in_section->common.flags & SECTION_TLS) == SECTION_TLS)) \
+ switch_to_section (bss_section); \
+ fprintf ((FILE), "%s", COMMON_ASM_OP); \
+ assemble_name ((FILE), (NAME)); \
+ fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \
+ (SIZE), (ALIGN) / BITS_PER_UNIT); \
+ } \
+ while (0)
+
+#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
-#define TRANSFER_FROM_TRAMPOLINE \
- \
-/* #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 (addr) \
- void *addr; \
-{ \
- 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"); \
- } \
-}
+/* 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;