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/* Operating system specific defines to be used when targeting GCC for any
Solaris 2 system.
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 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/>. */
/* 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
/* Solaris 2 (at least as of 2.5.1) uses a 32-bit wchar_t. */
#undef WCHAR_TYPE
#define WCHAR_TYPE "long int"
#undef WCHAR_TYPE_SIZE
#define WCHAR_TYPE_SIZE BITS_PER_WORD
/* Solaris 2 uses a wint_t different from the default. This is required
by the SCD 2.4.1, p. 6-83, Figure 6-66. */
#undef WINT_TYPE
#define WINT_TYPE "long int"
#undef WINT_TYPE_SIZE
#define WINT_TYPE_SIZE BITS_PER_WORD
#define SIG_ATOMIC_TYPE "int"
/* ??? 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")
/* ??? 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} \
"
/* Names to predefine in the preprocessor for this target machine. */
#define TARGET_SUB_OS_CPP_BUILTINS()
#define TARGET_OS_CPP_BUILTINS() \
do { \
builtin_define_std ("unix"); \
builtin_define_std ("sun"); \
builtin_define ("__svr4__"); \
builtin_define ("__SVR4"); \
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_dialect_cxx ()) \
{ \
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. */
#undef ASM_SPEC
#define ASM_SPEC "\
%{v:-V} %{Qy:} %{!Qn:-Qy} %{Ym,*} -s \
%{fpic|fpie|fPIC|fPIE:-K PIC} \
%(asm_cpu) \
"
#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
/* 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} \
%{!symbolic:\
%{pthreads|pthread:-lpthread " LIB_TLS_SPEC "} \
%{!pthreads:%{!pthread:%{threads:-lthread}}} \
%{p|pg:-ldl} -lc}"
#undef ENDFILE_SPEC
#define ENDFILE_SPEC "crtend.o%s crtn.o%s"
/* We don't use the standard svr4 STARTFILE_SPEC because it's wrong for us. */
#undef STARTFILE_SPEC
#define STARTFILE_SPEC "%{!shared: \
%{!symbolic: \
%{p:mcrt1.o%s} \
%{!p: \
%{pg:gcrt1.o%s gmon.o%s} \
%{!pg:crt1.o%s}}}} \
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 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}}}}"
#undef LINK_ARCH32_SPEC
#define LINK_ARCH32_SPEC LINK_ARCH32_SPEC_BASE
#undef LINK_ARCH_SPEC
#define LINK_ARCH_SPEC LINK_ARCH32_SPEC
#undef LINK_SPEC
#define LINK_SPEC \
"%{h*} %{v:-V} \
%{!shared:%{!static:%{rdynamic: " RDYNAMIC_SPEC "}}} \
%{static:-dn -Bstatic} \
%{shared:-G -dy %{!mimpure-text:-z text}} \
%{symbolic:-Bsymbolic -G -dy -z text} \
%{pthreads|pthread|threads:" LIB_THREAD_LDFLAGS_SPEC "} \
%(link_arch) \
%{Qy:} %{!Qn:-Qy}"
/* With Sun ld, -rdynamic is a no-op. */
#define RDYNAMIC_SPEC ""
/* 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
/* collect2.c can only parse GNU nm -n output. Solaris nm needs -png to
produce the same format. */
#define NM_FLAGS "-png"
#define STDC_0_IN_SYSTEM_HEADERS 1
/*
* 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"); \
} \
}
/* 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 }, \
{ "fini", 0, 0, true, false, false, NULL }
/* Solaris/x86 as and gas support the common ELF .section/.pushsection
syntax. */
#define PUSHSECTION_FORMAT "\t.pushsection\t%s\n"
/* 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
#endif
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
#define TARGET_POSIX_IO
|
