/* 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 Free Software Foundation, Inc.
This file is part of GCC.
#undef WINT_TYPE_SIZE
#define WINT_TYPE_SIZE BITS_PER_WORD
-#define HANDLE_PRAGMA_REDEFINE_EXTNAME 1
+#define TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME 1
/* ??? Note: in order for -compat-bsd to work fully,
we must somehow arrange to fixincludes /usr/ucbinclude
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 \
builtin_define ("_LARGEFILE64_SOURCE=1"); \
builtin_define ("__EXTENSIONS__"); \
} \
+ if (flag_pic) \
+ { \
+ builtin_define ("__PIC__"); \
+ builtin_define ("__pic__"); \
+ } \
TARGET_SUB_OS_CPP_BUILTINS(); \
} while (0)
+/* The system headers under Solaris 2 are C++-aware since 2.0. */
+#define NO_IMPLICIT_EXTERN_C
+
/* 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
#undef STARTFILE_ARCH_SPEC
#define STARTFILE_ARCH_SPEC STARTFILE_ARCH32_SPEC
-#undef LINK_ARCH32_SPEC
-#define LINK_ARCH32_SPEC \
+#undef LINK_ARCH32_SPEC_BASE
+#define LINK_ARCH32_SPEC_BASE \
"%{G:-G} \
%{YP,*} \
%{R*} \
%{!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}}}}"
+#undef LINK_ARCH32_SPEC
+#define LINK_ARCH32_SPEC LINK_ARCH32_SPEC_BASE
+
#undef LINK_ARCH_SPEC
#define LINK_ARCH_SPEC LINK_ARCH32_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
+
/* This defines which switch letters take arguments.
It is as in svr4.h but with -R added. */
#undef SWITCH_TAKES_ARG
/*
* 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>
-#endif
+/* 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 TRANSFER_FROM_TRAMPOLINE \
+#define ENABLE_EXECUTE_STACK \
\
/* #define STACK_PROT_RWX (PROT_READ | PROT_WRITE | PROT_EXEC) */ \
\
\
extern void __enable_execute_stack (void *); \
void \
-__enable_execute_stack (addr) \
- void *addr; \
+__enable_execute_stack (void *addr) \
{ \
+ extern int mprotect(void *, size_t, int); \
if (!need_enable_exec_stack) \
return; \
else { \
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 }
+
+/* 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)
+
+/* Register the Solaris-specific #pragma directives. */
+#define REGISTER_TARGET_PRAGMAS() solaris_register_pragmas ()
+
+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