/* Get common system includes and various definitions and declarations based
on autoconf macros.
Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008,
- 2009
+ 2009, 2010, 2011
Free Software Foundation, Inc.
This file is part of GCC.
/* There are an extraordinary number of issues with <ctype.h>.
The last straw is that it varies with the locale. Use libiberty's
replacement instead. */
-#include <safe-ctype.h>
+#include "safe-ctype.h"
#include <sys/types.h>
extern int errno;
#endif
+#ifdef __cplusplus
+# include <cstring>
+#endif
+
/* Some of glibc's string inlines cause warnings. Plus we'd rather
rely on (and therefore test) GCC's string builtins. */
#define __NO_STRING_INLINES
#ifndef O_WRONLY
# define O_WRONLY 1
#endif
+#ifndef O_BINARY
+# define O_BINARY 0
+#endif
/* Some systems define these in, e.g., param.h. We undefine these names
here to avoid the warnings. We prefer to use our definitions since we
#define WCOREFLG 0200
#endif
+#include <signal.h>
+#if !defined (SIGCHLD) && defined (SIGCLD)
+# define SIGCHLD SIGCLD
+#endif
+
+#ifdef HAVE_SYS_MMAN_H
+# include <sys/mman.h>
+#endif
+
+#ifndef MAP_FAILED
+# define MAP_FAILED ((void *)-1)
+#endif
+
+#if !defined (MAP_ANONYMOUS) && defined (MAP_ANON)
+# define MAP_ANONYMOUS MAP_ANON
+#endif
+
+#ifdef HAVE_SYS_RESOURCE_H
+# include <sys/resource.h>
+#endif
+
+#ifdef HAVE_SYS_TIMES_H
+# include <sys/times.h>
+#endif
+
/* The HAVE_DECL_* macros are three-state, undefined, 0 or 1. If they
are defined to 0 then we must provide the relevant declaration
here. These checks will be in the undefined state while configure
extern void *realloc (void *, size_t);
#endif
+#ifdef HAVE_STDINT_H
+#include <stdint.h>
+#endif
+
+#ifdef HAVE_INTTYPES_H
+#include <inttypes.h>
+#endif
+
/* If the system doesn't provide strsignal, we get it defined in
libiberty but no declaration is supplied. */
#if !defined (HAVE_STRSIGNAL) \
# define mkdir(a,b) mkdir(a)
#endif
+#ifndef HAVE_KILL
+# define kill(p,s) raise(s)
+#endif
+
/* Provide a way to print an address via printf. */
#ifndef HOST_PTR_PRINTF
#define HOST_PTR_PRINTF "%p"
# endif
#endif
+#if defined (ENABLE_PLUGIN) && defined (HAVE_DLFCN_H)
+/* If plugin support is enabled, we could use libdl. */
+#include <dlfcn.h>
+#endif
+
/* Get libiberty declarations. */
#include "libiberty.h"
#define HOST_BIT_BUCKET "/dev/null"
#endif
-/* Be conservative and only use enum bitfields with GCC.
- FIXME: provide a complete autoconf test for buggy enum bitfields. */
-
-#if (GCC_VERSION > 2000)
-#define ENUM_BITFIELD(TYPE) __extension__ enum TYPE
-#else
-#define ENUM_BITFIELD(TYPE) unsigned int
-#endif
-
#ifndef offsetof
#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *) 0)->MEMBER)
#endif
#define gcc_assert(EXPR) ((void)(0 && (EXPR)))
#endif
+#ifdef ENABLE_CHECKING
+#define gcc_checking_assert(EXPR) gcc_assert (EXPR)
+#else
+#define gcc_checking_assert(EXPR) ((void)(0 && (EXPR)))
+#endif
+
/* Use gcc_unreachable() to mark unreachable locations (like an
unreachable default case of a switch. Do not use gcc_assert(0). */
#if (GCC_VERSION >= 4005) && !ENABLE_ASSERT_CHECKING
#pragma GCC poison malloc realloc
#endif
+/* The %m format should be used when GCC's main diagnostic functions
+ supporting %m are available, and xstrerror from libiberty
+ otherwise. */
+#undef strerror
+ #pragma GCC poison strerror
+
/* Old target macros that have moved to the target hooks structure. */
#pragma GCC poison ASM_OPEN_PAREN ASM_CLOSE_PAREN \
FUNCTION_PROLOGUE FUNCTION_EPILOGUE \
VECTOR_MODE_SUPPORTED_P TARGET_SUPPORTS_HIDDEN \
FUNCTION_ARG_PARTIAL_NREGS ASM_OUTPUT_DWARF_DTPREL \
ALLOCATE_INITIAL_VALUE LEGITIMIZE_ADDRESS FRAME_POINTER_REQUIRED \
- CAN_ELIMINATE
+ CAN_ELIMINATE TRAMPOLINE_TEMPLATE INITIALIZE_TRAMPOLINE \
+ TRAMPOLINE_ADJUST_ADDRESS STATIC_CHAIN STATIC_CHAIN_INCOMING \
+ RETURN_POPS_ARGS UNITS_PER_SIMD_WORD OVERRIDE_OPTIONS \
+ OPTIMIZATION_OPTIONS CLASS_LIKELY_SPILLED_P \
+ USING_SJLJ_EXCEPTIONS TARGET_UNWIND_INFO \
+ LABEL_ALIGN_MAX_SKIP LOOP_ALIGN_MAX_SKIP \
+ LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP JUMP_ALIGN_MAX_SKIP \
+ CAN_DEBUG_WITHOUT_FP UNLIKELY_EXECUTED_TEXT_SECTION_NAME \
+ HOT_TEXT_SECTION_NAME LEGITIMATE_CONSTANT_P
/* Other obsolete target macros, or macros that used to be in target
headers and were not used, and may be obsolete or may never have
TARGET_ESC TARGET_FF TARGET_NEWLINE TARGET_TAB TARGET_VT \
LINK_LIBGCC_SPECIAL DONT_ACCESS_GBLS_AFTER_EPILOGUE \
TARGET_OPTIONS TARGET_SWITCHES EXTRA_CC_MODES FINALIZE_PIC \
- PREDICATE_CODES SPECIAL_MODE_PREDICATES \
+ PREDICATE_CODES SPECIAL_MODE_PREDICATES UNALIGNED_WORD_ASM_OP \
EXTRA_SECTIONS EXTRA_SECTION_FUNCTIONS READONLY_DATA_SECTION \
TARGET_ASM_EXCEPTION_SECTION TARGET_ASM_EH_FRAME_SECTION \
SMALL_ARG_MAX ASM_OUTPUT_SHARED_BSS ASM_OUTPUT_SHARED_COMMON \
- ASM_OUTPUT_SHARED_LOCAL UNALIGNED_WORD_ASM_OP \
- ASM_MAKE_LABEL_LINKONCE
+ ASM_OUTPUT_SHARED_LOCAL ASM_MAKE_LABEL_LINKONCE \
+ STACK_CHECK_PROBE_INTERVAL STACK_CHECK_PROBE_LOAD \
+ ORDER_REGS_FOR_LOCAL_ALLOC FUNCTION_OUTGOING_VALUE \
+ ASM_DECLARE_CONSTANT_NAME MODIFY_TARGET_NAME SWITCHES_NEED_SPACES \
+ SWITCH_CURTAILS_COMPILATION SWITCH_TAKES_ARG WORD_SWITCH_TAKES_ARG \
+ TARGET_OPTION_TRANSLATE_TABLE HANDLE_PRAGMA_PACK_PUSH_POP \
+ HANDLE_SYSV_PRAGMA HANDLE_PRAGMA_WEAK CONDITIONAL_REGISTER_USAGE \
+ FUNCTION_ARG_BOUNDARY MUST_USE_SJLJ_EXCEPTIONS US_SOFTWARE_GOFAST \
+ USING_SVR4_H SVR4_ASM_SPEC FUNCTION_ARG FUNCTION_ARG_ADVANCE \
+ FUNCTION_INCOMING_ARG IRA_COVER_CLASSES TARGET_VERSION \
+ MACHINE_TYPE TARGET_HAS_TARGETCM ASM_OUTPUT_BSS
/* Hooks that are no longer used. */
#pragma GCC poison LANG_HOOKS_FUNCTION_MARK LANG_HOOKS_FUNCTION_FREE \
LANG_HOOKS_PUSHLEVEL LANG_HOOKS_SET_BLOCK \
LANG_HOOKS_MAYBE_BUILD_CLEANUP LANG_HOOKS_UPDATE_DECL_AFTER_SAVING \
LANG_HOOKS_POPLEVEL LANG_HOOKS_TRUTHVALUE_CONVERSION \
- TARGET_PROMOTE_FUNCTION_ARGS TARGET_PROMOTE_FUNCTION_RETURN
+ TARGET_PROMOTE_FUNCTION_ARGS TARGET_PROMOTE_FUNCTION_RETURN \
+ LANG_HOOKS_MISSING_ARGUMENT LANG_HOOKS_HASH_TYPES \
+ TARGET_HANDLE_OFAST TARGET_OPTION_OPTIMIZATION \
+ TARGET_IRA_COVER_CLASSES
+
+/* Hooks into libgcc2. */
+ #pragma GCC poison LIBGCC2_DOUBLE_TYPE_SIZE LIBGCC2_WORDS_BIG_ENDIAN \
+ LIBGCC2_FLOAT_WORDS_BIG_ENDIAN
/* Miscellaneous macros that are no longer used. */
- #pragma GCC poison USE_MAPPED_LOCATION
+ #pragma GCC poison USE_MAPPED_LOCATION GET_ENVIRONMENT
/* Libiberty macros that are no longer used in GCC. */
#undef ANSI_PROTOTYPES
VA_FIXEDARG VA_CLOSE VA_START
#endif /* IN_GCC */
+/* Front ends should never have to include middle-end headers. Enforce
+ this by poisoning the header double-include protection defines. */
+#ifdef IN_GCC_FRONTEND
+#pragma GCC poison GCC_RTL_H GCC_EXCEPT_H GCC_EXPR_H
+#endif
+
/* Note: not all uses of the `index' token (e.g. variable names and
structure members) have been eliminated. */
#undef bcopy
/* GCC 4.0.x has a bug where it may ICE on this expression,
so does GCC 3.4.x (PR17436). */
#define CONST_CAST2(TOTYPE,FROMTYPE,X) ((__extension__(union {FROMTYPE _q; TOTYPE _nq;})(X))._nq)
+#elif defined(__GNUC__)
+static inline char *
+helper_const_non_const_cast (const char *p)
+{
+ union {
+ const char *const_c;
+ char *c;
+ } val;
+ val.const_c = p;
+ return val.c;
+}
+
+#define CONST_CAST2(TOTYPE,FROMTYPE,X) \
+ ((TOTYPE) helper_const_non_const_cast ((const char *) (FROMTYPE) (X)))
#else
#define CONST_CAST2(TOTYPE,FROMTYPE,X) ((TOTYPE)(FROMTYPE)(X))
#endif
#define VALGRIND_FREELIKE_BLOCK(x,y)
#endif
+/* In LTO -fwhole-program build we still want to keep the debug functions available
+ for debugger. Mark them as used to prevent removal. */
+#if (GCC_VERSION > 4000)
+#define DEBUG_FUNCTION __attribute__ ((__used__))
+#define DEBUG_VARIABLE __attribute__ ((__used__))
+#else
+#define DEBUG_FUNCTION
+#define DEBUG_VARIABLE
+#endif
+
#endif /* ! GCC_SYSTEM_H */
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