2010-07-24 Tobias Burnus <burnus@net-b.de>

[pf3gnuchains/gcc-fork.git] / gcc / system.h

diff --git a/gcc/system.h b/gcc/system.h
index 5c26e62..a8b4fa9 100644 (file)
--- a/gcc/system.h
+++ b/gcc/system.h
@@ -1,7 +1,7 @@
 /* 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
    Free Software Foundation, Inc.
 
 This file is part of GCC.
@@ -414,7 +414,13 @@ extern void *calloc (size_t, size_t);
 extern void *realloc (void *, size_t);
 #endif
 
-#include "gstdint.h"
+#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.  */
@@ -595,6 +601,12 @@ extern void fancy_abort (const char *, int, const char *) ATTRIBUTE_NORETURN;
 #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
@@ -701,7 +713,9 @@ extern void fancy_abort (const char *, int, const char *) ATTRIBUTE_NORETURN;
         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
 
 /* 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
@@ -749,12 +763,14 @@ extern void fancy_abort (const char *, int, const char *) ATTRIBUTE_NORETURN;
         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
 
 /* Hooks that are no longer used.  */
  #pragma GCC poison LANG_HOOKS_FUNCTION_MARK LANG_HOOKS_FUNCTION_FREE  \
@@ -781,6 +797,12 @@ extern void fancy_abort (const char *, int, const char *) ATTRIBUTE_NORETURN;
   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
@@ -814,6 +836,20 @@ extern void fancy_abort (const char *, int, const char *) ATTRIBUTE_NORETURN;
 /* 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
@@ -859,4 +895,14 @@ extern void fancy_abort (const char *, int, const char *) ATTRIBUTE_NORETURN;
 #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 */