/* Definitions for code generation pass of GNU compiler.
- Copyright (C) 2001, 2004, 2007 Free Software Foundation, Inc.
+ Copyright (C) 2001, 2004, 2007, 2008, 2010 Free Software Foundation, Inc.
This file is part of GCC.
#ifndef GCC_LIBFUNCS_H
#define GCC_LIBFUNCS_H
+#include "hashtab.h"
+
/* Enumeration of indexes into libfunc_table. */
enum libfunc_index
{
LTI_memset,
LTI_setbits,
- LTI_unwind_resume,
- LTI_eh_personality,
LTI_setjmp,
LTI_longjmp,
LTI_unwind_sjlj_register,
LTI_profile_function_entry,
LTI_profile_function_exit,
+ LTI_synchronize,
+
LTI_gcov_flush,
LTI_MAX
};
-/* SYMBOL_REF rtx's for the library functions that are called
- implicitly and not via optabs. */
-extern GTY(()) rtx libfunc_table[LTI_MAX];
+/* Information about an optab-related libfunc. We use the same hashtable
+ for normal optabs and conversion optabs. In the first case mode2
+ is unused. */
+struct GTY(()) libfunc_entry {
+ size_t optab;
+ enum machine_mode mode1, mode2;
+ rtx libfunc;
+};
+
+/* Target-dependent globals. */
+struct GTY(()) target_libfuncs {
+ /* SYMBOL_REF rtx's for the library functions that are called
+ implicitly and not via optabs. */
+ rtx x_libfunc_table[LTI_MAX];
+
+ /* Hash table used to convert declarations into nodes. */
+ htab_t GTY((param_is (struct libfunc_entry))) x_libfunc_hash;
+};
+
+extern GTY(()) struct target_libfuncs default_target_libfuncs;
+#if SWITCHABLE_TARGET
+extern struct target_libfuncs *this_target_libfuncs;
+#else
+#define this_target_libfuncs (&default_target_libfuncs)
+#endif
+
+#define libfunc_table \
+ (this_target_libfuncs->x_libfunc_table)
/* Accessor macros for libfunc_table. */
#define memset_libfunc (libfunc_table[LTI_memset])
#define setbits_libfunc (libfunc_table[LTI_setbits])
-#define unwind_resume_libfunc (libfunc_table[LTI_unwind_resume])
-#define eh_personality_libfunc (libfunc_table[LTI_eh_personality])
#define setjmp_libfunc (libfunc_table[LTI_setjmp])
#define longjmp_libfunc (libfunc_table[LTI_longjmp])
#define unwind_sjlj_register_libfunc (libfunc_table[LTI_unwind_sjlj_register])
#define profile_function_entry_libfunc (libfunc_table[LTI_profile_function_entry])
#define profile_function_exit_libfunc (libfunc_table[LTI_profile_function_exit])
+#define synchronize_libfunc (libfunc_table[LTI_synchronize])
+
#define gcov_flush_libfunc (libfunc_table[LTI_gcov_flush])
+/* In explow.c */
+extern void set_stack_check_libfunc (const char *);
+
#endif /* GCC_LIBFUNCS_H */