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/* Definitions for code generation pass of GNU compiler.
Copyright (C) 2001, 2004, 2007, 2008 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/>. */
#ifndef GCC_LIBFUNCS_H
#define GCC_LIBFUNCS_H
#include "hashtab.h"
/* Enumeration of indexes into libfunc_table. */
enum libfunc_index
{
LTI_abort,
LTI_memcpy,
LTI_memmove,
LTI_memcmp,
LTI_memset,
LTI_setbits,
LTI_setjmp,
LTI_longjmp,
LTI_unwind_sjlj_register,
LTI_unwind_sjlj_unregister,
LTI_profile_function_entry,
LTI_profile_function_exit,
LTI_synchronize,
LTI_gcov_flush,
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 abort_libfunc (libfunc_table[LTI_abort])
#define memcpy_libfunc (libfunc_table[LTI_memcpy])
#define memmove_libfunc (libfunc_table[LTI_memmove])
#define memcmp_libfunc (libfunc_table[LTI_memcmp])
#define memset_libfunc (libfunc_table[LTI_memset])
#define setbits_libfunc (libfunc_table[LTI_setbits])
#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 unwind_sjlj_unregister_libfunc \
(libfunc_table[LTI_unwind_sjlj_unregister])
#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 */
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