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author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
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committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/libfuncs.h | |
parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/libfuncs.h')
-rw-r--r-- | gcc-4.9/gcc/libfuncs.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/libfuncs.h b/gcc-4.9/gcc/libfuncs.h new file mode 100644 index 000000000..5cc32b3dd --- /dev/null +++ b/gcc-4.9/gcc/libfuncs.h @@ -0,0 +1,108 @@ +/* Definitions for code generation pass of GNU compiler. + Copyright (C) 2001-2014 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. The op field is logically + an enum optab_d, and the mode fields are logically enum machine_mode. + However, in the absence of forward-declared enums, there's no practical + benefit of pulling in the defining headers. + + We use the same hashtable for normal optabs and conversion optabs. In + the first case mode2 is forced to VOIDmode. */ + +struct GTY(()) libfunc_entry { + int op, 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 */ |