1/* This file contains the definitions and documentation for the
2 builtins used in the GNU compiler.
3 Copyright (C) 2013-2017 Free Software Foundation, Inc.
4
5This file is part of GCC.
6
7GCC is free software; you can redistribute it and/or modify it under
8the terms of the GNU General Public License as published by the Free
9Software Foundation; either version 3, or (at your option) any later
10version.
11
12GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13WARRANTY; without even the implied warranty of MERCHANTABILITY or
14FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
15for more details.
16
17You should have received a copy of the GNU General Public License
18along with GCC; see the file COPYING3. If not see
19<http://www.gnu.org/licenses/>. */
20
21/* Before including this file, you should define macros:
22
23 DEF_BUILTIN_STUB(ENUM, NAME)
24 DEF_CHKP_BUILTIN(ENUM, NAME, TYPE, ATTRS)
25
26 See builtins.def for details. */
27
28/* Following builtins are used by compiler for Pointer Bounds Checker
29 instrumentation. Currently these generic builtins are not
30 implemented and target has to provide his own version. See
31 builtin_chkp_function target hook documentation for more details. */
32DEF_BUILTIN_STUB (BUILT_IN_CHKP_INTERSECT, "__chkp_intersect")
33DEF_BUILTIN_STUB (BUILT_IN_CHKP_SIZEOF, "__chkp_sizeof")
34DEF_BUILTIN_STUB (BUILT_IN_CHKP_NARROW, "__chkp_narrow")
35DEF_CHKP_BUILTIN (BUILT_IN_CHKP_BNDCL, "__chkp_bndcl", BT_FN_VOID_PTR_BND, ATTR_NOTHROW_LEAF_LIST)
36DEF_CHKP_BUILTIN (BUILT_IN_CHKP_BNDCU, "__chkp_bndcu", BT_FN_VOID_PTR_BND, ATTR_NOTHROW_LEAF_LIST)
37DEF_CHKP_BUILTIN (BUILT_IN_CHKP_BNDSTX, "__chkp_bndstx", BT_FN_VOID_CONST_PTR_BND_CONST_PTR, ATTR_NOTHROW_LEAF_LIST)
38DEF_CHKP_BUILTIN (BUILT_IN_CHKP_BNDLDX, "__chkp_bndldx", BT_FN_CONST_PTR_CONST_PTR_CONST_PTR, ATTR_NOTHROW_LEAF_LIST)
39DEF_CHKP_BUILTIN (BUILT_IN_CHKP_BNDRET, "__chkp_bndret", BT_FN_BND_CONST_PTR, ATTR_CONST_NOTHROW_LEAF_LIST)
40DEF_CHKP_BUILTIN (BUILT_IN_CHKP_BNDMK, "__chkp_bndmk", BT_FN_BND_CONST_PTR_SIZE, ATTR_CONST_NOTHROW_LEAF_LIST)
41DEF_CHKP_BUILTIN (BUILT_IN_CHKP_EXTRACT_LOWER, "__chkp_extract_lower", BT_FN_CONST_PTR_BND, ATTR_CONST_NOTHROW_LEAF_LIST)
42DEF_CHKP_BUILTIN (BUILT_IN_CHKP_EXTRACT_UPPER, "__chkp_extract_upper", BT_FN_CONST_PTR_BND, ATTR_CONST_NOTHROW_LEAF_LIST)
43
44/* Pointer Bounds Checker builtins for users.
45 All builtins calls are expanded in the
46 Pointer Bounds Checker pass. */
47DEF_CHKP_BUILTIN (BUILT_IN_CHKP_SET_PTR_BOUNDS, "__bnd_set_ptr_bounds", BT_FN_PTR_CONST_PTR_SIZE, ATTR_CONST_NOTHROW_LEAF_LIST)
48DEF_CHKP_BUILTIN (BUILT_IN_CHKP_INIT_PTR_BOUNDS, "__bnd_init_ptr_bounds", BT_FN_PTR_CONST_PTR, ATTR_CONST_NOTHROW_LEAF_LIST)
49DEF_CHKP_BUILTIN (BUILT_IN_CHKP_NULL_PTR_BOUNDS, "__bnd_null_ptr_bounds", BT_FN_PTR_CONST_PTR, ATTR_CONST_NOTHROW_LEAF_LIST)
50DEF_CHKP_BUILTIN (BUILT_IN_CHKP_COPY_PTR_BOUNDS, "__bnd_copy_ptr_bounds", BT_FN_PTR_CONST_PTR_CONST_PTR, ATTR_CONST_NOTHROW_LEAF_LIST)
51DEF_CHKP_BUILTIN (BUILT_IN_CHKP_NARROW_PTR_BOUNDS, "__bnd_narrow_ptr_bounds", BT_FN_PTR_CONST_PTR_CONST_PTR_SIZE, ATTR_CONST_NOTHROW_LEAF_LIST)
52DEF_CHKP_BUILTIN (BUILT_IN_CHKP_STORE_PTR_BOUNDS, "__bnd_store_ptr_bounds", BT_FN_VOID_PTRPTR_CONST_PTR, ATTR_NOTHROW_LEAF_LIST)
53DEF_CHKP_BUILTIN (BUILT_IN_CHKP_CHECK_PTR_LBOUNDS, "__bnd_chk_ptr_lbounds", BT_FN_VOID_CONST_PTR, ATTR_NOTHROW_LEAF_LIST)
54DEF_CHKP_BUILTIN (BUILT_IN_CHKP_CHECK_PTR_UBOUNDS, "__bnd_chk_ptr_ubounds", BT_FN_VOID_CONST_PTR, ATTR_NOTHROW_LEAF_LIST)
55DEF_CHKP_BUILTIN (BUILT_IN_CHKP_CHECK_PTR_BOUNDS, "__bnd_chk_ptr_bounds", BT_FN_VOID_CONST_PTR_SIZE, ATTR_NOTHROW_LEAF_LIST)
56DEF_CHKP_BUILTIN (BUILT_IN_CHKP_GET_PTR_LBOUND, "__bnd_get_ptr_lbound", BT_FN_CONST_PTR_CONST_PTR, ATTR_CONST_NOTHROW_LEAF_LIST)
57DEF_CHKP_BUILTIN (BUILT_IN_CHKP_GET_PTR_UBOUND, "__bnd_get_ptr_ubound", BT_FN_CONST_PTR_CONST_PTR, ATTR_CONST_NOTHROW_LEAF_LIST)
58
59/* Pointer Bounds Checker specific versions of string functions. */
60DEF_CHKP_BUILTIN (BUILT_IN_CHKP_MEMCPY_NOBND, "chkp_memcpy_nobnd", BT_FN_PTR_PTR_CONST_PTR_SIZE, ATTR_RET1_NOTHROW_NONNULL_LEAF)
61DEF_CHKP_BUILTIN (BUILT_IN_CHKP_MEMCPY_NOCHK, "chkp_memcpy_nochk", BT_FN_PTR_PTR_CONST_PTR_SIZE, ATTR_RET1_NOTHROW_NONNULL_LEAF)
62DEF_CHKP_BUILTIN (BUILT_IN_CHKP_MEMCPY_NOBND_NOCHK, "chkp_memcpy_nobnd_nochk", BT_FN_PTR_PTR_CONST_PTR_SIZE, ATTR_RET1_NOTHROW_NONNULL_LEAF)
63DEF_CHKP_BUILTIN (BUILT_IN_CHKP_MEMMOVE_NOBND, "chkp_memmove_nobnd", BT_FN_PTR_PTR_CONST_PTR_SIZE, ATTR_RET1_NOTHROW_NONNULL_LEAF)
64DEF_CHKP_BUILTIN (BUILT_IN_CHKP_MEMMOVE_NOCHK, "chkp_memmove_nochk", BT_FN_PTR_PTR_CONST_PTR_SIZE, ATTR_RET1_NOTHROW_NONNULL_LEAF)
65DEF_CHKP_BUILTIN (BUILT_IN_CHKP_MEMMOVE_NOBND_NOCHK, "chkp_memmove_nobnd_nochk", BT_FN_PTR_PTR_CONST_PTR_SIZE, ATTR_RET1_NOTHROW_NONNULL_LEAF)
66DEF_CHKP_BUILTIN (BUILT_IN_CHKP_MEMPCPY_NOBND, "chkp_mempcpy_nobnd", BT_FN_PTR_PTR_CONST_PTR_SIZE, ATTR_NOTHROW_NONNULL_LEAF)
67DEF_CHKP_BUILTIN (BUILT_IN_CHKP_MEMPCPY_NOCHK, "chkp_mempcpy_nochk", BT_FN_PTR_PTR_CONST_PTR_SIZE, ATTR_NOTHROW_NONNULL_LEAF)
68DEF_CHKP_BUILTIN (BUILT_IN_CHKP_MEMPCPY_NOBND_NOCHK, "chkp_mempcpy_nobnd_nochk", BT_FN_PTR_PTR_CONST_PTR_SIZE, ATTR_NOTHROW_NONNULL_LEAF)
69DEF_CHKP_BUILTIN (BUILT_IN_CHKP_MEMSET_NOBND, "chkp_memset_nobnd", BT_FN_PTR_PTR_INT_SIZE, ATTR_RET1_NOTHROW_NONNULL_LEAF)
70DEF_CHKP_BUILTIN (BUILT_IN_CHKP_MEMSET_NOCHK, "chkp_memset_nochk", BT_FN_PTR_PTR_INT_SIZE, ATTR_RET1_NOTHROW_NONNULL_LEAF)
71DEF_CHKP_BUILTIN (BUILT_IN_CHKP_MEMSET_NOBND_NOCHK, "chkp_memset_nobnd_nochk", BT_FN_PTR_PTR_INT_SIZE, ATTR_RET1_NOTHROW_NONNULL_LEAF)
72