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| author | Romain Geissler <romain.geissler@gmail.com> | 2011-12-15 17:26:10 +0000 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2011-12-15 18:26:10 +0100 |
| commit | f3fc9b804a4e552a173e2d4071b2adec33178161 (patch) | |
| tree | b55d26e2a650daf51259ff6f927c4f13e216f931 /gcc/tree-ssa-structalias.c | |
| parent | ee7a54c550753ba90949d1fea472e0586b6cd954 (diff) | |
| download | gcc-f3fc9b804a4e552a173e2d4071b2adec33178161.zip gcc-f3fc9b804a4e552a173e2d4071b2adec33178161.tar.gz gcc-f3fc9b804a4e552a173e2d4071b2adec33178161.tar.bz2 | |
builtins.def (BUILT_IN_STPNCPY_CHK): New definition.
* builtins.def (BUILT_IN_STPNCPY_CHK): New definition.
* builtins.c (expand_builtin, fold_builtin_4, maybe_emit_chk_warning):
Add BUILT_IN_STPNCPY_CHK case.
* gimple-fold.c (gimple_fold_builtin): Likewise.
* tree-object-size.c (pass_through_call): Likewise.
* tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
call_may_clobber_ref_p_1): Likewise.
* tree-ssa-structalias.c (find_func_aliases_for_builtin_call,
find_func_clobbers): Likewise.
* tree.h (fold_builtin_strncpy_chk): Rename to fold_builtin_stxncpy_chk
* builtins.c (fold_builtin_strncpy_chk): Likewise.
Rewrite stpncpy_chk calls to strncpy_chk calls if returned value is
ignored.
* gcc.c-torture/execute/builtins/chk.h (stpncpy, stpncpy_disallowed):
New definitions.
* gcc.c-torture/execute/builtins/lib/chk.c (stpncpy_disallowed):
Likewise.
(stpncpy, __stpncpy_chk): New functions.
* gcc.c-torture/execute/builtins/stpncpy-chk-lib.c: New file.
* gcc.c-torture/execute/builtins/stpncpy-chk.c: Likewise.
From-SVN: r182378
Diffstat (limited to 'gcc/tree-ssa-structalias.c')
| -rw-r--r-- | gcc/tree-ssa-structalias.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/tree-ssa-structalias.c b/gcc/tree-ssa-structalias.c index 08d480a..56ffca5 100644 --- a/gcc/tree-ssa-structalias.c +++ b/gcc/tree-ssa-structalias.c @@ -4022,6 +4022,7 @@ find_func_aliases_for_builtin_call (gimple t) case BUILT_IN_MEMMOVE_CHK: case BUILT_IN_MEMPCPY_CHK: case BUILT_IN_STPCPY_CHK: + case BUILT_IN_STPNCPY_CHK: case BUILT_IN_STRCAT_CHK: case BUILT_IN_STRNCAT_CHK: case BUILT_IN_TM_MEMCPY: @@ -4039,7 +4040,8 @@ find_func_aliases_for_builtin_call (gimple t) || DECL_FUNCTION_CODE (fndecl) == BUILT_IN_STPCPY || DECL_FUNCTION_CODE (fndecl) == BUILT_IN_STPNCPY || DECL_FUNCTION_CODE (fndecl) == BUILT_IN_MEMPCPY_CHK - || DECL_FUNCTION_CODE (fndecl) == BUILT_IN_STPCPY_CHK) + || DECL_FUNCTION_CODE (fndecl) == BUILT_IN_STPCPY_CHK + || DECL_FUNCTION_CODE (fndecl) == BUILT_IN_STPNCPY_CHK) get_constraint_for_ptr_offset (dest, NULL_TREE, &rhsc); else get_constraint_for (dest, &rhsc); @@ -4757,6 +4759,7 @@ find_func_clobbers (gimple origt) case BUILT_IN_MEMMOVE_CHK: case BUILT_IN_MEMPCPY_CHK: case BUILT_IN_STPCPY_CHK: + case BUILT_IN_STPNCPY_CHK: case BUILT_IN_STRCAT_CHK: case BUILT_IN_STRNCAT_CHK: { |