printf-chk-1.c
948 Bytes
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builtin-attrs.def (DEF_ATTR_FOR_INT): Add for 5 and 6. · 10a0d495* builtin-attrs.def (DEF_ATTR_FOR_INT): Add for 5 and 6. (DEF_LIST_INT_INT): Add for 4,0, 4,5, 5,0, 5,6. (ATTR_NOTHROW_NONNULL_4, ATTR_NOTHROW_NONNULL_5): Define. (ATTR_FORMAT_PRINTF_4_0, ATTR_FORMAT_PRINTF_4_5, ATTR_FORMAT_PRINTF_5_0, ATTR_FORMAT_PRINTF_5_6): Define. * builtins.c: Include tree-flow.h. (expand_builtin_mempcpy, expand_builtin_memmove): Comment fixes. (expand_builtin_object_size, expand_builtin_memory_chk, maybe_emit_chk_warning, maybe_emit_sprintf_chk_warning, compute_object_offset, compute_builtin_object_size, fold_builtin_object_size): New functions. (expand_builtin): Handle BUILT_IN_OBJECT_SIZE and BUILT_IN_*_CHK. (fold_builtin_1): Likewise. Handle BUILT_IN_{,V}{,F}PRINTF and BUILT_IN_{,F}PRINTF_UNLOCKED. (fold_builtin_memory_chk, fold_builtin_stxcpy_chk, fold_builtin_strncpy_chk, fold_builtin_strcat_chk, fold_builtin_strncat_chk, fold_builtin_sprintf_chk, fold_builtin_snprintf_chk, fold_builtin_printf, fold_builtin_fprintf): New functions. * builtins.def (BUILT_IN_OBJECT_SIZE, BUILT_IN_MEMCPY_CHK, BUILT_IN_MEMMOVE_CHK, BUILT_IN_MEMPCPY_CHK, BUILT_IN_MEMSET_CHK, BUILT_IN_STPCPY_CHK, BUILT_IN_STRCAT_CHK, BUILT_IN_STRCPY_CHK, BUILT_IN_STRNCAT_CHK, BUILT_IN_STRNCPY_CHK, BUILT_IN_SNPRINTF_CHK, BUILT_IN_SPRINTF_CHK, BUILT_IN_VSNPRINTF_CHK, BUILT_IN_VSPRINTF_CHK, BUILT_IN_FPRINTF_CHK, BUILT_IN_PRINTF_CHK, BUILT_IN_VFPRINTF_CHK, BUILT_IN_VPRINTF_CHK): New builtins. * builtin-types.def (DEF_FUNCTION_TYPE_5, DEF_FUNCTION_TYPE_VAR_4): Document. (BT_FN_SIZE_CONST_PTR_INT, BT_FN_INT_INT_CONST_STRING_VALIST_ARG, BT_FN_PTR_PTR_CONST_PTR_SIZE_SIZE, BT_FN_PTR_PTR_INT_SIZE_SIZE, BT_FN_STRING_STRING_CONST_STRING_SIZE_SIZE, BT_FN_INT_FILEPTR_INT_CONST_STRING_VALIST_ARG, BT_FN_INT_STRING_INT_SIZE_CONST_STRING_VALIST_ARG, BT_FN_INT_STRING_SIZE_INT_SIZE_CONST_STRING_VALIST_ARG, BT_FN_INT_INT_CONST_STRING_VAR, BT_FN_INT_FILEPTR_INT_CONST_STRING_VAR, BT_FN_INT_STRING_INT_SIZE_CONST_STRING_VAR, BT_FN_INT_STRING_SIZE_INT_SIZE_CONST_STRING_VAR): New types. * c-common.c (DEF_FUNCTION_TYPE_5, DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_VAR_4, DEF_FUNCTION_TYPE_VAR_5): Define. * Makefile.in (OBJS-common): Add tree-object-size.o. (tree-object-size.o): Add dependencies. * tree-pass.h (pass_object_sizes): Add. * tree-optimize.c (init_tree_optimization_passes): Add pass_object_sizes. * tree-object-size.c: New file. * tree.h (fold_builtin_memory_chk, fold_builtin_stxcpy_chk, fold_builtin_strncpy_chk, fold_builtin_snprintf_chk, compute_builtin_object_size, init_object_sizes, fini_object_sizes): New prototypes. * tree-ssa-ccp.c (get_strlen): Rename to ... (get_maxval_strlen): ...this function. Handle also computing of maximum string length and maximum integral value. (ccp_fold_builtin): Handle BUILT_IN_*_CHK. Use get_maxval_strlen instead of get_strlen. Pass CALLEE and ARGLIST variables to the folding functions instead of computing them again. (execute_fold_all_builtins): Retry ccp_fold_builtin if a builtin changed into some other builtin. * doc/extend.texi (Object Size Checking): Document. * gcc.c-torture/execute/builtins/lib/main.c (abort): Add prototype. * gcc.c-torture/execute/builtins/lib/strncat.c (strncat): Avoid testing uninitialized var. * gcc.c-torture/execute/builtins/chk.h: New. * gcc.c-torture/execute/builtins/lib/chk.c: New. * gcc.c-torture/execute/builtins/memcpy-chk.c: New test. * gcc.c-torture/execute/builtins/memcpy-chk-lib.c: New. * gcc.c-torture/execute/builtins/memmove-chk.c: New test. * gcc.c-torture/execute/builtins/memmove-chk-lib.c: New. * gcc.c-torture/execute/builtins/mempcpy-chk.c: New test. * gcc.c-torture/execute/builtins/mempcpy-chk-lib.c: New. * gcc.c-torture/execute/builtins/memset-chk.c: New test. * gcc.c-torture/execute/builtins/memset-chk-lib.c: New. * gcc.c-torture/execute/builtins/snprintf-chk.c: New test. * gcc.c-torture/execute/builtins/snprintf-chk-lib.c: New. * gcc.c-torture/execute/builtins/sprintf-chk.c: New test. * gcc.c-torture/execute/builtins/sprintf-chk-lib.c: New. * gcc.c-torture/execute/builtins/stpcpy-chk.c: New test. * gcc.c-torture/execute/builtins/stpcpy-chk-lib.c: New. * gcc.c-torture/execute/builtins/strcat-chk.c: New test. * gcc.c-torture/execute/builtins/strcat-chk-lib.c: New. * gcc.c-torture/execute/builtins/strcpy-chk.c: New test. * gcc.c-torture/execute/builtins/strcpy-chk-lib.c: New. * gcc.c-torture/execute/builtins/strncat-chk.c: New test. * gcc.c-torture/execute/builtins/strncat-chk-lib.c: New. * gcc.c-torture/execute/builtins/strncpy-chk.c: New test. * gcc.c-torture/execute/builtins/strncpy-chk-lib.c: New. * gcc.c-torture/execute/builtins/vsnprintf-chk.c: New test. * gcc.c-torture/execute/builtins/vsnprintf-chk-lib.c: New. * gcc.c-torture/execute/builtins/vsprintf-chk.c: New test. * gcc.c-torture/execute/builtins/vsprintf-chk-lib.c: New. * gcc.dg/builtin-object-size-1.c: New test. * gcc.dg/builtin-object-size-2.c: New test. * gcc.dg/builtin-object-size-3.c: New test. * gcc.dg/builtin-object-size-4.c: New test. * gcc.dg/builtin-object-size-5.c: New test. * gcc.dg/builtin-stringop-chk-1.c: New test. * gcc.dg/builtin-stringop-chk-2.c: New test. * gcc.dg/tree-ssa/builtin-fprintf-1.c: New test. * gcc.dg/tree-ssa/builtin-fprintf-chk-1.c: New test. * gcc.dg/tree-ssa/builtin-printf-1.c: New test. * gcc.dg/tree-ssa/builtin-printf-chk-1.c: New test. * gcc.dg/tree-ssa/builtin-vfprintf-1.c: New test. * gcc.dg/tree-ssa/builtin-vfprintf-chk-1.c: New test. * gcc.dg/tree-ssa/builtin-vprintf-1.c: New test. * gcc.dg/tree-ssa/builtin-vprintf-chk-1.c: New test. * gcc.c-torture/execute/printf-1.c: New test. * gcc.c-torture/execute/fprintf-1.c: New test. * gcc.c-torture/execute/vprintf-1.c: New test. * gcc.c-torture/execute/vfprintf-1.c: New test. * gcc.c-torture/execute/printf-chk-1.c: New test. * gcc.c-torture/execute/fprintf-chk-1.c: New test. * gcc.c-torture/execute/vprintf-chk-1.c: New test. * gcc.c-torture/execute/vfprintf-chk-1.c: New test. From-SVN: r101352Jakub Jelinek committed