builtin-attrs.def (DEF_ATTR_FOR_INT): Add for 5 and 6.
* 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: r101352
2005-06-27 14:17:39 +02:00
|
|
|
/* Test whether buffer overflow warnings for __*_chk builtins
|
|
|
|
are emitted properly. */
|
|
|
|
/* { dg-do compile } */
|
2016-09-21 03:39:27 +02:00
|
|
|
/* { dg-options "-O2 -Wno-format -std=gnu99 -ftrack-macro-expansion=0" } */
|
2012-05-03 10:48:22 +02:00
|
|
|
/* { dg-additional-options "-mstructure-size-boundary=8" { target arm*-*-* } } */
|
2013-07-26 17:22:43 +02:00
|
|
|
// { dg-skip-if "packed attribute missing for t" { "epiphany-*-*" } { "*" } { "" } }
|
builtin-attrs.def (DEF_ATTR_FOR_INT): Add for 5 and 6.
* 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: r101352
2005-06-27 14:17:39 +02:00
|
|
|
|
|
|
|
extern void abort (void);
|
|
|
|
|
|
|
|
#include "../gcc.c-torture/execute/builtins/chk.h"
|
2016-12-08 01:01:33 +01:00
|
|
|
|
|
|
|
#define va_list __builtin_va_list
|
|
|
|
#define va_start __builtin_va_start
|
|
|
|
#define va_end __builtin_va_end
|
builtin-attrs.def (DEF_ATTR_FOR_INT): Add for 5 and 6.
* 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: r101352
2005-06-27 14:17:39 +02:00
|
|
|
|
|
|
|
volatile void *vx;
|
|
|
|
char buf1[20];
|
|
|
|
int x;
|
|
|
|
|
|
|
|
void
|
|
|
|
test (int arg, ...)
|
|
|
|
{
|
|
|
|
char buf2[20];
|
|
|
|
va_list ap;
|
|
|
|
char *p = &buf1[10], *q;
|
|
|
|
|
|
|
|
memcpy (&buf2[19], "ab", 1);
|
2016-12-08 01:01:33 +01:00
|
|
|
memcpy (&buf2[19], "ab", 2); /* { dg-warning "writing 2 bytes into a region of size 1" "memcpy" } */
|
builtin-attrs.def (DEF_ATTR_FOR_INT): Add for 5 and 6.
* 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: r101352
2005-06-27 14:17:39 +02:00
|
|
|
vx = mempcpy (&buf2[19], "ab", 1);
|
2016-12-08 01:01:33 +01:00
|
|
|
vx = mempcpy (&buf2[19], "ab", 2); /* { dg-warning "writing 2 " "mempcpy" } */
|
builtin-attrs.def (DEF_ATTR_FOR_INT): Add for 5 and 6.
* 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: r101352
2005-06-27 14:17:39 +02:00
|
|
|
memmove (&buf2[18], &buf1[10], 2);
|
2016-12-08 01:01:33 +01:00
|
|
|
memmove (&buf2[18], &buf1[10], 3); /* { dg-warning "writing 3 " "memmove" } */
|
builtin-attrs.def (DEF_ATTR_FOR_INT): Add for 5 and 6.
* 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: r101352
2005-06-27 14:17:39 +02:00
|
|
|
memset (&buf2[16], 'a', 4);
|
2016-12-08 01:01:33 +01:00
|
|
|
memset (&buf2[15], 'b', 6); /* { dg-warning "writing 6 " "memset" } */
|
builtin-attrs.def (DEF_ATTR_FOR_INT): Add for 5 and 6.
* 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: r101352
2005-06-27 14:17:39 +02:00
|
|
|
strcpy (&buf2[18], "a");
|
2016-12-08 01:01:33 +01:00
|
|
|
strcpy (&buf2[18], "ab"); /* { dg-warning "writing 3 " "strcpy" } */
|
builtin-attrs.def (DEF_ATTR_FOR_INT): Add for 5 and 6.
* 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: r101352
2005-06-27 14:17:39 +02:00
|
|
|
vx = stpcpy (&buf2[18], "a");
|
2016-12-08 01:01:33 +01:00
|
|
|
vx = stpcpy (&buf2[18], "ab"); /* { dg-warning "writing 3" "stpcpy" } */
|
builtin-attrs.def (DEF_ATTR_FOR_INT): Add for 5 and 6.
* 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: r101352
2005-06-27 14:17:39 +02:00
|
|
|
strncpy (&buf2[18], "a", 2);
|
2016-12-08 01:01:33 +01:00
|
|
|
strncpy (&buf2[18], "a", 3); /* { dg-warning "specified bound 3 exceeds the size 2 of the destination" "strncpy" } */
|
builtin-attrs.def (DEF_ATTR_FOR_INT): Add for 5 and 6.
* 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: r101352
2005-06-27 14:17:39 +02:00
|
|
|
strncpy (&buf2[18], "abc", 2);
|
2016-12-08 01:01:33 +01:00
|
|
|
strncpy (&buf2[18], "abc", 3); /* { dg-warning "specified bound 3 exceeds the size 2 of the destination" "strncpy" } */
|
builtin-attrs.def (DEF_ATTR_FOR_INT): Add for 5 and 6.
* 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: r101352
2005-06-27 14:17:39 +02:00
|
|
|
memset (buf2, '\0', sizeof (buf2));
|
|
|
|
strcat (&buf2[18], "a");
|
|
|
|
memset (buf2, '\0', sizeof (buf2));
|
2016-12-08 01:01:33 +01:00
|
|
|
strcat (&buf2[18], "ab"); /* { dg-warning "writing 3 " "strcat" } */
|
builtin-attrs.def (DEF_ATTR_FOR_INT): Add for 5 and 6.
* 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: r101352
2005-06-27 14:17:39 +02:00
|
|
|
sprintf (&buf2[18], "%s", buf1);
|
|
|
|
sprintf (&buf2[18], "%s", "a");
|
2016-12-08 01:01:33 +01:00
|
|
|
sprintf (&buf2[18], "%s", "ab"); /* { dg-warning "writing 3 " "sprintf" } */
|
builtin-attrs.def (DEF_ATTR_FOR_INT): Add for 5 and 6.
* 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: r101352
2005-06-27 14:17:39 +02:00
|
|
|
sprintf (&buf2[18], "a");
|
2016-12-08 01:01:33 +01:00
|
|
|
sprintf (&buf2[18], "ab"); /* { dg-warning "writing 3 " "sprintf" } */
|
builtin-attrs.def (DEF_ATTR_FOR_INT): Add for 5 and 6.
* 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: r101352
2005-06-27 14:17:39 +02:00
|
|
|
snprintf (&buf2[18], 2, "%d", x);
|
|
|
|
/* N argument to snprintf is the size of the buffer.
|
|
|
|
Although this particular call wouldn't overflow buf2,
|
|
|
|
incorrect buffer size was passed to it and therefore
|
|
|
|
we want a warning and runtime failure. */
|
2016-12-08 01:01:33 +01:00
|
|
|
snprintf (&buf2[18], 3, "%d", x); /* { dg-warning "specified bound 3 exceeds the size 2 of the destination" "snprintf" } */
|
builtin-attrs.def (DEF_ATTR_FOR_INT): Add for 5 and 6.
* 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: r101352
2005-06-27 14:17:39 +02:00
|
|
|
va_start (ap, arg);
|
|
|
|
vsprintf (&buf2[18], "a", ap);
|
|
|
|
va_end (ap);
|
2016-12-08 01:01:33 +01:00
|
|
|
|
builtin-attrs.def (DEF_ATTR_FOR_INT): Add for 5 and 6.
* 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: r101352
2005-06-27 14:17:39 +02:00
|
|
|
va_start (ap, arg);
|
2016-12-08 01:01:33 +01:00
|
|
|
vsprintf (&buf2[18], "ab", ap); /* { dg-warning "writing 3" "vsprintf" } */
|
builtin-attrs.def (DEF_ATTR_FOR_INT): Add for 5 and 6.
* 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: r101352
2005-06-27 14:17:39 +02:00
|
|
|
va_end (ap);
|
|
|
|
va_start (ap, arg);
|
|
|
|
vsnprintf (&buf2[18], 2, "%s", ap);
|
|
|
|
va_end (ap);
|
|
|
|
va_start (ap, arg);
|
|
|
|
/* See snprintf above. */
|
2016-12-08 01:01:33 +01:00
|
|
|
vsnprintf (&buf2[18], 3, "%s", ap); /* { dg-warning "specified bound 3 exceeds the size 2 of the destination" "vsnprintf" } */
|
builtin-attrs.def (DEF_ATTR_FOR_INT): Add for 5 and 6.
* 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: r101352
2005-06-27 14:17:39 +02:00
|
|
|
va_end (ap);
|
|
|
|
|
|
|
|
p = p + 10;
|
|
|
|
memset (p, 'd', 0);
|
2016-12-08 01:01:33 +01:00
|
|
|
q = strcpy (p, ""); /* { dg-warning "writing 1 " "strcpy" } */
|
builtin-attrs.def (DEF_ATTR_FOR_INT): Add for 5 and 6.
* 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: r101352
2005-06-27 14:17:39 +02:00
|
|
|
|
2016-02-12 00:53:54 +01:00
|
|
|
/* This invokes undefined behavior, since we are past the end of buf1. */
|
builtin-attrs.def (DEF_ATTR_FOR_INT): Add for 5 and 6.
* 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: r101352
2005-06-27 14:17:39 +02:00
|
|
|
p = p + 10;
|
2016-12-08 01:01:33 +01:00
|
|
|
memset (p, 'd', 1); /* { dg-warning "writing 1 " "memset" } */
|
builtin-attrs.def (DEF_ATTR_FOR_INT): Add for 5 and 6.
* 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: r101352
2005-06-27 14:17:39 +02:00
|
|
|
|
|
|
|
memset (q, 'd', 0);
|
2016-12-08 01:01:33 +01:00
|
|
|
memset (q, 'd', 1); /* { dg-warning "writing 1 " "memset" } */
|
builtin-attrs.def (DEF_ATTR_FOR_INT): Add for 5 and 6.
* 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: r101352
2005-06-27 14:17:39 +02:00
|
|
|
q = q - 10;
|
|
|
|
memset (q, 'd', 10);
|
|
|
|
}
|
|
|
|
|
|
|
|
char *str = "ABCDEFG";
|
|
|
|
typedef struct { char b[16]; } H;
|
|
|
|
|
|
|
|
/* Some brown paper bag bugs found in real applications.
|
|
|
|
This test is here merely for amusement. */
|
|
|
|
|
|
|
|
void
|
|
|
|
test2 (const H h)
|
|
|
|
{
|
|
|
|
char c;
|
2016-12-08 01:01:33 +01:00
|
|
|
strncpy (&c, str, 3); /* { dg-warning "specified bound 3 exceeds the size 1 of the destination" "strncpy" } */
|
builtin-attrs.def (DEF_ATTR_FOR_INT): Add for 5 and 6.
* 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: r101352
2005-06-27 14:17:39 +02:00
|
|
|
|
|
|
|
struct { char b[4]; } x;
|
2016-12-08 01:01:33 +01:00
|
|
|
sprintf (x.b, "%s", "ABCD"); /* { dg-warning "writing 5" "sprintf" } */
|
builtin-attrs.def (DEF_ATTR_FOR_INT): Add for 5 and 6.
* 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: r101352
2005-06-27 14:17:39 +02:00
|
|
|
|
|
|
|
unsigned int i;
|
2016-12-08 01:01:33 +01:00
|
|
|
memcpy (&i, &h, sizeof (h)); /* { dg-warning "writing 16 " "memcpy" } */
|
builtin-attrs.def (DEF_ATTR_FOR_INT): Add for 5 and 6.
* 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: r101352
2005-06-27 14:17:39 +02:00
|
|
|
|
|
|
|
unsigned char buf[21];
|
2016-12-08 01:01:33 +01:00
|
|
|
memset (buf + 16, 0, 8); /* { dg-warning "writing 8 " "memset" } */
|
builtin-attrs.def (DEF_ATTR_FOR_INT): Add for 5 and 6.
* 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: r101352
2005-06-27 14:17:39 +02:00
|
|
|
|
2016-12-21 14:50:11 +01:00
|
|
|
typedef struct { __INT32_TYPE__ i, j, k, l; } S;
|
builtin-attrs.def (DEF_ATTR_FOR_INT): Add for 5 and 6.
* 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: r101352
2005-06-27 14:17:39 +02:00
|
|
|
S *s[3];
|
2016-12-08 01:01:33 +01:00
|
|
|
memset (s, 0, sizeof (S) * 3); /* { dg-warning "writing 48 " "memset" } */
|
builtin-attrs.def (DEF_ATTR_FOR_INT): Add for 5 and 6.
* 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: r101352
2005-06-27 14:17:39 +02:00
|
|
|
|
|
|
|
struct T { char a[8]; char b[4]; char c[10]; } t;
|
2016-12-08 01:01:33 +01:00
|
|
|
stpcpy (t.c,"Testing..."); /* { dg-warning "writing" "stpcpy" } */
|
builtin-attrs.def (DEF_ATTR_FOR_INT): Add for 5 and 6.
* 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: r101352
2005-06-27 14:17:39 +02:00
|
|
|
|
|
|
|
char b1[7];
|
|
|
|
char b2[4];
|
|
|
|
memset (b1, 0, sizeof (b1));
|
2016-12-08 01:01:33 +01:00
|
|
|
memset (b2, 0, sizeof (b1)); /* { dg-warning "writing 7" "memset" } */
|
builtin-attrs.def (DEF_ATTR_FOR_INT): Add for 5 and 6.
* 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: r101352
2005-06-27 14:17:39 +02:00
|
|
|
}
|