From: Jakub Jelinek Date: Thu, 10 Jun 2004 08:08:02 +0000 (+0200) Subject: re PR c++/14791 (13070 does not fix -Wformat with fprintf) X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=498c0f2757190a22826576174616ab2403e2f4f6;p=gcc.git re PR c++/14791 (13070 does not fix -Wformat with fprintf) PR c++/14791 * tree.h (enum tree_index): Add TI_FILEPTR_TYPE. (fileptr_type_node): Define. * tree.c (build_common_tree_nodes_2): Initialize fileptr_type_node to ptr_type_node. * c-common.c (c_common_nodes_and_builtins): For C++, make fileptr_type_node a distinct type copy. * builtin-types.def (BT_FILEPTR, BT_FN_INT_CONST_STRING_FILEPTR, BT_FN_INT_INT_FILEPTR, BT_FN_INT_FILEPTR_CONST_STRING_VALIST_ARG, BT_FN_SIZE_CONST_PTR_SIZE_SIZE_FILEPTR, BT_FN_INT_FILEPTR_CONST_STRING_VAR): Add. (BT_FN_INT_CONST_STRING_PTR, BT_FN_INT_INT_PTR, BT_FN_SIZE_CONST_PTR_SIZE_SIZE_PTR, BT_FN_INT_PTR_CONST_STRING_VAR, BT_FN_INT_PTR_CONST_STRING_VALIST_ARG): Remove. * builtins.def (BUILT_IN_FPRINTF, BUILT_IN_FPRINTF_UNLOCKED, BUILT_IN_FPUTC, BUILT_IN_FPUTC_UNLOCKED, BUILT_IN_FPUTS, BUILT_IN_FPUTS_UNLOCKED, BUILT_IN_FSCANF, BUILT_IN_FWRITE, BUILT_IN_FWRITE_UNLOCKED, BUILT_IN_VFPRINTF, BUILT_IN_VFSCANF): Use the above *FILEPTR* types instead of *PTR*. * decl.c (duplicate_decls): Handle fileptr_type_node arguments specially. * g++.dg/opt/builtins1.C: New test. From-SVN: r82902 --- diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 014bce20e3c..f3386bcecb1 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,28 @@ +2004-06-10 Jakub Jelinek + + PR c++/14791 + * tree.h (enum tree_index): Add TI_FILEPTR_TYPE. + (fileptr_type_node): Define. + * tree.c (build_common_tree_nodes_2): Initialize + fileptr_type_node to ptr_type_node. + * c-common.c (c_common_nodes_and_builtins): For C++, make + fileptr_type_node a distinct type copy. + * builtin-types.def (BT_FILEPTR, BT_FN_INT_CONST_STRING_FILEPTR, + BT_FN_INT_INT_FILEPTR, BT_FN_INT_FILEPTR_CONST_STRING_VALIST_ARG, + BT_FN_SIZE_CONST_PTR_SIZE_SIZE_FILEPTR, + BT_FN_INT_FILEPTR_CONST_STRING_VAR): Add. + (BT_FN_INT_CONST_STRING_PTR, BT_FN_INT_INT_PTR, + BT_FN_SIZE_CONST_PTR_SIZE_SIZE_PTR, BT_FN_INT_PTR_CONST_STRING_VAR, + BT_FN_INT_PTR_CONST_STRING_VALIST_ARG): Remove. + * builtins.def (BUILT_IN_FPRINTF, BUILT_IN_FPRINTF_UNLOCKED, + BUILT_IN_FPUTC, BUILT_IN_FPUTC_UNLOCKED, BUILT_IN_FPUTS, + BUILT_IN_FPUTS_UNLOCKED, BUILT_IN_FSCANF, BUILT_IN_FWRITE, + BUILT_IN_FWRITE_UNLOCKED, BUILT_IN_VFPRINTF, BUILT_IN_VFSCANF): Use + the above *FILEPTR* types instead of *PTR*. + + * decl.c (duplicate_decls): Handle fileptr_type_node arguments + specially. + 2004-06-09 Daniel Berlin * tree-ssa.c (verify_ssa): Verify that vdefs/makes_aliased_stores @@ -12,9 +37,9 @@ 2004-06-09 Richard Henderson - PR middle-end/15228 - * function.c (assign_parms): Always set_mem_align with the computed - FUNCTION_ARG_BOUNDARY. Don't clear stack_parm if !STRICT_ALIGNMENT. + PR middle-end/15228 + * function.c (assign_parms): Always set_mem_align with the computed + FUNCTION_ARG_BOUNDARY. Don't clear stack_parm if !STRICT_ALIGNMENT. 2004-06-09 Richard Henderson diff --git a/gcc/builtin-types.def b/gcc/builtin-types.def index a809a477928..7f6fb64f121 100644 --- a/gcc/builtin-types.def +++ b/gcc/builtin-types.def @@ -74,6 +74,7 @@ DEF_PRIMITIVE_TYPE (BT_COMPLEX_DOUBLE, complex_double_type_node) DEF_PRIMITIVE_TYPE (BT_COMPLEX_LONGDOUBLE, complex_long_double_type_node) DEF_PRIMITIVE_TYPE (BT_PTR, ptr_type_node) +DEF_PRIMITIVE_TYPE (BT_FILEPTR, fileptr_type_node) DEF_PRIMITIVE_TYPE (BT_CONST_PTR, const_ptr_type_node) DEF_PRIMITIVE_TYPE (BT_PTRMODE, (*lang_hooks.types.type_for_mode)(ptr_mode, 0)) DEF_PRIMITIVE_TYPE (BT_INT_PTR, integer_ptr_type_node) @@ -163,10 +164,10 @@ DEF_FUNCTION_TYPE_2 (BT_FN_SIZE_CONST_STRING_CONST_STRING, BT_SIZE, BT_CONST_STRING, BT_CONST_STRING) DEF_FUNCTION_TYPE_2 (BT_FN_STRING_CONST_STRING_INT, BT_STRING, BT_CONST_STRING, BT_INT) -DEF_FUNCTION_TYPE_2 (BT_FN_INT_CONST_STRING_PTR, - BT_INT, BT_CONST_STRING, BT_PTR) -DEF_FUNCTION_TYPE_2 (BT_FN_INT_INT_PTR, - BT_INT, BT_INT, BT_PTR) +DEF_FUNCTION_TYPE_2 (BT_FN_INT_CONST_STRING_FILEPTR, + BT_INT, BT_CONST_STRING, BT_FILEPTR) +DEF_FUNCTION_TYPE_2 (BT_FN_INT_INT_FILEPTR, + BT_INT, BT_INT, BT_FILEPTR) DEF_FUNCTION_TYPE_2 (BT_FN_VOID_PTRMODE_PTR, BT_VOID, BT_PTRMODE, BT_PTR) DEF_FUNCTION_TYPE_2 (BT_FN_VOID_VALIST_REF_VALIST_ARG, @@ -249,8 +250,8 @@ DEF_FUNCTION_TYPE_3 (BT_FN_INT_STRING_CONST_STRING_VALIST_ARG, BT_INT, BT_STRING, BT_CONST_STRING, BT_VALIST_ARG) DEF_FUNCTION_TYPE_3 (BT_FN_INT_CONST_STRING_CONST_STRING_VALIST_ARG, BT_INT, BT_CONST_STRING, BT_CONST_STRING, BT_VALIST_ARG) -DEF_FUNCTION_TYPE_3 (BT_FN_INT_PTR_CONST_STRING_VALIST_ARG, - BT_INT, BT_PTR, BT_CONST_STRING, BT_VALIST_ARG) +DEF_FUNCTION_TYPE_3 (BT_FN_INT_FILEPTR_CONST_STRING_VALIST_ARG, + BT_INT, BT_FILEPTR, BT_CONST_STRING, BT_VALIST_ARG) DEF_FUNCTION_TYPE_3 (BT_FN_STRING_CONST_STRING_CONST_STRING_INT, BT_STRING, BT_CONST_STRING, BT_CONST_STRING, BT_INT) DEF_FUNCTION_TYPE_3 (BT_FN_FLOAT_FLOAT_FLOAT_FLOAT, @@ -275,8 +276,8 @@ DEF_FUNCTION_TYPE_3 (BT_FN_VOID_PTR_PTR_PTR, BT_VOID, BT_PTR, BT_PTR, BT_PTR) DEF_FUNCTION_TYPE_3 (BT_FN_INT_CONST_STRING_PTR_CONST_STRING_PTR_CONST_STRING, BT_INT, BT_CONST_STRING, BT_PTR_CONST_STRING, BT_PTR_CONST_STRING) -DEF_FUNCTION_TYPE_4 (BT_FN_SIZE_CONST_PTR_SIZE_SIZE_PTR, - BT_SIZE, BT_CONST_PTR, BT_SIZE, BT_SIZE, BT_PTR) +DEF_FUNCTION_TYPE_4 (BT_FN_SIZE_CONST_PTR_SIZE_SIZE_FILEPTR, + BT_SIZE, BT_CONST_PTR, BT_SIZE, BT_SIZE, BT_FILEPTR) DEF_FUNCTION_TYPE_4 (BT_FN_INT_STRING_SIZE_CONST_STRING_VALIST_ARG, BT_INT, BT_STRING, BT_SIZE, BT_CONST_STRING, BT_VALIST_ARG) DEF_FUNCTION_TYPE_4 (BT_FN_SIZE_STRING_SIZE_CONST_STRING_CONST_PTR, @@ -293,8 +294,8 @@ DEF_FUNCTION_TYPE_VAR_1 (BT_FN_VOID_CONST_PTR_VAR, DEF_FUNCTION_TYPE_VAR_1 (BT_FN_INT_CONST_STRING_VAR, BT_INT, BT_CONST_STRING) -DEF_FUNCTION_TYPE_VAR_2 (BT_FN_INT_PTR_CONST_STRING_VAR, - BT_INT, BT_PTR, BT_CONST_STRING) +DEF_FUNCTION_TYPE_VAR_2 (BT_FN_INT_FILEPTR_CONST_STRING_VAR, + BT_INT, BT_FILEPTR, BT_CONST_STRING) DEF_FUNCTION_TYPE_VAR_2 (BT_FN_INT_STRING_CONST_STRING_VAR, BT_INT, BT_STRING, BT_CONST_STRING) DEF_FUNCTION_TYPE_VAR_2 (BT_FN_INT_CONST_STRING_CONST_STRING_VAR, diff --git a/gcc/builtins.def b/gcc/builtins.def index b70aff9d743..3dd61fa8ae0 100644 --- a/gcc/builtins.def +++ b/gcc/builtins.def @@ -471,15 +471,15 @@ DEF_LIB_BUILTIN (BUILT_IN_STRSPN, "strspn", BT_FN_SIZE_CONST_STRING_CONST DEF_LIB_BUILTIN (BUILT_IN_STRSTR, "strstr", BT_FN_STRING_CONST_STRING_CONST_STRING, ATTR_PURE_NOTHROW_NONNULL_1_2) /* Category: stdio builtins. */ -DEF_LIB_BUILTIN (BUILT_IN_FPRINTF, "fprintf", BT_FN_INT_PTR_CONST_STRING_VAR, ATTR_FORMAT_PRINTF_2_3) -DEF_EXT_LIB_BUILTIN (BUILT_IN_FPRINTF_UNLOCKED, "fprintf_unlocked", BT_FN_INT_PTR_CONST_STRING_VAR, ATTR_FORMAT_PRINTF_2_3) -DEF_LIB_BUILTIN (BUILT_IN_FPUTC, "fputc", BT_FN_INT_INT_PTR, ATTR_NOTHROW_NONNULL_2) -DEF_EXT_LIB_BUILTIN (BUILT_IN_FPUTC_UNLOCKED, "fputc_unlocked", BT_FN_INT_INT_PTR, ATTR_NOTHROW_NONNULL_2) -DEF_LIB_BUILTIN (BUILT_IN_FPUTS, "fputs", BT_FN_INT_CONST_STRING_PTR, ATTR_NOTHROW_NONNULL_1_2) -DEF_EXT_LIB_BUILTIN (BUILT_IN_FPUTS_UNLOCKED, "fputs_unlocked", BT_FN_INT_CONST_STRING_PTR, ATTR_NOTHROW_NONNULL_1_2) -DEF_LIB_BUILTIN (BUILT_IN_FSCANF, "fscanf", BT_FN_INT_PTR_CONST_STRING_VAR, ATTR_FORMAT_SCANF_2_3) -DEF_LIB_BUILTIN (BUILT_IN_FWRITE, "fwrite", BT_FN_SIZE_CONST_PTR_SIZE_SIZE_PTR, ATTR_NOTHROW_NONNULL_1_4) -DEF_EXT_LIB_BUILTIN (BUILT_IN_FWRITE_UNLOCKED, "fwrite_unlocked", BT_FN_SIZE_CONST_PTR_SIZE_SIZE_PTR, ATTR_NOTHROW_NONNULL_1_4) +DEF_LIB_BUILTIN (BUILT_IN_FPRINTF, "fprintf", BT_FN_INT_FILEPTR_CONST_STRING_VAR, ATTR_FORMAT_PRINTF_2_3) +DEF_EXT_LIB_BUILTIN (BUILT_IN_FPRINTF_UNLOCKED, "fprintf_unlocked", BT_FN_INT_FILEPTR_CONST_STRING_VAR, ATTR_FORMAT_PRINTF_2_3) +DEF_LIB_BUILTIN (BUILT_IN_FPUTC, "fputc", BT_FN_INT_INT_FILEPTR, ATTR_NOTHROW_NONNULL_2) +DEF_EXT_LIB_BUILTIN (BUILT_IN_FPUTC_UNLOCKED, "fputc_unlocked", BT_FN_INT_INT_FILEPTR, ATTR_NOTHROW_NONNULL_2) +DEF_LIB_BUILTIN (BUILT_IN_FPUTS, "fputs", BT_FN_INT_CONST_STRING_FILEPTR, ATTR_NOTHROW_NONNULL_1_2) +DEF_EXT_LIB_BUILTIN (BUILT_IN_FPUTS_UNLOCKED, "fputs_unlocked", BT_FN_INT_CONST_STRING_FILEPTR, ATTR_NOTHROW_NONNULL_1_2) +DEF_LIB_BUILTIN (BUILT_IN_FSCANF, "fscanf", BT_FN_INT_FILEPTR_CONST_STRING_VAR, ATTR_FORMAT_SCANF_2_3) +DEF_LIB_BUILTIN (BUILT_IN_FWRITE, "fwrite", BT_FN_SIZE_CONST_PTR_SIZE_SIZE_FILEPTR, ATTR_NOTHROW_NONNULL_1_4) +DEF_EXT_LIB_BUILTIN (BUILT_IN_FWRITE_UNLOCKED, "fwrite_unlocked", BT_FN_SIZE_CONST_PTR_SIZE_SIZE_FILEPTR, ATTR_NOTHROW_NONNULL_1_4) DEF_LIB_BUILTIN (BUILT_IN_PRINTF, "printf", BT_FN_INT_CONST_STRING_VAR, ATTR_FORMAT_PRINTF_1_2) DEF_EXT_LIB_BUILTIN (BUILT_IN_PRINTF_UNLOCKED, "printf_unlocked", BT_FN_INT_CONST_STRING_VAR, ATTR_FORMAT_PRINTF_1_2) DEF_LIB_BUILTIN (BUILT_IN_PUTCHAR, "putchar", BT_FN_INT_INT, ATTR_NOTHROW_LIST) @@ -490,8 +490,8 @@ DEF_LIB_BUILTIN (BUILT_IN_SCANF, "scanf", BT_FN_INT_CONST_STRING_VAR, ATT DEF_C99_BUILTIN (BUILT_IN_SNPRINTF, "snprintf", BT_FN_INT_STRING_SIZE_CONST_STRING_VAR, ATTR_FORMAT_PRINTF_3_4) DEF_LIB_BUILTIN (BUILT_IN_SPRINTF, "sprintf", BT_FN_INT_STRING_CONST_STRING_VAR, ATTR_FORMAT_PRINTF_2_3) DEF_LIB_BUILTIN (BUILT_IN_SSCANF, "sscanf", BT_FN_INT_CONST_STRING_CONST_STRING_VAR, ATTR_FORMAT_SCANF_2_3) -DEF_LIB_BUILTIN (BUILT_IN_VFPRINTF, "vfprintf", BT_FN_INT_PTR_CONST_STRING_VALIST_ARG, ATTR_FORMAT_PRINTF_2_0) -DEF_C99_BUILTIN (BUILT_IN_VFSCANF, "vfscanf", BT_FN_INT_PTR_CONST_STRING_VALIST_ARG, ATTR_FORMAT_SCANF_2_0) +DEF_LIB_BUILTIN (BUILT_IN_VFPRINTF, "vfprintf", BT_FN_INT_FILEPTR_CONST_STRING_VALIST_ARG, ATTR_FORMAT_PRINTF_2_0) +DEF_C99_BUILTIN (BUILT_IN_VFSCANF, "vfscanf", BT_FN_INT_FILEPTR_CONST_STRING_VALIST_ARG, ATTR_FORMAT_SCANF_2_0) DEF_LIB_BUILTIN (BUILT_IN_VPRINTF, "vprintf", BT_FN_INT_CONST_STRING_VALIST_ARG, ATTR_FORMAT_PRINTF_1_0) DEF_C99_BUILTIN (BUILT_IN_VSCANF, "vscanf", BT_FN_INT_CONST_STRING_VALIST_ARG, ATTR_FORMAT_SCANF_1_0) DEF_C99_BUILTIN (BUILT_IN_VSNPRINTF, "vsnprintf", BT_FN_INT_STRING_SIZE_CONST_STRING_VALIST_ARG, ATTR_FORMAT_PRINTF_3_0) diff --git a/gcc/c-common.c b/gcc/c-common.c index 89bc80e9353..01a878348f4 100644 --- a/gcc/c-common.c +++ b/gcc/c-common.c @@ -3297,6 +3297,11 @@ c_common_nodes_and_builtins (void) (build_decl (TYPE_DECL, get_identifier ("complex long double"), complex_long_double_type_node)); + if (c_dialect_cxx ()) + /* For C++, make fileptr_type_node a distinct void * type until + FILE type is defined. */ + fileptr_type_node = build_type_copy (ptr_type_node); + record_builtin_type (RID_VOID, NULL, void_type_node); void_zero_node = build_int_2 (0, 0); diff --git a/gcc/cp/decl.c b/gcc/cp/decl.c index 92f6d140b4b..ad622605280 100644 --- a/gcc/cp/decl.c +++ b/gcc/cp/decl.c @@ -1200,7 +1200,40 @@ duplicate_decls (tree newdecl, tree olddecl) { /* Avoid warnings redeclaring anticipated built-ins. */ if (DECL_ANTICIPATED (olddecl)) - ; /* Do nothing yet. */ + { + /* Deal with fileptr_type_node. FILE type is not known + at the time we create the builtins. */ + tree t1, t2; + + for (t1 = TYPE_ARG_TYPES (TREE_TYPE (newdecl)), + t2 = TYPE_ARG_TYPES (TREE_TYPE (olddecl)); + t1 || t2; + t1 = TREE_CHAIN (t1), t2 = TREE_CHAIN (t2)) + if (!t1 || !t2) + break; + else if (TREE_VALUE (t2) == fileptr_type_node) + { + tree t = TREE_VALUE (t1); + + if (TREE_CODE (t) == POINTER_TYPE + && TYPE_NAME (TREE_TYPE (t)) + && DECL_NAME (TYPE_NAME (TREE_TYPE (t))) + == get_identifier ("FILE") + && compparms (TREE_CHAIN (t1), TREE_CHAIN (t2))) + { + tree oldargs = TYPE_ARG_TYPES (TREE_TYPE (olddecl)); + + TYPE_ARG_TYPES (TREE_TYPE (olddecl)) + = TYPE_ARG_TYPES (TREE_TYPE (newdecl)); + types_match = decls_match (newdecl, olddecl); + if (types_match) + return duplicate_decls (newdecl, olddecl); + TYPE_ARG_TYPES (TREE_TYPE (olddecl)) = oldargs; + } + } + else if (! same_type_p (TREE_VALUE (t1), TREE_VALUE (t2))) + break; + } else if ((DECL_EXTERN_C_P (newdecl) && DECL_EXTERN_C_P (olddecl)) || compparms (TYPE_ARG_TYPES (TREE_TYPE (newdecl)), diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 6c802a847f7..ed2a56c9ec7 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2004-06-10 Jakub Jelinek + + PR c++/14791 + * g++.dg/opt/builtins1.C: New test. + 2004-06-10 Danny Smith * gcc.dg/i386-bitfield1.c: Add mingw32 and cygwin to targets diff --git a/gcc/testsuite/g++.dg/opt/builtins1.C b/gcc/testsuite/g++.dg/opt/builtins1.C new file mode 100644 index 00000000000..8311436b223 --- /dev/null +++ b/gcc/testsuite/g++.dg/opt/builtins1.C @@ -0,0 +1,14 @@ +// PR c++/14791 +// Test if builtins with FILE * arguments work +// { dg-options "-O2 -Wformat" } + +typedef struct _FILE FILE; +FILE *stderr; +extern "C" int printf (__const char *__restrict, ...); +extern "C" int fprintf (FILE *__restrict, __const char *__restrict, ...); + +int main () +{ + printf ("%d\n", 1, 1); // { dg-warning "too many arguments for format" } + fprintf (stderr, "%d\n", 1, 1); // { dg-warning "too many arguments for format" } +} diff --git a/gcc/tree.c b/gcc/tree.c index 045959c5c01..b3301b3c442 100644 --- a/gcc/tree.c +++ b/gcc/tree.c @@ -5355,6 +5355,7 @@ build_common_tree_nodes_2 (int short_double) ptr_type_node = build_pointer_type (void_type_node); const_ptr_type_node = build_pointer_type (build_type_variant (void_type_node, 1, 0)); + fileptr_type_node = ptr_type_node; float_type_node = make_node (REAL_TYPE); TYPE_PRECISION (float_type_node) = FLOAT_TYPE_SIZE; diff --git a/gcc/tree.h b/gcc/tree.h index 8cdcd92aeeb..e867302965e 100644 --- a/gcc/tree.h +++ b/gcc/tree.h @@ -2508,6 +2508,7 @@ enum tree_index TI_PTRDIFF_TYPE, TI_VA_LIST_TYPE, TI_BOOLEAN_TYPE, + TI_FILEPTR_TYPE, TI_VOID_LIST_NODE, @@ -2572,6 +2573,8 @@ extern GTY(()) tree global_trees[TI_MAX]; #define pid_type_node global_trees[TI_PID_TYPE] #define ptrdiff_type_node global_trees[TI_PTRDIFF_TYPE] #define va_list_type_node global_trees[TI_VA_LIST_TYPE] +/* The C type `FILE *'. */ +#define fileptr_type_node global_trees[TI_FILEPTR_TYPE] #define boolean_type_node global_trees[TI_BOOLEAN_TYPE] #define boolean_false_node global_trees[TI_BOOLEAN_FALSE]