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| author | Volker Reichelt <reichelt@gcc.gnu.org> | 2008-03-20 16:37:47 +0000 |
|---|---|---|
| committer | Volker Reichelt <reichelt@gcc.gnu.org> | 2008-03-20 16:37:47 +0000 |
| commit | 7621f5d5fb2a0f99dc1c218778863053844d262d (patch) | |
| tree | db109e002ced660063996b0db54b6059f20aa4f5 | |
| parent | e44013f7fa260c317d604d2499d5e3699e438598 (diff) | |
| download | gcc-7621f5d5fb2a0f99dc1c218778863053844d262d.zip gcc-7621f5d5fb2a0f99dc1c218778863053844d262d.tar.gz gcc-7621f5d5fb2a0f99dc1c218778863053844d262d.tar.bz2 | |
common.opt (Wmudflap): New option.
* common.opt (Wmudflap): New option.
* tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
(mx_register_decls): Likewise.
(mudflap_finish_file): Likewise.
* doc/invoke.texi: Document -Wno-mudflap.
* testsuite/libmudflap.c/pass63-frag.c: New test.
From-SVN: r133385
| -rw-r--r-- | gcc/ChangeLog | 10 | ||||
| -rw-r--r-- | gcc/common.opt | 4 | ||||
| -rw-r--r-- | gcc/doc/invoke.texi | 7 | ||||
| -rw-r--r-- | gcc/tree-mudflap.c | 9 | ||||
| -rw-r--r-- | libmudflap/ChangeLog | 4 | ||||
| -rw-r--r-- | libmudflap/testsuite/libmudflap.c/pass63-frag.c | 6 |
6 files changed, 35 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 67e924a..8007696 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,4 +1,12 @@ -2008-03-20 Kai Tietz <kai.tietz@onevision.com> +2008-03-20 Volker Reichelt <v.reichelt@netcologne.de> + + * common.opt (Wmudflap): New option. + * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap. + (mx_register_decls): Likewise. + (mudflap_finish_file): Likewise. + * doc/invoke.texi: Document -Wno-mudflap. + +2008-03-20 Kai Tietz <kai.tietz@onevision.com> * c-format.c (replace_format_name_to_system_name): New. (cmp_attribs): New. diff --git a/gcc/common.opt b/gcc/common.opt index 74b3255..ae0009c 100644 --- a/gcc/common.opt +++ b/gcc/common.opt @@ -144,6 +144,10 @@ Wmissing-noreturn Common Var(warn_missing_noreturn) Warning Warn about functions which might be candidates for __attribute__((noreturn)) +Wmudflap +Common Var(warn_mudflap) Init(1) Warning +Warn about constructs not instrumented by -fmudflap + Woverflow Common Var(warn_overflow) Init(1) Warning Warn about overflow in arithmetic expressions diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index fc5e8dd..1d45490 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -245,7 +245,7 @@ Objective-C and Objective-C++ Dialects}. -Wlogical-op -Wlong-long @gol -Wmain -Wmissing-braces -Wmissing-field-initializers @gol -Wmissing-format-attribute -Wmissing-include-dirs @gol --Wmissing-noreturn @gol +-Wmissing-noreturn -Wno-mudflap @gol -Wno-multichar -Wnonnull -Wno-overflow @gol -Woverlength-strings -Wpacked -Wpadded @gol -Wparentheses -Wpointer-arith -Wno-pointer-to-int-cast @gol @@ -4052,6 +4052,11 @@ This option is only supported for C and Objective-C@. It is implied by This option is only active when @option{-fstack-protector} is active. It warns about functions that will not be protected against stack smashing. +@item -Wno-mudflap +@opindex Wno-mudflap +Suppress warnings about constructs that cannot be instrumented by +@option{-fmudflap}. + @item -Woverlength-strings @opindex Woverlength-strings @opindex Wno-overlength-strings diff --git a/gcc/tree-mudflap.c b/gcc/tree-mudflap.c index cb0b449..59f4bec 100644 --- a/gcc/tree-mudflap.c +++ b/gcc/tree-mudflap.c @@ -857,7 +857,8 @@ mf_xform_derefs_1 (block_stmt_iterator *iter, tree *tp, break; case ARRAY_RANGE_REF: - warning (0, "mudflap checking not yet implemented for ARRAY_RANGE_REF"); + warning (OPT_Wmudflap, + "mudflap checking not yet implemented for ARRAY_RANGE_REF"); return; case BIT_FIELD_REF: @@ -1043,7 +1044,8 @@ mx_register_decls (tree decl, tree *stmt_list) if (tsi_end_p (initially_stmts)) { if (!DECL_ARTIFICIAL (decl)) - warning (0, "mudflap cannot track %qs in stub function", + warning (OPT_Wmudflap, + "mudflap cannot track %qs in stub function", IDENTIFIER_POINTER (DECL_NAME (decl))); } else @@ -1272,7 +1274,8 @@ mudflap_finish_file (void) if (! COMPLETE_TYPE_P (TREE_TYPE (obj))) { - warning (0, "mudflap cannot track unknown size extern %qs", + warning (OPT_Wmudflap, + "mudflap cannot track unknown size extern %qs", IDENTIFIER_POINTER (DECL_NAME (obj))); continue; } diff --git a/libmudflap/ChangeLog b/libmudflap/ChangeLog index cb1ac1c..178c7d0 100644 --- a/libmudflap/ChangeLog +++ b/libmudflap/ChangeLog @@ -1,3 +1,7 @@ +2008-03-20 Volker Reichelt <v.reichelt@netcologne.de> + + * testsuite/libmudflap.c/pass63-frag.c: New test. + 2008-03-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> * aclocal.m4: Regenerate. diff --git a/libmudflap/testsuite/libmudflap.c/pass63-frag.c b/libmudflap/testsuite/libmudflap.c/pass63-frag.c new file mode 100644 index 0000000..a5ad8f2 --- /dev/null +++ b/libmudflap/testsuite/libmudflap.c/pass63-frag.c @@ -0,0 +1,6 @@ +/* Check -Wno-mudflap flag */ +/* { dg-do compile } */ +/* { dg-options "-fmudflap -Wno-mudflap" } */ + +extern char x[]; +int main() { return x[3]; } /* { dg-bogus "mudflap cannot track" } */ |