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| author | Frank Ch. Eigler <fche@redhat.com> | 2006-11-06 18:02:13 +0000 |
|---|---|---|
| committer | Frank Ch. Eigler <fche@gcc.gnu.org> | 2006-11-06 18:02:13 +0000 |
| commit | a548d7b75391323fb617554e965311a6897dd6ed (patch) | |
| tree | 56b8c0aa4258be292832ad52f6e3be9089c63077 /libmudflap/mf-runtime.c | |
| parent | 8f75f38989e10491c8a5fcf0f7ae855b4763afc2 (diff) | |
| download | gcc-a548d7b75391323fb617554e965311a6897dd6ed.zip gcc-a548d7b75391323fb617554e965311a6897dd6ed.tar.gz gcc-a548d7b75391323fb617554e965311a6897dd6ed.tar.bz2 | |
configure.ac (__libc_freeres): Look for it.
2006-11-06 Frank Ch. Eigler <fche@redhat.com>
* configure.ac (__libc_freeres): Look for it.
* mf-impl.h (call_libc_freeres): New configuration flag.
* mf-runtime.c (__mf_set_default_options): Set it by default.
(__mfu_report): Call it if needed.
(__mfu_unregister): Remove "unaccessed registered object" warning.
* configure, config.h.in: Regenerated.
From-SVN: r118523
Diffstat (limited to 'libmudflap/mf-runtime.c')
| -rw-r--r-- | libmudflap/mf-runtime.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/libmudflap/mf-runtime.c b/libmudflap/mf-runtime.c index 72d1a57..d6e3226 100644 --- a/libmudflap/mf-runtime.c +++ b/libmudflap/mf-runtime.c @@ -1,5 +1,5 @@ /* Mudflap: narrow-pointer bounds-checking by tree rewriting. - Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc. + Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. Contributed by Frank Ch. Eigler <fche@redhat.com> and Graydon Hoare <graydon@redhat.com> Splay Tree code originally by Mark Mitchell <mark@markmitchell.com>, @@ -300,6 +300,9 @@ __mf_set_default_options () __mf_opts.timestamps = 1; __mf_opts.mudflap_mode = mode_check; __mf_opts.violation_mode = viol_nop; +#ifdef HAVE___LIBC_FREERES + __mf_opts.call_libc_freeres = 1; +#endif __mf_opts.heur_std_data = 1; #ifdef LIBMUDFLAPTH __mf_opts.thread_stack = 0; @@ -365,6 +368,11 @@ options [] = {"print-leaks", "print any memory leaks at program shutdown", set_option, 1, &__mf_opts.print_leaks}, +#ifdef HAVE___LIBC_FREERES + {"libc-freeres", + "call glibc __libc_freeres at shutdown for better leak data", + set_option, 1, &__mf_opts.call_libc_freeres}, +#endif {"check-initialization", "detect uninitialized object reads", set_option, 1, &__mf_opts.check_initialization}, @@ -1323,10 +1331,15 @@ __mfu_unregister (void *ptr, size_t sz, int type) (old_obj->type == __MF_TYPE_HEAP || old_obj->type == __MF_TYPE_HEAP_I)) { + /* The problem with a warning message here is that we may not + be privy to accesses to such objects that occur within + uninstrumented libraries. */ +#if 0 fprintf (stderr, "*******\n" "mudflap warning: unaccessed registered object:\n"); __mf_describe_object (old_obj); +#endif } } @@ -1855,6 +1868,14 @@ __mfu_report () /* Free up any remaining alloca()'d blocks. */ __mf_wrap_alloca_indirect (0); +#ifdef HAVE___LIBC_FREERES + if (__mf_opts.call_libc_freeres) + { + extern void __libc_freeres (void); + __libc_freeres (); + } +#endif + __mf_describe_object (NULL); /* Reset description epoch. */ l = __mf_report_leaks (); fprintf (stderr, "number of leaked objects: %u\n", l); |