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binutils-gdb
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* infrun.c (resume): If following a fork, reread the current 

thread.  Avoid dereferencing a possibly dangling pointer.
This commit is contained in:
Pedro Alves 2008-11-20 13:23:26 +00:00
parent 78bc95e3ba
commit 607cecd2d4
2 changed files with 11 additions and 2 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
2008-11-20 Pedro Alves <pedro@codesourcery.com>
* infrun.c (resume): If following a fork, reread the current
thread. Avoid dereferencing a possibly dangling pointer.
2008-11-19 Doug Evans <dje@google.com>
* inferior.h (proceed_to_finish): Delete, unused.

8
gdb/infrun.c
View File

@ -1053,6 +1053,10 @@ a command like `return' or `jump' to continue execution."));
pending_follow.kind = TARGET_WAITKIND_SPURIOUS;
if (follow_fork ())
should_resume = 0;
/* Following a child fork will change our notion of current
thread. */
tp = inferior_thread ();
break;
case TARGET_WAITKIND_EXECD:
@ -1148,11 +1152,11 @@ a command like `return' or `jump' to continue execution."));
displaced_step_dump_bytes (gdb_stdlog, buf, sizeof (buf));
}
target_resume (resume_ptid, step, sig);
/* Avoid confusing the next resume, if the next stop/resume
happens to apply to another thread. */
tp->stop_signal = TARGET_SIGNAL_0;
target_resume (resume_ptid, step, sig);
}
discard_cleanups (old_cleanups);