5a6df07a01
- Disable addon (finish) due to inline-cmds.exp: up from outer_inline2
assert.
- Fix i386+x86_64 rwatch+awatch before run, regression against 6.8 (BZ
541866).
- Fix crash on stale addrinfo->sectindex (more sensitive due to the PIE
patch).
- Remove false gdb_assert on $sp underflow.
- Workaround ia64 inferior calls clearing SP.
- testsuite: Fix long timeout on arches with failing
gdb.base/interrupt.exp.
- Fix ia64 part of the bt-clone-stop.exp fix.
118 lines
3.4 KiB
Diff
118 lines
3.4 KiB
Diff
There was a regression by:
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Re: [rfc, v3] Fix frame_id_inner comparison false positives
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http://sourceware.org/ml/gdb-patches/2008-08/msg00578.html
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http://sourceware.org/ml/gdb-cvs/2008-08/msg00182.html
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916dde5d38b45a659514e47942ece70aec04cd78
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the part:
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* stack.c (return_command): Directly pop the selected frame.
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Reproducible on:
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hp-diablo-01.rhts.eng.bos.redhat.com
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RHEL5.5-Server-20100216.nightly
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kernel-2.6.18-187.el5.ia64
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Not reproducible on:
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hp-bl860c-03.rhts.eng.bos.redhat.com
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RHEL-4.8
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kernel-2.6.9-89.EL.ia64
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To make ia64-tdep.c compilable +/- this stack.c check-in one must apply:
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Re: [RFC] Remove addr, endaddr, offset from obj_section
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http://sourceware.org/ml/gdb-patches/2008-09/msg00011.html
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http://sourceware.org/ml/gdb-cvs/2008-09/msg00009.html
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99072369ec3c8f94c9a596e5ce30bf1f1c4bf20e
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It is reproducible by:
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gdb.base/call-signal-resume.exp
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although one must first remove the gdb_assert by:
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gdb-infcall-sp-underflow.patch
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Reproducer:
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set confirm no
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set breakpoint pending on
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set height 0
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set width 0
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# testcase from: gdb-6.8-37.el5.src
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file gdb.base/call-signals
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break stop_one
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run
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call gen_signal ()
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bt
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frame 3
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return
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p/x $sp
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break stop_two
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info break
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p/x $pc
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p/x $sp
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bt
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set debug infrun 1
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delete 1
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continue
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bt
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p/x $pc
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echo Bug is reproduced if sp is now 0:\n
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p/x $sp
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kill
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quit
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--- ./gdb/frame.c 2010-02-23 21:35:35.000000000 +0100
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+++ ./gdb/frame.c 2010-02-23 21:46:34.000000000 +0100
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@@ -517,7 +517,7 @@ frame_id_eq (struct frame_id l, struct f
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a stack overflow strategy that cause the handler to be run on a
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different stack. */
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-static int
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+int
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frame_id_inner (struct gdbarch *gdbarch, struct frame_id l, struct frame_id r)
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{
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int inner;
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--- ./gdb/frame.h 2009-09-13 18:28:28.000000000 +0200
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+++ ./gdb/frame.h 2010-02-23 21:46:10.000000000 +0100
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@@ -708,4 +708,7 @@ extern struct frame_info *create_new_fra
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extern int frame_unwinder_is (struct frame_info *fi,
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const struct frame_unwind *unwinder);
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+extern int frame_id_inner (struct gdbarch *gdbarch, struct frame_id l,
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+ struct frame_id r);
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+
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#endif /* !defined (FRAME_H) */
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--- ./gdb/stack.c 2010-02-23 21:35:34.000000000 +0100
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+++ ./gdb/stack.c 2010-02-23 21:44:39.000000000 +0100
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@@ -1967,8 +1967,29 @@ If you continue, the return value that y
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error (_("Not confirmed"));
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}
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- /* Discard the selected frame and all frames inner-to it. */
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- frame_pop (get_selected_frame (NULL));
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+ /* NOTE: cagney/2003-01-18: Is this silly? Rather than pop each
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+ frame in turn, should this code just go straight to the relevant
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+ frame and pop that? */
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+
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+ /* First discard all frames inner-to the selected frame (making the
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+ selected frame current). */
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+ {
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+ struct frame_id selected_id = get_frame_id (get_selected_frame (NULL));
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+ while (!frame_id_eq (selected_id, get_frame_id (get_current_frame ())))
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+ {
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+ struct frame_info *frame = get_current_frame ();
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+ if (frame_id_inner (get_frame_arch (frame), selected_id,
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+ get_frame_id (frame)))
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+ /* Caught in the safety net, oops! We've gone way past the
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+ selected frame. */
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+ error (_("Problem while popping stack frames (corrupt stack?)"));
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+ frame_pop (get_current_frame ());
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+ }
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+ }
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+
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+ /* Second discard the selected frame (which is now also the current
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+ frame). */
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+ frame_pop (get_current_frame ());
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/* Store RETURN_VALUE in the just-returned register set. */
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if (return_value != NULL)
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