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<base href="https://bugs.llvm.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Odd 'watchpoint set' errors on Android target"
href="https://bugs.llvm.org/show_bug.cgi?id=36538">36538</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Odd 'watchpoint set' errors on Android target
</td>
</tr>
<tr>
<th>Product</th>
<td>lldb
</td>
</tr>
<tr>
<th>Version</th>
<td>6.0
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>All Bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>lldb-dev@lists.llvm.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>dantipov@nvidia.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
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<pre>Created <span class=""><a href="attachment.cgi?id=19967" name="attach_19967" title="Sample program">attachment 19967</a> <a href="attachment.cgi?id=19967&action=edit" title="Sample program">[details]</a></span>
Sample program
$ /home/dantipov/.local/llvm-6.0.0/bin/lldb
(lldb) platform select remote-android
Platform: remote-android
Connected: no
(lldb) platform connect connect://localhost:9999
Platform: remote-android
Triple: aarch64-*-linux-android
OS Version: 24.0.0 (3.10.96+)
Kernel: #1 SMP PREEMPT Mon Feb 13 20:11:02 PST 2017
Hostname: localhost
Connected: yes
WorkingDir: /
(lldb) attach 14797
Process 14797 stopped
* thread #1, name = 't-watchpoint', stop reason = signal SIGSTOP
frame #0: 0x0000002000f3cc44 libc.so`nanosleep + 4
libc.so`nanosleep:
-> 0x2000f3cc44 <+4>: svc #0
0x2000f3cc48 <+8>: cmn x0, #0x1, lsl #12 ; =0x1000
0x2000f3cc4c <+12>: cneg x0, x0, hi
0x2000f3cc50 <+16>: b.hi 0x2000ef644c ; __set_errno_internal
Executable module set to
"/home/dantipov/.lldb/module_cache/remote-android/.cache/CFD513B9-0000-0000-0000-000000000000/t-watchpoint".
Architecture set to: aarch64--linux-android.
(lldb) watchpoint list
Number of supported hardware watchpoints: 4
No watchpoints currently set.
(lldb) watchpoint set variable A
Watchpoint created: Watchpoint 1: addr = 0x2000da3e60 size = 4 state = enabled
type = w
watchpoint spec = 'A'
new value: 7
(lldb) watchpoint set variable B
error: Watchpoint creation failed (addr=0x2000da3e64, size=4, variable
expression='B').
error: sending gdb watchpoint packet failed
(lldb) watchpoint set variable C
Watchpoint created: Watchpoint 3: addr = 0x2000da3e68 size = 4 state = enabled
type = w
watchpoint spec = 'C'
new value: 7
(lldb) watchpoint set variable D
error: Watchpoint creation failed (addr=0x2000da3e6c, size=4, variable
expression='D').
error: sending gdb watchpoint packet failed
(lldb) watchpoint set variable E
Watchpoint created: Watchpoint 5: addr = 0x2000da3e70 size = 4 state = enabled
type = w
watchpoint spec = 'E'
new value: 6
(lldb) watchpoint list
Number of supported hardware watchpoints: 4
Current watchpoints:
Watchpoint 1: addr = 0x2000da3e60 size = 4 state = enabled type = w
watchpoint spec = 'A'
new value: 7
Watchpoint 3: addr = 0x2000da3e68 size = 4 state = enabled type = w
watchpoint spec = 'C'
new value: 7
Watchpoint 5: addr = 0x2000da3e70 size = 4 state = enabled type = w
watchpoint spec = 'E'
new value: 6
Probably I need an advice to provide more information (extra logging?).</pre>
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