Is "image search-paths add" supposed to remove all breakpoints from the
remote server? I don't think it should be doing this.
PathMappingList::Append calls Target::ImageSearchPathsChanged, which calls
Target::SetExecutableModule, which calls Target::ClearModules, which removes
the breakpoints. But SetExecutableModule doesn't restore the breakpoints.
This test I use top-of-tree lldb, built on Ubuntu 12 with a native target.
Packet log edited to remove chaff.
(lldb) log enable gdb-remote packets
(lldb) process launch -s
Process 18766 launched: '/usr2/tedwood/lldb_test/factlin' (x86_64)
(lldb) process status
Process 18766 stopped
* thread #1, name = 'factlin', stop reason = signal SIGSTOP
frame #0: 0x00007ffff7ddb6b0
-> 0x7ffff7ddb6b0: movq %rsp, %rdi
0x7ffff7ddb6b3: callq 0x7ffff7ddf010
0x7ffff7ddb6b8: movq %rax, %r12
0x7ffff7ddb6bb: movl 0x2215ff(%rip), %eax
(lldb) b main
< 15> send packet: $Z0,400586,1#4a
< 6> read packet: $OK#9a
Breakpoint 1: where = factlin`main + 22 at factorial.c:32, address =
0x0000000000400586
(lldb) br l
Current breakpoints:
1: name = 'main', locations = 1, resolved = 1, hit count = 0
1.1: where = factlin`main + 22 at factorial.c:32, address =
0x0000000000400586, resolved, hit count = 0
(lldb) image search-paths add /local /tmp
< 15> send packet: $z0,400586,1#6a
< 6> read packet: $OK#9a
< 15> send packet: $z0,400410,1#5c
< 6> read packet: $OK#9a
(lldb) br l
Current breakpoints:
1: name = 'main', locations = 1
1.1: where = factlin`main + 22 at factorial.c:32, address =
factlin[0x0000000000400586], unresolved, hit count = 0
(lldb) c
< 5> send packet: $c#63
Process 18766 resuming
Factorial of 10 is 3628800
< 7> read packet: $W00#b7
Process 18766 exited with status = 0 (0x00000000)
As you can see, the breakpoint at main was removed on lldb-server, but shows
as active in the breakpoint list. When I continue, the breakpoint isn't hit,
and the target runs to completion.
--
Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a
Linux Foundation Collaborative Project
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