[Lldb-commits] [lldb] r319472 - Fix this test so that the breakpoints you set are

Pavel Labath via lldb-commits lldb-commits at lists.llvm.org
Mon Dec 4 04:20:54 PST 2017


Gdb has no issues with this use case. I'm pretty sure this is a
problem with how our posix dynamic linker plugin catches these events.
I've asked eugene to look into that.

On 1 December 2017 at 18:58, Jim Ingham <jingham at apple.com> wrote:
> The fact that this passes on macOS likely does mean the general mechanism works but that the Linux library loading hook gets called too late, so you probably can't fix it in lldb.  Be interesting to see if gdb has the same problem.
>
> Jim
>
>> On Dec 1, 2017, at 3:09 AM, Pavel Labath <labath at google.com> wrote:
>>
>> cool. thanks.
>>
>> On 30 November 2017 at 20:43, Jim Ingham via lldb-commits
>> <lldb-commits at lists.llvm.org> wrote:
>>> Author: jingham
>>> Date: Thu Nov 30 12:43:00 2017
>>> New Revision: 319472
>>>
>>> URL: http://llvm.org/viewvc/llvm-project?rev=319472&view=rev
>>> Log:
>>> Fix this test so that the breakpoints you set are
>>> unambiguously on one bit of code.  On macOS these
>>> lines mapped to two distinct locations, and that
>>> was artificially throwing off the test.
>>>
>>> Modified:
>>>    lldb/trunk/packages/Python/lldbsuite/test/functionalities/breakpoint/global_constructor/foo.cpp
>>>    lldb/trunk/packages/Python/lldbsuite/test/functionalities/breakpoint/global_constructor/main.cpp
>>>
>>> Modified: lldb/trunk/packages/Python/lldbsuite/test/functionalities/breakpoint/global_constructor/foo.cpp
>>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/packages/Python/lldbsuite/test/functionalities/breakpoint/global_constructor/foo.cpp?rev=319472&r1=319471&r2=319472&view=diff
>>> ==============================================================================
>>> --- lldb/trunk/packages/Python/lldbsuite/test/functionalities/breakpoint/global_constructor/foo.cpp (original)
>>> +++ lldb/trunk/packages/Python/lldbsuite/test/functionalities/breakpoint/global_constructor/foo.cpp Thu Nov 30 12:43:00 2017
>>> @@ -1,5 +1,7 @@
>>> #include "foo.h"
>>>
>>> -Foo::Foo() : x(42) {} // !BR_foo
>>> +Foo::Foo() : x(42) {
>>> +    bool some_code = x == 42;  // !BR_foo
>>> +}
>>>
>>> Foo FooObj;
>>>
>>> Modified: lldb/trunk/packages/Python/lldbsuite/test/functionalities/breakpoint/global_constructor/main.cpp
>>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/packages/Python/lldbsuite/test/functionalities/breakpoint/global_constructor/main.cpp?rev=319472&r1=319471&r2=319472&view=diff
>>> ==============================================================================
>>> --- lldb/trunk/packages/Python/lldbsuite/test/functionalities/breakpoint/global_constructor/main.cpp (original)
>>> +++ lldb/trunk/packages/Python/lldbsuite/test/functionalities/breakpoint/global_constructor/main.cpp Thu Nov 30 12:43:00 2017
>>> @@ -5,7 +5,9 @@ struct Main {
>>>   int x;
>>> };
>>>
>>> -Main::Main() : x(47) {} // !BR_main
>>> +Main::Main() : x(47) {
>>> +    bool some_code = x == 47; // !BR_main
>>> +}
>>>
>>> Main MainObj;
>>>
>>>
>>>
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>


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