[lldb-dev] break on exceptions/windows
Carlo Kok via lldb-dev
lldb-dev at lists.llvm.org
Mon Apr 4 11:36:12 PDT 2016
Op 2016-04-04 om 20:30 schreef Greg Clayton:
>> On Apr 4, 2016, at 11:24 AM, Zachary Turner <zturner at google.com> wrote:
>> It seems like we already have some precedent for conditional command arguments. For example:
>> (lldb) help platform process list
>> -u <unsigned-integer> ( --uid <unsigned-integer> )
>> [POSIX] Find processes that have a matching user ID.
>> So on Windows this argument doesn't make sense. Could we make an argument that is conditional on the *target* rather than the host? Then, for example, you could have something like this:
>> (lldb) help break set
>> --code <hex-integer> ( --code <hex-integer> )
>> [Windows Target] Break when the exception with code <code> is raised.
>> How to plumb this to the ProcessWindows plugin is an open question, but should be mostly mechanical.
> This is like my suggestion of:
> (lldb) breakpoint set --exception-code 0x40010005
> The code can be passed to the current Platform along with the current target:
> Error Platform::SetExceptionBreakpointWithExceptionCode (lldb_private::Target *target, uint64_t exception_code);
> The process can be extracted from the target when the breakpoint needs to be resolved.
There should be a way then to do a "break on every exception", instead
of just 1 specific code.
and some way for the api to get the payload (which can have a variable
number of parameters)
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