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[lldb/Plugins] Add ability to fetch crash information on crashed processes Currently, in macOS, when a process crashes, lldb halts inside the implementation disassembly without yielding any useful information. The only way to get more information is to detach from the process, then wait for ReportCrash to generate a report, find the report, then see what error message was included in it. Instead of waiting for this to happen, lldb could locate the error_string and make it available to the user. This patch addresses this issue by enabling the user to fetch extended crash information for crashed processes using process status --verbose. Depending on the platform, this will try to gather different crash information into an structured data dictionnary. This dictionnary is generic and extensible, as it contains an array for each different type of crash information. On Darwin Platforms, lldb will iterate over each of the target's images, extract their __crash_info section and generated a StructuredData::Array containing, in each entry, the module spec, its UUID, the crash messages and the abort cause. The array will be inserted into the platform's m_extended_crash_info dictionnary and FetchExtendedCrashInformation will return its JSON representation like this: { "crash-info annotations": [ { "abort-cause": 0, "image": "/usr/lib/system/libsystem_malloc.dylib", "message": "main(76483,0x1000cedc0) malloc: *** error for object 0x1003040a0: pointer being freed was not allocated", "message2": "", "uuid": "5747D0C9-900D-3306-8D70-1E2EA4B7E821" }, ... ], ... } This crash information can also be fetched using the SB API or lldb-rpc protocol using SBTarget::GetExtendedCrashInformation(). rdar://37736535 Differential Revision: https://reviews.llvm.org/D74657 Signed-off-by: Med Ismail Bennani <medismail.bennani@gmail.com> | 6 年前 | |
[lldb][tests] Automatically call compute_mydir (NFC) Eliminate boilerplate of having each test manually assign to mydir by calling compute_mydir in lldbtest.py. Differential Revision: https://reviews.llvm.org/D128077 | 3 年前 | |
[lldb/Plugins] Move SBTarget::GetExtendedCrashInformation to SBProcess This patch moves the SB API method GetExtendedCrashInformation from SBTarget to SBProcess since it only makes sense to call this method on a sane process which might not be the case on a SBTarget object. It also addresses some feedbacks received after landing the first patch for the 'crash-info' feature. Differential Revision: https://reviews.llvm.org/D75049 Signed-off-by: Med Ismail Bennani <medismail.bennani@gmail.com> | 6 年前 |
| 文件 | 最后提交记录 | 最后更新时间 |
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| 6 年前 | ||
| 3 年前 | ||
| 6 年前 |