Commit Graph

184 Commits

Author SHA1 Message Date
serge-sans-paille
07bb29d8ff [OptTable] Precompute OptTable prefixes union table through tablegen
This avoid rediscovering this table when reading each options, providing
a sensible 2% speedup when processing and empty file, and a measurable
speedup on typical workloads, see:

This is optional, the legacy, on-the-fly, approach can still be used
through the GenericOptTable class, while the new one is used through
PrecomputedOptTable.

https://llvm-compile-time-tracker.com/compare.php?from=4da6cb3202817ee2897d6b690e4af950459caea4&to=19a492b704e8f5c1dea120b9c0d3859bd78796be&stat=instructions:u

Differential Revision: https://reviews.llvm.org/D140800
2023-01-12 12:08:06 +01:00
serge-sans-paille
984b800a03 Move from llvm::makeArrayRef to ArrayRef deduction guides - last part
This is a follow-up to https://reviews.llvm.org/D140896, split into
several parts as it touches a lot of files.

Differential Revision: https://reviews.llvm.org/D141298
2023-01-10 11:47:43 +01:00
Kazu Hirata
570117b6a5 [lldb] Remove remaining uses of llvm::Optional (NFC)
This patch removes the unused "using" declarations, updates comments,
and removes #include "llvm/ADT/Optional.h".

This is part of an effort to migrate from llvm::Optional to
std::optional:

https://discourse.llvm.org/t/deprecating-llvm-optional-x-hasvalue-getvalue-getvalueor/63716
2023-01-07 14:36:35 -08:00
Kazu Hirata
2fe8327406 [lldb] Use std::optional instead of llvm::Optional (NFC)
This patch replaces (llvm::|)Optional< with std::optional<.  I'll post
a separate patch to clean up the "using" declarations, #include
"llvm/ADT/Optional.h", etc.

This is part of an effort to migrate from llvm::Optional to
std::optional:

https://discourse.llvm.org/t/deprecating-llvm-optional-x-hasvalue-getvalue-getvalueor/63716
2023-01-07 14:18:35 -08:00
Kazu Hirata
f190ce625a [lldb] Add #include <optional> (NFC)
This patch adds #include <optional> to those files containing
llvm::Optional<...> or Optional<...>.

I'll post a separate patch to actually replace llvm::Optional with
std::optional.

This is part of an effort to migrate from llvm::Optional to
std::optional:

https://discourse.llvm.org/t/deprecating-llvm-optional-x-hasvalue-getvalue-getvalueor/63716
2023-01-07 13:43:00 -08:00
serge-sans-paille
d9ab3e82f3 [clang] Use a StringRef instead of a raw char pointer to store builtin and call information
This avoids recomputing string length that is already known at compile time.

It has a slight impact on preprocessing / compile time, see

https://llvm-compile-time-tracker.com/compare.php?from=3f36d2d579d8b0e8824d9dd99bfa79f456858f88&to=e49640c507ddc6615b5e503144301c8e41f8f434&stat=instructions:u

This a recommit of e953ae5bbc and the subsequent fixes caa713559b and 06b90e2e9c.

The above patchset caused some version of GCC to take eons to compile clang/lib/Basic/Targets/AArch64.cpp, as spotted in aa171833ab.
The fix is to make BuiltinInfo tables a compilation unit static variable, instead of a private static variable.

Differential Revision: https://reviews.llvm.org/D139881
2022-12-27 09:55:19 +01:00
Vitaly Buka
aa171833ab Revert "[clang] Use a StringRef instead of a raw char pointer to store builtin and call information"
Revert "Fix lldb option handling since e953ae5bbc (part 2)"
Revert "Fix lldb option handling since e953ae5bbc313fd0cc980ce021d487e5b5199ea4"

GCC build hangs on this bot https://lab.llvm.org/buildbot/#/builders/37/builds/19104
compiling CMakeFiles/obj.clangBasic.dir/Targets/AArch64.cpp.d

The bot uses GNU 11.3.0, but I can reproduce locally with gcc (Debian 12.2.0-3) 12.2.0.

This reverts commit caa713559b.
This reverts commit 06b90e2e9c.
This reverts commit e953ae5bbc.
2022-12-25 23:12:47 -08:00
serge-sans-paille
06b90e2e9c Fix lldb option handling since e953ae5bbc (part 2)
Option tables are no longer null-terminated.

This is a follow-up to https://reviews.llvm.org/D139881
2022-12-24 12:54:14 +01:00
serge-sans-paille
e953ae5bbc [clang] Use a StringRef instead of a raw char pointer to store builtin and call information
This avoids recomputing string length that is already known at compile
time.

It has a slight impact on preprocessing / compile time, see

https://llvm-compile-time-tracker.com/compare.php?from=3f36d2d579d8b0e8824d9dd99bfa79f456858f88&to=e49640c507ddc6615b5e503144301c8e41f8f434&stat=instructions:u

This is a recommit of 719d98dfa8 that into
account a GGC issue (probably
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92181) when dealing with
intiailizer_list and constant expressions.

Workaround this by avoiding initializer list, at the expense of a
temporary plain old array.

Differential Revision: https://reviews.llvm.org/D139881
2022-12-24 10:25:06 +01:00
serge-sans-paille
07d9ab9aa5 Revert "[clang] Use a StringRef instead of a raw char pointer to store builtin and call information"
There are still remaining issues with GCC 12, see for instance

https://lab.llvm.org/buildbot/#/builders/93/builds/12669

This reverts commit 5ce4e92264.
2022-12-23 13:29:21 +01:00
serge-sans-paille
5ce4e92264 [clang] Use a StringRef instead of a raw char pointer to store builtin and call information
This avoids recomputing string length that is already known at compile
time.

It has a slight impact on preprocessing / compile time, see

https://llvm-compile-time-tracker.com/compare.php?from=3f36d2d579d8b0e8824d9dd99bfa79f456858f88&to=e49640c507ddc6615b5e503144301c8e41f8f434&stat=instructions:u

This is a recommit of 719d98dfa8 with a
change to llvm/utils/TableGen/OptParserEmitter.cpp to cope with GCC bug
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108158

Differential Revision: https://reviews.llvm.org/D139881
2022-12-23 12:48:17 +01:00
serge-sans-paille
b7065a31b5 Revert "[clang] Use a StringRef instead of a raw char pointer to store builtin and call information"
Failing builds: https://lab.llvm.org/buildbot#builders/9/builds/19030
This is GCC specific and has been reported upstream: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108158

This reverts commit 719d98dfa8.
2022-12-23 11:36:56 +01:00
serge-sans-paille
719d98dfa8 [clang] Use a StringRef instead of a raw char pointer to store builtin and call information
This avoids recomputing string length that is already known at compile
time.

It has a slight impact on preprocessing / compile time, see

https://llvm-compile-time-tracker.com/compare.php?from=3f36d2d579d8b0e8824d9dd99bfa79f456858f88&to=e49640c507ddc6615b5e503144301c8e41f8f434&stat=instructions:u

Differential Revision: https://reviews.llvm.org/D139881
2022-12-23 10:31:47 +01:00
Muhammad Omair Javaid
58e9cc13e2 Revert "[lldb] Remove redundant .c_str() and .get() calls"
This reverts commit fbaf48be0f.

This has broken all LLDB buildbots:
https://lab.llvm.org/buildbot/#/builders/68/builds/44990
https://lab.llvm.org/buildbot/#/builders/96/builds/33160
2022-12-19 13:52:10 +05:00
Fangrui Song
fbaf48be0f [lldb] Remove redundant .c_str() and .get() calls
Removing .c_str() has a semantics difference, but the use scenarios
likely do not matter as we don't have NUL in the strings.
2022-12-18 01:15:25 +00:00
Fangrui Song
1da3a795fc JSON: llvm::Optional => std::optional
Many files are from language servers.

https://discourse.llvm.org/t/deprecating-llvm-optional-x-hasvalue-getvalue-getvalueor/63716
2022-12-16 07:56:52 +00:00
serge-sans-paille
6a35815c73 Store OptTable::Info::Name as a StringRef
This is a recommit of 8ae18303f9,
with a few cleanups.

This avoids implicit conversion to StringRef at several points, which in
turns avoid redundant calls to strlen.

As a side effect, this greatly simplifies the implementation of
StrCmpOptionNameIgnoreCase.

It also eventually gives a consistent, humble speedup in compilation
time (timing updated since original commit).

https://llvm-compile-time-tracker.com/compare.php?from=de4b6a1bc64db33643f001ad45fae7b92b4a4688&to=c23a93d1292052b4be2fbe8c586fa31143d0c7ed&stat=instructions:u

Differential Revision: https://reviews.llvm.org/D139274
2022-12-08 10:28:56 +01:00
Kazu Hirata
343523d040 [lldb] Use std::nullopt instead of None (NFC)
This patch mechanically replaces None with std::nullopt where the
compiler would warn if None were deprecated.  The intent is to reduce
the amount of manual work required in migrating from Optional to
std::optional.

This is part of an effort to migrate from llvm::Optional to
std::optional:

https://discourse.llvm.org/t/deprecating-llvm-optional-x-hasvalue-getvalue-getvalueor/63716
2022-12-04 16:51:25 -08:00
Pavel Labath
14aace34c3 Revert "Add runToBinaryEntry option for lldb-vscode"
This reverts commit f0c16f8912 because it
breaks linux and mac bots.
2022-11-23 13:26:11 +01:00
Jeffrey Tan
f0c16f8912 Add runToBinaryEntry option for lldb-vscode
This patch adds a new runToBinaryEntry option which sets a one-shot breakpoint
at program entry. This option is useful for synchronizing module loading with
dynamic loader to measure debugger startup performance:  when program entry
one-short breakpoint hits most of the dependency modules should have been
loaded so this provides a good sample point for debugger startup time.

More explicitly for lldb-vscode, when this option is enabled, "Initialized" DAP
event is synchronously sent after most dependency modules are loaded.

Differential Revision: https://reviews.llvm.org/D135798
2022-11-22 13:52:45 -08:00
Pavel Labath
22887ff964 Revert "Send statistics in initialized event"
The test is failing on linux.

This reverts commits 7fe3586cda and
d599ac41aa.
2022-11-16 12:20:21 +01:00
George Hu
7fe3586cda Send statistics in initialized event
Differential Revision: https://reviews.llvm.org/D138077
2022-11-15 19:09:05 -08:00
Wanyi Ye
4bc86ae83e [lldb-vscode] Send Selected Statistics Dump in Terminated Event
This patch will gather debug info & breakpoint info from the statistics dump (from `(SBTarget.GetStatistics())` func) and send to DAP in terminated event.

The statistics content can be huge (especially the `modules`) and dumping in full JSON can create delay in the IDE's debugging UI. (For more details, please read: 7bbd0fba98 ). Hence, we will filter out large contents before returning it in terminated event.

It will keep all the metadata fields (those starts with "total"). For large contents, it uses the opt-out strategy. Currently it only removes the "modules" field. This way every time a new top-level field being added, we will be able to capture them from DAP log without changing lldb-vscode.

The DAP terminated event should look like
```
{
  "event":"terminated",
  "seq":0,
  "statistics": {
    "memory": <JSON string>
    "targets": <JSON string>, // it's a JSON array, breakpoints info included in each target
    <metadata_key: value> // pairs
  },
  "type":"event"
}
```

All the info above will be append to statistics field in the terminated event

Test Plan

Debugged a simple hello world program from VSCode. Exit debug session in two ways: 1) run to program exit; 2) user initiated debug session end (quit debugging before program exit).
Check DAP log and see both debug sessions have statistics returned in terminated event.

Here's an example when debugging the test program:

```
{"event":"terminated","seq":0,"statistics":{"memory":"{\"strings\":{\"bytesTotal\":1843200,\"bytesUnused\":897741,\"bytesUsed\":945459}}","targets":"[{\"breakpoints\":[{\"details\":{\"Breakpoint\":{\"BKPTOptions\":{\"AutoContinue\":false,\"ConditionText\":\"\",\"EnabledState\":true,\"IgnoreCount\":0,\"OneShotState\":false},\"BKPTResolver\":{\"Options\":{\"NameMask\":[56],\"Offset\":0,\"SkipPrologue\":true,\"SymbolNames\":[\"foo\"]},\"Type\":\"SymbolName\"},\"Hardware\":false,\"Names\":[\"vscode\"],\"SearchFilter\":{\"Options\":{},\"Type\":\"Unconstrained\"}}},\"id\":1,\"internal\":false,\"numLocations\":1,\"numResolvedLocations\":1,\"resolveTime\":0.002232},{\"details\":{\"Breakpoint\":{\"BKPTOptions\":{\"AutoContinue\":false,\"ConditionText\":\"\",\"EnabledState\":true,\"IgnoreCount\":0,\"OneShotState\":false},\"BKPTResolver\":{\"Options\":{\"Column\":0,\"Exact\":false,\"FileName\":\"/data/users/wanyi/llvm-sand/external/llvm-project/lldb/test/API/tools/lldb-vscode/terminated-event/main.cpp\",\"Inlines\":true,\"LineNumber\":5,\"Offset\":0,\"SkipPrologue\":true},\"Type\":\"FileAndLine\"},\"Hardware\":false,\"Names\":[\"vscode\"],\"SearchFilter\":{\"Options\":{},\"Type\":\"Unconstrained\"}}},\"id\":2,\"internal\":false,\"numLocations\":0,\"numResolvedLocations\":0,\"resolveTime\":0.23203799999999999},{\"details\":{\"Breakpoint\":{\"BKPTOptions\":{\"AutoContinue\":false,\"ConditionText\":\"\",\"EnabledState\":true,\"IgnoreCount\":0,\"OneShotState\":false},\"BKPTResolver\":{\"Options\":{\"Language\":\"c\",\"NameMask\":[4,4,4,4,4,4],\"Offset\":0,\"SkipPrologue\":false,\"SymbolNames\":[\"_dl_debug_state\",\"rtld_db_dlactivity\",\"__dl_rtld_db_dlactivity\",\"r_debug_state\",\"_r_debug_state\",\"_rtld_debug_state\"]},\"Type\":\"SymbolName\"},\"Hardware\":false,\"SearchFilter\":{\"Options\":{\"ModuleList\":[\"/usr/lib64/ld-2.28.so\"]},\"Type\":\"Modules\"}}},\"id\":-1,\"internal\":true,\"kindDescription\":\"shared-library-event\",\"numLocations\":1,\"numResolvedLocations\":1,\"resolveTime\":0.00026699999999999998}],\"expressionEvaluation\":{\"failures\":0,\"successes\":0},\"firstStopTime\":0.087458974999999994,\"frameVariable\":{\"failures\":0,\"successes\":0},\"launchOrAttachTime\":0.052953161999999998,\"moduleIdentifiers\":[94554748126576,94554747837792,94554747149216,139800112130176,139800112161056,139800112206064,139800112340224,139800112509552,139800112236528],\"signals\":[{\"SIGSTOP\":1}],\"sourceMapDeduceCount\":0,\"stopCount\":8,\"targetCreateTime\":0.00057700000000000004,\"totalBreakpointResolveTime\":0.234537}]","totalDebugInfoByteSize":1668056,"totalDebugInfoEnabled":3,"totalDebugInfoIndexLoadedFromCache":0,"totalDebugInfoIndexSavedToCache":0,"totalDebugInfoIndexTime":0.027963000000000002,"totalDebugInfoParseTime":0.34354800000000002,"totalModuleCount":10,"totalModuleCountHasDebugInfo":3,"totalSymbolTableIndexTime":0.056050000000000003,"totalSymbolTableParseTime":0.23930000000000001,"totalSymbolTableStripped":0,"totalSymbolTablesLoadedFromCache":0,"totalSymbolTablesSavedToCache":0},"type":"event"}
```

Differential Revision: https://reviews.llvm.org/D137665
2022-11-15 15:24:36 -08:00
George Hu
03c7cd3a61 Revert "[lldb-vscode] Send Statistics Dump in terminated event"
This reverts commit e3ccbae309.

There is a bug which is failing the test running on mac.
2022-11-04 15:37:18 -07:00
Wanyi Ye
e3ccbae309 [lldb-vscode] Send Statistics Dump in terminated event
This patch will gather debug info & breakpoint info from the statistics dump (from `(SBTarget.GetStatistics())` func) and send to DAP in terminated event.

The statistics content can be huge (especially the `modules`) and dumping in full JSON can create delay in the IDE's debugging UI. (For more details, please read: 7bbd0fba98 ). Hence, we will filter out large contents before returning it in terminated event.

It will keep all the metadata fields (those starts with "total"). For large contents, it uses the opt-out strategy. Currently it only removes the "modules" field. This way every time a new top-level field being added, we will be able to capture them from DAP log without changing lldb-vscode.

The DAP terminated event should look like
```
{
  "event":"terminated",
  "seq":0,
  "statistics": {
    "memory": <JSON string>
    "targets": <JSON string>, // it's a JSON array, breakpoints info included in each target
    <metadata_key: value> // pairs
  },
  "type":"event"
}
```

All the info above will be append to statistics field in the terminated event

Test Plan

Debugged a simple hello world program from VSCode. Exit debug session in two ways: 1) run to program exit; 2) user initiated debug session end (quit debugging before program exit).
Check DAP log and see both debug sessions have statistics returned in terminated event.

Here's an example when debugging the test program:

```
{"event":"terminated","seq":0,"statistics":{"memory":"{\"strings\":{\"bytesTotal\":1843200,\"bytesUnused\":897741,\"bytesUsed\":945459}}","targets":"[{\"breakpoints\":[{\"details\":{\"Breakpoint\":{\"BKPTOptions\":{\"AutoContinue\":false,\"ConditionText\":\"\",\"EnabledState\":true,\"IgnoreCount\":0,\"OneShotState\":false},\"BKPTResolver\":{\"Options\":{\"NameMask\":[56],\"Offset\":0,\"SkipPrologue\":true,\"SymbolNames\":[\"foo\"]},\"Type\":\"SymbolName\"},\"Hardware\":false,\"Names\":[\"vscode\"],\"SearchFilter\":{\"Options\":{},\"Type\":\"Unconstrained\"}}},\"id\":1,\"internal\":false,\"numLocations\":1,\"numResolvedLocations\":1,\"resolveTime\":0.002232},{\"details\":{\"Breakpoint\":{\"BKPTOptions\":{\"AutoContinue\":false,\"ConditionText\":\"\",\"EnabledState\":true,\"IgnoreCount\":0,\"OneShotState\":false},\"BKPTResolver\":{\"Options\":{\"Column\":0,\"Exact\":false,\"FileName\":\"/data/users/wanyi/llvm-sand/external/llvm-project/lldb/test/API/tools/lldb-vscode/terminated-event/main.cpp\",\"Inlines\":true,\"LineNumber\":5,\"Offset\":0,\"SkipPrologue\":true},\"Type\":\"FileAndLine\"},\"Hardware\":false,\"Names\":[\"vscode\"],\"SearchFilter\":{\"Options\":{},\"Type\":\"Unconstrained\"}}},\"id\":2,\"internal\":false,\"numLocations\":0,\"numResolvedLocations\":0,\"resolveTime\":0.23203799999999999},{\"details\":{\"Breakpoint\":{\"BKPTOptions\":{\"AutoContinue\":false,\"ConditionText\":\"\",\"EnabledState\":true,\"IgnoreCount\":0,\"OneShotState\":false},\"BKPTResolver\":{\"Options\":{\"Language\":\"c\",\"NameMask\":[4,4,4,4,4,4],\"Offset\":0,\"SkipPrologue\":false,\"SymbolNames\":[\"_dl_debug_state\",\"rtld_db_dlactivity\",\"__dl_rtld_db_dlactivity\",\"r_debug_state\",\"_r_debug_state\",\"_rtld_debug_state\"]},\"Type\":\"SymbolName\"},\"Hardware\":false,\"SearchFilter\":{\"Options\":{\"ModuleList\":[\"/usr/lib64/ld-2.28.so\"]},\"Type\":\"Modules\"}}},\"id\":-1,\"internal\":true,\"kindDescription\":\"shared-library-event\",\"numLocations\":1,\"numResolvedLocations\":1,\"resolveTime\":0.00026699999999999998}],\"expressionEvaluation\":{\"failures\":0,\"successes\":0},\"firstStopTime\":0.087458974999999994,\"frameVariable\":{\"failures\":0,\"successes\":0},\"launchOrAttachTime\":0.052953161999999998,\"moduleIdentifiers\":[94554748126576,94554747837792,94554747149216,139800112130176,139800112161056,139800112206064,139800112340224,139800112509552,139800112236528],\"signals\":[{\"SIGSTOP\":1}],\"sourceMapDeduceCount\":0,\"stopCount\":8,\"targetCreateTime\":0.00057700000000000004,\"totalBreakpointResolveTime\":0.234537}]","totalDebugInfoByteSize":1668056,"totalDebugInfoEnabled":3,"totalDebugInfoIndexLoadedFromCache":0,"totalDebugInfoIndexSavedToCache":0,"totalDebugInfoIndexTime":0.027963000000000002,"totalDebugInfoParseTime":0.34354800000000002,"totalModuleCount":10,"totalModuleCountHasDebugInfo":3,"totalSymbolTableIndexTime":0.056050000000000003,"totalSymbolTableParseTime":0.23930000000000001,"totalSymbolTableStripped":0,"totalSymbolTablesLoadedFromCache":0,"totalSymbolTablesSavedToCache":0},"type":"event"}
```

Differential Revision: https://reviews.llvm.org/D137003
2022-11-03 18:15:38 -07:00
Jeffrey Tan
6c8995649a Add formatting support for VSCode logpoints message
https://reviews.llvm.org/D127702 adds the initial logpoints support in
lldb-vscode. This patch further improves it by:
1. Adding a newline at the end of each log message
2. Support most of the format specifiers like \t, \n, \x etc..

The implementation is borrowed from FormatEntity::ParseInternal(). Future
patch should merge these two implementations.

Differential Revision: https://reviews.llvm.org/D136697
2022-11-01 08:43:30 -07:00
Jorge Gorbe Moya
7d4d25c42a [lldb-vscode] Don't call SBValue.GetError after generating a summary.
In some occasions, SBValue::GetError can invalidate its cached
`m_summary_str` member. This in turn invalidates any StringRef variables
pointing to it.

Differential Revision: https://reviews.llvm.org/D136890
2022-10-27 15:05:27 -07:00
Wanyi Ye
7bbd0fba98 Revert "[lldb-vscode] Send Statistics Dump in terminated event"
This reverts commit c8a26f8c6d.

Returning full statistics result in "terminated" (DAP) event could result in delay in the UI when debugging from VSCode.

If the program run to exit and debug session terminates. The DAP event order will be: exited event --> terminateCommands --> terminated event --> disconnect request --> disconnect response.

The debugging UI in VSCode corresponds to "disconnect" request/response. If the terminated event is taking long to process, the IDE won't quit debugging UI until it's done.

For big binary (tested example has 29 GB of debug info), it can cause ~15s delay in terminated event itself. And the UI could take ~20s to reflect.

This may cause confusion in debug sessions. We should persuit a more lightweight return or other solution to return such info.
2022-10-26 19:49:03 -07:00
Wanyi Ye
c8a26f8c6d [lldb-vscode] Send Statistics Dump in terminated event
This patch will gather debug info & breakpoint info from the statistics dump and send to DAP in terminated event.

We will return full contents of statistics dump (`SBTarget.GetStatistics()`) as a JSON string. So that every time a new field being added, we will be able to capture them from DAP log without changing lldb-vscode.

All the info above will be append to `statistics` field in the terminated event

Test Plan

Debugged a simple hello world program from VSCode. Exit debug session in two ways: 1) run to program exit; 2) user initiated debug session end (quit debugging before program exit).
Check DAP log and see both debug sessions have statistics returned in terminated event.

Here's an example when debugging the test program:

```
{"event":"terminated","seq":0,"statistics":"{\"memory\":{\"strings\":{\"bytesTotal\":1851392,\"bytesUnused\":905933,\"bytesUsed\":945459}},\"modules\":[{\"debugInfoByteSize\":0,\"debugInfoEnabled\":false,\"debugInfoIndexLoadedFromCache\":false,\"debugInfoIndexSavedToCache\":false,\"debugInfoIndexTime\":0,\"debugInfoParseTime\":0,\"identifier\":93901655961472,\"path\":\"/data/users/wanyi/llvm-sand/build/Debug/fbcode-x86_64/toolchain/lldb-test-build.noindex/tools/lldb-vscode/terminated-event/TestVSCode_terminatedEvent.test_terminated_event/a.out.stripped\",\"symbolTableIndexTime\":0.00067299999999999999,\"symbolTableLoadedFromCache\":false,\"symbolTableParseTime\":0.00054799999999999998,\"symbolTableSavedToCache\":false,\"symbolTableStripped\":false,\"triple\":\"x86_64--linux\",\"uuid\":\"E317E50F\"},{\"debugInfoByteSize\":833593,\"debugInfoEnabled\":true,\"debugInfoIndexLoadedFromCache\":false,\"debugInfoIndexSavedToCache\":false,\"debugInfoIndexTime\":0.012657,\"debugInfoParseTime\":0.32714500000000002,\"identifier\":93901656106336,\"path\":\"/usr/lib64/ld-2.28.so\",\"symbolTableIndexTime\":0.0017719999999999999,\"symbolTableLoadedFromCache\":false,\"symbolTableParseTime\":0.025423000000000001,\"symbolTableSavedToCache\":false,\"symbolTableStripped\":false,\"triple\":\"x86_64--linux\",\"uuid\":\"57D782C6-AF24-135E-6970-7B9D3334B91B-6CD33392\"},{\"debugInfoByteSize\":0,\"debugInfoEnabled\":false,\"debugInfoIndexLoadedFromCache\":false,\"debugInfoIndexSavedToCache\":false,\"debugInfoIndexTime\":0,\"debugInfoParseTime\":0,\"identifier\":93901654578688,\"path\":\"[vdso](0x00007ffff7ffd000)\",\"symbolTableIndexTime\":3.1000000000000001e-05,\"symbolTableLoadedFromCache\":false,\"symbolTableParseTime\":0.00038900000000000002,\"symbolTableSavedToCache\":false,\"symbolTableStripped\":false,\"triple\":\"x86_64-unknown-linux-gnu\",\"uuid\":\"B5AF4022-69CE-E598-5703-F5C62C32322D-D9CF26D1\"},{\"debugInfoByteSize\":1020,\"debugInfoEnabled\":true,\"debugInfoIndexLoadedFromCache\":false,\"debugInfoIndexSavedToCache\":false,\"debugInfoIndexTime\":0.0021559999999999999,\"debugInfoParseTime\":0.00024699999999999999,\"identifier\":140008887806080,\"path\":\"/data/users/wanyi/llvm-sand/build/Debug/fbcode-x86_64/toolchain/lldb-test-build.noindex/tools/lldb-vscode/terminated-event/TestVSCode_terminatedEvent.test_terminated_event/libfoo.so\",\"symbolTableIndexTime\":6.2000000000000003e-05,\"symbolTableLoadedFromCache\":false,\"symbolTableParseTime\":0.00080800000000000002,\"symbolTableSavedToCache\":false,\"symbolTableStripped\":false,\"triple\":\"x86_64--\",\"uuid\":\"109BFB15\"},{\"debugInfoByteSize\":0,\"debugInfoEnabled\":false,\"debugInfoIndexLoadedFromCache\":false,\"debugInfoIndexSavedToCache\":false,\"debugInfoIndexTime\":0,\"debugInfoParseTime\":0,\"identifier\":140008887859888,\"path\":\"/lib64/libdl.so.2\",\"symbolTableIndexTime\":0.000105,\"symbolTableLoadedFromCache\":false,\"symbolTableParseTime\":0.0013470000000000001,\"symbolTableSavedToCache\":false,\"symbolTableStripped\":false,\"triple\":\"x86_64--linux\",\"uuid\":\"776BF255-7FD5-1D1A-CAB0-D1D2D7568263-EC5999B5\"},{\"debugInfoByteSize\":0,\"debugInfoEnabled\":false,\"debugInfoIndexLoadedFromCache\":false,\"debugInfoIndexSavedToCache\":false,\"debugInfoIndexTime\":0,\"debugInfoParseTime\":0,\"identifier\":140008887883408,\"path\":\"/lib64/libstdc++.so.6\",\"symbolTableIndexTime\":0.038710000000000001,\"symbolTableLoadedFromCache\":false,\"symbolTableParseTime\":0.075740000000000002,\"symbolTableSavedToCache\":false,\"symbolTableStripped\":false,\"triple\":\"x86_64--linux\",\"uuid\":\"104D4081-3FC7-4F42-7CD4-AC714B249C02-DA5E62C3\"},{\"debugInfoByteSize\":0,\"debugInfoEnabled\":false,\"debugInfoIndexLoadedFromCache\":false,\"debugInfoIndexSavedToCache\":false,\"debugInfoIndexTime\":0,\"debugInfoParseTime\":0,\"identifier\":140008887951248,\"path\":\"/lib64/libm.so.6\",\"symbolTableIndexTime\":0.003212,\"symbolTableLoadedFromCache\":false,\"symbolTableParseTime\":0.027257,\"symbolTableSavedToCache\":false,\"symbolTableStripped\":false,\"triple\":\"x86_64--linux\",\"uuid\":\"089E6D24-BF02-DE2B-C57E-456118BFDC1D-691B14BB\"},{\"debugInfoByteSize\":0,\"debugInfoEnabled\":false,\"debugInfoIndexLoadedFromCache\":false,\"debugInfoIndexSavedToCache\":false,\"debugInfoIndexTime\":0,\"debugInfoParseTime\":0,\"identifier\":140008888170224,\"path\":\"/lib64/libgcc_s.so.1\",\"symbolTableIndexTime\":0.000357,\"symbolTableLoadedFromCache\":false,\"symbolTableParseTime\":0.0040460000000000001,\"symbolTableSavedToCache\":false,\"symbolTableStripped\":false,\"triple\":\"x86_64--\",\"uuid\":\"CD2F6200-D8CA-7045-ADDB-17C6C4240AAC-5DE305B1\"},{\"debugInfoByteSize\":0,\"debugInfoEnabled\":false,\"debugInfoIndexLoadedFromCache\":false,\"debugInfoIndexSavedToCache\":false,\"debugInfoIndexTime\":0,\"debugInfoParseTime\":0,\"identifier\":140008887911072,\"path\":\"/lib64/libc.so.6\",\"symbolTableIndexTime\":0.0070210000000000003,\"symbolTableLoadedFromCache\":false,\"symbolTableParseTime\":0.072236999999999996,\"symbolTableSavedToCache\":false,\"symbolTableStripped\":false,\"triple\":\"x86_64--linux\",\"uuid\":\"F65C85BF-DB90-4B62-3D4F-E2139B4D7C25-CF8C0B58\"},{\"debugInfoByteSize\":833593,\"debugInfoEnabled\":true,\"debugInfoIndexLoadedFromCache\":false,\"debugInfoIndexSavedToCache\":false,\"debugInfoIndexTime\":0.012407,\"debugInfoParseTime\":0.012078999999999999,\"identifier\":140008887927648,\"path\":\"/lib64/ld-linux-x86-64.so.2\",\"symbolTableIndexTime\":0.001758,\"symbolTableLoadedFromCache\":false,\"symbolTableParseTime\":0.022352,\"symbolTableSavedToCache\":false,\"symbolTableStripped\":false,\"triple\":\"x86_64--linux\",\"uuid\":\"57D782C6-AF24-135E-6970-7B9D3334B91B-6CD33392\"}],\"targets\":[{\"breakpoints\":[{\"details\":{\"Breakpoint\":{\"BKPTOptions\":{\"AutoContinue\":false,\"ConditionText\":\"\",\"EnabledState\":true,\"IgnoreCount\":0,\"OneShotState\":false},\"BKPTResolver\":{\"Options\":{\"NameMask\":[56],\"Offset\":0,\"SkipPrologue\":true,\"SymbolNames\":[\"foo\"]},\"Type\":\"SymbolName\"},\"Hardware\":false,\"Names\":[\"vscode\"],\"SearchFilter\":{\"Options\":{},\"Type\":\"Unconstrained\"}}},\"id\":1,\"internal\":false,\"numLocations\":1,\"numResolvedLocations\":1,\"resolveTime\":0.0020110000000000002},{\"details\":{\"Breakpoint\":{\"BKPTOptions\":{\"AutoContinue\":false,\"ConditionText\":\"\",\"EnabledState\":true,\"IgnoreCount\":0,\"OneShotState\":false},\"BKPTResolver\":{\"Options\":{\"Column\":0,\"Exact\":false,\"FileName\":\"/data/users/wanyi/llvm-sand/external/llvm-project/lldb/test/API/tools/lldb-vscode/terminated-event/main.cpp\",\"Inlines\":true,\"LineNumber\":5,\"Offset\":0,\"SkipPrologue\":true},\"Type\":\"FileAndLine\"},\"Hardware\":false,\"Names\":[\"vscode\"],\"SearchFilter\":{\"Options\":{},\"Type\":\"Unconstrained\"}}},\"id\":2,\"internal\":false,\"numLocations\":0,\"numResolvedLocations\":0,\"resolveTime\":0.22744400000000001},{\"details\":{\"Breakpoint\":{\"BKPTOptions\":{\"AutoContinue\":false,\"ConditionText\":\"\",\"EnabledState\":true,\"IgnoreCount\":0,\"OneShotState\":false},\"BKPTResolver\":{\"Options\":{\"Language\":\"c\",\"NameMask\":[4,4,4,4,4,4],\"Offset\":0,\"SkipPrologue\":false,\"SymbolNames\":[\"_dl_debug_state\",\"rtld_db_dlactivity\",\"__dl_rtld_db_dlactivity\",\"r_debug_state\",\"_r_debug_state\",\"_rtld_debug_state\"]},\"Type\":\"SymbolName\"},\"Hardware\":false,\"SearchFilter\":{\"Options\":{\"ModuleList\":[\"/usr/lib64/ld-2.28.so\"]},\"Type\":\"Modules\"}}},\"id\":-1,\"internal\":true,\"kindDescription\":\"shared-library-event\",\"numLocations\":1,\"numResolvedLocations\":1,\"resolveTime\":0.00034600000000000001}],\"expressionEvaluation\":{\"failures\":0,\"successes\":0},\"firstStopTime\":0.157499681,\"frameVariable\":{\"failures\":0,\"successes\":0},\"launchOrAttachTime\":0.117741226,\"moduleIdentifiers\":[93901655961472,93901656106336,93901654578688,140008887806080,140008887859888,140008887883408,140008887951248,140008888170224,140008887911072],\"signals\":[{\"SIGSTOP\":1}],\"sourceMapDeduceCount\":0,\"stopCount\":8,\"targetCreateTime\":0.00064000000000000005,\"totalBreakpointResolveTime\":0.22980100000000003}],\"totalDebugInfoByteSize\":1668206,\"totalDebugInfoEnabled\":3,\"totalDebugInfoIndexLoadedFromCache\":0,\"totalDebugInfoIndexSavedToCache\":0,\"totalDebugInfoIndexTime\":0.027220000000000001,\"totalDebugInfoParseTime\":0.33947100000000002,\"totalModuleCount\":10,\"totalModuleCountHasDebugInfo\":3,\"totalSymbolTableIndexTime\":0.053701000000000006,\"totalSymbolTableParseTime\":0.23014699999999999,\"totalSymbolTableStripped\":0,\"totalSymbolTablesLoadedFromCache\":0,\"totalSymbolTablesSavedToCache\":0}","type":"event"}
```

Differential Revision: https://reviews.llvm.org/D136177
2022-10-25 18:47:29 -07:00
Jeffrey Tan
51effa5781 Fix exception description in lldb-vscode
There is a bug in lldb-vscode that only shows stop reason ("exception") in
stopped event without showing the stop description of thrown exception. This
causes VSCode UI to only show "Paused on Exception" general message in
callstack window UI.

This patch fixes the bug so that VSCode callstack will show the detailed
exceptioni description, like "signal SIGABRT" or "EXC_BAD_ACCESS..." which
aligns with command line lldb experience.

I use C++ exception in testcase because the hardware exception description is
platform dependent and hard to verify.

Differential Revision: https://reviews.llvm.org/D136295
2022-10-25 13:24:22 -07:00
Henrique Bucher
5a52c5c426 Summary: This documentation patch adds information to allow remote users to also use the plugin as it will be invisible to them using the current instructions. It solves issue #58252.
This documentation patch adds information to allow remote users to also use the plugin as it will be invisible to them using the current instructions. It solves issue #58252.

Reviewed By: JDevlieghere

Differential Revision: https://reviews.llvm.org/D135577
2022-10-12 19:29:36 -05:00
Jeffrey Tan
ef25a21726 Prevent lldb-vscode tests from source lldbinit file
lldb-vscode is hard-coded to source .lldbinit file which causes some tests to
fail on my machine.
This patch adds a new option to control this:
1. vscode.py and lldb-vscode tests will not source .lldbinit by default
2. lldb-vscode will source .lldbinit in production if not specified otherwise

Differential Revision: https://reviews.llvm.org/D135620
2022-10-11 15:43:35 -07:00
Greg Clayton
4017d86df9 When there are variable errors, display an error in VS Code's local variables view.
After recent diffs that enable variable errors that stop variables from being correctly displayed when debugging, allow users to see these errors in the LOCALS variables in the VS Code UI. We do this by detecting when no variables are available and when there is an error to be displayed, and we add a single variable named "<error>" whose value is a string error that the user can read. This allows the user to be aware of the reason variables are not available and fix the issue. Previously if someone enabled "-gline-tables-only" or was debugging with DWARF in .o files or with .dwo files and those separate object files were missing or they were out of date, the user would see nothing in the variables view. Communicating these errors to the user is essential to a good debugging experience.

Differential Revision: https://reviews.llvm.org/D134333
2022-09-29 10:55:16 -07:00
Nico Weber
dcb94010eb Revert "When there are variable errors, display an error in VS Code's local variables view."
This reverts commit 15f83ab775.
Doesn't build, see https://reviews.llvm.org/D134333#3822313
2022-09-28 20:07:14 -04:00
Greg Clayton
15f83ab775 When there are variable errors, display an error in VS Code's local variables view.
After recent diffs that enable variable errors that stop variables from being correctly displayed when debugging, allow users to see these errors in the LOCALS variables in the VS Code UI. We do this by detecting when no variables are available and when there is an error to be displayed, and we add a single variable named "<error>" whose value is a string error that the user can read. This allows the user to be aware of the reason variables are not available and fix the issue. Previously if someone enabled "-gline-tables-only" or was debugging with DWARF in .o files or with .dwo files and those separate object files were missing or they were out of date, the user would see nothing in the variables view. Communicating these errors to the user is essential to a good debugging experience.

Differential Revision: https://reviews.llvm.org/D134333
2022-09-28 15:38:02 -07:00
Greg Clayton
ae376feb0b Modify all register values whose byte size matches the address size to be formatter as eFormatAddressInfo.
This allows users to see similar output to what the "register read" command emits in LLDB's command line.

Added a test to verify that the PC has the correct value with contains a pointer followed by the module + function name and the source line info. Something like:

0x0000000100000a64 a.out`main + 132 at main.cpp:17:11

Differential Revision: https://reviews.llvm.org/D129528
2022-08-22 14:48:16 -07:00
Slava Gurevich
5a197772ee [LLDB][NFC] Suppress spurious static inspection warnings
Suppress coverity false positives.
This diff contains comments only, including the hints for Coverity static code inspection
to suppress the warning originating at the next line after the comment.

Differential Revision: https://reviews.llvm.org/D131998
2022-08-17 16:12:42 -07:00
Kazu Hirata
d66cbc565a Don't use Optional::hasValue (NFC) 2022-06-20 20:26:05 -07:00
Jeffrey Tan
5109de2da2 Fix build break introduced by https://reviews.llvm.org/D127702
Fix build break introduced by https://reviews.llvm.org/D127702

Differential Revision: https://reviews.llvm.org/D128234
2022-06-20 17:31:26 -07:00
Jeffrey Tan
8c6e138aa8 Support logpoints in lldb-vscode
This patch implements VSCode DAP logpoints feature (also called tracepoint
in other VS debugger).
This will provide a convenient way for user to do printf style logging
debugging without pausing debuggee.

Differential Revision: https://reviews.llvm.org/D127702
2022-06-20 16:22:12 -07:00
Jeffrey Tan
a1d490319a Fix lldb-vscode frame test failure
Previous patch (https://reviews.llvm.org/D126013) added a new "optimized"
attribute to DAP stack frame this caused some tests, like
lldb-vscode/coreFile/TestVSCode_coreFile.py
to fail because the tests explicitly check for all attributes.

To fix the test failure I decided to remove this attribute.

Differential Revision: https://reviews.llvm.org/D126225
2022-05-23 14:04:37 -07:00
Jeffrey Tan
0fe220a331 Show error message for optimized variables
This fixes an issue that optimized variable error message is not shown to end
users in lldb-vscode.

Differential Revision: https://reviews.llvm.org/D126014
2022-05-23 10:04:58 -07:00
Jeffrey Tan
46c1f77e16 Add [opt] suffix to optimized stack frame in lldb-vscode
To help user identify optimized code This diff adds a "[opt]" suffix to
optimized stack frames in lldb-vscode. This provides consistent experience
as command line lldb.

It also adds a new "optimized" attribute to DAP stack frame object so that
it is easy to identify from telemetry than parsing trailing "[opt]".

Differential Revision: https://reviews.llvm.org/D126013
2022-05-23 10:03:13 -07:00
Walter Erquinigo
be738c9d1c [lldb-vscode] Fix data race in lldb-vscode when running with ThreadSanitizer
This patch fixes https://github.com/llvm/llvm-project/issues/54768. A ProgressEventReporter creates a dedicated thread that keeps checking whether there are new events that need to be sent to IDE as long as m_thread_should_exit is true. When the VSCode instance is destructed, it will set m_thread_should_exit to false, which caused a data race because at the same time its ProgressEventReporter is reading this value to determine whether it should quit. This fix simply uses mutex to ensure they cannot read and write this value at the same time.

Committed on behalf of PRESIDENT810

Reviewed By: clayborg, wallace

Differential Revision: https://reviews.llvm.org/D125073
2022-05-17 09:11:45 -07:00
Greg Clayton
91d5bfdb79 Add "indexedVariables" to variables with lots of children.
Prior to this fix if we have a really large array or collection class, we would end up always creating all of the child variables for an array or collection class. If the number of children was very high this can cause delays when expanding variables. By adding the "indexedVariables" to variables with lots of children, we can keep good performance in the variables view at all times. This patch will add the "indexedVariables" key/value pair to any "Variable" JSON dictionairies when we have an array of synthetic child provider that will create more than 100 children.

We have to be careful to not call "uint32_t SBValue::GetNumChildren()" on any lldb::SBValue that we use because it can cause a class, struct or union to complete the type in order to be able to properly tell us how many children it has and this can be expensive if you have a lot of variables. By default LLDB won't need to complete a type if we have variables that are classes, structs or unions unless the user expands the variable in the variable view. So we try to only get the GetNumChildren() when we have an array, as this is a cheap operation, or a synthetic child provider, most of which are for showing collections that typically fall into this category. We add a variable reference, which indicates that something can be expanded, when the function "bool SBValue::MightHaveChildren()" is true as this call doesn't need to complete the type in order to return true. This way if no one ever expands class variables, we don't need to complete the type.

Differential Revision: https://reviews.llvm.org/D125347
2022-05-11 16:17:57 -07:00
Walter Erquinigo
9bcaf6ddfe [lldb-vscode] Implement stderr/stdout on win32 and redirect lldb log to VSCode
This patch implements stderr/stdout forwarding on windows.
This was previously not implemented in D99974.
I added separate callbacks so the output can be sent to the different channels VSCode provides (OutputType::Stdout, OutputType::Stderr, OutputType::Console).

This patch also passes a log callback handler to SBDebugger::Create to be able to see logging output when it is enabled.

Since the output is now redirect on early startup I removed the calls to SetOutputFileHandle/SetErrorFileHandle, which set them to /dev/null.

I send the output of stderr/stdout/lldb log to OutputType::Console

Reviewed By: wallace

Differential Revision: https://reviews.llvm.org/D123025
2022-04-05 11:54:03 -07:00
Shafik Yaghmour
24f9a2f53d [LLDB] Applying clang-tidy modernize-use-equals-default over LLDB
Applied modernize-use-equals-default clang-tidy check over LLDB.

This check is already present in the lldb/.clang-tidy config.

Differential Revision: https://reviews.llvm.org/D121844
2022-03-31 13:21:49 -07:00
Martin Storsjö
a37cb5ece5 [lldb-vscode] Avoid a -Wunused-but-set-variable warning. NFC.
Differential Revision: https://reviews.llvm.org/D122710
2022-03-31 00:10:05 +03:00
Greg Clayton
63e512100a Fix race condition when launching and attaching.
This is a modified version of a previous patch that was reverted: https://reviews.llvm.org/D119797
This version only waits for the process to stop when using "launchCommands" or "attachCommands"...

...and doesn't play with the async mode when doing normal launch/attach.

We discovered that when using "launchCommands" or "attachCommands" that there was an issue where these commands were not being run synchronously. There were further problems in this case where we would get thread events for the process that was just launched or attached before the IDE was ready, which is after "configurationDone" was sent to lldb-vscode.

This fix introduces the ability to wait for the process to stop after "launchCommands" or "attachCommands" are run to ensure that we have a stopped process point that is ready for the debug session to proceed. We spin up the thread that listens for process events before we start the launch or attach, but we don't want stop events being delivered through the DAP protocol until the "configurationDone" packet is received. We now always ignore the stop event with a stop ID of 1, which is the first stop. All normal launch and attach scenarios use the synchronous mode, and "launchCommands and "attachCommands" run an array of LLDB commands in async mode.

This should make our launch with "launchCommands" and attach with "attachCommands" avoid a race condition when the process is being launched or attached.

Differential Revision: https://reviews.llvm.org/D120755
2022-03-03 16:20:27 -08:00
Stephane Moore
0ff2905709 [lldb] Hyphenate Objective-C exception breakpoint labels ✍️
Objective-C is officially hyphenated:
https://developer.apple.com/library/archive/documentation/Cocoa/Conceptual/ObjectiveC/Introduction/introObjectiveC.html#//apple_ref/doc/uid/TP30001163

Reviewed By: mwyman, clayborg

Differential Revision: https://reviews.llvm.org/D113616
2022-03-01 15:02:44 -08:00