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@@ -572,9 +572,14 @@ ModuleSP DynamicLoaderPOSIXDYLD::LoadInterpreterModule() {
ModuleSpec module_spec(file, target.GetArchitecture());
if (ModuleSP module_sp = target.GetOrCreateModule(module_spec,
-true /* notify */))
https://github.com/ZequanWu updated
https://github.com/llvm/llvm-project/pull/88792
>From 26528cd679478448edf446e0e82e5f207ffd6113 Mon Sep 17 00:00:00 2001
From: Zequan Wu
Date: Mon, 15 Apr 2024 16:30:38 -0400
Subject: [PATCH 1/5] [lldb][DynamicLoader] Fix lldb unable to stop at
ZequanWu wrote:
> So, could the fix be as simple as passing notify=false in the first call ?
Yeah, absolutely. Updated.
https://github.com/llvm/llvm-project/pull/88792
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https://github.com/llvm/llvm-project/pull/88792
>From 26528cd679478448edf446e0e82e5f207ffd6113 Mon Sep 17 00:00:00 2001
From: Zequan Wu
Date: Mon, 15 Apr 2024 16:30:38 -0400
Subject: [PATCH 1/4] [lldb][DynamicLoader] Fix lldb unable to stop at
ZequanWu wrote:
> Can you check where does the second event get sent from? Is it by any chance
> when we go through
> [this](https://github.com/llvm/llvm-project/blob/main/lldb/source/Plugins/DynamicLoader/POSIX-DYLD/DynamicLoaderPOSIXDYLD.cpp#L460)
> place ?
The first event is sent when
ZequanWu wrote:
> > > why not just call ModulesDidLoad and delegate this (and possibly other
> > > binary-just-loaded) behaviors to it?
> >
> >
> > That's what I did first, but it breaks the test
> > `TestModuleLoadedNotifys.ModuleLoadedNotifysTestCase.test_launch_notifications`
> > because
https://github.com/ZequanWu updated
https://github.com/llvm/llvm-project/pull/88792
>From 26528cd679478448edf446e0e82e5f207ffd6113 Mon Sep 17 00:00:00 2001
From: Zequan Wu
Date: Mon, 15 Apr 2024 16:30:38 -0400
Subject: [PATCH 1/3] [lldb][DynamicLoader] Fix lldb unable to stop at
https://github.com/ZequanWu updated
https://github.com/llvm/llvm-project/pull/88792
>From 26528cd679478448edf446e0e82e5f207ffd6113 Mon Sep 17 00:00:00 2001
From: Zequan Wu
Date: Mon, 15 Apr 2024 16:30:38 -0400
Subject: [PATCH 1/2] [lldb][DynamicLoader] Fix lldb unable to stop at
ZequanWu wrote:
> I'm missing why the _dl_debug_state breakpoint is special here, such that it
> requires a force load of the section info? How does that happen?
Jason's comment explains it well. It's because ld.so's loading is special here.
Normal binaries are loaded via
ZequanWu wrote:
> why not just call ModulesDidLoad and delegate this (and possibly other
> binary-just-loaded) behaviors to it?
That's what I did first, but it breaks the test
`TestModuleLoadedNotifys.ModuleLoadedNotifysTestCase.test_launch_notifications`
because of extra broadcaster event.
https://github.com/ZequanWu created
https://github.com/llvm/llvm-project/pull/88792
If user sets a breakpoint at `_dl_debug_state` before the process launched, the
breakpoint is not resolved yet. When lldb loads dynamic loader module, it's
created with `Target::GetOrCreateModule` which
https://github.com/ZequanWu closed
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https://github.com/llvm/llvm-project/pull/86568
>From 19dd9a13c21d70b42b9d68aed6fb0b5a5e494685 Mon Sep 17 00:00:00 2001
From: Zequan Wu
Date: Mon, 25 Mar 2024 15:49:42 -0400
Subject: [PATCH 1/2] [lldb][Dwarf] Fix dwarf parse time for line table and
@@ -1228,10 +1231,9 @@ bool SymbolFileDWARF::ParseLineTable(CompileUnit
_unit) {
if (offset == DW_INVALID_OFFSET)
return false;
- ElapsedTime elapsed(m_parse_time);
ZequanWu wrote:
My understanding is m_parse_time is the time spent only on parsing
https://github.com/ZequanWu created
https://github.com/llvm/llvm-project/pull/86568
`ParseLineTable` not only parses .debug_line but also constructs `LineTable`.
This moves `m_parse_time` into the the function body of `ParseLLVMLineTable` to
more accurately reflect parsing time on
https://github.com/ZequanWu closed
https://github.com/llvm/llvm-project/pull/83192
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https://github.com/ZequanWu created
https://github.com/llvm/llvm-project/pull/83192
If a SetDataBreakpointsRequest contains a list data breakpoints which have
duplicate starting addresses, the current behaviour is returning `{verified:
true}` to both watchpoints with duplicated starting
https://github.com/ZequanWu approved this pull request.
https://github.com/llvm/llvm-project/pull/83162
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ZequanWu wrote:
Ping.
https://github.com/llvm/llvm-project/pull/81909
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https://github.com/ZequanWu updated
https://github.com/llvm/llvm-project/pull/81909
>From d95a420ef100d0e73f8ff829926fc3f3d0708386 Mon Sep 17 00:00:00 2001
From: Zequan Wu
Date: Thu, 15 Feb 2024 14:29:18 -0500
Subject: [PATCH 1/2] [lldb-dap] Add support for data breakpoint.
This implements
https://github.com/ZequanWu updated
https://github.com/llvm/llvm-project/pull/81909
>From d95a420ef100d0e73f8ff829926fc3f3d0708386 Mon Sep 17 00:00:00 2001
From: Zequan Wu
Date: Thu, 15 Feb 2024 14:29:18 -0500
Subject: [PATCH] [lldb-dap] Add support for data breakpoint.
This implements
ZequanWu wrote:
DAP adds a new request `DataAddressBreakpointInfo` at
https://github.com/microsoft/debug-adapter-protocol/pull/461 with the
following format to allow setting watchpoints at given address and size:
```
interface DataAddressBreakpointInfoRequest extends Request {
command:
https://github.com/ZequanWu created
https://github.com/llvm/llvm-project/pull/81909
This implements functionality to handle DataBreakpointInfo request and
SetDataBreakpoints request.
Previous commit
https://github.com/llvm/llvm-project/commit/8c56e78ec531f0e2460213c20fff869b6b7add99
was
ZequanWu wrote:
>From logs, looks like setting breakpoint with size being 1 byte failed on arm,
>and works with size being 4 bytes.
https://github.com/llvm/llvm-project/pull/81541
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https://github.com/ZequanWu approved this pull request.
Thanks for reporting.
https://github.com/llvm/llvm-project/pull/81812
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@@ -2757,13 +2769,18 @@ void request_dataBreakpointInfo(const
llvm::json::Object ) {
body.try_emplace("description", error_cstr && error_cstr[0]
? std::string(error_cstr)
: "evaluation
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https://github.com/ZequanWu commented:
In terms of interpreting `name` as `${number of bytes}@${expression}`, it's
made-up. And I just noticed that someone already filed an issue about this:
https://github.com/microsoft/debug-adapter-protocol/issues/455. Should we
revert the change inside the
https://github.com/ZequanWu updated
https://github.com/llvm/llvm-project/pull/81680
>From f9c509c519c9937d2e2de5098c4241e936187527 Mon Sep 17 00:00:00 2001
From: Zequan Wu
Date: Tue, 13 Feb 2024 17:41:26 -0500
Subject: [PATCH 1/2] [lldb-dap] Followup fixs for data breakpoints
---
@@ -2697,58 +2737,41 @@ void request_dataBreakpointInfo(const
llvm::json::Object ) {
GetUnsigned(arguments, "variablesReference", 0);
llvm::StringRef name = GetString(arguments, "name");
lldb::SBFrame frame = g_dap.GetLLDBFrame(*arguments);
- bool
@@ -2697,58 +2737,41 @@ void request_dataBreakpointInfo(const
llvm::json::Object ) {
GetUnsigned(arguments, "variablesReference", 0);
llvm::StringRef name = GetString(arguments, "name");
lldb::SBFrame frame = g_dap.GetLLDBFrame(*arguments);
- bool
@@ -2697,58 +2737,41 @@ void request_dataBreakpointInfo(const
llvm::json::Object ) {
GetUnsigned(arguments, "variablesReference", 0);
llvm::StringRef name = GetString(arguments, "name");
lldb::SBFrame frame = g_dap.GetLLDBFrame(*arguments);
- bool
@@ -561,6 +561,46 @@ void EventThreadFunction() {
}
}
+lldb::SBValue FindVariable(uint64_t variablesReference, llvm::StringRef name) {
+ lldb::SBValue variable;
+ if (lldb::SBValueList *top_scope = GetTopLevelScope(variablesReference)) {
+bool
@@ -2697,58 +2737,41 @@ void request_dataBreakpointInfo(const
llvm::json::Object ) {
GetUnsigned(arguments, "variablesReference", 0);
llvm::StringRef name = GetString(arguments, "name");
lldb::SBFrame frame = g_dap.GetLLDBFrame(*arguments);
- bool
https://github.com/ZequanWu created
https://github.com/llvm/llvm-project/pull/81680
Followup fixes to resolve comments in
https://github.com/llvm/llvm-project/pull/81541
>From f9c509c519c9937d2e2de5098c4241e936187527 Mon Sep 17 00:00:00 2001
From: Zequan Wu
Date: Tue, 13 Feb 2024 17:41:26
https://github.com/ZequanWu closed
https://github.com/llvm/llvm-project/pull/81541
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ZequanWu wrote:
I updated to add support for setting data breakpoint with expression. If
`variablesReference` is 0 or not provided, interpret `name` as `${number of
bytes}@${expression}` to set data breakpoint at the given expression because
the spec
@@ -2591,6 +2594,248 @@ void request_setFunctionBreakpoints(const
llvm::json::Object ) {
g_dap.SendJSON(llvm::json::Value(std::move(response)));
}
+// "DataBreakpointInfoRequest": {
+// "allOf": [ { "$ref": "#/definitions/Request" }, {
+// "type": "object",
+//
@@ -2591,6 +2594,248 @@ void request_setFunctionBreakpoints(const
llvm::json::Object ) {
g_dap.SendJSON(llvm::json::Value(std::move(response)));
}
+// "DataBreakpointInfoRequest": {
+// "allOf": [ { "$ref": "#/definitions/Request" }, {
+// "type": "object",
+//
https://github.com/ZequanWu updated
https://github.com/llvm/llvm-project/pull/81541
>From a2d28693da09a569b49bc39a4743e302b2479d87 Mon Sep 17 00:00:00 2001
From: Zequan Wu
Date: Tue, 13 Feb 2024 11:55:33 -0500
Subject: [PATCH 1/2] [lldb-dap] Add support for data breakpoint.
This implements
https://github.com/ZequanWu edited
https://github.com/llvm/llvm-project/pull/81541
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@@ -895,6 +906,32 @@ def request_setFunctionBreakpoints(self, names,
condition=None, hitCondition=Non
}
return self.send_recv(command_dict)
+def request_dataBreakpointInfo(self, variablesReference, name):
+args_dict = {"variablesReference":
ZequanWu wrote:
> just ping me when this PR is rebased
Rebased.
https://github.com/llvm/llvm-project/pull/81541
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https://github.com/ZequanWu updated
https://github.com/llvm/llvm-project/pull/81541
>From a2d28693da09a569b49bc39a4743e302b2479d87 Mon Sep 17 00:00:00 2001
From: Zequan Wu
Date: Tue, 13 Feb 2024 11:55:33 -0500
Subject: [PATCH] [lldb-dap] Add support for data breakpoint.
This implements
https://github.com/ZequanWu closed
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ZequanWu wrote:
> This looks great overall! Could you split this PR into two? One with the
> refactoring and another one with the new features? That would make reviewing
> easier
Yes, I already split it out: https://github.com/llvm/llvm-project/pull/80753 is
the refactor pr. I'll rebase this
ZequanWu wrote:
I uploaded https://github.com/llvm/llvm-project/pull/81541 as reference for
reviewers to understand the motivation of this patch.
https://github.com/llvm/llvm-project/pull/80753
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https://github.com/ZequanWu created
https://github.com/llvm/llvm-project/pull/81541
This implements functionality to handle `DataBreakpointInfo` request and
`SetDataBreakpoints` request.
It doesn't handle the case when `name` is an expression, see Todo comment for
details.
This is based on
https://github.com/ZequanWu updated
https://github.com/llvm/llvm-project/pull/80753
>From c4b767909a9ffc2a3015dc9021e4c265da0d877d Mon Sep 17 00:00:00 2001
From: Zequan Wu
Date: Mon, 5 Feb 2024 17:26:48 -0500
Subject: [PATCH 1/3] [lldb-dap][NFC] Add Breakpoint struct to share common
logic.
https://github.com/ZequanWu updated
https://github.com/llvm/llvm-project/pull/80753
>From c4b767909a9ffc2a3015dc9021e4c265da0d877d Mon Sep 17 00:00:00 2001
From: Zequan Wu
Date: Mon, 5 Feb 2024 17:26:48 -0500
Subject: [PATCH 1/2] [lldb-dap][NFC] Add Breakpoint struct to share common
logic.
https://github.com/ZequanWu created
https://github.com/llvm/llvm-project/pull/80753
This adds a layer between `SounceBreakpoint`/`FunctionBreakpoint` and
`BreakpointBase` to have better separation and encapsulation so we are not
directly operating on `SBBreakpoint`.
I basically moved the
https://github.com/ZequanWu closed
https://github.com/llvm/llvm-project/pull/78494
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>From dbd04f25ccb37a18b316078df7817a603f007396 Mon Sep 17 00:00:00 2001
From: Zequan Wu
Date: Wed, 17 Jan 2024 14:22:01 -0500
Subject: [PATCH 1/3] [lldb][Format] Fix missing inlined function names in
frame
https://github.com/ZequanWu created
https://github.com/llvm/llvm-project/pull/78494
This fixes missing inlined function names when formatting frame and the `Block`
in `SymbolContext` is a lexical block (e.g. `DW_TAG_lexical_block` in Dwarf).
>From dbd04f25ccb37a18b316078df7817a603f007396 Mon
https://github.com/ZequanWu closed
https://github.com/llvm/llvm-project/pull/78210
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https://github.com/ZequanWu created
https://github.com/llvm/llvm-project/pull/78210
This allows release teams to customize the bug report url for lldb. It also
removes unnecessary constructions of `llvm::PrettyStackTraceProgram` as it's
already constructed inside `llvm::InitLLVM`.
>From
Author: Zequan Wu
Date: 2024-01-04T12:32:40-05:00
New Revision: 4004f655ceb9623608ba0471aa7037c142956e31
URL:
https://github.com/llvm/llvm-project/commit/4004f655ceb9623608ba0471aa7037c142956e31
DIFF:
https://github.com/llvm/llvm-project/commit/4004f655ceb9623608ba0471aa7037c142956e31.diff
ZequanWu wrote:
> Well, seems like someone broke ToT w/ a compiler error. I'll let you know if
> the forward fix fails to address the issue.
The latest build passed:
https://luci-milo.appspot.com/ui/p/fuchsia/builders/toolchain.ci/clang-linux-x64/b8761696377585255057/overview.
ZequanWu wrote:
> Seems like a mismatch on the diff, so maybe the check is too stringent.
>
> If this will take a while to fix, would you mind reverting until it can be
> addressed?
It passed for me locally on x64. Maybe I should use `diff <(llvm-profdata show
--all-functions --counts
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@@ -0,0 +1,9 @@
+// RUN: %clang_cc1 -fprofile-instrument=clang -fcoverage-mapping -emit-llvm
-o - %s | FileCheck %s
+// RUN: %clang_cc1 -mllvm -profile-correlate=binary -fprofile-instrument=clang
-fcoverage-mapping -emit-llvm -o - %s | FileCheck %s
@@ -1829,6 +1833,22 @@ void CoverageMappingModuleGen::emit() {
llvm::GlobalValue::InternalLinkage, NamesArrVal,
llvm::getCoverageUnusedNamesVarName());
}
+ const StringRef
@@ -1829,6 +1833,22 @@ void CoverageMappingModuleGen::emit() {
llvm::GlobalValue::InternalLinkage, NamesArrVal,
llvm::getCoverageUnusedNamesVarName());
}
+ const StringRef
@@ -702,6 +708,8 @@ serializeValueProfDataFrom(ValueProfRecordClosure *Closure,
#define INSTR_PROF_COVMAP_COMMON __llvm_covmap
#define INSTR_PROF_COVFUN_COMMON __llvm_covfun
#define INSTR_PROF_ORDERFILE_COMMON __llvm_orderfile
ZequanWu wrote:
Done.
ZequanWu wrote:
> Can you break up all the changes to tests that replace
> `-debug-info-correlate` with `--profile-correlate=debug-info` into a separate
> PR to reduce the size of this PR?
Done.
https://github.com/llvm/llvm-project/pull/69493
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Ping.
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ZequanWu wrote:
> Some further discussion/pre-work needed before proceeding with this PR.
These two discussions are addressed and this is ready to be reviewed.
1. Support for merging with multiple correlation files will be done in a
separate change.
2. Removed the `VARIANT_MASK_BIN_CORRELATE`
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@@ -0,0 +1,46 @@
+// REQUIRES: linux || windows
+// Default
+// RUN: %clang -o %t.normal -fprofile-instr-generate -fcoverage-mapping
-fuse-ld=lld %S/Inputs/instrprof-debug-info-correlate-main.cpp
%S/Inputs/instrprof-debug-info-correlate-foo.cpp
+// RUN: env
@@ -195,8 +195,14 @@ OPTIONS
.. option:: --debug-info=
Specify the executable or ``.dSYM`` that contains debug info for the raw
profile.
- When ``-debug-info-correlate`` was used for instrumentation, use this option
- to correlate the raw profile.
+ When
@@ -1341,20 +1344,26 @@ void
InstrProfiling::createDataVariable(InstrProfCntrInstBase *Inc,
}
auto *Data =
new GlobalVariable(*M, DataTy, false, Linkage, nullptr, DataVarName);
- // Reference the counter variable with a label difference (link-time
- // constant).
@@ -1331,6 +1336,18 @@ static int merge_main(int argc, const char *argv[]) {
"(default: 1)"));
cl::ParseCommandLineOptions(argc, argv, "LLVM profile data merger\n");
+ if (!DebugInfoFilename.empty() && !BinaryFilename.empty()) {
+
@@ -1331,6 +1336,18 @@ static int merge_main(int argc, const char *argv[]) {
"(default: 1)"));
cl::ParseCommandLineOptions(argc, argv, "LLVM profile data merger\n");
+ if (!DebugInfoFilename.empty() && !BinaryFilename.empty()) {
+
https://github.com/ZequanWu commented:
> "binary" is ambiguous. I wonder whether object file correlation is better.
> llvm-symbolizer has an option --obj=xxx.
llvm-symbolizer's `--obj` could take an pre-linking object file. But here we
need to take post-linked binary for merging.
@@ -46,14 +73,38 @@ const char *InstrProfCorrelator::NumCountersAttributeName =
"Num Counters";
llvm::Expected>
InstrProfCorrelator::Context::get(std::unique_ptr Buffer,
- const object::ObjectFile ) {
+ const
@@ -1829,6 +1833,22 @@ void CoverageMappingModuleGen::emit() {
llvm::GlobalValue::InternalLinkage, NamesArrVal,
llvm::getCoverageUnusedNamesVarName());
}
+ const StringRef
@@ -0,0 +1,46 @@
+// REQUIRES: linux || windows
ZequanWu wrote:
I think lld is not require, removed `-fuse-ld=lld`.
https://github.com/llvm/llvm-project/pull/69493
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@@ -0,0 +1,9 @@
+// RUN: %clang_cc1 -fprofile-instrument=clang -fcoverage-mapping -emit-llvm
-o - %s | FileCheck %s
+// RUN: %clang_cc1 -mllvm -profile-correlate=binary -fprofile-instrument=clang
-fcoverage-mapping -emit-llvm -o - %s | FileCheck %s
@@ -0,0 +1,11 @@
+; RUN: opt < %s -passes=instrprof -profile-correlate=binary -S | FileCheck %s
ZequanWu wrote:
Moved the test to `coverage.ll`
https://github.com/llvm/llvm-project/pull/69493
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ZequanWu wrote:
There are some discussions about this outside the PR:
https://github.com/llvm/llvm-project/pull/70856#issuecomment-1791465183
https://discourse.llvm.org/t/rfc-add-binary-profile-correlation-to-not-load-profile-metadata-sections-into-memory-at-runtime/74565/8
Some further
ZequanWu wrote:
Ping.
https://github.com/llvm/llvm-project/pull/69493
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https://github.com/ZequanWu updated
https://github.com/llvm/llvm-project/pull/69493
>From 3a394ce5d4d7d91251337bd0a2c1c1a074eb37e6 Mon Sep 17 00:00:00 2001
From: Zequan Wu
Date: Tue, 17 Oct 2023 19:24:12 -0400
Subject: [PATCH 1/6] [Profile] Add binary profile correlation.
---
https://github.com/ZequanWu updated
https://github.com/llvm/llvm-project/pull/69493
>From 3a394ce5d4d7d91251337bd0a2c1c1a074eb37e6 Mon Sep 17 00:00:00 2001
From: Zequan Wu
Date: Tue, 17 Oct 2023 19:24:12 -0400
Subject: [PATCH 1/5] [Profile] Add binary profile correlation.
---
Author: Zequan Wu
Date: 2023-06-06T11:24:50-04:00
New Revision: cb9a7c22ee6789569e28dde073e6827761b4d003
URL:
https://github.com/llvm/llvm-project/commit/cb9a7c22ee6789569e28dde073e6827761b4d003
DIFF:
https://github.com/llvm/llvm-project/commit/cb9a7c22ee6789569e28dde073e6827761b4d003.diff
Author: Zequan Wu
Date: 2023-03-06T10:25:38-05:00
New Revision: 960126e04a6faad1b71e110a4262c5733e50fab7
URL:
https://github.com/llvm/llvm-project/commit/960126e04a6faad1b71e110a4262c5733e50fab7
DIFF:
https://github.com/llvm/llvm-project/commit/960126e04a6faad1b71e110a4262c5733e50fab7.diff
That's a known issue for the NativePDB plugin:
https://github.com/llvm/llvm-project/issues/51933. Because currently the
plugin internally looks up function names by full names. Even if you try to
set a breakpoint with a full function name, the plugin itself only receives
the basename.
On Wed, Nov
Author: Zequan Wu
Date: 2022-11-22T11:26:18-08:00
New Revision: 387620aa8cea33174b6c1fb80c1af713fee732ac
URL:
https://github.com/llvm/llvm-project/commit/387620aa8cea33174b6c1fb80c1af713fee732ac
DIFF:
https://github.com/llvm/llvm-project/commit/387620aa8cea33174b6c1fb80c1af713fee732ac.diff
Author: Zequan Wu
Date: 2022-11-22T10:55:05-08:00
New Revision: eef5405f74ae208e3e2eb7daacecac923d7338f2
URL:
https://github.com/llvm/llvm-project/commit/eef5405f74ae208e3e2eb7daacecac923d7338f2
DIFF:
https://github.com/llvm/llvm-project/commit/eef5405f74ae208e3e2eb7daacecac923d7338f2.diff
Author: Zequan Wu
Date: 2022-11-22T10:23:11-08:00
New Revision: 24993e749ccd0b8f701f5d8cecaaa49cc205aaa2
URL:
https://github.com/llvm/llvm-project/commit/24993e749ccd0b8f701f5d8cecaaa49cc205aaa2
DIFF:
https://github.com/llvm/llvm-project/commit/24993e749ccd0b8f701f5d8cecaaa49cc205aaa2.diff
Author: Zequan Wu
Date: 2022-11-22T10:19:58-08:00
New Revision: 531ed6d5aa65f41c6dfe2e74905d5c6c88fc95a7
URL:
https://github.com/llvm/llvm-project/commit/531ed6d5aa65f41c6dfe2e74905d5c6c88fc95a7
DIFF:
https://github.com/llvm/llvm-project/commit/531ed6d5aa65f41c6dfe2e74905d5c6c88fc95a7.diff
Author: Zequan Wu
Date: 2022-11-16T11:17:07-08:00
New Revision: 6435fe699c2978aa8a91dc1cf5daa82fb4b28d95
URL:
https://github.com/llvm/llvm-project/commit/6435fe699c2978aa8a91dc1cf5daa82fb4b28d95
DIFF:
https://github.com/llvm/llvm-project/commit/6435fe699c2978aa8a91dc1cf5daa82fb4b28d95.diff
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