microsoft
/
BPerf
зеркало из https://github.com/microsoft/BPerf.git
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Fix pdb issue

This commit is contained in:
Mukul Sabharwal 2018-03-22 02:13:40 -07:00
Родитель 4b093aa8e7
Коммит 1bf3928eb5
16 изменённых файлов: 264 добавлений и 267 удалений
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2
WebViewer/Microsoft.BPerf.StackInformation.Etw/EtwDeserializer.cs
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@ -767,7 +767,7 @@ namespace Microsoft.BPerf.StackInformation.Etw
string methodName = ReadWideNullTerminatedString(ref data);
string methodSignature = ReadWideNullTerminatedString(ref data);
var methodInfo = new ManagedMethodInfo(methodToken, methodId, moduleId, methodStartAddress, methodStartAddress + methodSize, methodNamespace + "." + methodName + methodSignature);
var methodInfo = new ManagedMethodInfo(methodToken, methodId, moduleId, methodStartAddress, methodStartAddress + methodSize, methodNamespace + "." + methodName + methodSignature.Substring(methodSignature.IndexOf('(')));
uint pid = eventRecord->ProcessId;
if (!this.MethodLoadMap.TryGetValue(pid, out List<ManagedMethodInfo> methodList))

2
WebViewer/Microsoft.BPerf.StackViewer/CallTreeData.cs
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@ -232,7 +232,7 @@ namespace Microsoft.BPerf.StackViewer
client.DefaultRequestHeaders.Add("Authorization", authorizationHeader);
}
var result = client.GetStringAsync(urlPath).Result;
var result = await client.GetStringAsync(urlPath);
var lines = result.Split('\n');

16
WebViewer/Microsoft.BPerf.StackViewer/Microsoft.BPerf.StackViewer.csproj
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@ -10,7 +10,7 @@
<PackageReference Include="Microsoft.AspNetCore.All" Version="2.0.6" />
<PackageReference Include="Newtonsoft.Json" Version="11.0.1" />
<PackageReference Include="StyleCop.Analyzers" Version="1.0.2" />
<PackageReference Include="Microsoft.BPerf.Dia2Lib" Version="1.0.1" />
<PackageReference Include="Microsoft.BPerf.Dia2Lib" Version="1.0.0" />
</ItemGroup>
<ItemGroup>
@ -27,6 +27,20 @@
<ProjectReference Include="..\Microsoft.Diagnostics.Tracing.Stacks\Microsoft.Diagnostics.Tracing.Stacks.csproj" />
</ItemGroup>
<ItemGroup>
<Folder Include="amd64\" />
<Folder Include="x86\" />
</ItemGroup>
<ItemGroup>
<None Update="amd64\msdia140.dll">
<CopyToOutputDirectory>Always</CopyToOutputDirectory>
</None>
<None Update="x86\msdia140.dll">
<CopyToOutputDirectory>Always</CopyToOutputDirectory>
</None>
</ItemGroup>
<Import Project="..\SourceLink.targets" />
</Project>

2
WebViewer/Microsoft.BPerf.StackViewer/SourceServerAuthorizationInformationProvider.cs
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@ -20,7 +20,7 @@ namespace Microsoft.BPerf.StackViewer
{
foreach (var sourceServer in this.sourceServers)
{
if (sourceServer.UrlPrefix.StartsWith(url))
if (url.StartsWith(sourceServer.UrlPrefix))
{
return sourceServer.AuthorizationHeader;
}

1
WebViewer/Microsoft.BPerf.StackViewer/Startup.cs
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@ -57,7 +57,6 @@ namespace Microsoft.BPerf.StackViewer
var etlDir = Path.GetFullPath(Environment.ExpandEnvironmentVariables(app.ApplicationServices.GetService<IOptions<StackViewerSettings>>().Value.TemporaryDataFileDownloadLocation));
app.ApplicationServices.GetService<IOptions<StackViewerSettings>>().Value.TemporaryDataFileDownloadLocation = etlDir;
Directory.CreateDirectory(etlDir);
Directory.SetCurrentDirectory(etlDir);
loggerFactory.AddConsole();
app.UseStaticFiles();

5
WebViewer/Microsoft.BPerf.StackViewer/Views/Shared/_Layout.cshtml
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@ -27,7 +27,7 @@
</div>
</nav>
<div style="margin-left: 1px">
<div style="margin-left: 1px; margin-top: 60px;">
<form action="/ui/stackviewer/summary" method="get" class="form-inline">
<input type="hidden" name="Filename" value="@this.Model.Filename">
@ -57,7 +57,8 @@
<button type="submit" class="btn btn-primary">Update</button>
</div>
</form>
<hr/>
<br />
@this.RenderBody()
</div>

20
WebViewer/Microsoft.BPerf.StackViewer/Views/StackViewerUI/Callers.cshtml
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@ -10,16 +10,16 @@
<table class="table table-bordered table-hover" id="calltree">
<thead class="thead-inverse">
<tr>
<td><a href="/Content/documentation.html#Name">Name</a></td>
<td><a href="/Content/documentation.html#Source">Source</a></td>
<td><a href="/Content/documentation.html#IncMetricP">Inclusive Metric %</a></td>
<td><a href="/Content/documentation.html#IncMetricC">Inclusive Count</a></td>
<td><a href="/Content/documentation.html#ExcMetricP">Exclusive Metric %</a></td>
<td><a href="/Content/documentation.html#ExcMetricC">Exclusive Count</a></td>
<td><a href="/Content/documentation.html#FoldCount">Fold Count</a></td>
<td><a href="/Content/documentation.html#Histogram">When</a></td>
<td><a href="/Content/documentation.html#First">First</a></td>
<td><a href="/Content/documentation.html#Last">Last</a></td>
<td>Name</td>
<td>Source</td>
<td>Inclusive Metric %</td>
<td>Inclusive Count</td>
<td>Exclusive Metric %</td>
<td>Exclusive Count</td>
<td>Fold Count</td>
<td>When</td>
<td>First</td>
<td>Last</td>
</tr>
</thead>
<tbody>

18
WebViewer/Microsoft.BPerf.StackViewer/Views/StackViewerUI/Hotspots.cshtml
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@ -12,15 +12,15 @@
<table class="table table-bordered table-hover" id="hotspots">
<thead class="thead-inverse">
<tr>
<td><a href="/Content/documentation.html#Name">Name</a></td>
<td><a href="/Content/documentation.html#ExcMetricP">Exclusive Metric %</a></td>
<td><a href="/Content/documentation.html#ExcMetricC">Exclusive Count</a></td>
<td><a href="/Content/documentation.html#IncMetricP">Inclusive Metric %</a></td>
<td><a href="/Content/documentation.html#IncMetricC">Inclusive Count</a></td>
<td><a href="/Content/documentation.html#FoldCount">Fold Count</a></td>
<td><a href="/Content/documentation.html#Histogram">When</a></td>
<td><a href="/Content/documentation.html#First">First</a></td>
<td><a href="/Content/documentation.html#Last">Last</a></td>
<td>Name</td>
<td>Exclusive Metric %</td>
<td>Exclusive Count</td>
<td>Inclusive Metric %</td>
<td>Inclusive Count</td>
<td>Fold Count</td>
<td>When</td>
<td>First</td>
<td>Last</td>
</tr>
</thead>
<tbody>

Двоичные данные
WebViewer/Microsoft.BPerf.StackViewer/amd64/msdia140.dll Normal file
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Двоичный файл не отображается.

8
WebViewer/Microsoft.BPerf.StackViewer/appsettings.json
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@ -12,7 +12,7 @@
{
"Url": "https://microsoft.artifacts.visualstudio.com/defaultcollection/_apis/symbol/symsrv",
"Priority": 1,
"AuthorizationHeader": "Basic Omh5Y3Z2czcyaHVtaDc0cmRlamo1aTRoZGxhcjN5Z3lzNWFjNmt6bGJzd3picW4yaDJxZ2E="
"AuthorizationHeader": "FIXME"
},
{
"Url": "http://msdl.microsoft.com/download/symbols",
@ -21,15 +21,15 @@
{
"Url": "https://msasg.artifacts.visualstudio.com/defaultcollection/_apis/symbol/symsrv",
"Priority": 3,
"AuthorizationHeader": "Basic Omh5Y3Z2czcyaHVtaDc0cmRlamo1aTRoZGxhcjN5Z3lzNWFjNmt6bGJzd3picW4yaDJxZ2E="
"AuthorizationHeader": "FIXME"
}
]
},
"SourceServerAuthorizationInformation": {
"SourceServers": [
{
"UrlPrefix": "https://msasg.visualstudio.com/Bing_UX/_git/snrcode",
"AuthorizationHeader": "Basic Omh5Y3Z2czcyaHVtaDc0cmRlamo1aTRoZGxhcjN5Z3lzNWFjNmt6bGJzd3picW4yaDJxZ2E="
"UrlPrefix": "http://src.bperf.io",
"AuthorizationHeader": "FIXME"
}
]
}

4
WebViewer/Microsoft.BPerf.StackViewer/wwwroot/css/site.css
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@ -1,5 +1,5 @@
table.treetable { font-family: Courier; font-size: 12px; }
#hotspots { font-family: Courier; font-size: 12px; }
#hotspots { font-family: Courier; font-size: 12px; line-height: 1; }
table.treetable span.indenter {
display: inline-block;
@ -79,4 +79,4 @@ table.treetable tr.expanded.accept td span.indenter a {
#sourcenotice { font-family: Calibri;font-weight: bold;padding: 4px; color: #008b8b}
#calltree { display: none}
#calltree { display: none; line-height: 1; }

52
WebViewer/Microsoft.BPerf.SymbolicInformation.ProgramDatabase/DiaLoader.cs Normal file
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@ -0,0 +1,52 @@
// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
namespace Microsoft.BPerf.SymbolicInformation.ProgramDatabase
{
using System;
using System.Runtime.InteropServices;
using Dia2Lib;
internal static class DiaLoader
{
private static readonly Guid ClassFactoryGuid = new Guid("00000001-0000-0000-C000-000000000046");
private static readonly Guid IDiaDataSourceGuid = new Guid("65A23C15-BAB3-45DA-8639-F06DE86B9EA8");
private static bool loadedNativeDll;
[ComImport]
[ComVisible(false)]
[Guid("00000001-0000-0000-C000-000000000046")]
[InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
private interface IClassFactory
{
void CreateInstance([MarshalAs(UnmanagedType.Interface)] object aggregator, ref Guid refiid, [MarshalAs(UnmanagedType.Interface)] out object createdObject);
void LockServer(bool incrementRefCount);
}
public static IDiaDataSource3 GetDiaSourceObject()
{
if (!loadedNativeDll)
{
LoadLibrary(System.IO.Path.GetFullPath(IntPtr.Size == 8 ? @"amd64\msdia140.dll" : @"x86\msdia140.dll"));
loadedNativeDll = true;
}
var diaSourceClassGuid = new Guid("{e6756135-1e65-4d17-8576-610761398c3c}");
var comClassFactory = (IClassFactory)DllGetClassObject(diaSourceClassGuid, ClassFactoryGuid);
Guid dataDataSourceGuid = IDiaDataSourceGuid;
comClassFactory.CreateInstance(null, ref dataDataSourceGuid, out object comObject);
return comObject as IDiaDataSource3;
}
[return: MarshalAs(UnmanagedType.Interface)]
[DllImport("msdia140.dll", CharSet = CharSet.Unicode, ExactSpelling = true, PreserveSig = false)]
private static extern object DllGetClassObject([In, MarshalAs(UnmanagedType.LPStruct)] Guid rclsid, [In, MarshalAs(UnmanagedType.LPStruct)] Guid riid);
[DllImport("kernel32.dll")]
private static extern IntPtr LoadLibrary(string filePath);
}
}

172
WebViewer/Microsoft.BPerf.SymbolicInformation.ProgramDatabase/NativePdbReader.cs
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@ -1,172 +0,0 @@
// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
namespace Microsoft.BPerf.SymbolicInformation.ProgramDatabase
{
using System;
using System.Runtime.InteropServices;
internal delegate IntPtr Allocator(IntPtr size);
internal sealed class NativePdbReader : IDisposable
{
private const string LibraryPath = @"C:\Microsoft.BPerf.WindowsPdbReader.Native\x64\Debug\Microsoft.BPerf.WindowsPdbReader.Native.dll";
private static readonly IntPtr AllocationPointer = Marshal.GetFunctionPointerForDelegate<Allocator>(Marshal.AllocHGlobal);
private readonly IntPtr reader;
private readonly bool signatureAndAgeValid;
public NativePdbReader(string filename, Guid incomingGuid, uint incomingAge)
{
this.reader = CreatePdbSymbolReader(filename);
this.signatureAndAgeValid = ValidateSignature(this.reader, ref incomingGuid, incomingAge);
}
public NativePdbReader(string filename)
: this(filename, Guid.Empty, 0)
{
this.signatureAndAgeValid = true;
}
~NativePdbReader()
{
this.ReleaseUnmanagedResources();
}
public void Dispose()
{
this.ReleaseUnmanagedResources();
GC.SuppressFinalize(this);
}
public bool IsValid()
{
return this.signatureAndAgeValid && IsReaderValid(this.reader);
}
public bool FindNameForRVA(uint rva, out string name)
{
var retVal = FindNameForRVA(this.reader, rva, AllocationPointer, out var namePtr, out uint size);
try
{
name = namePtr == IntPtr.Zero ? string.Empty : Marshal.PtrToStringAnsi(namePtr, (int)size);
return retVal;
}
finally
{
if (namePtr != IntPtr.Zero)
{
Marshal.FreeHGlobal(namePtr);
}
}
}
public bool FindLineNumberForManagedMethod(uint methodToken, uint iloffset, out LineColumnInformation lineColumnInformation)
{
var retVal = FindLineNumberForManagedMethod(this.reader, methodToken, iloffset, AllocationPointer, out var namePtr, out var size, out var lineStart, out var lineEnd, out var columnStart, out var columnEnd);
try
{
var name = namePtr == IntPtr.Zero ? string.Empty : Marshal.PtrToStringAnsi(namePtr, (int)size);
lineColumnInformation = new LineColumnInformation(name, lineStart, lineEnd, columnStart, columnEnd);
return retVal;
}
finally
{
if (namePtr != IntPtr.Zero)
{
Marshal.FreeHGlobal(namePtr);
}
}
}
public bool FindLineNumberForNativeMethod(uint rva, out LineColumnInformation lineColumnInformation)
{
var retVal = FindLineNumberForNativeMethod(this.reader, rva, AllocationPointer, out var namePtr, out var size, out var lineStart, out var lineEnd, out var columnStart, out var columnEnd);
try
{
var name = namePtr == IntPtr.Zero ? string.Empty : Marshal.PtrToStringAnsi(namePtr, (int)size);
lineColumnInformation = new LineColumnInformation(name, lineStart, lineEnd, columnStart, columnEnd);
return retVal;
}
finally
{
if (namePtr != IntPtr.Zero)
{
Marshal.FreeHGlobal(namePtr);
}
}
}
public bool GetSourceLinkData(out string sourcelink)
{
var retVal = GetSourceLinkData(this.reader, out var dataPtr, out var size);
try
{
sourcelink = dataPtr == IntPtr.Zero ? string.Empty : Marshal.PtrToStringAnsi(dataPtr, (int)size);
return retVal;
}
finally
{
if (dataPtr != IntPtr.Zero)
{
Marshal.FreeHGlobal(dataPtr);
}
}
}
public bool GetSrcSrvData(out string srcsrv)
{
var retVal = GetSrcSrvData(this.reader, out var dataPtr, out var size);
try
{
srcsrv = dataPtr == IntPtr.Zero ? string.Empty : Marshal.PtrToStringAnsi(dataPtr, (int)size);
return retVal;
}
finally
{
if (dataPtr != IntPtr.Zero)
{
Marshal.FreeHGlobal(dataPtr);
}
}
}
[DllImport(LibraryPath)]
private static extern IntPtr CreatePdbSymbolReader(string filename);
[DllImport(LibraryPath)]
private static extern void DeletePdbSymbolReader(IntPtr reader);
[DllImport(LibraryPath)]
private static extern bool IsReaderValid(IntPtr reader);
[DllImport(LibraryPath)]
private static extern bool ValidateSignature(IntPtr reader, ref Guid signature, uint age);
[DllImport(LibraryPath)]
private static extern bool FindNameForRVA(IntPtr reader, uint rva, IntPtr allocator, out IntPtr outPtr, out uint size);
[DllImport(LibraryPath)]
private static extern bool FindLineNumberForManagedMethod(IntPtr reader, uint methodToken, uint iloffset, IntPtr allocator, out IntPtr namePtr, out uint size, out uint lineStart, out uint lineEnd, out ushort columnStart, out ushort columnEnd);
[DllImport(LibraryPath)]
private static extern bool FindLineNumberForNativeMethod(IntPtr reader, uint rva, IntPtr allocator, out IntPtr namePtr, out uint size, out uint lineStart, out uint lineEnd, out ushort columnStart, out ushort columnEnd);
[DllImport(LibraryPath)]
private static extern bool GetSrcSrvData(IntPtr reader, out IntPtr data, out uint size);
[DllImport(LibraryPath)]
private static extern bool GetSourceLinkData(IntPtr reader, out IntPtr data, out uint size);
private void ReleaseUnmanagedResources()
{
if (this.reader != IntPtr.Zero)
{
DeletePdbSymbolReader(this.reader);
}
}
}
}

15
WebViewer/Microsoft.BPerf.SymbolicInformation.ProgramDatabase/SymbolServerArtifactRetriever.cs
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@ -213,17 +213,20 @@ namespace Microsoft.BPerf.SymbolicInformation.ProgramDatabase
return true;
}
private static bool IsValidPdb(string pdbPath, Guid signature, uint age)
private static bool IsValidPdb(string pdbPath, Guid incomingSignature, uint incomingAge)
{
if (File.Exists(pdbPath))
try
{
using (var reader = new NativePdbReader(pdbPath, signature, age))
{
return reader.IsValid();
var dataSource = DiaLoader.GetDiaSourceObject();
var local = incomingSignature;
dataSource.loadAndValidateDataFromPdb(pdbPath, ref local, 0x53445352, incomingAge);
}
catch (System.Runtime.InteropServices.COMException)
{
return false;
}
return false;
return true;
}
private static bool IsValidPortablePdb(string pdbPath, Guid signature)

15
WebViewer/Microsoft.BPerf.SymbolicInformation.ProgramDatabase/TracePdbSymbolReaderProvider.cs
Просмотреть файл

@ -143,17 +143,20 @@ namespace Microsoft.BPerf.SymbolicInformation.ProgramDatabase
return dbgId;
}
private static bool IsValidPdb(string pdbPath, Guid signature, uint age)
private static bool IsValidPdb(string pdbPath, Guid incomingSignature, uint incomingAge)
{
if (File.Exists(pdbPath))
try
{
using (var reader = new NativePdbReader(pdbPath, signature, age))
{
return reader.IsValid();
var dataSource = DiaLoader.GetDiaSourceObject();
var local = incomingSignature;
dataSource.loadAndValidateDataFromPdb(pdbPath, ref local, 0x53445352, incomingAge);
}
catch (COMException)
{
return false;
}
return false;
return true;
}
private static bool IsValidPortablePdb(string pdbPath, Guid signature)

189
WebViewer/Microsoft.BPerf.SymbolicInformation.ProgramDatabase/WindowsPdbSymbolReader.cs
Просмотреть файл

@ -5,6 +5,7 @@ namespace Microsoft.BPerf.SymbolicInformation.ProgramDatabase
{
using System.Collections.Generic;
using System.Text;
using Dia2Lib;
using Microsoft.BPerf.PdbSymbolReader.Interfaces;
using Microsoft.BPerf.SymbolicInformation.Interfaces;
@ -28,69 +29,133 @@ namespace Microsoft.BPerf.SymbolicInformation.ProgramDatabase
public SourceLocation FindSourceLocation(uint rva)
{
LineColumnInformation lineColumnInformation;
string sourceLink;
string srcSrv;
var dataSource = DiaLoader.GetDiaSourceObject();
dataSource.loadDataFromPdb(this.pdbPath);
dataSource.openSession(out var session);
using (var reader = new NativePdbReader(this.pdbPath))
{
reader.GetSourceLinkData(out sourceLink);
reader.GetSrcSrvData(out srcSrv);
// TODO: FIXME
if (!reader.FindLineNumberForNativeMethod(rva, out lineColumnInformation))
session.findLinesByRVA(rva, 0, out var sourceLocs);
sourceLocs.Next(1, out var sourceLoc, out var fetchCount);
if (fetchCount == 0)
{
return null;
}
}
dataSource.getStreamSize("srcsrv", out var srcSrvLen);
dataSource.getStreamSize("sourcelink", out var sourceLinkLen);
var sourceIndexKind = SourceKind.None;
if (!string.IsNullOrEmpty(srcSrv))
{
sourceIndexKind = SourceKind.SrcSrv;
}
else if (!string.IsNullOrEmpty(srcSrv))
string streamName = string.Empty;
uint len = 0;
if (sourceLinkLen > 0)
{
len = sourceLinkLen;
streamName = "sourcelink";
sourceIndexKind = SourceKind.SourceLink;
}
else if (srcSrvLen > 0)
{
len = srcSrvLen;
streamName = "srcsrv";
sourceIndexKind = SourceKind.SrcSrv;
}
var sourceFile = new SourceFile(lineColumnInformation.Filename, sourceIndexKind, sourceIndexKind == SourceKind.SourceLink ? sourceLink : srcSrv); // we should support embedded
string srcSrvString = null;
if (len > 0)
{
var buffer = new byte[len];
unsafe
{
fixed (byte* bufferPtr = buffer)
{
dataSource.getStreamRawData(streamName, len, out *bufferPtr);
srcSrvString = Encoding.UTF8.GetString(buffer);
}
}
}
return new SourceLocation(sourceFile, (int)lineColumnInformation.LineStart);
var sourceFile = new SourceFile(sourceLoc.sourceFile.fileName, sourceIndexKind, srcSrvString); // we should support embedded
var lineNum = (int)sourceLoc.lineNumber;
return new SourceLocation(sourceFile, lineNum);
}
public SourceLocation FindSourceLocation(uint methodToken, int offset)
{
LineColumnInformation lineColumnInformation;
string sourceLink;
string srcSrv;
var dataSource = DiaLoader.GetDiaSourceObject();
dataSource.loadDataFromPdb(this.pdbPath);
dataSource.openSession(out var session);
using (var reader = new NativePdbReader(this.pdbPath))
{
reader.GetSourceLinkData(out sourceLink);
reader.GetSrcSrvData(out srcSrv);
if (!reader.FindLineNumberForManagedMethod(methodToken, (uint)offset, out lineColumnInformation))
session.findSymbolByToken(methodToken, SymTagEnum.SymTagFunction, out var methodSym);
if (methodSym == null)
{
return null;
}
session.findLinesByRVA(methodSym.relativeVirtualAddress + (uint)offset, 256, out var sourceLocs);
sourceLocs.Next(1, out var sourceLoc, out uint fetchCount);
if (fetchCount == 0)
{
return null;
}
dataSource.getStreamSize("srcsrv", out var srcSrvLen);
dataSource.getStreamSize("sourcelink", out var sourceLinkLen);
var sourceIndexKind = SourceKind.None;
if (!string.IsNullOrEmpty(srcSrv))
{
sourceIndexKind = SourceKind.SrcSrv;
}
else if (!string.IsNullOrEmpty(srcSrv))
string streamName = string.Empty;
uint len = 0;
if (sourceLinkLen > 0)
{
len = sourceLinkLen;
streamName = "sourcelink";
sourceIndexKind = SourceKind.SourceLink;
}
else if (srcSrvLen > 0)
{
len = srcSrvLen;
streamName = "srcsrv";
sourceIndexKind = SourceKind.SrcSrv;
}
var sourceFile = new SourceFile(lineColumnInformation.Filename, sourceIndexKind, sourceIndexKind == SourceKind.SourceLink ? sourceLink : srcSrv); // we should support embedded
string srcSrvString = null;
if (len > 0)
{
var buffer = new byte[len];
unsafe
{
fixed (byte* bufferPtr = buffer)
{
dataSource.getStreamRawData(streamName, len, out *bufferPtr);
srcSrvString = Encoding.UTF8.GetString(buffer);
}
}
}
return new SourceLocation(sourceFile, (int)lineColumnInformation.LineStart);
var sourceFile = new SourceFile(sourceLoc.sourceFile.fileName, sourceIndexKind, srcSrvString); // we should support embedded
int lineNum;
while (true)
{
lineNum = (int)sourceLoc.lineNumber;
if (lineNum != 0xFEEFEE)
{
break;
}
lineNum = 0;
sourceLocs.Next(1, out sourceLoc, out fetchCount);
if (fetchCount == 0)
{
break;
}
}
return new SourceLocation(sourceFile, lineNum);
}
public void AddInstructionPointersForProcess(uint pid, ulong imageBase, HashSet<ulong> instructionPointers)
@ -124,13 +189,53 @@ namespace Microsoft.BPerf.SymbolicInformation.ProgramDatabase
return;
}
using (var reader = new NativePdbReader(this.pdbPath))
{
var dataSource = DiaLoader.GetDiaSourceObject();
dataSource.loadDataFromPdb(this.pdbPath);
dataSource.openSession(out var session);
session.getSymbolsByAddr(out var symbolsByAddr);
foreach (var rva in rvasToLookup)
{
ulong eip = rva + imageBase;
this.AddEntry(session, symbolsByAddr, rva + imageBase, rva);
}
if (!reader.FindNameForRVA(rva, out var functionName))
symbolsByAddr = null;
session = null;
dataSource = null;
}
}
private bool HasAnyInstructionPointersForProcess(uint pid)
{
return this.processIdsProcessed.Contains(pid);
}
private void AddEntry(IDiaSession session, IDiaEnumSymbolsByAddr symbolsByAddr, ulong eip, uint rva)
{
session.findSymbolByRVA(rva, SymTagEnum.SymTagPublicSymbol, out var symbol);
if (symbol == null)
{
session.findSymbolByRVA(rva, SymTagEnum.SymTagFunction, out symbol);
if (symbol == null)
{
symbol = symbolsByAddr.symbolByRVA(rva);
}
}
string functionName;
if (symbol != null)
{
symbol.get_undecoratedNameEx(0x1000, out var unmangled);
if (!string.IsNullOrEmpty(unmangled))
{
functionName = unmangled;
}
else
{
functionName = !string.IsNullOrEmpty(symbol.name) ? symbol.name : eip.ToString("x");
}
}
else
{
functionName = eip.ToString("x");
}
@ -139,11 +244,3 @@ namespace Microsoft.BPerf.SymbolicInformation.ProgramDatabase
}
}
}
}
private bool HasAnyInstructionPointersForProcess(uint pid)
{
return this.processIdsProcessed.Contains(pid);
}
}
}