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| param( | |
| [Parameter(Mandatory = $true)][string]$TargetName, | |
| [Parameter(Mandatory = $true)] | |
| [ValidateSet("O0", "O2", "O2-noinline")] | |
| [string]$Mode, | |
| [Parameter(Mandatory = $true)][string]$BinaryPath, | |
| [Parameter(Mandatory = $true)][string]$PdbPath, | |
| [Parameter(Mandatory = $true)][string[]]$ProjectSourceRoots, | |
| [Parameter(Mandatory = $true)][string]$EvidenceRoot | |
| ) | |
| $ErrorActionPreference = "Stop" | |
| Set-StrictMode -Version Latest | |
| $BinaryPath = (Resolve-Path $BinaryPath).Path | |
| $PdbPath = (Resolve-Path $PdbPath).Path | |
| $EvidenceRoot = [System.IO.Path]::GetFullPath($EvidenceRoot) | |
| New-Item -ItemType Directory -Force -Path $EvidenceRoot | Out-Null | |
| $rawDir = Join-Path $EvidenceRoot "raw" | |
| New-Item -ItemType Directory -Force -Path $rawDir | Out-Null | |
| function Get-NativeTool { | |
| param([Parameter(Mandatory = $true)][string]$Name) | |
| $cmd = Get-Command $Name -CommandType Application -ErrorAction Stop | Select-Object -First 1 | |
| return $cmd.Source | |
| } | |
| function Normalize-SourcePath { | |
| param([Parameter(Mandatory = $true)][string]$PathValue) | |
| return $PathValue.Trim().Replace('/', '\') | |
| } | |
| $llvmPdbutilExe = Get-NativeTool "llvm-pdbutil.exe" | |
| $llvmReadobjExe = Get-NativeTool "llvm-readobj.exe" | |
| $peHeaders = Join-Path $rawDir "pe-headers.txt" | |
| $pdbSummary = Join-Path $rawDir "pdb-summary.txt" | |
| $pdbModules = Join-Path $rawDir "pdb-modules-files.txt" | |
| $pdbSymbols = Join-Path $rawDir "pdb-symbols.txt" | |
| & $llvmReadobjExe --file-headers --coff-debug-directory $BinaryPath 2>&1 | Set-Content -Encoding utf8 $peHeaders | |
| if ($LASTEXITCODE -ne 0) { throw "llvm-readobj failed for $BinaryPath" } | |
| $peText = Get-Content -Raw $peHeaders | |
| if ($peText -notmatch "IMAGE_FILE_MACHINE_AMD64") { | |
| throw "Linked PE is not AMD64: $BinaryPath" | |
| } | |
| & $llvmPdbutilExe dump -summary $PdbPath 2>&1 | Set-Content -Encoding utf8 $pdbSummary | |
| if ($LASTEXITCODE -ne 0) { throw "llvm-pdbutil summary failed for $PdbPath" } | |
| & $llvmPdbutilExe dump -modules -files $PdbPath 2>&1 | Set-Content -Encoding utf8 $pdbModules | |
| if ($LASTEXITCODE -ne 0) { throw "llvm-pdbutil module/file dump failed for $PdbPath" } | |
| & $llvmPdbutilExe dump -symbols $PdbPath 2>&1 | Set-Content -Encoding utf8 $pdbSymbols | |
| if ($LASTEXITCODE -ne 0) { throw "llvm-pdbutil symbol dump failed for $PdbPath" } | |
| # Build exact project-source and object-name indexes from the selected roots. | |
| # Exact source provenance from `llvm-pdbutil dump -modules -files` is preferred: | |
| # basename-only object matching can otherwise admit an unrelated vendor object when | |
| # a dependency happens to compile a source with the same filename (for example, | |
| # WinSparkle src/settings.cpp vs wxWidgets src/msw/settings.cpp). | |
| $projectSources = [System.Collections.Generic.List[string]]::new() | |
| $projectSourceSet = [System.Collections.Generic.HashSet[string]]::new([System.StringComparer]::OrdinalIgnoreCase) | |
| $objectNeedles = [System.Collections.Generic.HashSet[string]]::new([System.StringComparer]::OrdinalIgnoreCase) | |
| foreach ($rootInput in $ProjectSourceRoots) { | |
| $root = (Resolve-Path $rootInput).Path | |
| Get-ChildItem -Path $root -Recurse -File | Where-Object { | |
| $_.Extension -in @(".c", ".cc", ".cpp", ".cxx", ".c++") | |
| } | ForEach-Object { | |
| $normalized = Normalize-SourcePath -PathValue $_.FullName | |
| $projectSources.Add($_.FullName) | |
| [void]$projectSourceSet.Add($normalized) | |
| [void]$objectNeedles.Add(($_.Name + ".obj")) | |
| [void]$objectNeedles.Add(($_.BaseName + ".obj")) | |
| } | |
| } | |
| if ($projectSources.Count -eq 0) { | |
| throw "No project source files found under: $($ProjectSourceRoots -join ', ')" | |
| } | |
| # Parse the Files section, where llvm-pdbutil groups source/header paths by Mod. | |
| # A module is project-owned when at least one exact compiled source path from the | |
| # selected source roots is present in that module's file provenance. | |
| $provenanceModules = [System.Collections.Generic.HashSet[string]]::new([System.StringComparer]::OrdinalIgnoreCase) | |
| $moduleLines = Get-Content $pdbModules | |
| $inFilesSection = $false | |
| $currentFileModule = "" | |
| foreach ($line in $moduleLines) { | |
| if ($line -match '^\s*Files\s*$') { | |
| $inFilesSection = $true | |
| $currentFileModule = "" | |
| continue | |
| } | |
| if (-not $inFilesSection) { continue } | |
| if ($line -match '^\s*Mod\s+\d+\s+\|\s+`([^`]+)`') { | |
| $currentFileModule = $Matches[1] | |
| continue | |
| } | |
| if (-not [string]::IsNullOrWhiteSpace($currentFileModule) -and | |
| $line -match '^\s*-\s+\([^)]*\)\s+(.+)$') { | |
| $sourcePath = Normalize-SourcePath -PathValue $Matches[1] | |
| if ($projectSourceSet.Contains($sourcePath)) { | |
| [void]$provenanceModules.Add($currentFileModule) | |
| } | |
| } | |
| } | |
| $useProvenanceOwnership = $provenanceModules.Count -gt 0 | |
| $ownershipMethod = if ($useProvenanceOwnership) { | |
| "pdb-module-file-provenance" | |
| } else { | |
| "source-derived-object-name-fallback" | |
| } | |
| function Test-ProjectModule { | |
| param( | |
| [Parameter(Mandatory = $true)] | |
| [AllowEmptyString()] | |
| [string]$ModuleName | |
| ) | |
| if ([string]::IsNullOrWhiteSpace($ModuleName)) { return $false } | |
| if ($useProvenanceOwnership) { | |
| return $provenanceModules.Contains($ModuleName) | |
| } | |
| # Fallback for PDBs/tool versions that do not expose usable module-file | |
| # provenance. CMake/Ninja commonly uses foo.cpp.obj while MSBuild commonly | |
| # uses foo.obj, so retain both spellings. | |
| $lower = $ModuleName.ToLowerInvariant() | |
| foreach ($needleValue in $objectNeedles) { | |
| $needle = $needleValue.ToLowerInvariant() | |
| if ($lower -eq $needle -or | |
| $lower.EndsWith("\$needle") -or | |
| $lower.EndsWith("/$needle") -or | |
| $lower.Contains("($needle)")) { | |
| return $true | |
| } | |
| } | |
| return $false | |
| } | |
| $symbolLines = Get-Content $pdbSymbols | |
| $currentModule = "" | |
| $pendingProc = $null | |
| $awaitingCompile3Flags = $false | |
| $procedures = [System.Collections.Generic.List[object]]::new() | |
| $selectedModules = [System.Collections.Generic.HashSet[string]]::new([System.StringComparer]::OrdinalIgnoreCase) | |
| $globalCompile3Count = 0 | |
| $selectedCompile3Count = 0 | |
| $selectedLtcgCompile3Count = 0 | |
| $globalOptSpeedFrameCount = 0 | |
| $selectedOptSpeedFrameCount = 0 | |
| foreach ($line in $symbolLines) { | |
| if ($line -match '^\s*Mod\s+\d+\s+\|\s+`([^`]+)`') { | |
| $currentModule = $Matches[1] | |
| $pendingProc = $null | |
| $awaitingCompile3Flags = $false | |
| if (Test-ProjectModule -ModuleName $currentModule) { | |
| [void]$selectedModules.Add($currentModule) | |
| } | |
| continue | |
| } | |
| $isProjectModule = Test-ProjectModule -ModuleName $currentModule | |
| if ($line -match 'S_COMPILE3') { | |
| $globalCompile3Count++ | |
| if ($isProjectModule) { $selectedCompile3Count++ } | |
| $awaitingCompile3Flags = $true | |
| continue | |
| } | |
| if ($awaitingCompile3Flags -and $line -match 'flags\s*=\s*(.*)$') { | |
| if ($isProjectModule -and $Matches[1] -match '(?i)ltcg') { | |
| $selectedLtcgCompile3Count++ | |
| } | |
| $awaitingCompile3Flags = $false | |
| } | |
| if ($line -match 'flags\s*=.*opt speed') { | |
| $globalOptSpeedFrameCount++ | |
| if ($isProjectModule) { $selectedOptSpeedFrameCount++ } | |
| } | |
| if ($line -match 'S_[A-Z0-9_]*PROC32(?:_ID)?\s+\[.*\]\s+`([^`]+)`') { | |
| $pendingProc = $Matches[1] | |
| continue | |
| } | |
| if ($null -ne $pendingProc -and $line -match 'addr\s*=\s*([0-9A-Fa-f]+):([0-9A-Fa-f]+),\s*code size\s*=\s*([0-9]+)') { | |
| $name = [string]$pendingProc | |
| $leaf = $name | |
| if ($leaf.Contains("::")) { $leaf = $leaf.Substring($leaf.LastIndexOf("::") + 2) } | |
| if ($leaf.Contains("(")) { $leaf = $leaf.Substring(0, $leaf.IndexOf("(")) } | |
| $procedures.Add([pscustomobject]@{ | |
| module = $currentModule | |
| project_owned = $isProjectModule | |
| raw_name = $name | |
| leaf_name = $leaf | |
| address = ($Matches[1] + ":" + $Matches[2]) | |
| code_size = [int]$Matches[3] | |
| }) | |
| $pendingProc = $null | |
| } | |
| } | |
| if ($selectedModules.Count -eq 0) { | |
| throw "No project-owned PDB modules matched the selected source roots" | |
| } | |
| if ($globalCompile3Count -eq 0) { | |
| throw "No S_COMPILE3 records found in linked PDB" | |
| } | |
| if ($selectedCompile3Count -eq 0) { | |
| throw "No S_COMPILE3 records found for project-owned compilands" | |
| } | |
| if ($selectedLtcgCompile3Count -ne 0) { | |
| throw "Project-owned compilands unexpectedly report LTCG" | |
| } | |
| $projectProcedures = @($procedures | Where-Object { $_.project_owned -and $_.code_size -gt 0 }) | |
| if ($projectProcedures.Count -eq 0) { | |
| throw "No project-owned procedure records were recovered from the PDB" | |
| } | |
| function Get-CollisionStats { | |
| param( | |
| [Parameter(Mandatory = $true)][object[]]$Rows, | |
| [Parameter(Mandatory = $true)][string]$Property | |
| ) | |
| $groups = @($Rows | Group-Object -Property $Property) | |
| $collisionGroups = @($groups | Where-Object { | |
| @($_.Group | Select-Object -ExpandProperty address -Unique).Count -gt 1 | |
| }) | |
| $collisionAddresses = 0 | |
| foreach ($group in $collisionGroups) { | |
| $collisionAddresses += @($group.Group | Select-Object -ExpandProperty address -Unique).Count | |
| } | |
| $allAddresses = @($Rows | Select-Object -ExpandProperty address -Unique).Count | |
| $rate = if ($allAddresses -gt 0) { | |
| [math]::Round(100.0 * $collisionAddresses / $allAddresses, 2) | |
| } else { 0.0 } | |
| return [ordered]@{ | |
| source_function_addresses = $allAddresses | |
| unique_names = $groups.Count | |
| collision_groups = $collisionGroups.Count | |
| collision_addresses = $collisionAddresses | |
| collision_rate_pct = $rate | |
| } | |
| } | |
| $rawStats = Get-CollisionStats -Rows $projectProcedures -Property "raw_name" | |
| $leafStats = Get-CollisionStats -Rows $projectProcedures -Property "leaf_name" | |
| $summary = [ordered]@{ | |
| schema = "decbench-native-msvc-pdb-qualification-v2" | |
| target = $TargetName | |
| optimization = $Mode | |
| architecture = "x86_64" | |
| linked_image = [System.IO.Path]::GetFileName($BinaryPath) | |
| pdb = [System.IO.Path]::GetFileName($PdbPath) | |
| ground_truth = "native MSVC PDB / CodeView" | |
| project_ownership_method = $ownershipMethod | |
| project_source_file_count = $projectSources.Count | |
| project_object_name_candidates = @($objectNeedles | Sort-Object) | |
| project_provenance_compiland_count = $provenanceModules.Count | |
| project_compiland_count = $selectedModules.Count | |
| project_compilands = @($selectedModules | Sort-Object) | |
| pdb_compile3_records_global = $globalCompile3Count | |
| pdb_compile3_records_selected = $selectedCompile3Count | |
| pdb_ltcg_compile3_records_selected = $selectedLtcgCompile3Count | |
| pdb_optimized_frame_records_global = $globalOptSpeedFrameCount | |
| pdb_optimized_frame_records_selected = $selectedOptSpeedFrameCount | |
| project_procedure_records = $projectProcedures.Count | |
| raw_pdb_name_collision = $rawStats | |
| leaf_name_collision_heuristic = $leafStats | |
| caveats = @( | |
| "The PDB raw-name collision metric is a CodeView diagnostic and is not asserted to be numerically equivalent to DecBench's DWARF DW_AT_name metric.", | |
| "Project ownership uses exact PDB module/file source provenance when available; source-derived object-name matching is only a fallback for PDBs without usable provenance.", | |
| "FRAMEPROC OptimizedForSpeed counts are diagnostic only and are not used as the optimization-mode oracle.", | |
| "This is target/oracle qualification, not an end-to-end DecBench GED/type/byte benchmark run." | |
| ) | |
| } | |
| $summary | ConvertTo-Json -Depth 8 | Set-Content -Encoding utf8 (Join-Path $EvidenceRoot "qualification.json") | |
| $projectProcedures | ConvertTo-Json -Depth 5 | Set-Content -Encoding utf8 (Join-Path $EvidenceRoot "project-procedures.json") | |
| Write-Host "PASS $TargetName $Mode native MSVC/PDB oracle qualification" | |
| Write-Host " ownership method: $ownershipMethod" | |
| Write-Host " project source files: $($projectSources.Count)" | |
| Write-Host " project compilands: $($selectedModules.Count)" | |
| Write-Host " project procedures: $($projectProcedures.Count)" | |
| Write-Host " selected S_COMPILE3: $selectedCompile3Count" | |
| Write-Host " selected LTCG S_COMPILE3: $selectedLtcgCompile3Count" | |
| Write-Host " raw-name collision: $($rawStats.collision_rate_pct)%" | |
| Write-Host " leaf-name heuristic: $($leafStats.collision_rate_pct)%" | |