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[browser] new EmccEnableAssertions and EmccEnvironment MSBuild props #82954

Merged
merged 16 commits into from
Mar 15, 2023
Merged
Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,9 @@
<EnableAggressiveTrimming>true</EnableAggressiveTrimming>
<PublishTrimmed>true</PublishTrimmed>
<WasmEnableWebcil>true</WasmEnableWebcil>
<WasmEmitSymbolMap>true</WasmEmitSymbolMap>
<EmccEnableAssertions>true</EmccEnableAssertions>
<EmccEnvironment>web</EmccEnvironment>
<!-- add OpenGL emulation -->
<EmccExtraLDFlags> -s USE_CLOSURE_COMPILER=1 -s LEGACY_GL_EMULATION=1 -lGL -lSDL -lidbfs.js</EmccExtraLDFlags>
<!-- just to prove we don't do JS eval() -->
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2 changes: 0 additions & 2 deletions src/mono/wasi/build/WasiApp.Native.targets
Original file line number Diff line number Diff line change
Expand Up @@ -291,8 +291,6 @@
<!--<_WasmEHLib Condition="'$(WasmEnableExceptionHandling)' != 'true'">libmono-wasm-eh-js.a</_WasmEHLib>-->
<!--<_WasmEHLibToExclude Condition="'$(WasmEnableExceptionHandling)' == 'true'">libmono-wasm-eh-js.a</_WasmEHLibToExclude>-->
<!--<_WasmEHLibToExclude Condition="'$(WasmEnableExceptionHandling)' != 'true'">libmono-wasm-eh-wasm.a</_WasmEHLibToExclude>-->
<!--<_EmccExportedRuntimeMethods>&quot;[@(EmccExportedRuntimeMethod -> '%27%(Identity)%27', ',')]&quot;</_EmccExportedRuntimeMethods>-->
<!--<_EmccExportedFunctions>@(EmccExportedFunction -> '%(Identity)',',')</_EmccExportedFunctions>-->
<!--</PropertyGroup>-->
<!--<ItemGroup>-->
<!--[> order matters <]-->
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8 changes: 5 additions & 3 deletions src/mono/wasm/build/WasmApp.Native.targets
Original file line number Diff line number Diff line change
Expand Up @@ -170,7 +170,6 @@

<_WasmDevel Condition="'$(_WasmDevel)' == '' and '$(WasmBuildNative)' == 'true' and '$(Configuration)' == 'Debug'">true</_WasmDevel>

<_EmccAssertionLevelDefault Condition="'$(_EmccAssertionLevelDefault)' == ''">0</_EmccAssertionLevelDefault>
<_EmccOptimizationFlagDefault Condition="'$(_WasmDevel)' == 'true'">-O0</_EmccOptimizationFlagDefault>
<_EmccOptimizationFlagDefault Condition="'$(_EmccOptimizationFlagDefault)' == '' and '$(Configuration)' == 'Debug' and '$(WasmBuildingForNestedPublish)' != 'true'">-O1</_EmccOptimizationFlagDefault>
<_EmccOptimizationFlagDefault Condition="'$(_EmccOptimizationFlagDefault)' == ''">-Oz</_EmccOptimizationFlagDefault>
Expand Down Expand Up @@ -209,7 +208,6 @@

<!-- Adding optimization flag at the top, so it gets precedence -->
<_EmccCFlags Include="$(EmccCompileOptimizationFlag)" />
<_EmccCFlags Include="-s ASSERTIONS=$(_EmccAssertionLevelDefault)" Condition="'$(_WasmDevel)' == 'true'" />
<_EmccCFlags Include="@(_EmccCommonFlags)" />

<_EmccCFlags Include="-DDISABLE_PERFTRACING_LISTEN_PORTS=1" />
Expand All @@ -227,7 +225,6 @@

<!-- Adding optimization flag at the top, so it gets precedence -->
<_EmccLDFlags Include="$(EmccLinkOptimizationFlag)" />
<_EmccLDFlags Include="-s ASSERTIONS=$(_EmccAssertionLevelDefault)" Condition="'$(_WasmDevel)' == 'true'" />
<_EmccLDFlags Include="@(_EmccCommonFlags)" />

<_DriverCDependencies Include="$(_WasmPInvokeHPath);$(_WasmICallTablePath)" />
Expand Down Expand Up @@ -416,14 +413,18 @@
<_WasmEHLib Condition="'$(WasmEnableExceptionHandling)' != 'true'">libmono-wasm-eh-js.a</_WasmEHLib>
<_WasmEHLibToExclude Condition="'$(WasmEnableExceptionHandling)' == 'true'">libmono-wasm-eh-js.a</_WasmEHLibToExclude>
<_WasmEHLibToExclude Condition="'$(WasmEnableExceptionHandling)' != 'true'">libmono-wasm-eh-wasm.a</_WasmEHLibToExclude>
<_EmccExportedLibraryFunction>&quot;[@(EmccExportedLibraryFunction -> '%27%(Identity)%27', ',')]&quot;</_EmccExportedLibraryFunction>
<_EmccExportedRuntimeMethods>&quot;[@(EmccExportedRuntimeMethod -> '%27%(Identity)%27', ',')]&quot;</_EmccExportedRuntimeMethods>
<_EmccExportedFunctions>@(EmccExportedFunction -> '%(Identity)',',')</_EmccExportedFunctions>
</PropertyGroup>
<ItemGroup>
<!-- order matters -->
<!-- some flags will be duplicated on the commandline and in the .rsp file. The last wins. -->
<_EmccLDSFlags Include="-s INITIAL_MEMORY=$(EmccInitialHeapSize)" />
<_EmccLDSFlags Include="-s STACK_SIZE=$(EmccStackSize)" />
<_EmccLDSFlags Include="-s WASM_BIGINT=1" />
<_EmccLDSFlags Condition="'$(EmccEnvironment)' != ''" Include="-s ENVIRONMENT=&quot;$(EmccEnvironment)&quot;" />
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<_EmccLDSFlags Condition="'$(EmccEnableAssertions)' == 'true'" Include="-s ASSERTIONS=1" />

<_WasmNativeFileForLinking Include="%(_BitcodeFile.ObjectFile)" />
<_WasmNativeFileForLinking Include="%(_WasmSourceFileToCompile.ObjectFile)" />
Expand All @@ -449,6 +450,7 @@
<_EmccLinkStepArgs Include="-o &quot;$(_WasmIntermediateOutputPath)dotnet.js&quot;" />
<_WasmLinkDependencies Include="$(_EmccLinkRsp)" />

<_EmccLinkStepArgs Include="-s DEFAULT_LIBRARY_FUNCS_TO_INCLUDE=$(_EmccExportedLibraryFunction)" Condition="'$(_EmccExportedLibraryFunction)' != ''" />
<_EmccLinkStepArgs Include="-s EXPORTED_RUNTIME_METHODS=$(_EmccExportedRuntimeMethods)" />
<_EmccLinkStepArgs Include="-s EXPORTED_FUNCTIONS=$(_EmccExportedFunctions)" />

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4 changes: 3 additions & 1 deletion src/mono/wasm/build/WasmApp.targets
Original file line number Diff line number Diff line change
Expand Up @@ -49,6 +49,8 @@
- $(EmccFlags) - Emcc flags used for both compiling native files, and linking
- $(EmccExtraLDFlags) - Extra emcc flags for linking
- $(EmccExtraCFlags) - Extra emcc flags for compiling native files
- $(EmccEnableAssertions) - Corresponds to `ASSERTIONS` arg for emcc. Default false.
- $(EmccEnvironment) - Corresponds to `ENVIRONMENT` arg for emcc. Default is `web,webview,worker,node,shell`.
- $(EmccInitialHeapSize) - Initial heap size specified with `emcc`. Default value: 16777216 or size of the DLLs, whichever is larger.
Corresponds to `-s INITIAL_MEMORY=...` emcc arg.
(previously named EmccTotalMemory, which is still kept as an alias)
Expand Down Expand Up @@ -90,6 +92,7 @@
<WasmExtraConfig Include="string_val" Value="&quot;abc&quot;" />
<WasmExtraConfig Include="string_with_json" Value="&quot;{ &quot;abc&quot;: 4 }&quot;" />
- @(EmccExportedRuntimeMethod) - Extra method for emcc flag EXPORTED_RUNTIME_METHODS
- @(EmccExportedLibraryFunction) - Extra method for emcc flag DEFAULT_LIBRARY_FUNCS_TO_INCLUDE
- @(EmccExportedFunction) - Extra function for emcc flag EXPORTED_FUNCTIONS
-->

Expand Down Expand Up @@ -341,7 +344,6 @@
Condition="'$(WasmEmitSymbolMap)' == 'true' and
'$(_HasDotnetJsSymbols)' != 'true' and
Exists('$(MicrosoftNetCoreAppRuntimePackRidNativeDir)dotnet.js.symbols')" />
<WasmFilesToIncludeInFileSystem Include="@(WasmNativeAsset)" Condition="'%(WasmNativeAsset.FileName)%(WasmNativeAsset.Extension)' == 'dotnet.js.symbols'" />
</ItemGroup>

<ItemGroup Condition="'$(InvariantGlobalization)' != 'true'">
Expand Down
35 changes: 29 additions & 6 deletions src/mono/wasm/runtime/assets.ts
Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@
import cwraps from "./cwraps";
import { mono_wasm_load_icu_data } from "./icu";
import { ENVIRONMENT_IS_NODE, ENVIRONMENT_IS_SHELL, ENVIRONMENT_IS_WEB, Module, runtimeHelpers } from "./imports";
import { parseSymbolMapFile } from "./logging";
import { mono_wasm_load_bytes_into_heap } from "./memory";
import { endMeasure, MeasuredBlock, startMeasure } from "./profiler";
import { createPromiseController, PromiseAndController } from "./promise-controller";
Expand Down Expand Up @@ -36,6 +37,7 @@ const skipBufferByAssetTypes: {
[k: string]: boolean
} = {
"dotnetwasm": true,
"symbols": true,
};

const containedInSnapshotByAssetTypes: {
Expand All @@ -57,6 +59,7 @@ const skipInstantiateByAssetTypes: {
} = {
"js-module-threads": true,
"dotnetwasm": true,
"symbols": true,
};

export function shouldLoadIcuAsset(asset: AssetEntryInternal): boolean {
Expand Down Expand Up @@ -119,9 +122,7 @@ export async function mono_download_assets(): Promise<void> {
countAndStartDownload(asset);
} else {
// Otherwise cleanup in case we were given pending download. It would be even better if we could abort the download.
asset.pendingDownloadInternal = null as any; // GC
asset.pendingDownload = null as any; // GC
asset.buffer = null as any; // GC
cleanupAsset(asset);
// tell the debugger it is loaded
if (asset.behavior == "resource" || asset.behavior == "assembly" || asset.behavior == "pdb") {
const url = resolve_path(asset, "");
Expand All @@ -144,15 +145,17 @@ export async function mono_download_assets(): Promise<void> {
const url = asset.pendingDownloadInternal!.url;
mono_assert(asset.buffer && typeof asset.buffer === "object", "asset buffer must be array or buffer like");
const data = new Uint8Array(asset.buffer!);
asset.pendingDownloadInternal = null as any; // GC
asset.pendingDownload = null as any; // GC
asset.buffer = null as any; // GC
cleanupAsset(asset);

// wait till after onRuntimeInitialized and after memory snapshot is loaded or skipped
await memorySnapshotSkippedOrDone.promise;
await beforeOnRuntimeInitialized.promise;
_instantiate_asset(asset, url, data);
}
if (asset.behavior === "symbols") {
await instantiate_symbols_asset(asset);
cleanupAsset(asset);
}
} else {
const headersOnly = skipBufferByAssetTypes[asset.behavior];
if (!headersOnly) {
Expand Down Expand Up @@ -415,6 +418,7 @@ function _instantiate_asset(asset: AssetEntry, url: string, bytes: Uint8Array) {
switch (asset.behavior) {
case "dotnetwasm":
case "js-module-threads":
case "symbols":
// do nothing
break;
case "resource":
Expand Down Expand Up @@ -516,6 +520,18 @@ export async function instantiate_wasm_asset(
successCallback(compiledInstance, compiledModule);
}

export async function instantiate_symbols_asset(
pendingAsset: AssetEntryInternal,
): Promise<void> {
try {
const response = await pendingAsset.pendingDownloadInternal!.response;
const text = await response.text();
parseSymbolMapFile(text);
} catch (error: any) {
console.log(`MONO_WASM: Error loading symbol file ${pendingAsset.name}: ${JSON.stringify(error)}`);
}
}

// used from Blazor
export function mono_wasm_load_data_archive(data: Uint8Array, prefix: string): boolean {
if (data.length < 8)
Expand Down Expand Up @@ -580,3 +596,10 @@ export async function wait_for_all_assets() {
export function mono_wasm_get_loaded_files(): string[] {
return runtimeHelpers.loadedFiles;
}

export function cleanupAsset(asset: AssetEntryInternal) {
// give GC change to collect resources
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asset.pendingDownloadInternal = null as any; // GC
asset.pendingDownload = null as any; // GC
asset.buffer = null as any; // GC
}
3 changes: 1 addition & 2 deletions src/mono/wasm/runtime/dotnet.d.ts
Original file line number Diff line number Diff line change
Expand Up @@ -59,7 +59,6 @@ declare interface EmscriptenModule {
UTF8ArrayToString(u8Array: Uint8Array, idx?: number, maxBytesToRead?: number): string;
FS_createPath(parent: string, path: string, canRead?: boolean, canWrite?: boolean): string;
FS_createDataFile(parent: string, name: string, data: TypedArray, canRead: boolean, canWrite: boolean, canOwn?: boolean): string;
FS_readFile(filename: string, opts: any): any;
addFunction(fn: Function, signature: string): number;
stackSave(): VoidPtr;
stackRestore(stack: VoidPtr): void;
Expand Down Expand Up @@ -178,7 +177,7 @@ interface AssetEntry extends ResourceRequest {
*/
pendingDownload?: LoadingResource;
}
type AssetBehaviours = "resource" | "assembly" | "pdb" | "heap" | "icu" | "vfs" | "dotnetwasm" | "js-module-threads";
type AssetBehaviours = "resource" | "assembly" | "pdb" | "heap" | "icu" | "vfs" | "dotnetwasm" | "js-module-threads" | "symbols";
type GlobalizationMode = "icu" | // load ICU globalization data from any runtime assets with behavior "icu".
"invariant" | // operate in invariant globalization mode.
"auto";
Expand Down
5 changes: 3 additions & 2 deletions src/mono/wasm/runtime/jiterpreter-jit-call.ts
Original file line number Diff line number Diff line change
Expand Up @@ -156,6 +156,9 @@ class TrampolineInfo {
}
}

// this is cached replacements for Module.getWasmTableEntry();
// we could add <EmccExportedLibraryFunction Include="$getWasmTableEntry" /> and <EmccExportedRuntimeMethod Include="getWasmTableEntry" />
// if we need to export the original
function getWasmTableEntry (index: number) {
let result = fnCache[index];
if (!result) {
Expand All @@ -172,8 +175,6 @@ function getWasmTableEntry (index: number) {
export function mono_interp_invoke_wasm_jit_call_trampoline (
thunkIndex: number, ret_sp: number, sp: number, ftndesc: number, thrown: NativePointer
) {
// FIXME: It's impossible to get emscripten to export this for some reason
// const thunk = <Function>Module.getWasmTableEntry(thunkIndex);
const thunk = <Function>getWasmTableEntry(thunkIndex);
try {
thunk(ret_sp, sp, ftndesc, thrown);
Expand Down
43 changes: 13 additions & 30 deletions src/mono/wasm/runtime/logging.ts
Original file line number Diff line number Diff line change
@@ -1,11 +1,10 @@
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.

import BuildConfiguration from "consts:configuration";
import { INTERNAL, Module, runtimeHelpers } from "./imports";
import { CharPtr, VoidPtr } from "./types/emscripten";

const wasm_func_map = new Map<number, string>();
export const wasm_func_map = new Map<number, string>();
const regexes: any[] = [];

// V8
Expand Down Expand Up @@ -183,31 +182,15 @@ export function setup_proxy_console(id: string, console: Console, origin: string
anyConsole[m] = proxyConsoleMethod(`console.${m}`, send, true);
}

export function readSymbolMapFile(filename: string): void {
if (runtimeHelpers.mono_wasm_symbols_are_ready) return;
runtimeHelpers.mono_wasm_symbols_are_ready = true;
try {
const res = Module.FS_readFile(filename, { flags: "r", encoding: "utf8" });
res.split(/[\r\n]/).forEach((line: string) => {
const parts: string[] = line.split(/:/);
if (parts.length < 2)
return;

parts[1] = parts.splice(1).join(":");
wasm_func_map.set(Number(parts[0]), parts[1]);
});
if (BuildConfiguration === "Debug") {
console.debug(`MONO_WASM: Loaded ${wasm_func_map.size} symbols`);
}
} catch (error: any) {
if (error.errno == 44) {// NOENT
if (BuildConfiguration === "Debug") {
console.debug(`MONO_WASM: Could not find symbols file ${filename}. Ignoring.`);
}
}
else {
console.log(`MONO_WASM: Error loading symbol file ${filename}: ${JSON.stringify(error)}`);
}
return;
}
}
export function parseSymbolMapFile(text: string) {
text.split(/[\r\n]/).forEach((line: string) => {
const parts: string[] = line.split(/:/);
if (parts.length < 2)
return;

parts[1] = parts.splice(1).join(":");
wasm_func_map.set(Number(parts[0]), parts[1]);
});

if (runtimeHelpers.diagnosticTracing) console.debug(`MONO_WASM: Loaded ${wasm_func_map.size} symbols`);
}
2 changes: 0 additions & 2 deletions src/mono/wasm/runtime/startup.ts
Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,6 @@ import { init_managed_exports } from "./managed-exports";
import { cwraps_internal } from "./exports-internal";
import { CharPtr, InstantiateWasmCallBack, InstantiateWasmSuccessCallback } from "./types/emscripten";
import { instantiate_wasm_asset, mono_download_assets, resolve_asset_path, start_asset_download, wait_for_all_assets } from "./assets";
import { readSymbolMapFile } from "./logging";
import { mono_wasm_init_diagnostics } from "./diagnostics";
import { preAllocatePThreadWorkerPool, instantiateWasmPThreadWorkerPool } from "./pthreads/browser";
import { export_linker } from "./exports-linker";
Expand Down Expand Up @@ -267,7 +266,6 @@ async function onRuntimeInitializedAsync(userOnRuntimeInitialized: () => void) {

bindings_init();
if (!runtimeHelpers.mono_wasm_runtime_is_ready) mono_wasm_runtime_ready();
if (!runtimeHelpers.mono_wasm_symbols_are_ready) readSymbolMapFile("dotnet.js.symbols");

setTimeout(() => {
// when there are free CPU cycles
Expand Down
2 changes: 1 addition & 1 deletion src/mono/wasm/runtime/types.ts
Original file line number Diff line number Diff line change
Expand Up @@ -206,6 +206,7 @@ export type AssetBehaviours =
| "vfs" // load asset into the virtual filesystem (for fopen, File.Open, etc)
| "dotnetwasm" // the binary of the dotnet runtime
| "js-module-threads" // the javascript module for threads
| "symbols" // the symbols for the wasm native code

export type RuntimeHelpers = {
runtime_interop_module: MonoAssembly;
Expand All @@ -216,7 +217,6 @@ export type RuntimeHelpers = {
_i52_error_scratch_buffer: Int32Ptr;
mono_wasm_runtime_is_ready: boolean;
mono_wasm_bindings_is_ready: boolean;
mono_wasm_symbols_are_ready: boolean;

loaded_files: string[];
maxParallelDownloads: number;
Expand Down
1 change: 0 additions & 1 deletion src/mono/wasm/runtime/types/emscripten.ts
Original file line number Diff line number Diff line change
Expand Up @@ -50,7 +50,6 @@ export declare interface EmscriptenModule {
UTF8ArrayToString(u8Array: Uint8Array, idx?: number, maxBytesToRead?: number): string;
FS_createPath(parent: string, path: string, canRead?: boolean, canWrite?: boolean): string;
FS_createDataFile(parent: string, name: string, data: TypedArray, canRead: boolean, canWrite: boolean, canOwn?: boolean): string;
FS_readFile(filename: string, opts: any): any;
addFunction(fn: Function, signature: string): number;
stackSave(): VoidPtr;
stackRestore(stack: VoidPtr): void;
Expand Down
6 changes: 3 additions & 3 deletions src/mono/wasm/wasm.proj
Original file line number Diff line number Diff line change
Expand Up @@ -197,9 +197,7 @@
<EmccExportedRuntimeMethod Include="FS_createDataFile" />
<EmccExportedRuntimeMethod Include="removeRunDependency" />
<EmccExportedRuntimeMethod Include="addRunDependency" />
<EmccExportedRuntimeMethod Include="FS_readFile" />
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<EmccExportedRuntimeMethod Include="addFunction" />
<EmccExportedRuntimeMethod Include="getWasmTableEntry" />

<EmccExportedFunction Include="_malloc" />
<EmccExportedFunction Include="_memalign" />
Expand Down Expand Up @@ -272,6 +270,7 @@
<EmccExportedFunction Include="_free" />
</ItemGroup>
<PropertyGroup>
<_EmccExportedLibraryFunction>&quot;[@(EmccExportedLibraryFunction -> '%27%(Identity)%27', ',')]&quot;</_EmccExportedLibraryFunction>
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<_EmccExportedRuntimeMethods>&quot;[@(EmccExportedRuntimeMethod -> '%27%(Identity)%27', ',')]&quot;</_EmccExportedRuntimeMethods>
<_EmccExportedFunctions>@(EmccExportedFunction -> '%(Identity)',',')</_EmccExportedFunctions>
<EmccInitialHeapSize>16777216</EmccInitialHeapSize>
Expand All @@ -290,6 +289,7 @@
<_EmccLinkFlags Include="-s ALLOW_TABLE_GROWTH=1" />
<_EmccLinkFlags Include="-s NO_EXIT_RUNTIME=1" />
<_EmccLinkFlags Include="-s FORCE_FILESYSTEM=1" />
<_EmccLinkFlags Condition="'$(_EmccExportedLibraryFunction)' != ''" Include="-s DEFAULT_LIBRARY_FUNCS_TO_INCLUDE=$(_EmccExportedLibraryFunction)" />
<_EmccLinkFlags Include="-s EXPORTED_RUNTIME_METHODS=$(_EmccExportedRuntimeMethods)" />
<_EmccLinkFlags Include="-s EXPORTED_FUNCTIONS=$(_EmccExportedFunctions)" />
<_EmccLinkFlags Include="--source-map-base http://example.com" />
Expand Down Expand Up @@ -375,7 +375,7 @@
<CMakeConfigurationEmccFlags Condition="'$(Configuration)' == 'Debug'">-g -Os -s -DDEBUG=1 -DENABLE_AOT_PROFILER=1 -DENABLE_BROWSER_PROFILER=1</CMakeConfigurationEmccFlags>
<CMakeConfigurationEmccFlags Condition="'$(Configuration)' == 'Release'">-Oz -DENABLE_BROWSER_PROFILER=1</CMakeConfigurationEmccFlags>

<CMakeConfigurationLinkFlags Condition="'$(Configuration)' == 'Debug'" >$(CMakeConfigurationEmccFlags)</CMakeConfigurationLinkFlags>
<CMakeConfigurationLinkFlags Condition="'$(Configuration)' == 'Debug'" >$(CMakeConfigurationEmccFlags) -s ASSERTIONS=1 </CMakeConfigurationLinkFlags>
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<CMakeConfigurationLinkFlags Condition="'$(Configuration)' == 'Release'">-O2</CMakeConfigurationLinkFlags>

<CMakeConfigurationLinkFlags>$(CMakeConfigurationLinkFlags) -s EXPORT_ES6=1</CMakeConfigurationLinkFlags>
Expand Down
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