54bf45519f
And also make sure that even long names don't get truncated. Fixed: chromium:1216284 Change-Id: I2792b60ddeb40a87816cb54fb0414ef0dea45da0 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2947409 Commit-Queue: Jakob Kummerow <jkummerow@chromium.org> Reviewed-by: Benedikt Meurer <bmeurer@chromium.org> Cr-Commit-Position: refs/heads/master@{#75059}
229 lines
8.2 KiB
JavaScript
229 lines
8.2 KiB
JavaScript
// Copyright 2021 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --experimental-wasm-gc
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utils.load('test/inspector/wasm-inspector-test.js');
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const {session, contextGroup, Protocol} =
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InspectorTest.start('Tests GC object inspection.');
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session.setupScriptMap();
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const module_bytes = [
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0x00, 0x61, 0x73, 0x6d, 1, 0, 0, 0, // wasm magic
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0x01, // type section
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0x16, // section length
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0x04, // number of types
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// type 0: struct $StrA (field ($byte i8) ($word i16) ($pointer (ref $StrB)))
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0x5f, // struct
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0x03, // field count
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0x7a, 0x01, // mut i8
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0x79, 0x00, // i16
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0x6b, 0x01, 0x01, // mut ref $StrB
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// type 1: struct $StrB (field ($next (ref null $StrA)))
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0x5f, // struct
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0x01, // field count
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0x6c, 0x00, 0x01, // mut ref null $StrA
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// type 2: array $ArrC (mut (ref null $StrA))
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0x5e, // array
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0x6c, 0x00, 0x01, // mut ref null $StrA
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// type 3: func
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0x60, // signature
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0x00, // number of params
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0x00, // number of results
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0x03, // function section
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0x02, // section length
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0x01, // number of functions
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0x03, // function 0: signature 3
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// This is just so that function index 0 counts as declared.
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0x06, // global section
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0x07, // section length
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0x01, // number of globals
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0x6c, 0x03, // type of global: ref null $sig3
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0x00, // immutable
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0xd2, 0x00, 0x0b, // initializer: ref.func $func1; end
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0x07, // export section
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0x08, // section length
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0x01, // number of exports
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0x04, // length of "main"
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0x6d, 0x61, 0x69, 0x6e, // "main"
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0x00, // kind: function
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0x00, // index: 0
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/////////////////////////// CODE SECTION //////////////////////////
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0x0a, // code section
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0x35, // section length
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0x01, // number of functions
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0x33, // function 0: size
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0x02, // number of locals
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0x01, 0x6c, 0x00, // (local $varA (ref null $StrA))
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0x01, 0x6c, 0x02, // (local $varC (ref null $ArrC))
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// $varA := new $StrA(127, 32767, new $StrB(null))
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0x41, 0xFF, 0x00, // i32.const 127
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0x41, 0xFF, 0xFF, 0x01, // i32.const 32767
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0xfb, 0x30, 0x01, // rtt.canon $StrB
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0xfb, 0x02, 0x01, // struct.new_default_with_rtt $StrB
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0xfb, 0x30, 0x00, // rtt.canon $StrA
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0xfb, 0x01, 0x00, // struct.new_with_rtt $StrA
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0x22, 0x00, // local.tee $varA
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// $varA.$pointer.$next = $varA
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0xfb, 0x03, 0x00, 0x02, // struct.get $StrA $pointer
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0x20, 0x00, // local.get $varA
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0xfb, 0x06, 0x01, 0x00, // struct.set $StrB $next
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// $varC := new $ArrC($varA)
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0x20, 0x00, // local.get $varA -- value
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0x41, 0x01, // i32.const 1 -- length
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0xfb, 0x30, 0x02, // rtt.canon $ArrC
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0xfb, 0x11, 0x02, // array.new_with_rtt $ArrC
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0x21, 0x01, // local.set $varC
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0x0b, // end
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/////////////////////////// NAME SECTION //////////////////////////
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0x00, // name section
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0xd4, 0x01, // section length
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0x04, // length of "name"
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0x6e, 0x61, 0x6d, 0x65, // "name"
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0x02, // "local names" subsection
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0x0f, // length of subsection
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0x01, // number of entries
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0x00, // for function 0
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0x02, // number of entries for function 0
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0x00, // local index
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0x04, // length of "varA"
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0x76, 0x61, 0x72, 0x41, // "varA"
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0x01, // local index
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0x04, // length of "varB"
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0x76, 0x61, 0x72, 0x42, // "varB"
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0x04, // "type names" subsection
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0x99, 0x01, // length of subsection
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0x03, // number of entries
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0x00, // type index
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0x04, // name length
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0x53, 0x74, 0x72, 0x41, // "StrA"
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0x01, // type index
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0x89, 0x01, // name length
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// Called "$StrB" in other comments, actual name:
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// "veryLongNameWithMoreThanOneHundredAndTwentyEightCharactersToTestThat
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// WeAreHandlingStringBufferOverflowWithoutCrashing_ThisWontGetTruncated"
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0x76, 0x65, 0x72, 0x79, 0x4c, 0x6f, 0x6e, 0x67, 0x4e, 0x61, 0x6d, 0x65, 0x57,
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0x69, 0x74, 0x68, 0x4d, 0x6f, 0x72, 0x65, 0x54, 0x68, 0x61, 0x6e, 0x4f, 0x6e,
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0x65, 0x48, 0x75, 0x6e, 0x64, 0x72, 0x65, 0x64, 0x41, 0x6e, 0x64, 0x54, 0x77,
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0x65, 0x6e, 0x74, 0x79, 0x45, 0x69, 0x67, 0x68, 0x74, 0x43, 0x68, 0x61, 0x72,
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0x61, 0x63, 0x74, 0x65, 0x72, 0x73, 0x54, 0x6f, 0x54, 0x65, 0x73, 0x74, 0x54,
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0x68, 0x61, 0x74, 0x57, 0x65, 0x41, 0x72, 0x65, 0x48, 0x61, 0x6e, 0x64, 0x6c,
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0x69, 0x6e, 0x67, 0x53, 0x74, 0x72, 0x69, 0x6e, 0x67, 0x42, 0x75, 0x66, 0x66,
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0x65, 0x72, 0x4f, 0x76, 0x65, 0x72, 0x66, 0x6c, 0x6f, 0x77, 0x57, 0x69, 0x74,
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0x68, 0x6f, 0x75, 0x74, 0x43, 0x72, 0x61, 0x73, 0x68, 0x69, 0x6e, 0x67, 0x5f,
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0x54, 0x68, 0x69, 0x73, 0x57, 0x6f, 0x6e, 0x74, 0x47, 0x65, 0x74, 0x54, 0x72,
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0x75, 0x6e, 0x63, 0x61, 0x74, 0x65, 0x64,
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0x02, // type index
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0x04, // name length
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0x41, 0x72, 0x72, 0x43, // "ArrC"
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0x0a, // "field names" subsection
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0x20, // length of subsection
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0x02, // number of types
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0x00, // for type $StrA
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0x03, // number of entries for $StrA
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0x00, // field index 0
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0x04, // length of "byte"
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0x62, 0x79, 0x74, 0x65, // "byte"
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0x01, // field index 1
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0x04, // length of "word"
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0x77, 0x6f, 0x72, 0x64, // "word"
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0x02, // field index 2
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0x07, // length of "pointer"
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0x70, 0x6f, 0x69, 0x6e, 0x74, 0x65, 0x72, // "pointer"
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0x01, // for type $StrB
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0x01, // number of entries for $StrB
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0x00, // field index
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0x04, // length of "next"
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0x6e, 0x65, 0x78, 0x74, // "next"
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];
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const getResult = msg => msg.result || InspectorTest.logMessage(msg);
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function setBreakpoint(offset, scriptId, scriptUrl) {
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InspectorTest.log(
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'Setting breakpoint at offset ' + offset + ' on script ' + scriptUrl);
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return Protocol.Debugger
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.setBreakpoint({
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'location':
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{'scriptId': scriptId, 'lineNumber': 0, 'columnNumber': offset}
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})
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.then(getResult);
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}
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Protocol.Debugger.onPaused(async msg => {
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let loc = msg.params.callFrames[0].location;
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InspectorTest.log('Paused:');
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await session.logSourceLocation(loc);
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InspectorTest.log('Scope:');
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for (var frame of msg.params.callFrames) {
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var functionName = frame.functionName || '(anonymous)';
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var lineNumber = frame.location.lineNumber;
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var columnNumber = frame.location.columnNumber;
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InspectorTest.log(`at ${functionName} (${lineNumber}:${columnNumber}):`);
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if (!/^wasm/.test(frame.url)) {
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InspectorTest.log(' -- skipped');
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continue;
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}
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for (var scope of frame.scopeChain) {
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InspectorTest.logObject(' - scope (' + scope.type + '):');
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var { objectId } = scope.object;
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if (scope.type == 'wasm-expression-stack') {
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objectId = (await Protocol.Runtime.callFunctionOn({
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functionDeclaration: 'function() { return this.stack }',
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objectId
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})).result.result.objectId;
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}
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var properties =
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await Protocol.Runtime.getProperties({objectId});
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await WasmInspectorTest.dumpScopeProperties(properties);
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if (scope.type === 'wasm-expression-stack' || scope.type === 'local') {
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for (var value of properties.result.result) {
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var details = await Protocol.Runtime.getProperties(
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{objectId: value.value.objectId});
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var nested_value =
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details.result.result.find(({name}) => name === 'value');
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if (!nested_value.value.objectId) continue;
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details = await Protocol.Runtime.getProperties(
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{objectId: nested_value.value.objectId});
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InspectorTest.log(' object details:');
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await WasmInspectorTest.dumpScopeProperties(details);
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}
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}
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}
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}
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Protocol.Debugger.resume();
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});
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InspectorTest.runAsyncTestSuite([
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async function test() {
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await Protocol.Runtime.enable();
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await Protocol.Debugger.enable();
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InspectorTest.log('Instantiating.');
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// Spawn asynchronously:
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WasmInspectorTest.instantiate(module_bytes);
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InspectorTest.log(
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'Waiting for wasm script (ignoring first non-wasm script).');
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// Ignore javascript and full module wasm script, get scripts for functions.
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const [, {params: wasm_script}] =
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await Protocol.Debugger.onceScriptParsed(2);
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let offset = 107; // "local.set $varC" at the end.
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await setBreakpoint(offset, wasm_script.scriptId, wasm_script.url);
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InspectorTest.log('Calling main()');
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await WasmInspectorTest.evalWithUrl('instance.exports.main()', 'runWasm');
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InspectorTest.log('exports.main returned!');
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}
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]);
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