Laurence, When you try to run the jsc command, are you setting DYLD_FRAMEWORK_PATH to the location of the built frameworks? You can either set it and export it in your shell environment, e.g.
% export DYLD_FRAMEWORK_PATH=/Users/lrowe/scratch/WebKit/WebKitBuild/Release Or prepend the setting of it in your command string: % DYLD_FRAMEWORK_PATH=/Users/lrowe/scratch/WebKit/WebKitBuild/Release lldb ./WebKitBuild/Release/bin/jsc I that doesn’t work, a backtrace at the time of the crash and the output of the lldb command “image list” would be helpful. - Michael > On Mar 27, 2023, at 11:11 PM, Laurence Rowe via webkit-dev > <webkit-dev@lists.webkit.org> wrote: > > Hi, I’m trying to build jsc on my M1 Mac following the instructions at > https://trac.webkit.org/wiki/JSCOnly and https://webkit.org/getting-started/ > . However when I run the built binary it exits immediately with a bus error > which lldb shows to be EXC_BAD_ACCESS. > > lrowe@Laurences-MacBook-Air WebKit % git reset --hard origin/main > HEAD is now at b2362a5d6b [UI-side compositing] Safari occasionally crashes > when scrolling underneath `NSScrollerImpPair` > https://bugs.webkit.org/show_bug.cgi?id=254484 rdar://107139674 > lrowe@Laurences-MacBook-Air WebKit % git clean -Xf > lrowe@Laurences-MacBook-Air WebKit % sudo xcode-select -s > /Applications/Xcode.app/Contents/Developer > lrowe@Laurences-MacBook-Air WebKit % Tools/Scripts/build-jsc --jsc-only > # build log below > lrowe@Laurences-MacBook-Air WebKit % ./WebKitBuild/Release/bin/jsc > zsh: bus error ./WebKitBuild/Release/bin/jsc > > lrowe@Laurences-MacBook-Air WebKit % lldb ./WebKitBuild/Release/bin/jsc > (lldb) target create "./WebKitBuild/Release/bin/jsc" > Current executable set to > '/Users/lrowe/scratch/WebKit/WebKitBuild/Release/bin/jsc' (arm64). > (lldb) run > Process 73062 launched: > '/Users/lrowe/scratch/WebKit/WebKitBuild/Release/bin/jsc' (arm64) > Process 73062 stopped > * thread #1, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS > (code=2, address=0x10d5ac000) > frame #0: 0x00000001a1b43f78 libsystem_platform.dylib`_platform_memmove + > 168 > libsystem_platform.dylib`: > -> 0x1a1b43f78 <+168>: stp q2, q3, [x0] > 0x1a1b43f7c <+172>: subs x2, x2, #0x40 > 0x1a1b43f80 <+176>: b.ls <http://b.ls/> 0x1a1b43f9c ; > <+204> > 0x1a1b43f84 <+180>: stp q0, q1, [x3] > Target 0: (jsc) stopped. > > Versions: > WebKit main (b2362a5d6b) > Xcode 14.2 (14C18) > macOS 13.2.1 > CMake.app 3.26.1 (not mentioned at https://webkit.org/build-tools/ but > required) > > I’ve also tried variously with Xcode command line tools, homebrew cmake, > WebKit tag WebKit-7615.1.26.10.23, and adding the —debug flag to the build > but I see the same error. > > Is there anything else I should be doing to build jsc? > > Thanks, > > Laurence Rowe > > > # build log > + cmake --build /Users/lrowe/scratch/WebKit/WebKitBuild/Release --config > Release -- jsc testb3 testair testapi testmasm testdfg -j8 > [ 0%] Built target JavaScriptCore_CopyHeaders > [ 1%] Built target JavaScriptCoreSharedScripts > [ 1%] Built target JSCBuiltins > [ 1%] Built target Bytecodes > [ 35%] Built target WTF_CopyHeaders > [ 38%] Built target bmalloc_CopyHeaders > [ 46%] Built target bmalloc > [ 53%] Built target WTF > [ 53%] Built target LLIntSettingsExtractor > [ 53%] Building CXX object > Source/JavaScriptCore/CMakeFiles/LLIntOffsetsExtractor.dir/llint/LLIntOffsetsExtractor.cpp.o > [ 53%] Linking CXX executable ../../bin/LLIntOffsetsExtractor > [ 53%] Built target LLIntOffsetsExtractor > [ 53%] Generating ../../JavaScriptCore/DerivedSources/LLIntAssembly.h > [ 53%] Building CXX object > Source/JavaScriptCore/CMakeFiles/LowLevelInterpreterLib.dir/llint/LowLevelInterpreter.cpp.o > [ 53%] Built target LowLevelInterpreterLib > [ 53%] Building CXX object > Source/JavaScriptCore/CMakeFiles/JavaScriptCore.dir/__/__/JavaScriptCore/DerivedSources/unified-sources/UnifiedSource-f0a787a9-7.cpp.o > [ 53%] Building CXX object > Source/JavaScriptCore/CMakeFiles/JavaScriptCore.dir/__/__/JavaScriptCore/DerivedSources/unified-sources/UnifiedSource-f0a787a9-11.cpp.o > [ 53%] Building CXX object > Source/JavaScriptCore/CMakeFiles/JavaScriptCore.dir/__/__/JavaScriptCore/DerivedSources/unified-sources/UnifiedSource-bfc896e1-4.cpp.o > [ 53%] Building CXX object > Source/JavaScriptCore/CMakeFiles/JavaScriptCore.dir/__/__/JavaScriptCore/DerivedSources/unified-sources/UnifiedSource-bfc896e1-3.cpp.o > [ 53%] Building CXX object > Source/JavaScriptCore/CMakeFiles/JavaScriptCore.dir/__/__/JavaScriptCore/DerivedSources/unified-sources/UnifiedSource-bfc896e1-9.cpp.o > [ 53%] Building CXX object > Source/JavaScriptCore/CMakeFiles/JavaScriptCore.dir/dfg/DFGSpeculativeJIT.cpp.o > [ 54%] Building CXX object > Source/JavaScriptCore/CMakeFiles/JavaScriptCore.dir/dfg/DFGSpeculativeJIT32_64.cpp.o > [ 54%] Building CXX object > Source/JavaScriptCore/CMakeFiles/JavaScriptCore.dir/dfg/DFGSpeculativeJIT64.cpp.o > [ 54%] Building CXX object > Source/JavaScriptCore/CMakeFiles/JavaScriptCore.dir/__/__/JavaScriptCore/DerivedSources/unified-sources/UnifiedSource-bfc896e1-14.cpp.o > [ 54%] Building CXX object > Source/JavaScriptCore/CMakeFiles/JavaScriptCore.dir/__/__/JavaScriptCore/DerivedSources/unified-sources/UnifiedSource-02aa2997-1.cpp.o > [ 54%] Building CXX object > Source/JavaScriptCore/CMakeFiles/JavaScriptCore.dir/ftl/FTLLowerDFGToB3.cpp.o > [ 54%] Building CXX object > Source/JavaScriptCore/CMakeFiles/JavaScriptCore.dir/__/__/JavaScriptCore/DerivedSources/unified-sources/UnifiedSource-ee8a7a7a-3.cpp.o > [ 54%] Building CXX object > Source/JavaScriptCore/CMakeFiles/JavaScriptCore.dir/__/__/JavaScriptCore/DerivedSources/unified-sources/UnifiedSource-0e543b66-1.cpp.o > [ 54%] Building CXX object > Source/JavaScriptCore/CMakeFiles/JavaScriptCore.dir/__/__/JavaScriptCore/DerivedSources/unified-sources/UnifiedSource-3a3c4ec0-1.cpp.o > [ 54%] Building CXX object > Source/JavaScriptCore/CMakeFiles/JavaScriptCore.dir/__/__/JavaScriptCore/DerivedSources/unified-sources/UnifiedSource-f2e18ffc-21.cpp.o > [ 54%] Building CXX object > Source/JavaScriptCore/CMakeFiles/JavaScriptCore.dir/__/__/JavaScriptCore/DerivedSources/unified-sources/UnifiedSource-f2e18ffc-34.cpp.o > [ 54%] Building CXX object > Source/JavaScriptCore/CMakeFiles/JavaScriptCore.dir/__/__/JavaScriptCore/DerivedSources/unified-sources/UnifiedSource-f2e18ffc-42.cpp.o > [ 54%] Building CXX object > Source/JavaScriptCore/CMakeFiles/JavaScriptCore.dir/wasm/WasmAirIRGenerator32_64.cpp.o > [ 54%] Building CXX object > Source/JavaScriptCore/CMakeFiles/JavaScriptCore.dir/wasm/WasmAirIRGenerator64.cpp.o > [ 54%] Building CXX object > Source/JavaScriptCore/CMakeFiles/JavaScriptCore.dir/__/__/JavaScriptCore/DerivedSources/unified-sources/UnifiedSource-0284c6ac-1.cpp.o > [ 55%] Building CXX object > Source/JavaScriptCore/CMakeFiles/JavaScriptCore.dir/wasm/WasmBBQJIT.cpp.o > [ 55%] Building CXX object > Source/JavaScriptCore/CMakeFiles/JavaScriptCore.dir/__/__/JavaScriptCore/DerivedSources/unified-sources/UnifiedSource-15db4ad9-1.cpp.o > [ 55%] Building CXX object > Source/JavaScriptCore/CMakeFiles/JavaScriptCore.dir/__/__/JavaScriptCore/DerivedSources/unified-sources/UnifiedSource-15db4ad9-2.cpp.o > [ 55%] Building CXX object > Source/JavaScriptCore/CMakeFiles/JavaScriptCore.dir/__/__/JavaScriptCore/DerivedSources/unified-sources/UnifiedSource-15db4ad9-3.cpp.o > [ 55%] Building CXX object > Source/JavaScriptCore/CMakeFiles/JavaScriptCore.dir/__/__/JavaScriptCore/DerivedSources/unified-sources/UnifiedSource-15db4ad9-4.cpp.o > [ 55%] Building CXX object > Source/JavaScriptCore/CMakeFiles/JavaScriptCore.dir/__/__/JavaScriptCore/DerivedSources/unified-sources/UnifiedSource-15db4ad9-5.cpp.o > [ 55%] Building CXX object > Source/JavaScriptCore/CMakeFiles/JavaScriptCore.dir/__/__/JavaScriptCore/DerivedSources/unified-sources/UnifiedSource-15db4ad9-6.cpp.o > [ 55%] Building CXX object > Source/JavaScriptCore/CMakeFiles/JavaScriptCore.dir/__/__/JavaScriptCore/DerivedSources/unified-sources/UnifiedSource-15db4ad9-7.cpp.o > [ 55%] Building CXX object > Source/JavaScriptCore/CMakeFiles/JavaScriptCore.dir/__/__/JavaScriptCore/DerivedSources/unified-sources/UnifiedSource-15db4ad9-8.cpp.o > [ 55%] Building CXX object > Source/JavaScriptCore/CMakeFiles/JavaScriptCore.dir/__/__/JavaScriptCore/DerivedSources/unified-sources/UnifiedSource-15db4ad9-9.cpp.o > [ 55%] Building CXX object > Source/JavaScriptCore/CMakeFiles/JavaScriptCore.dir/__/__/JavaScriptCore/DerivedSources/unified-sources/UnifiedSource-15db4ad9-10.cpp.o > [ 55%] Building CXX object > Source/JavaScriptCore/CMakeFiles/JavaScriptCore.dir/__/__/JavaScriptCore/DerivedSources/unified-sources/UnifiedSource-15db4ad9-11.cpp.o > [ 55%] Building CXX object > Source/JavaScriptCore/CMakeFiles/JavaScriptCore.dir/__/__/JavaScriptCore/DerivedSources/unified-sources/UnifiedSource-15db4ad9-12.cpp.o > [ 55%] Linking CXX shared library > ../../lib/JavaScriptCore.framework/JavaScriptCore > [ 66%] Built target JavaScriptCore > [ 66%] Generating > ../../JavaScriptCore/PrivateHeaders/JavaScriptCore/WasmCallee.h > [100%] Built target JavaScriptCore_CopyPrivateHeaders > [100%] Building CXX object > Source/JavaScriptCore/shell/CMakeFiles/jsc.dir/__/jsc.cpp.o > [100%] Linking CXX executable ../../../bin/jsc > [100%] Built target jsc > [ 0%] Built target Bytecodes > [ 1%] Built target JavaScriptCoreSharedScripts > [ 1%] Built target JavaScriptCore_CopyHeaders > [ 1%] Built target JSCBuiltins > [ 21%] Built target WTF_CopyHeaders > [ 38%] Built target bmalloc_CopyHeaders > [ 46%] Built target bmalloc > [ 53%] Built target WTF > [ 53%] Built target LLIntSettingsExtractor > [ 53%] Built target LLIntOffsetsExtractor > [ 53%] Built target LowLevelInterpreterLib > [ 66%] Built target JavaScriptCore > [100%] Built target JavaScriptCore_CopyPrivateHeaders > [100%] Linking CXX executable ../../../bin/testb3 > [100%] Built target testb3 > [ 1%] Built target JavaScriptCoreSharedScripts > [ 1%] Built target JavaScriptCore_CopyHeaders > [ 1%] Built target Bytecodes > [ 18%] Built target WTF_CopyHeaders > [ 18%] Built target JSCBuiltins > [ 38%] Built target bmalloc_CopyHeaders > [ 46%] Built target bmalloc > [ 53%] Built target WTF > [ 53%] Built target LLIntSettingsExtractor > [ 53%] Built target LLIntOffsetsExtractor > [ 53%] Built target LowLevelInterpreterLib > [ 66%] Built target JavaScriptCore > [100%] Built target JavaScriptCore_CopyPrivateHeaders > [100%] Linking CXX executable ../../../bin/testair > [100%] Built target testair > [ 0%] Built target Bytecodes > [ 0%] Built target JavaScriptCore_CopyHeaders > [ 1%] Built target JavaScriptCoreSharedScripts > [ 1%] Built target JSCBuiltins > [ 37%] Built target WTF_CopyHeaders > [ 38%] Built target bmalloc_CopyHeaders > [ 45%] Built target bmalloc > [ 53%] Built target WTF > [ 53%] Built target LLIntSettingsExtractor > [ 53%] Built target LLIntOffsetsExtractor > [ 53%] Built target LowLevelInterpreterLib > [ 65%] Built target JavaScriptCore > [ 98%] Built target JavaScriptCore_CopyPrivateHeaders > [ 98%] Linking CXX executable ../../../bin/testapi > [100%] Built target testapi > [ 1%] Built target JavaScriptCoreSharedScripts > [ 1%] Built target JavaScriptCore_CopyHeaders > [ 1%] Built target JSCBuiltins > [ 1%] Built target Bytecodes > [ 21%] Built target bmalloc_CopyHeaders > [ 38%] Built target WTF_CopyHeaders > [ 45%] Built target bmalloc > [ 53%] Built target WTF > [ 53%] Built target LLIntSettingsExtractor > [ 53%] Built target LLIntOffsetsExtractor > [ 53%] Built target LowLevelInterpreterLib > [ 65%] Built target JavaScriptCore > [ 98%] Built target JavaScriptCore_CopyPrivateHeaders > [100%] Linking CXX executable ../../../bin/testmasm > [100%] Built target testmasm > [ 1%] Built target JavaScriptCoreSharedScripts > [ 1%] Built target JavaScriptCore_CopyHeaders > [ 1%] Built target JSCBuiltins > [ 1%] Built target Bytecodes > [ 36%] Built target WTF_CopyHeaders > [ 38%] Built target bmalloc_CopyHeaders > [ 46%] Built target bmalloc > [ 53%] Built target WTF > [ 53%] Built target LLIntSettingsExtractor > [ 53%] Built target LLIntOffsetsExtractor > [ 53%] Built target LowLevelInterpreterLib > [ 66%] Built target JavaScriptCore > [100%] Built target JavaScriptCore_CopyPrivateHeaders > [100%] Linking CXX executable ../../../bin/testdfg > [100%] Built target testdfg > > ==================================================================== > JavaScriptCore is now built (01m:00s). > ==================================================================== > 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