%Sp is not an argument, it is the space necessary to hold a reference to the CommandLine enumeration's static argv member.
When JIT'ing Swift, the value of argv doesn't matter because we replace the process' arguments dynamically https://github.com/apple/swift/blob/master/lib/Immediate/Immediate.cpp#L318. Do you have a trace for the crash? ~Robert Widmann 2017/03/06 12:33、Alex Denisov via swift-dev <swift-dev@swift.org> のメッセージ: > Hi there, > > I could not find a list for swift-corelibs-xctest so I am posting it here. > > I am trying to run tests based on XCTest > (https://github.com/apple/swift-corelibs-xctest) using LLVM's JIT. > Everything is working good so far. However, I am getting a crash. > Based on a shallow investigation I can see that this is somehow related to > the way Swift treats the command line arguments. Or, to be more precise, to > the way I pass the arguments to the swift's 'main' function. > > What I did so far is not different from what I do to run C or C++ using JIT: > > auto main = ((int (*)(int, const char **))(intptr_t)mainPointer); > const int argc = 1; > const char *argv[] = { "some-name", NULL }; > auto result = main(argc, argv); > > Based on what I see in the IR[1] the 'argv' has type "%Sp = type <{ i8* }>", > which seems to be a struct with a pointer to something. > > So the question is: what is being passed as a second argument to the 'main' > function of a swift program? > > Any other advice on JIT-ting Swift are more than welcome :) > > [1] https://gist.github.com/AlexDenisov/3c10540b544e82cfb6e58e1452491904 > -- > AlexDenisov > Software Engineer, https://lowlevelbits.org > > _______________________________________________ > swift-dev mailing list > swift-dev@swift.org > https://lists.swift.org/mailman/listinfo/swift-dev
_______________________________________________ swift-dev mailing list swift-dev@swift.org https://lists.swift.org/mailman/listinfo/swift-dev
