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comparison gen/tocall.cpp @ 1050:32ead42679d1

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Fix a bug in the X86 ABI. The size of a struct is different from the size of a pointer to that struct...
author Frits van Bommel <fvbommel wxs.nl>
date Fri, 06 Mar 2009 21:15:13 +0100
parents 6bb04dbee21f
children dc608dc33081
comparison
equal deleted inserted replaced
1049:afe271b0e271 1050:32ead42679d1
371 // otherwise we're looking at a normal function call 371 // otherwise we're looking at a normal function call
372 // or a C style vararg call 372 // or a C style vararg call
373 else 373 else
374 { 374 {
375 Logger::println("doing normal arguments"); 375 Logger::println("doing normal arguments");
376 if (Logger::enabled()) {
377 Logger::println("Arguments so far: (%d)", (int)args.size());
378 Logger::indent();
379 for (size_t i = 0; i < args.size(); i++) {
380 Logger::cout() << *args[i] << '\n';
381 }
382 Logger::undent();
383 Logger::cout() << "Function type: " << tf->toChars() << '\n';
384 Logger::cout() << "LLVM functype: " << *callable->getType() << '\n';
385 }
376 386
377 size_t n = Argument::dim(tf->parameters); 387 size_t n = Argument::dim(tf->parameters);
378 388
379 LLSmallVector<unsigned, 10> attrptr(n, 0); 389 LLSmallVector<unsigned, 10> attrptr(n, 0);
380 390
384 { 394 {
385 Argument* fnarg = Argument::getNth(tf->parameters, i); 395 Argument* fnarg = Argument::getNth(tf->parameters, i);
386 assert(fnarg); 396 assert(fnarg);
387 DValue* argval = DtoArgument(fnarg, (Expression*)arguments->data[i]); 397 DValue* argval = DtoArgument(fnarg, (Expression*)arguments->data[i]);
388 398
399 if (Logger::enabled()) {
400 Logger::cout() << "Argument before ABI: " << *argval->getRVal() << '\n';
401 Logger::cout() << "Argument type before ABI: " << *DtoType(argval->getType()) << '\n';
402 }
403
389 // give the ABI a say 404 // give the ABI a say
390 LLValue* arg = tf->fty->putParam(argval->getType(), i, argval); 405 LLValue* arg = tf->fty->putParam(argval->getType(), i, argval);
406
407 if (Logger::enabled()) {
408 Logger::cout() << "Argument after ABI: " << *arg << '\n';
409 Logger::cout() << "Argument type after ABI: " << *arg->getType() << '\n';
410 }
391 411
392 int j = tf->fty->reverseParams ? beg + n - i - 1 : beg + i; 412 int j = tf->fty->reverseParams ? beg + n - i - 1 : beg + i;
393 413
394 // Hack around LDC assuming structs are in memory: 414 // Hack around LDC assuming structs are in memory:
395 // If the function wants a struct, and the argument value is a 415 // If the function wants a struct, and the argument value is a