59 lines
1.9 KiB
Text
59 lines
1.9 KiB
Text
#import <Foundation/Foundation.h>
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// Observable side effect that is changed when one of our trap functions is
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// called. This should always retain its initial value in a successful test run.
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const char *called_function = "none";
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// Below several trap functions are declared in different scopes that should
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// never be called even though they share the name of some of the utility
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// functions that LLDB has to call when updating the Objective-C class list
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// (i.e. 'free' and 'objc_copyRealizedClassList_nolock').
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// All functions just indicate that they got called by setting 'called_function'
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// to their own name.
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namespace N {
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void free(void *) { called_function = "N::free"; }
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void objc_copyRealizedClassList_nolock(unsigned int *) {
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called_function = "N::objc_copyRealizedClassList_nolock";
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}
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}
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struct Context {
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void free(void *) { called_function = "Context::free"; }
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void objc_copyRealizedClassList_nolock(unsigned int *) {
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called_function = "Context::objc_copyRealizedClassList_nolock";
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}
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};
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@interface ObjCContext : NSObject {
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}
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- (void)free:(void *)p;
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- (void)objc_copyRealizedClassList_nolock:(unsigned int *)outCount;
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@end
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@implementation ObjCContext
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- (void)free:(void *)p {
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called_function = "ObjCContext::free";
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}
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- (void)objc_copyRealizedClassList_nolock:(unsigned int *)outCount {
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called_function = "ObjCContext::objc_copyRealizedClassList_nolock";
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}
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@end
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int main(int argc, char **argv) {
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id str = @"str";
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// Make sure all our conflicting functions/methods are emitted. The condition
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// is never executed in the test as the process is launched without args.
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if (argc == 1234) {
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Context o;
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o.free(nullptr);
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o.objc_copyRealizedClassList_nolock(nullptr);
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N::free(nullptr);
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N::objc_copyRealizedClassList_nolock(nullptr);
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ObjCContext *obj = [[ObjCContext alloc] init];
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[obj free:nullptr];
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[obj objc_copyRealizedClassList_nolock:nullptr];
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}
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return 0; // break here
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}
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