Here is an excerpt of a backtrace on a call to
NSCreateObjectFileImageFromMemory (ran on Mac OS X 10.4.6 ppc)
You can clearly identify that compatibilityChecks is called inside
the ImageLoaderMachO constructor.
Here is the source from http://www.opensource.apple.com/darwinsource/
10.4.6.ppc/
// create image by copying an in-memory mach-o file
ImageLoaderMachO::ImageLoaderMachO(const char* moduleName, const
struct mach_header* mh, uint64_t len, const LinkContext& context)
: ImageLoader(moduleName)
{
// clean slate
this->init();
// temporary use this buffer until TEXT is mapped in
fMachOData = (const uint8_t*)mh;
// create segments
this->instantiateSegments((const uint8_t*)mh);
// map segments
if ( mh->filetype != MH_EXECUTE )
ImageLoader::mapSegments((const void*)mh, len, context);
// get pointers to interesting things
this->parseLoadCmds();
}
So, why is the binaries different from the sources ? Any idea ?
Grepping the dyld sources for "compatibilityChecks" returned no
result either. I'm really surprised.
Cédric Lutthi _______________________________________________
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