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3 Commits

Author SHA1 Message Date
Jez Ng 643ec67a64 [lld-macho] Always include custom syslibroot when running tests 
This greatly reduces the amount of boilerplate in our tests.

Reviewed By: #lld-macho, compnerd

Differential Revision: https://reviews.llvm.org/D87960
 2020-09-25 11:28:36 -07:00
Jez Ng 0407197711 [lld-macho] Support GOT relocations to __dso_handle 
Found such a relocation while testing some real world programs.

Reviewed By: #lld-macho, smeenai

Differential Revision: https://reviews.llvm.org/D86642
 2020-08-27 17:44:17 -07:00
Jez Ng 3587de2281 [lld-macho] Support __dso_handle for C++ 
The C++ ABI requires dylibs to pass a pointer to __cxa_atexit which does
e.g. cleanup of static global variables. The C++ spec says that the pointer
can point to any address in one of the dylib's segments, but in practice
ld64 seems to set it to point to the header, so that's what's implemented
here.

Reviewed By: #lld-macho, smeenai

Differential Revision: https://reviews.llvm.org/D83603
 2020-07-30 14:28:41 -07:00