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Author SHA1 Message Date
Daniel Kiss f5b997e6b7 [Unwind] Harmonise exception class for EHABI spec. 
EHABI defines the exception class as char[8] instead of uint64_t [1].
For ABI compatibility the ABI the definition needs to be updated.

[1] https://github.com/ARM-software/abi-aa/blob/main/ehabi32/ehabi32.rst#82language-independent-unwinding-types-and-functions

Reviewed By: manojgupta, MaskRay, #libunwind

Differential Revision: https://reviews.llvm.org/D109047
 2021-09-02 11:31:03 +02:00
Daniel Kiss db126ae243 [Arm][Unwind][libc++abi] Add _Unwind_ForcedUnwind to EHABI. 
_Unwind_ForcedUnwind is not mandated by the EHABI but for compatibilty
reasons adding so the interface to higher layers would be the same.
Dropping EHABI specific _Unwind_Stop_Fn definition since it is not defined by EHABI.

Reviewed By: MaskRay

Differential Revision: https://reviews.llvm.org/D89570
 2021-08-11 10:15:53 +02:00
Daniel Kiss 9ed1c7e496 [Unwind] Split unwind.h 
Moving Itanium and ArmEHABI specific implementations to dedicated files.
This is a NFC patch.

Reviewed By: MaskRay

Differential Revision: https://reviews.llvm.org/D106461
 2021-08-11 10:15:51 +02:00