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# df344e1f 26-Jul-2022 Sunho Kim <[email protected]>

[JITLink][COFF] Implement IMAGE_COMDAT_SELECT_LARGEST partially.

Implement IMAGE_COMDAT_SELECT_LARGEST partially. It's going to fail if larger symbol appears but this hasn't happened at least in vcr

[JITLink][COFF] Implement IMAGE_COMDAT_SELECT_LARGEST partially.

Implement IMAGE_COMDAT_SELECT_LARGEST partially. It's going to fail if larger symbol appears but this hasn't happened at least in vcruntime library.

We probably would not implement this properly as it requires complicated runtime patching which is not of nature of JIT. However, we'd like to validate if larger section appears and report to the user in the near future.

Reviewed By: lhames

Differential Revision: https://reviews.llvm.org/D129941

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# e8f52b8c 12-Jul-2022 Sunho Kim <[email protected]>

[JITLink][COFF] Add missing REQUIRES: asserts.
This fixes the buildbot failure in release only buildbots.
# db995d72 12-Jul-2022 Sunho Kim <[email protected]>

[JITLink][COFF] Initial COFF support.

Adds initial COFF support in JITLink. This is able to run a hello world c program in x86 windows successfully.

Implemented
- COFF object loader
- Static local

[JITLink][COFF] Initial COFF support.

Adds initial COFF support in JITLink. This is able to run a hello world c program in x86 windows successfully.

Implemented
- COFF object loader
- Static local symbols
- Absolute symbols
- External symbols
- Weak external symbols
- Common symbols
- COFF jitlink-check support
- All COMDAT selection type execpt largest
- Implicit symobl size calculation
- Rel32 relocation with PLT stub.
- IMAGE_REL_AMD64_ADDR32NB relocation

Reviewed By: lhames

Differential Revision: https://reviews.llvm.org/D128968

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