Eric Astor ca668acee6 [ms] [llvm-ml] Add a draft MASM parser ... Summary: Many directives are unavailable, and support for others may be limited. This first draft has preliminary support for: - conditional directives (including errors), - data allocation (unsigned types up to 8 bytes, and ALIGN), - equates/variables (numeric and text), - and procedure directives (without parameters), as well as COMMENT, ECHO, INCLUDE, INCLUDELIB, PUBLIC, and EXTERN. Text variables (aka text macros) are expanded in-place wherever the identifier occurs. We deliberately ignore all ml.exe processor directives. Prominent features not yet supported: - structs - macros (both procedures and functions) - procedures (with specified parameters) - substitution & expansion operators Conditional directives are complicated by the fact that "ifdef rax" is a valid way to check if a file is being assembled for a 64-bit x86 processor; we add support for "ifdef <register>" in general, which requires adding a tryParseRegister method to all MCTargetAsmParsers. (Some targets require backtracking in the non-register case.) Reviewers: rnk, thakis Reviewed By: thakis Subscribers: kerbowa, merge_guards_bot, wuzish, arsenm, dschuff, jyknight, dylanmckay, sdardis, nemanjai, jvesely, mgorny, sbc100, jgravelle-google, hiraditya, aheejin, kbarton, fedor.sergeev, asb, rbar, johnrusso, simoncook, sabuasal, niosHD, jrtc27, MaskRay, zzheng, edward-jones, atanasyan, rogfer01, MartinMosbeck, brucehoult, the_o, PkmX, jocewei, jsji, Jim, s.egerton, pzheng, sameer.abuasal, apazos, luismarques, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D72680		2020-02-16 12:30:46 -05:00
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CMakeLists.txt
Disassembler.cpp
Disassembler.h
llvm-ml.cpp	[ms] [llvm-ml] Add a draft MASM parser	2020-02-16 12:30:46 -05:00