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2022-04-24Replace udis86 with a very small x86 decoderMichael Smith
hook_inline() uses the new x86_len() function to get instruction lengths instead of doing full-blown disassembly, which should be a tiny bit quicker, and also removes the next for about 90KiB of lookup tables and such in the final binary. The code-digging logic in demorecord is also rewritten to be opcode-based rather than mnenmonic based. In general, going forward the plan is to always rely on opcodes and thus avoid a bunch of disassembly work every plugin load. udis86 is still in the tree for now to provide dbg_asmdump(), but it's only compiled into debug builds and left out of releases completely. As such, the whole BSD licence statement is also gone from the distribution LICENCE files. There's now also a dbg_toghidra() which spits out a rebased address to look stuff up for proper reverse engineering, which might be more useful than dbg_asmdump() anyway. If nobody ends up using the latter ever again, udis86 could get chucked completely. We'll see. Also shoehorned into this commit are a couple more forgotten copyright year bumps and some general minor cleanup here and there, because I couldn't be bothered wading through all the diff hunks. Oh, and makebindist.bat now makes an effort to make the zip file timestamps predictable/reproducible. That should be a different commit for sure, but oh well too bad.
2022-03-20Support deferring cvar registrationMichael Smith
This allows stuff to be registered conditionally. Unfortunately cmeta is now truly the worst thing of all time, but cleaning it up isn't a huge priority. On the plus side, codegen actually got simpler.
2022-03-19Fix some old KV parser issuesMichael Smith
- Implement conditionals in the lexer and reject or ignore them in callbacks. This will allow something to use them later if needed. - Make error handling less stupid (return a bool instead of using the state struct).
2022-01-06Fix build scripts and codegen on LinuxMichael Smith
SST itself doesn't build, but it's a start! Really interesting is the declaration after a switch label. That's of course invalid, but Clang on Windows never complained. I guess it's an MSVC extension, eh? How annoying. Also, haha yes the script wasn't even executable. Forgot to update-index when I remade the repo, I guess...
2021-12-30Split up os.h, inline functions and fix some typosMichael Smith
2021-12-29Make convar init macro type-genericMichael Smith
This removes the need to call atof() on each cvar on plugin load; now all that's required is the memory allocations for the string values. The syntax is also a bit nicer since numbers can just be numbers rather than quoted strings. Minor issue: specifying a string value that also happens to be numeric will break this since the numeric representation will be zero, but I can't see a reason this would ever happen. Also, add a DEF_CVAR_MAX just for completeness.
2021-11-20Initial public snapshotMichael Smith
With code from Bill. Thanks Bill!