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s2wasm is no longer used my emscripten and as far as I know now
as no other users.
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* Emit invokeFuncs list as metadata
* Refactor s2wasm to use ModuleWriter
* Fix wasm-emscripten-finalize metadata output for binary output
* Add a flag to emit binary from s2wasm
NOTE: I chose to emit text by default, and binary behind a flag. This
mismatches with asm2wasm (and the expectations of users of a "2wasm"
tool), but doesn't break any existing users of s2wasm. If s2wasm is
deprecated in favor of lld, this will be the least disruptive change,
and we won't have to live with awkward defaults for too long.
* Emit source maps in the binary output of s2wasm
* Only emit binary with an outfile specified
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This adds necessary command line options for addFunction support, and generates required jsCall imports and generates jsCall thunk functions.
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The & on the type is the proper convention.
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These instances may simply be caught by reference instead.
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* Skeleton of a beginning of o2wasm, WIP and probably not going to be used
* Get building post-cherry-pick
* ast->ir, remove commented out code, include a debug module print because linking
* Read linking section, print emscripten metadata json
* WasmBinaryWriter emits user sections on Module
* Remove debugging prints, everything that isn't needed to build metadata
* Rename o2wasm to lld-metadata
* lld-metadata support for outputting to file
* Use tables index instead of function index for initializer functions
* Add lld-emscripten tool to add emscripten-runtime functions to wasm modules (built with lld)
* Handle EM_ASM in lld-emscripten
* Add a list of functions to forcibly export (for initializer functions)
* Disable incorrect initializer function reading
* Add error printing when parsing .o files in lld-metadata
* Remove ';; METADATA: ' prefix from lld-metadata, output is now standalone json
* Support em_asm consts that aren't at the start of a segment
* Initial test framework for lld-metadata tool
* Add em_asm test
* Add support for WASM_INIT_FUNCS in the linking section
* Remove reloc section parsing because it's unused
* lld-emscripten can read and write text
* Add test harness for lld-emscripten
* Export all functions for now
* Add missing lld test output
* Add support for reading object files differently
Only difference so far is in importing mutable globals being an object
file representation for symbols, but invalid wasm.
* Update help strings
* Update linking tests for stackAlloc fix
* Rename lld-emscripten,lld-metadata to wasm-emscripten-finalize,wasm-link-metadata
* Add help text to header comments
* auto& instead of auto &
* Extract LinkType to abi/wasm-object.h
* Remove special handling for wasm object file reading, allow mutable globals
* Add braces around default switch case
* Fix flake8 errors
* Handle generating dyncall thunks for imports as well
* Use explicit bool for stackPointerGlobal
* Use glob patterns for lld file iteration
* Use __wasm_call_ctors for all initializer functions
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Do not print the entire and possibly very large module when validation fails. Leave printing to tools using the validator, instead of always doing it in the validator where it can't be overridden.
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The IR is indeed a tree, but not an "abstract syntax tree" since there is no language for which it is the syntax (except in the most trivial and meaningless sense).
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* refactor validator API to use enums
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* Add --trap-mode=allow/clamp/js argument to asm2wasm and s2wasm
* Update asm2wasm and auto_update_tests scripts to use --trap-mode
* Throw std::invalid_argument instead of adding a new Invalid TrapMode type
* Remove legacy asm2wasm trap mode arguments
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* Extract Asm2WasmBuilder::TrapMode to shared FloatTrapMode
* Extract makeTrappingI32Binary
* Extract makeTrappingI64Binary
* Extract asm2wasm test script into scripts/test/asm2wasm.py
This matches s2wasm.py, and makes iterating on asm2wasm slightly faster.
* Simplify callsites with an arg struct
* Combine func adding across i32 and i64
* Support f32-to-int in asm2wasm
* Add BinaryenTrapMode pass, run pass from s2wasm
* BinaryenTrapMode pass takes trap context as a parameter
* Pass fully supports non-trapping binary ops
* Defer adding functions until after iteration (hackily)
* Update asm2wasm to work with deferred function adding, rebuild tests
* Extract makeTrappingFloatToInt32
* Extract makeTrappingFloatToInt64
* Add unary conversions to trap pass
* Add functions in the pass itself
* Set s2wasm trap mode with command-line arguments
* Print BINARYEN_PASS_DEBUG state when testing
* Get asm2wasm using the BinaryenTrapMode pass instead of handling it inline
* Also handle f32 to int in asm2wasm
* Make BinaryenTrapMode only need a FloatTrapMode from the caller
* Just pass the current binary Expression directly
* Combine makeTrappingI32Binary with makeTrappingI64Binary
* Pass Unary expr to makeTrappingFloatToInt32
* Unify makeTrappingFloatToInt32 & 64
* Move makeTrapping* functions inside BinaryenTrapMode, make addedFunctions non-static
* Remove FloatTrapContext
* Minor cleanups
* Extract some smaller subfunctions
* Emit name switch/casing, rename is32Bit to isI64 for consistency
* Rename BinaryenTrapMode to FloatTrap, make trap mode a nested enum
* Add some comments explaining why FloatTrap is non-parallel
* Rename addedFunctions to generatedFunctions for precision
* Rename move and split float-clamp.h to passes/FloatTrap.(h|cpp)
* Use builder instead of allocator
* Instantiate trap handling passes via the pass manager
* Move passes/FloatTrap.h to ast/trapping.h
* Add helper function to add trap-handling passes
* Add trap mode pass tests
* Rename FloatTrap.cpp to TrapMode.cpp
* Add s2wasm trap mode tests. Force float->int conversion to be signed
* Add trapping_sint_div_s test to unit.asm.js
* Fix flake8 issues with test scripts
* Update pass description comment
* Extract building functions methods
* Make generate functions into top-level functions
* Add GeneratedTrappingFunctions class to manage function/import additions
* Move ensure/makeTrapping functions outside class scope
* Use GeneratedTrappingFunctions to add immediately in asm2wasm mode
* Remove trapping_sint_div_s test
We only added it to test that trapping divisions would get
constant-folded at the correct time. Now that we're not changing the
timing of trapping modes, the test is unneeded (and problematic).
* Review feedback, add validator/*.wasm to .gitignore
* Add support for unsigned float-to-int conversion
* Use opcode directly instead of bools
* Update s2wasm clamp test for unsigned ftoi
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* Generate stackSave function in s2wasm
* Generate stackAlloc in s2wasm
* Generate stackRestore in s2wasm
* Update dot_s tests for runtime functions
* Add s2wasm check for exporting runtime functions
* Fix flake8 for s2wasm.py
* Rename wasmBuilder to builder
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This option allows to import the linear memory from JS code instead of exporting it.
--emscripten-glue does this too but often the emscripten glue isn't needed, so this option only affects the memory.
All the code necessary for importing the memory basically already exists, so nothing except for the command line option itself had to be added.
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The emscripten JS module code creates the memory using the native wasm
APIs, and imports that into the wasm module.
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* Add a flag to s2wasm to export grow_memory
Binaryen's wasm.js-post.js calls back in to wasm in order to grow the
linear memory, via a function that asm2wasm exports called
__growWasmMemory.
This changes exposes that method through s2wasm when invoked with a
flag.
* Move AsmConstWalker from wasm-linker to wasm-emscripten
* Add test for memory growth in s2wasm
* Move makeDynCallThunks into wasm-emscripten module
* Move mutation in getTableSegment into a separate method
* Move emscripten metadata generation into wasm-emscripten
Also make AsmConstWalker internal to the wasm-emscripten module, as it's only used for the metadata pass.
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In the web embedding, modules are not allowed to import or export
functions which have i64 params or return values. Add a mode to the
validator to check for this, and add flags to s2wasm and wasm-as to
enable or disable this check. Also add tests.
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Add an s2wasm option `--no-validate` to disable validation for debugging purposes.
Also fix several validation errors by adding calls to `finalize()` after creating expressions, and ensuring that an import is created earlier in `Linker::getImportThunk`.
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