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Not at all sure why we're seeing any there, but it's easy enough to
handle that we might as well.
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This writes the data section into a file suitable for use with emscripten's
--memory-init-file flag
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That is the correct order in the text format, wabt errors otherwise.
See AssemblyScript/assemblyscript#310
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actual support) (#1711)
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Fixes #1649
This moves us to a single object for functions, which can be imported or nor, and likewise for globals (as a result, GetGlobals do not need to check if the global is imported or not, etc.). All imported things now inherit from Importable, which has the module and base of the import, and if they are set then it is an import.
For convenient iteration, there are a few helpers like
ModuleUtils::iterDefinedGlobals(wasm, [&](Global* global) {
.. use global ..
});
as often iteration only cares about imported or defined (non-imported) things.
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This pass was replacing all the uses of certain imports but
wasn't bothering to delete the old ones.
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Allowing duplicates here was causes emscripten to generate a JS
object with duplicate keys.
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jsCallStartIndex (#1579)
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implementFunctions should use the export names, not the
internal/debug name for a function. This is especially
imported with lld where the debug names are demanagled.
implementFunctions should only contain functions that are
accessible from outside the module. i.e. those that have
been exported. There is no point in adding internal-only
functions to this list as they won't be accessible from
outside anyway.
Tesed with emscripten using: ./tests/runner.py binaryen2.test_time
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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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* Extract comma-handling logic into a lambda function
* Start emitting all metadata from binaryen - handle declares and externs
* Add implementedFunctions and exports metadata
* Remove EM_ASM calls from declares
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* wasm-link-metadata: Use `__data_end` symbol.
* Add --global-base param to emscripten-wasm-finalize to compute staticBump properly
* Let ModuleWriter write to a provided Output object
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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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* 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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