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Summary:
Also changes the wasm YAML format to reflect the possibility of having
multiple return types and to put the returns after the params for
consistency with the binary encoding.
Reviewers: aheejin, sbc100
Subscribers: dschuff, jgravelle-google, hiraditya, sunfish, arphaman, rupprecht, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D69156
llvm-svn: 375283
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Summary:
Rename MemoryIndex to InitFlags and implement logic for determining
data segment layout in ObjectYAML and MC. Also adds a "passive" flag
for the .section assembler directive although this cannot be assembled
yet because the assembler does not support data sections.
Reviewers: sbc100, aardappel, aheejin, dschuff
Subscribers: jgravelle-google, hiraditya, sunfish, rupprecht, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D57938
llvm-svn: 354397
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This change bumps for version number of the wasm object file
metadata.
See https://github.com/WebAssembly/tool-conventions/pull/92
Differential Revision: https://reviews.llvm.org/D56758
llvm-svn: 351285
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Summary: See https://github.com/WebAssembly/tool-conventions/issues/54
Subscribers: jfb, dschuff, jgravelle-google, aheejin, sunfish, llvm-commits
Differential Revision: https://reviews.llvm.org/D46069
llvm-svn: 330969
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This implements https://github.com/WebAssembly/tool-conventions/pull/47
Differential Revision: https://reviews.llvm.org/D44201
llvm-svn: 327146
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Neither the linker nor the runtime need this information
anymore. We were originally using this to model BSS size
but the plan is now to use the segment metadata to allow
for BSS segments.
Differential Revision: https://reviews.llvm.org/D41366
llvm-svn: 326267
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This is combination of two patches by Nicholas Wilson:
1. https://reviews.llvm.org/D41954
2. https://reviews.llvm.org/D42495
Along with a few local modifications:
- One change I made was to add the UNDEFINED bit to the binary format
to avoid the extra byte used when writing data symbols. Although this
bit is redundant for other symbols types (i.e. undefined can be
implied if a function or global is a wasm import)
- I prefer to be explicit and consistent and not have derived flags.
- Some field renaming.
- Some reverting of unrelated minor changes.
- No test output differences.
Differential Revision: https://reviews.llvm.org/D43147
llvm-svn: 325860
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Get rid of DEBUG_FUNCTION_NAME symbols. When we actually debug
data, maybe we'll want somewhere to put it... but having a symbol
that just stores the name of another symbol seems odd.
It means you have multiple Symbols with the same name, one
containing the actual function and another containing the name!
Store the names in a vector on the WasmObjectFile when reading
them in. Also stash them on the WasmFunctions themselves.
The names are //not// "symbol names" or aliases or anything,
they're just the name that a debugger should show against the
function body itself. NB. The WasmObjectFile stores them so that
they can be exported in the YAML losslessly, and hence the tests
can be precise.
Enforce that the CODE section has been read in before reading
the "names" section. Requires minor adjustment to some tests.
Patch by Nicholas Wilson!
Differential Revision: https://reviews.llvm.org/D42075
llvm-svn: 322741
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These indexes are useful because they are not always zero based and
functions and globals are referenced elsewhere by their index.
This matches what we already do for the type index space.
Differential Revision: https://reviews.llvm.org/D41877
llvm-svn: 322121
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Differential Revision: https://reviews.llvm.org/D41202
llvm-svn: 320642
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Also, add a flags field as we will almost certainly
be needing that soon too.
Differential Revision: https://reviews.llvm.org/D38296
llvm-svn: 314534
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object files
This change only treats imported and exports functions and globals
as symbol table entries the object has a "linking" section (i.e. it is
relocatable object file).
In this case all globals must be of type I32 and initialized with
i32.const. This was previously being assumed but not checked for and
was causing a failure on big endian machines due to using the wrong
value of then union.
See: https://bugs.llvm.org/show_bug.cgi?id=34487
Differential Revision: https://reviews.llvm.org/D37497
llvm-svn: 312674
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The code wasn't previously taking into account that the
global index space is not same as the into in the Globals
array since the latter does not include imported globals.
This fixes the WebAssembly waterfall failures.
Differential Revision: https://reviews.llvm.org/D37384
llvm-svn: 312340
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This is mostly a fix for the output of `llvm-nm`
See Bug 34392: https://bugs.llvm.org//show_bug.cgi?id=34392
Differential Revision: https://reviews.llvm.org/D37359
llvm-svn: 312294
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Subscribers: jfb, dschuff, jgravelle-google, aheejin
Differential Revision: https://reviews.llvm.org/D37358
llvm-svn: 312286
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The overal size of the data section (including BSS)
is otherwise not included in the wasm binary.
Differential Revision: https://reviews.llvm.org/D34657
llvm-svn: 306459
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This also introduces the updated format for the
"linking" section which can represent extra
symbol information. See:
https://github.com/WebAssembly/tool-conventions/pull/10
Differential Revision: https://reviews.llvm.org/D34019
llvm-svn: 305769
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