Commit Graph

26 Commits

Author SHA1 Message Date
Thomas Lively 393d0f799f [WebAssembly] Allow multivalue signatures in object files
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
2019-10-18 20:27:30 +00:00
Sam Clegg 79e33171d6 [WebAssembly] Update relocation naming to match llvm change. NFC.
Differential Revision: https://reviews.llvm.org/D57698

llvm-svn: 353066
2019-02-04 17:49:33 +00:00
Sam Clegg 6320efb4ed [WebAssembly] Store section alignment as a power of 2
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/D56762

llvm-svn: 351287
2019-01-16 01:43:21 +00:00
Thomas Lively 25ff893712 [WebAssembly] Instruction renaming
Summary: Associated with D56338.

Reviewers: aheejin, aardappel

Subscribers: dschuff, sbc100, jgravelle-google, sunfish, llvm-commits

Differential Revision: https://reviews.llvm.org/D56339

llvm-svn: 350610
2019-01-08 06:25:55 +00:00
Sam Clegg 262e09018b [WebAssembly] Remove final -wasm component of target triple. NFC.
This has been the default for a while now.

llvm-svn: 332009
2018-05-10 17:59:41 +00:00
Sam Clegg 752494bfe3 [WebAssembly] Check function signatures by default
But only produce a warning (for now) unless --fatal-warnings
is passed.

Differential Revision: https://reviews.llvm.org/D46484

llvm-svn: 331574
2018-05-05 01:23:07 +00:00
Sam Clegg 2b8b179867 [WebAssembly] Add version to linking section (to match llvm-side change)
Differential Revision: https://reviews.llvm.org/D46070

llvm-svn: 330971
2018-04-26 18:17:21 +00:00
Nicholas Wilson 280f872bb2 [WebAssembly] Reorder symbol table to match MC order
Update LLD test expectations for new symbol ordering introduced by
Differential D43685.

Differential Revision: https://reviews.llvm.org/D43875

llvm-svn: 326335
2018-02-28 17:20:51 +00:00
Sam Clegg 99eb42c0c5 [WebAssembly] Remove DataSize from linking metadata
This means we don't need to write the linking metadata section
at all for executable (non-relocatable) output.

Differential Revision: https://reviews.llvm.org/D42869

llvm-svn: 326268
2018-02-27 23:58:03 +00:00
Sam Clegg 9310297438 [WebAssembly] Add explicit symbol table
This change modified lld to in response the llvm change which
moved to a more explicit symbol table in the object format.

Based on patches by Nicholas Wilson:
 1. https://reviews.llvm.org/D41955
 2. https://reviews.llvm.org/D42585

The primary difference that we see in the test output is that
for relocatable (-r) output we now have symbol table which
replaces exports/imports and globals.

See: https://github.com/WebAssembly/tool-conventions/issues/38
Differential Revision: https://reviews.llvm.org/D43264

llvm-svn: 325861
2018-02-23 05:08:53 +00:00
Rui Ueyama f05124e60c Use wasm-ld instead of "lld -flavor wasm".
Invoking lld as ld.lld, ld.ld64, lld-link or wasm-ld is preferred
than invoking lld as lld and pass an -flavor option. We have "lld"
file mostly for historical reasons.

Differential Revision: https://reviews.llvm.org/D43407

llvm-svn: 325405
2018-02-16 22:58:02 +00:00
Sam Clegg 279c850cf2 [WebAssembly] Fix signature mismatches in test code
Pass --check-signatures to test executions of lld and
fix resulting errors.

Differential Revision: https://reviews.llvm.org/D42661

llvm-svn: 324042
2018-02-02 00:30:03 +00:00
Sam Clegg 48bbd63fea [WebAssembly] Always start table index at 1, even for relocatable output
Previously llvm was using 0 as the first table index for wasm object
files but now that has switched to 1 we can have the output of lld
do the same and simplify the code.

Patch by Nicholas Wilson!

Differential Revision: https://reviews.llvm.org/D42096

llvm-svn: 323378
2018-01-24 21:37:30 +00:00
Sam Clegg 70683b2f75 [WebAssembly] Use inline target tripple in test cases
This is somewhat preferable since (in many cases) it allows llc
to be run directly on the .ll files without having to pass the
`-mtriple` argument.

Differential Revision: https://reviews.llvm.org/D42438

llvm-svn: 323299
2018-01-24 03:29:47 +00:00
Rui Ueyama b9b1a522ea Remove trailing whitespace.
llvm-svn: 323287
2018-01-24 00:22:53 +00:00
Sam Clegg ff2b12216b [WebAssembly] Remove --emit-relocs
This was added to mimic ELF, but maintaining it has cost
and we currently don't have any use for it outside of the
test code.

Differential Revision: https://reviews.llvm.org/D42324

llvm-svn: 323154
2018-01-22 21:55:43 +00:00
Sam Clegg 0f0a428738 [WebAssembly] Remove special handling of entry point export.
Its much easier to export it via setHidden(false), now that
that is a thing.

As a side effect the start function is not longer always exports first
(becuase its being exported just like all the other function).

Differential Revision: https://reviews.llvm.org/D42321

llvm-svn: 323025
2018-01-20 01:44:45 +00:00
Sam Clegg 14ae6e7c5c [WebAssembly] Export the stack pointer when using --emit-relocs
This solves the problem that --emit-relocs needs the stack-pointer
to be exported, in order to write out any relocations that reference
the __stack_pointer symbol by its symbol index.

Patch by Nicholas Wilson!

Differential Revision: https://reviews.llvm.org/D42237

llvm-svn: 322911
2018-01-18 23:57:55 +00:00
Sam Clegg 51bcdc2d49 [WebAssembly] Define __heap_base global
This is an immutable exported global representing
the start of the heap area.  It is a page aligned.

Differential Revision: https://reviews.llvm.org/D42030

llvm-svn: 322609
2018-01-17 01:34:31 +00:00
Sam Clegg 5068685678 [WebAssembly] Create synthetic __wasm_call_ctors function
This change create a new synthetic function in the final
output binary which calls the static constructors in sequence.

See: https://github.com/WebAssembly/tool-conventions/issues/25

Differential Revision: https://reviews.llvm.org/D41893

llvm-svn: 322388
2018-01-12 18:35:13 +00:00
Sam Clegg f50534b127 [WebAssembly] Update YAML in tests to match LLVM change
Differential Revision: https://reviews.llvm.org/D41878

llvm-svn: 322122
2018-01-09 21:47:36 +00:00
Sam Clegg bd0416d0c0 [WebAssemlby] Fix typo in target triple used in tests
llvm-svn: 321044
2017-12-19 00:18:16 +00:00
Sam Clegg 30b013bac8 [WebAssembly] Update YAML expected output after llvm change
See: https://reviews.llvm.org/D41202

Differential Revision: https://reviews.llvm.org/D41210

llvm-svn: 320662
2017-12-14 00:34:25 +00:00
Rui Ueyama 1ce416c635 Remove trailing whitespace.
llvm-svn: 320520
2017-12-12 20:00:30 +00:00
Sam Clegg 2e25e896fb [WebAssembly] Improve wasm test cases
Add test for weakly defined symbols with the same name

Improve test for call-indirect to include the same call in two
different objects. This lays the ground work to improve the
output via de-duplicating the indirect call table:
   https://reviews.llvm.org/D40989

Also make all tests consistently pass -mtriple rather than
declaring in the sources.

Differential Revision: https://reviews.llvm.org/D41024

llvm-svn: 320172
2017-12-08 18:37:44 +00:00
Sam Clegg b3974ffda0 [WebAssembly] Fix stack pointer relocations
This line was mistakenly deleted in rL319813

Add a test for stackpointer relocations.

Differential Revision: https://reviews.llvm.org/D40847

llvm-svn: 319828
2017-12-05 20:38:22 +00:00