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Commit Graph

9 Commits

Author SHA1 Message Date
Sam Clegg
753387b3f6 [WebAsembly] Update default triple in test files to wasm32-unknown-unkown.
Summary: The final -wasm component has been the default for some time now.

Subscribers: jfb, dschuff, jgravelle-google, eraman, aheejin, JDevlieghere, sunfish, llvm-commits

Differential Revision: https://reviews.llvm.org/D46342

llvm-svn: 332007
2018-05-10 17:49:11 +00:00
Nicholas Wilson
2a23458dab [WebAssembly] Reorder symbol table to match MC order
This removes a TODO introduced in rL325860

Differential Revision: https://reviews.llvm.org/D43685

llvm-svn: 326334
2018-02-28 17:19:48 +00:00
Sam Clegg
4d3b657b4e [WebAssembly] MC: Use inline triple in test bitcode files
This matches the CodeGen tests and makes it a little easy
to run these from the command line manually.

Differential Revision: https://reviews.llvm.org/D42440

llvm-svn: 323275
2018-01-23 23:03:47 +00:00
Sam Clegg
cf4f07211b [WebAssembly] MC: Use zero for provisional value of undefined symbols
This is more in line with what happens in the final
executable when symbols are undefined (i.e. weak
references).

Differential Revision: https://reviews.llvm.org/D41840

llvm-svn: 322130
2018-01-09 22:44:02 +00:00
Sam Clegg
98d7dfcbb9 [WebAssembly] Use a separate wasm data segment for each global symbol
This is stepping stone towards honoring -fdata-sections
and letting the assembler decide how many wasm data
segments to create.

Differential Revision: https://reviews.llvm.org/D37834

llvm-svn: 313313
2017-09-14 23:07:53 +00:00
Sam Clegg
7fdc16cbf1 [WebAssembly] Update relocation names to match spec
Summary: See https://github.com/WebAssembly/tool-conventions/blob/master/Linking.md

Differential Revision: https://reviews.llvm.org/D37385

llvm-svn: 312342
2017-09-01 17:32:01 +00:00
Sam Clegg
1e7ea802fe [WebAssembly] Expose the offset of each data segment
Summary:
This allows tools like lld that process relocations
to apply data relocation correctly. This information
is required because relocation are stored as section
offset.

Subscribers: jfb, dschuff, jgravelle-google, aheejin

Differential Revision: https://reviews.llvm.org/D35234

llvm-svn: 307741
2017-07-12 00:24:54 +00:00
Sam Clegg
4974348d43 [WebAssembly] Fix symbol type for addresses of external functions
These symbols were previously not being marked as functions
so were appearing as globals instead, and with the incorrect
relocation type.

Without this fix, objects that take address of external
functions include them as global imports rather than function
imports which then fails at link time.

Differential Revision: https://reviews.llvm.org/D34068

llvm-svn: 305263
2017-06-13 01:42:21 +00:00
Sam Clegg
077f4728a6 [WebAssembly] MC: Fix references to undefined externals in data section
Undefined externals don't need to have a size or an offset.
This was broken by r303915.  Added a test for this case.

This fixes the "Compile LLVM Torture (o)" step on the wasm
waterfall.

Differential Revision: https://reviews.llvm.org/D33803

llvm-svn: 304505
2017-06-02 01:05:24 +00:00