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| author | Nicholas Wilson <nicholas@nicholaswilson.me.uk> | 2018-03-27 17:38:51 +0000 |
|---|---|---|
| committer | Nicholas Wilson <nicholas@nicholaswilson.me.uk> | 2018-03-27 17:38:51 +0000 |
| commit | 874eedd779d9e447708d88529ea0beb77863328a (patch) | |
| tree | 5712bde73430d3fb7f822efe0ec0d1e2d460c54a /lld/test/wasm/import-table.test | |
| parent | ca1d849cd68e5db132e38cb9d9d80ba3afb8ca06 (diff) | |
| download | bcm5719-llvm-874eedd779d9e447708d88529ea0beb77863328a.tar.gz bcm5719-llvm-874eedd779d9e447708d88529ea0beb77863328a.zip | |
[WebAssembly] Add export/import for function pointer table
This enables callback-style programming where the JavaScript environment
can call back into the Wasm environment using a function pointer
received from the module.
Differential Revision: https://reviews.llvm.org/D44427
llvm-svn: 328643
Diffstat (limited to 'lld/test/wasm/import-table.test')
| -rw-r--r-- | lld/test/wasm/import-table.test | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/lld/test/wasm/import-table.test b/lld/test/wasm/import-table.test new file mode 100644 index 00000000000..98e07491ec4 --- /dev/null +++ b/lld/test/wasm/import-table.test @@ -0,0 +1,18 @@ +# RUN: llc -filetype=obj %p/Inputs/start.ll -o %t.start.o +# RUN: wasm-ld --check-signatures --import-table -o %t.wasm %t.start.o +# RUN: obj2yaml %t.wasm | FileCheck %s + +# Verify the --import-table flag creates a table import + +# CHECK: - Type: IMPORT +# CHECK-NEXT: Imports: +# CHECK-NEXT: - Module: env +# CHECK-NEXT: Field: __indirect_function_table +# CHECK-NEXT: Kind: TABLE +# CHECK-NEXT: Table: +# CHECK-NEXT: ElemType: ANYFUNC +# CHECK-NEXT: Limits: +# CHECK-NEXT: Flags: [ HAS_MAX ] +# CHECK-NEXT: Initial: 0x00000001 +# CHECK-NEXT: Maximum: 0x00000001 + |
