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[WebAssembly] Handle event exports 

Summary: This handles exports of events, which was missing.

Reviewers: sbc100

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

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D77566
This commit is contained in:
Heejin Ahn 2020-04-04 06:56:35 -07:00
parent 3a29393b47
commit c09acd5dd1
2 changed files with 11 additions and 0 deletions
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8
lld/test/wasm/event-section.ll
View File

@ -2,7 +2,9 @@
; RUN: llc -filetype=obj -exception-model=wasm -mattr=+exception-handling %p/Inputs/event-section2.ll -o %t2.o
; RUN: llc -filetype=obj -exception-model=wasm -mattr=+exception-handling %s -o %t.o
; RUN: wasm-ld -o %t.wasm %t.o %t1.o %t2.o
; RUN: wasm-ld --export-all -o %t-export-all.wasm %t.o %t1.o %t2.o
; RUN: obj2yaml %t.wasm | FileCheck %s
; RUN: obj2yaml %t-export-all.wasm | FileCheck %s --check-prefix=EXPORT-ALL
target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
target triple = "wasm32-unknown-unknown"
@ -35,3 +37,9 @@ define void @_start() {
; Global section has to come after event section
; CHECK: - Type: GLOBAL
; EXPORT-ALL: - Type: EXPORT
; EXPORT-ALL-NEXT Exports:
; EXPORT-ALL: - Name: __cpp_exception
; EXPORT-ALL: Kind: EVENT
; EXPORT-ALL: Index: 0

3
lld/wasm/WriterUtils.cpp
View File

@ -217,6 +217,9 @@ void writeExport(raw_ostream &os, const WasmExport &export_) {
case WASM_EXTERNAL_GLOBAL:
writeUleb128(os, export_.Index, "global index");
break;
case WASM_EXTERNAL_EVENT:
writeUleb128(os, export_.Index, "event index");
break;
case WASM_EXTERNAL_MEMORY:
writeUleb128(os, export_.Index, "memory index");
break;