[WebAssembly] MC: Fix crash when -g specified.
At this point we don't output any debug sections or thier
relocations.
Differential Revision: https://reviews.llvm.org/D39076
llvm-svn: 316240
diff --git a/llvm/lib/MC/WasmObjectWriter.cpp b/llvm/lib/MC/WasmObjectWriter.cpp
index 55e7c93..44f2ba6 100644
--- a/llvm/lib/MC/WasmObjectWriter.cpp
+++ b/llvm/lib/MC/WasmObjectWriter.cpp
@@ -437,10 +437,13 @@
WasmRelocationEntry Rec(FixupOffset, SymA, C, Type, &FixupSection);
DEBUG(dbgs() << "WasmReloc: " << Rec << "\n");
- if (FixupSection.hasInstructions())
- CodeRelocations.push_back(Rec);
- else
+ if (FixupSection.isWasmData())
DataRelocations.push_back(Rec);
+ else if (FixupSection.getKind().isText())
+ CodeRelocations.push_back(Rec);
+ else if (!FixupSection.getKind().isMetadata())
+ // TODO(sbc): Add support for debug sections.
+ llvm_unreachable("unexpected section type");
}
// Write X as an (unsigned) LEB value at offset Offset in Stream, padded
@@ -1060,7 +1063,8 @@
// In the special .global_variables section, we've encoded global
// variables used by the function. Translate them into the Globals
// list.
- MCSectionWasm *GlobalVars = Ctx.getWasmSection(".global_variables", wasm::WASM_SEC_DATA);
+ MCSectionWasm *GlobalVars =
+ Ctx.getWasmSection(".global_variables", SectionKind::getMetadata());
if (!GlobalVars->getFragmentList().empty()) {
if (GlobalVars->getFragmentList().size() != 1)
report_fatal_error("only one .global_variables fragment supported");
@@ -1116,7 +1120,8 @@
// In the special .stack_pointer section, we've encoded the stack pointer
// index.
- MCSectionWasm *StackPtr = Ctx.getWasmSection(".stack_pointer", wasm::WASM_SEC_DATA);
+ MCSectionWasm *StackPtr =
+ Ctx.getWasmSection(".stack_pointer", SectionKind::getMetadata());
if (!StackPtr->getFragmentList().empty()) {
if (StackPtr->getFragmentList().size() != 1)
report_fatal_error("only one .stack_pointer fragment supported");
@@ -1135,7 +1140,7 @@
for (MCSection &Sec : Asm) {
auto &Section = static_cast<MCSectionWasm &>(Sec);
- if (Section.getType() != wasm::WASM_SEC_DATA)
+ if (!Section.isWasmData())
continue;
DataSize = alignTo(DataSize, Section.getAlignment());