--- /dev/null
+# RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown -o %t.o %s
+# RUN: wasm-ld %t.o -o %t.wasm
+# RUN: obj2yaml %t.wasm | FileCheck %s
+
+ .globl myctor
+myctor:
+ .functype myctor () -> (i32)
+ i32.const 1
+
+ end_function
+
+ .globl _start
+_start:
+ .functype _start () -> ()
+ call __wasm_call_ctors
+ end_function
+
+ .section .init_array.100,"",@
+ .p2align 2
+ .int32 myctor
+ .int32 myctor
+ .int32 myctor
+
+.type __wasm_call_ctors,@function
+
+# CHECK: - Type: CODE
+# CHECK-NEXT: Functions:
+# CHECK-NEXT: - Index: 0
+# CHECK-NEXT: Locals: []
+# CHECK-NEXT: Body: 10011A10011A10011A0B
+# CHECK-NEXT: - Index: 1
+# CHECK-NEXT: Locals: []
+# CHECK-NEXT: Body: 41010B
+# CHECK-NEXT: - Index: 2
+# CHECK-NEXT: Locals: []
+# CHECK-NEXT: Body: 1080808080000B
+# CHECK-NEXT: - Type: CUSTOM
+# CHECK-NEXT: Name: name
+# CHECK-NEXT: FunctionNames:
+# CHECK-NEXT: - Index: 0
+# CHECK-NEXT: Name: __wasm_call_ctors
+# CHECK-NEXT: - Index: 1
+# CHECK-NEXT: Name: myctor
+# CHECK-NEXT: - Index: 2
+# CHECK-NEXT: Name: _start
+# CHECK-NEXT: ...
for (const WasmInitEntry &f : initFunctions) {
writeU8(os, WASM_OPCODE_CALL, "CALL");
writeUleb128(os, f.sym->getFunctionIndex(), "function index");
+ for (size_t i = 0; i < f.sym->signature->Returns.size(); i++) {
+ writeU8(os, WASM_OPCODE_DROP, "DROP");
+ }
}
writeU8(os, WASM_OPCODE_END, "END");
}
if (sym->isDiscarded())
continue;
assert(sym->isLive());
- if (*sym->signature != WasmSignature{{}, {}})
- error("invalid signature for init func: " + toString(*sym));
+ if (sym->signature->Params.size() != 0)
+ error("constructor functions cannot take arguments: " + toString(*sym));
LLVM_DEBUG(dbgs() << "initFunctions: " << toString(*sym) << "\n");
initFunctions.emplace_back(WasmInitEntry{sym, f.Priority});
}