diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/link/Wasm/Flush.zig | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/src/link/Wasm/Flush.zig b/src/link/Wasm/Flush.zig index 0639d9fc41..ec36a795b1 100644 --- a/src/link/Wasm/Flush.zig +++ b/src/link/Wasm/Flush.zig @@ -564,13 +564,12 @@ pub fn finish(f: *Flush, wasm: *Wasm) !void { .__heap_base => @panic("TODO"), .__heap_end => @panic("TODO"), .__stack_pointer => { - try binary_bytes.appendSlice(gpa, &.{ - @intFromEnum(std.wasm.Valtype.i32), - @intFromBool(true), // mutable - @intFromEnum(std.wasm.Opcode.i32_const), - 0, // leb128 init value - @intFromEnum(std.wasm.Opcode.end), - }); + try binary_bytes.ensureUnusedCapacity(gpa, 9); + binary_bytes.appendAssumeCapacity(@intFromEnum(std.wasm.Valtype.i32)); + binary_bytes.appendAssumeCapacity(1); // mutable + binary_bytes.appendAssumeCapacity(@intFromEnum(std.wasm.Opcode.i32_const)); + leb.writeUleb128(binary_bytes.fixedWriter(), virtual_addrs.stack_pointer) catch unreachable; + binary_bytes.appendAssumeCapacity(@intFromEnum(std.wasm.Opcode.end)); }, .__tls_align => @panic("TODO"), .__tls_base => @panic("TODO"), |