步骤B：vm 执行 LOAD_PTR/STORE_PTR（rs1 值区地址基址+偏移，越界 BadSlot）

2026-08-27 09:14:51 +08:00
parent 68261cd78b
commit f32a8c6aa6
1 changed files with 19 additions and 0 deletions
@@ -351,6 +351,25 @@ bool Machine::exec_one() {
        }
        return true;
    }
+    if (std::strcmp(name, "LOAD_PTR") == 0) {
+        // 基址寻址：rs1 寄存器 = 值区地址（实例指针）+ 偏移，跳过槽表直读
+        const uint32_t base = static_cast<uint32_t>(fr.regs[d.rs1]);
+        if (!read_value(base + static_cast<uint32_t>(d.off_hi), func, &v1)) {
+            fault_ = Fault::BadSlot;
+            return false;
+        }
+        fr.regs[d.rd] = v1;
+        return true;
+    }
+    if (std::strcmp(name, "STORE_PTR") == 0) {
+        const uint32_t base = static_cast<uint32_t>(fr.regs[d.rs1]);
+        if (!write_value(base + static_cast<uint32_t>(d.off_hi), func,
+                         fr.regs[d.rd])) {
+            fault_ = Fault::BadSlot;
+            return false;
+        }
+        return true;
+    }
    if (std::strcmp(name, "NOT") == 0) {
        // 逻辑非（恒产 0/1）：BOOL 域语义；位串逐位取反需专用指令（v1 无）
        fr.regs[d.rd] = (fr.regs[d.rs1] == 0) ? 1 : 0;