mov r2, r3 bl 0 <memcpy> ldr r2, [sp, #36] ; 0x24 ldr r3, [sp, #28] str r2, [fp, #212] ; 0xd4 str r3, [fp, #208] ; 0xd0 add r2, r8, #16
时间: 2023-07-02 10:07:56 浏览: 154
这是一段 ARM 汇编代码,对应的 C 语言代码可能类似于:
```c
memcpy(r2, r3, size);
r2 = *(uint32_t *)(sp + 36);
r3 = *(uint32_t *)(sp + 28);
*(uint32_t *)(fp + 212) = r2;
*(uint32_t *)(fp + 208) = r3;
r2 = r8 + 16;
```
其中 `memcpy` 函数用于复制内存,`r2` 和 `r3` 分别为源地址和目标地址,`size` 表示需要复制的字节数。接下来的指令将栈中的值加载到寄存器中,并存储到栈帧中的指定偏移量处,最后一条指令计算了 `r8+16` 的值并将结果存储到 `r2` 中。
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