ylfeng/ReF-Decompile-dataset huggingface dataset:
user: What is the c source code of the assembly code below:

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x0,%eax
  call   <gmove_bca_1a2t_b3@plt>
  mov    $0x0,%eax
  call   <gmove_bca_1a2t_b4@plt>
  mov    $0x0,%eax
  call   <gmove_bca_1a2t_b5@plt>
  mov    $0x0,%eax
  call   <gmove_bca_1a2t_b6@plt>
  mov    $0x0,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int main() {
  gmove_bca_1a2t_b3();
  gmove_bca_1a2t_b4();
  gmove_bca_1a2t_b5();
  gmove_bca_1a2t_b6();
  return 0;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <gmove_bca_1a2t_b3@plt>
  xor    %eax,%eax
  call   <gmove_bca_1a2t_b4@plt>
  xor    %eax,%eax
  call   <gmove_bca_1a2t_b5@plt>
  xor    %eax,%eax
  call   <gmove_bca_1a2t_b6@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int main() {
  gmove_bca_1a2t_b3();
  gmove_bca_1a2t_b4();
  gmove_bca_1a2t_b5();
  gmove_bca_1a2t_b6();
  return 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <gmove_bca_1a2t_b3@plt>
  xor    %eax,%eax
  call   <gmove_bca_1a2t_b4@plt>
  xor    %eax,%eax
  call   <gmove_bca_1a2t_b5@plt>
  xor    %eax,%eax
  call   <gmove_bca_1a2t_b6@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int main() {
  gmove_bca_1a2t_b3();
  gmove_bca_1a2t_b4();
  gmove_bca_1a2t_b5();
  gmove_bca_1a2t_b6();
  return 0;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<dec_oid>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    %rdx,-0x28(%rbp)
  mov    %ecx,-0x20(%rbp)
  movl   $0x0,-0x8(%rbp)
  movl   $0x0,-0x4(%rbp)
  jmp    L13
L0:
  mov    -0x4(%rbp),%eax
  shl    $0x7,%eax
  mov    %eax,%edx
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  and    $0x7f,%eax
  add    %edx,%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  js     L27
  cmpl   $0x0,-0x8(%rbp)
  jne    L14
  mov    -0x28(%rbp),%rax
  lea    0x4(%rax),%rdx
  mov    %rdx,-0x28(%rbp)
  mov    -0x4(%rbp),%edx
  mov    %edx,%ecx
  mov    $0xcccccccd,%edx
  imul   %rcx,%rdx
  shr    $0x20,%rdx
  shr    $0x5,%edx
  mov    %edx,(%rax)
  mov    -0x4(%rbp),%edx
  mov    %edx,%ecx
  mov    $0xcccccccd,%eax
  imul   %rcx,%rax
  shr    $0x20,%rax
  mov    %eax,%ecx
  shr    $0x5,%ecx
  mov    %ecx,%eax
  shl    $0x2,%eax
  add    %ecx,%eax
  shl    $0x3,%eax
  sub    %eax,%edx
  mov    %edx,-0x4(%rbp)
  subl   $0x1,-0x20(%rbp)
  addl   $0x1,-0x8(%rbp)
L14:
  mov    -0x28(%rbp),%rax
  lea    0x4(%rax),%rdx
  mov    %rdx,-0x28(%rbp)
  mov    -0x4(%rbp),%edx
  mov    %edx,(%rax)
  subl   $0x1,-0x20(%rbp)
  addl   $0x1,-0x8(%rbp)
  movl   $0x0,-0x4(%rbp)
L27:
  addq   $0x1,-0x18(%rbp)
  subl   $0x1,-0x1c(%rbp)
L13:
  cmpl   $0x0,-0x1c(%rbp)
  jle    L19
  cmpl   $0x0,-0x20(%rbp)
  jg     L0
L19:
  mov    -0x8(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
int dec_oid(unsigned char *p_data, int l_data, unsigned int *oid, int l_oid) {
  int len = 0;
  unsigned int id = 0;
  while (l_data > 0 && l_oid > 0) {
    id = (id << 7) + (*p_data & 0x7f);
    if ((*p_data & 0x80) == 0) {
      if (len == 0) {
        *oid++ = id / 40;
        id %= 40;
        l_oid--;
        len++;
      }
      *oid++ = id;
      l_oid--;
      len++;
      id = 0;
    }
    p_data++;
    l_data--;
  }
  return (len);
}
```
user: Translate the below assembly code into C programming language:

```asm
<dec_oid>:
  endbr64
  test   %esi,%esi
  jle    L62
  mov    %rdx,%r10
  mov    %ecx,%r9d
  test   %ecx,%ecx
  jle    L62
  push   %rbx
  mov    %rdi,%r8
  mov    $0x0,%eax
  mov    $0x0,%ecx
  mov    $0x0,%r11d
  mov    $0xcccccccd,%ebx
  add    %esi,%edi
  jmp    L26
L69:
  mov    %eax,(%r10)
  sub    $0x1,%r9d
  add    $0x1,%ecx
  lea    0x4(%r10),%r10
  mov    %r11d,%eax
L66:
  add    $0x1,%r8
  mov    %edi,%edx
  sub    %r8d,%edx
  test   %edx,%edx
  jle    L24
  test   %r9d,%r9d
  jle    L24
L26:
  shl    $0x7,%eax
  movzbl (%r8),%edx
  mov    %edx,%esi
  and    $0x7f,%esi
  add    %esi,%eax
  test   %dl,%dl
  js     L66
  test   %ecx,%ecx
  jne    L69
  mov    %eax,%edx
  imul   %rbx,%rdx
  shr    $0x25,%rdx
  mov    %edx,(%r10)
  lea    (%rdx,%rdx,4),%edx
  shl    $0x3,%edx
  sub    %edx,%eax
  sub    $0x1,%r9d
  lea    0x4(%r10),%r10
  mov    $0x1,%ecx
  jmp    L69
L62:
  mov    $0x0,%ecx
  mov    %ecx,%eax
  ret
L24:
  mov    %ecx,%eax
  pop    %rbx
  ret
```

assistant: ```c
int dec_oid(unsigned char *p_data, int l_data, unsigned int *oid, int l_oid) {
  int len = 0;
  unsigned int id = 0;
  while (l_data > 0 && l_oid > 0) {
    id = (id << 7) + (*p_data & 0x7f);
    if ((*p_data & 0x80) == 0) {
      if (len == 0) {
        *oid++ = id / 40;
        id %= 40;
        l_oid--;
        len++;
      }
      *oid++ = id;
      l_oid--;
      len++;
      id = 0;
    }
    p_data++;
    l_data--;
  }
  return (len);
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<dec_oid>:
  endbr64
  mov    %rdx,%r8
  test   %esi,%esi
  jle    L23
  test   %ecx,%ecx
  jle    L23
  xor    %eax,%eax
  xor    %r9d,%r9d
  lea    (%rsi,%rdi,1),%r10d
  mov    $0xcccccccd,%r11d
  jmp    L6
L47:
  add    $0x1,%r9d
  mov    %r8,%rsi
L36:
  mov    %eax,(%rsi)
  lea    0x4(%rsi),%r8
  sub    $0x1,%ecx
  xor    %eax,%eax
L10:
  add    $0x1,%rdi
  mov    %r10d,%edx
  sub    %edi,%edx
  test   %edx,%edx
  jle    L75
  test   %ecx,%ecx
  jle    L75
L6:
  movzbl (%rdi),%edx
  shl    $0x7,%eax
  mov    %edx,%esi
  and    $0x7f,%esi
  add    %esi,%eax
  test   %dl,%dl
  js     L10
  test   %r9d,%r9d
  jne    L47
  mov    %eax,%edx
  lea    0x4(%r8),%rsi
  sub    $0x1,%ecx
  mov    $0x2,%r9d
  imul   %r11,%rdx
  shr    $0x25,%rdx
  mov    %edx,(%r8)
  lea    (%rdx,%rdx,4),%edx
  shl    $0x3,%edx
  sub    %edx,%eax
  jmp    L36
  nopl   (%rax)
L23:
  xor    %r9d,%r9d
L75:
  mov    %r9d,%eax
  ret
```

assistant: ```c
int dec_oid(unsigned char *p_data, int l_data, unsigned int *oid, int l_oid) {
  int len = 0;
  unsigned int id = 0;
  while (l_data > 0 && l_oid > 0) {
    id = (id << 7) + (*p_data & 0x7f);
    if ((*p_data & 0x80) == 0) {
      if (len == 0) {
        *oid++ = id / 40;
        id %= 40;
        l_oid--;
        len++;
      }
      *oid++ = id;
      l_oid--;
      len++;
      id = 0;
    }
    p_data++;
    l_data--;
  }
  return (len);
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<dec_oid>:
  endbr64
  mov    %rdx,%r8
  test   %esi,%esi
  jle    L64
  test   %ecx,%ecx
  jle    L64
  xor    %eax,%eax
  xor    %r9d,%r9d
  lea    (%rsi,%rdi,1),%r10d
  mov    $0xcccccccd,%r11d
  jmp    L56
L10:
  add    $0x1,%r9d
  mov    %r8,%rsi
L35:
  mov    %eax,(%rsi)
  lea    0x4(%rsi),%r8
  sub    $0x1,%ecx
  xor    %eax,%eax
L41:
  add    $0x1,%rdi
  mov    %r10d,%edx
  sub    %edi,%edx
  test   %edx,%edx
  jle    L47
  test   %ecx,%ecx
  jle    L47
L56:
  movzbl (%rdi),%edx
  shl    $0x7,%eax
  mov    %edx,%esi
  and    $0x7f,%esi
  add    %esi,%eax
  test   %dl,%dl
  js     L41
  test   %r9d,%r9d
  jne    L10
  mov    %eax,%edx
  lea    0x4(%r8),%rsi
  sub    $0x1,%ecx
  mov    $0x2,%r9d
  imul   %r11,%rdx
  shr    $0x25,%rdx
  mov    %edx,(%r8)
  lea    (%rdx,%rdx,4),%edx
  shl    $0x3,%edx
  sub    %edx,%eax
  jmp    L35
  nopl   (%rax)
L64:
  xor    %r9d,%r9d
L47:
  mov    %r9d,%eax
  ret
```

assistant: ```c
int dec_oid(unsigned char *p_data, int l_data, unsigned int *oid, int l_oid) {
  int len = 0;
  unsigned int id = 0;
  while (l_data > 0 && l_oid > 0) {
    id = (id << 7) + (*p_data & 0x7f);
    if ((*p_data & 0x80) == 0) {
      if (len == 0) {
        *oid++ = id / 40;
        id %= 40;
        l_oid--;
        len++;
      }
      *oid++ = id;
      l_oid--;
      len++;
      id = 0;
    }
    p_data++;
    l_data--;
  }
  return (len);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<set_noecho>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,-0x14(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0xc(%rbp),%rdx
  mov    -0x14(%rbp),%eax
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <tcgetattr@plt>
  test   %rax,%rax
  js     L16
  mov    -0xc(%rbp),%edx
  mov    D32(%rip),%rax
  mov    (%rax),%ecx
  mov    D9(%rip),%rax
  mov    (%rax),%eax
  or     %eax,%ecx
  mov    D13(%rip),%rax
  mov    (%rax),%eax
  or     %eax,%ecx
  mov    D49(%rip),%rax
  mov    (%rax),%eax
  or     %ecx,%eax
  not    %eax
  and    %edx,%eax
  mov    %eax,-0xc(%rbp)
  mov    D21(%rip),%rax
  mov    (%rax),%ecx
  lea    -0xc(%rbp),%rdx
  mov    -0x14(%rbp),%eax
  mov    %ecx,%esi
  mov    %eax,%edi
  call   <tcsetattr@plt>
  jmp    L20
L16:
  nop
L20:
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L26
  call   <__stack_chk_fail@plt>
L26:
  leave
  ret
```

assistant: ```c
void set_noecho(int fd) {
  struct termios stermios;
  if (tcgetattr(fd, &stermios) < 0) {
    return;
  }
  stermios.c_lflag &= ~(ECHO | ECHOE | ECHOK | ECHONL);
  tcsetattr(fd, TCSANOW, &stermios);
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<set_noecho>:
  endbr64
  push   %rbx
  sub    $0x10,%rsp
  mov    %edi,%ebx
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rsi
  call   <tcgetattr@plt>
  test   %rax,%rax
  js     L10
  mov    D0(%rip),%rax
  mov    (%rax),%eax
  mov    D1(%rip),%rdx
  or     (%rdx),%eax
  mov    D7(%rip),%rdx
  or     (%rdx),%eax
  mov    D10(%rip),%rdx
  or     (%rdx),%eax
  not    %eax
  and    %eax,0x4(%rsp)
  lea    0x4(%rsp),%rdx
  mov    D11(%rip),%rax
  mov    (%rax),%esi
  mov    %ebx,%edi
  call   <tcsetattr@plt>
L10:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L14
  add    $0x10,%rsp
  pop    %rbx
  ret
L14:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void set_noecho(int fd) {
  struct termios stermios;
  if (tcgetattr(fd, &stermios) < 0) {
    return;
  }
  stermios.c_lflag &= ~(ECHO | ECHOE | ECHOK | ECHONL);
  tcsetattr(fd, TCSANOW, &stermios);
}
```
user: Translate the below assembly code into C programming language:

```asm
<set_noecho>:
  endbr64
  push   %r12
  push   %rbp
  mov    %edi,%ebp
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%r12
  mov    %r12,%rsi
  call   <tcgetattr@plt>
  test   %rax,%rax
  js     L11
  mov    D9(%rip),%rdx
  mov    D37(%rip),%rax
  mov    %ebp,%edi
  mov    (%rax),%eax
  or     (%rdx),%eax
  mov    D8(%rip),%rdx
  or     (%rdx),%eax
  mov    D49(%rip),%rdx
  or     (%rdx),%eax
  mov    %r12,%rdx
  not    %eax
  and    %eax,0x4(%rsp)
  mov    D46(%rip),%rax
  mov    (%rax),%esi
  call   <tcsetattr@plt>
L11:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L14
  add    $0x18,%rsp
  pop    %rbp
  pop    %r12
  ret
L14:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void set_noecho(int fd) {
  struct termios stermios;
  if (tcgetattr(fd, &stermios) < 0) {
    return;
  }
  stermios.c_lflag &= ~(ECHO | ECHOE | ECHOK | ECHONL);
  tcsetattr(fd, TCSANOW, &stermios);
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<set_noecho>:
  endbr64
  push   %r12
  push   %rbp
  mov    %edi,%ebp
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%r12
  mov    %r12,%rsi
  call   <tcgetattr@plt>
  test   %rax,%rax
  js     L14
  mov    D10(%rip),%rdx
  mov    D34(%rip),%rax
  mov    %ebp,%edi
  mov    (%rax),%eax
  or     (%rdx),%eax
  mov    D7(%rip),%rdx
  or     (%rdx),%eax
  mov    D6(%rip),%rdx
  or     (%rdx),%eax
  mov    %r12,%rdx
  not    %eax
  and    %eax,0x4(%rsp)
  mov    D25(%rip),%rax
  mov    (%rax),%esi
  call   <tcsetattr@plt>
L14:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L7
  add    $0x18,%rsp
  pop    %rbp
  pop    %r12
  ret
L7:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void set_noecho(int fd) {
  struct termios stermios;
  if (tcgetattr(fd, &stermios) < 0) {
    return;
  }
  stermios.c_lflag &= ~(ECHO | ECHOE | ECHOK | ECHONL);
  tcsetattr(fd, TCSANOW, &stermios);
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<GetPacket>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
L72:
  lea    -0x10(%rbp),%rax
  mov    $0x1,%esi
  mov    %rax,%rdi
  call   <UARTReceiveData@plt>
  test   %rax,%rax
  je     L33
  mov    $0xffffffff,%eax
  jmp    L32
L33:
  mov    -0x10(%rbp),%rax
  test   %rax,%rax
  je     L72
  lea    -0x18(%rbp),%rax
  mov    $0x1,%esi
  mov    %rax,%rdi
  call   <UARTReceiveData@plt>
  test   %rax,%rax
  je     L99
  mov    $0xffffffff,%eax
  jmp    L32
L99:
  mov    -0x10(%rbp),%rax
  lea    -0x2(%rax),%rdx
  mov    -0x30(%rbp),%rax
  mov    %rdx,(%rax)
  mov    -0x30(%rbp),%rax
  mov    (%rax),%rdx
  mov    -0x28(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <UARTReceiveData@plt>
  test   %rax,%rax
  je     L53
  mov    -0x30(%rbp),%rax
  movq   $0x0,(%rax)
  mov    $0xffffffff,%eax
  jmp    L32
L53:
  mov    -0x30(%rbp),%rax
  mov    (%rax),%rdx
  mov    -0x28(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <CheckSum@plt>
  mov    -0x18(%rbp),%rdx
  cmp    %rdx,%rax
  je     L62
  mov    -0x30(%rbp),%rax
  movq   $0x0,(%rax)
  mov    $0x0,%eax
  call   <NakPacket@plt>
  jmp    L32
L62:
  mov    $0x0,%eax
  call   <AckPacket@plt>
L32:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L34
  call   <__stack_chk_fail@plt>
L34:
  leave
  ret
```

assistant: ```c
int32_t GetPacket(uint8_t *pui8Data, uint8_t *pui8Size) {
  uint8_t ui8CheckSum;
  uint8_t ui8Size;
  do {
    if (UARTReceiveData(&ui8Size, 1)) {
      return (-1);
    }
  } while (ui8Size == 0);
  if (UARTReceiveData(&ui8CheckSum, 1)) {
    return (-1);
  }
  *pui8Size = ui8Size - 2;
  if (UARTReceiveData(pui8Data, *pui8Size)) {
    *pui8Size = 0;
    return (-1);
  }
  if (CheckSum(pui8Data, *pui8Size) != ui8CheckSum) {
    *pui8Size = 0;
    return (NakPacket());
  }
  return (AckPacket());
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<GetPacket>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x20,%rsp
  mov    %rdi,%r12
  mov    %rsi,%rbp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  lea    0x10(%rsp),%rbx
L38:
  mov    $0x1,%esi
  mov    %rbx,%rdi
  call   <UARTReceiveData@plt>
  test   %rax,%rax
  jne    L19
  cmpq   $0x0,0x10(%rsp)
  je     L38
  lea    0x8(%rsp),%rdi
  mov    $0x1,%esi
  call   <UARTReceiveData@plt>
  test   %rax,%rax
  jne    L72
  mov    0x10(%rsp),%rax
  lea    -0x2(%rax),%rsi
  mov    %rsi,0x0(%rbp)
  mov    %r12,%rdi
  call   <UARTReceiveData@plt>
  test   %rax,%rax
  jne    L64
  mov    0x0(%rbp),%rsi
  mov    %r12,%rdi
  call   <CheckSum@plt>
  cmp    0x8(%rsp),%rax
  je     L73
  movq   $0x0,0x0(%rbp)
  mov    $0x0,%eax
  call   <NakPacket@plt>
  jmp    L88
L64:
  movq   $0x0,0x0(%rbp)
  mov    $0xffffffff,%eax
  jmp    L88
L73:
  mov    $0x0,%eax
  call   <AckPacket@plt>
  jmp    L88
L19:
  mov    $0xffffffff,%eax
L88:
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L44
  add    $0x20,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L72:
  mov    $0xffffffff,%eax
  jmp    L88
L44:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int32_t GetPacket(uint8_t *pui8Data, uint8_t *pui8Size) {
  uint8_t ui8CheckSum;
  uint8_t ui8Size;
  do {
    if (UARTReceiveData(&ui8Size, 1)) {
      return (-1);
    }
  } while (ui8Size == 0);
  if (UARTReceiveData(&ui8CheckSum, 1)) {
    return (-1);
  }
  *pui8Size = ui8Size - 2;
  if (UARTReceiveData(pui8Data, *pui8Size)) {
    *pui8Size = 0;
    return (-1);
  }
  if (CheckSum(pui8Data, *pui8Size) != ui8CheckSum) {
    *pui8Size = 0;
    return (NakPacket());
  }
  return (AckPacket());
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<GetPacket>:
  endbr64
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  lea    0x10(%rsp),%rbx
  jmp    L3
  nopl   0x0(%rax)
L98:
  cmpq   $0x0,0x10(%rsp)
  jne    L37
L3:
  mov    $0x1,%esi
  mov    %rbx,%rdi
  call   <UARTReceiveData@plt>
  test   %rax,%rax
  je     L98
L48:
  mov    $0xffffffff,%eax
L69:
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L71
  add    $0x20,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax)
L37:
  lea    0x8(%rsp),%rdi
  mov    $0x1,%esi
  call   <UARTReceiveData@plt>
  test   %rax,%rax
  jne    L48
  mov    0x10(%rsp),%rax
  mov    %r12,%rdi
  lea    -0x2(%rax),%rsi
  mov    %rsi,0x0(%rbp)
  call   <UARTReceiveData@plt>
  test   %rax,%rax
  jne    L62
  mov    0x0(%rbp),%rsi
  mov    %r12,%rdi
  call   <CheckSum@plt>
  cmp    0x8(%rsp),%rax
  je     L94
  movq   $0x0,0x0(%rbp)
  xor    %eax,%eax
  call   <NakPacket@plt>
  jmp    L69
  nopw   0x0(%rax,%rax,1)
L94:
  xor    %eax,%eax
  call   <AckPacket@plt>
  jmp    L69
L62:
  movq   $0x0,0x0(%rbp)
  jmp    L48
L71:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int32_t GetPacket(uint8_t *pui8Data, uint8_t *pui8Size) {
  uint8_t ui8CheckSum;
  uint8_t ui8Size;
  do {
    if (UARTReceiveData(&ui8Size, 1)) {
      return (-1);
    }
  } while (ui8Size == 0);
  if (UARTReceiveData(&ui8CheckSum, 1)) {
    return (-1);
  }
  *pui8Size = ui8Size - 2;
  if (UARTReceiveData(pui8Data, *pui8Size)) {
    *pui8Size = 0;
    return (-1);
  }
  if (CheckSum(pui8Data, *pui8Size) != ui8CheckSum) {
    *pui8Size = 0;
    return (NakPacket());
  }
  return (AckPacket());
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<GetPacket>:
  endbr64
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  lea    0x10(%rsp),%rbx
  jmp    L98
  nopl   0x0(%rax)
L21:
  cmpq   $0x0,0x10(%rsp)
  jne    L57
L98:
  mov    $0x1,%esi
  mov    %rbx,%rdi
  call   <UARTReceiveData@plt>
  test   %rax,%rax
  je     L21
L97:
  mov    $0xffffffff,%eax
L40:
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L83
  add    $0x20,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax)
L57:
  lea    0x8(%rsp),%rdi
  mov    $0x1,%esi
  call   <UARTReceiveData@plt>
  test   %rax,%rax
  jne    L97
  mov    0x10(%rsp),%rax
  mov    %r12,%rdi
  lea    -0x2(%rax),%rsi
  mov    %rsi,0x0(%rbp)
  call   <UARTReceiveData@plt>
  test   %rax,%rax
  jne    L68
  mov    0x0(%rbp),%rsi
  mov    %r12,%rdi
  call   <CheckSum@plt>
  cmp    0x8(%rsp),%rax
  je     L96
  movq   $0x0,0x0(%rbp)
  xor    %eax,%eax
  call   <NakPacket@plt>
  jmp    L40
  nopw   0x0(%rax,%rax,1)
L96:
  xor    %eax,%eax
  call   <AckPacket@plt>
  jmp    L40
L68:
  movq   $0x0,0x0(%rbp)
  jmp    L97
L83:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int32_t GetPacket(uint8_t *pui8Data, uint8_t *pui8Size) {
  uint8_t ui8CheckSum;
  uint8_t ui8Size;
  do {
    if (UARTReceiveData(&ui8Size, 1)) {
      return (-1);
    }
  } while (ui8Size == 0);
  if (UARTReceiveData(&ui8CheckSum, 1)) {
    return (-1);
  }
  *pui8Size = ui8Size - 2;
  if (UARTReceiveData(pui8Data, *pui8Size)) {
    *pui8Size = 0;
    return (-1);
  }
  if (CheckSum(pui8Data, *pui8Size) != ui8CheckSum) {
    *pui8Size = 0;
    return (NakPacket());
  }
  return (AckPacket());
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<all_lower>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbx
  jmp    L46
L49:
  movzbl (%rbx),%eax
  test   %al,%al
  js     L38
  movzbl (%rbx),%eax
  movzbl %al,%eax
  mov    %eax,%edi
  call   <islower@plt>
  test   %eax,%eax
  jne    L21
L38:
  mov    $0x0,%eax
  jmp    L30
L21:
  add    $0x1,%rbx
L46:
  movzbl (%rbx),%eax
  test   %al,%al
  jne    L49
  mov    $0x1,%eax
L30:
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
int all_lower(str)
register unsigned char *str;
{
  while (*str) {
    if (!((*str) <= 0177) || !islower(*str))
      return (0);
    ++str;
  }
  return (1);
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<all_lower>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  movzbl (%rdi),%edi
  test   %dil,%dil
  je     L48
L5:
  test   %dil,%dil
  js     L49
  movzbl %dil,%edi
  call   <islower@plt>
  test   %eax,%eax
  je     L52
  add    $0x1,%rbx
  movzbl (%rbx),%edi
  test   %dil,%dil
  jne    L5
  mov    $0x1,%eax
  jmp    L52
L48:
  mov    $0x1,%eax
  jmp    L52
L49:
  mov    $0x0,%eax
L52:
  pop    %rbx
  ret
```

assistant: ```c
int all_lower(str)
register unsigned char *str;
{
  while (*str) {
    if (!((*str) <= 0177) || !islower(*str))
      return (0);
    ++str;
  }
  return (1);
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<all_lower>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  movzbl (%rdi),%edi
  test   %dil,%dil
  jne    L23
  jmp    L22
  nopw   0x0(%rax,%rax,1)
L42:
  call   <islower@plt>
  test   %eax,%eax
  je     L20
  movzbl 0x1(%rbx),%edi
  add    $0x1,%rbx
  test   %dil,%dil
  je     L22
L23:
  test   %dil,%dil
  jns    L42
  xor    %eax,%eax
L20:
  pop    %rbx
  ret
  nopw   0x0(%rax,%rax,1)
L22:
  mov    $0x1,%eax
  pop    %rbx
  ret
```

assistant: ```c
int all_lower(str)
register unsigned char *str;
{
  while (*str) {
    if (!((*str) <= 0177) || !islower(*str))
      return (0);
    ++str;
  }
  return (1);
}
```
user: What is the c source code of the assembly code below:

```asm
<all_lower>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  movzbl (%rdi),%edi
  test   %dil,%dil
  jne    L29
  jmp    L48
  nopw   0x0(%rax,%rax,1)
L2:
  call   <islower@plt>
  test   %eax,%eax
  je     L26
  movzbl 0x1(%rbx),%edi
  add    $0x1,%rbx
  test   %dil,%dil
  je     L48
L29:
  test   %dil,%dil
  jns    L2
  xor    %eax,%eax
L26:
  pop    %rbx
  ret
  nopw   0x0(%rax,%rax,1)
L48:
  mov    $0x1,%eax
  pop    %rbx
  ret
```

assistant: ```c
int all_lower(str)
register unsigned char *str;
{
  while (*str) {
    if (!((*str) <= 0177) || !islower(*str))
      return (0);
    ++str;
  }
  return (1);
}
```