ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 请从给定的汇编指令推导出C源代码：

```asm
<strcmp>:
  endbr64
  movzbl (%rdi),%edx
  movsbl %dl,%eax
  movsbl (%rsi),%ecx
  sub    %ecx,%eax
  test   %dl,%dl
  je     L27
  test   %eax,%eax
  jne    L27
  mov    $0x1,%edx
L33:
  movzbl (%rdi,%rdx,1),%ecx
  movsbl %cl,%eax
  movsbl (%rsi,%rdx,1),%r8d
  sub    %r8d,%eax
  add    $0x1,%rdx
  test   %cl,%cl
  je     L27
  test   %eax,%eax
  je     L33
L27:
  ret
```

assistant: ```c
int strcmp(const char *s1, const char *s2) {
  int res;
  while (1) {
    if ((res = *s1 - *s2) != 0 || *s1 == '\0')
      break;
    s1++, s2++;
  }
  return res;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<strcmp>:
  endbr64
  movsbl (%rdi),%eax
  movsbl (%rsi),%edx
  mov    %eax,%r8d
  sub    %edx,%eax
  jne    L2
  mov    $0x1,%edx
  jmp    L32
  nopl   0x0(%rax,%rax,1)
L21:
  movsbl (%rdi,%rdx,1),%ecx
  movsbl (%rsi,%rdx,1),%r9d
  add    $0x1,%rdx
  mov    %ecx,%r8d
  sub    %r9d,%ecx
  jne    L15
L32:
  test   %r8b,%r8b
  jne    L21
L2:
  ret
  nopl   0x0(%rax,%rax,1)
L15:
  mov    %ecx,%eax
  ret
```

assistant: ```c
int strcmp(const char *s1, const char *s2) {
  int res;
  while (1) {
    if ((res = *s1 - *s2) != 0 || *s1 == '\0')
      break;
    s1++, s2++;
  }
  return res;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<strcmp>:
  endbr64
  movsbl (%rdi),%eax
  movsbl (%rsi),%edx
  mov    %eax,%r8d
  sub    %edx,%eax
  jne    L39
  mov    $0x1,%edx
  jmp    L34
  nopl   0x0(%rax,%rax,1)
L23:
  movsbl (%rdi,%rdx,1),%ecx
  movsbl (%rsi,%rdx,1),%r9d
  add    $0x1,%rdx
  mov    %ecx,%r8d
  sub    %r9d,%ecx
  jne    L30
L34:
  test   %r8b,%r8b
  jne    L23
L39:
  ret
  nopl   0x0(%rax,%rax,1)
L30:
  mov    %ecx,%eax
  ret
```

assistant: ```c
int strcmp(const char *s1, const char *s2) {
  int res;
  while (1) {
    if ((res = *s1 - *s2) != 0 || *s1 == '\0')
      break;
    s1++, s2++;
  }
  return res;
}
```
user: Translate the below assembly code into C programming language:

```asm
<_PDCLIB_c32slen>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  movq   $0x0,-0x8(%rbp)
  jmp    L10
L12:
  addq   $0x1,-0x8(%rbp)
L10:
  mov    -0x18(%rbp),%rax
  lea    0x4(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  mov    (%rax),%eax
  test   %eax,%eax
  jne    L12
  mov    -0x8(%rbp),%rax
  pop    %rbp
  ret
```

assistant: ```c
size_t _PDCLIB_c32slen(const char32_t *str) {
  size_t n = 0;
  while (*(str++))
    n++;
  return n;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<_PDCLIB_c32slen>:
  endbr64
  cmpl   $0x0,(%rdi)
  je     L16
  mov    $0x0,%eax
L4:
  add    $0x1,%rax
  cmpl   $0x0,(%rdi,%rax,4)
  jne    L4
  ret
L16:
  mov    $0x0,%eax
  ret
```

assistant: ```c
size_t _PDCLIB_c32slen(const char32_t *str) {
  size_t n = 0;
  while (*(str++))
    n++;
  return n;
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<_PDCLIB_c32slen>:
  endbr64
  mov    (%rdi),%ecx
  xor    %eax,%eax
  test   %ecx,%ecx
  je     L3
  nopl   0x0(%rax)
L12:
  add    $0x1,%rax
  mov    (%rdi,%rax,4),%edx
  test   %edx,%edx
  jne    L12
  ret
  nopl   0x0(%rax)
L3:
  ret
```

assistant: ```c
size_t _PDCLIB_c32slen(const char32_t *str) {
  size_t n = 0;
  while (*(str++))
    n++;
  return n;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<_PDCLIB_c32slen>:
  endbr64
  mov    (%rdi),%ecx
  xor    %eax,%eax
  test   %ecx,%ecx
  je     L7
  nopl   0x0(%rax)
L3:
  add    $0x1,%rax
  mov    (%rdi,%rax,4),%edx
  test   %edx,%edx
  jne    L3
  ret
  nopl   0x0(%rax)
L7:
  ret
```

assistant: ```c
size_t _PDCLIB_c32slen(const char32_t *str) {
  size_t n = 0;
  while (*(str++))
    n++;
  return n;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<setline>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %edi,-0x34(%rbp)
  mov    %esi,-0x38(%rbp)
  mov    %edx,-0x3c(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0x30(%rbp),%rdx
  mov    -0x34(%rbp),%eax
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <tcgetattr@plt>
  mov    D19(%rip),%rax
  mov    (%rax),%eax
  or     -0x3c(%rbp),%eax
  mov    %eax,%edx
  mov    D28(%rip),%rax
  mov    (%rax),%eax
  or     %eax,%edx
  mov    D69(%rip),%rax
  mov    (%rax),%eax
  or     %edx,%eax
  mov    %eax,-0x30(%rbp)
  mov    D5(%rip),%rax
  mov    (%rax),%edx
  mov    D4(%rip),%rax
  mov    (%rax),%eax
  or     %edx,%eax
  mov    %eax,-0x2c(%rbp)
  movq   $0x0,-0x18(%rbp)
  movq   $0x0,-0x20(%rbp)
  mov    -0x28(%rbp),%rdx
  mov    D67(%rip),%rax
  mov    (%rax),%rax
  shl    $0x2,%rax
  add    %rdx,%rax
  movl   $0x1,(%rax)
  mov    -0x28(%rbp),%rdx
  mov    D25(%rip),%rax
  mov    (%rax),%rax
  shl    $0x2,%rax
  add    %rdx,%rax
  movl   $0x0,(%rax)
  mov    -0x28(%rbp),%rdx
  mov    D94(%rip),%rax
  mov    (%rax),%rax
  shl    $0x2,%rax
  add    %rdx,%rax
  movl   $0xd,(%rax)
  mov    -0x28(%rbp),%rdx
  mov    D68(%rip),%rax
  mov    (%rax),%rax
  shl    $0x2,%rax
  add    %rdx,%rax
  movl   $0x0,(%rax)
  mov    -0x28(%rbp),%rdx
  mov    D49(%rip),%rax
  mov    (%rax),%rax
  shl    $0x2,%rax
  add    %rdx,%rax
  movl   $0x0,(%rax)
  mov    -0x38(%rbp),%edx
  lea    -0x30(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <cfsetispeed@plt>
  mov    -0x38(%rbp),%edx
  lea    -0x30(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <cfsetospeed@plt>
  mov    D82(%rip),%rax
  mov    (%rax),%ecx
  lea    -0x30(%rbp),%rdx
  mov    -0x34(%rbp),%eax
  mov    %ecx,%esi
  mov    %eax,%edi
  call   <tcsetattr@plt>
  nop
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L2
  call   <__stack_chk_fail@plt>
L2:
  leave
  ret
```

assistant: ```c
void setline(int fd, int speed, int flags) {
  struct termios tio;
  tcgetattr(fd, &tio);
  tio.c_cflag = flags | HUPCL | CLOCAL | CREAD;
  tio.c_iflag = IGNBRK | IGNPAR;
  tio.c_oflag = 0;
  tio.c_lflag = 0;
  tio.c_cc[VMIN] = 1;
  tio.c_cc[VTIME] = 0;
  tio.c_cc[VEOL] = '\r';
  tio.c_cc[VERASE] = 0;
  tio.c_cc[VKILL] = 0;
  cfsetispeed(&tio, speed);
  cfsetospeed(&tio, speed);
  tcsetattr(fd, TCSANOW, &tio);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<setline>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x38,%rsp
  mov    %edi,%ebx
  mov    %esi,%r12d
  mov    %edx,%r13d
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rbp
  mov    %rbp,%rsi
  call   <tcgetattr@plt>
  mov    D49(%rip),%rax
  mov    (%rax),%eax
  mov    D87(%rip),%rdx
  or     (%rdx),%eax
  mov    D69(%rip),%rdx
  or     (%rdx),%eax
  or     %r13d,%eax
  mov    %eax,(%rsp)
  mov    D55(%rip),%rax
  mov    (%rax),%eax
  mov    D11(%rip),%rdx
  or     (%rdx),%eax
  mov    %eax,0x4(%rsp)
  movq   $0x0,0x18(%rsp)
  movq   $0x0,0x10(%rsp)
  mov    D6(%rip),%rax
  mov    (%rax),%rdx
  mov    0x8(%rsp),%rax
  movl   $0x1,(%rax,%rdx,4)
  mov    D85(%rip),%rax
  mov    (%rax),%rdx
  mov    0x8(%rsp),%rax
  movl   $0x0,(%rax,%rdx,4)
  mov    D33(%rip),%rax
  mov    (%rax),%rdx
  mov    0x8(%rsp),%rax
  movl   $0xd,(%rax,%rdx,4)
  mov    D18(%rip),%rax
  mov    (%rax),%rdx
  mov    0x8(%rsp),%rax
  movl   $0x0,(%rax,%rdx,4)
  mov    D91(%rip),%rax
  mov    (%rax),%rdx
  mov    0x8(%rsp),%rax
  movl   $0x0,(%rax,%rdx,4)
  mov    %r12d,%esi
  mov    %rbp,%rdi
  call   <cfsetispeed@plt>
  mov    %r12d,%esi
  mov    %rbp,%rdi
  call   <cfsetospeed@plt>
  mov    %rbp,%rdx
  mov    D20(%rip),%rax
  mov    (%rax),%esi
  mov    %ebx,%edi
  call   <tcsetattr@plt>
  mov    0x28(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L6
  add    $0x38,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L6:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void setline(int fd, int speed, int flags) {
  struct termios tio;
  tcgetattr(fd, &tio);
  tio.c_cflag = flags | HUPCL | CLOCAL | CREAD;
  tio.c_iflag = IGNBRK | IGNPAR;
  tio.c_oflag = 0;
  tio.c_lflag = 0;
  tio.c_cc[VMIN] = 1;
  tio.c_cc[VTIME] = 0;
  tio.c_cc[VEOL] = '\r';
  tio.c_cc[VERASE] = 0;
  tio.c_cc[VKILL] = 0;
  cfsetispeed(&tio, speed);
  cfsetospeed(&tio, speed);
  tcsetattr(fd, TCSANOW, &tio);
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<setline>:
  endbr64
  push   %r13
  mov    %esi,%r13d
  push   %r12
  push   %rbp
  mov    %edi,%ebp
  push   %rbx
  mov    %edx,%ebx
  sub    $0x38,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  mov    %rsp,%r12
  mov    %r12,%rsi
  call   <tcgetattr@plt>
  mov    D19(%rip),%rdx
  mov    %r13d,%esi
  mov    %r12,%rdi
  movq   $0x0,0x18(%rsp)
  mov    D13(%rip),%rax
  movq   $0x0,0x10(%rsp)
  mov    (%rax),%eax
  or     (%rdx),%eax
  mov    D102(%rip),%rdx
  or     (%rdx),%eax
  mov    D47(%rip),%rdx
  or     %ebx,%eax
  mov    %eax,(%rsp)
  mov    D50(%rip),%rax
  mov    (%rax),%eax
  or     (%rdx),%eax
  mov    D38(%rip),%rdx
  mov    %eax,0x4(%rsp)
  mov    0x8(%rsp),%rax
  mov    (%rdx),%rdx
  movl   $0x1,(%rax,%rdx,4)
  mov    D52(%rip),%rdx
  mov    (%rdx),%rdx
  movl   $0x0,(%rax,%rdx,4)
  mov    D78(%rip),%rdx
  mov    (%rdx),%rdx
  movl   $0xd,(%rax,%rdx,4)
  mov    D81(%rip),%rdx
  mov    (%rdx),%rdx
  movl   $0x0,(%rax,%rdx,4)
  mov    D97(%rip),%rdx
  mov    (%rdx),%rdx
  movl   $0x0,(%rax,%rdx,4)
  call   <cfsetispeed@plt>
  mov    %r13d,%esi
  mov    %r12,%rdi
  call   <cfsetospeed@plt>
  mov    D55(%rip),%rax
  mov    %r12,%rdx
  mov    %ebp,%edi
  mov    (%rax),%esi
  call   <tcsetattr@plt>
  mov    0x28(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L7
  add    $0x38,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L7:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void setline(int fd, int speed, int flags) {
  struct termios tio;
  tcgetattr(fd, &tio);
  tio.c_cflag = flags | HUPCL | CLOCAL | CREAD;
  tio.c_iflag = IGNBRK | IGNPAR;
  tio.c_oflag = 0;
  tio.c_lflag = 0;
  tio.c_cc[VMIN] = 1;
  tio.c_cc[VTIME] = 0;
  tio.c_cc[VEOL] = '\r';
  tio.c_cc[VERASE] = 0;
  tio.c_cc[VKILL] = 0;
  cfsetispeed(&tio, speed);
  cfsetospeed(&tio, speed);
  tcsetattr(fd, TCSANOW, &tio);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<setline>:
  endbr64
  push   %r13
  mov    %esi,%r13d
  push   %r12
  push   %rbp
  mov    %edi,%ebp
  push   %rbx
  mov    %edx,%ebx
  sub    $0x38,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  mov    %rsp,%r12
  mov    %r12,%rsi
  call   <tcgetattr@plt>
  mov    D21(%rip),%rdx
  mov    %r13d,%esi
  mov    %r12,%rdi
  mov    D95(%rip),%rax
  mov    D80(%rip),%rcx
  mov    (%rax),%eax
  or     (%rdx),%eax
  mov    D102(%rip),%rdx
  or     (%rdx),%eax
  mov    D89(%rip),%rdx
  or     %ebx,%eax
  mov    (%rdx),%edx
  or     (%rcx),%edx
  movd   %eax,%xmm0
  movd   %edx,%xmm1
  mov    D86(%rip),%rdx
  mov    0x8(%rsp),%rax
  punpckldq %xmm1,%xmm0
  mov    (%rdx),%rdx
  movq   %xmm0,(%rsp)
  pxor   %xmm0,%xmm0
  movaps %xmm0,0x10(%rsp)
  movl   $0x1,(%rax,%rdx,4)
  mov    D51(%rip),%rdx
  mov    (%rdx),%rdx
  movl   $0x0,(%rax,%rdx,4)
  mov    D103(%rip),%rdx
  mov    (%rdx),%rdx
  movl   $0xd,(%rax,%rdx,4)
  mov    D28(%rip),%rdx
  mov    (%rdx),%rdx
  movl   $0x0,(%rax,%rdx,4)
  mov    D8(%rip),%rdx
  mov    (%rdx),%rdx
  movl   $0x0,(%rax,%rdx,4)
  call   <cfsetispeed@plt>
  mov    %r13d,%esi
  mov    %r12,%rdi
  call   <cfsetospeed@plt>
  mov    D90(%rip),%rax
  mov    %r12,%rdx
  mov    %ebp,%edi
  mov    (%rax),%esi
  call   <tcsetattr@plt>
  mov    0x28(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L7
  add    $0x38,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L7:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void setline(int fd, int speed, int flags) {
  struct termios tio;
  tcgetattr(fd, &tio);
  tio.c_cflag = flags | HUPCL | CLOCAL | CREAD;
  tio.c_iflag = IGNBRK | IGNPAR;
  tio.c_oflag = 0;
  tio.c_lflag = 0;
  tio.c_cc[VMIN] = 1;
  tio.c_cc[VTIME] = 0;
  tio.c_cc[VEOL] = '\r';
  tio.c_cc[VERASE] = 0;
  tio.c_cc[VKILL] = 0;
  cfsetispeed(&tio, speed);
  cfsetospeed(&tio, speed);
  tcsetattr(fd, TCSANOW, &tio);
}
```
user: What is the c source code of the assembly code below:

```asm
<printHexByte>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %edi,%eax
  mov    %al,-0x4(%rbp)
  movzbl -0x4(%rbp),%eax
  shr    $0x4,%al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <digitToHex@plt>
  mov    %eax,%edi
  call   <pchar@plt>
  movzbl -0x4(%rbp),%eax
  and    $0xf,%eax
  mov    %eax,%edi
  call   <digitToHex@plt>
  mov    %eax,%edi
  call   <pchar@plt>
  nop
  leave
  ret
```

assistant: ```c
void printHexByte(unsigned char byte) {
  pchar(digitToHex((byte & 0xF0) >> 4));
  pchar(digitToHex(byte & 0xF));
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<printHexByte>:
  endbr64
  push   %rbx
  mov    %edi,%ebx
  shr    $0x4,%dil
  movzbl %dil,%edi
  call   <digitToHex@plt>
  mov    %eax,%edi
  call   <pchar@plt>
  and    $0xf,%ebx
  mov    %ebx,%edi
  call   <digitToHex@plt>
  mov    %eax,%edi
  call   <pchar@plt>
  pop    %rbx
  ret
```

assistant: ```c
void printHexByte(unsigned char byte) {
  pchar(digitToHex((byte & 0xF0) >> 4));
  pchar(digitToHex(byte & 0xF));
}
```
user: Translate the below assembly code into C programming language:

```asm
<printHexByte>:
  endbr64
  push   %rbx
  mov    %edi,%ebx
  shr    $0x4,%dil
  movzbl %dil,%edi
  and    $0xf,%ebx
  call   <digitToHex@plt>
  mov    %eax,%edi
  call   <pchar@plt>
  mov    %ebx,%edi
  call   <digitToHex@plt>
  pop    %rbx
  mov    %eax,%edi
  jmp    1070 <pchar@plt>
```

assistant: ```c
void printHexByte(unsigned char byte) {
  pchar(digitToHex((byte & 0xF0) >> 4));
  pchar(digitToHex(byte & 0xF));
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<printHexByte>:
  endbr64
  push   %rbx
  mov    %edi,%ebx
  shr    $0x4,%dil
  movzbl %dil,%edi
  and    $0xf,%ebx
  call   <digitToHex@plt>
  mov    %eax,%edi
  call   <pchar@plt>
  mov    %ebx,%edi
  call   <digitToHex@plt>
  pop    %rbx
  mov    %eax,%edi
  jmp    1070 <pchar@plt>
```

assistant: ```c
void printHexByte(unsigned char byte) {
  pchar(digitToHex((byte & 0xF0) >> 4));
  pchar(digitToHex(byte & 0xF));
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<xorect>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %ecx,%eax
  mov    %edi,%ecx
  mov    %cx,-0x14(%rbp)
  mov    %esi,%ecx
  mov    %cx,-0x18(%rbp)
  mov    %dx,-0x1c(%rbp)
  mov    %ax,-0x20(%rbp)
  mov    %r8d,%eax
  mov    %al,-0x24(%rbp)
  movswl -0x14(%rbp),%edx
  movswl -0x1c(%rbp),%eax
  add    %edx,%eax
  sub    $0x1,%eax
  mov    %eax,-0x8(%rbp)
  movswl -0x18(%rbp),%edx
  movswl -0x20(%rbp),%eax
  add    %edx,%eax
  sub    $0x1,%eax
  mov    %eax,-0x4(%rbp)
  movsbl -0x24(%rbp),%edi
  movswl -0x18(%rbp),%ecx
  movswl -0x18(%rbp),%esi
  movswl -0x14(%rbp),%eax
  mov    -0x8(%rbp),%edx
  mov    %edi,%r8d
  mov    %eax,%edi
  call   <xoline@plt>
  movsbl -0x24(%rbp),%edi
  mov    -0x4(%rbp),%eax
  movswl %ax,%esi
  movswl -0x14(%rbp),%eax
  mov    -0x4(%rbp),%ecx
  mov    -0x8(%rbp),%edx
  mov    %edi,%r8d
  mov    %eax,%edi
  call   <xoline@plt>
  movsbl -0x24(%rbp),%edi
  movswl -0x14(%rbp),%edx
  movswl -0x18(%rbp),%esi
  movswl -0x14(%rbp),%eax
  mov    -0x4(%rbp),%ecx
  mov    %edi,%r8d
  mov    %eax,%edi
  call   <xoline@plt>
  movsbl -0x24(%rbp),%edi
  movswl -0x18(%rbp),%esi
  mov    -0x4(%rbp),%ecx
  mov    -0x8(%rbp),%edx
  mov    -0x8(%rbp),%eax
  mov    %edi,%r8d
  mov    %eax,%edi
  call   <xoline@plt>
  mov    $0x0,%eax
  call   <xomode@plt>
  cmp    $0x1,%eax
  jle    L4
  movsbl -0x24(%rbp),%ecx
  movswl -0x14(%rbp),%eax
  lea    0x1(%rax),%esi
  movswl -0x18(%rbp),%eax
  movswl -0x14(%rbp),%edx
  lea    0x1(%rdx),%edi
  mov    -0x4(%rbp),%edx
  mov    %ecx,%r8d
  mov    %edx,%ecx
  mov    %esi,%edx
  mov    %eax,%esi
  call   <xoline@plt>
  movsbl -0x24(%rbp),%ecx
  mov    -0x8(%rbp),%eax
  lea    -0x1(%rax),%esi
  movswl -0x18(%rbp),%eax
  mov    -0x8(%rbp),%edx
  lea    -0x1(%rdx),%edi
  mov    -0x4(%rbp),%edx
  mov    %ecx,%r8d
  mov    %edx,%ecx
  mov    %esi,%edx
  mov    %eax,%esi
  call   <xoline@plt>
L4:
  mov    $0x1,%eax
  leave
  ret
```

assistant: ```c
int xorect(short x, short y, short w, short h, char c) {
  int x2 = x + w - 1;
  int y2 = y + h - 1;
  xoline(x, y, x2, y, c);
  xoline(x, y2, x2, y2, c);
  xoline(x, y, x, y2, c);
  xoline(x2, y, x2, y2, c);
  if (xomode() >= 2) {
    xoline(x + 1, y, x + 1, y2, c);
    xoline(x2 - 1, y, x2 - 1, y2, c);
  }
  return 1;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<xorect>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  movswl %di,%ebx
  movswl %dx,%edx
  lea    (%rdx,%rbx,1),%r13d
  lea    -0x1(%r13),%r15d
  movswl %si,%ebp
  movswl %cx,%ecx
  lea    -0x1(%rbp,%rcx,1),%r14d
  movsbl %r8b,%r12d
  mov    %r12d,%r8d
  mov    %ebp,%ecx
  mov    %r15d,%edx
  mov    %ebp,%esi
  mov    %ebx,%edi
  call   <xoline@plt>
  movswl %r14w,%esi
  mov    %r12d,%r8d
  mov    %r14d,%ecx
  mov    %r15d,%edx
  mov    %ebx,%edi
  call   <xoline@plt>
  mov    %r12d,%r8d
  mov    %r14d,%ecx
  mov    %ebx,%edx
  mov    %ebp,%esi
  mov    %ebx,%edi
  call   <xoline@plt>
  mov    %r12d,%r8d
  mov    %r14d,%ecx
  mov    %r15d,%edx
  mov    %ebp,%esi
  mov    %r15d,%edi
  call   <xoline@plt>
  mov    $0x0,%eax
  call   <xomode@plt>
  cmp    $0x1,%eax
  jg     L9
L2:
  mov    $0x1,%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L9:
  lea    0x1(%rbx),%edi
  mov    %r12d,%r8d
  mov    %r14d,%ecx
  mov    %edi,%edx
  mov    %ebp,%esi
  call   <xoline@plt>
  lea    -0x2(%r13),%edi
  mov    %r12d,%r8d
  mov    %r14d,%ecx
  mov    %edi,%edx
  mov    %ebp,%esi
  call   <xoline@plt>
  jmp    L2
```

assistant: ```c
int xorect(short x, short y, short w, short h, char c) {
  int x2 = x + w - 1;
  int y2 = y + h - 1;
  xoline(x, y, x2, y, c);
  xoline(x, y2, x2, y2, c);
  xoline(x, y, x, y2, c);
  xoline(x2, y, x2, y2, c);
  if (xomode() >= 2) {
    xoline(x + 1, y, x + 1, y2, c);
    xoline(x2 - 1, y, x2 - 1, y2, c);
  }
  return 1;
}
```
user: Translate the below assembly code into C programming language:

```asm
<xorect>:
  endbr64
  push   %r15
  movswl %dx,%edx
  movswl %cx,%ecx
  push   %r14
  movswl %si,%r14d
  push   %r13
  mov    %r14d,%esi
  lea    -0x1(%r14,%rcx,1),%r13d
  mov    %r14d,%ecx
  push   %r12
  push   %rbp
  movsbl %r8b,%ebp
  push   %rbx
  movswl %di,%ebx
  mov    %ebp,%r8d
  lea    (%rdx,%rbx,1),%r12d
  mov    %ebx,%edi
  lea    -0x1(%r12),%r15d
  sub    $0x8,%rsp
  mov    %r15d,%edx
  call   <xoline@plt>
  movswl %r13w,%esi
  mov    %ebp,%r8d
  mov    %r13d,%ecx
  mov    %r15d,%edx
  mov    %ebx,%edi
  call   <xoline@plt>
  mov    %ebp,%r8d
  mov    %r13d,%ecx
  mov    %ebx,%edx
  mov    %r14d,%esi
  mov    %ebx,%edi
  call   <xoline@plt>
  mov    %ebp,%r8d
  mov    %r13d,%ecx
  mov    %r15d,%edx
  mov    %r14d,%esi
  mov    %r15d,%edi
  call   <xoline@plt>
  xor    %eax,%eax
  call   <xomode@plt>
  cmp    $0x1,%eax
  jle    L8
  lea    0x1(%rbx),%edi
  mov    %ebp,%r8d
  mov    %r13d,%ecx
  mov    %r14d,%esi
  mov    %edi,%edx
  call   <xoline@plt>
  lea    -0x2(%r12),%edi
  mov    %ebp,%r8d
  mov    %r13d,%ecx
  mov    %edi,%edx
  mov    %r14d,%esi
  call   <xoline@plt>
L8:
  add    $0x8,%rsp
  mov    $0x1,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
int xorect(short x, short y, short w, short h, char c) {
  int x2 = x + w - 1;
  int y2 = y + h - 1;
  xoline(x, y, x2, y, c);
  xoline(x, y2, x2, y2, c);
  xoline(x, y, x, y2, c);
  xoline(x2, y, x2, y2, c);
  if (xomode() >= 2) {
    xoline(x + 1, y, x + 1, y2, c);
    xoline(x2 - 1, y, x2 - 1, y2, c);
  }
  return 1;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<xorect>:
  endbr64
  push   %r15
  movswl %dx,%edx
  movswl %cx,%ecx
  push   %r14
  movswl %si,%r14d
  push   %r13
  mov    %r14d,%esi
  lea    -0x1(%r14,%rcx,1),%r13d
  mov    %r14d,%ecx
  push   %r12
  push   %rbp
  movsbl %r8b,%ebp
  push   %rbx
  movswl %di,%ebx
  mov    %ebp,%r8d
  lea    (%rdx,%rbx,1),%r12d
  mov    %ebx,%edi
  lea    -0x1(%r12),%r15d
  sub    $0x8,%rsp
  mov    %r15d,%edx
  call   <xoline@plt>
  movswl %r13w,%esi
  mov    %ebp,%r8d
  mov    %r13d,%ecx
  mov    %r15d,%edx
  mov    %ebx,%edi
  call   <xoline@plt>
  mov    %ebp,%r8d
  mov    %r13d,%ecx
  mov    %ebx,%edx
  mov    %r14d,%esi
  mov    %ebx,%edi
  call   <xoline@plt>
  mov    %ebp,%r8d
  mov    %r13d,%ecx
  mov    %r15d,%edx
  mov    %r14d,%esi
  mov    %r15d,%edi
  call   <xoline@plt>
  xor    %eax,%eax
  call   <xomode@plt>
  cmp    $0x1,%eax
  jle    L0
  lea    0x1(%rbx),%edi
  mov    %ebp,%r8d
  mov    %r13d,%ecx
  mov    %r14d,%esi
  mov    %edi,%edx
  call   <xoline@plt>
  lea    -0x2(%r12),%edi
  mov    %ebp,%r8d
  mov    %r13d,%ecx
  mov    %edi,%edx
  mov    %r14d,%esi
  call   <xoline@plt>
L0:
  add    $0x8,%rsp
  mov    $0x1,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
int xorect(short x, short y, short w, short h, char c) {
  int x2 = x + w - 1;
  int y2 = y + h - 1;
  xoline(x, y, x2, y, c);
  xoline(x, y2, x2, y2, c);
  xoline(x, y, x, y2, c);
  xoline(x2, y, x2, y2, c);
  if (xomode() >= 2) {
    xoline(x + 1, y, x + 1, y2, c);
    xoline(x2 - 1, y, x2 - 1, y2, c);
  }
  return 1;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<write_reg_byte>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,%eax
  mov    %esi,%ecx
  mov    %ax,-0x14(%rbp)
  mov    %ecx,%eax
  mov    %al,-0x18(%rbp)
  mov    %edx,%eax
  mov    %al,-0x1c(%rbp)
  movswq -0x14(%rbp),%rdx
  movzbl -0x18(%rbp),%eax
  or     $0xffffffe0,%eax
  movzbl %al,%eax
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <outb@plt>
  movzbl -0x18(%rbp),%eax
  or     $0x40,%eax
  mov    %al,-0x1(%rbp)
  movswq -0x14(%rbp),%rdx
  movzbl -0x1(%rbp),%eax
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <outb@plt>
  movswq -0x14(%rbp),%rdx
  movzbl -0x1(%rbp),%eax
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <outb@plt>
  movswq -0x14(%rbp),%rax
  movzbl -0x1(%rbp),%edx
  mov    %edx,%ecx
  and    $0xf0,%ecx
  movzbl -0x1c(%rbp),%edx
  and    $0xf,%edx
  or     %ecx,%edx
  mov    %rax,%rsi
  mov    %edx,%edi
  call   <outb@plt>
  movswq -0x14(%rbp),%rax
  movzbl -0x1c(%rbp),%edx
  and    $0xf,%edx
  mov    %rax,%rsi
  mov    %edx,%edi
  call   <outb@plt>
  shrb   $0x4,-0x1c(%rbp)
  movswq -0x14(%rbp),%rdx
  movzbl -0x1c(%rbp),%eax
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <outb@plt>
  movswq -0x14(%rbp),%rdx
  movzbl -0x1c(%rbp),%eax
  or     $0x10,%eax
  movzbl %al,%eax
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <outb@plt>
  movswq -0x14(%rbp),%rdx
  movzbl -0x1c(%rbp),%eax
  or     $0x10,%eax
  movzbl %al,%eax
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <outb@plt>
  movswq -0x14(%rbp),%rdx
  movzbl -0x1c(%rbp),%eax
  or     $0xffffffe0,%eax
  movzbl %al,%eax
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <outb@plt>
  nop
  leave
  ret
```

assistant: ```c
void write_reg_byte(short port, unsigned char reg, unsigned char value) {
  unsigned char outval;
  outb(0xE0 | reg, port + 0);
  outval = 0x40 | reg;
  outb(outval, port + 0);
  outb(outval, port + 0);
  outb((outval & 0xf0) | (value & 0x0f), port + 0);
  outb(value & 0x0f, port + 0);
  value >>= 4;
  outb(value, port + 0);
  outb(0x10 | value, port + 0);
  outb(0x10 | value, port + 0);
  outb(0xE0 | value, port + 0);
}
```