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

```asm
<__opendir2>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0x10(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <stat@plt>
  test   %rax,%rax
  je     L35
  mov    $0x0,%eax
  jmp    L40
L35:
  mov    -0x10(%rbp),%eax
  mov    %eax,%edi
  call   <S_ISDIR@plt>
  test   %eax,%eax
  jne    L61
  mov    D3(%rip),%rax
  mov    (%rax),%edx
  mov    D15(%rip),%rax
  mov    %edx,(%rax)
  mov    $0x0,%eax
  jmp    L40
L61:
  mov    D20(%rip),%rax
  mov    (%rax),%edx
  mov    D5(%rip),%rax
  mov    (%rax),%eax
  or     %eax,%edx
  mov    -0x18(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <_open@plt>
  mov    %eax,-0xc(%rbp)
  cmpl   $0xffffffff,-0xc(%rbp)
  jne    L7
  mov    $0x0,%eax
  jmp    L40
L7:
  mov    -0x1c(%rbp),%edx
  mov    -0x18(%rbp),%rcx
  mov    -0xc(%rbp),%eax
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <__opendir_common@plt>
L40:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L23
  call   <__stack_chk_fail@plt>
L23:
  leave
  ret
```

assistant: ```c
DIR *__opendir2(const char *name, int flags) {
  int fd;
  struct stat statb;
  if (stat(name, &statb) != 0)
    return (NULL);
  if (!S_ISDIR(statb.st_mode)) {
    errno = ENOTDIR;
    return (NULL);
  }
  if ((fd = _open(name, O_RDONLY | O_NONBLOCK)) == -1)
    return (NULL);
  return __opendir_common(fd, name, flags);
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<__opendir2>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %rdi,%rbx
  mov    %esi,%ebp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rsi
  call   <stat@plt>
  mov    %rax,%rdx
  mov    $0x0,%eax
  test   %rdx,%rdx
  jne    L5
  mov    0x4(%rsp),%edi
  call   <S_ISDIR@plt>
  test   %eax,%eax
  je     L32
  mov    D7(%rip),%rax
  mov    (%rax),%esi
  mov    D10(%rip),%rax
  or     (%rax),%esi
  mov    %rbx,%rdi
  call   <_open@plt>
  mov    %eax,%edi
  cmp    $0xffffffff,%eax
  je     L23
  mov    %ebp,%edx
  mov    %rbx,%rsi
  call   <__opendir_common@plt>
L5:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L26
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  ret
L32:
  mov    D0(%rip),%rax
  mov    (%rax),%edx
  mov    D27(%rip),%rax
  mov    %edx,(%rax)
  mov    $0x0,%eax
  jmp    L5
L23:
  mov    $0x0,%eax
  jmp    L5
L26:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
DIR *__opendir2(const char *name, int flags) {
  int fd;
  struct stat statb;
  if (stat(name, &statb) != 0)
    return (NULL);
  if (!S_ISDIR(statb.st_mode)) {
    errno = ENOTDIR;
    return (NULL);
  }
  if ((fd = _open(name, O_RDONLY | O_NONBLOCK)) == -1)
    return (NULL);
  return __opendir_common(fd, name, flags);
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<__opendir2>:
  endbr64
  push   %r12
  mov    %esi,%r12d
  push   %rbp
  mov    %rdi,%rbp
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rsi
  call   <stat@plt>
  test   %rax,%rax
  jne    L10
  mov    0x4(%rsp),%edi
  call   <S_ISDIR@plt>
  test   %eax,%eax
  je     L6
  mov    D21(%rip),%rax
  mov    %rbp,%rdi
  mov    (%rax),%esi
  mov    D19(%rip),%rax
  or     (%rax),%esi
  call   <_open@plt>
  mov    %eax,%edi
  cmp    $0xffffffff,%eax
  je     L10
  mov    %r12d,%edx
  mov    %rbp,%rsi
  call   <__opendir_common@plt>
  jmp    L7
  nopl   0x0(%rax,%rax,1)
L6:
  mov    D37(%rip),%rax
  mov    (%rax),%edx
  mov    D0(%rip),%rax
  mov    %edx,(%rax)
L10:
  xor    %eax,%eax
L7:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L48
  add    $0x18,%rsp
  pop    %rbp
  pop    %r12
  ret
L48:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
DIR *__opendir2(const char *name, int flags) {
  int fd;
  struct stat statb;
  if (stat(name, &statb) != 0)
    return (NULL);
  if (!S_ISDIR(statb.st_mode)) {
    errno = ENOTDIR;
    return (NULL);
  }
  if ((fd = _open(name, O_RDONLY | O_NONBLOCK)) == -1)
    return (NULL);
  return __opendir_common(fd, name, flags);
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<__opendir2>:
  endbr64
  push   %r12
  mov    %esi,%r12d
  push   %rbp
  mov    %rdi,%rbp
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rsi
  call   <stat@plt>
  test   %rax,%rax
  jne    L49
  mov    0x4(%rsp),%edi
  call   <S_ISDIR@plt>
  test   %eax,%eax
  je     L15
  mov    D37(%rip),%rax
  mov    %rbp,%rdi
  mov    (%rax),%esi
  mov    D7(%rip),%rax
  or     (%rax),%esi
  call   <_open@plt>
  mov    %eax,%edi
  cmp    $0xffffffff,%eax
  je     L49
  mov    %r12d,%edx
  mov    %rbp,%rsi
  call   <__opendir_common@plt>
  jmp    L3
  nopl   0x0(%rax,%rax,1)
L15:
  mov    D20(%rip),%rax
  mov    (%rax),%edx
  mov    D21(%rip),%rax
  mov    %edx,(%rax)
L49:
  xor    %eax,%eax
L3:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L20
  add    $0x18,%rsp
  pop    %rbp
  pop    %r12
  ret
L20:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
DIR *__opendir2(const char *name, int flags) {
  int fd;
  struct stat statb;
  if (stat(name, &statb) != 0)
    return (NULL);
  if (!S_ISDIR(statb.st_mode)) {
    errno = ENOTDIR;
    return (NULL);
  }
  if ((fd = _open(name, O_RDONLY | O_NONBLOCK)) == -1)
    return (NULL);
  return __opendir_common(fd, name, flags);
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<xrop3_69_1_1>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,%edx
  mov    %esi,%eax
  mov    %dl,-0x24(%rbp)
  mov    %al,-0x28(%rbp)
  movl   $0xff,-0x18(%rbp)
  movzbl -0x24(%rbp),%eax
  shl    $0x8,%eax
  mov    %eax,%edx
  movzbl -0x24(%rbp),%eax
  or     %edx,%eax
  mov    %eax,-0x14(%rbp)
  movzbl -0x28(%rbp),%eax
  shl    $0x8,%eax
  mov    %eax,%edx
  movzbl -0x28(%rbp),%eax
  or     %edx,%eax
  mov    %eax,-0x10(%rbp)
  mov    -0x14(%rbp),%eax
  not    %eax
  mov    %eax,-0xc(%rbp)
  mov    -0x10(%rbp),%eax
  and    -0xc(%rbp),%eax
  mov    %eax,-0x8(%rbp)
  mov    -0x18(%rbp),%eax
  or     -0x8(%rbp),%eax
  mov    %eax,-0x4(%rbp)
  notl   -0x4(%rbp)
  mov    -0x14(%rbp),%eax
  not    %eax
  and    -0x4(%rbp),%eax
  mov    %eax,%edx
  mov    -0x10(%rbp),%eax
  not    %eax
  and    %eax,%edx
  mov    -0x18(%rbp),%eax
  and    -0x14(%rbp),%eax
  or     %eax,%edx
  mov    -0x18(%rbp),%eax
  and    -0x10(%rbp),%eax
  or     %edx,%eax
  pop    %rbp
  ret
```

assistant: ```c
unsigned xrop3_69_1_1(unsigned char s, unsigned char t) {
  unsigned D = 0x00ff;
  unsigned S = ((unsigned)s << 8) | s;
  unsigned T = ((unsigned)t << 8) | t;
  unsigned stk1;
  unsigned stk2;
  unsigned stk3;
  stk3 = ~S;
  stk2 = T & stk3;
  stk1 = D | stk2;
  stk1 = ~stk1;
  return (stk1 & (~S) & (~T)) | (D & S) | (D & T);
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<xrop3_69_1_1>:
  endbr64
  movzbl %dil,%edi
  movzbl %sil,%esi
  mov    %edi,%eax
  shl    $0x8,%eax
  or     %edi,%eax
  mov    %esi,%edx
  shl    $0x8,%edx
  or     %esi,%edx
  or     %edx,%eax
  xor    $0xffffff00,%eax
  ret
```

assistant: ```c
unsigned xrop3_69_1_1(unsigned char s, unsigned char t) {
  unsigned D = 0x00ff;
  unsigned S = ((unsigned)s << 8) | s;
  unsigned T = ((unsigned)t << 8) | t;
  unsigned stk1;
  unsigned stk2;
  unsigned stk3;
  stk3 = ~S;
  stk2 = T & stk3;
  stk1 = D | stk2;
  stk1 = ~stk1;
  return (stk1 & (~S) & (~T)) | (D & S) | (D & T);
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<xrop3_69_1_1>:
  endbr64
  movzbl %sil,%esi
  movzbl %dil,%edi
  mov    %esi,%eax
  shl    $0x8,%eax
  or     %edi,%eax
  shl    $0x8,%edi
  or     %esi,%eax
  or     %edi,%eax
  xor    $0xffffff00,%eax
  ret
```

assistant: ```c
unsigned xrop3_69_1_1(unsigned char s, unsigned char t) {
  unsigned D = 0x00ff;
  unsigned S = ((unsigned)s << 8) | s;
  unsigned T = ((unsigned)t << 8) | t;
  unsigned stk1;
  unsigned stk2;
  unsigned stk3;
  stk3 = ~S;
  stk2 = T & stk3;
  stk1 = D | stk2;
  stk1 = ~stk1;
  return (stk1 & (~S) & (~T)) | (D & S) | (D & T);
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<xrop3_69_1_1>:
  endbr64
  movzbl %sil,%esi
  movzbl %dil,%edi
  mov    %esi,%eax
  shl    $0x8,%eax
  or     %edi,%eax
  shl    $0x8,%edi
  or     %esi,%eax
  or     %edi,%eax
  xor    $0xffffff00,%eax
  ret
```

assistant: ```c
unsigned xrop3_69_1_1(unsigned char s, unsigned char t) {
  unsigned D = 0x00ff;
  unsigned S = ((unsigned)s << 8) | s;
  unsigned T = ((unsigned)t << 8) | t;
  unsigned stk1;
  unsigned stk2;
  unsigned stk3;
  stk3 = ~S;
  stk2 = T & stk3;
  stk1 = D | stk2;
  stk1 = ~stk1;
  return (stk1 & (~S) & (~T)) | (D & S) | (D & T);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<foo>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    %rdx,-0x18(%rbp)
  mov    -0x8(%rbp),%rax
  movl   $0x1,(%rax)
  mov    -0x10(%rbp),%rax
  mov    (%rax),%eax
  test   %eax,%eax
  je     L7
  mov    -0x18(%rbp),%rax
  movl   $0x2,(%rax)
L7:
  nop
  pop    %rbp
  ret
```

assistant: ```c
void foo(int *a, int *b, int *c) {
  *a = 1;
  if (*b)
    *c = 2;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<foo>:
  endbr64
  movl   $0x1,(%rdi)
  cmpl   $0x0,(%rsi)
  je     L3
  movl   $0x2,(%rdx)
L3:
  ret
```

assistant: ```c
void foo(int *a, int *b, int *c) {
  *a = 1;
  if (*b)
    *c = 2;
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<foo>:
  endbr64
  movl   $0x1,(%rdi)
  mov    (%rsi),%eax
  test   %eax,%eax
  je     L1
  movl   $0x2,(%rdx)
L1:
  ret
```

assistant: ```c
void foo(int *a, int *b, int *c) {
  *a = 1;
  if (*b)
    *c = 2;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<foo>:
  endbr64
  movl   $0x1,(%rdi)
  mov    (%rsi),%eax
  test   %eax,%eax
  je     L2
  movl   $0x2,(%rdx)
L2:
  ret
```

assistant: ```c
void foo(int *a, int *b, int *c) {
  *a = 1;
  if (*b)
    *c = 2;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<judgeCircle>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,-0x4(%rbp)
  cmpl   $0x0,-0x4(%rbp)
  jne    L15
  mov    $0x1,%eax
  jmp    L90
L15:
  movl   $0x0,-0x10(%rbp)
  movl   $0x0,-0xc(%rbp)
  movl   $0x0,-0x8(%rbp)
  jmp    L53
L130:
  mov    -0x8(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x44,%al
  jne    L112
  subl   $0x1,-0xc(%rbp)
  jmp    L84
L112:
  mov    -0x8(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x55,%al
  jne    L26
  addl   $0x1,-0xc(%rbp)
  jmp    L84
L26:
  mov    -0x8(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x4c,%al
  jne    L0
  addl   $0x1,-0x10(%rbp)
  jmp    L84
L0:
  mov    -0x8(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x52,%al
  jne    L84
  subl   $0x1,-0x10(%rbp)
L84:
  addl   $0x1,-0x8(%rbp)
L53:
  mov    -0x8(%rbp),%eax
  cmp    -0x4(%rbp),%eax
  jl     L130
  cmpl   $0x0,-0x10(%rbp)
  jne    L100
  cmpl   $0x0,-0xc(%rbp)
  jne    L100
  mov    $0x1,%eax
  jmp    L90
L100:
  mov    $0x0,%eax
L90:
  leave
  ret
```

assistant: ```c
int judgeCircle(char *moves) {
  int movesLength = strlen(moves);
  if (0 == movesLength) {
    return 1;
  }
  int x = 0, y = 0;
  for (int i = 0; i < movesLength; i++) {
    if ('D' == moves[i]) {
      y -= 1;
    } else if ('U' == moves[i]) {
      y += 1;
    } else if ('L' == moves[i]) {
      x += 1;
    } else if ('R' == moves[i]) {
      x -= 1;
    }
  }
  return (x == 0 && y == 0) ? 1 : 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<judgeCircle>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  call   <strlen@plt>
  mov    $0x1,%edx
  test   %eax,%eax
  je     L16
  jle    L48
  mov    %rbx,%rdx
  lea    -0x1(%rax),%eax
  lea    0x1(%rbx,%rax,1),%rdi
  mov    $0x0,%ecx
  mov    $0x0,%esi
  jmp    L27
L87:
  sub    $0x1,%ecx
L9:
  add    $0x1,%rdx
  cmp    %rdi,%rdx
  je     L66
L27:
  movzbl (%rdx),%eax
  cmp    $0x44,%al
  je     L87
  cmp    $0x55,%al
  je     L94
  cmp    $0x4c,%al
  je     L7
  cmp    $0x52,%al
  sete   %al
  movzbl %al,%eax
  sub    %eax,%esi
  jmp    L9
L94:
  add    $0x1,%ecx
  jmp    L9
L7:
  add    $0x1,%esi
  jmp    L9
L48:
  mov    $0x0,%ecx
  mov    $0x0,%esi
L66:
  or     %ecx,%esi
  sete   %dl
  movzbl %dl,%edx
L16:
  mov    %edx,%eax
  pop    %rbx
  ret
```

assistant: ```c
int judgeCircle(char *moves) {
  int movesLength = strlen(moves);
  if (0 == movesLength) {
    return 1;
  }
  int x = 0, y = 0;
  for (int i = 0; i < movesLength; i++) {
    if ('D' == moves[i]) {
      y -= 1;
    } else if ('U' == moves[i]) {
      y += 1;
    } else if ('L' == moves[i]) {
      x += 1;
    } else if ('R' == moves[i]) {
      x -= 1;
    }
  }
  return (x == 0 && y == 0) ? 1 : 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<judgeCircle>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  call   <strlen@plt>
  mov    $0x1,%r8d
  test   %eax,%eax
  je     L21
  jle    L21
  sub    $0x1,%eax
  mov    %rbx,%rdi
  xor    %edx,%edx
  xor    %ecx,%ecx
  lea    0x1(%rbx,%rax,1),%rsi
  jmp    L28
  nopw   0x0(%rax,%rax,1)
L71:
  cmp    $0x55,%al
  je     L75
  cmp    $0x4c,%al
  je     L42
  cmp    $0x52,%al
  sete   %al
  movzbl %al,%eax
  sub    %eax,%ecx
L11:
  add    $0x1,%rdi
  cmp    %rdi,%rsi
  je     L76
L28:
  movzbl (%rdi),%eax
  cmp    $0x44,%al
  jne    L71
  add    $0x1,%rdi
  sub    $0x1,%edx
  cmp    %rdi,%rsi
  jne    L28
L76:
  xor    %r8d,%r8d
  or     %edx,%ecx
  sete   %r8b
L21:
  mov    %r8d,%eax
  pop    %rbx
  ret
  nopl   0x0(%rax)
L75:
  add    $0x1,%edx
  jmp    L11
  nopl   (%rax)
L42:
  add    $0x1,%ecx
  jmp    L11
```

assistant: ```c
int judgeCircle(char *moves) {
  int movesLength = strlen(moves);
  if (0 == movesLength) {
    return 1;
  }
  int x = 0, y = 0;
  for (int i = 0; i < movesLength; i++) {
    if ('D' == moves[i]) {
      y -= 1;
    } else if ('U' == moves[i]) {
      y += 1;
    } else if ('L' == moves[i]) {
      x += 1;
    } else if ('R' == moves[i]) {
      x -= 1;
    }
  }
  return (x == 0 && y == 0) ? 1 : 0;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<judgeCircle>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  call   <strlen@plt>
  mov    $0x1,%r8d
  test   %eax,%eax
  je     L17
  jle    L17
  sub    $0x1,%eax
  mov    %rbx,%rdi
  xor    %edx,%edx
  xor    %ecx,%ecx
  lea    0x1(%rbx,%rax,1),%rsi
  jmp    L84
  nopw   0x0(%rax,%rax,1)
L22:
  cmp    $0x55,%al
  je     L71
  cmp    $0x4c,%al
  je     L45
  cmp    $0x52,%al
  sete   %al
  movzbl %al,%eax
  sub    %eax,%ecx
L43:
  add    $0x1,%rdi
  cmp    %rdi,%rsi
  je     L47
L84:
  movzbl (%rdi),%eax
  cmp    $0x44,%al
  jne    L22
  add    $0x1,%rdi
  sub    $0x1,%edx
  cmp    %rdi,%rsi
  jne    L84
L47:
  xor    %r8d,%r8d
  or     %edx,%ecx
  sete   %r8b
L17:
  mov    %r8d,%eax
  pop    %rbx
  ret
  nopl   0x0(%rax)
L71:
  add    $0x1,%edx
  jmp    L43
  nopl   (%rax)
L45:
  add    $0x1,%ecx
  jmp    L43
```

assistant: ```c
int judgeCircle(char *moves) {
  int movesLength = strlen(moves);
  if (0 == movesLength) {
    return 1;
  }
  int x = 0, y = 0;
  for (int i = 0; i < movesLength; i++) {
    if ('D' == moves[i]) {
      y -= 1;
    } else if ('U' == moves[i]) {
      y += 1;
    } else if ('L' == moves[i]) {
      x += 1;
    } else if ('R' == moves[i]) {
      x -= 1;
    }
  }
  return (x == 0 && y == 0) ? 1 : 0;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<sock_addrlen>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  mov    (%rax),%eax
  cmp    $0x80,%eax
  je     L37
  cmp    $0x81,%eax
  jne    L28
  mov    $0x4,%eax
  jmp    L33
L37:
  mov    $0x4,%eax
  jmp    L33
L28:
  mov    $0x0,%eax
L33:
  pop    %rbp
  ret
```

assistant: ```c
int sock_addrlen(const struct sockaddr *sa) {
  switch (sa->sa_family) {
  case AF_INET:
    return sizeof(struct sockaddr_in);
  case AF_INET6:
    return sizeof(struct sockaddr_in6);
  default:
    return 0;
  }
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<sock_addrlen>:
  endbr64
  mov    (%rdi),%eax
  add    $0xffffff80,%eax
  cmp    $0x1,%eax
  setbe  %al
  movzbl %al,%eax
  shl    $0x2,%eax
  ret
```

assistant: ```c
int sock_addrlen(const struct sockaddr *sa) {
  switch (sa->sa_family) {
  case AF_INET:
    return sizeof(struct sockaddr_in);
  case AF_INET6:
    return sizeof(struct sockaddr_in6);
  default:
    return 0;
  }
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<sock_addrlen>:
  endbr64
  mov    (%rdi),%eax
  add    $0xffffff80,%eax
  cmp    $0x1,%eax
  setbe  %al
  movzbl %al,%eax
  shl    $0x2,%eax
  ret
```

assistant: ```c
int sock_addrlen(const struct sockaddr *sa) {
  switch (sa->sa_family) {
  case AF_INET:
    return sizeof(struct sockaddr_in);
  case AF_INET6:
    return sizeof(struct sockaddr_in6);
  default:
    return 0;
  }
}
```
user: Translate the below assembly code into C programming language:

```asm
<sock_addrlen>:
  endbr64
  mov    (%rdi),%eax
  add    $0xffffff80,%eax
  cmp    $0x1,%eax
  setbe  %al
  movzbl %al,%eax
  shl    $0x2,%eax
  ret
```

assistant: ```c
int sock_addrlen(const struct sockaddr *sa) {
  switch (sa->sa_family) {
  case AF_INET:
    return sizeof(struct sockaddr_in);
  case AF_INET6:
    return sizeof(struct sockaddr_in6);
  default:
    return 0;
  }
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<iso3166list>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    %edx,-0x20(%rbp)
  mov    %ecx,-0x24(%rbp)
  mov    %r8d,-0x28(%rbp)
  mov    %r9,-0x30(%rbp)
  mov    -0x20(%rbp),%eax
  sub    %eax,-0x1c(%rbp)
  mov    -0x1c(%rbp),%edx
  mov    -0x28(%rbp),%eax
  cmp    %eax,%edx
  cmovle %edx,%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x1c(%rbp),%eax
  cmp    -0x24(%rbp),%eax
  jl     L71
  cmpl   $0x0,-0x1c(%rbp)
  je     L23
  cmpl   $0x2,-0x1c(%rbp)
  jg     L23
L71:
  mov    $0x0,%eax
  jmp    L6
L23:
  cmpl   $0x0,-0x1c(%rbp)
  je     L26
  mov    -0x4(%rbp),%edx
  movslq %edx,%rax
  imul   $0x55555556,%rax,%rax
  shr    $0x20,%rax
  mov    %edx,%ecx
  sar    $0x1f,%ecx
  sub    %ecx,%eax
  mov    %eax,%ecx
  add    %ecx,%ecx
  add    %eax,%ecx
  mov    %edx,%eax
  sub    %ecx,%eax
  test   %eax,%eax
  je     L26
  mov    -0x30(%rbp),%rax
  movl   $0x4,(%rax)
  mov    $0x0,%eax
  jmp    L6
L26:
  cmpl   $0x0,0x20(%rbp)
  jne    L85
  cmpl   $0x0,-0x1c(%rbp)
  je     L85
  movl   $0x0,-0x8(%rbp)
  jmp    L21
L106:
  mov    -0x20(%rbp),%edx
  mov    -0x8(%rbp),%eax
  add    %eax,%edx
  mov    -0x20(%rbp),%ecx
  mov    -0x1c(%rbp),%eax
  lea    (%rcx,%rax,1),%esi
  mov    -0x30(%rbp),%rdi
  mov    -0x18(%rbp),%rax
  sub    $0x8,%rsp
  mov    0x20(%rbp),%ecx
  push   %rcx
  push   0x18(%rbp)
  push   0x10(%rbp)
  mov    %rdi,%r9
  mov    $0x3,%r8d
  mov    $0x3,%ecx
  mov    %rax,%rdi
  call   <iso3166@plt>
  add    $0x20,%rsp
  test   %eax,%eax
  jne    L35
  mov    $0x0,%eax
  jmp    L6
L35:
  addl   $0x3,-0x8(%rbp)
L21:
  mov    -0x8(%rbp),%eax
  cmp    -0x4(%rbp),%eax
  jl     L106
L85:
  mov    $0x1,%eax
L6:
  leave
  ret
```

assistant: ```c
int iso3166list(const unsigned char *data, int data_len, int offset, int min, int max, int *p_err_no, int *p_err_posn, char err_msg[50], const int length_only) {
  int data_len_max;
  data_len -= offset;
  data_len_max = data_len > max ? max : data_len;
  if (data_len < min || (data_len && data_len < 3)) {
    return 0;
  }
  if (data_len && data_len_max % 3) {
    *p_err_no = 4;
    return 0;
  }
  if (!length_only && data_len) {
    int i;
    for (i = 0; i < data_len_max; i += 3) {
      if (!iso3166(data, offset + data_len, offset + i, 3, 3, p_err_no, p_err_posn, err_msg, length_only)) {
        return 0;
      }
    }
  }
  return 1;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<iso3166list>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    0x50(%rsp),%ebx
  mov    %esi,%ebp
  sub    %edx,%ebp
  mov    $0x0,%eax
  cmp    %ecx,%ebp
  jl     L31
  mov    %rdi,%r15
  mov    %esi,%r12d
  mov    %edx,%r13d
  mov    %r9,%r14
  test   %ebp,%ebp
  je     L24
  cmp    $0x2,%ebp
  jg     L24
L31:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L24:
  mov    $0x1,%eax
  test   %ebp,%ebp
  je     L31
  cmp    %r8d,%ebp
  cmovg  %r8d,%ebp
  movslq %ebp,%rax
  imul   $0x55555556,%rax,%rax
  shr    $0x20,%rax
  mov    %ebp,%edx
  sar    $0x1f,%edx
  sub    %edx,%eax
  lea    (%rax,%rax,2),%eax
  cmp    %eax,%ebp
  jne    L44
  test   %ebx,%ebx
  jne    L37
  test   %ebp,%ebp
  jle    L85
L6:
  lea    (%rbx,%r13,1),%edx
  sub    $0x8,%rsp
  push   $0x0
  push   0x58(%rsp)
  push   0x58(%rsp)
  mov    %r14,%r9
  mov    $0x3,%r8d
  mov    $0x3,%ecx
  mov    %r12d,%esi
  mov    %r15,%rdi
  call   <iso3166@plt>
  add    $0x20,%rsp
  test   %eax,%eax
  je     L31
  add    $0x3,%ebx
  cmp    %ebx,%ebp
  jg     L6
  mov    $0x1,%eax
  jmp    L31
L44:
  movl   $0x4,(%r14)
  mov    $0x0,%eax
  jmp    L31
L37:
  mov    $0x1,%eax
  jmp    L31
L85:
  mov    $0x1,%eax
  jmp    L31
```

assistant: ```c
int iso3166list(const unsigned char *data, int data_len, int offset, int min, int max, int *p_err_no, int *p_err_posn, char err_msg[50], const int length_only) {
  int data_len_max;
  data_len -= offset;
  data_len_max = data_len > max ? max : data_len;
  if (data_len < min || (data_len && data_len < 3)) {
    return 0;
  }
  if (data_len && data_len_max % 3) {
    *p_err_no = 4;
    return 0;
  }
  if (!length_only && data_len) {
    int i;
    for (i = 0; i < data_len_max; i += 3) {
      if (!iso3166(data, offset + data_len, offset + i, 3, 3, p_err_no, p_err_posn, err_msg, length_only)) {
        return 0;
      }
    }
  }
  return 1;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<iso3166list>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  mov    %esi,%ebp
  push   %rbx
  sub    %edx,%ebp
  sub    $0x8,%rsp
  mov    0x50(%rsp),%ebx
  cmp    %ecx,%ebp
  jl     L15
  test   %ebp,%ebp
  je     L94
  cmp    $0x2,%ebp
  jle    L15
  test   %ebp,%ebp
  je     L94
  cmp    %r8d,%ebp
  mov    %r9,%r15
  cmovg  %r8d,%ebp
  imul   $0xaaaaaaab,%ebp,%eax
  add    $0x2aaaaaaa,%eax
  cmp    $0x55555554,%eax
  ja     L86
  test   %ebx,%ebx
  jne    L94
  mov    %rdi,%r14
  mov    %esi,%r12d
  mov    %edx,%r13d
  test   %ebp,%ebp
  jg     L20
  jmp    L94
  xchg   %ax,%ax
L76:
  add    $0x3,%ebx
  cmp    %ebx,%ebp
  jle    L94
L20:
  sub    $0x8,%rsp
  lea    (%rbx,%r13,1),%edx
  mov    %r15,%r9
  mov    $0x3,%ecx
  push   $0x0
  mov    $0x3,%r8d
  mov    %r12d,%esi
  mov    %r14,%rdi
  push   0x58(%rsp)
  push   0x58(%rsp)
  call   <iso3166@plt>
  add    $0x20,%rsp
  test   %eax,%eax
  jne    L76
  nopw   0x0(%rax,%rax,1)
L15:
  xor    %eax,%eax
L61:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax)
L94:
  add    $0x8,%rsp
  mov    $0x1,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax)
L86:
  movl   $0x4,(%r9)
  xor    %eax,%eax
  jmp    L61
```

assistant: ```c
int iso3166list(const unsigned char *data, int data_len, int offset, int min, int max, int *p_err_no, int *p_err_posn, char err_msg[50], const int length_only) {
  int data_len_max;
  data_len -= offset;
  data_len_max = data_len > max ? max : data_len;
  if (data_len < min || (data_len && data_len < 3)) {
    return 0;
  }
  if (data_len && data_len_max % 3) {
    *p_err_no = 4;
    return 0;
  }
  if (!length_only && data_len) {
    int i;
    for (i = 0; i < data_len_max; i += 3) {
      if (!iso3166(data, offset + data_len, offset + i, 3, 3, p_err_no, p_err_posn, err_msg, length_only)) {
        return 0;
      }
    }
  }
  return 1;
}
```