ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<globs_to_regex>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  call   <strdup@plt>
  mov    %rax,0x8(%rsp)
  movq   $0x0,0x10(%rsp)
  mov    %rax,%rbp
  mov    $0x0,%r13d
  mov    $0x0,%r14d
  lea    0x10(%rsp),%r15
  jmp    L14
L5:
  mov    %rbx,%rdi
  call   <free@plt>
L14:
  mov    %r15,%rdx
  mov    $0x2c,%esi
  mov    %rbp,%rdi
  call   <split_and_get@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  je     L2
  mov    %rbp,%rdi
  call   <glob_to_regex@plt>
  mov    %rax,%rbx
  test   %rax,%rax
  je     L2
  mov    %rax,%rdi
  call   <strlen@plt>
  lea    0x4(%r13,%rax,1),%rsi
  mov    %r14,%rdi
  call   <realloc@plt>
  mov    %rax,%r12
  test   %rax,%rax
  je     L5
  test   %r13,%r13
  lea    D26(%rip),%rdx
  lea    D9(%rip),%rax
  cmovne %rax,%rdx
  lea    (%r12,%r13,1),%rdi
  mov    %rbx,%rcx
  lea    D29(%rip),%rsi
  call   <sprintf@plt>
  add    %rax,%r13
  mov    %r12,%r14
  jmp    L5
L2:
  mov    0x8(%rsp),%rdi
  call   <free@plt>
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L19
  mov    %r14,%rax
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L19:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: tag: D26
type: string
name: extract_symbolic_data
arguments: tag: D9
type: string
name: extract_symbolic_data
arguments: tag: D29
type: string

tool: 

tool: D9: |

tool: D29: %s(%s)

assistant: ```c
char *globs_to_regex(const char globs[]) {
  char *final_regex = NULL;
  size_t final_regex_len = 0UL;
  char *globs_copy = strdup(globs);
  char *glob = globs_copy, *state = NULL;
  while ((glob = split_and_get(glob, ',', &state)) != NULL) {
    void *p;
    char *regex;
    size_t new_len;
    regex = glob_to_regex(glob);
    if (regex == NULL) {
      break;
    }
    new_len = final_regex_len + 1 + 1 + strlen(regex) + 1;
    p = realloc(final_regex, new_len + 1);
    if (p != NULL) {
      final_regex = p;
      final_regex_len += sprintf(final_regex + final_regex_len, "%s(%s)", (final_regex_len != 0UL) ? "|" : "", regex);
    }
    free(regex);
  }
  free(globs_copy);
  return final_regex;
}
```
user: Translate the below assembly code into C programming language:

```asm
<globs_to_regex>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  xor    %r12d,%r12d
  push   %rbp
  push   %rbx
  xor    %ebx,%ebx
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  lea    0x10(%rsp),%r13
  call   <strdup@plt>
  movq   $0x0,0x10(%rsp)
  mov    %rax,0x8(%rsp)
  mov    %rax,%rbp
  jmp    L17
  nopl   0x0(%rax)
L11:
  mov    %rbp,%rdi
  call   <glob_to_regex@plt>
  mov    %rax,%r15
  test   %rax,%rax
  je     L34
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %r12,%rdi
  lea    0x4(%rbx,%rax,1),%rsi
  call   <realloc@plt>
  mov    %rax,%r14
  test   %rax,%rax
  je     L20
  test   %rbx,%rbx
  lea    D15(%rip),%rax
  mov    %r15,%rcx
  mov    %r14,%r12
  lea    D22(%rip),%rdx
  lea    (%r14,%rbx,1),%rdi
  cmovne %rax,%rdx
  lea    D16(%rip),%rsi
  call   <sprintf@plt>
  add    %rax,%rbx
L20:
  mov    %r15,%rdi
  call   <free@plt>
L17:
  mov    %rbp,%rdi
  mov    %r13,%rdx
  mov    $0x2c,%esi
  call   <split_and_get@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  jne    L11
L34:
  mov    0x8(%rsp),%rdi
  call   <free@plt>
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L6
  add    $0x28,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L6:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: data_tag: D15
data_type: string
name: read_data
arguments: data_tag: D22
data_type: string
name: read_data
arguments: data_tag: D16
data_type: string

tool: D15: |

tool: 

tool: D16: %s(%s)

assistant: ```c
char *globs_to_regex(const char globs[]) {
  char *final_regex = NULL;
  size_t final_regex_len = 0UL;
  char *globs_copy = strdup(globs);
  char *glob = globs_copy, *state = NULL;
  while ((glob = split_and_get(glob, ',', &state)) != NULL) {
    void *p;
    char *regex;
    size_t new_len;
    regex = glob_to_regex(glob);
    if (regex == NULL) {
      break;
    }
    new_len = final_regex_len + 1 + 1 + strlen(regex) + 1;
    p = realloc(final_regex, new_len + 1);
    if (p != NULL) {
      final_regex = p;
      final_regex_len += sprintf(final_regex + final_regex_len, "%s(%s)", (final_regex_len != 0UL) ? "|" : "", regex);
    }
    free(regex);
  }
  free(globs_copy);
  return final_regex;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<globs_to_regex>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  xor    %r12d,%r12d
  push   %rbp
  push   %rbx
  xor    %ebx,%ebx
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  lea    0x10(%rsp),%r13
  call   <strdup@plt>
  movq   $0x0,0x10(%rsp)
  mov    %rax,0x8(%rsp)
  mov    %rax,%rbp
  jmp    L40
  nopl   0x0(%rax)
L21:
  mov    %rbp,%rdi
  call   <glob_to_regex@plt>
  mov    %rax,%r15
  test   %rax,%rax
  je     L42
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %r12,%rdi
  lea    0x4(%rbx,%rax,1),%rsi
  call   <realloc@plt>
  mov    %rax,%r14
  test   %rax,%rax
  je     L16
  test   %rbx,%rbx
  lea    D15(%rip),%rax
  mov    %r15,%rcx
  mov    %r14,%r12
  lea    D3(%rip),%rdx
  lea    (%r14,%rbx,1),%rdi
  cmovne %rax,%rdx
  lea    D2(%rip),%rsi
  call   <sprintf@plt>
  add    %rax,%rbx
L16:
  mov    %r15,%rdi
  call   <free@plt>
L40:
  mov    %rbp,%rdi
  mov    %r13,%rdx
  mov    $0x2c,%esi
  call   <split_and_get@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  jne    L21
L42:
  mov    0x8(%rsp),%rdi
  call   <free@plt>
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L22
  add    $0x28,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L22:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: label: D15
type_infered: string
name: retrieve_data
arguments: label: D3
type_infered: string
name: retrieve_data
arguments: label: D2
type_infered: string

tool: D15: |

tool: 

tool: D2: %s(%s)

assistant: ```c
char *globs_to_regex(const char globs[]) {
  char *final_regex = NULL;
  size_t final_regex_len = 0UL;
  char *globs_copy = strdup(globs);
  char *glob = globs_copy, *state = NULL;
  while ((glob = split_and_get(glob, ',', &state)) != NULL) {
    void *p;
    char *regex;
    size_t new_len;
    regex = glob_to_regex(glob);
    if (regex == NULL) {
      break;
    }
    new_len = final_regex_len + 1 + 1 + strlen(regex) + 1;
    p = realloc(final_regex, new_len + 1);
    if (p != NULL) {
      final_regex = p;
      final_regex_len += sprintf(final_regex + final_regex_len, "%s(%s)", (final_regex_len != 0UL) ? "|" : "", regex);
    }
    free(regex);
  }
  free(globs_copy);
  return final_regex;
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<gamma_correct>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,%eax
  mov    %al,-0x14(%rbp)
  movzbl -0x14(%rbp),%eax
  mov    $0x3,%esi
  mov    %eax,%edi
  call   <pow@plt>
  movslq %eax,%rdx
  imul   $0xffffffff81018203,%rdx,%rdx
  shr    $0x20,%rdx
  add    %eax,%edx
  sar    $0xf,%edx
  sar    $0x1f,%eax
  mov    %eax,%ecx
  mov    %edx,%eax
  sub    %ecx,%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  leave
  ret
```

assistant: ```c
unsigned char gamma_correct(unsigned char color) {
  int corrected = pow(color, 3) / (255 * 255);
  return (unsigned char)corrected;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<gamma_correct>:
  endbr64
  sub    $0x8,%rsp
  movzbl %dil,%edi
  mov    $0x3,%esi
  call   <pow@plt>
  mov    %eax,%edx
  cltq
  imul   $0xffffffff81018203,%rax,%rax
  shr    $0x20,%rax
  add    %edx,%eax
  sar    $0xf,%eax
  sar    $0x1f,%edx
  sub    %edx,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
unsigned char gamma_correct(unsigned char color) {
  int corrected = pow(color, 3) / (255 * 255);
  return (unsigned char)corrected;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<gamma_correct>:
  endbr64
  sub    $0x8,%rsp
  movzbl %dil,%edi
  mov    $0x3,%esi
  call   <pow@plt>
  add    $0x8,%rsp
  mov    %eax,%edx
  cltq
  imul   $0xffffffff81018203,%rax,%rax
  shr    $0x20,%rax
  add    %edx,%eax
  sar    $0x1f,%edx
  sar    $0xf,%eax
  sub    %edx,%eax
  ret
```

assistant: ```c
unsigned char gamma_correct(unsigned char color) {
  int corrected = pow(color, 3) / (255 * 255);
  return (unsigned char)corrected;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<gamma_correct>:
  endbr64
  sub    $0x8,%rsp
  movzbl %dil,%edi
  mov    $0x3,%esi
  call   <pow@plt>
  add    $0x8,%rsp
  mov    %eax,%edx
  cltq
  imul   $0xffffffff81018203,%rax,%rax
  shr    $0x20,%rax
  add    %edx,%eax
  sar    $0x1f,%edx
  sar    $0xf,%eax
  sub    %edx,%eax
  ret
```

assistant: ```c
unsigned char gamma_correct(unsigned char color) {
  int corrected = pow(color, 3) / (255 * 255);
  return (unsigned char)corrected;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<getPreviousLevel>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  cmpl   $0x0,-0x1c(%rbp)
  jle    L45
  subl   $0x1,-0x1c(%rbp)
  mov    -0x1c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  mov    %al,-0x1(%rbp)
  jmp    L67
L40:
  subl   $0x1,-0x1c(%rbp)
L67:
  cmpl   $0x0,-0x1c(%rbp)
  js     L0
  mov    -0x1c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    %al,-0x1(%rbp)
  je     L40
L0:
  cmpl   $0x0,-0x1c(%rbp)
  js     L64
  mov    -0x1c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  jmp    L8
L64:
  mov    $0xffffffff,%eax
  jmp    L8
L45:
  mov    $0xffffffff,%eax
L8:
  pop    %rbp
  ret
```

assistant: ```c
int getPreviousLevel(unsigned char *level, int from) {
  if (from > 0) {
    unsigned char current = level[--from];
    while (from >= 0 && level[from] == current)
      from--;
    if (from >= 0)
      return level[from];
    return -1;
  } else
    return -1;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<getPreviousLevel>:
  endbr64
  test   %esi,%esi
  jle    L16
  lea    -0x1(%rsi),%eax
  cltq
  movzbl (%rdi,%rax,1),%ecx
  sub    $0x2,%esi
  movslq %esi,%rax
L31:
  mov    %eax,%edx
  test   %eax,%eax
  js     L20
  sub    $0x1,%rax
  cmp    %cl,0x1(%rdi,%rax,1)
  je     L31
  test   %edx,%edx
  js     L27
  movslq %edx,%rdx
  movzbl (%rdi,%rdx,1),%eax
  ret
L16:
  mov    $0xffffffff,%eax
  ret
L20:
  mov    $0xffffffff,%eax
  ret
L27:
  mov    $0xffffffff,%eax
  ret
```

assistant: ```c
int getPreviousLevel(unsigned char *level, int from) {
  if (from > 0) {
    unsigned char current = level[--from];
    while (from >= 0 && level[from] == current)
      from--;
    if (from >= 0)
      return level[from];
    return -1;
  } else
    return -1;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<getPreviousLevel>:
  endbr64
  test   %esi,%esi
  jle    L35
  lea    -0x1(%rsi),%eax
  movslq %esi,%rsi
  movslq %eax,%rdx
  lea    -0x1(%rdi,%rsi,1),%rcx
  mov    %eax,%eax
  add    %rdi,%rdx
  sub    %rax,%rcx
  movzbl (%rdx),%r8d
  jmp    L32
  nopl   0x0(%rax)
L37:
  movzbl -0x1(%rdx),%eax
  sub    $0x1,%rdx
  cmp    %r8b,%al
  jne    L16
L32:
  cmp    %rcx,%rdx
  jne    L37
L35:
  mov    $0xffffffff,%eax
  ret
L16:
  ret
```

assistant: ```c
int getPreviousLevel(unsigned char *level, int from) {
  if (from > 0) {
    unsigned char current = level[--from];
    while (from >= 0 && level[from] == current)
      from--;
    if (from >= 0)
      return level[from];
    return -1;
  } else
    return -1;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<getPreviousLevel>:
  endbr64
  test   %esi,%esi
  jle    L31
  lea    -0x1(%rsi),%eax
  movslq %esi,%rsi
  movslq %eax,%rdx
  lea    -0x1(%rdi,%rsi,1),%rcx
  mov    %eax,%eax
  add    %rdi,%rdx
  sub    %rax,%rcx
  movzbl (%rdx),%r8d
  jmp    L37
  nopl   0x0(%rax)
L32:
  movzbl -0x1(%rdx),%eax
  sub    $0x1,%rdx
  cmp    %r8b,%al
  jne    L27
L37:
  cmp    %rcx,%rdx
  jne    L32
L31:
  mov    $0xffffffff,%eax
  ret
L27:
  ret
```

assistant: ```c
int getPreviousLevel(unsigned char *level, int from) {
  if (from > 0) {
    unsigned char current = level[--from];
    while (from >= 0 && level[from] == current)
      from--;
    if (from >= 0)
      return level[from];
    return -1;
  } else
    return -1;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<initNullArr>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  movl   $0x0,-0x4(%rbp)
  jmp    L9
L19:
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movq   $0x0,(%rax)
  addl   $0x1,-0x4(%rbp)
L9:
  mov    -0x4(%rbp),%eax
  cmp    -0x1c(%rbp),%eax
  jl     L19
  nop
  nop
  pop    %rbp
  ret
```

assistant: ```c
void initNullArr(char *arr[], int size) {
  for (int i = 0; i < size; ++i) {
    arr[i] = NULL;
  }
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<initNullArr>:
  endbr64
  test   %esi,%esi
  jle    L19
  mov    %rdi,%rax
  lea    -0x1(%rsi),%edx
  lea    0x8(%rdi,%rdx,8),%rdx
L17:
  movq   $0x0,(%rax)
  add    $0x8,%rax
  cmp    %rdx,%rax
  jne    L17
L19:
  ret
```

assistant: ```c
void initNullArr(char *arr[], int size) {
  for (int i = 0; i < size; ++i) {
    arr[i] = NULL;
  }
}
```
user: What is the c source code of the assembly code below?

```asm
<initNullArr>:
  endbr64
  test   %esi,%esi
  jle    L9
  movslq %esi,%rsi
  lea    0x0(,%rsi,8),%rdx
  xor    %esi,%esi
  jmp    1050 <memset@plt>
  nopw   0x0(%rax,%rax,1)
L9:
  ret
```

assistant: ```c
void initNullArr(char *arr[], int size) {
  for (int i = 0; i < size; ++i) {
    arr[i] = NULL;
  }
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<initNullArr>:
  endbr64
  test   %esi,%esi
  jle    L2
  movslq %esi,%rsi
  lea    0x0(,%rsi,8),%rdx
  xor    %esi,%esi
  jmp    1050 <memset@plt>
  nopw   0x0(%rax,%rax,1)
L2:
  ret
```

assistant: ```c
void initNullArr(char *arr[], int size) {
  for (int i = 0; i < size; ++i) {
    arr[i] = NULL;
  }
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %edi,-0x4(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    $0x1,%esi
  mov    $0x0,%edi
  call   <is_addressable@plt>
  mov    $0x0,%eax
  leave
  ret
```

assistant: ```c
int main(int argc, char **argv) {
  is_addressable(0x0, 1);
  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
<main>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x1,%esi
  mov    $0x0,%edi
  call   <is_addressable@plt>
  mov    $0x0,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int main(int argc, char **argv) {
  is_addressable(0x0, 1);
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x1,%esi
  xor    %edi,%edi
  call   <is_addressable@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int main(int argc, char **argv) {
  is_addressable(0x0, 1);
  return 0;
}
```
user: Translate the below assembly code into C programming language:

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x1,%esi
  xor    %edi,%edi
  call   <is_addressable@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int main(int argc, char **argv) {
  is_addressable(0x0, 1);
  return 0;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<arith>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %edi,%eax
  mov    %esi,-0x8(%rbp)
  mov    %edx,-0xc(%rbp)
  mov    %al,-0x4(%rbp)
  movsbl -0x4(%rbp),%eax
  sub    $0x25,%eax
  cmp    $0x57,%eax
  ja     L86
  mov    %eax,%eax
  lea    0x0(,%rax,4),%rdx
  lea    D15(%rip),%rax
  mov    (%rdx,%rax,1),%eax
  cltq
  lea    D15(%rip),%rdx
  add    %rdx,%rax
  notrack jmp *%rax
  mov    -0x8(%rbp),%edx
  mov    -0xc(%rbp),%eax
  add    %edx,%eax
  jmp    L14
  mov    -0x8(%rbp),%eax
  sub    -0xc(%rbp),%eax
  jmp    L14
  mov    -0x8(%rbp),%eax
  imul   -0xc(%rbp),%eax
  jmp    L14
  mov    -0x8(%rbp),%eax
  cltd
  idivl  -0xc(%rbp)
  jmp    L14
  mov    -0x8(%rbp),%eax
  cltd
  idivl  -0xc(%rbp)
  mov    %edx,%eax
  jmp    L14
  mov    -0x8(%rbp),%eax
  cmp    -0xc(%rbp),%eax
  sete   %al
  movzbl %al,%eax
  jmp    L14
  mov    -0x8(%rbp),%eax
  cmp    -0xc(%rbp),%eax
  setg   %al
  movzbl %al,%eax
  jmp    L14
  mov    -0x8(%rbp),%eax
  cmp    -0xc(%rbp),%eax
  setl   %al
  movzbl %al,%eax
  jmp    L14
  mov    -0x8(%rbp),%eax
  and    -0xc(%rbp),%eax
  jmp    L14
  mov    -0x8(%rbp),%eax
  or     -0xc(%rbp),%eax
  jmp    L14
  mov    -0x8(%rbp),%eax
  xor    -0xc(%rbp),%eax
  jmp    L14
L86:
  mov    $0x1,%edi
  call   <exit@plt>
L14:
  leave
  ret
```

assistant: ```c
int arith(char op, int argument, int operand) {
  switch (op) {
  case '+':
    return (argument + operand);
  case '-':
    return (argument - operand);
  case '*':
    return (argument * operand);
  case '/':
    return (argument / operand);
  case '%':
    return (argument % operand);
  case '=':
    return (argument == operand);
  case '>':
    return (argument > operand);
  case '<':
    return (argument < operand);
  case '&':
    return (argument & operand);
  case '|':
    return (argument | operand);
  case '^':
    return (argument ^ operand);
  }
  exit(1);
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<arith>:
  endbr64
  sub    $0x25,%edi
  cmp    $0x57,%dil
  ja     L46
  mov    %esi,%eax
  mov    %edx,%r8d
  movzbl %dil,%edi
  lea    D5(%rip),%rsi
  movslq (%rsi,%rdi,4),%rcx
  add    %rsi,%rcx
  notrack jmp *%rcx
  lea    (%rax,%rdx,1),%esi
L76:
  mov    %esi,%eax
  ret
  sub    %edx,%eax
  mov    %eax,%esi
  jmp    L76
  imul   %edx,%eax
  mov    %eax,%esi
  jmp    L76
  cltd
  idiv   %r8d
  mov    %eax,%esi
  jmp    L76
  cltd
  idiv   %r8d
  mov    %edx,%esi
  jmp    L76
  cmp    %edx,%eax
  sete   %sil
  movzbl %sil,%esi
  jmp    L76
  cmp    %edx,%eax
  setg   %sil
  movzbl %sil,%esi
  jmp    L76
  cmp    %edx,%eax
  setl   %sil
  movzbl %sil,%esi
  jmp    L76
  and    %edx,%eax
  mov    %eax,%esi
  jmp    L76
  or     %edx,%eax
  mov    %eax,%esi
  jmp    L76
  xor    %edx,%eax
  mov    %eax,%esi
  jmp    L76
L46:
  sub    $0x8,%rsp
  mov    $0x1,%edi
  call   <exit@plt>
  mov    %esi,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int arith(char op, int argument, int operand) {
  switch (op) {
  case '+':
    return (argument + operand);
  case '-':
    return (argument - operand);
  case '*':
    return (argument * operand);
  case '/':
    return (argument / operand);
  case '%':
    return (argument % operand);
  case '=':
    return (argument == operand);
  case '>':
    return (argument > operand);
  case '<':
    return (argument < operand);
  case '&':
    return (argument & operand);
  case '|':
    return (argument | operand);
  case '^':
    return (argument ^ operand);
  }
  exit(1);
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<arith>:
  endbr64
  sub    $0x25,%edi
  mov    %esi,%r8d
  mov    %edx,%r9d
  cmp    $0x57,%dil
  ja     L10
  lea    D6(%rip),%rsi
  movzbl %dil,%edi
  movslq (%rsi,%rdi,4),%rcx
  add    %rsi,%rcx
  notrack jmp *%rcx
  nopl   0x0(%rax,%rax,1)
L10:
  mov    $0x1,%edi
  jmp    1050 <exit@plt>
  nopw   0x0(%rax,%rax,1)
  mov    %r8d,%eax
  cltd
  idiv   %r9d
  mov    %edx,%r8d
L80:
  mov    %r8d,%eax
  ret
  xchg   %ax,%ax
  and    %edx,%r8d
  jmp    L80
  nopl   (%rax)
  imul   %edx,%r8d
  jmp    L80
  xchg   %ax,%ax
  add    %edx,%r8d
  jmp    L80
  nopl   (%rax)
  sub    %edx,%r8d
  jmp    L80
  nopl   (%rax)
  mov    %r8d,%eax
  cltd
  idiv   %r9d
  mov    %eax,%r8d
  jmp    L80
  nopl   0x0(%rax)
  cmp    %edx,%r8d
  setl   %r8b
  movzbl %r8b,%r8d
  jmp    L80
  nopl   (%rax)
  cmp    %edx,%r8d
  sete   %r8b
  movzbl %r8b,%r8d
  jmp    L80
  nopl   (%rax)
  cmp    %edx,%r8d
  setg   %r8b
  movzbl %r8b,%r8d
  jmp    L80
  nopl   (%rax)
  xor    %edx,%r8d
  jmp    L80
  nopl   (%rax)
  or     %edx,%r8d
  jmp    L80
```

assistant: ```c
int arith(char op, int argument, int operand) {
  switch (op) {
  case '+':
    return (argument + operand);
  case '-':
    return (argument - operand);
  case '*':
    return (argument * operand);
  case '/':
    return (argument / operand);
  case '%':
    return (argument % operand);
  case '=':
    return (argument == operand);
  case '>':
    return (argument > operand);
  case '<':
    return (argument < operand);
  case '&':
    return (argument & operand);
  case '|':
    return (argument | operand);
  case '^':
    return (argument ^ operand);
  }
  exit(1);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<arith>:
  endbr64
  sub    $0x25,%edi
  mov    %esi,%r8d
  mov    %edx,%r9d
  cmp    $0x57,%dil
  ja     L18
  lea    D0(%rip),%rsi
  movzbl %dil,%edi
  movslq (%rsi,%rdi,4),%rcx
  add    %rsi,%rcx
  notrack jmp *%rcx
  nopl   0x0(%rax,%rax,1)
L18:
  mov    $0x1,%edi
  jmp    1050 <exit@plt>
  nopw   0x0(%rax,%rax,1)
  mov    %r8d,%eax
  cltd
  idiv   %r9d
  mov    %edx,%r8d
L12:
  mov    %r8d,%eax
  ret
  xchg   %ax,%ax
  and    %edx,%r8d
  jmp    L12
  nopl   (%rax)
  imul   %edx,%r8d
  jmp    L12
  xchg   %ax,%ax
  add    %edx,%r8d
  jmp    L12
  nopl   (%rax)
  sub    %edx,%r8d
  jmp    L12
  nopl   (%rax)
  mov    %r8d,%eax
  cltd
  idiv   %r9d
  mov    %eax,%r8d
  jmp    L12
  nopl   0x0(%rax)
  cmp    %edx,%r8d
  setl   %r8b
  movzbl %r8b,%r8d
  jmp    L12
  nopl   (%rax)
  cmp    %edx,%r8d
  sete   %r8b
  movzbl %r8b,%r8d
  jmp    L12
  nopl   (%rax)
  cmp    %edx,%r8d
  setg   %r8b
  movzbl %r8b,%r8d
  jmp    L12
  nopl   (%rax)
  xor    %edx,%r8d
  jmp    L12
  nopl   (%rax)
  or     %edx,%r8d
  jmp    L12
```

assistant: ```c
int arith(char op, int argument, int operand) {
  switch (op) {
  case '+':
    return (argument + operand);
  case '-':
    return (argument - operand);
  case '*':
    return (argument * operand);
  case '/':
    return (argument / operand);
  case '%':
    return (argument % operand);
  case '=':
    return (argument == operand);
  case '>':
    return (argument > operand);
  case '<':
    return (argument < operand);
  case '&':
    return (argument & operand);
  case '|':
    return (argument | operand);
  case '^':
    return (argument ^ operand);
  }
  exit(1);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<cas>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    %edx,-0x20(%rbp)
  mov    -0x18(%rbp),%rsi
  mov    -0x20(%rbp),%edx
  mov    -0x18(%rbp),%rcx
  mov    -0x1c(%rbp),%eax
  lock cmpxchg %edx,(%rsi)
  sete   %dl
  mov    %dl,-0x1(%rbp)
  mov    %eax,-0x1c(%rbp)
  movzbl -0x1(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
int cas(volatile int *addr, int expected, int newval) {
  unsigned char result;
  asm volatile("lock; cmpxchg %3, %1\n"
               "sete %b0\n"
               : "=r"(result), "+m"(*addr), "+a"(expected)
               : "r"(newval)
               : "memory", "cc");
  return result;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<cas>:
  endbr64
  mov    %esi,%eax
  lock cmpxchg %edx,(%rdi)
  sete   %dl
  movzbl %dl,%eax
  ret
```

assistant: ```c
int cas(volatile int *addr, int expected, int newval) {
  unsigned char result;
  asm volatile("lock; cmpxchg %3, %1\n"
               "sete %b0\n"
               : "=r"(result), "+m"(*addr), "+a"(expected)
               : "r"(newval)
               : "memory", "cc");
  return result;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<cas>:
  endbr64
  mov    %esi,%eax
  lock cmpxchg %edx,(%rdi)
  sete   %dl
  movzbl %dl,%eax
  ret
```

assistant: ```c
int cas(volatile int *addr, int expected, int newval) {
  unsigned char result;
  asm volatile("lock; cmpxchg %3, %1\n"
               "sete %b0\n"
               : "=r"(result), "+m"(*addr), "+a"(expected)
               : "r"(newval)
               : "memory", "cc");
  return result;
}
```