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

```asm
<Presentacion>:
  endbr64
  sub    $0x8,%rsp
  lea    D76(%rip),%rdi
  call   <printf@plt>
  lea    D77(%rip),%rdi
  call   <printf@plt>
  lea    D35(%rip),%rdi
  call   <printf@plt>
  lea    D58(%rip),%rdi
  call   <printf@plt>
  lea    D8(%rip),%rdi
  call   <printf@plt>
  lea    D70(%rip),%rdi
  call   <printf@plt>
  lea    D55(%rip),%rdi
  call   <printf@plt>
  lea    D73(%rip),%rdi
  add    $0x8,%rsp
  jmp    1050 <printf@plt>
```

tool_calls: name: extract_symbolic_data
arguments: data_tag: D76
datatype: string
name: extract_symbolic_data
arguments: data_tag: D77
datatype: string
name: extract_symbolic_data
arguments: data_tag: D35
datatype: string
name: extract_symbolic_data
arguments: data_tag: D58
datatype: string
name: extract_symbolic_data
arguments: data_tag: D8
datatype: string
name: extract_symbolic_data
arguments: data_tag: D70
datatype: string
name: extract_symbolic_data
arguments: data_tag: D55
datatype: string
name: extract_symbolic_data
arguments: data_tag: D73
datatype: string

tool: D76: **    **  ********   ******    ******   **    **   ******   ********  **    **


tool: D77: ***  ***  ********  ********  ********  ***  ***  ********  ********  **    **


tool: D35: ********  **        **        **    **  ********  **    **     **     **    **


tool: D58: ** ** **  ******    **        **    **  ** ** **  **    **     **     ********


tool: D8: **    **  ******    **  ****  ********  **    **  ********     **     ********


tool: D70: **    **  **        **    **  ********  **    **  ********     **     **    **


tool: D55: **    **  ********  ********  **    **  **    **  **    **     **     **    **


tool: D73: **    **  ********   ******   **    **  **    **  **    **     **     **    **


assistant: ```c
void Presentacion() {
  printf("**    **  ********   ******    ******   **    **   ******   ********  **    **\n");
  printf("***  ***  ********  ********  ********  ***  ***  ********  ********  **    **\n");
  printf("********  **        **        **    **  ********  **    **     **     **    **\n");
  printf("** ** **  ******    **        **    **  ** ** **  **    **     **     ********\n");
  printf("**    **  ******    **  ****  ********  **    **  ********     **     ********\n");
  printf("**    **  **        **    **  ********  **    **  ********     **     **    **\n");
  printf("**    **  ********  ********  **    **  **    **  **    **     **     **    **\n");
  printf("**    **  ********   ******   **    **  **    **  **    **     **     **    **\n");
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<fc8150_spib_byteread>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,%eax
  mov    %rdx,-0x28(%rbp)
  mov    %ax,-0x1c(%rbp)
  movb   $0x40,-0x5(%rbp)
  mov    $0x0,%eax
  call   <OAL_OBTAIN_SEMAPHORE@plt>
  movzbl -0x5(%rbp),%edx
  movzwl -0x1c(%rbp),%esi
  mov    -0x28(%rbp),%rcx
  mov    -0x18(%rbp),%rax
  mov    $0x1,%r8d
  mov    %rax,%rdi
  call   <spi_bulkread@plt>
  mov    %eax,-0x4(%rbp)
  mov    $0x0,%eax
  call   <OAL_RELEASE_SEMAPHORE@plt>
  mov    -0x4(%rbp),%eax
  leave
  ret
```

assistant: ```c
int fc8150_spib_byteread(void *hDevice, unsigned short addr, unsigned char *data) {
  int res;
  unsigned char command = 0x40;
  OAL_OBTAIN_SEMAPHORE();
  res = spi_bulkread(hDevice, addr, command, data, 1);
  OAL_RELEASE_SEMAPHORE();
  return res;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<fc8150_spib_byteread>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbp
  mov    %esi,%ebx
  mov    %rdx,%r12
  mov    $0x0,%eax
  call   <OAL_OBTAIN_SEMAPHORE@plt>
  movzwl %bx,%esi
  mov    $0x1,%r8d
  mov    %r12,%rcx
  mov    $0x40,%edx
  mov    %rbp,%rdi
  call   <spi_bulkread@plt>
  mov    %eax,%ebx
  mov    $0x0,%eax
  call   <OAL_RELEASE_SEMAPHORE@plt>
  mov    %ebx,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
int fc8150_spib_byteread(void *hDevice, unsigned short addr, unsigned char *data) {
  int res;
  unsigned char command = 0x40;
  OAL_OBTAIN_SEMAPHORE();
  res = spi_bulkread(hDevice, addr, command, data, 1);
  OAL_RELEASE_SEMAPHORE();
  return res;
}
```
user: Translate the below assembly code into C programming language:

```asm
<fc8150_spib_byteread>:
  endbr64
  push   %r13
  xor    %eax,%eax
  mov    %rdx,%r13
  push   %r12
  mov    %rdi,%r12
  push   %rbx
  mov    %esi,%ebx
  call   <OAL_OBTAIN_SEMAPHORE@plt>
  movzwl %bx,%esi
  mov    %r13,%rcx
  mov    %r12,%rdi
  mov    $0x1,%r8d
  mov    $0x40,%edx
  call   <spi_bulkread@plt>
  mov    %eax,%r12d
  xor    %eax,%eax
  call   <OAL_RELEASE_SEMAPHORE@plt>
  mov    %r12d,%eax
  pop    %rbx
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
int fc8150_spib_byteread(void *hDevice, unsigned short addr, unsigned char *data) {
  int res;
  unsigned char command = 0x40;
  OAL_OBTAIN_SEMAPHORE();
  res = spi_bulkread(hDevice, addr, command, data, 1);
  OAL_RELEASE_SEMAPHORE();
  return res;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<fc8150_spib_byteread>:
  endbr64
  push   %r13
  xor    %eax,%eax
  mov    %rdx,%r13
  push   %r12
  mov    %rdi,%r12
  push   %rbx
  mov    %esi,%ebx
  call   <OAL_OBTAIN_SEMAPHORE@plt>
  movzwl %bx,%esi
  mov    %r13,%rcx
  mov    %r12,%rdi
  mov    $0x1,%r8d
  mov    $0x40,%edx
  call   <spi_bulkread@plt>
  mov    %eax,%r12d
  xor    %eax,%eax
  call   <OAL_RELEASE_SEMAPHORE@plt>
  mov    %r12d,%eax
  pop    %rbx
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
int fc8150_spib_byteread(void *hDevice, unsigned short addr, unsigned char *data) {
  int res;
  unsigned char command = 0x40;
  OAL_OBTAIN_SEMAPHORE();
  res = spi_bulkread(hDevice, addr, command, data, 1);
  OAL_RELEASE_SEMAPHORE();
  return res;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<Convert_IntToString>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %edi,-0x24(%rbp)
  mov    -0x24(%rbp),%eax
  mov    %eax,-0x14(%rbp)
  movl   $0x1,-0x10(%rbp)
  jmp    L10
L38:
  addl   $0x1,-0x10(%rbp)
L10:
  mov    -0x14(%rbp),%eax
  movslq %eax,%rdx
  imul   $0x66666667,%rdx,%rdx
  shr    $0x20,%rdx
  sar    $0x2,%edx
  sar    $0x1f,%eax
  mov    %eax,%ecx
  mov    %edx,%eax
  sub    %ecx,%eax
  mov    %eax,-0x14(%rbp)
  cmpl   $0x0,-0x14(%rbp)
  jne    L38
  mov    -0x10(%rbp),%eax
  add    $0x1,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  movb   $0x30,(%rax)
  movl   $0x0,-0xc(%rbp)
  jmp    L17
L34:
  mov    -0x24(%rbp),%edx
  movslq %edx,%rax
  imul   $0x66666667,%rax,%rax
  shr    $0x20,%rax
  sar    $0x2,%eax
  mov    %edx,%esi
  sar    $0x1f,%esi
  sub    %esi,%eax
  mov    %eax,%ecx
  mov    %ecx,%eax
  shl    $0x2,%eax
  add    %ecx,%eax
  add    %eax,%eax
  mov    %edx,%ecx
  sub    %eax,%ecx
  mov    %ecx,%eax
  lea    0x30(%rax),%edx
  mov    -0x10(%rbp),%eax
  sub    -0xc(%rbp),%eax
  cltq
  lea    -0x1(%rax),%rcx
  mov    -0x8(%rbp),%rax
  add    %rcx,%rax
  mov    %dl,(%rax)
  mov    -0x24(%rbp),%eax
  movslq %eax,%rdx
  imul   $0x66666667,%rdx,%rdx
  shr    $0x20,%rdx
  sar    $0x2,%edx
  sar    $0x1f,%eax
  mov    %eax,%ecx
  mov    %edx,%eax
  sub    %ecx,%eax
  mov    %eax,-0x24(%rbp)
  addl   $0x1,-0xc(%rbp)
L17:
  cmpl   $0x0,-0x24(%rbp)
  jne    L34
  mov    -0x10(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  mov    -0x8(%rbp),%rax
  leave
  ret
```

assistant: ```c
char *Convert_IntToString(int num) {
  char *arr;
  int tmp, k, i;
  tmp = num;
  k = 1;
  while ((tmp /= 10) != 0)
    k++;
  arr = (char *)malloc(sizeof(char) * (k + 1));
  arr[0] = '0';
  i = 0;
  while (num != 0) {
    arr[k - i - 1] = num % 10 + 48;
    num /= 10;
    i++;
  }
  arr[k] = '\0';
  return arr;
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<Convert_IntToString>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %edi,%ebx
  movslq %edi,%rdx
  imul   $0x66666667,%rdx,%rdx
  sar    $0x22,%rdx
  mov    %edi,%eax
  sar    $0x1f,%eax
  sub    %eax,%edx
  je     L15
  mov    $0x1,%ebp
L16:
  add    $0x1,%ebp
  movslq %edx,%rax
  imul   $0x66666667,%rax,%rax
  sar    $0x22,%rax
  sar    $0x1f,%edx
  sub    %edx,%eax
  mov    %eax,%edx
  jne    L16
L22:
  lea    0x1(%rbp),%edi
  call   <malloc@plt>
  movb   $0x30,(%rax)
  test   %ebx,%ebx
  je     L11
  movslq %ebp,%rdx
  lea    -0x1(%rax,%rdx,1),%rsi
L43:
  movslq %ebx,%rdx
  imul   $0x66666667,%rdx,%rdx
  sar    $0x22,%rdx
  mov    %ebx,%ecx
  sar    $0x1f,%ecx
  sub    %ecx,%edx
  lea    (%rdx,%rdx,4),%ecx
  add    %ecx,%ecx
  sub    %ecx,%ebx
  add    $0x30,%ebx
  mov    %bl,(%rsi)
  mov    %edx,%ebx
  sub    $0x1,%rsi
  test   %edx,%edx
  jne    L43
L11:
  movslq %ebp,%rbp
  movb   $0x0,(%rax,%rbp,1)
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
L15:
  mov    $0x1,%ebp
  jmp    L22
```

assistant: ```c
char *Convert_IntToString(int num) {
  char *arr;
  int tmp, k, i;
  tmp = num;
  k = 1;
  while ((tmp /= 10) != 0)
    k++;
  arr = (char *)malloc(sizeof(char) * (k + 1));
  arr[0] = '0';
  i = 0;
  while (num != 0) {
    arr[k - i - 1] = num % 10 + 48;
    num /= 10;
    i++;
  }
  arr[k] = '\0';
  return arr;
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<Convert_IntToString>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  movslq %edi,%rbx
  imul   $0x66666667,%rbx,%rdx
  mov    %ebx,%eax
  mov    %rbx,%rbp
  sar    $0x1f,%eax
  sub    $0x8,%rsp
  sar    $0x22,%rdx
  sub    %eax,%edx
  je     L6
  mov    $0x1,%r13d
  nopw   0x0(%rax,%rax,1)
L18:
  movslq %edx,%rax
  mov    %edx,%ecx
  mov    %r13d,%edi
  add    $0x1,%r13d
  imul   $0x66666667,%rax,%rax
  sar    $0x1f,%ecx
  sar    $0x22,%rax
  sub    %ecx,%eax
  mov    %eax,%edx
  jne    L18
  add    $0x2,%edi
  movslq %r13d,%r12
L47:
  call   <malloc@plt>
  movslq %r13d,%r13
  movb   $0x30,(%rax)
  lea    -0x1(%rax,%r13,1),%rsi
  test   %ebp,%ebp
  jne    L12
  jmp    L3
  nopl   0x0(%rax)
L2:
  movslq %edx,%rbx
L12:
  imul   $0x66666667,%rbx,%rdx
  mov    %ebp,%ecx
  sub    $0x1,%rsi
  sar    $0x1f,%ecx
  sar    $0x22,%rdx
  sub    %ecx,%edx
  lea    (%rdx,%rdx,4),%ecx
  add    %ecx,%ecx
  sub    %ecx,%ebp
  add    $0x30,%ebp
  mov    %bpl,0x1(%rsi)
  mov    %edx,%ebp
  test   %edx,%edx
  jne    L2
L3:
  movb   $0x0,(%rax,%r12,1)
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   (%rax)
L6:
  mov    $0x1,%r12d
  mov    $0x2,%edi
  mov    $0x1,%r13d
  jmp    L47
```

assistant: ```c
char *Convert_IntToString(int num) {
  char *arr;
  int tmp, k, i;
  tmp = num;
  k = 1;
  while ((tmp /= 10) != 0)
    k++;
  arr = (char *)malloc(sizeof(char) * (k + 1));
  arr[0] = '0';
  i = 0;
  while (num != 0) {
    arr[k - i - 1] = num % 10 + 48;
    num /= 10;
    i++;
  }
  arr[k] = '\0';
  return arr;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<Convert_IntToString>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  movslq %edi,%rbx
  imul   $0x66666667,%rbx,%rdx
  mov    %ebx,%eax
  mov    %rbx,%rbp
  sar    $0x1f,%eax
  sub    $0x8,%rsp
  sar    $0x22,%rdx
  sub    %eax,%edx
  je     L31
  mov    $0x1,%r13d
  nopw   0x0(%rax,%rax,1)
L51:
  movslq %edx,%rax
  mov    %edx,%ecx
  mov    %r13d,%edi
  add    $0x1,%r13d
  imul   $0x66666667,%rax,%rax
  sar    $0x1f,%ecx
  sar    $0x22,%rax
  sub    %ecx,%eax
  mov    %eax,%edx
  jne    L51
  add    $0x2,%edi
  movslq %r13d,%r12
L13:
  call   <malloc@plt>
  movslq %r13d,%r13
  movb   $0x30,(%rax)
  lea    -0x1(%rax,%r13,1),%rsi
  test   %ebp,%ebp
  jne    L43
  jmp    L33
  nopl   0x0(%rax)
L48:
  movslq %edx,%rbx
L43:
  imul   $0x66666667,%rbx,%rdx
  mov    %ebp,%ecx
  sub    $0x1,%rsi
  sar    $0x1f,%ecx
  sar    $0x22,%rdx
  sub    %ecx,%edx
  lea    (%rdx,%rdx,4),%ecx
  add    %ecx,%ecx
  sub    %ecx,%ebp
  add    $0x30,%ebp
  mov    %bpl,0x1(%rsi)
  mov    %edx,%ebp
  test   %edx,%edx
  jne    L48
L33:
  movb   $0x0,(%rax,%r12,1)
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   (%rax)
L31:
  mov    $0x1,%r12d
  mov    $0x2,%edi
  mov    $0x1,%r13d
  jmp    L13
```

assistant: ```c
char *Convert_IntToString(int num) {
  char *arr;
  int tmp, k, i;
  tmp = num;
  k = 1;
  while ((tmp /= 10) != 0)
    k++;
  arr = (char *)malloc(sizeof(char) * (k + 1));
  arr[0] = '0';
  i = 0;
  while (num != 0) {
    arr[k - i - 1] = num % 10 + 48;
    num /= 10;
    i++;
  }
  arr[k] = '\0';
  return arr;
}
```
user: Translate the below assembly code into C programming language:

```asm
<hook_char_replace>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %ecx,%eax
  mov    %dl,-0x24(%rbp)
  mov    %al,-0x28(%rbp)
  movl   $0x0,-0x4(%rbp)
  movl   $0x0,-0x4(%rbp)
  jmp    L27
L2:
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    %al,-0x24(%rbp)
  jne    L24
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rax,%rdx
  movzbl -0x28(%rbp),%eax
  mov    %al,(%rdx)
L24:
  addl   $0x1,-0x4(%rbp)
L27:
  mov    -0x4(%rbp),%eax
  cltq
  cmp    %rax,-0x20(%rbp)
  ja     L2
  nop
  nop
  pop    %rbp
  ret
```

assistant: ```c
void hook_char_replace(char *string, size_t len, char replacethis, char withthis) {
  int i = 0;
  for (i = 0; i < len; i++)
    if (string[i] == replacethis)
      string[i] = withthis;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<hook_char_replace>:
  endbr64
  test   %rsi,%rsi
  je     L18
  mov    %rdi,%rax
  add    %rsi,%rdi
  jmp    L29
L2:
  add    $0x1,%rax
  cmp    %rdi,%rax
  je     L18
L29:
  cmp    %dl,(%rax)
  jne    L2
  mov    %cl,(%rax)
  jmp    L2
L18:
  ret
```

assistant: ```c
void hook_char_replace(char *string, size_t len, char replacethis, char withthis) {
  int i = 0;
  for (i = 0; i < len; i++)
    if (string[i] == replacethis)
      string[i] = withthis;
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<hook_char_replace>:
  endbr64
  test   %rsi,%rsi
  je     L9
  add    %rdi,%rsi
  nopl   0x0(%rax)
L14:
  cmp    %dl,(%rdi)
  jne    L0
  mov    %cl,(%rdi)
L0:
  add    $0x1,%rdi
  cmp    %rsi,%rdi
  jne    L14
L9:
  ret
```

assistant: ```c
void hook_char_replace(char *string, size_t len, char replacethis, char withthis) {
  int i = 0;
  for (i = 0; i < len; i++)
    if (string[i] == replacethis)
      string[i] = withthis;
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<hook_char_replace>:
  endbr64
  test   %rsi,%rsi
  je     L2
  add    %rdi,%rsi
  nopl   0x0(%rax)
L18:
  cmp    %dl,(%rdi)
  jne    L1
  mov    %cl,(%rdi)
L1:
  add    $0x1,%rdi
  cmp    %rsi,%rdi
  jne    L18
L2:
  ret
```

assistant: ```c
void hook_char_replace(char *string, size_t len, char replacethis, char withthis) {
  int i = 0;
  for (i = 0; i < len; i++)
    if (string[i] == replacethis)
      string[i] = withthis;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<read_pid>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    -0x28(%rbp),%rax
  lea    D16(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <fopen@plt>
  mov    %rax,-0x10(%rbp)
  cmpq   $0x0,-0x10(%rbp)
  jne    L23
  mov    $0x0,%eax
  jmp    L11
L23:
  lea    -0x14(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  lea    D9(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <fscanf@plt>
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <fclose@plt>
  mov    -0x14(%rbp),%eax
L11:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L5
  call   <__stack_chk_fail@plt>
L5:
  leave
  ret
```

tool_calls: name: extract_symbolic_data
arguments: label: D16
type_guessed: string
name: extract_symbolic_data
arguments: label: D9
type_guessed: string

tool: D16: r

tool: D9: %d

assistant: ```c
int read_pid(char *pidfile) {
  FILE *f;
  int pid;
  if (!(f = fopen(pidfile, "r")))
    return 0;
  fscanf(f, "%d", &pid);
  fclose(f);
  return pid;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<read_pid>:
  endbr64
  push   %rbx
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    D18(%rip),%rsi
  call   <fopen@plt>
  mov    %rax,%rbx
  mov    $0x0,%eax
  test   %rbx,%rbx
  je     L16
  lea    0x4(%rsp),%rdx
  lea    D16(%rip),%rsi
  mov    %rbx,%rdi
  call   <fscanf@plt>
  mov    %rbx,%rdi
  call   <fclose@plt>
  mov    0x4(%rsp),%eax
L16:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L2
  add    $0x10,%rsp
  pop    %rbx
  ret
L2:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: data_label: D18
type: string
name: retrieve_data
arguments: data_label: D16
type: string

tool: D18: r

tool: D16: %d

assistant: ```c
int read_pid(char *pidfile) {
  FILE *f;
  int pid;
  if (!(f = fopen(pidfile, "r")))
    return 0;
  fscanf(f, "%d", &pid);
  fclose(f);
  return pid;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<read_pid>:
  endbr64
  push   %rbp
  lea    D14(%rip),%rsi
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  call   <fopen@plt>
  mov    %rax,%rbp
  xor    %eax,%eax
  test   %rbp,%rbp
  je     L0
  lea    0x4(%rsp),%rdx
  lea    D12(%rip),%rsi
  mov    %rbp,%rdi
  call   <fscanf@plt>
  mov    %rbp,%rdi
  call   <fclose@plt>
  mov    0x4(%rsp),%eax
L0:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L10
  add    $0x10,%rsp
  pop    %rbp
  ret
L10:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: label: D14
type_guessed: string
name: read_data
arguments: label: D12
type_guessed: string

tool: D14: r

tool: D12: %d

assistant: ```c
int read_pid(char *pidfile) {
  FILE *f;
  int pid;
  if (!(f = fopen(pidfile, "r")))
    return 0;
  fscanf(f, "%d", &pid);
  fclose(f);
  return pid;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<read_pid>:
  endbr64
  push   %rbp
  lea    D4(%rip),%rsi
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  call   <fopen@plt>
  mov    %rax,%rbp
  xor    %eax,%eax
  test   %rbp,%rbp
  je     L5
  lea    0x4(%rsp),%rdx
  lea    D2(%rip),%rsi
  mov    %rbp,%rdi
  call   <fscanf@plt>
  mov    %rbp,%rdi
  call   <fclose@plt>
  mov    0x4(%rsp),%eax
L5:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L6
  add    $0x10,%rsp
  pop    %rbp
  ret
L6:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: tag: D4
datatype: string
name: parse_data
arguments: tag: D2
datatype: string

tool: D4: r

tool: D2: %d

assistant: ```c
int read_pid(char *pidfile) {
  FILE *f;
  int pid;
  if (!(f = fopen(pidfile, "r")))
    return 0;
  fscanf(f, "%d", &pid);
  fclose(f);
  return pid;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<by_file_ctrl>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x48,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %esi,-0x2c(%rbp)
  mov    %rdx,-0x38(%rbp)
  mov    %rcx,-0x40(%rbp)
  mov    %r8,-0x48(%rbp)
  movl   $0x0,-0x1c(%rbp)
  movq   $0x0,-0x18(%rbp)
  cmpl   $0x80,-0x2c(%rbp)
  jne    L52
  mov    D54(%rip),%rax
  mov    (%rax),%rax
  cmp    %rax,-0x40(%rbp)
  jne    L47
  mov    $0x0,%eax
  call   <issetugid@plt>
  test   %eax,%eax
  jne    L28
  mov    $0x0,%eax
  call   <X509_get_default_cert_file_env@plt>
  mov    %eax,%edi
  call   <getenv@plt>
  mov    %rax,-0x18(%rbp)
L28:
  cmpq   $0x0,-0x18(%rbp)
  je     L67
  mov    D15(%rip),%rax
  mov    (%rax),%rdx
  mov    -0x18(%rbp),%rcx
  mov    -0x28(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <X509_load_cert_crl_file@plt>
  test   %eax,%eax
  setne  %al
  movzbl %al,%eax
  mov    %eax,-0x1c(%rbp)
  jmp    L36
L67:
  mov    D15(%rip),%rax
  mov    (%rax),%rbx
  mov    $0x0,%eax
  call   <X509_get_default_cert_file@plt>
  mov    %rax,%rcx
  mov    -0x28(%rbp),%rax
  mov    %rbx,%rdx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <X509_load_cert_crl_file@plt>
  test   %eax,%eax
  setne  %al
  movzbl %al,%eax
  mov    %eax,-0x1c(%rbp)
L36:
  cmpl   $0x0,-0x1c(%rbp)
  jne    L40
  mov    D50(%rip),%rax
  mov    (%rax),%edx
  mov    D56(%rip),%rax
  mov    (%rax),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <X509err@plt>
  jmp    L40
L47:
  mov    D15(%rip),%rax
  mov    (%rax),%rax
  cmp    %rax,-0x40(%rbp)
  jne    L44
  mov    D15(%rip),%rax
  mov    (%rax),%rdx
  mov    -0x38(%rbp),%rcx
  mov    -0x28(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <X509_load_cert_crl_file@plt>
  test   %eax,%eax
  setne  %al
  movzbl %al,%eax
  mov    %eax,-0x1c(%rbp)
  jmp    L40
L44:
  mov    -0x40(%rbp),%rax
  mov    %eax,%edx
  mov    -0x38(%rbp),%rcx
  mov    -0x28(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <X509_load_cert_file@plt>
  test   %eax,%eax
  setne  %al
  movzbl %al,%eax
  mov    %eax,-0x1c(%rbp)
L40:
  nop
L52:
  mov    -0x1c(%rbp),%eax
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
int by_file_ctrl(X509_LOOKUP *ctx, int cmd, const char *argp, long argl, char **ret) {
  int ok = 0;
  char *file = NULL;
  switch (cmd) {
  case X509_L_FILE_LOAD:
    if (argl == X509_FILETYPE_DEFAULT) {
      if (issetugid() == 0)
        file = getenv(X509_get_default_cert_file_env());
      if (file)
        ok = (X509_load_cert_crl_file(ctx, file, X509_FILETYPE_PEM) != 0);
      else
        ok = (X509_load_cert_crl_file(ctx, X509_get_default_cert_file(), X509_FILETYPE_PEM) != 0);
      if (!ok) {
        X509err(X509_F_BY_FILE_CTRL, X509_R_LOADING_DEFAULTS);
      }
    } else {
      if (argl == X509_FILETYPE_PEM)
        ok = (X509_load_cert_crl_file(ctx, argp, X509_FILETYPE_PEM) != 0);
      else
        ok = (X509_load_cert_file(ctx, argp, (int)argl) != 0);
    }
    break;
  }
  return (ok);
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<by_file_ctrl>:
  endbr64
  mov    $0x0,%eax
  cmp    $0x80,%esi
  je     L8
  ret
L8:
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbx
  mov    %rdx,%rdi
  mov    D33(%rip),%rax
  cmp    %rcx,(%rax)
  je     L31
  mov    D18(%rip),%rax
  cmp    %rcx,(%rax)
  je     L50
  mov    %ecx,%edx
  mov    %rdi,%rsi
  mov    %rbx,%rdi
  call   <X509_load_cert_file@plt>
  test   %eax,%eax
  setne  %al
  movzbl %al,%eax
L4:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
L31:
  mov    $0x0,%eax
  call   <issetugid@plt>
  test   %eax,%eax
  jne    L33
  call   <X509_get_default_cert_file_env@plt>
  mov    %eax,%edi
  call   <getenv@plt>
  test   %rax,%rax
  je     L33
  mov    D18(%rip),%rdx
  mov    (%rdx),%rdx
  mov    %rax,%rsi
  mov    %rbx,%rdi
  call   <X509_load_cert_crl_file@plt>
  test   %eax,%eax
  je     L16
  mov    $0x1,%eax
  jmp    L4
L33:
  mov    D18(%rip),%rax
  mov    (%rax),%rbp
  mov    $0x0,%eax
  call   <X509_get_default_cert_file@plt>
  mov    %rax,%rsi
  mov    %rbp,%rdx
  mov    %rbx,%rdi
  call   <X509_load_cert_crl_file@plt>
  mov    %eax,%edx
  mov    $0x1,%eax
  test   %edx,%edx
  jne    L4
L16:
  mov    D9(%rip),%rax
  mov    (%rax),%esi
  mov    D41(%rip),%rax
  mov    (%rax),%edi
  call   <X509err@plt>
  mov    $0x0,%eax
  jmp    L4
L50:
  mov    %rcx,%rdx
  mov    %rdi,%rsi
  mov    %rbx,%rdi
  call   <X509_load_cert_crl_file@plt>
  test   %eax,%eax
  setne  %al
  movzbl %al,%eax
  jmp    L4
```

assistant: ```c
int by_file_ctrl(X509_LOOKUP *ctx, int cmd, const char *argp, long argl, char **ret) {
  int ok = 0;
  char *file = NULL;
  switch (cmd) {
  case X509_L_FILE_LOAD:
    if (argl == X509_FILETYPE_DEFAULT) {
      if (issetugid() == 0)
        file = getenv(X509_get_default_cert_file_env());
      if (file)
        ok = (X509_load_cert_crl_file(ctx, file, X509_FILETYPE_PEM) != 0);
      else
        ok = (X509_load_cert_crl_file(ctx, X509_get_default_cert_file(), X509_FILETYPE_PEM) != 0);
      if (!ok) {
        X509err(X509_F_BY_FILE_CTRL, X509_R_LOADING_DEFAULTS);
      }
    } else {
      if (argl == X509_FILETYPE_PEM)
        ok = (X509_load_cert_crl_file(ctx, argp, X509_FILETYPE_PEM) != 0);
      else
        ok = (X509_load_cert_file(ctx, argp, (int)argl) != 0);
    }
    break;
  }
  return (ok);
}
```