ylfeng/ReF-Decompile-dataset huggingface dataset:
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<quick_sort4>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %rdx,-0x38(%rbp)
  mov    -0x30(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x30(%rbp),%rax
  mov    %rax,-0x20(%rbp)
  mov    -0x38(%rbp),%rax
  mov    %rax,-0x18(%rbp)
L7:
  subq   $0x1,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  cmp    %rax,-0x10(%rbp)
  jb     L7
L55:
  addq   $0x1,-0x20(%rbp)
  mov    -0x20(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  cmp    %rax,-0x10(%rbp)
  ja     L55
  mov    -0x20(%rbp),%rax
  cmp    -0x18(%rbp),%rax
  jae    L28
  mov    -0x20(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  mov    %rax,-0x8(%rbp)
  mov    -0x18(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    -0x20(%rbp),%rdx
  lea    0x0(,%rdx,8),%rcx
  mov    -0x28(%rbp),%rdx
  add    %rcx,%rdx
  mov    (%rax),%rax
  mov    %rax,(%rdx)
  mov    -0x18(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x28(%rbp),%rax
  add    %rax,%rdx
  mov    -0x8(%rbp),%rax
  mov    %rax,(%rdx)
  jmp    L7
L28:
  nop
  mov    -0x18(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    -0x30(%rbp),%rdx
  lea    0x0(,%rdx,8),%rcx
  mov    -0x28(%rbp),%rdx
  add    %rcx,%rdx
  mov    (%rax),%rax
  mov    %rax,(%rdx)
  mov    -0x18(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x28(%rbp),%rax
  add    %rax,%rdx
  mov    -0x10(%rbp),%rax
  mov    %rax,(%rdx)
  mov    -0x30(%rbp),%rax
  add    $0x1,%rax
  cmp    %rax,-0x18(%rbp)
  jbe    L40
  mov    -0x18(%rbp),%rdx
  mov    -0x30(%rbp),%rcx
  mov    -0x28(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <quick_sort4>
L40:
  addq   $0x1,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  add    $0x1,%rax
  cmp    %rax,-0x38(%rbp)
  jbe    L17
  mov    -0x38(%rbp),%rdx
  mov    -0x18(%rbp),%rcx
  mov    -0x28(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <quick_sort4>
L17:
  nop
  leave
  ret
```

assistant: ```c
void quick_sort4(int32_t *a, int32_t low, int32_t high) {
  int32_t i, j, p, aux;
  p = a[low];
  i = low;
  j = high;
  for (;;) {
    do {
      j--;
    } while (a[j] > p);
    do {
      i++;
    } while (a[i] < p);
    if (i >= j)
      break;
    aux = a[i];
    a[i] = a[j];
    a[j] = aux;
  }
  a[low] = a[j];
  a[j] = p;
  if (j > low + 1)
    quick_sort4(a, low, j);
  j++;
  if (high > j + 1)
    quick_sort4(a, j, high);
}
```
user: Translate the below assembly code into C programming language:

```asm
<quick_sort4>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbp
  mov    %rsi,%r13
  mov    %rdx,%r12
  lea    (%rdi,%rsi,8),%r14
  mov    (%r14),%rsi
  lea    -0x8(%rdi,%rdx,8),%r8
  mov    %rdx,%rbx
  mov    %r13,%rdx
  jmp    L67
L69:
  sub    $0x8,%r8
  mov    %r9,%rbx
L67:
  lea    -0x1(%rbx),%r9
  mov    %r8,%r11
  mov    (%r8),%r10
  cmp    %rsi,%r10
  ja     L69
  lea    0x8(%rbp,%rdx,8),%rax
L73:
  add    $0x1,%rdx
  mov    %rax,%rdi
  add    $0x8,%rax
  mov    -0x8(%rax),%rcx
  cmp    %rsi,%rcx
  jb     L73
  cmp    %rdx,%r9
  jbe    L24
  mov    %r10,(%rdi)
  mov    %rcx,(%r11)
  jmp    L69
L24:
  mov    %r10,(%r14)
  mov    %rsi,(%r11)
  lea    0x1(%r13),%rax
  cmp    %r9,%rax
  jb     L0
L26:
  lea    0x1(%rbx),%rax
  cmp    %r12,%rax
  jb     L12
L44:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L0:
  mov    %r9,%rdx
  mov    %r13,%rsi
  mov    %rbp,%rdi
  call   <quick_sort4>
  jmp    L26
L12:
  mov    %r12,%rdx
  mov    %rbx,%rsi
  mov    %rbp,%rdi
  call   <quick_sort4>
  jmp    L44
```

assistant: ```c
void quick_sort4(int32_t *a, int32_t low, int32_t high) {
  int32_t i, j, p, aux;
  p = a[low];
  i = low;
  j = high;
  for (;;) {
    do {
      j--;
    } while (a[j] > p);
    do {
      i++;
    } while (a[i] < p);
    if (i >= j)
      break;
    aux = a[i];
    a[i] = a[j];
    a[j] = aux;
  }
  a[low] = a[j];
  a[j] = p;
  if (j > low + 1)
    quick_sort4(a, low, j);
  j++;
  if (high > j + 1)
    quick_sort4(a, j, high);
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<quick_sort4>:
  endbr64
  push   %r15
  push   %r14
  mov    %rsi,%r14
  push   %r13
  mov    %rdi,%r13
  push   %r12
  lea    -0x8(%rdi,%rdx,8),%r12
  push   %rbp
  mov    %rdx,%rbp
  push   %rbx
  sub    $0x8,%rsp
L14:
  lea    0x0(%r13,%r14,8),%r15
  mov    %r12,%r9
  mov    %rbp,%rbx
  mov    %r14,%rdi
  mov    (%r15),%rsi
  nopl   0x0(%rax)
L29:
  mov    (%r9),%r11
  lea    -0x1(%rbx),%r10
  cmp    %rsi,%r11
  ja     L61
  lea    0x1(%rdi),%rdx
  lea    0x0(%r13,%rdx,8),%rax
  jmp    L33
  nop
L83:
  add    $0x1,%rdx
L33:
  mov    %rax,%r8
  mov    (%rax),%rcx
  add    $0x8,%rax
  mov    %rdx,%rdi
  cmp    %rsi,%rcx
  jb     L83
  cmp    %rdx,%r10
  jbe    L71
  mov    %r11,(%r8)
  mov    %rcx,(%r9)
L61:
  sub    $0x8,%r9
  mov    %r10,%rbx
  jmp    L29
  nopw   0x0(%rax,%rax,1)
L71:
  lea    0x1(%r14),%rax
  mov    %r11,(%r15)
  mov    %rsi,(%r9)
  cmp    %r10,%rax
  jb     L84
L70:
  lea    0x1(%rbx),%rax
  cmp    %rbp,%rax
  jae    L52
  mov    %rbx,%r14
  jmp    L14
L52:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L84:
  mov    %r10,%rdx
  mov    %r14,%rsi
  mov    %r13,%rdi
  call   <quick_sort4>
  jmp    L70
```

assistant: ```c
void quick_sort4(int32_t *a, int32_t low, int32_t high) {
  int32_t i, j, p, aux;
  p = a[low];
  i = low;
  j = high;
  for (;;) {
    do {
      j--;
    } while (a[j] > p);
    do {
      i++;
    } while (a[i] < p);
    if (i >= j)
      break;
    aux = a[i];
    a[i] = a[j];
    a[j] = aux;
  }
  a[low] = a[j];
  a[j] = p;
  if (j > low + 1)
    quick_sort4(a, low, j);
  j++;
  if (high > j + 1)
    quick_sort4(a, j, high);
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<_cyccalloc_atomic>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,-0x14(%rbp)
  mov    %esi,-0x18(%rbp)
  mov    -0x18(%rbp),%edx
  mov    -0x14(%rbp),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <GC_calloc_atomic@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  jne    L5
  mov    $0x0,%eax
  call   <_throw_badalloc@plt>
L5:
  mov    -0x8(%rbp),%rax
  leave
  ret
```

assistant: ```c
void *_cyccalloc_atomic(unsigned n, unsigned s) {
  void *ans = (void *)GC_calloc_atomic(n, s);
  if (!ans)
    _throw_badalloc();
  return ans;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<_cyccalloc_atomic>:
  endbr64
  push   %rbx
  call   <GC_calloc_atomic@plt>
  mov    %rax,%rbx
  test   %rax,%rax
  je     L5
L18:
  mov    %rbx,%rax
  pop    %rbx
  ret
L5:
  mov    $0x0,%eax
  call   <_throw_badalloc@plt>
  jmp    L18
```

assistant: ```c
void *_cyccalloc_atomic(unsigned n, unsigned s) {
  void *ans = (void *)GC_calloc_atomic(n, s);
  if (!ans)
    _throw_badalloc();
  return ans;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<_cyccalloc_atomic>:
  endbr64
  push   %r12
  call   <GC_calloc_atomic@plt>
  mov    %rax,%r12
  test   %rax,%rax
  je     L9
  mov    %r12,%rax
  pop    %r12
  ret
  nopl   0x0(%rax)
L9:
  xor    %eax,%eax
  call   <_throw_badalloc@plt>
  mov    %r12,%rax
  pop    %r12
  ret
```

assistant: ```c
void *_cyccalloc_atomic(unsigned n, unsigned s) {
  void *ans = (void *)GC_calloc_atomic(n, s);
  if (!ans)
    _throw_badalloc();
  return ans;
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<_cyccalloc_atomic>:
  endbr64
  push   %r12
  call   <GC_calloc_atomic@plt>
  mov    %rax,%r12
  test   %rax,%rax
  je     L2
  mov    %r12,%rax
  pop    %r12
  ret
  nopl   0x0(%rax)
L2:
  xor    %eax,%eax
  call   <_throw_badalloc@plt>
  mov    %r12,%rax
  pop    %r12
  ret
```

assistant: ```c
void *_cyccalloc_atomic(unsigned n, unsigned s) {
  void *ans = (void *)GC_calloc_atomic(n, s);
  if (!ans)
    _throw_badalloc();
  return ans;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<read_file_into_buffer>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  mov    -0x28(%rbp),%rax
  lea    D6(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <fopen@plt>
  mov    %rax,-0x10(%rbp)
  cmpq   $0x0,-0x10(%rbp)
  jne    L16
  mov    $0xffffffff,%eax
  jmp    L19
L16:
  mov    -0x10(%rbp),%rcx
  mov    -0x20(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  mov    $0x1,%esi
  mov    %rax,%rdi
  call   <fread@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <fclose@plt>
  mov    -0x8(%rbp),%rax
L19:
  leave
  ret
```

tool_calls: name: disassemble_data
arguments: label: D6
type: string

tool: D6: rb

assistant: ```c
int read_file_into_buffer(uint8_t *buffer, size_t bytes_to_read, const char *filename) {
  FILE *ptr;
  ptr = fopen(filename, "rb");
  if (NULL == ptr)
    return -1;
  size_t bytes_read = fread(buffer, 1, bytes_to_read, ptr);
  (void)fclose(ptr);
  return (int)bytes_read;
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<read_file_into_buffer>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbp
  mov    %rsi,%r12
  mov    %rdx,%rdi
  lea    D3(%rip),%rsi
  call   <fopen@plt>
  test   %rax,%rax
  je     L6
  mov    %rax,%rbx
  mov    %rax,%rcx
  mov    %r12,%rdx
  mov    $0x1,%esi
  mov    %rbp,%rdi
  call   <fread@plt>
  mov    %rax,%rbp
  mov    %rbx,%rdi
  call   <fclose@plt>
  mov    %ebp,%eax
L19:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L6:
  mov    $0xffffffff,%eax
  jmp    L19
```

tool_calls: name: parse_data
arguments: label: D3
type_guessed: string

tool: D3: rb

assistant: ```c
int read_file_into_buffer(uint8_t *buffer, size_t bytes_to_read, const char *filename) {
  FILE *ptr;
  ptr = fopen(filename, "rb");
  if (NULL == ptr)
    return -1;
  size_t bytes_read = fread(buffer, 1, bytes_to_read, ptr);
  (void)fclose(ptr);
  return (int)bytes_read;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<read_file_into_buffer>:
  endbr64
  push   %r13
  mov    %rsi,%r13
  lea    D8(%rip),%rsi
  push   %r12
  mov    %rdi,%r12
  mov    %rdx,%rdi
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  call   <fopen@plt>
  test   %rax,%rax
  je     L19
  mov    %rax,%rcx
  mov    %r13,%rdx
  mov    $0x1,%esi
  mov    %r12,%rdi
  mov    %rax,%rbp
  call   <fread@plt>
  mov    %rbp,%rdi
  mov    %rax,%rbx
  call   <fclose@plt>
  mov    %ebx,%eax
L2:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L19:
  mov    $0xffffffff,%eax
  jmp    L2
```

tool_calls: name: parse_data
arguments: data_label: D8
data_type: string

tool: D8: rb

assistant: ```c
int read_file_into_buffer(uint8_t *buffer, size_t bytes_to_read, const char *filename) {
  FILE *ptr;
  ptr = fopen(filename, "rb");
  if (NULL == ptr)
    return -1;
  size_t bytes_read = fread(buffer, 1, bytes_to_read, ptr);
  (void)fclose(ptr);
  return (int)bytes_read;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<read_file_into_buffer>:
  endbr64
  push   %r13
  mov    %rsi,%r13
  lea    D5(%rip),%rsi
  push   %r12
  mov    %rdi,%r12
  mov    %rdx,%rdi
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  call   <fopen@plt>
  test   %rax,%rax
  je     L18
  mov    %rax,%rcx
  mov    %r13,%rdx
  mov    $0x1,%esi
  mov    %r12,%rdi
  mov    %rax,%rbp
  call   <fread@plt>
  mov    %rbp,%rdi
  mov    %rax,%rbx
  call   <fclose@plt>
  mov    %ebx,%eax
L3:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L18:
  mov    $0xffffffff,%eax
  jmp    L3
```

tool_calls: name: unpack_data
arguments: data_tag: D5
type_guessed: string

tool: D5: rb

assistant: ```c
int read_file_into_buffer(uint8_t *buffer, size_t bytes_to_read, const char *filename) {
  FILE *ptr;
  ptr = fopen(filename, "rb");
  if (NULL == ptr)
    return -1;
  size_t bytes_read = fread(buffer, 1, bytes_to_read, ptr);
  (void)fclose(ptr);
  return (int)bytes_read;
}
```
user: What is the c source code of the assembly code below?

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    $0x0,%eax
  call   <test6_freebsdcmpar@plt>
  mov    $0x0,%eax
  call   <getchar@plt>
  mov    $0x0,%eax
  pop    %rbp
  ret
```

assistant: ```c
int main() {
  test6_freebsdcmpar();
  getchar();
  return 0;
}
```
user: What is the c source code of the assembly code below:

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x0,%eax
  call   <test6_freebsdcmpar@plt>
  mov    $0x0,%eax
  call   <getchar@plt>
  mov    $0x0,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int main() {
  test6_freebsdcmpar();
  getchar();
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <test6_freebsdcmpar@plt>
  xor    %eax,%eax
  call   <getchar@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int main() {
  test6_freebsdcmpar();
  getchar();
  return 0;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <test6_freebsdcmpar@plt>
  xor    %eax,%eax
  call   <getchar@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int main() {
  test6_freebsdcmpar();
  getchar();
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    $0x0,%eax
  call   <myMapLines@plt>
  mov    $0x0,%eax
  pop    %rbp
  ret
```

assistant: ```c
int main(void) {
  myMapLines();
  return 0;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

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

assistant: ```c
int main(void) {
  myMapLines();
  return 0;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

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

assistant: ```c
int main(void) {
  myMapLines();
  return 0;
}
```
user: 这段汇编代码用C语言表示是什么样的:

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

assistant: ```c
int main(void) {
  myMapLines();
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<ILibSCTP_AddOptionalVariableParameter>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x38,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %esi,%eax
  mov    %rdx,-0x38(%rbp)
  mov    %ecx,-0x30(%rbp)
  mov    %ax,-0x2c(%rbp)
  mov    -0x28(%rbp),%rax
  movzwl -0x2c(%rbp),%edx
  mov    %dx,(%rax)
  mov    -0x30(%rbp),%eax
  add    $0x4,%eax
  movzwl %ax,%eax
  mov    -0x28(%rbp),%rdx
  lea    0x2(%rdx),%rbx
  mov    %eax,%edi
  call   <htons@plt>
  mov    %ax,(%rbx)
  cmpl   $0x0,-0x30(%rbp)
  jle    L5
  mov    -0x28(%rbp),%rax
  lea    0x4(%rax),%rcx
  mov    -0x30(%rbp),%edx
  mov    -0x38(%rbp),%rax
  mov    %rax,%rsi
  mov    %rcx,%rdi
  call   <memcpy@plt>
L5:
  addl   $0x4,-0x30(%rbp)
  mov    -0x30(%rbp),%edx
  mov    -0x28(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <ILibAlignOnFourByteBoundary@plt>
  mov    %eax,-0x14(%rbp)
  mov    -0x14(%rbp),%eax
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
int ILibSCTP_AddOptionalVariableParameter(char *insertionPoint, unsigned short parameterType, void *parameterData, int parameterDataLen) {
  int retValue;
  ((unsigned short *)insertionPoint)[0] = parameterType;
  ((unsigned short *)insertionPoint)[1] = htons((unsigned short)(4 + parameterDataLen));
  if (parameterDataLen > 0) {
    memcpy(insertionPoint + 4, parameterData, parameterDataLen);
  }
  parameterDataLen += 4;
  retValue = ILibAlignOnFourByteBoundary(insertionPoint, parameterDataLen);
  return (retValue);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<ILibSCTP_AddOptionalVariableParameter>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbp
  mov    %rdx,%r12
  mov    %ecx,%ebx
  mov    %si,(%rdi)
  lea    0x4(%rcx),%edi
  movzwl %di,%edi
  call   <htons@plt>
  mov    %ax,0x2(%rbp)
  test   %ebx,%ebx
  jg     L14
L9:
  lea    0x4(%rbx),%esi
  mov    %rbp,%rdi
  call   <ILibAlignOnFourByteBoundary@plt>
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L14:
  lea    0x4(%rbp),%rdi
  mov    %ebx,%edx
  mov    %r12,%rsi
  call   <memcpy@plt>
  jmp    L9
```

assistant: ```c
int ILibSCTP_AddOptionalVariableParameter(char *insertionPoint, unsigned short parameterType, void *parameterData, int parameterDataLen) {
  int retValue;
  ((unsigned short *)insertionPoint)[0] = parameterType;
  ((unsigned short *)insertionPoint)[1] = htons((unsigned short)(4 + parameterDataLen));
  if (parameterDataLen > 0) {
    memcpy(insertionPoint + 4, parameterData, parameterDataLen);
  }
  parameterDataLen += 4;
  retValue = ILibAlignOnFourByteBoundary(insertionPoint, parameterDataLen);
  return (retValue);
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<ILibSCTP_AddOptionalVariableParameter>:
  endbr64
  push   %r12
  mov    %rdx,%r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  mov    %ecx,%ebx
  mov    %si,(%rdi)
  lea    0x4(%rcx),%edi
  movzwl %di,%edi
  call   <htons@plt>
  mov    %ax,0x2(%rbp)
  test   %ebx,%ebx
  jle    L4
  lea    0x4(%rbp),%rdi
  mov    %ebx,%edx
  mov    %r12,%rsi
  call   <memcpy@plt>
L4:
  lea    0x4(%rbx),%esi
  mov    %rbp,%rdi
  pop    %rbx
  pop    %rbp
  pop    %r12
  jmp    1090 <ILibAlignOnFourByteBoundary@plt>
```

assistant: ```c
int ILibSCTP_AddOptionalVariableParameter(char *insertionPoint, unsigned short parameterType, void *parameterData, int parameterDataLen) {
  int retValue;
  ((unsigned short *)insertionPoint)[0] = parameterType;
  ((unsigned short *)insertionPoint)[1] = htons((unsigned short)(4 + parameterDataLen));
  if (parameterDataLen > 0) {
    memcpy(insertionPoint + 4, parameterData, parameterDataLen);
  }
  parameterDataLen += 4;
  retValue = ILibAlignOnFourByteBoundary(insertionPoint, parameterDataLen);
  return (retValue);
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<ILibSCTP_AddOptionalVariableParameter>:
  endbr64
  push   %r12
  mov    %rdx,%r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  mov    %ecx,%ebx
  mov    %si,(%rdi)
  lea    0x4(%rcx),%edi
  movzwl %di,%edi
  call   <htons@plt>
  mov    %ax,0x2(%rbp)
  test   %ebx,%ebx
  jle    L2
  lea    0x4(%rbp),%rdi
  mov    %ebx,%edx
  mov    %r12,%rsi
  call   <memcpy@plt>
L2:
  lea    0x4(%rbx),%esi
  mov    %rbp,%rdi
  pop    %rbx
  pop    %rbp
  pop    %r12
  jmp    1090 <ILibAlignOnFourByteBoundary@plt>
```

assistant: ```c
int ILibSCTP_AddOptionalVariableParameter(char *insertionPoint, unsigned short parameterType, void *parameterData, int parameterDataLen) {
  int retValue;
  ((unsigned short *)insertionPoint)[0] = parameterType;
  ((unsigned short *)insertionPoint)[1] = htons((unsigned short)(4 + parameterDataLen));
  if (parameterDataLen > 0) {
    memcpy(insertionPoint + 4, parameterData, parameterDataLen);
  }
  parameterDataLen += 4;
  retValue = ILibAlignOnFourByteBoundary(insertionPoint, parameterDataLen);
  return (retValue);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<smm_fstat>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    $0x0,%edi
  call   <smm_errno_update@plt>
  cmpq   $0x0,-0x18(%rbp)
  jne    L49
  mov    $0xffffffff,%eax
  jmp    L108
L49:
  lea    -0xc(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <lstat@plt>
  test   %rax,%rax
  jns    L104
  mov    $0xc0000008,%edi
  call   <smm_errno_update@plt>
  mov    $0xffffffff,%eax
  jmp    L108
L104:
  mov    -0xc(%rbp),%eax
  mov    %eax,%edi
  call   <S_ISREG@plt>
  test   %rax,%rax
  je     L4
  mov    $0x0,%eax
  jmp    L108
L4:
  mov    -0xc(%rbp),%eax
  mov    %eax,%edi
  call   <S_ISDIR@plt>
  test   %rax,%rax
  je     L18
  mov    $0x1,%eax
  jmp    L108
L18:
  mov    -0xc(%rbp),%eax
  mov    %eax,%edi
  call   <S_ISLNK@plt>
  test   %rax,%rax
  je     L69
  mov    $0x3,%eax
  jmp    L108
L69:
  mov    $0x2,%eax
L108:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L78
  call   <__stack_chk_fail@plt>
L78:
  leave
  ret
```

assistant: ```c
int smm_fstat(char *fname) {
  struct stat fs;
  smm_errno_update(0);
  if (fname == NULL) {
    return -1;
  }
  if (lstat(fname, &fs) < 0) {
    smm_errno_update((0xC0000000 | (8)));
    return -1;
  }
  if (S_ISREG(fs.st_mode)) {
    return 0;
  }
  if (S_ISDIR(fs.st_mode)) {
    return 1;
  }
  if (S_ISLNK(fs.st_mode)) {
    return 3;
  }
  return 2;
}
```
user: Translate the below assembly code into C programming language:

```asm
<smm_fstat>:
  endbr64
  push   %rbx
  sub    $0x10,%rsp
  mov    %rdi,%rbx
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  mov    $0x0,%edi
  call   <smm_errno_update@plt>
  test   %rbx,%rbx
  je     L6
  lea    0x4(%rsp),%rsi
  mov    %rbx,%rdi
  call   <lstat@plt>
  test   %rax,%rax
  js     L56
  mov    0x4(%rsp),%edi
  call   <S_ISREG@plt>
  mov    %rax,%rdx
  mov    $0x0,%eax
  test   %rdx,%rdx
  je     L74
L21:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L16
  add    $0x10,%rsp
  pop    %rbx
  ret
L56:
  mov    $0xc0000008,%edi
  call   <smm_errno_update@plt>
  mov    $0xffffffff,%eax
  jmp    L21
L74:
  mov    0x4(%rsp),%edi
  call   <S_ISDIR@plt>
  mov    %rax,%rdx
  mov    $0x1,%eax
  test   %rdx,%rdx
  jne    L21
  mov    0x4(%rsp),%edi
  call   <S_ISLNK@plt>
  cmp    $0x1,%rax
  mov    $0x2,%eax
  sbb    $0xffffffff,%eax
  jmp    L21
L6:
  mov    $0xffffffff,%eax
  jmp    L21
L16:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int smm_fstat(char *fname) {
  struct stat fs;
  smm_errno_update(0);
  if (fname == NULL) {
    return -1;
  }
  if (lstat(fname, &fs) < 0) {
    smm_errno_update((0xC0000000 | (8)));
    return -1;
  }
  if (S_ISREG(fs.st_mode)) {
    return 0;
  }
  if (S_ISDIR(fs.st_mode)) {
    return 1;
  }
  if (S_ISLNK(fs.st_mode)) {
    return 3;
  }
  return 2;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<smm_fstat>:
  endbr64
  push   %rbp
  mov    %rdi,%rbp
  xor    %edi,%edi
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  call   <smm_errno_update@plt>
  test   %rbp,%rbp
  je     L42
  lea    0x4(%rsp),%rsi
  mov    %rbp,%rdi
  call   <lstat@plt>
  test   %rax,%rax
  js     L13
  mov    0x4(%rsp),%edi
  call   <S_ISREG@plt>
  mov    %rax,%r8
  xor    %eax,%eax
  test   %r8,%r8
  je     L15
L59:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L57
  add    $0x10,%rsp
  pop    %rbp
  ret
  nopl   0x0(%rax,%rax,1)
L15:
  mov    0x4(%rsp),%edi
  call   <S_ISDIR@plt>
  mov    %rax,%r8
  mov    $0x1,%eax
  test   %r8,%r8
  jne    L59
  mov    0x4(%rsp),%edi
  call   <S_ISLNK@plt>
  cmp    $0x1,%rax
  mov    $0x2,%eax
  sbb    $0xffffffff,%eax
  jmp    L59
L42:
  mov    $0xffffffff,%eax
  jmp    L59
L13:
  mov    $0xc0000008,%edi
  call   <smm_errno_update@plt>
  mov    $0xffffffff,%eax
  jmp    L59
L57:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int smm_fstat(char *fname) {
  struct stat fs;
  smm_errno_update(0);
  if (fname == NULL) {
    return -1;
  }
  if (lstat(fname, &fs) < 0) {
    smm_errno_update((0xC0000000 | (8)));
    return -1;
  }
  if (S_ISREG(fs.st_mode)) {
    return 0;
  }
  if (S_ISDIR(fs.st_mode)) {
    return 1;
  }
  if (S_ISLNK(fs.st_mode)) {
    return 3;
  }
  return 2;
}
```