ylfeng/ReF-Decompile-dataset huggingface dataset:
user: Translate the below assembly code into C programming language:

```asm
<main>:
  endbr64
  push   %r13
  lea    D11(%rip),%rdi
  lea    D37(%rip),%r13
  push   %r12
  push   %rbp
  push   %rbx
  xor    %ebx,%ebx
  sub    $0x1b8,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x1a8(%rsp)
  xor    %eax,%eax
  lea    0x10(%rsp),%r12
  mov    %r12,%rbp
  call   <printf@plt>
  lea    0xc(%rsp),%rsi
  mov    %r13,%rdi
  call   <scanf@plt>
  mov    0xc(%rsp),%esi
  lea    D0(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    0xc(%rsp),%edx
  test   %edx,%edx
  jle    L49
  nopl   0x0(%rax,%rax,1)
L15:
  mov    %rbp,%rsi
  mov    %r13,%rdi
  add    $0x1,%ebx
  add    $0x4,%rbp
  call   <scanf@plt>
  mov    0xc(%rsp),%edx
  cmp    %ebx,%edx
  jg     L15
L49:
  sub    $0x1,%edx
  xor    %esi,%esi
  mov    %r12,%rdi
  call   <quicksort@plt>
  lea    D26(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    0xc(%rsp),%eax
  test   %eax,%eax
  jle    L46
  xor    %ebx,%ebx
  lea    D6(%rip),%rbp
  cs nopw 0x0(%rax,%rax,1)
L39:
  mov    (%r12,%rbx,4),%esi
  mov    %rbp,%rdi
  xor    %eax,%eax
  add    $0x1,%rbx
  call   <printf@plt>
  cmp    %ebx,0xc(%rsp)
  jg     L39
L46:
  mov    0x1a8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L41
  add    $0x1b8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L41:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: data_tag: D11
type_guessed: string
name: read_data
arguments: data_tag: D37
type_guessed: string
name: read_data
arguments: data_tag: D0
type_guessed: string
name: read_data
arguments: data_tag: D26
type_guessed: string
name: read_data
arguments: data_tag: D6
type_guessed: string

tool: D11: Enter size of the array: 

tool: D37: %d

tool: D0: Enter %d elements: 

tool: D26: Sorted elements: 

tool: D6:  %d

assistant: ```c
int main() {
  int size, i, X[100];
  printf("Enter size of the array: ");
  scanf("%d", &size);
  printf("Enter %d elements: ", size);
  for (i = 0; i < size; i++) {
    scanf("%d", &X[i]);
  }
  quicksort(X, 0, size - 1);
  printf("Sorted elements: ");
  for (i = 0; i < size; i++) {
    printf(" %d", X[i]);
  }
  return 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<main>:
  endbr64
  push   %r13
  lea    D18(%rip),%rdi
  lea    D29(%rip),%r13
  push   %r12
  push   %rbp
  push   %rbx
  xor    %ebx,%ebx
  sub    $0x1b8,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x1a8(%rsp)
  xor    %eax,%eax
  lea    0x10(%rsp),%r12
  mov    %r12,%rbp
  call   <printf@plt>
  lea    0xc(%rsp),%rsi
  mov    %r13,%rdi
  call   <scanf@plt>
  mov    0xc(%rsp),%esi
  lea    D13(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    0xc(%rsp),%edx
  test   %edx,%edx
  jle    L40
  nopl   0x0(%rax,%rax,1)
L41:
  mov    %rbp,%rsi
  mov    %r13,%rdi
  add    $0x1,%ebx
  add    $0x4,%rbp
  call   <scanf@plt>
  mov    0xc(%rsp),%edx
  cmp    %ebx,%edx
  jg     L41
L40:
  sub    $0x1,%edx
  xor    %esi,%esi
  mov    %r12,%rdi
  call   <quicksort@plt>
  lea    D39(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    0xc(%rsp),%eax
  test   %eax,%eax
  jle    L38
  xor    %ebx,%ebx
  lea    D40(%rip),%rbp
  cs nopw 0x0(%rax,%rax,1)
L18:
  mov    (%r12,%rbx,4),%esi
  mov    %rbp,%rdi
  xor    %eax,%eax
  add    $0x1,%rbx
  call   <printf@plt>
  cmp    %ebx,0xc(%rsp)
  jg     L18
L38:
  mov    0x1a8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L37
  add    $0x1b8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L37:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: tag: D18
type_guessed: string
name: retrieve_data
arguments: tag: D29
type_guessed: string
name: retrieve_data
arguments: tag: D13
type_guessed: string
name: retrieve_data
arguments: tag: D39
type_guessed: string
name: retrieve_data
arguments: tag: D40
type_guessed: string

tool: D18: Enter size of the array: 

tool: D29: %d

tool: D13: Enter %d elements: 

tool: D39: Sorted elements: 

tool: D40:  %d

assistant: ```c
int main() {
  int size, i, X[100];
  printf("Enter size of the array: ");
  scanf("%d", &size);
  printf("Enter %d elements: ", size);
  for (i = 0; i < size; i++) {
    scanf("%d", &X[i]);
  }
  quicksort(X, 0, size - 1);
  printf("Sorted elements: ");
  for (i = 0; i < size; i++) {
    printf(" %d", X[i]);
  }
  return 0;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<get_persistent_storage>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x820,%rsp
  mov    %rdi,-0x818(%rbp)
  mov    %rsi,-0x820(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0x810(%rbp),%rax
  mov    %rax,%rdi
  call   <get_storage_path@plt>
  mov    -0x818(%rbp),%rcx
  lea    -0x810(%rbp),%rdx
  lea    -0x410(%rbp),%rax
  mov    %rcx,%r8
  mov    %rdx,%rcx
  lea    D0(%rip),%rdx
  mov    $0x400,%esi
  mov    %rax,%rdi
  call   <snprintf@plt>
  cmp    $0x3ff,%eax
  jle    L8
  movb   $0x0,-0x11(%rbp)
L8:
  mov    -0x820(%rbp),%rdx
  lea    -0x410(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <fopen@plt>
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L18
  call   <__stack_chk_fail@plt>
L18:
  leave
  ret
```

tool_calls: name: unpack_data
arguments: data_label: D0
datatype: string

tool: D0: %s_%s

assistant: ```c
FILE *get_persistent_storage(const char *tag, const char *mode) {
  char buf[1024];
  char path[1024];
  get_storage_path(buf);
  if (snprintf(path, 1024, "%s_%s", buf, tag) >= 1024)
    path[1024 - 1] = '\0';
  return fopen(path, mode);
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<get_persistent_storage>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x810,%rsp
  mov    %rdi,%rbp
  mov    %rsi,%rbx
  mov    %fs:0x28,%rax
  mov    %rax,0x808(%rsp)
  xor    %eax,%eax
  mov    %rsp,%r12
  mov    %r12,%rdi
  call   <get_storage_path@plt>
  lea    0x400(%rsp),%rdi
  mov    %rbp,%r8
  mov    %r12,%rcx
  lea    D5(%rip),%rdx
  mov    $0x400,%esi
  call   <snprintf@plt>
  cmp    $0x3ff,%eax
  jle    L19
  movb   $0x0,0x7ff(%rsp)
L19:
  lea    0x400(%rsp),%rdi
  mov    %rbx,%rsi
  call   <fopen@plt>
  mov    0x808(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L15
  add    $0x810,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L15:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: data_label: D5
data_type: string

tool: D5: %s_%s

assistant: ```c
FILE *get_persistent_storage(const char *tag, const char *mode) {
  char buf[1024];
  char path[1024];
  get_storage_path(buf);
  if (snprintf(path, 1024, "%s_%s", buf, tag) >= 1024)
    path[1024 - 1] = '\0';
  return fopen(path, mode);
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<get_persistent_storage>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x818,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x808(%rsp)
  xor    %eax,%eax
  mov    %rsp,%r13
  lea    0x400(%rsp),%r12
  mov    %r13,%rdi
  call   <get_storage_path@plt>
  mov    %rbx,%r8
  mov    %r13,%rcx
  mov    $0x400,%esi
  lea    D2(%rip),%rdx
  mov    %r12,%rdi
  call   <snprintf@plt>
  cmp    $0x3ff,%eax
  jle    L13
  movb   $0x0,0x7ff(%rsp)
L13:
  mov    %rbp,%rsi
  mov    %r12,%rdi
  call   <fopen@plt>
  mov    0x808(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L8
  add    $0x818,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L8:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: data_label: D2
datatype: string

tool: D2: %s_%s

assistant: ```c
FILE *get_persistent_storage(const char *tag, const char *mode) {
  char buf[1024];
  char path[1024];
  get_storage_path(buf);
  if (snprintf(path, 1024, "%s_%s", buf, tag) >= 1024)
    path[1024 - 1] = '\0';
  return fopen(path, mode);
}
```
user: Translate the below assembly code into C programming language:

```asm
<get_persistent_storage>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x818,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x808(%rsp)
  xor    %eax,%eax
  mov    %rsp,%r13
  lea    0x400(%rsp),%r12
  mov    %r13,%rdi
  call   <get_storage_path@plt>
  mov    %rbx,%r8
  mov    %r13,%rcx
  mov    $0x400,%esi
  lea    D2(%rip),%rdx
  mov    %r12,%rdi
  call   <snprintf@plt>
  cmp    $0x3ff,%eax
  jle    L0
  movb   $0x0,0x7ff(%rsp)
L0:
  mov    %rbp,%rsi
  mov    %r12,%rdi
  call   <fopen@plt>
  mov    0x808(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L1
  add    $0x818,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L1:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: data_tag: D2
datatype: string

tool: D2: %s_%s

assistant: ```c
FILE *get_persistent_storage(const char *tag, const char *mode) {
  char buf[1024];
  char path[1024];
  get_storage_path(buf);
  if (snprintf(path, 1024, "%s_%s", buf, tag) >= 1024)
    path[1024 - 1] = '\0';
  return fopen(path, mode);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<removeElement>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    %edx,-0x20(%rbp)
  mov    -0x1c(%rbp),%eax
  mov    %eax,-0xc(%rbp)
  mov    -0xc(%rbp),%eax
  cltq
  shl    $0x2,%rax
  lea    -0x4(%rax),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x8(%rbp)
  jmp    L29
L35:
  mov    -0x8(%rbp),%rax
  mov    (%rax),%eax
  cmp    %eax,-0x20(%rbp)
  jne    L26
  subl   $0x1,-0xc(%rbp)
  subq   $0x4,-0x8(%rbp)
  jmp    L29
L26:
  mov    -0x18(%rbp),%rax
  mov    (%rax),%eax
  cmp    %eax,-0x20(%rbp)
  jne    L25
  mov    -0x8(%rbp),%rax
  mov    (%rax),%edx
  mov    -0x18(%rbp),%rax
  mov    %edx,(%rax)
  subq   $0x4,-0x8(%rbp)
  subl   $0x1,-0xc(%rbp)
L25:
  addq   $0x4,-0x18(%rbp)
L29:
  mov    -0x8(%rbp),%rax
  cmp    -0x18(%rbp),%rax
  jae    L35
  mov    -0xc(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
int removeElement(int *nums, int numsSize, int val) {
  int retSize = numsSize;
  int *end = nums + retSize - 1;
  while (end >= nums) {
    if (*end == val) {
      retSize--;
      end--;
      continue;
    }
    if (*nums == val) {
      *nums = *end;
      end--;
      retSize--;
    }
    nums++;
  }
  return retSize;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<removeElement>:
  endbr64
  mov    %esi,%eax
  movslq %esi,%rcx
  lea    -0x4(%rdi,%rcx,4),%rcx
  cmp    %rcx,%rdi
  jbe    L7
L2:
  ret
L24:
  sub    $0x1,%eax
  sub    $0x4,%rcx
  jmp    L27
L58:
  add    $0x4,%rdi
L27:
  cmp    %rcx,%rdi
  ja     L2
L7:
  mov    (%rcx),%r8d
  cmp    %edx,%r8d
  je     L24
  cmp    %edx,(%rdi)
  jne    L58
  mov    %r8d,(%rdi)
  sub    $0x4,%rcx
  sub    $0x1,%eax
  jmp    L58
```

assistant: ```c
int removeElement(int *nums, int numsSize, int val) {
  int retSize = numsSize;
  int *end = nums + retSize - 1;
  while (end >= nums) {
    if (*end == val) {
      retSize--;
      end--;
      continue;
    }
    if (*nums == val) {
      *nums = *end;
      end--;
      retSize--;
    }
    nums++;
  }
  return retSize;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<removeElement>:
  endbr64
  movslq %esi,%rcx
  mov    %rcx,%rax
  lea    -0x4(%rdi,%rcx,4),%rcx
  cmp    %rcx,%rdi
  jbe    L46
  jmp    L53
  cs nopw 0x0(%rax,%rax,1)
L57:
  cmp    %edx,(%rdi)
  jne    L19
  mov    %r8d,(%rdi)
  sub    $0x4,%rcx
  sub    $0x1,%eax
L19:
  add    $0x4,%rdi
  cmp    %rdi,%rcx
  jb     L53
L46:
  mov    (%rcx),%r8d
  cmp    %edx,%r8d
  jne    L57
  sub    $0x4,%rcx
  sub    $0x1,%eax
  cmp    %rdi,%rcx
  jae    L46
L53:
  ret
```

assistant: ```c
int removeElement(int *nums, int numsSize, int val) {
  int retSize = numsSize;
  int *end = nums + retSize - 1;
  while (end >= nums) {
    if (*end == val) {
      retSize--;
      end--;
      continue;
    }
    if (*nums == val) {
      *nums = *end;
      end--;
      retSize--;
    }
    nums++;
  }
  return retSize;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<removeElement>:
  endbr64
  movslq %esi,%rcx
  mov    %rcx,%rax
  lea    -0x4(%rdi,%rcx,4),%rcx
  cmp    %rcx,%rdi
  jbe    L3
  jmp    L43
  cs nopw 0x0(%rax,%rax,1)
L34:
  cmp    %edx,(%rdi)
  jne    L13
  mov    %r8d,(%rdi)
  sub    $0x4,%rcx
  sub    $0x1,%eax
L13:
  add    $0x4,%rdi
  cmp    %rdi,%rcx
  jb     L43
L3:
  mov    (%rcx),%r8d
  cmp    %edx,%r8d
  jne    L34
  sub    $0x4,%rcx
  sub    $0x1,%eax
  cmp    %rdi,%rcx
  jae    L3
L43:
  ret
```

assistant: ```c
int removeElement(int *nums, int numsSize, int val) {
  int retSize = numsSize;
  int *end = nums + retSize - 1;
  while (end >= nums) {
    if (*end == val) {
      retSize--;
      end--;
      continue;
    }
    if (*nums == val) {
      *nums = *end;
      end--;
      retSize--;
    }
    nums++;
  }
  return retSize;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<pdf_buf_pack_4>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  movq   $0x0,-0x8(%rbp)
  movq   $0x0,-0x10(%rbp)
  jmp    L5
L3:
  mov    -0x10(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x10(%rbp)
  lea    0x0(,%rax,4),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%edx
  mov    -0x8(%rbp),%rax
  lea    0x0(,%rax,4),%rcx
  mov    -0x20(%rbp),%rax
  add    %rcx,%rax
  shl    $0x4,%edx
  mov    %edx,(%rax)
  mov    -0x10(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x10(%rbp)
  lea    0x0(,%rax,4),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%ecx
  mov    -0x8(%rbp),%rax
  lea    0x0(,%rax,4),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%edx
  mov    -0x8(%rbp),%rax
  lea    0x0(,%rax,4),%rsi
  mov    -0x20(%rbp),%rax
  add    %rsi,%rax
  add    %ecx,%edx
  mov    %edx,(%rax)
  addq   $0x1,-0x8(%rbp)
L5:
  mov    -0x10(%rbp),%rax
  cmp    -0x28(%rbp),%rax
  jb     L3
  nop
  nop
  pop    %rbp
  ret
```

assistant: ```c
extern void pdf_buf_pack_4(uint8_t *in, uint8_t *out, size_t in_len) {
  size_t i;
  size_t j = 0;
  for (i = 0; i < in_len; j++) {
    out[j] = in[i++] << 4;
    out[j] += in[i++];
  }
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<pdf_buf_pack_4>:
  endbr64
  test   %rdx,%rdx
  je     L16
  mov    $0x0,%eax
L1:
  mov    (%rdi,%rax,4),%ecx
  shl    $0x4,%ecx
  mov    %ecx,(%rsi,%rax,2)
  add    $0x2,%rax
  add    -0x4(%rdi,%rax,4),%ecx
  mov    %ecx,-0x4(%rsi,%rax,2)
  cmp    %rax,%rdx
  ja     L1
L16:
  ret
```

assistant: ```c
extern void pdf_buf_pack_4(uint8_t *in, uint8_t *out, size_t in_len) {
  size_t i;
  size_t j = 0;
  for (i = 0; i < in_len; j++) {
    out[j] = in[i++] << 4;
    out[j] += in[i++];
  }
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<pdf_buf_pack_4>:
  endbr64
  test   %rdx,%rdx
  je     L7
  xor    %eax,%eax
  nopl   0x0(%rax,%rax,1)
L12:
  mov    (%rdi,%rax,4),%ecx
  shl    $0x4,%ecx
  mov    %ecx,(%rsi,%rax,2)
  add    $0x2,%rax
  add    -0x4(%rdi,%rax,4),%ecx
  mov    %ecx,-0x4(%rsi,%rax,2)
  cmp    %rax,%rdx
  ja     L12
L7:
  ret
```

assistant: ```c
extern void pdf_buf_pack_4(uint8_t *in, uint8_t *out, size_t in_len) {
  size_t i;
  size_t j = 0;
  for (i = 0; i < in_len; j++) {
    out[j] = in[i++] << 4;
    out[j] += in[i++];
  }
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<pdf_buf_pack_4>:
  endbr64
  mov    %rdi,%rcx
  test   %rdx,%rdx
  je     L49
  lea    -0x1(%rdx),%rax
  mov    %rax,%r9
  shr    %r9
  lea    0x1(%r9),%r8
  lea    (%rsi,%r8,4),%rdi
  lea    (%rcx,%r8,8),%r10
  cmp    %rdi,%rcx
  setae  %dil
  cmp    %r10,%rsi
  setae  %r10b
  or     %r10b,%dil
  je     L84
  cmp    $0x1,%rax
  jbe    L84
  cmp    $0x5,%rax
  jbe    L71
  mov    %r8,%rdx
  xor    %eax,%eax
  shr    $0x2,%rdx
  shl    $0x4,%rdx
  xchg   %ax,%ax
L58:
  movdqu (%rcx,%rax,2),%xmm1
  movdqu 0x10(%rcx,%rax,2),%xmm3
  movdqa %xmm1,%xmm0
  shufps $0xdd,%xmm3,%xmm1
  shufps $0x88,%xmm3,%xmm0
  pslld  $0x4,%xmm0
  paddd  %xmm1,%xmm0
  movups %xmm0,(%rsi,%rax,1)
  add    $0x10,%rax
  cmp    %rdx,%rax
  jne    L58
  mov    %r8,%rax
  and    $0xfffffffffffffffc,%rax
  lea    (%rax,%rax,1),%rdi
  cmp    %rax,%r8
  je     L19
L66:
  sub    %rax,%r8
  cmp    %rax,%r9
  je     L88
  lea    (%rcx,%rax,8),%rdx
  movq   (%rdx),%xmm1
  movq   0x8(%rdx),%xmm2
  mov    %r8,%rdx
  and    $0xfffffffffffffffe,%rdx
  movdqa %xmm1,%xmm0
  punpckldq %xmm2,%xmm1
  lea    (%rdi,%rdx,2),%rdi
  punpckldq %xmm2,%xmm0
  pshufd $0xe,%xmm1,%xmm1
  pslld  $0x4,%xmm0
  paddd  %xmm1,%xmm0
  movq   %xmm0,(%rsi,%rax,4)
  add    %rdx,%rax
  cmp    %rdx,%r8
  je     L49
L88:
  lea    (%rsi,%rax,4),%rdx
  mov    (%rcx,%rdi,4),%eax
  shl    $0x4,%eax
  mov    %eax,(%rdx)
  add    0x4(%rcx,%rdi,4),%eax
  mov    %eax,(%rdx)
  ret
  nopl   0x0(%rax,%rax,1)
L84:
  xor    %eax,%eax
  nopw   0x0(%rax,%rax,1)
L39:
  mov    (%rcx,%rax,4),%edi
  shl    $0x4,%edi
  mov    %edi,(%rsi,%rax,2)
  add    $0x2,%rax
  add    -0x4(%rcx,%rax,4),%edi
  mov    %edi,-0x4(%rsi,%rax,2)
  cmp    %rax,%rdx
  ja     L39
L49:
  ret
  nopl   0x0(%rax,%rax,1)
L19:
  ret
L71:
  xor    %eax,%eax
  xor    %edi,%edi
  jmp    L66
```

assistant: ```c
extern void pdf_buf_pack_4(uint8_t *in, uint8_t *out, size_t in_len) {
  size_t i;
  size_t j = 0;
  for (i = 0; i < in_len; j++) {
    out[j] = in[i++] << 4;
    out[j] += in[i++];
  }
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<_numDecodings>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x30,%al
  jne    L156
  mov    $0xffffffff,%eax
  jmp    L114
L156:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L29
  mov    $0x0,%eax
  jmp    L114
L29:
  mov    -0x18(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L192
  mov    $0x1,%eax
  jmp    L114
L192:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x31,%al
  jne    L175
  mov    -0x18(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  cmp    $0x30,%al
  jne    L209
  mov    -0x18(%rbp),%rax
  add    $0x2,%rax
  mov    %rax,%rdi
  call   <_numDecodings>
  mov    %eax,-0x4(%rbp)
  cmpl   $0x0,-0x4(%rbp)
  je     L103
  mov    -0x4(%rbp),%eax
  jmp    L114
L103:
  mov    $0x1,%eax
  jmp    L114
L209:
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <helper@plt>
  jmp    L114
L175:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x32,%al
  jne    L81
  mov    -0x18(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  cmp    $0x30,%al
  jle    L3
  mov    -0x18(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  cmp    $0x36,%al
  jg     L3
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <helper@plt>
  jmp    L114
L3:
  mov    -0x18(%rbp),%rax
  add    $0x2,%rax
  mov    %rax,%rdi
  call   <_numDecodings>
  mov    %eax,-0x8(%rbp)
  cmpl   $0x0,-0x8(%rbp)
  je     L6
  mov    -0x8(%rbp),%eax
  jmp    L114
L6:
  mov    $0x1,%eax
  jmp    L114
L81:
  mov    -0x18(%rbp),%rax
  add    $0x1,%rax
  mov    %rax,%rdi
  call   <_numDecodings>
  mov    %eax,-0xc(%rbp)
  cmpl   $0x0,-0xc(%rbp)
  je     L10
  mov    -0xc(%rbp),%eax
  jmp    L114
L10:
  mov    $0x1,%eax
L114:
  leave
  ret
```

assistant: ```c
int _numDecodings(char *s) {
  if (*s == '0')
    return -1;
  if (*s == '\0')
    return 0;
  if (*(s + 1) == '\0')
    return 1;
  if (*s == '1') {
    if (*(s + 1) == '0') {
      int x = _numDecodings(s + 2);
      return x == 0 ? 1 : x;
    }
    return helper(s);
  }
  if (*s == '2') {
    if (*(s + 1) > '0' && *(s + 1) <= '6')
      return helper(s);
    int a = _numDecodings(s + 2);
    return a == 0 ? 1 : a;
  }
  int a = _numDecodings(s + 1);
  return a == 0 ? 1 : a;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<_numDecodings>:
  endbr64
  movzbl (%rdi),%edx
  cmp    $0x30,%dl
  je     L108
  mov    $0x0,%eax
  test   %dl,%dl
  je     L36
  movzbl 0x1(%rdi),%ecx
  mov    $0x1,%eax
  test   %cl,%cl
  je     L36
  sub    $0x8,%rsp
  cmp    $0x31,%dl
  je     L13
  cmp    $0x32,%dl
  jne    L34
  sub    $0x31,%ecx
  cmp    $0x5,%cl
  ja     L64
  call   <helper@plt>
  jmp    L82
L13:
  cmp    $0x30,%cl
  je     L75
  call   <helper@plt>
  jmp    L82
L75:
  add    $0x2,%rdi
  call   <_numDecodings>
  test   %eax,%eax
  mov    $0x1,%edx
  cmove  %edx,%eax
  jmp    L82
L64:
  add    $0x2,%rdi
  call   <_numDecodings>
  test   %eax,%eax
  mov    $0x1,%edx
  cmove  %edx,%eax
  jmp    L82
L34:
  add    $0x1,%rdi
  call   <_numDecodings>
  test   %eax,%eax
  mov    $0x1,%edx
  cmove  %edx,%eax
L82:
  add    $0x8,%rsp
  ret
L108:
  mov    $0xffffffff,%eax
  ret
L36:
  ret
```

assistant: ```c
int _numDecodings(char *s) {
  if (*s == '0')
    return -1;
  if (*s == '\0')
    return 0;
  if (*(s + 1) == '\0')
    return 1;
  if (*s == '1') {
    if (*(s + 1) == '0') {
      int x = _numDecodings(s + 2);
      return x == 0 ? 1 : x;
    }
    return helper(s);
  }
  if (*s == '2') {
    if (*(s + 1) > '0' && *(s + 1) <= '6')
      return helper(s);
    int a = _numDecodings(s + 2);
    return a == 0 ? 1 : a;
  }
  int a = _numDecodings(s + 1);
  return a == 0 ? 1 : a;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<_numDecodings>:
  endbr64
  movzbl (%rdi),%eax
  cmp    $0x30,%al
  je     L82
  test   %al,%al
  je     L4
  movzbl 0x1(%rdi),%edx
  test   %dl,%dl
  je     L94
  sub    $0x8,%rsp
  cmp    $0x31,%al
  je     L26
  cmp    $0x32,%al
  jne    L65
  sub    $0x31,%edx
  cmp    $0x5,%dl
  jbe    L24
L2:
  add    $0x2,%rdi
  call   <_numDecodings>
  test   %eax,%eax
  jne    L44
L86:
  mov    $0x1,%eax
L44:
  add    $0x8,%rsp
  ret
  nopw   0x0(%rax,%rax,1)
L4:
  xor    %eax,%eax
  ret
  nopl   0x0(%rax,%rax,1)
L94:
  mov    $0x1,%eax
  ret
  cs nopw 0x0(%rax,%rax,1)
L65:
  add    $0x1,%rdi
  call   <_numDecodings>
  test   %eax,%eax
  je     L86
  jmp    L44
  nop
L26:
  cmp    $0x30,%dl
  je     L2
L24:
  add    $0x8,%rsp
  jmp    1050 <helper@plt>
L82:
  mov    $0xffffffff,%eax
  ret
```

assistant: ```c
int _numDecodings(char *s) {
  if (*s == '0')
    return -1;
  if (*s == '\0')
    return 0;
  if (*(s + 1) == '\0')
    return 1;
  if (*s == '1') {
    if (*(s + 1) == '0') {
      int x = _numDecodings(s + 2);
      return x == 0 ? 1 : x;
    }
    return helper(s);
  }
  if (*s == '2') {
    if (*(s + 1) > '0' && *(s + 1) <= '6')
      return helper(s);
    int a = _numDecodings(s + 2);
    return a == 0 ? 1 : a;
  }
  int a = _numDecodings(s + 1);
  return a == 0 ? 1 : a;
}
```
user: Translate the below assembly code into C programming language:

```asm
<_numDecodings>:
  endbr64
  movzbl (%rdi),%eax
  cmp    $0x30,%al
  je     L79
  test   %al,%al
  je     L32
  movzbl 0x1(%rdi),%edx
  test   %dl,%dl
  je     L61
  sub    $0x8,%rsp
  cmp    $0x31,%al
  je     L25
  cmp    $0x32,%al
  jne    L13
  sub    $0x31,%edx
  cmp    $0x5,%dl
  jbe    L53
L67:
  add    $0x2,%rdi
  call   <_numDecodings>
  test   %eax,%eax
  jne    L86
L87:
  mov    $0x1,%eax
L86:
  add    $0x8,%rsp
  ret
  nopw   0x0(%rax,%rax,1)
L32:
  xor    %eax,%eax
  ret
  nopl   0x0(%rax,%rax,1)
L61:
  mov    $0x1,%eax
  ret
  cs nopw 0x0(%rax,%rax,1)
L13:
  add    $0x1,%rdi
  call   <_numDecodings>
  test   %eax,%eax
  je     L87
  jmp    L86
  nop
L25:
  cmp    $0x30,%dl
  je     L67
L53:
  add    $0x8,%rsp
  jmp    1050 <helper@plt>
L79:
  mov    $0xffffffff,%eax
  ret
```

assistant: ```c
int _numDecodings(char *s) {
  if (*s == '0')
    return -1;
  if (*s == '\0')
    return 0;
  if (*(s + 1) == '\0')
    return 1;
  if (*s == '1') {
    if (*(s + 1) == '0') {
      int x = _numDecodings(s + 2);
      return x == 0 ? 1 : x;
    }
    return helper(s);
  }
  if (*s == '2') {
    if (*(s + 1) > '0' && *(s + 1) <= '6')
      return helper(s);
    int a = _numDecodings(s + 2);
    return a == 0 ? 1 : a;
  }
  int a = _numDecodings(s + 1);
  return a == 0 ? 1 : a;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<board_init>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    $0x0,%eax
  call   <power_init@plt>
  mov    $0x0,%eax
  call   <flash_init@plt>
  nop
  pop    %rbp
  ret
```

assistant: ```c
void board_init() {
  power_init();
  flash_init();
}
```
user: What is the c source code of the assembly code below:

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

assistant: ```c
void board_init() {
  power_init();
  flash_init();
}
```