ylfeng/ReF-Decompile-dataset huggingface dataset:
user: Converte this assembly snippet into its equivalent C code:

```asm
<main>:
  endbr64
  push   %rbp
  lea    D52(%rip),%rdi
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x7(%rsp),%rbp
  movb   $0x0,0x7(%rsp)
  call   <printf@plt>
  mov    %rbp,%rsi
  lea    D84(%rip),%rdi
  call   <scanf@plt>
  movsbl 0x7(%rsp),%esi
  lea    D86(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  movsbl 0x7(%rsp),%esi
  lea    D49(%rip),%rdi
  xor    %eax,%eax
  add    $0x1,%esi
  call   <printf@plt>
  lea    D82(%rip),%rdi
  call   <puts@plt>
  movsbl 0x7(%rsp),%edi
  lea    -0x41(%rdi),%eax
  cmp    $0x19,%al
  jbe    L18
  lea    -0x61(%rdi),%eax
  cmp    $0x19,%al
  jbe    L48
  lea    D9(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
L34:
  lea    D0(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  lea    D33(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  movsbl 0x7(%rsp),%esi
  xor    %eax,%eax
  lea    D45(%rip),%rdi
  call   <printf@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L1
  add    $0x10,%rsp
  xor    %eax,%eax
  pop    %rbp
  ret
L48:
  call   <makeUpperCase@plt>
  mov    %al,0x7(%rsp)
  jmp    L34
L18:
  mov    %rbp,%rdi
  call   <makeLowerCase@plt>
  jmp    L34
L1:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: label: D52
data_type: string
name: unpack_data
arguments: label: D84
data_type: string
name: unpack_data
arguments: label: D86
data_type: string
name: unpack_data
arguments: label: D49
data_type: string
name: unpack_data
arguments: label: D82
data_type: string
name: unpack_data
arguments: label: D9
data_type: string
name: unpack_data
arguments: label: D0
data_type: string
name: unpack_data
arguments: label: D33
data_type: string
name: unpack_data
arguments: label: D45
data_type: string

tool: D52: 
Enter Single Character: 

tool: D84: %c

tool: D86: 
You entered character: %c

tool: D49: 
Character + 1 = %c

tool: D82: 

Generating upper or lower case version....

tool: D9: 
Unable to make character  Please try again.

tool: D0: 
Upper-to-Lower Case Conversation used a pointer.

tool: D33: 
Lower-to-Upper Case Conversation used a returned value.

tool: D45: 
Returned character value of function (should the altered version): %c


assistant: ```c
int main() {
  char stephenCharacter = '\0';
  printf("\nEnter Single Character: ");
  scanf("%c", &stephenCharacter);
  printf("\nYou entered character: %c", stephenCharacter);
  printf("\nCharacter + 1 = %c", stephenCharacter + 1);
  printf("\n\nGenerating upper or lower case version....\n");
  if (stephenCharacter >= 65 && stephenCharacter <= 90)
    makeLowerCase(&stephenCharacter);
  else if (stephenCharacter >= 97 && stephenCharacter <= 122)
    stephenCharacter = makeUpperCase(stephenCharacter);
  else
    printf("\nUnable to make character  Please try again.");
  printf("\nUpper-to-Lower Case Conversation used a pointer.");
  printf("\nLower-to-Upper Case Conversation used a returned value.");
  printf("\nReturned character value of function (should the altered version): %c\n", stephenCharacter);
  return 0;
}
```
user: What is the c source code of the assembly code below?

```asm
<main>:
  endbr64
  push   %rbp
  lea    D38(%rip),%rdi
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x7(%rsp),%rbp
  movb   $0x0,0x7(%rsp)
  call   <printf@plt>
  mov    %rbp,%rsi
  lea    D33(%rip),%rdi
  call   <scanf@plt>
  movsbl 0x7(%rsp),%esi
  lea    D49(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  movsbl 0x7(%rsp),%esi
  lea    D35(%rip),%rdi
  xor    %eax,%eax
  add    $0x1,%esi
  call   <printf@plt>
  lea    D4(%rip),%rdi
  call   <puts@plt>
  movsbl 0x7(%rsp),%edi
  lea    -0x41(%rdi),%eax
  cmp    $0x19,%al
  jbe    L26
  lea    -0x61(%rdi),%eax
  cmp    $0x19,%al
  jbe    L9
  lea    D75(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
L42:
  lea    D58(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  lea    D77(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  movsbl 0x7(%rsp),%esi
  xor    %eax,%eax
  lea    D87(%rip),%rdi
  call   <printf@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L20
  add    $0x10,%rsp
  xor    %eax,%eax
  pop    %rbp
  ret
L9:
  call   <makeUpperCase@plt>
  mov    %al,0x7(%rsp)
  jmp    L42
L26:
  mov    %rbp,%rdi
  call   <makeLowerCase@plt>
  jmp    L42
L20:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: label: D38
datatype: string
name: read_data
arguments: label: D33
datatype: string
name: read_data
arguments: label: D49
datatype: string
name: read_data
arguments: label: D35
datatype: string
name: read_data
arguments: label: D4
datatype: string
name: read_data
arguments: label: D75
datatype: string
name: read_data
arguments: label: D58
datatype: string
name: read_data
arguments: label: D77
datatype: string
name: read_data
arguments: label: D87
datatype: string

tool: D38: 
Enter Single Character: 

tool: D33: %c

tool: D49: 
You entered character: %c

tool: D35: 
Character + 1 = %c

tool: D4: 

Generating upper or lower case version....

tool: D75: 
Unable to make character  Please try again.

tool: D58: 
Upper-to-Lower Case Conversation used a pointer.

tool: D77: 
Lower-to-Upper Case Conversation used a returned value.

tool: D87: 
Returned character value of function (should the altered version): %c


assistant: ```c
int main() {
  char stephenCharacter = '\0';
  printf("\nEnter Single Character: ");
  scanf("%c", &stephenCharacter);
  printf("\nYou entered character: %c", stephenCharacter);
  printf("\nCharacter + 1 = %c", stephenCharacter + 1);
  printf("\n\nGenerating upper or lower case version....\n");
  if (stephenCharacter >= 65 && stephenCharacter <= 90)
    makeLowerCase(&stephenCharacter);
  else if (stephenCharacter >= 97 && stephenCharacter <= 122)
    stephenCharacter = makeUpperCase(stephenCharacter);
  else
    printf("\nUnable to make character  Please try again.");
  printf("\nUpper-to-Lower Case Conversation used a pointer.");
  printf("\nLower-to-Upper Case Conversation used a returned value.");
  printf("\nReturned character value of function (should the altered version): %c\n", stephenCharacter);
  return 0;
}
```
user: Translate the below assembly code into C programming language:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,-0x14(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    -0x14(%rbp),%eax
  mov    %eax,%esi
  lea    D18(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  movl   $0x0,-0x4(%rbp)
  jmp    L14
L12:
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x4(%rbp),%eax
  mov    %eax,%esi
  lea    D19(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  addl   $0x1,-0x4(%rbp)
L14:
  mov    -0x4(%rbp),%eax
  cmp    -0x14(%rbp),%eax
  jl     L12
  mov    $0x0,%eax
  leave
  ret
```

tool_calls: name: unpack_data
arguments: data_label: D18
type: string
name: unpack_data
arguments: data_label: D19
type: string

tool: D18: %d arguments


tool: D19: arg %d: %s


assistant: ```c
int main(int argc, char **argv) {
  int i;
  printf("%d arguments\n", argc);
  for (i = 0; i < argc; i++)
    printf("arg %d: %s\n", i, argv[i]);
  return 0;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<main>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %edi,%ebp
  mov    %rsi,%r12
  mov    %edi,%esi
  lea    D7(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  test   %ebp,%ebp
  jle    L8
  mov    %ebp,%ebp
  mov    $0x0,%ebx
  lea    D9(%rip),%r13
L10:
  mov    (%r12,%rbx,8),%rdx
  mov    %ebx,%esi
  mov    %r13,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  add    $0x1,%rbx
  cmp    %rbp,%rbx
  jne    L10
L8:
  mov    $0x0,%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

tool_calls: name: parse_data
arguments: label: D7
type_guessed: string
name: parse_data
arguments: label: D9
type_guessed: string

tool: D7: %d arguments


tool: D9: arg %d: %s


assistant: ```c
int main(int argc, char **argv) {
  int i;
  printf("%d arguments\n", argc);
  for (i = 0; i < argc; i++)
    printf("arg %d: %s\n", i, argv[i]);
  return 0;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<main>:
  endbr64
  push   %r13
  xor    %eax,%eax
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  movslq %edi,%rbp
  lea    D18(%rip),%rdi
  push   %rbx
  mov    %ebp,%esi
  sub    $0x8,%rsp
  call   <printf@plt>
  test   %ebp,%ebp
  jle    L10
  xor    %ebx,%ebx
  lea    D2(%rip),%r13
  nopl   0x0(%rax)
L8:
  mov    (%r12,%rbx,8),%rdx
  mov    %ebx,%esi
  mov    %r13,%rdi
  xor    %eax,%eax
  add    $0x1,%rbx
  call   <printf@plt>
  cmp    %rbp,%rbx
  jne    L8
L10:
  add    $0x8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

tool_calls: name: unpack_data
arguments: data_tag: D18
type: string
name: unpack_data
arguments: data_tag: D2
type: string

tool: D18: %d arguments


tool: D2: arg %d: %s


assistant: ```c
int main(int argc, char **argv) {
  int i;
  printf("%d arguments\n", argc);
  for (i = 0; i < argc; i++)
    printf("arg %d: %s\n", i, argv[i]);
  return 0;
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<main>:
  endbr64
  push   %r13
  xor    %eax,%eax
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  movslq %edi,%rbp
  lea    D8(%rip),%rdi
  push   %rbx
  mov    %ebp,%esi
  sub    $0x8,%rsp
  call   <printf@plt>
  test   %ebp,%ebp
  jle    L19
  xor    %ebx,%ebx
  lea    D12(%rip),%r13
  nopl   0x0(%rax)
L5:
  mov    (%r12,%rbx,8),%rdx
  mov    %ebx,%esi
  mov    %r13,%rdi
  xor    %eax,%eax
  add    $0x1,%rbx
  call   <printf@plt>
  cmp    %rbx,%rbp
  jne    L5
L19:
  add    $0x8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

tool_calls: name: extract_symbolic_data
arguments: data_tag: D8
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D12
type_infered: string

tool: D8: %d arguments


tool: D12: arg %d: %s


assistant: ```c
int main(int argc, char **argv) {
  int i;
  printf("%d arguments\n", argc);
  for (i = 0; i < argc; i++)
    printf("arg %d: %s\n", i, argv[i]);
  return 0;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<p114_count_arrangements>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x38,%rsp
  mov    %edi,-0x34(%rbp)
  mov    %esi,-0x38(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x18(%rbp)
  xor    %eax,%eax
  mov    %rsp,%rax
  mov    %rax,%rbx
  mov    -0x34(%rbp),%eax
  add    $0x2,%eax
  movslq %eax,%rdx
  sub    $0x1,%rdx
  mov    %rdx,-0x28(%rbp)
  movslq %eax,%rdx
  mov    %rdx,%r10
  mov    $0x0,%r11d
  movslq %eax,%rdx
  mov    %rdx,%r8
  mov    $0x0,%r9d
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    $0x10,%eax
  sub    $0x1,%rax
  add    %rdx,%rax
  mov    $0x10,%esi
  mov    $0x0,%edx
  div    %rsi
  imul   $0x10,%rax,%rax
  mov    %rax,%rcx
  and    $0xfffffffffffff000,%rcx
  mov    %rsp,%rdx
  sub    %rcx,%rdx
L1:
  cmp    %rdx,%rsp
  je     L45
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L1
L45:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  mov    %rax,%rdx
  and    $0xfff,%edx
  test   %rdx,%rdx
  je     L25
  and    $0xfff,%eax
  sub    $0x8,%rax
  add    %rsp,%rax
  orq    $0x0,(%rax)
L25:
  mov    %rsp,%rax
  add    $0x7,%rax
  shr    $0x3,%rax
  shl    $0x3,%rax
  mov    %rax,-0x20(%rbp)
  movl   $0x0,-0x2c(%rbp)
  jmp    L28
L22:
  mov    -0x20(%rbp),%rax
  mov    -0x2c(%rbp),%edx
  movslq %edx,%rdx
  movq   $0xffffffffffffffff,(%rax,%rdx,8)
  addl   $0x1,-0x2c(%rbp)
L28:
  mov    -0x34(%rbp),%eax
  add    $0x1,%eax
  cmp    %eax,-0x2c(%rbp)
  jle    L22
  mov    -0x34(%rbp),%eax
  lea    0x1(%rax),%ecx
  mov    -0x20(%rbp),%rdx
  mov    -0x38(%rbp),%eax
  mov    %eax,%esi
  mov    %ecx,%edi
  call   <p114_count_arrangements_aux@plt>
  mov    %rbx,%rsp
  mov    -0x18(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L42
  call   <__stack_chk_fail@plt>
L42:
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
long p114_count_arrangements(int size, int min_block) {
  long cache[size + 2];
  for (int i = 0; i < size + 2; i++)
    cache[i] = -1;
  return p114_count_arrangements_aux(size + 1, min_block, cache);
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<p114_count_arrangements>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %edi,%edx
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    0x2(%rdi),%eax
  cltq
  lea    0xf(,%rax,8),%rax
  mov    %rax,%rdi
  and    $0xfffffffffffffff0,%rdi
  and    $0xfffffffffffff000,%rax
  mov    %rsp,%rcx
  sub    %rax,%rcx
L3:
  cmp    %rcx,%rsp
  je     L11
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L3
L11:
  mov    %rdi,%rax
  and    $0xfff,%eax
  sub    %rax,%rsp
  test   %rax,%rax
  je     L19
  orq    $0x0,-0x8(%rsp,%rax,1)
L19:
  mov    %rsp,%rcx
  mov    %edx,%edi
  add    $0x1,%edi
  js     L39
  mov    %rcx,%rax
  lea    0x1(%rdx),%edx
  lea    0x8(%rcx,%rdx,8),%rdx
L24:
  movq   $0xffffffffffffffff,(%rax)
  add    $0x8,%rax
  cmp    %rdx,%rax
  jne    L24
L39:
  mov    %rcx,%rdx
  call   <p114_count_arrangements_aux@plt>
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  jne    L41
  leave
  ret
L41:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
long p114_count_arrangements(int size, int min_block) {
  long cache[size + 2];
  for (int i = 0; i < size + 2; i++)
    cache[i] = -1;
  return p114_count_arrangements_aux(size + 1, min_block, cache);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<p114_count_arrangements>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r13
  mov    %esi,%r13d
  push   %r12
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x18(%rbp)
  xor    %eax,%eax
  lea    0x2(%rdi),%eax
  mov    %rsp,%rcx
  cltq
  lea    0xf(,%rax,8),%rax
  mov    %rax,%rdx
  and    $0xfffffffffffff000,%rax
  sub    %rax,%rcx
  and    $0xfffffffffffffff0,%rdx
  cmp    %rcx,%rsp
  je     L38
L27:
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  cmp    %rcx,%rsp
  jne    L27
L38:
  and    $0xfff,%edx
  sub    %rdx,%rsp
  test   %rdx,%rdx
  jne    L59
L55:
  add    $0x1,%edi
  mov    %rsp,%r8
  mov    %edi,%r12d
  js     L15
  movslq %edi,%rax
  mov    $0xff,%esi
  mov    %r8,%rdi
  lea    0x8(,%rax,8),%rdx
  call   <memset@plt>
  mov    %rax,%r8
L15:
  mov    %r8,%rdx
  mov    %r13d,%esi
  mov    %r12d,%edi
  call   <p114_count_arrangements_aux@plt>
  mov    -0x18(%rbp),%rdx
  sub    %fs:0x28,%rdx
  jne    L34
  lea    -0x10(%rbp),%rsp
  pop    %r12
  pop    %r13
  pop    %rbp
  ret
  nopw   0x0(%rax,%rax,1)
L59:
  orq    $0x0,-0x8(%rsp,%rdx,1)
  jmp    L55
L34:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
long p114_count_arrangements(int size, int min_block) {
  long cache[size + 2];
  for (int i = 0; i < size + 2; i++)
    cache[i] = -1;
  return p114_count_arrangements_aux(size + 1, min_block, cache);
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<p114_count_arrangements>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r13
  mov    %esi,%r13d
  push   %r12
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x18(%rbp)
  xor    %eax,%eax
  lea    0x2(%rdi),%eax
  mov    %rsp,%rcx
  cltq
  lea    0xf(,%rax,8),%rax
  mov    %rax,%rdx
  and    $0xfffffffffffff000,%rax
  sub    %rax,%rcx
  and    $0xfffffffffffffff0,%rdx
  cmp    %rcx,%rsp
  je     L15
L52:
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  cmp    %rcx,%rsp
  jne    L52
L15:
  and    $0xfff,%edx
  sub    %rdx,%rsp
  test   %rdx,%rdx
  jne    L26
L0:
  add    $0x1,%edi
  mov    %rsp,%r8
  mov    %edi,%r12d
  js     L59
  movslq %edi,%rax
  mov    $0xff,%esi
  mov    %r8,%rdi
  lea    0x8(,%rax,8),%rdx
  call   <memset@plt>
  mov    %rax,%r8
L59:
  mov    %r8,%rdx
  mov    %r13d,%esi
  mov    %r12d,%edi
  call   <p114_count_arrangements_aux@plt>
  mov    -0x18(%rbp),%rdx
  sub    %fs:0x28,%rdx
  jne    L27
  lea    -0x10(%rbp),%rsp
  pop    %r12
  pop    %r13
  pop    %rbp
  ret
  nopw   0x0(%rax,%rax,1)
L26:
  orq    $0x0,-0x8(%rsp,%rdx,1)
  jmp    L0
L27:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
long p114_count_arrangements(int size, int min_block) {
  long cache[size + 2];
  for (int i = 0; i < size + 2; i++)
    cache[i] = -1;
  return p114_count_arrangements_aux(size + 1, min_block, cache);
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<Operand_lsi4x4_encode>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    (%rax),%eax
  mov    %eax,-0x8(%rbp)
  mov    -0x8(%rbp),%eax
  shr    $0x2,%eax
  and    $0xf,%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x18(%rbp),%rax
  mov    -0x4(%rbp),%edx
  mov    %edx,(%rax)
  mov    $0x0,%eax
  pop    %rbp
  ret
```

assistant: ```c
int Operand_lsi4x4_encode(unsigned int *valp) {
  unsigned r_0, lsi4x4_0;
  lsi4x4_0 = *valp;
  r_0 = ((lsi4x4_0 >> 2) & 0xf);
  *valp = r_0;
  return 0;
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<Operand_lsi4x4_encode>:
  endbr64
  mov    (%rdi),%eax
  shr    $0x2,%eax
  and    $0xf,%eax
  mov    %eax,(%rdi)
  mov    $0x0,%eax
  ret
```

assistant: ```c
int Operand_lsi4x4_encode(unsigned int *valp) {
  unsigned r_0, lsi4x4_0;
  lsi4x4_0 = *valp;
  r_0 = ((lsi4x4_0 >> 2) & 0xf);
  *valp = r_0;
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<Operand_lsi4x4_encode>:
  endbr64
  mov    (%rdi),%eax
  shr    $0x2,%eax
  and    $0xf,%eax
  mov    %eax,(%rdi)
  xor    %eax,%eax
  ret
```

assistant: ```c
int Operand_lsi4x4_encode(unsigned int *valp) {
  unsigned r_0, lsi4x4_0;
  lsi4x4_0 = *valp;
  r_0 = ((lsi4x4_0 >> 2) & 0xf);
  *valp = r_0;
  return 0;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<Operand_lsi4x4_encode>:
  endbr64
  mov    (%rdi),%eax
  shr    $0x2,%eax
  and    $0xf,%eax
  mov    %eax,(%rdi)
  xor    %eax,%eax
  ret
```

assistant: ```c
int Operand_lsi4x4_encode(unsigned int *valp) {
  unsigned r_0, lsi4x4_0;
  lsi4x4_0 = *valp;
  r_0 = ((lsi4x4_0 >> 2) & 0xf);
  *valp = r_0;
  return 0;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<fprintf>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x8c0,%rsp
  mov    %rdi,-0x8b8(%rbp)
  mov    %rsi,-0x8c0(%rbp)
  mov    %rdx,-0xa0(%rbp)
  mov    %rcx,-0x98(%rbp)
  mov    %r8,-0x90(%rbp)
  mov    %r9,-0x88(%rbp)
  test   %al,%al
  je     L21
  movaps %xmm0,-0x80(%rbp)
  movaps %xmm1,-0x70(%rbp)
  movaps %xmm2,-0x60(%rbp)
  movaps %xmm3,-0x50(%rbp)
  movaps %xmm4,-0x40(%rbp)
  movaps %xmm5,-0x30(%rbp)
  movaps %xmm6,-0x20(%rbp)
  movaps %xmm7,-0x10(%rbp)
L21:
  mov    %fs:0x28,%rax
  mov    %rax,-0xb8(%rbp)
  xor    %eax,%eax
  movq   $0x7d0,-0x8a8(%rbp)
  mov    -0x8c0(%rbp),%rdx
  mov    -0x8b0(%rbp),%eax
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <va_start@plt>
  mov    -0x8b0(%rbp),%ecx
  mov    -0x8c0(%rbp),%rdx
  lea    -0x8a8(%rbp),%rsi
  lea    -0x890(%rbp),%rax
  mov    %rax,%rdi
  call   <vasnprintf@plt>
  mov    %rax,-0x8a0(%rbp)
  mov    -0x8a8(%rbp),%rax
  mov    %rax,-0x898(%rbp)
  mov    -0x8b0(%rbp),%eax
  mov    %eax,%edi
  call   <va_end@plt>
  cmpq   $0x0,-0x8a0(%rbp)
  jne    L62
  mov    -0x8b8(%rbp),%rax
  mov    %rax,%rdi
  call   <fseterr@plt>
  mov    $0xffffffff,%eax
  jmp    L89
L62:
  mov    -0x8b8(%rbp),%rcx
  mov    -0x898(%rbp),%rdx
  mov    -0x8a0(%rbp),%rax
  mov    $0x1,%esi
  mov    %rax,%rdi
  call   <fwrite@plt>
  cmp    %rax,-0x898(%rbp)
  jbe    L49
  lea    -0x890(%rbp),%rax
  cmp    %rax,-0x8a0(%rbp)
  je     L97
  mov    D28(%rip),%rax
  mov    (%rax),%eax
  mov    %eax,-0x8ac(%rbp)
  mov    -0x8a0(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    D28(%rip),%rax
  mov    -0x8ac(%rbp),%edx
  mov    %edx,(%rax)
L97:
  mov    $0xffffffff,%eax
  jmp    L89
L49:
  lea    -0x890(%rbp),%rax
  cmp    %rax,-0x8a0(%rbp)
  je     L1
  mov    -0x8a0(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
L1:
  mov    D46(%rip),%rax
  mov    (%rax),%rax
  cmp    %rax,-0x898(%rbp)
  jbe    L59
  mov    D40(%rip),%rax
  mov    (%rax),%edx
  mov    D28(%rip),%rax
  mov    %edx,(%rax)
  mov    -0x8b8(%rbp),%rax
  mov    %rax,%rdi
  call   <fseterr@plt>
  mov    $0xffffffff,%eax
  jmp    L89
L59:
  mov    -0x898(%rbp),%rax
L89:
  mov    -0xb8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L67
  call   <__stack_chk_fail@plt>
L67:
  leave
  ret
```

assistant: ```c
int fprintf(FILE *fp, const char *format, ...) {
  char buf[2000];
  char *output;
  size_t len;
  size_t lenbuf = sizeof(buf);
  va_list args;
  va_start(args, format);
  output = vasnprintf(buf, &lenbuf, format, args);
  len = lenbuf;
  va_end(args);
  if (!output) {
    fseterr(fp);
    return -1;
  }
  if (fwrite(output, 1, len, fp) < len) {
    if (output != buf) {
      int saved_errno = errno;
      free(output);
      errno = saved_errno;
    }
    return -1;
  }
  if (output != buf)
    free(output);
  if (len > INT_MAX) {
    errno = EOVERFLOW;
    fseterr(fp);
    return -1;
  }
  return len;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<fprintf>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x7f8,%rsp
  mov    %rdi,%r12
  mov    %rsi,%rbx
  mov    %fs:0x28,%rax
  mov    %rax,0x7e8(%rsp)
  xor    %eax,%eax
  movq   $0x7d0,0x8(%rsp)
  mov    $0x0,%r13d
  mov    %r13d,%edi
  call   <va_start@plt>
  lea    0x8(%rsp),%rsi
  lea    0x10(%rsp),%rdi
  mov    %r13d,%ecx
  mov    %rbx,%rdx
  call   <vasnprintf@plt>
  mov    %rax,%rbp
  mov    0x8(%rsp),%rbx
  mov    %r13d,%edi
  call   <va_end@plt>
  test   %rbp,%rbp
  je     L34
  mov    %r12,%rcx
  mov    %rbx,%rdx
  mov    $0x1,%esi
  mov    %rbp,%rdi
  call   <fwrite@plt>
  cmp    %rbx,%rax
  jb     L62
  lea    0x10(%rsp),%rax
  cmp    %rax,%rbp
  je     L39
  mov    %rbp,%rdi
  call   <free@plt>
L39:
  mov    D15(%rip),%rax
  cmp    %rbx,(%rax)
  jb     L87
  mov    %ebx,%eax
L44:
  mov    0x7e8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L9
  add    $0x7f8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L34:
  mov    %r12,%rdi
  call   <fseterr@plt>
  mov    $0xffffffff,%eax
  jmp    L44
L62:
  lea    0x10(%rsp),%rdx
  mov    $0xffffffff,%eax
  cmp    %rdx,%rbp
  je     L44
  mov    D17(%rip),%rbx
  mov    (%rbx),%r12d
  mov    %rbp,%rdi
  call   <free@plt>
  mov    %r12d,(%rbx)
  mov    $0xffffffff,%eax
  jmp    L44
L87:
  mov    D39(%rip),%rax
  mov    (%rax),%edx
  mov    D17(%rip),%rax
  mov    %edx,(%rax)
  mov    %r12,%rdi
  call   <fseterr@plt>
  mov    $0xffffffff,%eax
  jmp    L44
L9:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int fprintf(FILE *fp, const char *format, ...) {
  char buf[2000];
  char *output;
  size_t len;
  size_t lenbuf = sizeof(buf);
  va_list args;
  va_start(args, format);
  output = vasnprintf(buf, &lenbuf, format, args);
  len = lenbuf;
  va_end(args);
  if (!output) {
    fseterr(fp);
    return -1;
  }
  if (fwrite(output, 1, len, fp) < len) {
    if (output != buf) {
      int saved_errno = errno;
      free(output);
      errno = saved_errno;
    }
    return -1;
  }
  if (output != buf)
    free(output);
  if (len > INT_MAX) {
    errno = EOVERFLOW;
    fseterr(fp);
    return -1;
  }
  return len;
}
```