ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<main>:
  endbr64
  push   %rbx
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    D3(%rip),%rdi
  call   <printf@plt>
  mov    %rsp,%rsi
  lea    D11(%rip),%rbx
  mov    %rbx,%rdi
  call   <scanf@plt>
  lea    D7(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    0x4(%rsp),%rsi
  mov    %rbx,%rdi
  call   <scanf@plt>
  mov    (%rsp),%esi
  mov    0x4(%rsp),%ecx
  cmp    %ecx,%esi
  jle    L9
L36:
  mov    %ecx,%edi
  mov    %esi,%eax
  cltd
  idiv   %ecx
  mov    %edx,%ecx
  mov    %edi,%esi
  test   %edx,%edx
  jne    L36
  mov    %edi,(%rsp)
  movl   $0x0,0x4(%rsp)
  lea    D5(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
L29:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L23
  mov    $0x0,%eax
  add    $0x10,%rsp
  pop    %rbx
  ret
L18:
  mov    %edx,%esi
L9:
  mov    %ecx,%eax
  cltd
  idiv   %esi
  mov    %esi,%ecx
  test   %edx,%edx
  jne    L18
  mov    %esi,0x4(%rsp)
  movl   $0x0,(%rsp)
  lea    D5(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  jmp    L29
L23:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: label: D3
datatype: string
name: read_data
arguments: label: D11
datatype: string
name: read_data
arguments: label: D7
datatype: string
name: read_data
arguments: label: D5
datatype: string

tool: D3: a = 

tool: D11: %d

tool: D7: b = 

tool: D5: NWD = %d


assistant: ```c
int main(void) {
  int a, b, r;
  printf("a = ");
  scanf("%d", &a);
  printf("b = ");
  scanf("%d", &b);
  if (a > b) {
    do {
      r = a % b;
      a = b;
      b = r;
    } while (b);
    printf("NWD = %d\n", a);
  } else {
    do {
      r = b % a;
      b = a;
      a = r;
    } while (a);
    printf("NWD = %d\n", b);
  }
  return 0;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<main>:
  endbr64
  push   %rbp
  lea    D34(%rip),%rdi
  lea    D22(%rip),%rbp
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  call   <printf@plt>
  mov    %rsp,%rsi
  mov    %rbp,%rdi
  call   <scanf@plt>
  lea    D27(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  lea    0x4(%rsp),%rsi
  mov    %rbp,%rdi
  call   <scanf@plt>
  mov    (%rsp),%esi
  mov    0x4(%rsp),%ecx
  cmp    %ecx,%esi
  jle    L41
  nopl   (%rax)
L21:
  mov    %esi,%eax
  mov    %ecx,%edi
  cltd
  mov    %edi,%esi
  idiv   %ecx
  mov    %edx,%ecx
  test   %edx,%edx
  jne    L21
  mov    %edi,(%rsp)
  xor    %eax,%eax
  lea    D36(%rip),%rdi
  movl   $0x0,0x4(%rsp)
  call   <printf@plt>
  jmp    L43
  nopw   0x0(%rax,%rax,1)
L10:
  mov    %edx,%esi
L41:
  mov    %ecx,%eax
  mov    %esi,%ecx
  cltd
  idiv   %esi
  test   %edx,%edx
  jne    L10
  lea    D36(%rip),%rdi
  xor    %eax,%eax
  mov    %esi,0x4(%rsp)
  movl   $0x0,(%rsp)
  call   <printf@plt>
L43:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L29
  add    $0x10,%rsp
  xor    %eax,%eax
  pop    %rbp
  ret
L29:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: label: D34
type: string
name: retrieve_data
arguments: label: D22
type: string
name: retrieve_data
arguments: label: D27
type: string
name: retrieve_data
arguments: label: D36
type: string

tool: D34: a = 

tool: D22: %d

tool: D27: b = 

tool: D36: NWD = %d


assistant: ```c
int main(void) {
  int a, b, r;
  printf("a = ");
  scanf("%d", &a);
  printf("b = ");
  scanf("%d", &b);
  if (a > b) {
    do {
      r = a % b;
      a = b;
      b = r;
    } while (b);
    printf("NWD = %d\n", a);
  } else {
    do {
      r = b % a;
      b = a;
      a = r;
    } while (a);
    printf("NWD = %d\n", b);
  }
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<main>:
  endbr64
  push   %rbp
  lea    D35(%rip),%rdi
  lea    D4(%rip),%rbp
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  call   <printf@plt>
  mov    %rsp,%rsi
  mov    %rbp,%rdi
  call   <scanf@plt>
  lea    D46(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  lea    0x4(%rsp),%rsi
  mov    %rbp,%rdi
  call   <scanf@plt>
  mov    (%rsp),%esi
  mov    0x4(%rsp),%ecx
  cmp    %ecx,%esi
  jle    L5
  nopl   (%rax)
L2:
  mov    %esi,%eax
  mov    %ecx,%edi
  cltd
  mov    %edi,%esi
  idiv   %ecx
  mov    %edx,%ecx
  test   %edx,%edx
  jne    L2
  mov    %edi,(%rsp)
  xor    %eax,%eax
  lea    D40(%rip),%rdi
  movl   $0x0,0x4(%rsp)
  call   <printf@plt>
  jmp    L28
  nopw   0x0(%rax,%rax,1)
L34:
  mov    %edx,%esi
L5:
  mov    %ecx,%eax
  mov    %esi,%ecx
  cltd
  idiv   %esi
  test   %edx,%edx
  jne    L34
  lea    D40(%rip),%rdi
  xor    %eax,%eax
  mov    %esi,0x4(%rsp)
  movl   $0x0,(%rsp)
  call   <printf@plt>
L28:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L11
  add    $0x10,%rsp
  xor    %eax,%eax
  pop    %rbp
  ret
L11:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: data_label: D35
datatype: string
name: unpack_data
arguments: data_label: D4
datatype: string
name: unpack_data
arguments: data_label: D46
datatype: string
name: unpack_data
arguments: data_label: D40
datatype: string

tool: D35: a = 

tool: D4: %d

tool: D46: b = 

tool: D40: NWD = %d


assistant: ```c
int main(void) {
  int a, b, r;
  printf("a = ");
  scanf("%d", &a);
  printf("b = ");
  scanf("%d", &b);
  if (a > b) {
    do {
      r = a % b;
      a = b;
      b = r;
    } while (b);
    printf("NWD = %d\n", a);
  } else {
    do {
      r = b % a;
      b = a;
      a = r;
    } while (a);
    printf("NWD = %d\n", b);
  }
  return 0;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<ft_atoi>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rdi,-0x28(%rbp)
  movl   $0x0,-0x1c(%rbp)
  movl   $0x0,-0x18(%rbp)
  movl   $0x0,-0x14(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <ft_atoi_where_to_start@plt>
  mov    %rax,-0x28(%rbp)
  mov    -0x1c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x2d,%al
  jne    L57
  addl   $0x1,-0x1c(%rbp)
  jmp    L57
L53:
  addl   $0x1,-0x1c(%rbp)
L57:
  mov    -0x1c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x2f,%al
  jle    L19
  mov    -0x1c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x39,%al
  jle    L53
L19:
  subl   $0x1,-0x1c(%rbp)
  mov    -0x1c(%rbp),%eax
  lea    -0x1(%rax),%edx
  mov    %edx,-0x1c(%rbp)
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  sub    $0x30,%eax
  mov    %eax,-0x14(%rbp)
  jmp    L22
L36:
  addl   $0x1,-0x18(%rbp)
  mov    -0x1c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x30,%al
  je     L77
  mov    -0x1c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  lea    -0x30(%rax),%ebx
  mov    -0x18(%rbp),%eax
  mov    %eax,%edi
  call   <ft_puiss10@plt>
  movsbl %al,%eax
  imul   %ebx,%eax
  add    %eax,-0x14(%rbp)
L77:
  subl   $0x1,-0x1c(%rbp)
L22:
  mov    -0x1c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x2f,%al
  jle    L9
  mov    -0x1c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x39,%al
  jle    L36
L9:
  mov    -0x1c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x2d,%al
  jne    L73
  negl   -0x14(%rbp)
L73:
  mov    -0x14(%rbp),%eax
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
int ft_atoi(char *str) {
  int x;
  int y;
  int res;
  x = 0;
  y = 0;
  res = 0;
  str = ft_atoi_where_to_start(str);
  if (str[x] == 45)
    x++;
  while ((str[x] > 47) && (str[x] < 58))
    x++;
  x--;
  res = str[x--] - 48;
  while ((str[x] > 47) && (str[x] < 58)) {
    y++;
    if (str[x] != 48)
      res = res + ((str[x] - 48) * (ft_puiss10(y)));
    x--;
  }
  if (str[x] == 45)
    res *= -1;
  return (res);
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<ft_atoi>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  call   <ft_atoi_where_to_start@plt>
  cmpb   $0x2d,(%rax)
  sete   %sil
  movzbl %sil,%esi
  sete   %dl
  movzbl %dl,%edx
  movzbl (%rax,%rdx,1),%edx
  sub    $0x30,%edx
  cmp    $0x9,%dl
  ja     L10
  add    $0x1,%esi
  movslq %esi,%rdx
L37:
  mov    %edx,%esi
  movzbl (%rax,%rdx,1),%ecx
  sub    $0x30,%ecx
  add    $0x1,%rdx
  cmp    $0x9,%cl
  jbe    L37
L10:
  lea    -0x1(%rsi),%edx
  movslq %edx,%rdx
  movsbl (%rax,%rdx,1),%r13d
  sub    $0x30,%r13d
  sub    $0x2,%esi
  movslq %esi,%rsi
  add    %rsi,%rax
  movzbl (%rax),%ebx
  lea    -0x30(%rbx),%edx
  cmp    $0x9,%dl
  ja     L28
  mov    %rax,%rbp
  lea    0x1(%rax),%r12d
  jmp    L59
L49:
  movzbl -0x1(%rbp),%ebx
  sub    $0x1,%rbp
  lea    -0x30(%rbx),%eax
  cmp    $0x9,%al
  ja     L28
L59:
  mov    %r12d,%edi
  sub    %ebp,%edi
  cmp    $0x30,%bl
  je     L49
  call   <ft_puiss10@plt>
  movsbl %bl,%ebx
  sub    $0x30,%ebx
  movsbl %al,%eax
  imul   %eax,%ebx
  add    %ebx,%r13d
  jmp    L49
L28:
  mov    %r13d,%eax
  neg    %eax
  cmp    $0x2d,%bl
  cmove  %eax,%r13d
  mov    %r13d,%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
int ft_atoi(char *str) {
  int x;
  int y;
  int res;
  x = 0;
  y = 0;
  res = 0;
  str = ft_atoi_where_to_start(str);
  if (str[x] == 45)
    x++;
  while ((str[x] > 47) && (str[x] < 58))
    x++;
  x--;
  res = str[x--] - 48;
  while ((str[x] > 47) && (str[x] < 58)) {
    y++;
    if (str[x] != 48)
      res = res + ((str[x] - 48) * (ft_puiss10(y)));
    x--;
  }
  if (str[x] == 45)
    res *= -1;
  return (res);
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<ft_atoi>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  call   <ft_atoi_where_to_start@plt>
  xor    %ecx,%ecx
  cmpb   $0x2d,(%rax)
  sete   %sil
  sete   %cl
  movzbl %sil,%esi
  add    %rax,%rsi
  movzbl (%rsi),%edx
  sub    $0x30,%edx
  cmp    $0x9,%dl
  ja     L33
  nopl   (%rax)
L19:
  movzbl 0x1(%rsi),%edx
  mov    %ecx,%edi
  add    $0x1,%rsi
  add    $0x1,%ecx
  sub    $0x30,%edx
  cmp    $0x9,%dl
  jbe    L19
L12:
  sub    $0x2,%ecx
  movslq %edi,%rdi
  movslq %ecx,%rcx
  movsbl (%rax,%rdi,1),%r13d
  lea    (%rax,%rcx,1),%rbp
  movzbl 0x0(%rbp),%ebx
  sub    $0x30,%r13d
  lea    -0x30(%rbx),%eax
  cmp    $0x9,%al
  ja     L10
  lea    0x1(%rbp),%r12d
  nopw   0x0(%rax,%rax,1)
L44:
  mov    %r12d,%edi
  sub    %ebp,%edi
  cmp    $0x30,%bl
  je     L46
  call   <ft_puiss10@plt>
  sub    $0x30,%ebx
  movsbl %bl,%ebx
  movsbl %al,%eax
  imul   %eax,%ebx
  add    %ebx,%r13d
L46:
  movzbl -0x1(%rbp),%ebx
  sub    $0x1,%rbp
  lea    -0x30(%rbx),%eax
  cmp    $0x9,%al
  jbe    L44
L10:
  mov    %r13d,%eax
  neg    %eax
  cmp    $0x2d,%bl
  cmove  %eax,%r13d
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  mov    %r13d,%eax
  pop    %r12
  pop    %r13
  ret
  nop
L33:
  lea    -0x1(%rcx),%edi
  jmp    L12
```

assistant: ```c
int ft_atoi(char *str) {
  int x;
  int y;
  int res;
  x = 0;
  y = 0;
  res = 0;
  str = ft_atoi_where_to_start(str);
  if (str[x] == 45)
    x++;
  while ((str[x] > 47) && (str[x] < 58))
    x++;
  x--;
  res = str[x--] - 48;
  while ((str[x] > 47) && (str[x] < 58)) {
    y++;
    if (str[x] != 48)
      res = res + ((str[x] - 48) * (ft_puiss10(y)));
    x--;
  }
  if (str[x] == 45)
    res *= -1;
  return (res);
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<ft_atoi>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  call   <ft_atoi_where_to_start@plt>
  xor    %esi,%esi
  cmpb   $0x2d,(%rax)
  sete   %dl
  sete   %sil
  movzbl %dl,%edx
  movzbl (%rax,%rdx,1),%ecx
  lea    -0x30(%rcx),%edx
  cmp    $0x9,%dl
  ja     L16
  add    $0x1,%esi
  movslq %esi,%rdx
  nopl   0x0(%rax,%rax,1)
L12:
  movsbl %cl,%r13d
  movzbl (%rax,%rdx,1),%ecx
  mov    %edx,%esi
  add    $0x1,%rdx
  lea    -0x30(%rcx),%edi
  cmp    $0x9,%dil
  jbe    L12
L39:
  sub    $0x2,%esi
  sub    $0x30,%r13d
  movslq %esi,%rsi
  lea    (%rax,%rsi,1),%rbp
  movzbl 0x0(%rbp),%ebx
  lea    -0x30(%rbx),%eax
  cmp    $0x9,%al
  ja     L3
  lea    0x1(%rbp),%r12d
  nopl   0x0(%rax)
L54:
  mov    %r12d,%edi
  sub    %ebp,%edi
  cmp    $0x30,%bl
  je     L2
  call   <ft_puiss10@plt>
  sub    $0x30,%ebx
  movsbl %bl,%ebx
  movsbl %al,%eax
  imul   %eax,%ebx
  add    %ebx,%r13d
L2:
  movzbl -0x1(%rbp),%ebx
  sub    $0x1,%rbp
  lea    -0x30(%rbx),%eax
  cmp    $0x9,%al
  jbe    L54
L3:
  mov    %r13d,%eax
  neg    %eax
  cmp    $0x2d,%bl
  cmove  %eax,%r13d
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  mov    %r13d,%eax
  pop    %r12
  pop    %r13
  ret
  nop
L16:
  lea    -0x1(%rsi),%edx
  movslq %edx,%rdx
  movsbl (%rax,%rdx,1),%r13d
  jmp    L39
```

assistant: ```c
int ft_atoi(char *str) {
  int x;
  int y;
  int res;
  x = 0;
  y = 0;
  res = 0;
  str = ft_atoi_where_to_start(str);
  if (str[x] == 45)
    x++;
  while ((str[x] > 47) && (str[x] < 58))
    x++;
  x--;
  res = str[x--] - 48;
  while ((str[x] > 47) && (str[x] < 58)) {
    y++;
    if (str[x] != 48)
      res = res + ((str[x] - 48) * (ft_puiss10(y)));
    x--;
  }
  if (str[x] == 45)
    res *= -1;
  return (res);
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<num_packages>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    $0x0,%eax
  call   <num_cpus@plt>
  cmp    $0xffffffff,%eax
  je     L31
  mov    $0x0,%eax
  call   <num_threads_per_package@plt>
  cmp    $0xffffffff,%eax
  jne    L48
L31:
  mov    $0x0,%eax
  call   <generic_num_packages@plt>
  jmp    L9
L48:
  mov    $0x0,%eax
  call   <has_htt@plt>
  test   %eax,%eax
  jne    L5
  mov    $0x0,%eax
  call   <num_cpus@plt>
  jmp    L9
L5:
  mov    $0x0,%eax
  call   <num_cpus@plt>
  mov    %eax,%ebx
  mov    $0x0,%eax
  call   <num_threads_per_package@plt>
  mov    %eax,%ecx
  mov    %ebx,%eax
  cltd
  idiv   %ecx
L9:
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
int num_packages() {
  if ((num_cpus() == -1) || (num_threads_per_package() == -1))
    return generic_num_packages();
  else if (!has_htt())
    return num_cpus();
  else
    return num_cpus() / num_threads_per_package();
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<num_packages>:
  endbr64
  push   %rbx
  mov    $0x0,%eax
  call   <num_cpus@plt>
  cmp    $0xffffffff,%eax
  je     L2
  mov    $0x0,%eax
  call   <num_threads_per_package@plt>
  cmp    $0xffffffff,%eax
  je     L2
  mov    $0x0,%eax
  call   <has_htt@plt>
  test   %eax,%eax
  jne    L17
  call   <num_cpus@plt>
  jmp    L29
L2:
  mov    $0x0,%eax
  call   <generic_num_packages@plt>
L29:
  pop    %rbx
  ret
L17:
  mov    $0x0,%eax
  call   <num_cpus@plt>
  mov    %eax,%ebx
  mov    $0x0,%eax
  call   <num_threads_per_package@plt>
  mov    %eax,%ecx
  mov    %ebx,%eax
  cltd
  idiv   %ecx
  jmp    L29
```

assistant: ```c
int num_packages() {
  if ((num_cpus() == -1) || (num_threads_per_package() == -1))
    return generic_num_packages();
  else if (!has_htt())
    return num_cpus();
  else
    return num_cpus() / num_threads_per_package();
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<num_packages>:
  endbr64
  push   %rbx
  xor    %eax,%eax
  call   <num_cpus@plt>
  cmp    $0xffffffff,%eax
  je     L24
  xor    %eax,%eax
  call   <num_threads_per_package@plt>
  cmp    $0xffffffff,%eax
  je     L24
  xor    %eax,%eax
  call   <has_htt@plt>
  test   %eax,%eax
  jne    L8
  pop    %rbx
  jmp    1090 <num_cpus@plt>
  xchg   %ax,%ax
L8:
  xor    %eax,%eax
  call   <num_cpus@plt>
  mov    %eax,%ebx
  xor    %eax,%eax
  call   <num_threads_per_package@plt>
  mov    %eax,%r8d
  mov    %ebx,%eax
  pop    %rbx
  cltd
  idiv   %r8d
  ret
  nopl   0x0(%rax,%rax,1)
L24:
  xor    %eax,%eax
  pop    %rbx
  jmp    10a0 <generic_num_packages@plt>
```

assistant: ```c
int num_packages() {
  if ((num_cpus() == -1) || (num_threads_per_package() == -1))
    return generic_num_packages();
  else if (!has_htt())
    return num_cpus();
  else
    return num_cpus() / num_threads_per_package();
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<num_packages>:
  endbr64
  push   %rbx
  xor    %eax,%eax
  call   <num_cpus@plt>
  cmp    $0xffffffff,%eax
  je     L25
  xor    %eax,%eax
  call   <num_threads_per_package@plt>
  cmp    $0xffffffff,%eax
  je     L25
  xor    %eax,%eax
  call   <has_htt@plt>
  test   %eax,%eax
  jne    L15
  pop    %rbx
  jmp    1090 <num_cpus@plt>
  xchg   %ax,%ax
L15:
  xor    %eax,%eax
  call   <num_cpus@plt>
  mov    %eax,%ebx
  xor    %eax,%eax
  call   <num_threads_per_package@plt>
  mov    %eax,%r8d
  mov    %ebx,%eax
  pop    %rbx
  cltd
  idiv   %r8d
  ret
  nopl   0x0(%rax,%rax,1)
L25:
  xor    %eax,%eax
  pop    %rbx
  jmp    10a0 <generic_num_packages@plt>
```

assistant: ```c
int num_packages() {
  if ((num_cpus() == -1) || (num_threads_per_package() == -1))
    return generic_num_packages();
  else if (!has_htt())
    return num_cpus();
  else
    return num_cpus() / num_threads_per_package();
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<asn1_header_encode>:
  endbr64
  mov    %rdi,%rax
  mov    (%r8),%r9d
  cmp    $0x1,%r9d
  jbe    L46
  mov    (%rdi),%rdi
  shl    $0x5,%edx
  and    $0x20,%edx
  shl    $0x6,%esi
  or     %esi,%edx
  and    $0x1f,%ecx
  or     %ecx,%edx
  mov    %dl,(%rdi)
  lea    -0x2(%r9),%edx
  cmp    $0x7f,%edx
  ja     L60
  lea    0x2(%rdi),%rcx
  mov    %dl,0x1(%rdi)
L57:
  mov    %rcx,(%rax)
  mov    %edx,(%r8)
  mov    $0x0,%eax
  ret
L46:
  mov    D1(%rip),%rax
  mov    (%rax),%eax
  neg    %eax
  ret
L60:
  lea    -0x3(%r9),%edx
  cmp    $0xff,%edx
  ja     L27
  movb   $0x81,0x1(%rdi)
  lea    0x3(%rdi),%rcx
  mov    %dl,0x2(%rdi)
  jmp    L57
L27:
  lea    -0x4(%r9),%edx
  cmp    $0xffff,%edx
  ja     L45
  movb   $0x82,0x1(%rdi)
  movzbl %dh,%ecx
  mov    %cl,0x2(%rdi)
  lea    0x4(%rdi),%rcx
  mov    %dl,0x3(%rdi)
  jmp    L57
L45:
  lea    -0x5(%r9),%edx
  cmp    $0xffffff,%edx
  ja     L41
  movb   $0x83,0x1(%rdi)
  mov    %edx,%ecx
  shr    $0x10,%ecx
  mov    %cl,0x2(%rdi)
  movzbl %dh,%ecx
  mov    %cl,0x3(%rdi)
  lea    0x5(%rdi),%rcx
  mov    %dl,0x4(%rdi)
  jmp    L57
L41:
  lea    -0x6(%r9),%edx
  movb   $0x84,0x1(%rdi)
  mov    %edx,%ecx
  shr    $0x18,%ecx
  mov    %cl,0x2(%rdi)
  mov    %edx,%ecx
  shr    $0x10,%ecx
  mov    %cl,0x3(%rdi)
  movzbl %dh,%ecx
  mov    %cl,0x4(%rdi)
  lea    0x6(%rdi),%rcx
  mov    %dl,0x5(%rdi)
  jmp    L57
```

assistant: ```c
int asn1_header_encode(unsigned char **buf, unsigned int cls, unsigned int con, unsigned int tag, unsigned int *len) {
  unsigned char *loc;
  unsigned int r_len;
  if (*len < 2)
    return -EINVAL;
  loc = *buf;
  r_len = *len;
  *loc++ = ((cls & 0x3) << 6) | ((con & 0x1) << 5) | (tag & 0x1F);
  r_len -= 1;
  if (r_len - 1 < (1 << 7)) {
    r_len -= 1;
    *loc++ = (unsigned char)(r_len & 0x7F);
  } else if (r_len - 2 < (1 << 8)) {
    r_len -= 2;
    *loc++ = 0x81;
    *loc++ = (unsigned char)(r_len & 0xFF);
  } else if (r_len - 3 < (1 << 16)) {
    r_len -= 3;
    *loc++ = 0x82;
    *loc++ = (unsigned char)((r_len >> 8) & 0xFF);
    *loc++ = (unsigned char)(r_len & 0xFF);
  } else if (r_len - 4 < (1 << 24)) {
    r_len -= 4;
    *loc++ = 0x83;
    *loc++ = (unsigned char)((r_len >> 16) & 0xFF);
    *loc++ = (unsigned char)((r_len >> 8) & 0xFF);
    *loc++ = (unsigned char)(r_len & 0xFF);
  } else {
    r_len -= 5;
    *loc++ = 0x84;
    *loc++ = (unsigned char)((r_len >> 24) & 0xFF);
    *loc++ = (unsigned char)((r_len >> 16) & 0xFF);
    *loc++ = (unsigned char)((r_len >> 8) & 0xFF);
    *loc++ = (unsigned char)(r_len & 0xFF);
  }
  *buf = loc;
  *len = r_len;
  return 0;
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<asn1_header_encode>:
  endbr64
  mov    %rdi,%rax
  mov    (%r8),%edi
  cmp    $0x1,%edi
  jbe    L39
  shl    $0x5,%edx
  shl    $0x6,%esi
  mov    (%rax),%r9
  and    $0x1f,%ecx
  and    $0x20,%edx
  or     %esi,%edx
  or     %ecx,%edx
  mov    %dl,(%r9)
  lea    -0x2(%rdi),%edx
  cmp    $0x7f,%edx
  ja     L4
  mov    %dl,0x1(%r9)
  lea    0x2(%r9),%rcx
L43:
  mov    %rcx,(%rax)
  xor    %eax,%eax
  mov    %edx,(%r8)
  ret
  xchg   %ax,%ax
L4:
  lea    -0x3(%rdi),%edx
  cmp    $0xff,%edx
  jbe    L29
  lea    -0x4(%rdi),%edx
  cmp    $0xffff,%edx
  ja     L45
  mov    %edx,%esi
  movb   $0x82,0x1(%r9)
  lea    0x4(%r9),%rcx
  rol    $0x8,%si
  mov    %si,0x2(%r9)
  jmp    L43
  nopl   0x0(%rax)
L39:
  mov    D3(%rip),%rax
  mov    (%rax),%eax
  neg    %eax
  ret
  nopl   0x0(%rax)
L29:
  lea    0x3(%r9),%rcx
  movb   $0x81,0x1(%r9)
  mov    %dl,0x2(%r9)
  mov    %rcx,(%rax)
  xor    %eax,%eax
  mov    %edx,(%r8)
  ret
  cs nopw 0x0(%rax,%rax,1)
L45:
  lea    -0x5(%rdi),%edx
  cmp    $0xffffff,%edx
  ja     L10
  mov    %edx,%ecx
  mov    %edx,%esi
  movb   $0x83,0x1(%r9)
  shr    $0x10,%ecx
  rol    $0x8,%si
  mov    %cl,0x2(%r9)
  lea    0x5(%r9),%rcx
  mov    %si,0x3(%r9)
  jmp    L43
  nopl   (%rax)
L10:
  lea    -0x6(%rdi),%edx
  movb   $0x84,0x1(%r9)
  lea    0x6(%r9),%rcx
  mov    %edx,%esi
  bswap  %esi
  mov    %esi,0x2(%r9)
  jmp    L43
```

assistant: ```c
int asn1_header_encode(unsigned char **buf, unsigned int cls, unsigned int con, unsigned int tag, unsigned int *len) {
  unsigned char *loc;
  unsigned int r_len;
  if (*len < 2)
    return -EINVAL;
  loc = *buf;
  r_len = *len;
  *loc++ = ((cls & 0x3) << 6) | ((con & 0x1) << 5) | (tag & 0x1F);
  r_len -= 1;
  if (r_len - 1 < (1 << 7)) {
    r_len -= 1;
    *loc++ = (unsigned char)(r_len & 0x7F);
  } else if (r_len - 2 < (1 << 8)) {
    r_len -= 2;
    *loc++ = 0x81;
    *loc++ = (unsigned char)(r_len & 0xFF);
  } else if (r_len - 3 < (1 << 16)) {
    r_len -= 3;
    *loc++ = 0x82;
    *loc++ = (unsigned char)((r_len >> 8) & 0xFF);
    *loc++ = (unsigned char)(r_len & 0xFF);
  } else if (r_len - 4 < (1 << 24)) {
    r_len -= 4;
    *loc++ = 0x83;
    *loc++ = (unsigned char)((r_len >> 16) & 0xFF);
    *loc++ = (unsigned char)((r_len >> 8) & 0xFF);
    *loc++ = (unsigned char)(r_len & 0xFF);
  } else {
    r_len -= 5;
    *loc++ = 0x84;
    *loc++ = (unsigned char)((r_len >> 24) & 0xFF);
    *loc++ = (unsigned char)((r_len >> 16) & 0xFF);
    *loc++ = (unsigned char)((r_len >> 8) & 0xFF);
    *loc++ = (unsigned char)(r_len & 0xFF);
  }
  *buf = loc;
  *len = r_len;
  return 0;
}
```