ylfeng/ReF-Decompile-dataset huggingface dataset:
user: Demonstrate the C code that generates the assembly output below:

```asm
<NC_check_name>:
  endbr64
  push   %r13
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  test   %rdi,%rdi
  setne  %dil
  movzbl %dil,%edi
  call   <assert@plt>
  movzbl (%r12),%ebx
  test   %bl,%bl
  je     L18
  movabs $0xff7ffffffefbff94,%r13
  mov    %r12,%rbp
  nopw   0x0(%rax,%rax,1)
L33:
  movsbl %bl,%edi
  call   <isalnum@plt>
  test   %eax,%eax
  jne    L40
  sub    $0x28,%ebx
  cmp    $0x37,%bl
  ja     L18
  bt     %rbx,%r13
  jb     L18
  nopw   0x0(%rax,%rax,1)
L40:
  movzbl 0x1(%rbp),%ebx
  add    $0x1,%rbp
  test   %bl,%bl
  jne    L33
  sub    %r12,%rbp
  xor    %eax,%eax
  mov    $0xffffffcb,%edx
  cmp    $0x101,%rbp
  cmovge %edx,%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax,%rax,1)
L18:
  add    $0x8,%rsp
  mov    $0xffffffc5,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
int NC_check_name(const char *name) {
  const char *cp = name;
  assert(name != NULL);
  if (*name == 0)
    return (-59);
  for (; *cp != 0; cp++) {
    int ch = *cp;
    if (!isalnum(ch)) {
      if (ch != '_' && ch != '-' && ch != '+' && ch != '.' && ch != ':' && ch != '@' && ch != '(' && ch != ')')
        return (-59);
    }
  }
  if (cp - name > 256)
    return (-53);
  return 0;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<NC_check_name>:
  endbr64
  push   %r13
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  test   %rdi,%rdi
  setne  %dil
  movzbl %dil,%edi
  call   <assert@plt>
  movzbl (%r12),%ebx
  test   %bl,%bl
  je     L11
  movabs $0xff7ffffffefbff94,%r13
  mov    %r12,%rbp
  nopw   0x0(%rax,%rax,1)
L10:
  movsbl %bl,%edi
  call   <isalnum@plt>
  test   %eax,%eax
  jne    L24
  sub    $0x28,%ebx
  cmp    $0x37,%bl
  ja     L11
  bt     %rbx,%r13
  jb     L11
  nopw   0x0(%rax,%rax,1)
L24:
  movzbl 0x1(%rbp),%ebx
  add    $0x1,%rbp
  test   %bl,%bl
  jne    L10
  sub    %r12,%rbp
  xor    %eax,%eax
  mov    $0xffffffcb,%edx
  cmp    $0x101,%rbp
  cmovge %edx,%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax,%rax,1)
L11:
  add    $0x8,%rsp
  mov    $0xffffffc5,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
int NC_check_name(const char *name) {
  const char *cp = name;
  assert(name != NULL);
  if (*name == 0)
    return (-59);
  for (; *cp != 0; cp++) {
    int ch = *cp;
    if (!isalnum(ch)) {
      if (ch != '_' && ch != '-' && ch != '+' && ch != '.' && ch != ':' && ch != '@' && ch != '(' && ch != ')')
        return (-59);
    }
  }
  if (cp - name > 256)
    return (-53);
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<sort>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    %edx,-0x20(%rbp)
  mov    -0x1c(%rbp),%edx
  mov    -0x20(%rbp),%eax
  add    %edx,%eax
  mov    %eax,%edx
  shr    $0x1f,%edx
  add    %edx,%eax
  sar    %eax
  mov    %eax,-0x4(%rbp)
  mov    -0x1c(%rbp),%eax
  cmp    -0x20(%rbp),%eax
  je     L10
  mov    -0x4(%rbp),%edx
  mov    -0x1c(%rbp),%ecx
  mov    -0x18(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <sort>
  mov    -0x4(%rbp),%eax
  lea    0x1(%rax),%ecx
  mov    -0x20(%rbp),%edx
  mov    -0x18(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <sort>
  mov    -0x4(%rbp),%eax
  lea    0x1(%rax),%ecx
  mov    -0x20(%rbp),%edi
  mov    -0x4(%rbp),%edx
  mov    -0x1c(%rbp),%esi
  mov    -0x18(%rbp),%rax
  mov    %edi,%r8d
  mov    %rax,%rdi
  call   <merge@plt>
  jmp    L7
L10:
  nop
L7:
  leave
  ret
```

assistant: ```c
void sort(int arr[], int low1, int high1) {
  int mid = (low1 + high1) / 2;
  if (low1 == high1)
    return;
  else {
    sort(arr, low1, mid);
    sort(arr, mid + 1, high1);
    merge(arr, low1, mid, mid + 1, high1);
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<sort>:
  endbr64
  cmp    %edx,%esi
  je     L8
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%r13
  mov    %esi,%ebx
  mov    %edx,%ebp
  lea    (%rsi,%rdx,1),%eax
  mov    %eax,%r12d
  shr    $0x1f,%r12d
  add    %eax,%r12d
  sar    %r12d
  mov    %r12d,%edx
  call   <sort>
  lea    0x1(%r12),%r14d
  mov    %ebp,%edx
  mov    %r14d,%esi
  mov    %r13,%rdi
  call   <sort>
  mov    %ebp,%r8d
  mov    %r14d,%ecx
  mov    %r12d,%edx
  mov    %ebx,%esi
  mov    %r13,%rdi
  call   <merge@plt>
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L8:
  ret
```

assistant: ```c
void sort(int arr[], int low1, int high1) {
  int mid = (low1 + high1) / 2;
  if (low1 == high1)
    return;
  else {
    sort(arr, low1, mid);
    sort(arr, mid + 1, high1);
    merge(arr, low1, mid, mid + 1, high1);
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<sort>:
  endbr64
  cmp    %edx,%esi
  je     L4
  lea    (%rsi,%rdx,1),%eax
  push   %r14
  push   %r13
  mov    %rdi,%r13
  push   %r12
  mov    %eax,%r12d
  shr    $0x1f,%r12d
  push   %rbp
  mov    %esi,%ebp
  push   %rbx
  add    %eax,%r12d
  mov    %edx,%ebx
  sar    %r12d
  lea    0x1(%r12),%r14d
  mov    %r12d,%edx
  call   <sort>
  mov    %ebx,%edx
  mov    %r14d,%esi
  mov    %r13,%rdi
  call   <sort>
  mov    %ebx,%r8d
  mov    %r14d,%ecx
  pop    %rbx
  mov    %r12d,%edx
  mov    %ebp,%esi
  mov    %r13,%rdi
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  jmp    1050 <merge@plt>
  nopl   0x0(%rax)
L4:
  ret
```

assistant: ```c
void sort(int arr[], int low1, int high1) {
  int mid = (low1 + high1) / 2;
  if (low1 == high1)
    return;
  else {
    sort(arr, low1, mid);
    sort(arr, mid + 1, high1);
    merge(arr, low1, mid, mid + 1, high1);
  }
}
```
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
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0x9(%rbp),%rax
  mov    %rax,%rsi
  lea    D4(%rip),%rax
  mov    %rax,%rdi
  call   <scanf@plt>
  movzbl -0x9(%rbp),%eax
  movsbl %al,%eax
  cmp    $0x64,%eax
  je     L6
  cmp    $0x68,%eax
  jne    L13
  mov    $0x0,%eax
  call   <hexadecimal_to_decimal@plt>
  jmp    L13
L6:
  mov    $0x0,%eax
  call   <decimal_to_hexadecimal@plt>
  nop
L13:
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L11
  call   <__stack_chk_fail@plt>
L11:
  leave
  ret
```

tool_calls: name: unpack_data
arguments: tag: D4
data_type: string

tool: D4: %c

assistant: ```c
int main() {
  char s;
  scanf("%c", &s);
  switch (s) {
  case 'h':
    hexadecimal_to_decimal();
    break;
  case 'd':
    decimal_to_hexadecimal();
    break;
  }
  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
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x7(%rsp),%rsi
  lea    D7(%rip),%rdi
  call   <scanf@plt>
  movzbl 0x7(%rsp),%eax
  cmp    $0x64,%al
  je     L39
  cmp    $0x68,%al
  jne    L9
  mov    $0x0,%eax
  call   <hexadecimal_to_decimal@plt>
L9:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L22
  mov    $0x0,%eax
  add    $0x18,%rsp
  ret
L39:
  mov    $0x0,%eax
  call   <decimal_to_hexadecimal@plt>
  jmp    L9
L22:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: label: D7
type: string

tool: D7: %c

assistant: ```c
int main() {
  char s;
  scanf("%c", &s);
  switch (s) {
  case 'h':
    hexadecimal_to_decimal();
    break;
  case 'd':
    decimal_to_hexadecimal();
    break;
  }
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<main>:
  endbr64
  sub    $0x18,%rsp
  lea    D3(%rip),%rdi
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x7(%rsp),%rsi
  call   <scanf@plt>
  movzbl 0x7(%rsp),%eax
  cmp    $0x64,%al
  je     L8
  cmp    $0x68,%al
  jne    L39
  xor    %eax,%eax
  call   <hexadecimal_to_decimal@plt>
L39:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L28
  xor    %eax,%eax
  add    $0x18,%rsp
  ret
L8:
  xor    %eax,%eax
  call   <decimal_to_hexadecimal@plt>
  jmp    L39
L28:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: data_tag: D3
type: string

tool: D3: %c

assistant: ```c
int main() {
  char s;
  scanf("%c", &s);
  switch (s) {
  case 'h':
    hexadecimal_to_decimal();
    break;
  case 'd':
    decimal_to_hexadecimal();
    break;
  }
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<main>:
  endbr64
  sub    $0x18,%rsp
  lea    D1(%rip),%rdi
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x7(%rsp),%rsi
  call   <scanf@plt>
  movzbl 0x7(%rsp),%eax
  cmp    $0x64,%al
  je     L25
  cmp    $0x68,%al
  jne    L31
  xor    %eax,%eax
  call   <hexadecimal_to_decimal@plt>
L31:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L23
  xor    %eax,%eax
  add    $0x18,%rsp
  ret
L25:
  xor    %eax,%eax
  call   <decimal_to_hexadecimal@plt>
  jmp    L31
L23:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: label: D1
data_type: string

tool: D1: %c

assistant: ```c
int main() {
  char s;
  scanf("%c", &s);
  switch (s) {
  case 'h':
    hexadecimal_to_decimal();
    break;
  case 'd':
    decimal_to_hexadecimal();
    break;
  }
  return 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x28,%rsp
  movl   $0x0,-0x2c(%rbp)
  mov    $0x1,%edi
  call   <malloc@plt>
  mov    %rax,-0x20(%rbp)
  jmp    L59
L58:
  mov    -0x2c(%rbp),%eax
  lea    0x2(%rax),%edx
  mov    -0x20(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <realloc@plt>
  mov    %rax,-0x20(%rbp)
  addl   $0x1,-0x2c(%rbp)
L59:
  mov    -0x2c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x20(%rbp),%rax
  lea    (%rdx,%rax,1),%rbx
  mov    $0x0,%eax
  call   <getchar@plt>
  mov    %al,(%rbx)
  movzbl (%rbx),%eax
  cmp    $0xa,%al
  jne    L58
  movl   $0x0,-0x28(%rbp)
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,-0x24(%rbp)
  mov    -0x24(%rbp),%eax
  cltq
  add    %eax,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x18(%rbp)
  movl   $0x0,-0x2c(%rbp)
  jmp    L55
L69:
  mov    -0x2c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cbtw
  lea    -0x30(%rax),%edx
  mov    -0x2c(%rbp),%eax
  cltq
  lea    (%rax,%rax,1),%rcx
  mov    -0x18(%rbp),%rax
  add    %rcx,%rax
  mov    %dx,(%rax)
  addl   $0x1,-0x2c(%rbp)
L55:
  mov    -0x2c(%rbp),%eax
  cmp    -0x24(%rbp),%eax
  jl     L69
  movl   $0x0,-0x2c(%rbp)
  jmp    L39
L62:
  mov    -0x28(%rbp),%edx
  mov    %edx,%eax
  shl    $0x2,%eax
  add    %edx,%eax
  add    %eax,%eax
  mov    %eax,%ecx
  mov    -0x2c(%rbp),%eax
  cltq
  lea    (%rax,%rax,1),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzwl (%rax),%eax
  cwtl
  add    %ecx,%eax
  mov    %eax,-0x28(%rbp)
  addl   $0x1,-0x2c(%rbp)
L77:
  mov    -0x2c(%rbp),%eax
  cmp    -0x24(%rbp),%eax
  jge    L18
  cmpl   $0x12b,-0x28(%rbp)
  jle    L62
L18:
  mov    -0x28(%rbp),%eax
  movslq %eax,%rdx
  imul   $0x1b4e81b5,%rdx,%rdx
  shr    $0x20,%rdx
  sar    $0x5,%edx
  mov    %eax,%ecx
  sar    $0x1f,%ecx
  sub    %ecx,%edx
  imul   $0x12c,%edx,%edx
  sub    %edx,%eax
  mov    %eax,-0x28(%rbp)
L39:
  mov    -0x2c(%rbp),%eax
  cmp    -0x24(%rbp),%eax
  jl     L77
  mov    -0x28(%rbp),%eax
  mov    %eax,%esi
  lea    D7(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

tool_calls: name: unpack_data
arguments: data_tag: D7
type_infered: string

tool: D7: remainder is = %d


assistant: ```c
int main(void) {
  int i = 0;
  char *s = (char *)malloc(sizeof(char));
  while ((s[i] = getchar()) != '\n') {
    s = (char *)realloc(s, i + 2);
    i++;
  }
  short int *n;
  int length;
  int num = 0;
  length = strlen(s);
  n = (short int *)malloc(sizeof(short int) * length);
  for (i = 0; i < length; i++) {
    n[i] = s[i] - '0';
  }
  i = 0;
  while (i < length) {
    while (i < length && num < 300) {
      num = num * 10 + n[i];
      i++;
    }
    num = num % 300;
  }
  printf("remainder is = %d\n", num);
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<main>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    $0x1,%edi
  call   <malloc@plt>
  mov    %rax,%rbp
  mov    $0x0,%ebx
  jmp    L27
L43:
  lea    0x1(%rbx),%esi
  mov    %rbp,%rdi
  call   <realloc@plt>
  mov    %rax,%rbp
L27:
  lea    0x0(%rbp,%rbx,1),%r12
  mov    $0x0,%eax
  call   <getchar@plt>
  mov    %al,(%r12)
  add    $0x1,%rbx
  cmp    $0xa,%al
  jne    L43
  mov    %rbp,%rdi
  call   <strlen@plt>
  mov    %eax,%ebx
  lea    (%rax,%rax,1),%edi
  call   <malloc@plt>
  mov    %rax,%rdi
  test   %ebx,%ebx
  jle    L53
  lea    -0x1(%rbx),%eax
  lea    0x2(%rdi,%rax,2),%rcx
  mov    %rdi,%rax
L105:
  movsbw 0x0(%rbp),%dx
  sub    $0x30,%edx
  mov    %dx,(%rax)
  add    $0x1,%rbp
  add    $0x2,%rax
  cmp    %rcx,%rax
  jne    L105
  mov    $0x0,%esi
  mov    $0x0,%eax
  jmp    L0
L54:
  movslq %esi,%rdx
  imul   $0x1b4e81b5,%rdx,%rdx
  sar    $0x25,%rdx
  mov    %esi,%ecx
  sar    $0x1f,%ecx
  sub    %ecx,%edx
  imul   $0x12c,%edx,%edx
  sub    %edx,%esi
  cmp    %eax,%ebx
  jle    L90
L0:
  cmp    %eax,%ebx
  jle    L54
  movslq %eax,%rdx
  lea    (%rdi,%rdx,2),%rdx
  cmp    $0x12b,%esi
  jg     L54
L41:
  lea    (%rsi,%rsi,4),%esi
  movswl (%rdx),%ecx
  lea    (%rcx,%rsi,2),%esi
  add    $0x1,%eax
  add    $0x2,%rdx
  cmp    %eax,%ebx
  jle    L54
  cmp    $0x12b,%esi
  jle    L41
  jmp    L54
L53:
  mov    $0x0,%esi
L90:
  lea    D5(%rip),%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

tool_calls: name: retrieve_data
arguments: tag: D5
datatype: string

tool: D5: remainder is = %d


assistant: ```c
int main(void) {
  int i = 0;
  char *s = (char *)malloc(sizeof(char));
  while ((s[i] = getchar()) != '\n') {
    s = (char *)realloc(s, i + 2);
    i++;
  }
  short int *n;
  int length;
  int num = 0;
  length = strlen(s);
  n = (short int *)malloc(sizeof(short int) * length);
  for (i = 0; i < length; i++) {
    n[i] = s[i] - '0';
  }
  i = 0;
  while (i < length) {
    while (i < length && num < 300) {
      num = num * 10 + n[i];
      i++;
    }
    num = num % 300;
  }
  printf("remainder is = %d\n", num);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<main>:
  endbr64
  push   %r12
  mov    $0x1,%edi
  push   %rbp
  push   %rbx
  xor    %ebx,%ebx
  call   <malloc@plt>
  mov    %rax,%rbp
  jmp    L42
  nopl   0x0(%rax)
L79:
  mov    %rbp,%rdi
  lea    0x1(%rbx),%esi
  call   <realloc@plt>
  mov    %rax,%rbp
L42:
  xor    %eax,%eax
  lea    0x0(%rbp,%rbx,1),%r12
  add    $0x1,%rbx
  call   <getchar@plt>
  mov    %al,(%r12)
  cmp    $0xa,%al
  jne    L79
  mov    %rbp,%rdi
  call   <strlen@plt>
  lea    (%rax,%rax,1),%edi
  mov    %eax,%ebx
  call   <malloc@plt>
  mov    %rax,%rdi
  test   %ebx,%ebx
  jle    L71
  lea    -0x1(%rbx),%eax
  lea    0x2(%rdi,%rax,2),%rcx
  mov    %rdi,%rax
  xchg   %ax,%ax
L13:
  movsbw 0x0(%rbp),%dx
  add    $0x2,%rax
  add    $0x1,%rbp
  sub    $0x30,%edx
  mov    %dx,-0x2(%rax)
  cmp    %rax,%rcx
  jne    L13
  xor    %esi,%esi
  xor    %eax,%eax
  nopl   (%rax)
L29:
  movslq %eax,%rdx
  lea    (%rdi,%rdx,2),%rdx
  nopw   0x0(%rax,%rax,1)
L15:
  movswl (%rdx),%ecx
  lea    (%rsi,%rsi,4),%esi
  add    $0x1,%eax
  add    $0x2,%rdx
  lea    (%rcx,%rsi,2),%esi
  cmp    %eax,%ebx
  jle    L63
  cmp    $0x12b,%esi
  jle    L15
L63:
  movslq %esi,%rdx
  mov    %esi,%ecx
  imul   $0x1b4e81b5,%rdx,%rdx
  sar    $0x1f,%ecx
  sar    $0x25,%rdx
  sub    %ecx,%edx
  imul   $0x12c,%edx,%edx
  sub    %edx,%esi
  cmp    %eax,%ebx
  jg     L29
L45:
  lea    D4(%rip),%rdi
  call   <printf@plt>
  pop    %rbx
  xor    %eax,%eax
  pop    %rbp
  pop    %r12
  ret
L71:
  xor    %esi,%esi
  jmp    L45
```

tool_calls: name: parse_data
arguments: label: D4
type: string

tool: D4: remainder is = %d


assistant: ```c
int main(void) {
  int i = 0;
  char *s = (char *)malloc(sizeof(char));
  while ((s[i] = getchar()) != '\n') {
    s = (char *)realloc(s, i + 2);
    i++;
  }
  short int *n;
  int length;
  int num = 0;
  length = strlen(s);
  n = (short int *)malloc(sizeof(short int) * length);
  for (i = 0; i < length; i++) {
    n[i] = s[i] - '0';
  }
  i = 0;
  while (i < length) {
    while (i < length && num < 300) {
      num = num * 10 + n[i];
      i++;
    }
    num = num % 300;
  }
  printf("remainder is = %d\n", num);
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<crc8>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  movl   $0x18,-0xc(%rbp)
  movl   $0x0,-0x18(%rbp)
  movq   $0x0,-0x8(%rbp)
  jmp    L19
L56:
  mov    -0x8(%rbp),%rax
  lea    0x0(,%rax,4),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  mov    %eax,-0x14(%rbp)
  movl   $0x0,-0x10(%rbp)
  jmp    L49
L30:
  mov    -0x18(%rbp),%eax
  xor    -0x14(%rbp),%eax
  and    $0x1,%eax
  test   %eax,%eax
  je     L41
  mov    -0xc(%rbp),%eax
  xor    %eax,-0x18(%rbp)
  mov    -0x18(%rbp),%eax
  sar    %eax
  and    $0x7f,%eax
  mov    %eax,-0x18(%rbp)
  orl    $0x80,-0x18(%rbp)
  jmp    L12
L41:
  mov    -0x18(%rbp),%eax
  sar    %eax
  and    $0x7f,%eax
  mov    %eax,-0x18(%rbp)
L12:
  sarl   -0x14(%rbp)
  addl   $0x1,-0x10(%rbp)
L49:
  cmpl   $0x7,-0x10(%rbp)
  jle    L30
  addq   $0x1,-0x8(%rbp)
L19:
  mov    -0x8(%rbp),%rax
  cmp    -0x30(%rbp),%rax
  jb     L56
  mov    -0x18(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
uint8_t crc8(uint8_t *pData, uint16_t len) {
  const uint8_t poly = 0x18;
  uint8_t crc = 0;
  uint8_t b;
  for (uint16_t n = 0; n < len; n++) {
    b = pData[n];
    for (uint8_t bit = 0; bit < 8; bit++) {
      if (0x01 == ((crc ^ b) & 0x01)) {
        crc = crc ^ poly;
        crc = (crc >> 1) & 0x7F;
        crc |= 0x80;
      } else {
        crc = (crc >> 1) & 0x7F;
      }
      b >>= 1;
    }
  }
  return crc;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<crc8>:
  endbr64
  test   %rsi,%rsi
  je     L48
  mov    %rdi,%r8
  lea    (%rdi,%rsi,4),%r9
  mov    $0x0,%eax
  jmp    L27
L12:
  add    $0x4,%r8
  cmp    %r9,%r8
  je     L42
L27:
  mov    (%r8),%esi
  mov    $0x8,%ecx
L36:
  mov    %eax,%edi
  xor    %esi,%edi
  mov    %eax,%edx
  sar    %edx
  xor    $0x8c,%dl
  sar    %eax
  test   $0x1,%dil
  cmovne %edx,%eax
  sar    %esi
  sub    $0x1,%ecx
  jne    L36
  jmp    L12
L42:
  ret
L48:
  mov    $0x0,%eax
  ret
```

assistant: ```c
uint8_t crc8(uint8_t *pData, uint16_t len) {
  const uint8_t poly = 0x18;
  uint8_t crc = 0;
  uint8_t b;
  for (uint16_t n = 0; n < len; n++) {
    b = pData[n];
    for (uint8_t bit = 0; bit < 8; bit++) {
      if (0x01 == ((crc ^ b) & 0x01)) {
        crc = crc ^ poly;
        crc = (crc >> 1) & 0x7F;
        crc |= 0x80;
      } else {
        crc = (crc >> 1) & 0x7F;
      }
      b >>= 1;
    }
  }
  return crc;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<crc8>:
  endbr64
  test   %rsi,%rsi
  je     L6
  lea    (%rdi,%rsi,4),%r9
  xor    %eax,%eax
  nop
L8:
  mov    (%rdi),%ecx
  mov    $0x8,%edx
  nopw   0x0(%rax,%rax,1)
L15:
  mov    %eax,%r8d
  sar    %eax
  xor    %ecx,%r8d
  mov    %eax,%esi
  xor    $0x8c,%sil
  and    $0x1,%r8d
  cmovne %esi,%eax
  sar    %ecx
  sub    $0x1,%edx
  jne    L15
  add    $0x4,%rdi
  cmp    %r9,%rdi
  jne    L8
  ret
L6:
  xor    %eax,%eax
  ret
```

assistant: ```c
uint8_t crc8(uint8_t *pData, uint16_t len) {
  const uint8_t poly = 0x18;
  uint8_t crc = 0;
  uint8_t b;
  for (uint16_t n = 0; n < len; n++) {
    b = pData[n];
    for (uint8_t bit = 0; bit < 8; bit++) {
      if (0x01 == ((crc ^ b) & 0x01)) {
        crc = crc ^ poly;
        crc = (crc >> 1) & 0x7F;
        crc |= 0x80;
      } else {
        crc = (crc >> 1) & 0x7F;
      }
      b >>= 1;
    }
  }
  return crc;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<crc8>:
  endbr64
  test   %rsi,%rsi
  je     L2
  lea    (%rdi,%rsi,4),%rsi
  xor    %eax,%eax
  nopl   0x0(%rax,%rax,1)
L1:
  mov    (%rdi),%edx
  mov    %eax,%ecx
  sar    %ecx
  xor    %edx,%eax
  mov    %ecx,%r8d
  xor    $0x8c,%r8b
  test   $0x1,%al
  cmovne %r8d,%ecx
  mov    %edx,%r8d
  sar    %r8d
  mov    %ecx,%eax
  xor    %r8d,%ecx
  sar    %eax
  mov    %eax,%r8d
  xor    $0x8c,%r8b
  and    $0x1,%ecx
  cmovne %r8d,%eax
  mov    %edx,%r8d
  sar    $0x2,%r8d
  mov    %eax,%ecx
  xor    %r8d,%eax
  sar    %ecx
  mov    %ecx,%r8d
  xor    $0x8c,%r8b
  test   $0x1,%al
  cmovne %r8d,%ecx
  mov    %edx,%r8d
  sar    $0x3,%r8d
  mov    %ecx,%eax
  xor    %r8d,%ecx
  sar    %eax
  mov    %eax,%r8d
  xor    $0x8c,%r8b
  and    $0x1,%ecx
  cmovne %r8d,%eax
  mov    %edx,%r8d
  sar    $0x4,%r8d
  mov    %eax,%ecx
  xor    %r8d,%eax
  sar    %ecx
  mov    %ecx,%r8d
  xor    $0x8c,%r8b
  test   $0x1,%al
  cmovne %r8d,%ecx
  mov    %edx,%r8d
  sar    $0x5,%r8d
  mov    %ecx,%eax
  xor    %r8d,%ecx
  sar    %eax
  mov    %eax,%r8d
  xor    $0x8c,%r8b
  and    $0x1,%ecx
  cmovne %r8d,%eax
  mov    %edx,%r8d
  sar    $0x6,%r8d
  mov    %eax,%ecx
  xor    %r8d,%eax
  sar    %ecx
  mov    %ecx,%r8d
  xor    $0x8c,%r8b
  test   $0x1,%al
  cmovne %r8d,%ecx
  sar    $0x7,%edx
  mov    %ecx,%eax
  xor    %ecx,%edx
  sar    %eax
  mov    %eax,%ecx
  xor    $0x8c,%cl
  and    $0x1,%edx
  cmovne %ecx,%eax
  add    $0x4,%rdi
  cmp    %rdi,%rsi
  jne    L1
  ret
L2:
  xor    %eax,%eax
  ret
```

assistant: ```c
uint8_t crc8(uint8_t *pData, uint16_t len) {
  const uint8_t poly = 0x18;
  uint8_t crc = 0;
  uint8_t b;
  for (uint16_t n = 0; n < len; n++) {
    b = pData[n];
    for (uint8_t bit = 0; bit < 8; bit++) {
      if (0x01 == ((crc ^ b) & 0x01)) {
        crc = crc ^ poly;
        crc = (crc >> 1) & 0x7F;
        crc |= 0x80;
      } else {
        crc = (crc >> 1) & 0x7F;
      }
      b >>= 1;
    }
  }
  return crc;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    D6(%rip),%rax
  mov    (%rax),%edx
  lea    -0x12(%rbp),%rax
  mov    $0xa,%esi
  mov    %rax,%rdi
  call   <fgets@plt>
  lea    -0x12(%rbp),%rax
  mov    %rax,%rdi
  call   <is_prime@plt>
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L8
  call   <__stack_chk_fail@plt>
L8:
  leave
  ret
```

assistant: ```c
int main(void) {
  char string[10];
  fgets(string, 10, stdin);
  is_prime(string);
  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
  push   %rbx
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  lea    0xe(%rsp),%rbx
  mov    D1(%rip),%rax
  mov    (%rax),%edx
  mov    $0xa,%esi
  mov    %rbx,%rdi
  call   <fgets@plt>
  mov    %rbx,%rdi
  call   <is_prime@plt>
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L6
  mov    $0x0,%eax
  add    $0x20,%rsp
  pop    %rbx
  ret
L6:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int main(void) {
  char string[10];
  fgets(string, 10, stdin);
  is_prime(string);
  return 0;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<main>:
  endbr64
  push   %rbp
  mov    $0xa,%esi
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  mov    D4(%rip),%rax
  lea    0xe(%rsp),%rbp
  mov    %rbp,%rdi
  mov    (%rax),%edx
  call   <fgets@plt>
  mov    %rbp,%rdi
  call   <is_prime@plt>
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L8
  add    $0x20,%rsp
  xor    %eax,%eax
  pop    %rbp
  ret
L8:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int main(void) {
  char string[10];
  fgets(string, 10, stdin);
  is_prime(string);
  return 0;
}
```