ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 下面的汇编指令对应的C源代码是什么:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movabs $0x6867666564636261,%rax
  mov    %rax,-0x1c(%rbp)
  movw   $0x6a69,-0x14(%rbp)
  lea    -0x1c(%rbp),%rax
  mov    %rax,%rsi
  lea    D10(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  movl   $0x0,-0x20(%rbp)
  jmp    L26
L18:
  mov    -0x20(%rbp),%eax
  cltq
  movzbl -0x1c(%rbp,%rax,1),%eax
  cmp    $0x60,%al
  jle    L34
  mov    -0x20(%rbp),%eax
  cltq
  movzbl -0x1c(%rbp,%rax,1),%eax
  cmp    $0x7a,%al
  jg     L34
  mov    -0x20(%rbp),%eax
  cltq
  movzbl -0x1c(%rbp,%rax,1),%eax
  sub    $0x20,%eax
  mov    %eax,%edx
  mov    -0x20(%rbp),%eax
  cltq
  mov    %dl,-0x12(%rbp,%rax,1)
L34:
  addl   $0x1,-0x20(%rbp)
L26:
  cmpl   $0x9,-0x20(%rbp)
  jle    L18
  lea    -0x1c(%rbp),%rax
  mov    %rax,%rsi
  lea    D17(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L15
  call   <__stack_chk_fail@plt>
L15:
  leave
  ret
```

tool_calls: name: unpack_data
arguments: data_tag: D10
type_infered: string
name: unpack_data
arguments: data_tag: D17
type_infered: string

tool: D10: The string is: %s

tool: D17: 
The string in uppercase is: %s

assistant: ```c
int main() {
  char str[10] = {'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j'};
  char strNew[10];
  int i;
  printf("The string is: %s", str);
  for (i = 0; i < 10; i++) {
    if (str[i] >= 97 && str[i] <= 122) {
      strNew[i] = str[i] - 32;
    }
  }
  printf("\nThe string in uppercase is: %s", str);
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<main>:
  endbr64
  push   %rbx
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  movabs $0x6867666564636261,%rax
  mov    %rax,0xe(%rsp)
  movw   $0x6a69,0x16(%rsp)
  lea    0xe(%rsp),%rbx
  mov    %rbx,%rsi
  lea    D15(%rip),%rdi
  call   <printf@plt>
  mov    %rbx,%rsi
  lea    D8(%rip),%rdi
  call   <printf@plt>
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L5
  mov    $0x0,%eax
  add    $0x20,%rsp
  pop    %rbx
  ret
L5:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: data_tag: D15
type_infered: string
name: parse_data
arguments: data_tag: D8
type_infered: string

tool: D15: The string is: %s

tool: D8: 
The string in uppercase is: %s

assistant: ```c
int main() {
  char str[10] = {'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j'};
  char strNew[10];
  int i;
  printf("The string is: %s", str);
  for (i = 0; i < 10; i++) {
    if (str[i] >= 97 && str[i] <= 122) {
      strNew[i] = str[i] - 32;
    }
  }
  printf("\nThe string in uppercase is: %s", str);
  return 0;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<main>:
  endbr64
  push   %rbp
  lea    D14(%rip),%rdi
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  movabs $0x6867666564636261,%rax
  lea    0xe(%rsp),%rbp
  mov    %rbp,%rsi
  mov    %rax,0xe(%rsp)
  mov    $0x6a69,%eax
  mov    %ax,0x16(%rsp)
  call   <printf@plt>
  mov    %rbp,%rsi
  lea    D15(%rip),%rdi
  call   <printf@plt>
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L5
  add    $0x20,%rsp
  xor    %eax,%eax
  pop    %rbp
  ret
L5:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: data_label: D14
datatype: string
name: unpack_data
arguments: data_label: D15
datatype: string

tool: D14: The string is: %s

tool: D15: 
The string in uppercase is: %s

assistant: ```c
int main() {
  char str[10] = {'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j'};
  char strNew[10];
  int i;
  printf("The string is: %s", str);
  for (i = 0; i < 10; i++) {
    if (str[i] >= 97 && str[i] <= 122) {
      strNew[i] = str[i] - 32;
    }
  }
  printf("\nThe string in uppercase is: %s", str);
  return 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<main>:
  endbr64
  push   %rbp
  lea    D4(%rip),%rdi
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  movabs $0x6867666564636261,%rax
  lea    0xe(%rsp),%rbp
  mov    %rbp,%rsi
  mov    %rax,0xe(%rsp)
  mov    $0x6a69,%eax
  mov    %ax,0x16(%rsp)
  call   <printf@plt>
  mov    %rbp,%rsi
  lea    D19(%rip),%rdi
  call   <printf@plt>
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L0
  add    $0x20,%rsp
  xor    %eax,%eax
  pop    %rbp
  ret
L0:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: data_label: D4
type_infered: string
name: read_data
arguments: data_label: D19
type_infered: string

tool: D4: The string is: %s

tool: D19: 
The string in uppercase is: %s

assistant: ```c
int main() {
  char str[10] = {'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j'};
  char strNew[10];
  int i;
  printf("The string is: %s", str);
  for (i = 0; i < 10; i++) {
    if (str[i] >= 97 && str[i] <= 122) {
      strNew[i] = str[i] - 32;
    }
  }
  printf("\nThe string in uppercase is: %s", str);
  return 0;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<tcnt_show>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    $0x0,%eax
  call   <tcnt_get_in_ms@plt>
  movq   %xmm0,%rax
  mov    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  movq   %rdx,%xmm0
  mov    %rax,%rsi
  lea    D6(%rip),%rax
  mov    %rax,%rdi
  mov    $0x1,%eax
  call   <SCIprintf@plt>
  cmpl   $0x1,-0x1c(%rbp)
  jne    L8
  lea    D3(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <SCIprintf@plt>
L8:
  nop
  leave
  ret
```

tool_calls: name: unpack_data
arguments: data_label: D6
type: string
name: unpack_data
arguments: data_label: D3
type: string

tool: D6: %s: elapsed = %8.3lf[ms]

tool: D3: 


assistant: ```c
void tcnt_show(char *s, int cr_sw) {
  double t;
  t = tcnt_get_in_ms();
  SCIprintf("%s: elapsed = %8.3lf[ms]", s, t);
  if (cr_sw == 1) {
    SCIprintf("\n");
  }
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<tcnt_show>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbp
  mov    %esi,%ebx
  mov    $0x0,%eax
  call   <tcnt_get_in_ms@plt>
  mov    %rbp,%rsi
  lea    D19(%rip),%rdi
  mov    $0x1,%eax
  call   <SCIprintf@plt>
  cmp    $0x1,%ebx
  je     L0
L2:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
L0:
  lea    D15(%rip),%rdi
  mov    $0x0,%eax
  call   <SCIprintf@plt>
  jmp    L2
```

tool_calls: name: extract_symbolic_data
arguments: label: D19
type_guessed: string
name: extract_symbolic_data
arguments: label: D15
type_guessed: string

tool: D19: %s: elapsed = %8.3lf[ms]

tool: D15: 


assistant: ```c
void tcnt_show(char *s, int cr_sw) {
  double t;
  t = tcnt_get_in_ms();
  SCIprintf("%s: elapsed = %8.3lf[ms]", s, t);
  if (cr_sw == 1) {
    SCIprintf("\n");
  }
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<tcnt_show>:
  endbr64
  push   %rbp
  xor    %eax,%eax
  mov    %rdi,%rbp
  push   %rbx
  mov    %esi,%ebx
  sub    $0x8,%rsp
  call   <tcnt_get_in_ms@plt>
  mov    %rbp,%rsi
  mov    $0x1,%eax
  lea    D12(%rip),%rdi
  call   <SCIprintf@plt>
  cmp    $0x1,%ebx
  je     L1
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
  cs nopw 0x0(%rax,%rax,1)
L1:
  add    $0x8,%rsp
  lea    D13(%rip),%rdi
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  jmp    1060 <SCIprintf@plt>
```

tool_calls: name: disassemble_data
arguments: tag: D12
type: string
name: disassemble_data
arguments: tag: D13
type: string

tool: D12: %s: elapsed = %8.3lf[ms]

tool: D13: 


assistant: ```c
void tcnt_show(char *s, int cr_sw) {
  double t;
  t = tcnt_get_in_ms();
  SCIprintf("%s: elapsed = %8.3lf[ms]", s, t);
  if (cr_sw == 1) {
    SCIprintf("\n");
  }
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<tcnt_show>:
  endbr64
  push   %rbp
  xor    %eax,%eax
  mov    %rdi,%rbp
  push   %rbx
  mov    %esi,%ebx
  sub    $0x8,%rsp
  call   <tcnt_get_in_ms@plt>
  mov    %rbp,%rsi
  mov    $0x1,%eax
  lea    D4(%rip),%rdi
  call   <SCIprintf@plt>
  cmp    $0x1,%ebx
  je     L0
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
  cs nopw 0x0(%rax,%rax,1)
L0:
  add    $0x8,%rsp
  lea    D17(%rip),%rdi
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  jmp    1060 <SCIprintf@plt>
```

tool_calls: name: parse_data
arguments: label: D4
type_guessed: string
name: parse_data
arguments: label: D17
type_guessed: string

tool: D4: %s: elapsed = %8.3lf[ms]

tool: D17: 


assistant: ```c
void tcnt_show(char *s, int cr_sw) {
  double t;
  t = tcnt_get_in_ms();
  SCIprintf("%s: elapsed = %8.3lf[ms]", s, t);
  if (cr_sw == 1) {
    SCIprintf("\n");
  }
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<addSlashes>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  jmp    L4
L33:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x5c,%al
  jne    L14
  mov    -0x8(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  jmp    L1
L37:
  addq   $0x1,-0x10(%rbp)
L1:
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L37
  mov    -0x10(%rbp),%rax
  add    $0x1,%rax
  movb   $0x0,(%rax)
  subq   $0x1,-0x10(%rbp)
  jmp    L12
L57:
  mov    -0x10(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  mov    %al,(%rdx)
  subq   $0x1,-0x10(%rbp)
L12:
  mov    -0x10(%rbp),%rax
  cmp    -0x8(%rbp),%rax
  ja     L57
  mov    -0x10(%rbp),%rax
  add    $0x1,%rax
  movb   $0x5c,(%rax)
  addq   $0x1,-0x8(%rbp)
L14:
  addq   $0x1,-0x8(%rbp)
L4:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L33
  nop
  nop
  pop    %rbp
  ret
```

assistant: ```c
void addSlashes(char *line) {
  char *sft, *crs = line;
  while (*crs) {
    if (*crs == '\\') {
      sft = crs;
      while (*sft)
        sft++;
      sft[1] = 0;
      sft--;
      while (sft > crs) {
        sft[1] = sft[0];
        sft--;
      }
      sft[1] = '\\';
      crs++;
    }
    crs++;
  }
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<addSlashes>:
  endbr64
  movzbl (%rdi),%eax
  test   %al,%al
  jne    L58
L30:
  ret
L48:
  movb   $0x5c,0x1(%rsi)
  lea    0x1(%rdi),%rdx
L11:
  lea    0x1(%rdx),%rdi
  movzbl 0x1(%rdx),%eax
  test   %al,%al
  je     L30
L58:
  mov    %rdi,%rdx
  cmp    $0x5c,%al
  jne    L11
  cmpb   $0x0,(%rdi)
  je     L41
L50:
  add    $0x1,%rdx
  cmpb   $0x0,(%rdx)
  jne    L50
L41:
  movb   $0x0,0x1(%rdx)
  lea    -0x1(%rdx),%rsi
  cmp    %rdi,%rsi
  jbe    L48
  mov    %rsi,%rax
L59:
  movzbl (%rax),%ecx
  mov    %cl,0x1(%rax)
  sub    $0x1,%rax
  cmp    %rdi,%rax
  jne    L59
  sub    %rdx,%rsi
  lea    0x1(%rsi,%rdi,1),%rsi
  jmp    L48
```

assistant: ```c
void addSlashes(char *line) {
  char *sft, *crs = line;
  while (*crs) {
    if (*crs == '\\') {
      sft = crs;
      while (*sft)
        sft++;
      sft[1] = 0;
      sft--;
      while (sft > crs) {
        sft[1] = sft[0];
        sft--;
      }
      sft[1] = '\\';
      crs++;
    }
    crs++;
  }
}
```
user: Translate the below assembly code into C programming language:

```asm
<addSlashes>:
  endbr64
  movzbl (%rdi),%edx
  test   %dl,%dl
  je     L78
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  sub    $0x8,%rsp
  jmp    L88
  nopw   0x0(%rax,%rax,1)
L64:
  movzbl 0x1(%rax),%edx
  lea    0x1(%rax),%rbp
  test   %dl,%dl
  je     L89
L88:
  mov    %rbp,%rax
  cmp    $0x5c,%dl
  jne    L64
  cmpb   $0x0,0x0(%rbp)
  je     L73
  nopw   0x0(%rax,%rax,1)
L38:
  mov    %rax,%rdx
  add    $0x1,%rax
  cmpb   $0x0,(%rax)
  jne    L38
L70:
  movb   $0x0,0x1(%rax)
  lea    0x1(%rbp),%rbx
  cmp    %rbp,%rdx
  jbe    L77
  lea    0x1(%rbp),%rbx
  sub    %rbp,%rdx
  lea    0x2(%rbp),%rdi
  mov    %rbx,%rsi
  call   <memmove@plt>
  mov    %rbp,%rdx
L77:
  mov    %rbx,%rax
  movb   $0x5c,0x1(%rdx)
  movzbl 0x1(%rax),%edx
  lea    0x1(%rax),%rbp
  test   %dl,%dl
  jne    L88
L89:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
  nopl   0x0(%rax)
L73:
  lea    -0x1(%rbp),%rdx
  jmp    L70
L78:
  ret
```

assistant: ```c
void addSlashes(char *line) {
  char *sft, *crs = line;
  while (*crs) {
    if (*crs == '\\') {
      sft = crs;
      while (*sft)
        sft++;
      sft[1] = 0;
      sft--;
      while (sft > crs) {
        sft[1] = sft[0];
        sft--;
      }
      sft[1] = '\\';
      crs++;
    }
    crs++;
  }
}
```
user: Translate the below assembly code into C programming language:

```asm
<addSlashes>:
  endbr64
  movzbl (%rdi),%edx
  test   %dl,%dl
  je     L11
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  sub    $0x8,%rsp
  jmp    L39
  cs nopw 0x0(%rax,%rax,1)
L7:
  movzbl 0x1(%rax),%edx
  lea    0x1(%rax),%rbp
  test   %dl,%dl
  je     L26
L39:
  mov    %rbp,%rax
  cmp    $0x5c,%dl
  jne    L7
  nopl   0x0(%rax)
L69:
  mov    %rax,%rdx
  lea    0x1(%rax),%rax
  cmpb   $0x0,0x1(%rdx)
  jne    L69
  movb   $0x0,0x1(%rax)
  lea    0x1(%rbp),%rbx
  cmp    %rbp,%rdx
  jbe    L41
  lea    0x1(%rbp),%rbx
  sub    %rbp,%rdx
  lea    0x2(%rbp),%rdi
  mov    %rbx,%rsi
  call   <memmove@plt>
  mov    %rbp,%rdx
L41:
  mov    %rbx,%rax
  movb   $0x5c,0x1(%rdx)
  movzbl 0x1(%rax),%edx
  lea    0x1(%rax),%rbp
  test   %dl,%dl
  jne    L39
L26:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
L11:
  ret
```

assistant: ```c
void addSlashes(char *line) {
  char *sft, *crs = line;
  while (*crs) {
    if (*crs == '\\') {
      sft = crs;
      while (*sft)
        sft++;
      sft[1] = 0;
      sft--;
      while (sft > crs) {
        sft[1] = sft[0];
        sft--;
      }
      sft[1] = '\\';
      crs++;
    }
    crs++;
  }
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<Hex2Byte>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  movb   $0x0,-0x9(%rbp)
  movl   $0x0,-0x4(%rbp)
  jmp    L32
L25:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <toupper@plt>
  mov    %eax,%edx
  mov    -0x18(%rbp),%rax
  mov    %dl,(%rax)
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2f,%al
  jle    L3
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x39,%al
  jg     L3
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  sub    $0x30,%eax
  mov    %eax,-0x8(%rbp)
  jmp    L99
L3:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x40,%al
  jle    L27
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x46,%al
  jg     L27
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  sub    $0x37,%eax
  mov    %eax,-0x8(%rbp)
  jmp    L99
L27:
  movl   $0x0,-0x8(%rbp)
L99:
  cmpl   $0x0,-0x4(%rbp)
  jne    L87
  mov    $0x10,%eax
  jmp    L47
L87:
  mov    $0x1,%eax
L47:
  mov    -0x8(%rbp),%edx
  imul   %edx,%eax
  add    %al,-0x9(%rbp)
  addl   $0x1,-0x4(%rbp)
  addq   $0x1,-0x18(%rbp)
L32:
  cmpl   $0x1,-0x4(%rbp)
  jle    L25
  movzbl -0x9(%rbp),%eax
  leave
  ret
```

assistant: ```c
int Hex2Byte(char *psz) {
  int iByte;
  int i;
  unsigned char bByte = 0;
  for (i = 0; i < 2; i++, psz++) {
    *psz = (char)toupper(*psz);
    if (*psz > '/' && *psz < ':') {
      iByte = (((int)*psz) - '0');
    } else if (*psz > '@' && *psz < 'G') {
      iByte = (((int)*psz) - '7');
    } else {
      iByte = 0;
    }
    bByte += (iByte * (!i ? 16 : 1));
  }
  return ((int)bByte);
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<Hex2Byte>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  lea    0x1(%rdi),%rbx
  mov    $0x1,%r12d
  mov    $0x0,%ebp
  mov    $0x0,%r13d
  jmp    L49
L10:
  lea    -0x41(%rax),%edx
  movsbl %al,%eax
  sub    $0x37,%eax
  cmp    $0x6,%dl
  cmovae %r13d,%eax
  jmp    L38
L3:
  shl    $0x4,%eax
  add    %eax,%ebp
L24:
  add    $0x1,%rbx
  add    $0x1,%r12
L49:
  movsbl -0x1(%rbx),%edi
  call   <toupper@plt>
  mov    %al,-0x1(%rbx)
  lea    -0x30(%rax),%edx
  cmp    $0x9,%dl
  ja     L10
  movsbl %al,%eax
  sub    $0x30,%eax
L38:
  cmp    $0x1,%r12d
  je     L3
  add    %eax,%ebp
  cmp    $0x1,%r12d
  jle    L24
  movzbl %bpl,%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
int Hex2Byte(char *psz) {
  int iByte;
  int i;
  unsigned char bByte = 0;
  for (i = 0; i < 2; i++, psz++) {
    *psz = (char)toupper(*psz);
    if (*psz > '/' && *psz < ':') {
      iByte = (((int)*psz) - '0');
    } else if (*psz > '@' && *psz < 'G') {
      iByte = (((int)*psz) - '7');
    } else {
      iByte = 0;
    }
    bByte += (iByte * (!i ? 16 : 1));
  }
  return ((int)bByte);
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<Hex2Byte>:
  endbr64
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  sub    $0x8,%rsp
  movsbl (%rdi),%edi
  call   <toupper@plt>
  mov    %eax,%ebx
  lea    -0x30(%rax),%edx
  mov    %al,0x0(%rbp)
  shl    $0x4,%ebx
  cmp    $0x9,%dl
  jbe    L6
  lea    -0x41(%rax),%edx
  mov    %ebx,%eax
  xor    %ebx,%ebx
  sub    $0x70,%eax
  cmp    $0x6,%dl
  cmovb  %eax,%ebx
L6:
  movsbl 0x1(%rbp),%edi
  call   <toupper@plt>
  lea    -0x30(%rax),%edx
  mov    %al,0x1(%rbp)
  cmp    $0x9,%dl
  jbe    L11
  lea    -0x41(%rax),%edx
  mov    %ebx,%ecx
  lea    -0x37(%rbx,%rax,1),%ebx
  cmp    $0x6,%dl
  cmovae %ecx,%ebx
  add    $0x8,%rsp
  movzbl %bl,%eax
  pop    %rbx
  pop    %rbp
  ret
  nopw   0x0(%rax,%rax,1)
L11:
  lea    -0x30(%rbx,%rax,1),%ebx
  add    $0x8,%rsp
  movzbl %bl,%eax
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
int Hex2Byte(char *psz) {
  int iByte;
  int i;
  unsigned char bByte = 0;
  for (i = 0; i < 2; i++, psz++) {
    *psz = (char)toupper(*psz);
    if (*psz > '/' && *psz < ':') {
      iByte = (((int)*psz) - '0');
    } else if (*psz > '@' && *psz < 'G') {
      iByte = (((int)*psz) - '7');
    } else {
      iByte = 0;
    }
    bByte += (iByte * (!i ? 16 : 1));
  }
  return ((int)bByte);
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<Hex2Byte>:
  endbr64
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  sub    $0x8,%rsp
  movsbl (%rdi),%edi
  call   <toupper@plt>
  mov    %eax,%ebx
  lea    -0x30(%rax),%edx
  mov    %al,0x0(%rbp)
  shl    $0x4,%ebx
  cmp    $0x9,%dl
  jbe    L3
  lea    -0x41(%rax),%edx
  mov    %ebx,%eax
  xor    %ebx,%ebx
  sub    $0x70,%eax
  cmp    $0x6,%dl
  cmovb  %eax,%ebx
L3:
  movsbl 0x1(%rbp),%edi
  call   <toupper@plt>
  lea    -0x30(%rax),%edx
  mov    %al,0x1(%rbp)
  cmp    $0x9,%dl
  jbe    L2
  lea    -0x41(%rax),%edx
  mov    %ebx,%ecx
  lea    -0x37(%rbx,%rax,1),%ebx
  cmp    $0x6,%dl
  cmovae %ecx,%ebx
  add    $0x8,%rsp
  movzbl %bl,%eax
  pop    %rbx
  pop    %rbp
  ret
  nopw   0x0(%rax,%rax,1)
L2:
  lea    -0x30(%rbx,%rax,1),%ebx
  add    $0x8,%rsp
  movzbl %bl,%eax
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
int Hex2Byte(char *psz) {
  int iByte;
  int i;
  unsigned char bByte = 0;
  for (i = 0; i < 2; i++, psz++) {
    *psz = (char)toupper(*psz);
    if (*psz > '/' && *psz < ':') {
      iByte = (((int)*psz) - '0');
    } else if (*psz > '@' && *psz < 'G') {
      iByte = (((int)*psz) - '7');
    } else {
      iByte = 0;
    }
    bByte += (iByte * (!i ? 16 : 1));
  }
  return ((int)bByte);
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<_substring>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    %edx,-0x20(%rbp)
  movl   $0x0,-0xc(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  add    $0x1,%rax
  mov    %rax,%rdi
  call   <malloc@plt>
  mov    %rax,-0x8(%rbp)
  jmp    L2
L12:
  mov    -0x1c(%rbp),%edx
  mov    -0xc(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    -0x1(%rax),%rdx
  mov    -0x18(%rbp),%rax
  lea    (%rdx,%rax,1),%rcx
  mov    -0xc(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    %edx,-0xc(%rbp)
  movslq %eax,%rdx
  mov    -0x8(%rbp),%rax
  add    %rax,%rdx
  movzbl (%rcx),%eax
  mov    %al,(%rdx)
L2:
  mov    -0xc(%rbp),%eax
  cmp    -0x20(%rbp),%eax
  jl     L12
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  mov    -0x8(%rbp),%rax
  leave
  ret
```

assistant: ```c
char *_substring(char s[], int p, int l) {
  int c = 0;
  char *sub = malloc(strlen(s) + 1);
  while (c < l) {
    sub[c++] = s[p + c - 1];
  }
  sub[c] = '\0';
  return sub;
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<_substring>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbp
  mov    %esi,%r12d
  mov    %edx,%ebx
  call   <strlen@plt>
  lea    0x1(%rax),%rdi
  call   <malloc@plt>
  test   %ebx,%ebx
  jle    L10
  mov    %ebx,%edi
  mov    $0x0,%edx
  movslq %r12d,%r12
  lea    0x0(%rbp,%r12,1),%rsi
L3:
  movzbl -0x1(%rsi,%rdx,1),%ecx
  mov    %cl,(%rax,%rdx,1)
  add    $0x1,%rdx
  cmp    %rdi,%rdx
  jne    L3
L25:
  movslq %ebx,%rbx
  movb   $0x0,(%rax,%rbx,1)
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L10:
  mov    $0x0,%ebx
  jmp    L25
```

assistant: ```c
char *_substring(char s[], int p, int l) {
  int c = 0;
  char *sub = malloc(strlen(s) + 1);
  while (c < l) {
    sub[c++] = s[p + c - 1];
  }
  sub[c] = '\0';
  return sub;
}
```
user: Translate the below assembly code into C programming language:

```asm
<_substring>:
  endbr64
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  movslq %esi,%rbp
  push   %rbx
  movslq %edx,%rbx
  call   <strlen@plt>
  lea    0x1(%rax),%rdi
  call   <malloc@plt>
  mov    %rax,%r8
  test   %ebx,%ebx
  jle    L6
  lea    -0x1(%r12,%rbp,1),%rsi
  mov    %rbx,%rdx
  mov    %rax,%rdi
  call   <memcpy@plt>
  add    %rax,%rbx
  mov    %rax,%r8
  movb   $0x0,(%rbx)
  mov    %r8,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopw   0x0(%rax,%rax,1)
L6:
  mov    %rax,%rbx
  mov    %r8,%rax
  movb   $0x0,(%rbx)
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
char *_substring(char s[], int p, int l) {
  int c = 0;
  char *sub = malloc(strlen(s) + 1);
  while (c < l) {
    sub[c++] = s[p + c - 1];
  }
  sub[c] = '\0';
  return sub;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<_substring>:
  endbr64
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  movslq %esi,%rbp
  push   %rbx
  movslq %edx,%rbx
  call   <strlen@plt>
  lea    0x1(%rax),%rdi
  call   <malloc@plt>
  mov    %rax,%r8
  test   %ebx,%ebx
  jle    L2
  lea    -0x1(%r12,%rbp,1),%rsi
  mov    %rbx,%rdx
  mov    %rax,%rdi
  call   <memcpy@plt>
  add    %rax,%rbx
  mov    %rax,%r8
  movb   $0x0,(%rbx)
  mov    %r8,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopw   0x0(%rax,%rax,1)
L2:
  mov    %rax,%rbx
  mov    %r8,%rax
  movb   $0x0,(%rbx)
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
char *_substring(char s[], int p, int l) {
  int c = 0;
  char *sub = malloc(strlen(s) + 1);
  while (c < l) {
    sub[c++] = s[p + c - 1];
  }
  sub[c] = '\0';
  return sub;
}
```