ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<char_digit>:
  endbr64
  push   %rbx
  movsbl %dil,%ebx
  mov    %ebx,%edi
  call   <isdigit@plt>
  test   %rax,%rax
  je     L29
  lea    -0x30(%rbx),%eax
L11:
  pop    %rbx
  ret
L29:
  mov    %ebx,%edi
  call   <isxdigit@plt>
  test   %rax,%rax
  je     L17
  mov    %ebx,%edi
  call   <toupper@plt>
  sub    $0x37,%eax
  jmp    L11
L17:
  mov    $0xffffffff,%eax
  jmp    L11
```

assistant: ```c
int char_digit(char c) {
  if (isdigit(c))
    return c - '0';
  if (isxdigit(c))
    return 10 + toupper(c) - 'A';
  return -1;
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<char_digit>:
  endbr64
  push   %rbp
  movsbl %dil,%ebp
  mov    %ebp,%edi
  call   <isdigit@plt>
  test   %rax,%rax
  je     L8
  lea    -0x30(%rbp),%eax
  pop    %rbp
  ret
  nopw   0x0(%rax,%rax,1)
L8:
  mov    %ebp,%edi
  call   <isxdigit@plt>
  test   %rax,%rax
  je     L18
  mov    %ebp,%edi
  call   <toupper@plt>
  pop    %rbp
  sub    $0x37,%eax
  ret
  nopl   0x0(%rax,%rax,1)
L18:
  mov    $0xffffffff,%eax
  pop    %rbp
  ret
```

assistant: ```c
int char_digit(char c) {
  if (isdigit(c))
    return c - '0';
  if (isxdigit(c))
    return 10 + toupper(c) - 'A';
  return -1;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<char_digit>:
  endbr64
  push   %rbp
  movsbl %dil,%ebp
  mov    %ebp,%edi
  call   <isdigit@plt>
  test   %rax,%rax
  je     L19
  lea    -0x30(%rbp),%eax
  pop    %rbp
  ret
  nopw   0x0(%rax,%rax,1)
L19:
  mov    %ebp,%edi
  call   <isxdigit@plt>
  test   %rax,%rax
  je     L9
  mov    %ebp,%edi
  call   <toupper@plt>
  pop    %rbp
  sub    $0x37,%eax
  ret
  nopl   0x0(%rax,%rax,1)
L9:
  mov    $0xffffffff,%eax
  pop    %rbp
  ret
```

assistant: ```c
int char_digit(char c) {
  if (isdigit(c))
    return c - '0';
  if (isxdigit(c))
    return 10 + toupper(c) - 'A';
  return -1;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<GPF_supL>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x250,%rsp
  mov    %rdi,-0x248(%rbp)
  mov    %esi,-0x24c(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movl   $0x1,-0x234(%rbp)
  mov    -0x248(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  add    $0x5,%rax
  mov    %rax,%rdi
  call   <malloc@plt>
  mov    %rax,-0x230(%rbp)
  cmpq   $0x0,-0x230(%rbp)
  jne    L41
  lea    D45(%rip),%rax
  mov    %rax,%rsi
  lea    D37(%rip),%rax
  mov    %rax,%rdi
  call   <stopErr@plt>
L41:
  mov    -0x230(%rbp),%rax
  mov    %rax,-0x228(%rbp)
  mov    -0x248(%rbp),%rdx
  mov    -0x228(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
  mov    -0x248(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  add    %rax,-0x228(%rbp)
  mov    -0x228(%rbp),%rax
  lea    D36(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
  mov    -0x230(%rbp),%rax
  mov    %rax,-0x228(%rbp)
  mov    -0x248(%rbp),%rax
  lea    D48(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <fopen@plt>
  mov    %rax,-0x220(%rbp)
  cmpq   $0x0,-0x220(%rbp)
  je     L7
  mov    -0x228(%rbp),%rax
  lea    D8(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <fopen@plt>
  mov    %rax,-0x218(%rbp)
  cmpq   $0x0,-0x218(%rbp)
  je     L10
  jmp    L56
L3:
  mov    -0x234(%rbp),%eax
  cmp    -0x24c(%rbp),%eax
  je     L33
  mov    -0x218(%rbp),%rdx
  lea    -0x210(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <fputs@plt>
L33:
  addl   $0x1,-0x234(%rbp)
L56:
  mov    -0x220(%rbp),%rdx
  lea    -0x210(%rbp),%rax
  mov    $0x200,%esi
  mov    %rax,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  jne    L3
  mov    -0x218(%rbp),%rax
  mov    %rax,%rdi
  call   <fclose@plt>
L10:
  mov    -0x220(%rbp),%rax
  mov    %rax,%rdi
  call   <fclose@plt>
  mov    -0x248(%rbp),%rdx
  mov    -0x228(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <rename@plt>
L7:
  mov    -0x230(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  nop
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L45
  call   <__stack_chk_fail@plt>
L45:
  leave
  ret
```

tool_calls: name: parse_data
arguments: data_tag: D45
type_guessed: string
name: parse_data
arguments: data_tag: D37
type_guessed: string
name: parse_data
arguments: data_tag: D36
type_guessed: string
name: parse_data
arguments: data_tag: D48
type_guessed: string
name: parse_data
arguments: data_tag: D8
type_guessed: string

tool: D45: malloc

tool: D37: GPF_supL

tool: D36: .wni

tool: D48: r

tool: D8: w

assistant: ```c
void GPF_supL(char *f, int n) {
  void *M;
  char *f2;
  char l[512];
  FILE *fIn, *fOut;
  int i = 1;
  if ((M = malloc(strlen(f) + 5)) == NULL)
    stopErr("GPF_supL", "malloc");
  f2 = (char *)M;
  strcpy(f2, f);
  f2 += strlen(f);
  strcpy(f2, ".wni");
  f2 = (char *)M;
  if ((fIn = fopen(f, "r")) != NULL) {
    if ((fOut = fopen(f2, "w")) != NULL) {
      while (fgets(l, sizeof(l), fIn)) {
        if (i != n)
          fputs(l, fOut);
        i++;
      }
      fclose(fOut);
    }
    fclose(fIn);
    rename(f2, f);
  }
  free(M);
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<GPF_supL>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x228,%rsp
  mov    %rdi,%r13
  mov    %esi,%r14d
  mov    %fs:0x28,%rax
  mov    %rax,0x218(%rsp)
  xor    %eax,%eax
  call   <strlen@plt>
  lea    0x5(%rax),%rdi
  call   <malloc@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  je     L85
L68:
  mov    %r13,%rsi
  mov    %rbp,%rdi
  call   <strcpy@plt>
  mov    %r13,%rdi
  call   <strlen@plt>
  lea    0x0(%rbp,%rax,1),%rdi
  lea    D16(%rip),%rsi
  call   <strcpy@plt>
  lea    D45(%rip),%rsi
  mov    %r13,%rdi
  call   <fopen@plt>
  mov    %rax,%r12
  test   %rax,%rax
  je     L4
  lea    D14(%rip),%rsi
  mov    %rbp,%rdi
  call   <fopen@plt>
  mov    %rax,0x8(%rsp)
  mov    $0x1,%ebx
  lea    0x10(%rsp),%r15
  test   %rax,%rax
  jne    L8
  jmp    L1
L85:
  lea    D12(%rip),%rsi
  lea    D5(%rip),%rdi
  call   <stopErr@plt>
  jmp    L68
L31:
  add    $0x1,%ebx
L8:
  mov    %r12,%rdx
  mov    $0x200,%esi
  mov    %r15,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  je     L13
  cmp    %r14d,%ebx
  je     L31
  mov    0x8(%rsp),%rsi
  mov    %r15,%rdi
  call   <fputs@plt>
  jmp    L31
L13:
  mov    0x8(%rsp),%rdi
  call   <fclose@plt>
L1:
  mov    %r12,%rdi
  call   <fclose@plt>
  mov    %r13,%rsi
  mov    %rbp,%rdi
  call   <rename@plt>
L4:
  mov    %rbp,%rdi
  call   <free@plt>
  mov    0x218(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L58
  add    $0x228,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L58:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: tag: D16
type: string
name: parse_data
arguments: tag: D45
type: string
name: parse_data
arguments: tag: D14
type: string
name: parse_data
arguments: tag: D12
type: string
name: parse_data
arguments: tag: D5
type: string

tool: D16: .wni

tool: D45: r

tool: D14: w

tool: D12: malloc

tool: D5: GPF_supL

assistant: ```c
void GPF_supL(char *f, int n) {
  void *M;
  char *f2;
  char l[512];
  FILE *fIn, *fOut;
  int i = 1;
  if ((M = malloc(strlen(f) + 5)) == NULL)
    stopErr("GPF_supL", "malloc");
  f2 = (char *)M;
  strcpy(f2, f);
  f2 += strlen(f);
  strcpy(f2, ".wni");
  f2 = (char *)M;
  if ((fIn = fopen(f, "r")) != NULL) {
    if ((fOut = fopen(f2, "w")) != NULL) {
      while (fgets(l, sizeof(l), fIn)) {
        if (i != n)
          fputs(l, fOut);
        i++;
      }
      fclose(fOut);
    }
    fclose(fIn);
    rename(f2, f);
  }
  free(M);
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<GPF_supL>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  mov    %rdi,%r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x228,%rsp
  mov    %esi,0xc(%rsp)
  mov    %fs:0x28,%rax
  mov    %rax,0x218(%rsp)
  xor    %eax,%eax
  call   <strlen@plt>
  lea    0x5(%rax),%rdi
  call   <malloc@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  je     L42
L46:
  mov    %r13,%rsi
  mov    %rbp,%rdi
  call   <strcpy@plt>
  mov    %r13,%rdi
  call   <strlen@plt>
  lea    D6(%rip),%rsi
  lea    0x0(%rbp,%rax,1),%rdi
  call   <strcpy@plt>
  lea    D33(%rip),%rsi
  mov    %r13,%rdi
  call   <fopen@plt>
  mov    %rax,%r12
  test   %rax,%rax
  je     L45
  lea    D40(%rip),%rsi
  mov    %rbp,%rdi
  mov    $0x1,%ebx
  call   <fopen@plt>
  lea    0x10(%rsp),%r14
  mov    %rax,%r15
  test   %rax,%rax
  jne    L78
L37:
  mov    %r12,%rdi
  call   <fclose@plt>
  mov    %r13,%rsi
  mov    %rbp,%rdi
  call   <rename@plt>
L45:
  mov    %rbp,%rdi
  call   <free@plt>
  mov    0x218(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L24
  add    $0x228,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   (%rax)
L19:
  cmp    0xc(%rsp),%ebx
  je     L30
  mov    %r15,%rsi
  mov    %r14,%rdi
  call   <fputs@plt>
L30:
  add    $0x1,%ebx
L78:
  mov    %r12,%rdx
  mov    $0x200,%esi
  mov    %r14,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  jne    L19
  mov    %r15,%rdi
  call   <fclose@plt>
  jmp    L37
L42:
  lea    D32(%rip),%rsi
  lea    D10(%rip),%rdi
  call   <stopErr@plt>
  jmp    L46
L24:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: data_label: D6
type: string
name: parse_data
arguments: data_label: D33
type: string
name: parse_data
arguments: data_label: D40
type: string
name: parse_data
arguments: data_label: D32
type: string
name: parse_data
arguments: data_label: D10
type: string

tool: D6: .wni

tool: D33: r

tool: D40: w

tool: D32: malloc

tool: D10: GPF_supL

assistant: ```c
void GPF_supL(char *f, int n) {
  void *M;
  char *f2;
  char l[512];
  FILE *fIn, *fOut;
  int i = 1;
  if ((M = malloc(strlen(f) + 5)) == NULL)
    stopErr("GPF_supL", "malloc");
  f2 = (char *)M;
  strcpy(f2, f);
  f2 += strlen(f);
  strcpy(f2, ".wni");
  f2 = (char *)M;
  if ((fIn = fopen(f, "r")) != NULL) {
    if ((fOut = fopen(f2, "w")) != NULL) {
      while (fgets(l, sizeof(l), fIn)) {
        if (i != n)
          fputs(l, fOut);
        i++;
      }
      fclose(fOut);
    }
    fclose(fIn);
    rename(f2, f);
  }
  free(M);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<GPF_supL>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  mov    %rdi,%r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x228,%rsp
  mov    %esi,0xc(%rsp)
  mov    %fs:0x28,%rax
  mov    %rax,0x218(%rsp)
  xor    %eax,%eax
  call   <strlen@plt>
  lea    0x5(%rax),%rdi
  call   <malloc@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  je     L69
L42:
  mov    %r13,%rsi
  mov    %rbp,%rdi
  call   <strcpy@plt>
  mov    %r13,%rdi
  call   <strlen@plt>
  lea    D5(%rip),%rsi
  lea    0x0(%rbp,%rax,1),%rdi
  call   <strcpy@plt>
  lea    D26(%rip),%rsi
  mov    %r13,%rdi
  call   <fopen@plt>
  mov    %rax,%r12
  test   %rax,%rax
  je     L60
  lea    D3(%rip),%rsi
  mov    %rbp,%rdi
  mov    $0x1,%ebx
  call   <fopen@plt>
  lea    0x10(%rsp),%r14
  mov    %rax,%r15
  test   %rax,%rax
  jne    L74
L1:
  mov    %r12,%rdi
  call   <fclose@plt>
  mov    %r13,%rsi
  mov    %rbp,%rdi
  call   <rename@plt>
L60:
  mov    %rbp,%rdi
  call   <free@plt>
  mov    0x218(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L50
  add    $0x228,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   (%rax)
L25:
  cmp    0xc(%rsp),%ebx
  je     L45
  mov    %r15,%rsi
  mov    %r14,%rdi
  call   <fputs@plt>
L45:
  add    $0x1,%ebx
L74:
  mov    %r12,%rdx
  mov    $0x200,%esi
  mov    %r14,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  jne    L25
  mov    %r15,%rdi
  call   <fclose@plt>
  jmp    L1
L69:
  lea    D40(%rip),%rsi
  lea    D31(%rip),%rdi
  call   <stopErr@plt>
  jmp    L42
L50:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: tag: D5
type_guessed: string
name: retrieve_data
arguments: tag: D26
type_guessed: string
name: retrieve_data
arguments: tag: D3
type_guessed: string
name: retrieve_data
arguments: tag: D40
type_guessed: string
name: retrieve_data
arguments: tag: D31
type_guessed: string

tool: D5: .wni

tool: D26: r

tool: D3: w

tool: D40: malloc

tool: D31: GPF_supL

assistant: ```c
void GPF_supL(char *f, int n) {
  void *M;
  char *f2;
  char l[512];
  FILE *fIn, *fOut;
  int i = 1;
  if ((M = malloc(strlen(f) + 5)) == NULL)
    stopErr("GPF_supL", "malloc");
  f2 = (char *)M;
  strcpy(f2, f);
  f2 += strlen(f);
  strcpy(f2, ".wni");
  f2 = (char *)M;
  if ((fIn = fopen(f, "r")) != NULL) {
    if ((fOut = fopen(f2, "w")) != NULL) {
      while (fgets(l, sizeof(l), fIn)) {
        if (i != n)
          fputs(l, fOut);
        i++;
      }
      fclose(fOut);
    }
    fclose(fIn);
    rename(f2, f);
  }
  free(M);
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<char_code>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x4(%rbp)
  cmpl   $0x4,-0x4(%rbp)
  ja     L39
  mov    -0x4(%rbp),%eax
  lea    0x0(,%rax,4),%rdx
  lea    D1(%rip),%rax
  mov    (%rdx,%rax,1),%eax
  cltq
  lea    D1(%rip),%rdx
  add    %rdx,%rax
  notrack jmp *%rax
  mov    $0x43,%eax
  jmp    L43
  mov    $0x47,%eax
  jmp    L43
  mov    $0x41,%eax
  jmp    L43
  mov    $0x54,%eax
  jmp    L43
  mov    $0x4e,%eax
  jmp    L43
L39:
  mov    $0x3f,%eax
L43:
  pop    %rbp
  ret
```

assistant: ```c
char char_code(uint c) {
  switch (c) {
  case 1:
    return 'C';
  case 2:
    return 'G';
  case 3:
    return 'A';
  case 4:
    return 'T';
  case 0:
    return 'N';
  default:
    return '?';
  }
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<char_code>:
  endbr64
  cmp    $0x4,%edi
  ja     L9
  mov    %edi,%edi
  lea    D4(%rip),%rdx
  movslq (%rdx,%rdi,4),%rax
  add    %rdx,%rax
  notrack jmp *%rax
  mov    $0x47,%eax
  ret
  mov    $0x41,%eax
  ret
  mov    $0x54,%eax
  ret
  mov    $0x4e,%eax
  ret
L9:
  mov    $0x3f,%eax
  ret
  mov    $0x43,%eax
  ret
```

assistant: ```c
char char_code(uint c) {
  switch (c) {
  case 1:
    return 'C';
  case 2:
    return 'G';
  case 3:
    return 'A';
  case 4:
    return 'T';
  case 0:
    return 'N';
  default:
    return '?';
  }
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<char_code>:
  endbr64
  mov    $0x3f,%eax
  cmp    $0x4,%edi
  ja     L6
  mov    %edi,%edi
  lea    D1(%rip),%rax
  movzbl (%rax,%rdi,1),%eax
L6:
  ret
```

assistant: ```c
char char_code(uint c) {
  switch (c) {
  case 1:
    return 'C';
  case 2:
    return 'G';
  case 3:
    return 'A';
  case 4:
    return 'T';
  case 0:
    return 'N';
  default:
    return '?';
  }
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<char_code>:
  endbr64
  mov    $0x3f,%eax
  cmp    $0x4,%edi
  ja     L2
  mov    %edi,%edi
  lea    D8(%rip),%rax
  movzbl (%rax,%rdi,1),%eax
L2:
  ret
```

assistant: ```c
char char_code(uint c) {
  switch (c) {
  case 1:
    return 'C';
  case 2:
    return 'G';
  case 3:
    return 'A';
  case 4:
    return 'T';
  case 0:
    return 'N';
  default:
    return '?';
  }
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<read16u>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <fgetc@plt>
  mov    %eax,-0x4(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <fgetc@plt>
  shl    $0x8,%eax
  add    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  leave
  ret
```

assistant: ```c
unsigned short read16u(FILE *f) {
  int n;
  n = fgetc(f);
  n += fgetc(f) << 8;
  return n;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<read16u>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbx
  call   <fgetc@plt>
  mov    %eax,%ebp
  mov    %rbx,%rdi
  call   <fgetc@plt>
  shl    $0x8,%eax
  add    %ebp,%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
unsigned short read16u(FILE *f) {
  int n;
  n = fgetc(f);
  n += fgetc(f) << 8;
  return n;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<read16u>:
  endbr64
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  sub    $0x8,%rsp
  call   <fgetc@plt>
  mov    %rbp,%rdi
  mov    %eax,%ebx
  call   <fgetc@plt>
  add    $0x8,%rsp
  shl    $0x8,%eax
  add    %ebx,%eax
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
unsigned short read16u(FILE *f) {
  int n;
  n = fgetc(f);
  n += fgetc(f) << 8;
  return n;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<read16u>:
  endbr64
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  sub    $0x8,%rsp
  call   <fgetc@plt>
  mov    %rbp,%rdi
  mov    %eax,%ebx
  call   <fgetc@plt>
  add    $0x8,%rsp
  shl    $0x8,%eax
  add    %ebx,%eax
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
unsigned short read16u(FILE *f) {
  int n;
  n = fgetc(f);
  n += fgetc(f) << 8;
  return n;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<gettimeofdayoriginal>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    -0x10(%rbp),%rdx
  mov    -0x8(%rbp),%rax
  mov    %rax,%rsi
  mov    $0x13a,%edi
  call   <syscall@plt>
  nop
  leave
  ret
```

assistant: ```c
void gettimeofdayoriginal(struct timeval *tv, struct timezone *tz) {
  syscall(314, tv, tz);
  return;
  syscall(351, tv, tz);
  return;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<gettimeofdayoriginal>:
  endbr64
  sub    $0x8,%rsp
  mov    %rsi,%rdx
  mov    %rdi,%rsi
  mov    $0x13a,%edi
  call   <syscall@plt>
  add    $0x8,%rsp
  ret
```

assistant: ```c
void gettimeofdayoriginal(struct timeval *tv, struct timezone *tz) {
  syscall(314, tv, tz);
  return;
  syscall(351, tv, tz);
  return;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<gettimeofdayoriginal>:
  endbr64
  mov    %rsi,%rdx
  mov    %rdi,%rsi
  mov    $0x13a,%edi
  jmp    1050 <syscall@plt>
```

assistant: ```c
void gettimeofdayoriginal(struct timeval *tv, struct timezone *tz) {
  syscall(314, tv, tz);
  return;
  syscall(351, tv, tz);
  return;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<gettimeofdayoriginal>:
  endbr64
  mov    %rsi,%rdx
  mov    %rdi,%rsi
  mov    $0x13a,%edi
  jmp    1050 <syscall@plt>
```

assistant: ```c
void gettimeofdayoriginal(struct timeval *tv, struct timezone *tz) {
  syscall(314, tv, tz);
  return;
  syscall(351, tv, tz);
  return;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<printn>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  mov    %rcx,-0x30(%rbp)
  cmpq   $0x0,-0x30(%rbp)
  jns    L10
  mov    -0x20(%rbp),%rax
  mov    -0x18(%rbp),%rdx
  mov    $0x2d,%esi
  mov    %rax,%rdi
  call   *%rdx
  mov    %rax,-0x20(%rbp)
  mov    -0x28(%rbp),%rax
  mov    (%rax),%eax
  lea    0x1(%rax),%edx
  mov    -0x28(%rbp),%rax
  mov    %edx,(%rax)
  negq   -0x30(%rbp)
L10:
  mov    -0x30(%rbp),%rcx
  movabs $0x6666666666666667,%rdx
  mov    %rcx,%rax
  imul   %rdx
  mov    %rdx,%rax
  sar    $0x2,%rax
  sar    $0x3f,%rcx
  mov    %rcx,%rdx
  sub    %rdx,%rax
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  je     L4
  mov    -0x8(%rbp),%rcx
  mov    -0x28(%rbp),%rdx
  mov    -0x20(%rbp),%rsi
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <printn>
  mov    %rax,-0x20(%rbp)
L4:
  mov    -0x30(%rbp),%rcx
  movabs $0x6666666666666667,%rdx
  mov    %rcx,%rax
  imul   %rdx
  mov    %rdx,%rax
  sar    $0x2,%rax
  mov    %rcx,%rsi
  sar    $0x3f,%rsi
  sub    %rsi,%rax
  mov    %rax,%rdx
  mov    %rdx,%rax
  shl    $0x2,%rax
  add    %rdx,%rax
  add    %rax,%rax
  sub    %rax,%rcx
  mov    %rcx,%rdx
  mov    %edx,%eax
  add    $0x30,%eax
  movsbl %al,%edx
  mov    -0x20(%rbp),%rax
  mov    -0x18(%rbp),%rcx
  mov    %edx,%esi
  mov    %rax,%rdi
  call   *%rcx
  mov    %rax,-0x20(%rbp)
  mov    -0x28(%rbp),%rax
  mov    (%rax),%eax
  lea    0x1(%rax),%edx
  mov    -0x28(%rbp),%rax
  mov    %edx,(%rax)
  mov    -0x20(%rbp),%rax
  leave
  ret
```

assistant: ```c
void *printn(void *(*emit)(void *, char), void *arg, int *nchar, long n) {
  long a;
  if (n < 0) {
    arg = emit(arg, '-');
    (*nchar)++;
    n = -n;
  }
  a = n / 10;
  if (a != 0) {
    arg = printn(emit, arg, nchar, a);
  }
  arg = emit(arg, n % 10 + '0');
  (*nchar)++;
  return arg;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<printn>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%r12
  mov    %rsi,%rdi
  mov    %rdx,%rbp
  mov    %rcx,%rbx
  test   %rcx,%rcx
  js     L34
L1:
  movabs $0x6666666666666667,%rdx
  mov    %rbx,%rax
  imul   %rdx
  sar    $0x2,%rdx
  mov    %rbx,%rax
  sar    $0x3f,%rax
  sub    %rax,%rdx
  jne    L26
L27:
  movabs $0x6666666666666667,%rdx
  mov    %rbx,%rax
  imul   %rdx
  sar    $0x2,%rdx
  mov    %rbx,%rax
  sar    $0x3f,%rax
  sub    %rax,%rdx
  lea    (%rdx,%rdx,4),%rax
  add    %rax,%rax
  sub    %rax,%rbx
  lea    0x30(%rbx),%esi
  movsbl %sil,%esi
  call   *%r12
  addl   $0x1,0x0(%rbp)
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L34:
  mov    $0x2d,%esi
  call   *%r12
  mov    %rax,%rdi
  addl   $0x1,0x0(%rbp)
  neg    %rbx
  jmp    L1
L26:
  mov    %rdx,%rcx
  mov    %rbp,%rdx
  mov    %rdi,%rsi
  mov    %r12,%rdi
  call   <printn>
  mov    %rax,%rdi
  jmp    L27
```

assistant: ```c
void *printn(void *(*emit)(void *, char), void *arg, int *nchar, long n) {
  long a;
  if (n < 0) {
    arg = emit(arg, '-');
    (*nchar)++;
    n = -n;
  }
  a = n / 10;
  if (a != 0) {
    arg = printn(emit, arg, nchar, a);
  }
  arg = emit(arg, n % 10 + '0');
  (*nchar)++;
  return arg;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<printn>:
  endbr64
  push   %r12
  mov    %rdi,%r12
  mov    %rsi,%rdi
  push   %rbp
  mov    %rdx,%rbp
  push   %rbx
  mov    %rcx,%rbx
  test   %rcx,%rcx
  jns    L16
  mov    $0x2d,%esi
  neg    %rbx
  call   *%r12
  addl   $0x1,0x0(%rbp)
  mov    %rax,%rdi
L16:
  movabs $0xcccccccccccccccd,%rdx
  mov    %rbx,%rax
  mul    %rdx
  shr    $0x3,%rdx
  jne    L24
L19:
  movabs $0xcccccccccccccccd,%rdx
  mov    %rbx,%rax
  mul    %rdx
  shr    $0x3,%rdx
  lea    (%rdx,%rdx,4),%rax
  add    %rax,%rax
  sub    %rax,%rbx
  lea    0x30(%rbx),%esi
  movzbl %sil,%esi
  call   *%r12
  pop    %rbx
  addl   $0x1,0x0(%rbp)
  pop    %rbp
  pop    %r12
  ret
  nopw   0x0(%rax,%rax,1)
L24:
  mov    %rdx,%rcx
  mov    %rdi,%rsi
  mov    %rbp,%rdx
  mov    %r12,%rdi
  call   <printn>
  mov    %rax,%rdi
  jmp    L19
```

assistant: ```c
void *printn(void *(*emit)(void *, char), void *arg, int *nchar, long n) {
  long a;
  if (n < 0) {
    arg = emit(arg, '-');
    (*nchar)++;
    n = -n;
  }
  a = n / 10;
  if (a != 0) {
    arg = printn(emit, arg, nchar, a);
  }
  arg = emit(arg, n % 10 + '0');
  (*nchar)++;
  return arg;
}
```