ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 这段汇编代码用C语言表示是什么样的?

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    $0x0,%r9d
  mov    $0x0,%r8d
  mov    $0x0,%ecx
  mov    $0x0,%edx
  mov    $0x1,%esi
  mov    $0xffffffff,%edi
  call   <verify_abs@plt>
  mov    $0x0,%r9d
  mov    $0x0,%r8d
  mov    $0x0,%ecx
  mov    $0x1,%edx
  mov    $0x80000000,%esi
  mov    $0x80000000,%edi
  call   <verify_abs@plt>
  mov    $0x0,%r9d
  mov    $0x0,%r8d
  mov    $0x0,%ecx
  mov    $0x0,%edx
  mov    $0x7fffffff,%esi
  mov    $0x7fffffff,%edi
  call   <verify_abs@plt>
  mov    $0x0,%r9d
  mov    $0x0,%r8d
  mov    $0x0,%ecx
  mov    $0x0,%edx
  mov    $0x2a,%esi
  mov    $0x2a,%edi
  call   <verify_abs@plt>
  mov    $0x0,%r9d
  mov    $0x0,%r8d
  mov    $0x0,%ecx
  mov    $0x0,%edx
  mov    $0x1,%esi
  mov    $0x1,%edi
  call   <verify_abs@plt>
  mov    $0x0,%r9d
  mov    $0x0,%r8d
  mov    $0x0,%ecx
  mov    $0x0,%edx
  mov    $0xffff,%esi
  mov    $0xffff,%edi
  call   <verify_abs@plt>
  mov    $0x0,%r9d
  mov    $0x0,%r8d
  mov    $0x0,%ecx
  mov    $0x0,%edx
  mov    $0xffff,%esi
  mov    $0xffff,%edi
  call   <verify_abs@plt>
  mov    $0x0,%r9d
  mov    $0x0,%r8d
  mov    $0x0,%ecx
  mov    $0x0,%edx
  mov    $0x1f,%esi
  mov    $0xffffffe1,%edi
  call   <verify_abs@plt>
  mov    $0x0,%r9d
  mov    $0x0,%r8d
  mov    $0x1,%ecx
  mov    $0x0,%edx
  mov    $0x0,%esi
  mov    $0x0,%edi
  call   <verify_abs@plt>
  mov    $0x0,%eax
  call   <pass@plt>
  mov    $0x0,%eax
  pop    %rbp
  ret
```

assistant: ```c
int main(void) {
  verify_abs(-1, 1, 0, 0, 0, 0);
  verify_abs(0x80000000, 0x80000000, 1, 0, 0, 0);
  verify_abs(0x7fffffff, 0x7fffffff, 0, 0, 0, 0);
  verify_abs(42, 42, 0, 0, 0, 0);
  verify_abs(1, 1, 0, 0, 0, 0);
  verify_abs(0xffff, 0xffff, 0, 0, 0, 0);
  verify_abs(0xffff, 0xffff, 0, 0, 0, 0);
  verify_abs(-31, 0x1f, 0, 0, 0, 0);
  verify_abs(0, 0, 0, 1, 0, 0);
  pass();
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x0,%r9d
  mov    $0x0,%r8d
  mov    $0x0,%ecx
  mov    $0x0,%edx
  mov    $0x1,%esi
  mov    $0xffffffff,%edi
  call   <verify_abs@plt>
  mov    $0x0,%r9d
  mov    $0x0,%r8d
  mov    $0x0,%ecx
  mov    $0x1,%edx
  mov    $0x80000000,%esi
  mov    $0x80000000,%edi
  call   <verify_abs@plt>
  mov    $0x0,%r9d
  mov    $0x0,%r8d
  mov    $0x0,%ecx
  mov    $0x0,%edx
  mov    $0x7fffffff,%esi
  mov    $0x7fffffff,%edi
  call   <verify_abs@plt>
  mov    $0x0,%r9d
  mov    $0x0,%r8d
  mov    $0x0,%ecx
  mov    $0x0,%edx
  mov    $0x2a,%esi
  mov    $0x2a,%edi
  call   <verify_abs@plt>
  mov    $0x0,%r9d
  mov    $0x0,%r8d
  mov    $0x0,%ecx
  mov    $0x0,%edx
  mov    $0x1,%esi
  mov    $0x1,%edi
  call   <verify_abs@plt>
  mov    $0x0,%r9d
  mov    $0x0,%r8d
  mov    $0x0,%ecx
  mov    $0x0,%edx
  mov    $0xffff,%esi
  mov    $0xffff,%edi
  call   <verify_abs@plt>
  mov    $0x0,%r9d
  mov    $0x0,%r8d
  mov    $0x0,%ecx
  mov    $0x0,%edx
  mov    $0xffff,%esi
  mov    $0xffff,%edi
  call   <verify_abs@plt>
  mov    $0x0,%r9d
  mov    $0x0,%r8d
  mov    $0x0,%ecx
  mov    $0x0,%edx
  mov    $0x1f,%esi
  mov    $0xffffffe1,%edi
  call   <verify_abs@plt>
  mov    $0x0,%r9d
  mov    $0x0,%r8d
  mov    $0x1,%ecx
  mov    $0x0,%edx
  mov    $0x0,%esi
  mov    $0x0,%edi
  call   <verify_abs@plt>
  mov    $0x0,%eax
  call   <pass@plt>
  mov    $0x0,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int main(void) {
  verify_abs(-1, 1, 0, 0, 0, 0);
  verify_abs(0x80000000, 0x80000000, 1, 0, 0, 0);
  verify_abs(0x7fffffff, 0x7fffffff, 0, 0, 0, 0);
  verify_abs(42, 42, 0, 0, 0, 0);
  verify_abs(1, 1, 0, 0, 0, 0);
  verify_abs(0xffff, 0xffff, 0, 0, 0, 0);
  verify_abs(0xffff, 0xffff, 0, 0, 0, 0);
  verify_abs(-31, 0x1f, 0, 0, 0, 0);
  verify_abs(0, 0, 0, 1, 0, 0);
  pass();
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  xor    %r9d,%r9d
  xor    %r8d,%r8d
  xor    %ecx,%ecx
  xor    %edx,%edx
  mov    $0x1,%esi
  mov    $0xffffffff,%edi
  call   <verify_abs@plt>
  xor    %r9d,%r9d
  xor    %r8d,%r8d
  xor    %ecx,%ecx
  mov    $0x1,%edx
  mov    $0x80000000,%esi
  mov    $0x80000000,%edi
  call   <verify_abs@plt>
  xor    %r9d,%r9d
  xor    %r8d,%r8d
  xor    %ecx,%ecx
  xor    %edx,%edx
  mov    $0x7fffffff,%esi
  mov    $0x7fffffff,%edi
  call   <verify_abs@plt>
  xor    %r9d,%r9d
  xor    %r8d,%r8d
  xor    %ecx,%ecx
  xor    %edx,%edx
  mov    $0x2a,%esi
  mov    $0x2a,%edi
  call   <verify_abs@plt>
  xor    %r9d,%r9d
  xor    %r8d,%r8d
  xor    %ecx,%ecx
  xor    %edx,%edx
  mov    $0x1,%esi
  mov    $0x1,%edi
  call   <verify_abs@plt>
  xor    %r9d,%r9d
  xor    %r8d,%r8d
  xor    %edx,%edx
  xor    %ecx,%ecx
  mov    $0xffff,%esi
  mov    $0xffff,%edi
  call   <verify_abs@plt>
  xor    %r9d,%r9d
  xor    %r8d,%r8d
  mov    $0xffff,%esi
  xor    %ecx,%ecx
  mov    $0xffff,%edi
  xor    %edx,%edx
  call   <verify_abs@plt>
  xor    %r9d,%r9d
  xor    %r8d,%r8d
  xor    %ecx,%ecx
  xor    %edx,%edx
  mov    $0x1f,%esi
  mov    $0xffffffe1,%edi
  call   <verify_abs@plt>
  xor    %r9d,%r9d
  xor    %r8d,%r8d
  mov    $0x1,%ecx
  xor    %edx,%edx
  xor    %esi,%esi
  xor    %edi,%edi
  call   <verify_abs@plt>
  xor    %eax,%eax
  call   <pass@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int main(void) {
  verify_abs(-1, 1, 0, 0, 0, 0);
  verify_abs(0x80000000, 0x80000000, 1, 0, 0, 0);
  verify_abs(0x7fffffff, 0x7fffffff, 0, 0, 0, 0);
  verify_abs(42, 42, 0, 0, 0, 0);
  verify_abs(1, 1, 0, 0, 0, 0);
  verify_abs(0xffff, 0xffff, 0, 0, 0, 0);
  verify_abs(0xffff, 0xffff, 0, 0, 0, 0);
  verify_abs(-31, 0x1f, 0, 0, 0, 0);
  verify_abs(0, 0, 0, 1, 0, 0);
  pass();
  return 0;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  xor    %r9d,%r9d
  xor    %r8d,%r8d
  xor    %ecx,%ecx
  xor    %edx,%edx
  mov    $0x1,%esi
  mov    $0xffffffff,%edi
  call   <verify_abs@plt>
  xor    %r9d,%r9d
  xor    %r8d,%r8d
  xor    %ecx,%ecx
  mov    $0x1,%edx
  mov    $0x80000000,%esi
  mov    $0x80000000,%edi
  call   <verify_abs@plt>
  xor    %r9d,%r9d
  xor    %r8d,%r8d
  xor    %ecx,%ecx
  xor    %edx,%edx
  mov    $0x7fffffff,%esi
  mov    $0x7fffffff,%edi
  call   <verify_abs@plt>
  xor    %r9d,%r9d
  xor    %r8d,%r8d
  xor    %ecx,%ecx
  xor    %edx,%edx
  mov    $0x2a,%esi
  mov    $0x2a,%edi
  call   <verify_abs@plt>
  xor    %r9d,%r9d
  xor    %r8d,%r8d
  xor    %ecx,%ecx
  xor    %edx,%edx
  mov    $0x1,%esi
  mov    $0x1,%edi
  call   <verify_abs@plt>
  xor    %r9d,%r9d
  xor    %r8d,%r8d
  xor    %edx,%edx
  xor    %ecx,%ecx
  mov    $0xffff,%esi
  mov    $0xffff,%edi
  call   <verify_abs@plt>
  xor    %r9d,%r9d
  xor    %r8d,%r8d
  mov    $0xffff,%esi
  xor    %ecx,%ecx
  mov    $0xffff,%edi
  xor    %edx,%edx
  call   <verify_abs@plt>
  xor    %r9d,%r9d
  xor    %r8d,%r8d
  xor    %ecx,%ecx
  xor    %edx,%edx
  mov    $0x1f,%esi
  mov    $0xffffffe1,%edi
  call   <verify_abs@plt>
  xor    %r9d,%r9d
  xor    %r8d,%r8d
  mov    $0x1,%ecx
  xor    %edx,%edx
  xor    %esi,%esi
  xor    %edi,%edi
  call   <verify_abs@plt>
  xor    %eax,%eax
  call   <pass@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int main(void) {
  verify_abs(-1, 1, 0, 0, 0, 0);
  verify_abs(0x80000000, 0x80000000, 1, 0, 0, 0);
  verify_abs(0x7fffffff, 0x7fffffff, 0, 0, 0, 0);
  verify_abs(42, 42, 0, 0, 0, 0);
  verify_abs(1, 1, 0, 0, 0, 0);
  verify_abs(0xffff, 0xffff, 0, 0, 0, 0);
  verify_abs(0xffff, 0xffff, 0, 0, 0, 0);
  verify_abs(-31, 0x1f, 0, 0, 0, 0);
  verify_abs(0, 0, 0, 1, 0, 0);
  pass();
  return 0;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<print_string>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %rdi,-0x8(%rbp)
  jmp    L2
L6:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <kernel_print_character@plt>
  addq   $0x1,-0x8(%rbp)
L2:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L6
  nop
  nop
  leave
  ret
```

assistant: ```c
void print_string(const char *string) {
  while (*string) {
    kernel_print_character(*string);
    string++;
  }
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<print_string>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  movzbl (%rdi),%edi
  test   %dil,%dil
  je     L14
L13:
  movsbl %dil,%edi
  call   <kernel_print_character@plt>
  add    $0x1,%rbx
  movzbl (%rbx),%edi
  test   %dil,%dil
  jne    L13
L14:
  pop    %rbx
  ret
```

assistant: ```c
void print_string(const char *string) {
  while (*string) {
    kernel_print_character(*string);
    string++;
  }
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<print_string>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  movsbl (%rdi),%edi
  test   %dil,%dil
  je     L16
L0:
  call   <kernel_print_character@plt>
  movsbl 0x1(%rbx),%edi
  add    $0x1,%rbx
  test   %dil,%dil
  jne    L0
L16:
  pop    %rbx
  ret
```

assistant: ```c
void print_string(const char *string) {
  while (*string) {
    kernel_print_character(*string);
    string++;
  }
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<print_string>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  movsbl (%rdi),%edi
  test   %dil,%dil
  je     L1
L17:
  call   <kernel_print_character@plt>
  movsbl 0x1(%rbx),%edi
  add    $0x1,%rbx
  test   %dil,%dil
  jne    L17
L1:
  pop    %rbx
  ret
```

assistant: ```c
void print_string(const char *string) {
  while (*string) {
    kernel_print_character(*string);
    string++;
  }
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<parse_time>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %rdx,-0x38(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    -0x28(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  movl   $0x0,-0x18(%rbp)
  movl   $0x0,-0x14(%rbp)
  mov    -0x38(%rbp),%rax
  movq   $0x0,(%rax)
  mov    -0x38(%rbp),%rax
  mov    (%rax),%rdx
  mov    -0x30(%rbp),%rax
  mov    %rdx,(%rax)
  mov    -0x28(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2d,%al
  jne    L22
  mov    -0x10(%rbp),%rax
  jmp    L8
L22:
  mov    -0x10(%rbp),%rax
  lea    -0x10(%rbp),%rcx
  mov    $0xa,%edx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strtol@plt>
  mov    %eax,-0x18(%rbp)
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x3a,%al
  jne    L42
  mov    -0x18(%rbp),%eax
  imul   $0x3c,%eax,%eax
  mov    %eax,-0x18(%rbp)
  mov    -0x10(%rbp),%rax
  add    $0x1,%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x10(%rbp),%rax
  lea    -0x10(%rbp),%rcx
  mov    $0xa,%edx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strtol@plt>
  add    %eax,-0x18(%rbp)
L42:
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2e,%al
  jne    L45
  mov    -0x10(%rbp),%rax
  add    $0x1,%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x10(%rbp),%rax
  lea    -0x10(%rbp),%rcx
  mov    $0xa,%edx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strtol@plt>
  mov    %eax,-0x14(%rbp)
L45:
  mov    -0x18(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x30(%rbp),%rax
  mov    %rdx,(%rax)
  mov    -0x14(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x38(%rbp),%rax
  mov    %rdx,(%rax)
  mov    -0x10(%rbp),%rax
L8:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L38
  call   <__stack_chk_fail@plt>
L38:
  leave
  ret
```

assistant: ```c
char *parse_time(char *str, long *rsec, long *rmsec) {
  char *cp = str;
  int sec = 0, msec = 0;
  *rsec = *rmsec = 0;
  cp = str;
  if (*cp == '-') {
    return cp;
  }
  sec = strtol(cp, &cp, 10);
  if (*cp == ':') {
    sec *= 60;
    cp++;
    sec += strtol(cp, &cp, 10);
  }
  if (*cp == '.') {
    cp++;
    msec = strtol(cp, &cp, 10);
  }
  *rsec = sec;
  *rmsec = msec;
  return cp;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<parse_time>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  mov    %rdi,(%rsp)
  movq   $0x0,(%rdx)
  movq   $0x0,(%rsi)
  mov    %rdi,%rax
  cmpb   $0x2d,(%rdi)
  je     L12
  mov    %rsi,%rbp
  mov    %rdx,%rbx
  mov    %rsp,%rsi
  mov    $0xa,%edx
  call   <strtol@plt>
  mov    %eax,%r12d
  mov    (%rsp),%rdi
  cmpb   $0x3a,(%rdi)
  je     L48
L57:
  mov    (%rsp),%rdi
  mov    $0x0,%eax
  cmpb   $0x2e,(%rdi)
  je     L43
L38:
  movslq %r12d,%r12
  mov    %r12,0x0(%rbp)
  cltq
  mov    %rax,(%rbx)
  mov    (%rsp),%rax
L12:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L59
  add    $0x10,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L48:
  imul   $0x3c,%eax,%r12d
  add    $0x1,%rdi
  mov    %rdi,(%rsp)
  mov    %rsp,%rsi
  mov    $0xa,%edx
  call   <strtol@plt>
  add    %eax,%r12d
  jmp    L57
L43:
  add    $0x1,%rdi
  mov    %rdi,(%rsp)
  mov    %rsp,%rsi
  mov    $0xa,%edx
  call   <strtol@plt>
  jmp    L38
L59:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
char *parse_time(char *str, long *rsec, long *rmsec) {
  char *cp = str;
  int sec = 0, msec = 0;
  *rsec = *rmsec = 0;
  cp = str;
  if (*cp == '-') {
    return cp;
  }
  sec = strtol(cp, &cp, 10);
  if (*cp == ':') {
    sec *= 60;
    cp++;
    sec += strtol(cp, &cp, 10);
  }
  if (*cp == '.') {
    cp++;
    msec = strtol(cp, &cp, 10);
  }
  *rsec = sec;
  *rmsec = msec;
  return cp;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<parse_time>:
  endbr64
  push   %r13
  mov    %rdi,%rax
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdx,%rbx
  sub    $0x18,%rsp
  mov    %fs:0x28,%rdx
  mov    %rdx,0x8(%rsp)
  xor    %edx,%edx
  movq   $0x0,(%rbx)
  movq   $0x0,(%rsi)
  cmpb   $0x2d,(%rdi)
  mov    %rdi,(%rsp)
  je     L36
  mov    %rsp,%r13
  mov    $0xa,%edx
  mov    %rsi,%rbp
  mov    %r13,%rsi
  call   <strtol@plt>
  mov    %eax,%r12d
  mov    (%rsp),%rax
  movzbl (%rax),%edx
  cmp    $0x3a,%dl
  je     L51
  xor    %ecx,%ecx
  cmp    $0x2e,%dl
  je     L33
L11:
  movslq %r12d,%r12
  mov    %r12,0x0(%rbp)
  mov    %rcx,(%rbx)
L36:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L46
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax)
L51:
  imul   $0x3c,%r12d,%r12d
  lea    0x1(%rax),%rdi
  mov    $0xa,%edx
  mov    %r13,%rsi
  mov    %rdi,(%rsp)
  call   <strtol@plt>
  xor    %ecx,%ecx
  add    %eax,%r12d
  mov    (%rsp),%rax
  movzbl (%rax),%edx
  cmp    $0x2e,%dl
  jne    L11
L33:
  lea    0x1(%rax),%rdi
  mov    $0xa,%edx
  mov    %r13,%rsi
  mov    %rdi,(%rsp)
  call   <strtol@plt>
  movslq %eax,%rcx
  mov    (%rsp),%rax
  jmp    L11
L46:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
char *parse_time(char *str, long *rsec, long *rmsec) {
  char *cp = str;
  int sec = 0, msec = 0;
  *rsec = *rmsec = 0;
  cp = str;
  if (*cp == '-') {
    return cp;
  }
  sec = strtol(cp, &cp, 10);
  if (*cp == ':') {
    sec *= 60;
    cp++;
    sec += strtol(cp, &cp, 10);
  }
  if (*cp == '.') {
    cp++;
    msec = strtol(cp, &cp, 10);
  }
  *rsec = sec;
  *rmsec = msec;
  return cp;
}
```
user: What is the c source code of the assembly code below?

```asm
<parse_time>:
  endbr64
  push   %r13
  mov    %rdi,%rax
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdx,%rbx
  sub    $0x18,%rsp
  mov    %fs:0x28,%rdx
  mov    %rdx,0x8(%rsp)
  xor    %edx,%edx
  movq   $0x0,(%rbx)
  movq   $0x0,(%rsi)
  cmpb   $0x2d,(%rdi)
  mov    %rdi,(%rsp)
  je     L43
  mov    %rsp,%r13
  mov    $0xa,%edx
  mov    %rsi,%rbp
  mov    %r13,%rsi
  call   <strtol@plt>
  mov    %eax,%r12d
  mov    (%rsp),%rax
  movzbl (%rax),%edx
  cmp    $0x3a,%dl
  je     L39
  xor    %ecx,%ecx
  cmp    $0x2e,%dl
  je     L37
L14:
  movslq %r12d,%r12
  mov    %r12,0x0(%rbp)
  mov    %rcx,(%rbx)
L43:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L35
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax)
L39:
  imul   $0x3c,%r12d,%r12d
  lea    0x1(%rax),%rdi
  mov    $0xa,%edx
  mov    %r13,%rsi
  mov    %rdi,(%rsp)
  call   <strtol@plt>
  xor    %ecx,%ecx
  add    %eax,%r12d
  mov    (%rsp),%rax
  movzbl (%rax),%edx
  cmp    $0x2e,%dl
  jne    L14
L37:
  lea    0x1(%rax),%rdi
  mov    $0xa,%edx
  mov    %r13,%rsi
  mov    %rdi,(%rsp)
  call   <strtol@plt>
  movslq %eax,%rcx
  mov    (%rsp),%rax
  jmp    L14
L35:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
char *parse_time(char *str, long *rsec, long *rmsec) {
  char *cp = str;
  int sec = 0, msec = 0;
  *rsec = *rmsec = 0;
  cp = str;
  if (*cp == '-') {
    return cp;
  }
  sec = strtol(cp, &cp, 10);
  if (*cp == ':') {
    sec *= 60;
    cp++;
    sec += strtol(cp, &cp, 10);
  }
  if (*cp == '.') {
    cp++;
    msec = strtol(cp, &cp, 10);
  }
  *rsec = sec;
  *rmsec = msec;
  return cp;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<read_u16b>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    -0x18(%rbp),%rdx
  lea    -0x10(%rbp),%rax
  mov    %rdx,%rcx
  mov    $0x1,%edx
  mov    $0x2,%esi
  mov    %rax,%rdi
  call   <fread@plt>
  cmp    $0x1,%eax
  je     L4
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <die_file_eof@plt>
L4:
  mov    -0xc(%rbp),%edx
  mov    -0x10(%rbp),%eax
  shl    $0x8,%eax
  add    %edx,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L17
  call   <__stack_chk_fail@plt>
L17:
  leave
  ret
```

assistant: ```c
u_int read_u16b(FILE *fp) {
  u_char b[2];
  if (fread(b, 2, 1, fp) != 1)
    die_file_eof(fp);
  return b[1] + (b[0] << 8);
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<read_u16b>:
  endbr64
  push   %rbx
  sub    $0x10,%rsp
  mov    %rdi,%rbx
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rdi
  mov    %rbx,%rcx
  mov    $0x1,%edx
  mov    $0x2,%esi
  call   <fread@plt>
  cmp    $0x1,%eax
  jne    L2
L5:
  mov    (%rsp),%eax
  shl    $0x8,%eax
  add    0x4(%rsp),%eax
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L23
  add    $0x10,%rsp
  pop    %rbx
  ret
L2:
  mov    %rbx,%rdi
  call   <die_file_eof@plt>
  jmp    L5
L23:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
u_int read_u16b(FILE *fp) {
  u_char b[2];
  if (fread(b, 2, 1, fp) != 1)
    die_file_eof(fp);
  return b[1] + (b[0] << 8);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<read_u16b>:
  endbr64
  push   %rbp
  mov    %rdi,%rbp
  mov    $0x1,%edx
  mov    $0x2,%esi
  mov    %rbp,%rcx
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rdi
  call   <fread@plt>
  cmp    $0x1,%eax
  je     L12
  mov    %rbp,%rdi
  call   <die_file_eof@plt>
L12:
  mov    (%rsp),%eax
  shl    $0x8,%eax
  add    0x4(%rsp),%eax
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L0
  add    $0x10,%rsp
  pop    %rbp
  ret
L0:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
u_int read_u16b(FILE *fp) {
  u_char b[2];
  if (fread(b, 2, 1, fp) != 1)
    die_file_eof(fp);
  return b[1] + (b[0] << 8);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<read_u16b>:
  endbr64
  push   %rbp
  mov    %rdi,%rbp
  mov    $0x1,%edx
  mov    $0x2,%esi
  mov    %rbp,%rcx
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rdi
  call   <fread@plt>
  cmp    $0x1,%eax
  je     L5
  mov    %rbp,%rdi
  call   <die_file_eof@plt>
L5:
  mov    (%rsp),%eax
  shl    $0x8,%eax
  add    0x4(%rsp),%eax
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L19
  add    $0x10,%rsp
  pop    %rbp
  ret
L19:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
u_int read_u16b(FILE *fp) {
  u_char b[2];
  if (fread(b, 2, 1, fp) != 1)
    die_file_eof(fp);
  return b[1] + (b[0] << 8);
}
```
user: Translate the below assembly code into C programming language:

```asm
<parse_port_number>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    -0x18(%rbp),%rax
  mov    $0x0,%edx
  mov    $0x0,%esi
  mov    %rax,%rdi
  call   <strtol@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x3ff,-0x8(%rbp)
  jle    L3
  cmpq   $0xbfff,-0x8(%rbp)
  jle    L28
L3:
  mov    $0xffffffff,%eax
  jmp    L21
L28:
  mov    -0x8(%rbp),%rax
  movzwl %ax,%eax
  mov    %eax,%edi
  call   <htons@plt>
  mov    -0x20(%rbp),%rdx
  mov    %ax,(%rdx)
  mov    $0x0,%eax
L21:
  leave
  ret
```

assistant: ```c
int parse_port_number(const char *input, unsigned short *output) {
  long tmp;
  tmp = strtol(input, NULL, 0);
  if (tmp < 1024 || tmp > 49151) {
    return -1;
  }
  *output = htons((unsigned short)tmp);
  return 0;
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<parse_port_number>:
  endbr64
  push   %rbx
  mov    %rsi,%rbx
  mov    $0x0,%edx
  mov    $0x0,%esi
  call   <strtol@plt>
  lea    -0x400(%rax),%rdx
  cmp    $0xbbff,%rdx
  ja     L10
  movzwl %ax,%edi
  call   <htons@plt>
  mov    %ax,(%rbx)
  mov    $0x0,%eax
L17:
  pop    %rbx
  ret
L10:
  mov    $0xffffffff,%eax
  jmp    L17
```

assistant: ```c
int parse_port_number(const char *input, unsigned short *output) {
  long tmp;
  tmp = strtol(input, NULL, 0);
  if (tmp < 1024 || tmp > 49151) {
    return -1;
  }
  *output = htons((unsigned short)tmp);
  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
<parse_port_number>:
  endbr64
  push   %rbx
  xor    %edx,%edx
  mov    %rsi,%rbx
  xor    %esi,%esi
  call   <strtol@plt>
  lea    -0x400(%rax),%rdx
  cmp    $0xbbff,%rdx
  ja     L4
  mov    %eax,%edi
  call   <htons@plt>
  mov    %ax,(%rbx)
  xor    %eax,%eax
  pop    %rbx
  ret
  nop
L4:
  mov    $0xffffffff,%eax
  pop    %rbx
  ret
```

assistant: ```c
int parse_port_number(const char *input, unsigned short *output) {
  long tmp;
  tmp = strtol(input, NULL, 0);
  if (tmp < 1024 || tmp > 49151) {
    return -1;
  }
  *output = htons((unsigned short)tmp);
  return 0;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<parse_port_number>:
  endbr64
  push   %rbx
  xor    %edx,%edx
  mov    %rsi,%rbx
  xor    %esi,%esi
  call   <strtol@plt>
  lea    -0x400(%rax),%rdx
  cmp    $0xbbff,%rdx
  ja     L8
  mov    %eax,%edi
  call   <htons@plt>
  mov    %ax,(%rbx)
  xor    %eax,%eax
  pop    %rbx
  ret
  nop
L8:
  mov    $0xffffffff,%eax
  pop    %rbx
  ret
```

assistant: ```c
int parse_port_number(const char *input, unsigned short *output) {
  long tmp;
  tmp = strtol(input, NULL, 0);
  if (tmp < 1024 || tmp > 49151) {
    return -1;
  }
  *output = htons((unsigned short)tmp);
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<xrop3_193_1_0>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,%edx
  mov    %esi,%eax
  mov    %dl,-0x24(%rbp)
  mov    %al,-0x28(%rbp)
  movl   $0xff,-0x1c(%rbp)
  movzbl -0x24(%rbp),%eax
  shl    $0x8,%eax
  mov    %eax,%edx
  movzbl -0x24(%rbp),%eax
  or     %edx,%eax
  mov    %eax,-0x18(%rbp)
  movzbl -0x28(%rbp),%eax
  shl    $0x8,%eax
  mov    %eax,%edx
  movzbl -0x28(%rbp),%eax
  or     %edx,%eax
  mov    %eax,-0x14(%rbp)
  mov    -0x18(%rbp),%eax
  not    %eax
  mov    %eax,-0x10(%rbp)
  mov    -0x1c(%rbp),%eax
  and    -0x10(%rbp),%eax
  mov    %eax,-0xc(%rbp)
  mov    -0x14(%rbp),%eax
  or     -0xc(%rbp),%eax
  mov    %eax,-0x8(%rbp)
  mov    -0x18(%rbp),%eax
  xor    -0x8(%rbp),%eax
  mov    %eax,-0x4(%rbp)
  notl   -0x4(%rbp)
  mov    -0x18(%rbp),%eax
  not    %eax
  and    -0x4(%rbp),%eax
  mov    %eax,%edx
  mov    -0x1c(%rbp),%eax
  and    -0x18(%rbp),%eax
  or     %edx,%eax
  pop    %rbp
  ret
```

assistant: ```c
unsigned xrop3_193_1_0(unsigned char s, unsigned char t) {
  unsigned D = 0x00ff;
  unsigned S = ((unsigned)s << 8) | s;
  unsigned T = ((unsigned)t << 8) | t;
  unsigned stk1;
  unsigned stk2;
  unsigned stk3;
  unsigned stk4;
  stk4 = ~S;
  stk3 = D & stk4;
  stk2 = T | stk3;
  stk1 = S ^ stk2;
  stk1 = ~stk1;
  return (stk1 & (~S)) | (D & S);
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<xrop3_193_1_0>:
  endbr64
  movzbl %dil,%eax
  mov    %eax,%edi
  shl    $0x8,%edi
  or     %eax,%edi
  movzbl %sil,%esi
  mov    %esi,%eax
  shl    $0x8,%eax
  or     %esi,%eax
  or     %edi,%eax
  mov    %edi,%edx
  not    %edx
  movzbl %dl,%edx
  or     %edx,%eax
  not    %eax
  movzbl %dil,%edi
  or     %edi,%eax
  ret
```

assistant: ```c
unsigned xrop3_193_1_0(unsigned char s, unsigned char t) {
  unsigned D = 0x00ff;
  unsigned S = ((unsigned)s << 8) | s;
  unsigned T = ((unsigned)t << 8) | t;
  unsigned stk1;
  unsigned stk2;
  unsigned stk3;
  unsigned stk4;
  stk4 = ~S;
  stk3 = D & stk4;
  stk2 = T | stk3;
  stk1 = S ^ stk2;
  stk1 = ~stk1;
  return (stk1 & (~S)) | (D & S);
}
```