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

```asm
<vbi_ucs2be>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x48,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x38(%rsp)
  xor    %eax,%eax
  movb   $0x62,0xf(%rsp)
  lea    0xf(%rsp),%rax
  mov    %rax,0x10(%rsp)
  movw   $0x6161,0x36(%rsp)
  lea    0x36(%rsp),%rax
  mov    %rax,0x18(%rsp)
  movq   $0x1,0x20(%rsp)
  movq   $0x2,0x28(%rsp)
  lea    D4(%rip),%rsi
  lea    D15(%rip),%rdi
  call   <iconv_open@plt>
  mov    %eax,%ebx
  cmp    $0xffffffff,%eax
  jne    L34
L19:
  mov    0x38(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L0
  mov    %ebx,%eax
  add    $0x48,%rsp
  pop    %rbx
  pop    %rbp
  ret
L34:
  lea    0x18(%rsp),%rcx
  lea    0x20(%rsp),%rdx
  lea    0x10(%rsp),%rsi
  lea    0x28(%rsp),%r8
  mov    %eax,%edi
  call   <iconv@plt>
  movzbl 0x36(%rsp),%eax
  test   %al,%al
  jne    L20
  mov    $0x1,%ebp
  cmpb   $0x62,0x37(%rsp)
  je     L5
L20:
  cmpb   $0x0,0x37(%rsp)
  sete   %dl
  cmp    $0x62,%al
  sete   %bpl
  movzbl %bpl,%ebp
  and    %edx,%ebp
  sub    $0x1,%ebp
L5:
  mov    %ebx,%edi
  call   <iconv_close@plt>
  mov    %ebp,%ebx
  jmp    L19
L0:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: data_label: D4
data_type: string
name: read_data
arguments: data_label: D15
data_type: string

tool: D4: ISO-8859-1

tool: D15: UCS-2

assistant: ```c
int vbi_ucs2be(void) {
  iconv_t cd;
  char c = 'b', *cp = &c;
  char uc[2] = {'a', 'a'}, *up = uc;
  size_t in = sizeof(c), out = sizeof(uc);
  int endianess = -1;
  if ((cd = iconv_open("UCS-2", "ISO-8859-1")) != (iconv_t)-1) {
    iconv(cd, (void *)&cp, &in, (void *)&up, &out);
    if (uc[0] == 0 && uc[1] == 'b')
      endianess = 1;
    else if (uc[1] == 0 && uc[0] == 'b')
      endianess = 0;
    iconv_close(cd);
  }
  return endianess;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<vbi_ucs2be>:
  endbr64
  push   %r12
  lea    D1(%rip),%rsi
  lea    D14(%rip),%rdi
  push   %rbx
  sub    $0x48,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x38(%rsp)
  xor    %eax,%eax
  lea    0xf(%rsp),%rax
  movb   $0x62,0xf(%rsp)
  mov    %rax,0x10(%rsp)
  mov    $0x6161,%eax
  mov    %ax,0x36(%rsp)
  lea    0x36(%rsp),%rax
  mov    %rax,0x18(%rsp)
  movq   $0x1,0x20(%rsp)
  movq   $0x2,0x28(%rsp)
  call   <iconv_open@plt>
  mov    %eax,%r12d
  cmp    $0xffffffff,%eax
  jne    L15
L13:
  mov    0x38(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L26
  add    $0x48,%rsp
  mov    %r12d,%eax
  pop    %rbx
  pop    %r12
  ret
  cs nopw 0x0(%rax,%rax,1)
L15:
  lea    0x20(%rsp),%rdx
  lea    0x18(%rsp),%rcx
  mov    %eax,%edi
  lea    0x10(%rsp),%rsi
  lea    0x28(%rsp),%r8
  call   <iconv@plt>
  movzbl 0x36(%rsp),%eax
  movzbl 0x37(%rsp),%edx
  test   %al,%al
  jne    L49
  mov    $0x1,%ebx
  cmp    $0x62,%dl
  je     L40
L49:
  cmp    $0x62,%al
  sete   %al
  xor    %ebx,%ebx
  test   %dl,%dl
  sete   %bl
  and    %eax,%ebx
  sub    $0x1,%ebx
L40:
  mov    %r12d,%edi
  mov    %ebx,%r12d
  call   <iconv_close@plt>
  jmp    L13
L26:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: tag: D1
type: string
name: retrieve_data
arguments: tag: D14
type: string

tool: D1: ISO-8859-1

tool: D14: UCS-2

assistant: ```c
int vbi_ucs2be(void) {
  iconv_t cd;
  char c = 'b', *cp = &c;
  char uc[2] = {'a', 'a'}, *up = uc;
  size_t in = sizeof(c), out = sizeof(uc);
  int endianess = -1;
  if ((cd = iconv_open("UCS-2", "ISO-8859-1")) != (iconv_t)-1) {
    iconv(cd, (void *)&cp, &in, (void *)&up, &out);
    if (uc[0] == 0 && uc[1] == 'b')
      endianess = 1;
    else if (uc[1] == 0 && uc[0] == 'b')
      endianess = 0;
    iconv_close(cd);
  }
  return endianess;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<vbi_ucs2be>:
  endbr64
  push   %r12
  lea    D8(%rip),%rsi
  lea    D19(%rip),%rdi
  push   %rbx
  sub    $0x48,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x38(%rsp)
  xor    %eax,%eax
  lea    0xf(%rsp),%rax
  movb   $0x62,0xf(%rsp)
  mov    %rax,0x10(%rsp)
  mov    $0x6161,%eax
  mov    %ax,0x36(%rsp)
  lea    0x36(%rsp),%rax
  mov    %rax,0x18(%rsp)
  movq   $0x1,0x20(%rsp)
  movq   $0x2,0x28(%rsp)
  call   <iconv_open@plt>
  mov    %eax,%r12d
  cmp    $0xffffffff,%eax
  jne    L38
L24:
  mov    0x38(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L14
  add    $0x48,%rsp
  mov    %r12d,%eax
  pop    %rbx
  pop    %r12
  ret
  cs nopw 0x0(%rax,%rax,1)
L38:
  lea    0x20(%rsp),%rdx
  lea    0x18(%rsp),%rcx
  mov    %eax,%edi
  lea    0x10(%rsp),%rsi
  lea    0x28(%rsp),%r8
  call   <iconv@plt>
  movzbl 0x36(%rsp),%eax
  movzbl 0x37(%rsp),%edx
  test   %al,%al
  jne    L47
  mov    $0x1,%ebx
  cmp    $0x62,%dl
  je     L23
L47:
  cmp    $0x62,%al
  sete   %al
  xor    %ebx,%ebx
  test   %dl,%dl
  sete   %bl
  and    %eax,%ebx
  sub    $0x1,%ebx
L23:
  mov    %r12d,%edi
  mov    %ebx,%r12d
  call   <iconv_close@plt>
  jmp    L24
L14:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: tag: D8
data_type: string
name: unpack_data
arguments: tag: D19
data_type: string

tool: D8: ISO-8859-1

tool: D19: UCS-2

assistant: ```c
int vbi_ucs2be(void) {
  iconv_t cd;
  char c = 'b', *cp = &c;
  char uc[2] = {'a', 'a'}, *up = uc;
  size_t in = sizeof(c), out = sizeof(uc);
  int endianess = -1;
  if ((cd = iconv_open("UCS-2", "ISO-8859-1")) != (iconv_t)-1) {
    iconv(cd, (void *)&cp, &in, (void *)&up, &out);
    if (uc[0] == 0 && uc[1] == 'b')
      endianess = 1;
    else if (uc[1] == 0 && uc[0] == 'b')
      endianess = 0;
    iconv_close(cd);
  }
  return endianess;
}
```
user: What is the c source code of the assembly code below:

```asm
<get_dev>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %edi,-0x24(%rbp)
  movl   $0x0,-0x14(%rbp)
  mov    $0x0,%esi
  mov    $0x0,%edi
  call   <xwii_monitor_new@plt>
  mov    %rax,-0x10(%rbp)
  cmpq   $0x0,-0x10(%rbp)
  jne    L28
  lea    D19(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  mov    $0x0,%eax
  jmp    L49
L23:
  addl   $0x1,-0x14(%rbp)
  mov    -0x14(%rbp),%eax
  cmp    -0x24(%rbp),%eax
  je     L39
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
L28:
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <xwii_monitor_poll@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  jne    L23
  jmp    L32
L39:
  nop
L32:
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <xwii_monitor_unref@plt>
  cmpq   $0x0,-0x8(%rbp)
  jne    L50
  mov    -0x24(%rbp),%eax
  mov    %eax,%esi
  lea    D11(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
L50:
  mov    -0x8(%rbp),%rax
L49:
  leave
  ret
```

tool_calls: name: parse_data
arguments: data_tag: D19
type_infered: string
name: parse_data
arguments: data_tag: D11
type_infered: string

tool: D19: Cannot create monitor

tool: D11: Cannot find device with number #%d


assistant: ```c
char *get_dev(int num) {
  struct xwii_monitor *mon;
  char *ent;
  int i = 0;
  mon = xwii_monitor_new(false, false);
  if (!mon) {
    printf("Cannot create monitor\n");
    return NULL;
  }
  while ((ent = xwii_monitor_poll(mon))) {
    if (++i == num)
      break;
    free(ent);
  }
  xwii_monitor_unref(mon);
  if (!ent)
    printf("Cannot find device with number #%d\n", num);
  return ent;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<get_dev>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %edi,%r14d
  mov    $0x0,%esi
  mov    $0x0,%edi
  call   <xwii_monitor_new@plt>
  mov    %rax,%r12
  test   %rax,%rax
  je     L1
  lea    -0x1(%r14),%r13d
  mov    $0x0,%ebp
L17:
  mov    %r12,%rdi
  call   <xwii_monitor_poll@plt>
  mov    %rax,%rbx
  test   %rax,%rax
  je     L4
  cmp    %r13d,%ebp
  je     L5
  mov    %rbx,%rdi
  call   <free@plt>
  add    $0x1,%ebp
  jmp    L17
L1:
  lea    D16(%rip),%rdi
  call   <puts@plt>
  mov    %r12,%rbx
  jmp    L48
L4:
  mov    %r12,%rdi
  call   <xwii_monitor_unref@plt>
  mov    %r14d,%esi
  lea    D2(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
L48:
  mov    %rbx,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L5:
  mov    %r12,%rdi
  call   <xwii_monitor_unref@plt>
  jmp    L48
```

tool_calls: name: extract_symbolic_data
arguments: data_tag: D16
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D2
type_infered: string

tool: D16: Cannot create monitor

tool: D2: Cannot find device with number #%d


assistant: ```c
char *get_dev(int num) {
  struct xwii_monitor *mon;
  char *ent;
  int i = 0;
  mon = xwii_monitor_new(false, false);
  if (!mon) {
    printf("Cannot create monitor\n");
    return NULL;
  }
  while ((ent = xwii_monitor_poll(mon))) {
    if (++i == num)
      break;
    free(ent);
  }
  xwii_monitor_unref(mon);
  if (!ent)
    printf("Cannot find device with number #%d\n", num);
  return ent;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<get_dev>:
  endbr64
  push   %r14
  xor    %esi,%esi
  push   %r13
  mov    %edi,%r13d
  xor    %edi,%edi
  push   %r12
  push   %rbp
  push   %rbx
  call   <xwii_monitor_new@plt>
  test   %rax,%rax
  je     L43
  mov    %rax,%r12
  lea    -0x1(%r13),%r14d
  xor    %ebx,%ebx
  jmp    L41
  nopl   0x0(%rax,%rax,1)
L19:
  cmp    %ebx,%r14d
  je     L7
  mov    %rbp,%rdi
  add    $0x1,%ebx
  call   <free@plt>
L41:
  mov    %r12,%rdi
  call   <xwii_monitor_poll@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  jne    L19
  mov    %r12,%rdi
  call   <xwii_monitor_unref@plt>
  mov    %r13d,%esi
  lea    D5(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
L9:
  pop    %rbx
  mov    %rbp,%rax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   (%rax)
L7:
  mov    %r12,%rdi
  call   <xwii_monitor_unref@plt>
  pop    %rbx
  mov    %rbp,%rax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L43:
  lea    D14(%rip),%rdi
  xor    %ebp,%ebp
  call   <puts@plt>
  jmp    L9
```

tool_calls: name: read_data
arguments: data_label: D5
data_type: string
name: read_data
arguments: data_label: D14
data_type: string

tool: D5: Cannot find device with number #%d


tool: D14: Cannot create monitor

assistant: ```c
char *get_dev(int num) {
  struct xwii_monitor *mon;
  char *ent;
  int i = 0;
  mon = xwii_monitor_new(false, false);
  if (!mon) {
    printf("Cannot create monitor\n");
    return NULL;
  }
  while ((ent = xwii_monitor_poll(mon))) {
    if (++i == num)
      break;
    free(ent);
  }
  xwii_monitor_unref(mon);
  if (!ent)
    printf("Cannot find device with number #%d\n", num);
  return ent;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<get_dev>:
  endbr64
  push   %r14
  xor    %esi,%esi
  push   %r13
  mov    %edi,%r13d
  xor    %edi,%edi
  push   %r12
  push   %rbp
  push   %rbx
  call   <xwii_monitor_new@plt>
  test   %rax,%rax
  je     L21
  mov    %rax,%r12
  lea    -0x1(%r13),%r14d
  xor    %ebx,%ebx
  jmp    L37
  nopl   0x0(%rax,%rax,1)
L15:
  cmp    %ebx,%r14d
  je     L48
  mov    %rbp,%rdi
  add    $0x1,%ebx
  call   <free@plt>
L37:
  mov    %r12,%rdi
  call   <xwii_monitor_poll@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  jne    L15
  mov    %r12,%rdi
  call   <xwii_monitor_unref@plt>
  mov    %r13d,%esi
  lea    D3(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
L20:
  pop    %rbx
  mov    %rbp,%rax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   (%rax)
L48:
  mov    %r12,%rdi
  call   <xwii_monitor_unref@plt>
  pop    %rbx
  mov    %rbp,%rax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L21:
  lea    D13(%rip),%rdi
  xor    %ebp,%ebp
  call   <puts@plt>
  jmp    L20
```

tool_calls: name: parse_data
arguments: tag: D3
type_infered: string
name: parse_data
arguments: tag: D13
type_infered: string

tool: D3: Cannot find device with number #%d


tool: D13: Cannot create monitor

assistant: ```c
char *get_dev(int num) {
  struct xwii_monitor *mon;
  char *ent;
  int i = 0;
  mon = xwii_monitor_new(false, false);
  if (!mon) {
    printf("Cannot create monitor\n");
    return NULL;
  }
  while ((ent = xwii_monitor_poll(mon))) {
    if (++i == num)
      break;
    free(ent);
  }
  xwii_monitor_unref(mon);
  if (!ent)
    printf("Cannot find device with number #%d\n", num);
  return ent;
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<parse_cmd>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %esi,-0x2c(%rbp)
  mov    %rdx,-0x38(%rbp)
  movl   $0x0,-0x10(%rbp)
  movl   $0x0,-0xc(%rbp)
  movl   $0x0,-0x14(%rbp)
  jmp    L60
L38:
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  mov    $0x3a,%esi
  mov    %rax,%rdi
  call   <strchr@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  jne    L1
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  mov    $0x3b,%esi
  mov    %rax,%rdi
  call   <strchr@plt>
  mov    %rax,-0x8(%rbp)
L1:
  cmpq   $0x0,-0x8(%rbp)
  je     L44
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  cmp    $0x1,%eax
  jne    L33
  mov    -0xc(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rax,%rdx
  mov    -0x14(%rbp),%eax
  sub    -0xc(%rbp),%eax
  mov    %eax,%ecx
  mov    -0x28(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <__parse_cmd@plt>
  mov    %eax,-0x10(%rbp)
  jmp    L14
L33:
  mov    -0x8(%rbp),%rax
  movb   $0x0,(%rax)
  mov    -0xc(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rax,%rdx
  mov    -0x14(%rbp),%eax
  add    $0x1,%eax
  sub    -0xc(%rbp),%eax
  mov    %eax,%ecx
  mov    -0x28(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <__parse_cmd@plt>
  mov    %eax,-0x10(%rbp)
L14:
  mov    -0x14(%rbp),%eax
  add    $0x1,%eax
  mov    %eax,-0xc(%rbp)
  cmpl   $0x0,-0x10(%rbp)
  je     L24
  mov    -0x10(%rbp),%eax
  jmp    L68
L44:
  nop
L24:
  addl   $0x1,-0x14(%rbp)
L60:
  mov    -0x14(%rbp),%eax
  cmp    -0x2c(%rbp),%eax
  jl     L38
  mov    -0xc(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rax,%rdx
  mov    -0x14(%rbp),%eax
  sub    -0xc(%rbp),%eax
  mov    %eax,%ecx
  mov    -0x28(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <__parse_cmd@plt>
L68:
  leave
  ret
```

assistant: ```c
int parse_cmd(struct ipr_ioa *ioa, int argc, char *argv[]) {
  int i, rc = 0;
  int index = 0;
  char *end;
  for (i = 0; i < argc; i++) {
    end = strchr(argv[i], ':');
    if (!end)
      end = strchr(argv[i], ';');
    if (!end)
      continue;
    if (strlen(argv[i]) == 1) {
      rc = __parse_cmd(ioa, i - index, &argv[index]);
    } else {
      *end = '\0';
      rc = __parse_cmd(ioa, (i + 1) - index, &argv[index]);
    }
    index = i + 1;
    if (rc)
      return rc;
  }
  return __parse_cmd(ioa, i - index, &argv[index]);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<parse_cmd>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %rdi,0x8(%rsp)
  mov    %rdx,%r12
  test   %esi,%esi
  jle    L9
  lea    0x1(%rsi),%r15d
  mov    $0x1,%ebx
  mov    $0x0,%r13d
  jmp    L56
L64:
  mov    -0x8(%r12,%rbx,8),%rdi
  mov    $0x3b,%esi
  call   <strchr@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  je     L86
  jmp    L38
L36:
  movslq %r13d,%rax
  lea    (%r12,%rax,8),%rdx
  mov    %r14d,%esi
  sub    %r13d,%esi
  mov    0x8(%rsp),%rdi
  call   <__parse_cmd@plt>
L62:
  mov    %ebx,%r13d
  test   %eax,%eax
  jne    L70
L86:
  mov    %ebx,%esi
  add    $0x1,%rbx
  cmp    %r15,%rbx
  je     L63
L56:
  lea    -0x1(%rbx),%r14d
  mov    -0x8(%r12,%rbx,8),%rdi
  mov    $0x3a,%esi
  call   <strchr@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  je     L64
L38:
  mov    -0x8(%r12,%rbx,8),%rdi
  call   <strlen@plt>
  cmp    $0x1,%eax
  je     L36
  movb   $0x0,0x0(%rbp)
  movslq %r13d,%rax
  lea    (%r12,%rax,8),%rdx
  mov    %ebx,%esi
  sub    %r13d,%esi
  mov    0x8(%rsp),%rdi
  call   <__parse_cmd@plt>
  jmp    L62
L9:
  mov    $0x0,%r13d
  mov    $0x0,%esi
L63:
  movslq %r13d,%rax
  lea    (%r12,%rax,8),%rdx
  sub    %r13d,%esi
  mov    0x8(%rsp),%rdi
  call   <__parse_cmd@plt>
L70:
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
int parse_cmd(struct ipr_ioa *ioa, int argc, char *argv[]) {
  int i, rc = 0;
  int index = 0;
  char *end;
  for (i = 0; i < argc; i++) {
    end = strchr(argv[i], ':');
    if (!end)
      end = strchr(argv[i], ';');
    if (!end)
      continue;
    if (strlen(argv[i]) == 1) {
      rc = __parse_cmd(ioa, i - index, &argv[index]);
    } else {
      *end = '\0';
      rc = __parse_cmd(ioa, (i + 1) - index, &argv[index]);
    }
    index = i + 1;
    if (rc)
      return rc;
  }
  return __parse_cmd(ioa, i - index, &argv[index]);
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<parse_cmd>:
  endbr64
  push   %r15
  mov    %rdi,%r15
  push   %r14
  push   %r13
  push   %r12
  mov    %rdx,%r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  test   %esi,%esi
  jle    L55
  movslq %esi,%rax
  xor    %r14d,%r14d
  xor    %ebp,%ebp
  mov    %rax,(%rsp)
  jmp    L77
  xchg   %ax,%ax
L15:
  movb   $0x0,0x0(%r13)
  mov    %ebx,%esi
  mov    %r8,%rdx
  mov    %r15,%rdi
  sub    %ebp,%esi
  call   <__parse_cmd@plt>
  test   %eax,%eax
  jne    L56
L98:
  mov    %ebx,%ebp
  add    $0x1,%r14
  cmp    (%rsp),%r14
  je     L6
L77:
  mov    (%r12,%r14,8),%rdi
  mov    $0x3a,%esi
  mov    %r14d,0xc(%rsp)
  lea    0x1(%r14),%ebx
  call   <strchr@plt>
  mov    %rax,%r13
  test   %rax,%rax
  je     L29
L87:
  mov    (%r12,%r14,8),%rdi
  call   <strlen@plt>
  movslq %ebp,%rsi
  lea    (%r12,%rsi,8),%r8
  cmp    $0x1,%eax
  jne    L15
  mov    %r14d,%esi
  mov    %r8,%rdx
  mov    %r15,%rdi
  sub    %ebp,%esi
  call   <__parse_cmd@plt>
  test   %eax,%eax
  je     L98
L56:
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax,%rax,1)
L29:
  mov    (%r12,%r14,8),%rdi
  mov    $0x3b,%esi
  call   <strchr@plt>
  mov    %rax,%r13
  test   %rax,%rax
  jne    L87
  add    $0x1,%r14
  cmp    (%rsp),%r14
  jne    L77
L6:
  movslq %ebp,%rax
  sub    %ebp,%ebx
  lea    (%r12,%rax,8),%r12
  mov    %ebx,%esi
L17:
  add    $0x18,%rsp
  mov    %r12,%rdx
  mov    %r15,%rdi
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1090 <__parse_cmd@plt>
L55:
  xor    %esi,%esi
  jmp    L17
```

assistant: ```c
int parse_cmd(struct ipr_ioa *ioa, int argc, char *argv[]) {
  int i, rc = 0;
  int index = 0;
  char *end;
  for (i = 0; i < argc; i++) {
    end = strchr(argv[i], ':');
    if (!end)
      end = strchr(argv[i], ';');
    if (!end)
      continue;
    if (strlen(argv[i]) == 1) {
      rc = __parse_cmd(ioa, i - index, &argv[index]);
    } else {
      *end = '\0';
      rc = __parse_cmd(ioa, (i + 1) - index, &argv[index]);
    }
    index = i + 1;
    if (rc)
      return rc;
  }
  return __parse_cmd(ioa, i - index, &argv[index]);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<parse_cmd>:
  endbr64
  push   %r15
  mov    %rdi,%r15
  push   %r14
  push   %r13
  push   %r12
  mov    %rdx,%r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  test   %esi,%esi
  jle    L24
  movslq %esi,%rax
  xor    %r14d,%r14d
  xor    %ebp,%ebp
  mov    %rax,(%rsp)
  jmp    L45
  xchg   %ax,%ax
L20:
  movb   $0x0,0x0(%r13)
  mov    %ebx,%esi
  mov    %r8,%rdx
  mov    %r15,%rdi
  sub    %ebp,%esi
  call   <__parse_cmd@plt>
  test   %eax,%eax
  jne    L53
L80:
  mov    %ebx,%ebp
  add    $0x1,%r14
  cmp    (%rsp),%r14
  je     L99
L45:
  mov    (%r12,%r14,8),%rdi
  mov    $0x3a,%esi
  mov    %r14d,0xc(%rsp)
  lea    0x1(%r14),%ebx
  call   <strchr@plt>
  mov    %rax,%r13
  test   %rax,%rax
  je     L9
L6:
  mov    (%r12,%r14,8),%rdi
  call   <strlen@plt>
  movslq %ebp,%rsi
  lea    (%r12,%rsi,8),%r8
  cmp    $0x1,%eax
  jne    L20
  mov    %r14d,%esi
  mov    %r8,%rdx
  mov    %r15,%rdi
  sub    %ebp,%esi
  call   <__parse_cmd@plt>
  test   %eax,%eax
  je     L80
L53:
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax,%rax,1)
L9:
  mov    (%r12,%r14,8),%rdi
  mov    $0x3b,%esi
  call   <strchr@plt>
  mov    %rax,%r13
  test   %rax,%rax
  jne    L6
  add    $0x1,%r14
  cmp    (%rsp),%r14
  jne    L45
L99:
  movslq %ebp,%rax
  sub    %ebp,%ebx
  lea    (%r12,%rax,8),%r12
  mov    %ebx,%esi
L0:
  add    $0x18,%rsp
  mov    %r12,%rdx
  mov    %r15,%rdi
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1090 <__parse_cmd@plt>
L24:
  xor    %esi,%esi
  jmp    L0
```

assistant: ```c
int parse_cmd(struct ipr_ioa *ioa, int argc, char *argv[]) {
  int i, rc = 0;
  int index = 0;
  char *end;
  for (i = 0; i < argc; i++) {
    end = strchr(argv[i], ':');
    if (!end)
      end = strchr(argv[i], ';');
    if (!end)
      continue;
    if (strlen(argv[i]) == 1) {
      rc = __parse_cmd(ioa, i - index, &argv[index]);
    } else {
      *end = '\0';
      rc = __parse_cmd(ioa, (i + 1) - index, &argv[index]);
    }
    index = i + 1;
    if (rc)
      return rc;
  }
  return __parse_cmd(ioa, i - index, &argv[index]);
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<get_current_time>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    $0x0,%edi
  call   <time@plt>
  mov    %eax,-0x14(%rbp)
  mov    -0x28(%rbp),%rdx
  lea    -0x14(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <ctime_r@plt>
  mov    -0x28(%rbp),%rax
  mov    $0xa,%esi
  mov    %rax,%rdi
  call   <strchr@plt>
  mov    %rax,-0x10(%rbp)
  cmpq   $0x0,-0x10(%rbp)
  je     L7
  mov    -0x10(%rbp),%rax
  movb   $0x0,(%rax)
L7:
  mov    -0x28(%rbp),%rax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L5
  call   <__stack_chk_fail@plt>
L5:
  leave
  ret
```

assistant: ```c
char *get_current_time(char *tbuf) {
  time_t t = time(0);
  ctime_r(&t, tbuf);
  char *p = strchr(tbuf, '\n');
  if (p) {
    *p = 0;
  }
  return tbuf;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<get_current_time>:
  endbr64
  push   %rbx
  sub    $0x10,%rsp
  mov    %rdi,%rbx
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  mov    $0x0,%edi
  call   <time@plt>
  mov    %eax,0x4(%rsp)
  lea    0x4(%rsp),%rdi
  mov    %rbx,%rsi
  call   <ctime_r@plt>
  mov    $0xa,%esi
  mov    %rbx,%rdi
  call   <strchr@plt>
  test   %rax,%rax
  je     L4
  movb   $0x0,(%rax)
L4:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L12
  mov    %rbx,%rax
  add    $0x10,%rsp
  pop    %rbx
  ret
L12:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
char *get_current_time(char *tbuf) {
  time_t t = time(0);
  ctime_r(&t, tbuf);
  char *p = strchr(tbuf, '\n');
  if (p) {
    *p = 0;
  }
  return tbuf;
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<get_current_time>:
  endbr64
  push   %r12
  mov    %rdi,%r12
  xor    %edi,%edi
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  call   <time@plt>
  lea    0x4(%rsp),%rdi
  mov    %r12,%rsi
  mov    %eax,0x4(%rsp)
  call   <ctime_r@plt>
  mov    $0xa,%esi
  mov    %r12,%rdi
  call   <strchr@plt>
  test   %rax,%rax
  je     L17
  movb   $0x0,(%rax)
L17:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L6
  add    $0x10,%rsp
  mov    %r12,%rax
  pop    %r12
  ret
L6:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
char *get_current_time(char *tbuf) {
  time_t t = time(0);
  ctime_r(&t, tbuf);
  char *p = strchr(tbuf, '\n');
  if (p) {
    *p = 0;
  }
  return tbuf;
}
```