ylfeng/ReF-Decompile-dataset huggingface dataset:
user: What is the c source code of the assembly code below?

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x0,%eax
  call   <mcu_init@plt>
L3:
  mov    $0x1,%edi
  call   <motor_control@plt>
  mov    $0x1f4,%edi
  call   <delay_ms@plt>
  mov    $0x4,%edi
  call   <motor_control@plt>
  mov    $0x64,%edi
  call   <delay_ms@plt>
  mov    $0x1,%edi
  call   <motor_control@plt>
  mov    $0x1f4,%edi
  call   <delay_ms@plt>
  mov    $0x3,%edi
  call   <motor_control@plt>
  mov    $0x64,%edi
  call   <delay_ms@plt>
  mov    $0x2,%edi
  call   <motor_control@plt>
  mov    $0x1f4,%edi
  call   <delay_ms@plt>
  mov    $0x5,%edi
  call   <motor_control@plt>
  jmp    L3
```

assistant: ```c
void main() {
  mcu_init();
  while (1) {
    motor_control(1);
    delay_ms(500);
    motor_control(4);
    delay_ms(100);
    motor_control(1);
    delay_ms(500);
    motor_control(3);
    delay_ms(100);
    motor_control(2);
    delay_ms(500);
    motor_control(5);
  }
}
```
user: What is the c source code of the assembly code below:

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <mcu_init@plt>
  nop
L7:
  mov    $0x1,%edi
  call   <motor_control@plt>
  mov    $0x1f4,%edi
  call   <delay_ms@plt>
  mov    $0x4,%edi
  call   <motor_control@plt>
  mov    $0x64,%edi
  call   <delay_ms@plt>
  mov    $0x1,%edi
  call   <motor_control@plt>
  mov    $0x1f4,%edi
  call   <delay_ms@plt>
  mov    $0x3,%edi
  call   <motor_control@plt>
  mov    $0x64,%edi
  call   <delay_ms@plt>
  mov    $0x2,%edi
  call   <motor_control@plt>
  mov    $0x1f4,%edi
  call   <delay_ms@plt>
  mov    $0x5,%edi
  call   <motor_control@plt>
  jmp    L7
```

assistant: ```c
void main() {
  mcu_init();
  while (1) {
    motor_control(1);
    delay_ms(500);
    motor_control(4);
    delay_ms(100);
    motor_control(1);
    delay_ms(500);
    motor_control(3);
    delay_ms(100);
    motor_control(2);
    delay_ms(500);
    motor_control(5);
  }
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <mcu_init@plt>
  nop
L5:
  mov    $0x1,%edi
  call   <motor_control@plt>
  mov    $0x1f4,%edi
  call   <delay_ms@plt>
  mov    $0x4,%edi
  call   <motor_control@plt>
  mov    $0x64,%edi
  call   <delay_ms@plt>
  mov    $0x1,%edi
  call   <motor_control@plt>
  mov    $0x1f4,%edi
  call   <delay_ms@plt>
  mov    $0x3,%edi
  call   <motor_control@plt>
  mov    $0x64,%edi
  call   <delay_ms@plt>
  mov    $0x2,%edi
  call   <motor_control@plt>
  mov    $0x1f4,%edi
  call   <delay_ms@plt>
  mov    $0x5,%edi
  call   <motor_control@plt>
  jmp    L5
```

assistant: ```c
void main() {
  mcu_init();
  while (1) {
    motor_control(1);
    delay_ms(500);
    motor_control(4);
    delay_ms(100);
    motor_control(1);
    delay_ms(500);
    motor_control(3);
    delay_ms(100);
    motor_control(2);
    delay_ms(500);
    motor_control(5);
  }
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<strupper>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %rdi,-0x8(%rbp)
  jmp    L1
L16:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <islower@plt>
  test   %rax,%rax
  je     L13
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <toupper@plt>
  mov    -0x8(%rbp),%rdx
  mov    %al,(%rdx)
L13:
  addq   $0x1,-0x8(%rbp)
L1:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L16
  nop
  nop
  leave
  ret
```

assistant: ```c
void strupper(char *buf) {
  while (*buf) {
    if (islower(*buf))
      *buf = toupper(*buf);
    buf++;
  }
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<strupper>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  movzbl (%rdi),%edi
  test   %dil,%dil
  jne    L28
L29:
  pop    %rbx
  ret
L15:
  add    $0x1,%rbx
  movzbl (%rbx),%edi
  test   %dil,%dil
  je     L29
L28:
  movsbl %dil,%edi
  call   <islower@plt>
  test   %rax,%rax
  je     L15
  movsbl (%rbx),%edi
  call   <toupper@plt>
  mov    %al,(%rbx)
  jmp    L15
```

assistant: ```c
void strupper(char *buf) {
  while (*buf) {
    if (islower(*buf))
      *buf = toupper(*buf);
    buf++;
  }
}
```
user: Translate the below assembly code into C programming language:

```asm
<strupper>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  movsbl (%rdi),%edi
  test   %dil,%dil
  jne    L21
  jmp    L13
  nopw   0x0(%rax,%rax,1)
L1:
  movsbl 0x1(%rbx),%edi
  add    $0x1,%rbx
  test   %dil,%dil
  je     L13
L21:
  call   <islower@plt>
  test   %rax,%rax
  je     L1
  movsbl (%rbx),%edi
  add    $0x1,%rbx
  call   <toupper@plt>
  mov    %al,-0x1(%rbx)
  movsbl (%rbx),%edi
  test   %dil,%dil
  jne    L21
L13:
  pop    %rbx
  ret
```

assistant: ```c
void strupper(char *buf) {
  while (*buf) {
    if (islower(*buf))
      *buf = toupper(*buf);
    buf++;
  }
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<strupper>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  movsbl (%rdi),%edi
  test   %dil,%dil
  je     L11
L6:
  call   <islower@plt>
  test   %rax,%rax
  jne    L31
  movsbl 0x1(%rbx),%edi
  add    $0x1,%rbx
  test   %dil,%dil
  jne    L6
L11:
  pop    %rbx
  ret
  nopl   0x0(%rax)
L31:
  movsbl (%rbx),%edi
  add    $0x1,%rbx
  call   <toupper@plt>
  mov    %al,-0x1(%rbx)
  movsbl (%rbx),%edi
  test   %dil,%dil
  jne    L6
  pop    %rbx
  ret
```

assistant: ```c
void strupper(char *buf) {
  while (*buf) {
    if (islower(*buf))
      *buf = toupper(*buf);
    buf++;
  }
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<ra_add_adjust>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  movl   $0x1e,-0x28(%rbp)
  mov    -0x28(%rbp),%eax
  mov    %eax,%esi
  mov    $0x4,%edi
  call   <populate@plt>
  mov    %rax,-0x20(%rbp)
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <clxns_count@plt>
  mov    %eax,-0x24(%rbp)
  mov    -0x24(%rbp),%eax
  cmp    -0x28(%rbp),%eax
  je     L74
  lea    D15(%rip),%rax
  jmp    L21
L74:
  movl   $0x0,-0x2c(%rbp)
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <clxns_iter_new@plt>
  mov    %rax,-0x18(%rbp)
  jmp    L71
L64:
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <clxns_iter_get_next@plt>
  mov    %rax,-0x10(%rbp)
  mov    $0x9,%edi
  call   <malloc@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x2c(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    %edx,-0x2c(%rbp)
  mov    -0x8(%rbp),%rcx
  mov    %eax,%edx
  lea    D31(%rip),%rax
  mov    %rax,%rsi
  mov    %rcx,%rdi
  call   <sprintf@plt>
  mov    -0x8(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L71
  lea    D10(%rip),%rax
  jmp    L21
L71:
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <clxns_iter_move_next@plt>
  test   %rax,%rax
  jne    L64
  cmpl   $0x1e,-0x2c(%rbp)
  je     L4
  lea    D2(%rip),%rax
  jmp    L21
L4:
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <clxns_iter_free@plt>
  mov    -0x20(%rbp),%rax
  mov    $0x1,%esi
  mov    %rax,%rdi
  call   <clxns_free@plt>
  mov    $0x0,%eax
L21:
  leave
  ret
```

tool_calls: name: disassemble_data
arguments: data_label: D15
datatype: string
name: disassemble_data
arguments: data_label: D31
datatype: string
name: disassemble_data
arguments: data_label: D10
datatype: string
name: disassemble_data
arguments: data_label: D2
datatype: string

tool: D15: Wrong number of items in array

tool: D31: string%d

tool: D10: Incorrect data in iter

tool: D2: Incorrect iter count

assistant: ```c
char *ra_add_adjust() {
  int num_entries = 30;
  void *array = populate(4, num_entries);
  int s = clxns_count(array);
  do {
    if (!(s == num_entries))
      return "Wrong number of items in array";
  } while (0);
  int i = 0;
  void *iter = clxns_iter_new(array);
  while (clxns_iter_move_next(iter)) {
    char *res = clxns_iter_get_next(iter);
    char *buf = (char *)malloc(9);
    sprintf(buf, "string%d", i++);
    do {
      if (!(strcmp(res, buf) == 0))
        return "Incorrect data in iter";
    } while (0);
  }
  do {
    if (!(i == 30))
      return "Incorrect iter count";
  } while (0);
  clxns_iter_free(iter);
  clxns_free(array, 1);
  return 0;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<ra_add_adjust>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    $0x1e,%esi
  mov    $0x4,%edi
  call   <populate@plt>
  mov    %rax,0x8(%rsp)
  mov    %rax,%rdi
  call   <clxns_count@plt>
  mov    %eax,%edx
  lea    D19(%rip),%rax
  cmp    $0x1e,%edx
  je     L25
L63:
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L25:
  mov    0x8(%rsp),%rdi
  call   <clxns_iter_new@plt>
  mov    %rax,%r13
  mov    $0x0,%r12d
  lea    D12(%rip),%r15
L0:
  mov    %r13,%rdi
  call   <clxns_iter_move_next@plt>
  test   %rax,%rax
  je     L65
  mov    %r13,%rdi
  call   <clxns_iter_get_next@plt>
  mov    %rax,%rbp
  mov    $0x9,%edi
  call   <malloc@plt>
  mov    %rax,%rbx
  lea    0x1(%r12),%r14d
  mov    %r12d,%edx
  mov    %r15,%rsi
  mov    %rax,%rdi
  call   <sprintf@plt>
  mov    %rbx,%rsi
  mov    %rbp,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L2
  mov    %r14d,%r12d
  jmp    L0
L65:
  lea    D13(%rip),%rax
  cmp    $0x1e,%r12d
  jne    L63
  mov    %r13,%rdi
  call   <clxns_iter_free@plt>
  mov    $0x1,%esi
  mov    0x8(%rsp),%rdi
  call   <clxns_free@plt>
  mov    $0x0,%eax
  jmp    L63
L2:
  lea    D18(%rip),%rax
  jmp    L63
```

tool_calls: name: parse_data
arguments: label: D19
type_infered: string
name: parse_data
arguments: label: D12
type_infered: string
name: parse_data
arguments: label: D13
type_infered: string
name: parse_data
arguments: label: D18
type_infered: string

tool: D19: Wrong number of items in array

tool: D12: string%d

tool: D13: Incorrect iter count

tool: D18: Incorrect data in iter

assistant: ```c
char *ra_add_adjust() {
  int num_entries = 30;
  void *array = populate(4, num_entries);
  int s = clxns_count(array);
  do {
    if (!(s == num_entries))
      return "Wrong number of items in array";
  } while (0);
  int i = 0;
  void *iter = clxns_iter_new(array);
  while (clxns_iter_move_next(iter)) {
    char *res = clxns_iter_get_next(iter);
    char *buf = (char *)malloc(9);
    sprintf(buf, "string%d", i++);
    do {
      if (!(strcmp(res, buf) == 0))
        return "Incorrect data in iter";
    } while (0);
  }
  do {
    if (!(i == 30))
      return "Incorrect iter count";
  } while (0);
  clxns_iter_free(iter);
  clxns_free(array, 1);
  return 0;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<ra_add_adjust>:
  endbr64
  push   %r15
  mov    $0x1e,%esi
  mov    $0x4,%edi
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  call   <populate@plt>
  mov    %rax,%rdi
  mov    %rax,0x8(%rsp)
  call   <clxns_count@plt>
  mov    %eax,%r8d
  lea    D34(%rip),%rax
  cmp    $0x1e,%r8d
  je     L22
L0:
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   (%rax)
L22:
  mov    0x8(%rsp),%rdi
  xor    %r14d,%r14d
  lea    D22(%rip),%rbx
  call   <clxns_iter_new@plt>
  mov    %rax,%r13
  jmp    L5
  nopl   0x0(%rax)
L41:
  mov    %r13,%rdi
  lea    0x1(%r14),%r15d
  call   <clxns_iter_get_next@plt>
  mov    $0x9,%edi
  mov    %rax,%r12
  call   <malloc@plt>
  mov    %rbx,%rsi
  mov    %r14d,%edx
  mov    %rax,%rbp
  mov    %rax,%rdi
  call   <sprintf@plt>
  mov    %rbp,%rsi
  mov    %r12,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L13
  mov    %r15d,%r14d
L5:
  mov    %r13,%rdi
  call   <clxns_iter_move_next@plt>
  test   %rax,%rax
  jne    L41
  lea    D1(%rip),%rax
  cmp    $0x1e,%r14d
  jne    L0
  mov    %r13,%rdi
  call   <clxns_iter_free@plt>
  mov    0x8(%rsp),%rdi
  mov    $0x1,%esi
  call   <clxns_free@plt>
  xor    %eax,%eax
  jmp    L0
  nopl   0x0(%rax)
L13:
  add    $0x18,%rsp
  lea    D23(%rip),%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

tool_calls: name: extract_symbolic_data
arguments: data_tag: D34
data_type: string
name: extract_symbolic_data
arguments: data_tag: D22
data_type: string
name: extract_symbolic_data
arguments: data_tag: D1
data_type: string
name: extract_symbolic_data
arguments: data_tag: D23
data_type: string

tool: D34: Wrong number of items in array

tool: D22: string%d

tool: D1: Incorrect iter count

tool: D23: Incorrect data in iter

assistant: ```c
char *ra_add_adjust() {
  int num_entries = 30;
  void *array = populate(4, num_entries);
  int s = clxns_count(array);
  do {
    if (!(s == num_entries))
      return "Wrong number of items in array";
  } while (0);
  int i = 0;
  void *iter = clxns_iter_new(array);
  while (clxns_iter_move_next(iter)) {
    char *res = clxns_iter_get_next(iter);
    char *buf = (char *)malloc(9);
    sprintf(buf, "string%d", i++);
    do {
      if (!(strcmp(res, buf) == 0))
        return "Incorrect data in iter";
    } while (0);
  }
  do {
    if (!(i == 30))
      return "Incorrect iter count";
  } while (0);
  clxns_iter_free(iter);
  clxns_free(array, 1);
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<ra_add_adjust>:
  endbr64
  push   %r15
  mov    $0x1e,%esi
  mov    $0x4,%edi
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  call   <populate@plt>
  mov    %rax,%rdi
  mov    %rax,0x8(%rsp)
  call   <clxns_count@plt>
  mov    %eax,%r8d
  lea    D26(%rip),%rax
  cmp    $0x1e,%r8d
  je     L41
L54:
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   (%rax)
L41:
  mov    0x8(%rsp),%rdi
  xor    %r14d,%r14d
  lea    D31(%rip),%rbx
  call   <clxns_iter_new@plt>
  mov    %rax,%r13
  jmp    L2
  nopl   0x0(%rax)
L59:
  mov    %r13,%rdi
  lea    0x1(%r14),%r15d
  call   <clxns_iter_get_next@plt>
  mov    $0x9,%edi
  mov    %rax,%r12
  call   <malloc@plt>
  mov    %rbx,%rsi
  mov    %r14d,%edx
  mov    %rax,%rbp
  mov    %rax,%rdi
  call   <sprintf@plt>
  mov    %rbp,%rsi
  mov    %r12,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L19
  mov    %r15d,%r14d
L2:
  mov    %r13,%rdi
  call   <clxns_iter_move_next@plt>
  test   %rax,%rax
  jne    L59
  lea    D2(%rip),%rax
  cmp    $0x1e,%r14d
  jne    L54
  mov    %r13,%rdi
  call   <clxns_iter_free@plt>
  mov    0x8(%rsp),%rdi
  mov    $0x1,%esi
  call   <clxns_free@plt>
  xor    %eax,%eax
  jmp    L54
  nopl   0x0(%rax)
L19:
  add    $0x18,%rsp
  lea    D35(%rip),%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D26
type: string
name: extract_symbolic_data
arguments: data_label: D31
type: string
name: extract_symbolic_data
arguments: data_label: D2
type: string
name: extract_symbolic_data
arguments: data_label: D35
type: string

tool: D26: Wrong number of items in array

tool: D31: string%d

tool: D2: Incorrect iter count

tool: D35: Incorrect data in iter

assistant: ```c
char *ra_add_adjust() {
  int num_entries = 30;
  void *array = populate(4, num_entries);
  int s = clxns_count(array);
  do {
    if (!(s == num_entries))
      return "Wrong number of items in array";
  } while (0);
  int i = 0;
  void *iter = clxns_iter_new(array);
  while (clxns_iter_move_next(iter)) {
    char *res = clxns_iter_get_next(iter);
    char *buf = (char *)malloc(9);
    sprintf(buf, "string%d", i++);
    do {
      if (!(strcmp(res, buf) == 0))
        return "Incorrect data in iter";
    } while (0);
  }
  do {
    if (!(i == 30))
      return "Incorrect iter count";
  } while (0);
  clxns_iter_free(iter);
  clxns_free(array, 1);
  return 0;
}
```
user: Translate the below assembly code into C programming language:

```asm
<ASN1_item_digest>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x50,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %rdx,-0x38(%rbp)
  mov    %rcx,-0x40(%rbp)
  mov    %r8,-0x48(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movq   $0x0,-0x10(%rbp)
  mov    -0x28(%rbp),%rdx
  lea    -0x10(%rbp),%rcx
  mov    -0x38(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <ASN1_item_i2d@plt>
  mov    %eax,-0x14(%rbp)
  mov    -0x10(%rbp),%rax
  test   %rax,%rax
  jne    L3
  mov    $0x0,%eax
  jmp    L5
L3:
  mov    -0x10(%rbp),%rax
  mov    -0x30(%rbp),%rdi
  mov    -0x48(%rbp),%rcx
  mov    -0x40(%rbp),%rdx
  mov    -0x14(%rbp),%esi
  mov    $0x0,%r9d
  mov    %rdi,%r8
  mov    %rax,%rdi
  call   <EVP_Digest@plt>
  test   %eax,%eax
  jne    L15
  mov    $0x0,%eax
  jmp    L5
L15:
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    $0x1,%eax
L5:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L38
  call   <__stack_chk_fail@plt>
L38:
  leave
  ret
```

assistant: ```c
int ASN1_item_digest(const ASN1_ITEM *it, const EVP_MD *type, void *asn, unsigned char *md, unsigned int *len) {
  int i;
  unsigned char *str = NULL;
  i = ASN1_item_i2d(asn, &str, it);
  if (!str)
    return (0);
  if (!EVP_Digest(str, i, md, len, type, NULL))
    return 0;
  free(str);
  return (1);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<ASN1_item_digest>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x10,%rsp
  mov    %rdi,%rax
  mov    %rsi,%rbp
  mov    %rdx,%rdi
  mov    %rcx,%rbx
  mov    %r8,%r12
  mov    %fs:0x28,%rdx
  mov    %rdx,0x8(%rsp)
  xor    %edx,%edx
  movq   $0x0,(%rsp)
  mov    %rsp,%rsi
  mov    %rax,%rdx
  call   <ASN1_item_i2d@plt>
  mov    %eax,%esi
  mov    (%rsp),%rdi
  mov    $0x0,%eax
  test   %rdi,%rdi
  je     L2
  mov    $0x0,%r9d
  mov    %rbp,%r8
  mov    %r12,%rcx
  mov    %rbx,%rdx
  call   <EVP_Digest@plt>
  test   %eax,%eax
  jne    L13
L2:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L7
  add    $0x10,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L13:
  mov    (%rsp),%rdi
  call   <free@plt>
  mov    $0x1,%eax
  jmp    L2
L7:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int ASN1_item_digest(const ASN1_ITEM *it, const EVP_MD *type, void *asn, unsigned char *md, unsigned int *len) {
  int i;
  unsigned char *str = NULL;
  i = ASN1_item_i2d(asn, &str, it);
  if (!str)
    return (0);
  if (!EVP_Digest(str, i, md, len, type, NULL))
    return 0;
  free(str);
  return (1);
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<ASN1_item_digest>:
  endbr64
  push   %r13
  mov    %rdi,%r9
  mov    %rdx,%rdi
  mov    %r8,%r13
  push   %r12
  mov    %r9,%rdx
  mov    %rcx,%r12
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rsi
  movq   $0x0,(%rsp)
  call   <ASN1_item_i2d@plt>
  mov    (%rsp),%rdi
  test   %rdi,%rdi
  je     L18
  xor    %r9d,%r9d
  mov    %eax,%esi
  mov    %rbx,%r8
  mov    %r13,%rcx
  mov    %r12,%rdx
  call   <EVP_Digest@plt>
  test   %eax,%eax
  jne    L20
L18:
  xor    %eax,%eax
L37:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L2
  add    $0x10,%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax,%rax,1)
L20:
  mov    (%rsp),%rdi
  call   <free@plt>
  mov    $0x1,%eax
  jmp    L37
L2:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int ASN1_item_digest(const ASN1_ITEM *it, const EVP_MD *type, void *asn, unsigned char *md, unsigned int *len) {
  int i;
  unsigned char *str = NULL;
  i = ASN1_item_i2d(asn, &str, it);
  if (!str)
    return (0);
  if (!EVP_Digest(str, i, md, len, type, NULL))
    return 0;
  free(str);
  return (1);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<ASN1_item_digest>:
  endbr64
  push   %r13
  mov    %rdi,%r9
  mov    %rdx,%rdi
  mov    %r8,%r13
  push   %r12
  mov    %r9,%rdx
  mov    %rcx,%r12
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rsi
  movq   $0x0,(%rsp)
  call   <ASN1_item_i2d@plt>
  mov    (%rsp),%rdi
  test   %rdi,%rdi
  je     L27
  xor    %r9d,%r9d
  mov    %eax,%esi
  mov    %rbx,%r8
  mov    %r13,%rcx
  mov    %r12,%rdx
  call   <EVP_Digest@plt>
  test   %eax,%eax
  jne    L34
L27:
  xor    %eax,%eax
L28:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L31
  add    $0x10,%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax,%rax,1)
L34:
  mov    (%rsp),%rdi
  call   <free@plt>
  mov    $0x1,%eax
  jmp    L28
L31:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int ASN1_item_digest(const ASN1_ITEM *it, const EVP_MD *type, void *asn, unsigned char *md, unsigned int *len) {
  int i;
  unsigned char *str = NULL;
  i = ASN1_item_i2d(asn, &str, it);
  if (!str)
    return (0);
  if (!EVP_Digest(str, i, md, len, type, NULL))
    return 0;
  free(str);
  return (1);
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<xwrite>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,-0x14(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %edx,-0x18(%rbp)
  jmp    L0
L7:
  mov    -0x18(%rbp),%edx
  mov    -0x20(%rbp),%rcx
  mov    -0x14(%rbp),%eax
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <write@plt>
  mov    %eax,-0x4(%rbp)
  cmpl   $0x0,-0x4(%rbp)
  jns    L2
  mov    -0x4(%rbp),%eax
  jmp    L12
L2:
  mov    -0x4(%rbp),%eax
  cltq
  add    %rax,-0x20(%rbp)
  mov    -0x4(%rbp),%eax
  sub    %eax,-0x18(%rbp)
L0:
  cmpl   $0x0,-0x18(%rbp)
  jne    L7
  mov    $0x0,%eax
L12:
  leave
  ret
```

assistant: ```c
int xwrite(int fd, void *buf, int len) {
  int ret;
  while (len) {
    ret = write(fd, buf, len);
    if (ret < 0)
      return ret;
    buf += ret;
    len -= ret;
  }
  return 0;
}
```
user: What is the c source code of the assembly code below?

```asm
<xwrite>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %edi,%r12d
  mov    %rsi,%rbp
  mov    %edx,%ebx
  test   %edx,%edx
  je     L15
L5:
  mov    %ebx,%edx
  mov    %rbp,%rsi
  mov    %r12d,%edi
  call   <write@plt>
  test   %eax,%eax
  js     L0
  movslq %eax,%rdx
  add    %rdx,%rbp
  sub    %eax,%ebx
  jne    L5
  mov    %ebx,%eax
L0:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L15:
  mov    %edx,%eax
  jmp    L0
```

assistant: ```c
int xwrite(int fd, void *buf, int len) {
  int ret;
  while (len) {
    ret = write(fd, buf, len);
    if (ret < 0)
      return ret;
    buf += ret;
    len -= ret;
  }
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<xwrite>:
  endbr64
  test   %edx,%edx
  je     L33
  push   %r12
  mov    %edi,%r12d
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  mov    %edx,%ebx
  jmp    L10
  cs nopw 0x0(%rax,%rax,1)
L24:
  movslq %eax,%rdx
  add    %rdx,%rbp
  sub    %eax,%ebx
  je     L30
L10:
  mov    %ebx,%edx
  mov    %rbp,%rsi
  mov    %r12d,%edi
  call   <write@plt>
  test   %eax,%eax
  jns    L24
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L30:
  pop    %rbx
  xor    %eax,%eax
  pop    %rbp
  pop    %r12
  ret
L33:
  xor    %eax,%eax
  ret
```

assistant: ```c
int xwrite(int fd, void *buf, int len) {
  int ret;
  while (len) {
    ret = write(fd, buf, len);
    if (ret < 0)
      return ret;
    buf += ret;
    len -= ret;
  }
  return 0;
}
```
user: What is the c source code of the assembly code below:

```asm
<xwrite>:
  endbr64
  test   %edx,%edx
  je     L31
  push   %r12
  mov    %edi,%r12d
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  mov    %edx,%ebx
  jmp    L7
  cs nopw 0x0(%rax,%rax,1)
L4:
  movslq %eax,%rdx
  add    %rdx,%rbp
  sub    %eax,%ebx
  je     L9
L7:
  mov    %ebx,%edx
  mov    %rbp,%rsi
  mov    %r12d,%edi
  call   <write@plt>
  test   %eax,%eax
  jns    L4
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L9:
  pop    %rbx
  xor    %eax,%eax
  pop    %rbp
  pop    %r12
  ret
L31:
  xor    %eax,%eax
  ret
```

assistant: ```c
int xwrite(int fd, void *buf, int len) {
  int ret;
  while (len) {
    ret = write(fd, buf, len);
    if (ret < 0)
      return ret;
    buf += ret;
    len -= ret;
  }
  return 0;
}
```