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
<crypto_secretbox_xsalsa_open>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x48,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x38(%rsp)
  xor    %eax,%eax
  cmp    $0x1f,%rdx
  jbe    L37
  mov    %rdi,%rbx
  mov    %rsi,%r12
  mov    %rdx,%rbp
  mov    %rcx,%rsi
  mov    %r8,%r13
  mov    %r9d,%r14d
  lea    0x10(%rsp),%r15
  mov    %r9d,%r8d
  mov    %r13,%rcx
  mov    %rsi,0x8(%rsp)
  mov    %rsi,%rdx
  mov    $0x20,%esi
  mov    %r15,%rdi
  call   <crypto_stream_xsalsa@plt>
  lea    -0x20(%rbp),%rdx
  lea    0x20(%r12),%rsi
  lea    0x10(%r12),%rdi
  mov    %r15,%rcx
  call   <crypto_onetimeauth_poly1305_verify@plt>
  test   %rax,%rax
  jne    L7
  mov    %r14d,%r9d
  mov    %r13,%r8
  mov    0x8(%rsp),%rcx
  mov    %rbp,%rdx
  mov    %r12,%rsi
  mov    %rbx,%rdi
  call   <crypto_stream_xsalsa_xor@plt>
  mov    %rbx,%rax
  add    $0x20,%rbx
L0:
  movb   $0x0,(%rax)
  add    $0x1,%rax
  cmp    %rbx,%rax
  jne    L0
  mov    $0x0,%eax
L54:
  mov    0x38(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L56
  add    $0x48,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L37:
  mov    $0xffffffff,%eax
  jmp    L54
L7:
  mov    $0xffffffff,%eax
  jmp    L54
L56:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int crypto_secretbox_xsalsa_open(unsigned char *m, const unsigned char *c, unsigned long long clen, const unsigned char *n, const unsigned char *k, unsigned int rounds) {
  int i;
  unsigned char subkey[32];
  if (clen < 32)
    return -1;
  crypto_stream_xsalsa(subkey, 32, n, k, rounds);
  if (crypto_onetimeauth_poly1305_verify(c + 16, c + 32, clen - 32, subkey) != 0)
    return -1;
  crypto_stream_xsalsa_xor(m, c, clen, n, k, rounds);
  for (i = 0; i < 32; ++i)
    m[i] = 0;
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<crypto_secretbox_xsalsa_open>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x48,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x38(%rsp)
  xor    %eax,%eax
  cmp    $0x1f,%rdx
  jbe    L24
  mov    %rcx,%r13
  mov    %r8,%r14
  mov    %r9d,%r15d
  mov    %rsi,%rbp
  lea    0x10(%rsp),%r9
  mov    %rdx,%r12
  mov    %r14,%rcx
  mov    %r13,%rdx
  mov    $0x20,%esi
  mov    %rdi,%rbx
  mov    %r15d,%r8d
  mov    %r9,%rdi
  mov    %r9,0x8(%rsp)
  call   <crypto_stream_xsalsa@plt>
  mov    0x8(%rsp),%rcx
  lea    -0x20(%r12),%rdx
  lea    0x20(%rbp),%rsi
  lea    0x10(%rbp),%rdi
  call   <crypto_onetimeauth_poly1305_verify@plt>
  test   %rax,%rax
  jne    L24
  mov    %r15d,%r9d
  mov    %r14,%r8
  mov    %r13,%rcx
  mov    %r12,%rdx
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <crypto_stream_xsalsa_xor@plt>
  pxor   %xmm0,%xmm0
  xor    %eax,%eax
  movups %xmm0,(%rbx)
  movups %xmm0,0x10(%rbx)
L34:
  mov    0x38(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L39
  add    $0x48,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L24:
  mov    $0xffffffff,%eax
  jmp    L34
L39:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int crypto_secretbox_xsalsa_open(unsigned char *m, const unsigned char *c, unsigned long long clen, const unsigned char *n, const unsigned char *k, unsigned int rounds) {
  int i;
  unsigned char subkey[32];
  if (clen < 32)
    return -1;
  crypto_stream_xsalsa(subkey, 32, n, k, rounds);
  if (crypto_onetimeauth_poly1305_verify(c + 16, c + 32, clen - 32, subkey) != 0)
    return -1;
  crypto_stream_xsalsa_xor(m, c, clen, n, k, rounds);
  for (i = 0; i < 32; ++i)
    m[i] = 0;
  return 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<crypto_secretbox_xsalsa_open>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x48,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x38(%rsp)
  xor    %eax,%eax
  cmp    $0x1f,%rdx
  jbe    L23
  mov    %rcx,%r13
  mov    %r8,%r14
  mov    %r9d,%r15d
  mov    %rsi,%rbp
  lea    0x10(%rsp),%r9
  mov    %rdx,%r12
  mov    %r14,%rcx
  mov    %r13,%rdx
  mov    $0x20,%esi
  mov    %rdi,%rbx
  mov    %r15d,%r8d
  mov    %r9,%rdi
  mov    %r9,0x8(%rsp)
  call   <crypto_stream_xsalsa@plt>
  mov    0x8(%rsp),%rcx
  lea    -0x20(%r12),%rdx
  lea    0x20(%rbp),%rsi
  lea    0x10(%rbp),%rdi
  call   <crypto_onetimeauth_poly1305_verify@plt>
  test   %rax,%rax
  jne    L23
  mov    %r15d,%r9d
  mov    %r14,%r8
  mov    %r13,%rcx
  mov    %r12,%rdx
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <crypto_stream_xsalsa_xor@plt>
  pxor   %xmm0,%xmm0
  xor    %eax,%eax
  movups %xmm0,(%rbx)
  movups %xmm0,0x10(%rbx)
L15:
  mov    0x38(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L6
  add    $0x48,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L23:
  mov    $0xffffffff,%eax
  jmp    L15
L6:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int crypto_secretbox_xsalsa_open(unsigned char *m, const unsigned char *c, unsigned long long clen, const unsigned char *n, const unsigned char *k, unsigned int rounds) {
  int i;
  unsigned char subkey[32];
  if (clen < 32)
    return -1;
  crypto_stream_xsalsa(subkey, 32, n, k, rounds);
  if (crypto_onetimeauth_poly1305_verify(c + 16, c + 32, clen - 32, subkey) != 0)
    return -1;
  crypto_stream_xsalsa_xor(m, c, clen, n, k, rounds);
  for (i = 0; i < 32; ++i)
    m[i] = 0;
  return 0;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %edi,-0x4(%rbp)
  mov    %rsi,-0x10(%rbp)
  lea    D36(%rip),%rax
  mov    %rax,%rsi
  lea    D54(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  cmpl   $0x6,-0x4(%rbp)
  jne    L111
  mov    -0x10(%rbp),%rax
  add    $0x8,%rax
  mov    (%rax),%rax
  lea    D48(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L111
  mov    -0x10(%rbp),%rax
  add    $0x28,%rax
  mov    (%rax),%rcx
  mov    -0x10(%rbp),%rax
  add    $0x20,%rax
  mov    (%rax),%rdx
  mov    -0x10(%rbp),%rax
  add    $0x18,%rax
  mov    (%rax),%rsi
  mov    -0x10(%rbp),%rax
  add    $0x10,%rax
  mov    (%rax),%rax
  mov    %rax,%rdi
  call   <loki_patch@plt>
  jmp    L113
L111:
  cmpl   $0x4,-0x4(%rbp)
  jne    L97
  mov    -0x10(%rbp),%rax
  add    $0x8,%rax
  mov    (%rax),%rax
  lea    D5(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L97
  mov    -0x10(%rbp),%rax
  add    $0x18,%rax
  mov    (%rax),%rdx
  mov    -0x10(%rbp),%rax
  add    $0x10,%rax
  mov    (%rax),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <loki_flash@plt>
  jmp    L113
L97:
  cmpl   $0x3,-0x4(%rbp)
  jne    L95
  mov    -0x10(%rbp),%rax
  add    $0x8,%rax
  mov    (%rax),%rax
  lea    D30(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L95
  mov    -0x10(%rbp),%rax
  add    $0x10,%rax
  mov    (%rax),%rax
  mov    %rax,%rdi
  call   <loki_find@plt>
  jmp    L113
L95:
  cmpl   $0x4,-0x4(%rbp)
  jne    L108
  mov    -0x10(%rbp),%rax
  add    $0x8,%rax
  mov    (%rax),%rax
  lea    D17(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L108
  mov    -0x10(%rbp),%rax
  add    $0x18,%rax
  mov    (%rax),%rdx
  mov    -0x10(%rbp),%rax
  add    $0x10,%rax
  mov    (%rax),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <loki_unlok@plt>
  jmp    L113
L108:
  mov    -0x10(%rbp),%rax
  mov    (%rax),%rax
  mov    %rax,%rdi
  call   <print_help@plt>
L113:
  leave
  ret
```

tool_calls: name: parse_data
arguments: data_label: D36
datatype: string
name: parse_data
arguments: data_label: D54
datatype: string
name: parse_data
arguments: data_label: D48
datatype: string
name: parse_data
arguments: data_label: D5
datatype: string
name: parse_data
arguments: data_label: D30
datatype: string
name: parse_data
arguments: data_label: D17
datatype: string

tool: D36: 2.1

tool: D54: Loki tool v%s


tool: D48: patch

tool: D5: flash

tool: D30: find

tool: D17: unlok

assistant: ```c
int main(int argc, char **argv) {
  printf("Loki tool v%s\n", "2.1");
  if (argc == 6 && strcmp(argv[1], "patch") == 0) {
    return loki_patch(argv[2], argv[3], argv[4], argv[5]);
  } else if (argc == 4 && strcmp(argv[1], "flash") == 0) {
    return loki_flash(argv[2], argv[3]);
  } else if (argc == 3 && strcmp(argv[1], "find") == 0) {
    return loki_find(argv[2]);
  } else if (argc == 4 && strcmp(argv[1], "unlok") == 0) {
    return loki_unlok(argv[2], argv[3]);
  }
  return print_help(argv[0]);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<main>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %edi,%ebx
  mov    %rsi,%rbp
  lea    D49(%rip),%rsi
  lea    D16(%rip),%rdi
  call   <printf@plt>
  cmp    $0x6,%ebx
  je     L0
  cmp    $0x4,%ebx
  je     L66
  cmp    $0x3,%ebx
  jne    L36
  mov    0x8(%rbp),%rdi
  lea    D41(%rip),%rsi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L36
  mov    0x10(%rbp),%rdi
  call   <loki_find@plt>
  jmp    L40
L0:
  mov    0x8(%rbp),%rdi
  lea    D9(%rip),%rsi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L36
  mov    0x28(%rbp),%rcx
  mov    0x20(%rbp),%rdx
  mov    0x18(%rbp),%rsi
  mov    0x10(%rbp),%rdi
  call   <loki_patch@plt>
  jmp    L40
L66:
  mov    0x8(%rbp),%rdi
  lea    D6(%rip),%rsi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L71
  mov    0x8(%rbp),%rdi
  lea    D19(%rip),%rsi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L83
L36:
  mov    0x0(%rbp),%rdi
  call   <print_help@plt>
L40:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
L71:
  mov    0x18(%rbp),%rsi
  mov    0x10(%rbp),%rdi
  call   <loki_flash@plt>
  jmp    L40
L83:
  mov    0x18(%rbp),%rsi
  mov    0x10(%rbp),%rdi
  call   <loki_unlok@plt>
  jmp    L40
```

tool_calls: name: extract_symbolic_data
arguments: tag: D49
type: string
name: extract_symbolic_data
arguments: tag: D16
type: string
name: extract_symbolic_data
arguments: tag: D41
type: string
name: extract_symbolic_data
arguments: tag: D9
type: string
name: extract_symbolic_data
arguments: tag: D6
type: string
name: extract_symbolic_data
arguments: tag: D19
type: string

tool: D49: 2.1

tool: D16: Loki tool v%s


tool: D41: find

tool: D9: patch

tool: D6: flash

tool: D19: unlok

assistant: ```c
int main(int argc, char **argv) {
  printf("Loki tool v%s\n", "2.1");
  if (argc == 6 && strcmp(argv[1], "patch") == 0) {
    return loki_patch(argv[2], argv[3], argv[4], argv[5]);
  } else if (argc == 4 && strcmp(argv[1], "flash") == 0) {
    return loki_flash(argv[2], argv[3]);
  } else if (argc == 3 && strcmp(argv[1], "find") == 0) {
    return loki_find(argv[2]);
  } else if (argc == 4 && strcmp(argv[1], "unlok") == 0) {
    return loki_unlok(argv[2], argv[3]);
  }
  return print_help(argv[0]);
}
```
user: Translate the below assembly code into C programming language:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsi,%rbp
  lea    D5(%rip),%rsi
  push   %rbx
  mov    %edi,%ebx
  lea    D15(%rip),%rdi
  sub    $0x8,%rsp
  call   <printf@plt>
  cmp    $0x6,%ebx
  je     L36
  cmp    $0x4,%ebx
  je     L7
  cmp    $0x3,%ebx
  je     L49
L3:
  mov    0x0(%rbp),%rdi
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  jmp    1100 <print_help@plt>
L36:
  mov    0x8(%rbp),%rdi
  lea    D21(%rip),%rsi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L3
  mov    0x28(%rbp),%rcx
  mov    0x20(%rbp),%rdx
  mov    0x18(%rbp),%rsi
  mov    0x10(%rbp),%rdi
  pop    %r8
  pop    %rbx
  pop    %rbp
  jmp    1110 <loki_patch@plt>
L49:
  mov    0x8(%rbp),%rdi
  lea    D53(%rip),%rsi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L3
  mov    0x10(%rbp),%rdi
  pop    %rdx
  pop    %rbx
  pop    %rbp
  jmp    10c0 <loki_find@plt>
L7:
  mov    0x8(%rbp),%rdi
  lea    D44(%rip),%rsi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L26
  mov    0x8(%rbp),%rdi
  lea    D24(%rip),%rsi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L3
  mov    0x18(%rbp),%rsi
  mov    0x10(%rbp),%rdi
  pop    %rax
  pop    %rbx
  pop    %rbp
  jmp    10f0 <loki_unlok@plt>
L26:
  mov    0x18(%rbp),%rsi
  mov    0x10(%rbp),%rdi
  pop    %rcx
  pop    %rbx
  pop    %rbp
  jmp    10d0 <loki_flash@plt>
```

tool_calls: name: parse_data
arguments: data_label: D5
datatype: string
name: parse_data
arguments: data_label: D15
datatype: string
name: parse_data
arguments: data_label: D21
datatype: string
name: parse_data
arguments: data_label: D53
datatype: string
name: parse_data
arguments: data_label: D44
datatype: string
name: parse_data
arguments: data_label: D24
datatype: string

tool: D5: 2.1

tool: D15: Loki tool v%s


tool: D21: patch

tool: D53: find

tool: D44: flash

tool: D24: unlok

assistant: ```c
int main(int argc, char **argv) {
  printf("Loki tool v%s\n", "2.1");
  if (argc == 6 && strcmp(argv[1], "patch") == 0) {
    return loki_patch(argv[2], argv[3], argv[4], argv[5]);
  } else if (argc == 4 && strcmp(argv[1], "flash") == 0) {
    return loki_flash(argv[2], argv[3]);
  } else if (argc == 3 && strcmp(argv[1], "find") == 0) {
    return loki_find(argv[2]);
  } else if (argc == 4 && strcmp(argv[1], "unlok") == 0) {
    return loki_unlok(argv[2], argv[3]);
  }
  return print_help(argv[0]);
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsi,%rbp
  lea    D13(%rip),%rsi
  push   %rbx
  mov    %edi,%ebx
  lea    D40(%rip),%rdi
  sub    $0x8,%rsp
  call   <printf@plt>
  cmp    $0x6,%ebx
  je     L17
  cmp    $0x4,%ebx
  je     L38
  cmp    $0x3,%ebx
  je     L26
L16:
  mov    0x0(%rbp),%rdi
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  jmp    1100 <print_help@plt>
L17:
  mov    0x8(%rbp),%rdi
  lea    D3(%rip),%rsi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L16
  mov    0x28(%rbp),%rcx
  mov    0x20(%rbp),%rdx
  mov    0x18(%rbp),%rsi
  mov    0x10(%rbp),%rdi
  pop    %r8
  pop    %rbx
  pop    %rbp
  jmp    1110 <loki_patch@plt>
L26:
  mov    0x8(%rbp),%rdi
  lea    D20(%rip),%rsi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L16
  mov    0x10(%rbp),%rdi
  pop    %rdx
  pop    %rbx
  pop    %rbp
  jmp    10c0 <loki_find@plt>
L38:
  mov    0x8(%rbp),%rdi
  lea    D25(%rip),%rsi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L39
  mov    0x8(%rbp),%rdi
  lea    D12(%rip),%rsi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L16
  mov    0x18(%rbp),%rsi
  mov    0x10(%rbp),%rdi
  pop    %rax
  pop    %rbx
  pop    %rbp
  jmp    10f0 <loki_unlok@plt>
L39:
  mov    0x18(%rbp),%rsi
  mov    0x10(%rbp),%rdi
  pop    %rcx
  pop    %rbx
  pop    %rbp
  jmp    10d0 <loki_flash@plt>
```

tool_calls: name: parse_data
arguments: label: D13
type_guessed: string
name: parse_data
arguments: label: D40
type_guessed: string
name: parse_data
arguments: label: D3
type_guessed: string
name: parse_data
arguments: label: D20
type_guessed: string
name: parse_data
arguments: label: D25
type_guessed: string
name: parse_data
arguments: label: D12
type_guessed: string

tool: D13: 2.1

tool: D40: Loki tool v%s


tool: D3: patch

tool: D20: find

tool: D25: flash

tool: D12: unlok

assistant: ```c
int main(int argc, char **argv) {
  printf("Loki tool v%s\n", "2.1");
  if (argc == 6 && strcmp(argv[1], "patch") == 0) {
    return loki_patch(argv[2], argv[3], argv[4], argv[5]);
  } else if (argc == 4 && strcmp(argv[1], "flash") == 0) {
    return loki_flash(argv[2], argv[3]);
  } else if (argc == 3 && strcmp(argv[1], "find") == 0) {
    return loki_find(argv[2]);
  } else if (argc == 4 && strcmp(argv[1], "unlok") == 0) {
    return loki_unlok(argv[2], argv[3]);
  }
  return print_help(argv[0]);
}
```
user: Translate the below assembly code into C programming language:

```asm
<free_local>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movl   $0xc,-0xc(%rbp)
  lea    -0xc(%rbp),%rax
  mov    %rax,%rdi
  call   <subfn@plt>
  mov    $0x1,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L8
  call   <__stack_chk_fail@plt>
L8:
  leave
  ret
```

assistant: ```c
int free_local() {
  volatile int x = 12;
  subfn((int *)&x);
  return 1;
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<free_local>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  movl   $0xc,0x4(%rsp)
  lea    0x4(%rsp),%rdi
  call   <subfn@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L3
  mov    $0x1,%eax
  add    $0x18,%rsp
  ret
L3:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int free_local() {
  volatile int x = 12;
  subfn((int *)&x);
  return 1;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<free_local>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rdi
  movl   $0xc,0x4(%rsp)
  call   <subfn@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L1
  mov    $0x1,%eax
  add    $0x18,%rsp
  ret
L1:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int free_local() {
  volatile int x = 12;
  subfn((int *)&x);
  return 1;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<free_local>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rdi
  movl   $0xc,0x4(%rsp)
  call   <subfn@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L1
  mov    $0x1,%eax
  add    $0x18,%rsp
  ret
L1:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int free_local() {
  volatile int x = 12;
  subfn((int *)&x);
  return 1;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<out>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    %rdx,-0x18(%rbp)
  mov    %ecx,-0x1c(%rbp)
  mov    %r8,-0x28(%rbp)
  cmpl   $0x0,-0x1c(%rbp)
  je     L85
  jmp    L159
L220:
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  cmp    $0x25,%eax
  je     L183
  cmp    $0x5c,%eax
  je     L15
  jmp    L148
L183:
  addq   $0x1,-0x28(%rbp)
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  cmp    $0x6d,%eax
  je     L90
  cmp    $0x6d,%eax
  jg     L55
  cmp    $0x66,%eax
  je     L228
  cmp    $0x66,%eax
  jg     L55
  cmp    $0x4d,%eax
  je     L92
  cmp    $0x63,%eax
  jne    L55
  mov    -0x8(%rbp),%rdx
  mov    -0x1c(%rbp),%eax
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <wrstr@plt>
  jmp    L212
L228:
  mov    -0x10(%rbp),%rdx
  mov    -0x1c(%rbp),%eax
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <wrstr@plt>
  jmp    L212
L90:
  mov    -0x18(%rbp),%rdx
  mov    -0x1c(%rbp),%eax
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <wrstr@plt>
  jmp    L212
L92:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%edx
  mov    -0x1c(%rbp),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <wrchr@plt>
  jmp    L212
L55:
  subq   $0x1,-0x28(%rbp)
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%edx
  mov    -0x1c(%rbp),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <wrchr@plt>
  nop
L212:
  jmp    L217
L15:
  addq   $0x1,-0x28(%rbp)
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  cmp    $0x6e,%eax
  je     L7
  cmp    $0x74,%eax
  je     L29
  jmp    L238
L7:
  mov    -0x1c(%rbp),%eax
  mov    $0xa,%esi
  mov    %eax,%edi
  call   <wrchr@plt>
  jmp    L129
L29:
  mov    -0x1c(%rbp),%eax
  mov    $0x9,%esi
  mov    %eax,%edi
  call   <wrchr@plt>
  jmp    L129
L238:
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%edx
  mov    -0x1c(%rbp),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <wrchr@plt>
  nop
L129:
  jmp    L217
L148:
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%edx
  mov    -0x1c(%rbp),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <wrchr@plt>
  nop
L217:
  addq   $0x1,-0x28(%rbp)
L159:
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L220
  jmp    L101
L85:
  nop
L101:
  leave
  ret
```

assistant: ```c
void out(const char *call, char *file, char *mode, int fd, char *f) {
  if (!fd)
    return;
  for (; *f; f++) {
    switch (*f) {
    case '%':
      switch (*++f) {
      case 'c':
        wrstr(fd, call);
        break;
      case 'f':
        wrstr(fd, file);
        break;
      case 'm':
        wrstr(fd, mode);
        break;
      case 'M':
        wrchr(fd, *mode);
        break;
      default:
        wrchr(fd, *--f);
        break;
      }
      break;
    case '\\':
      switch (*++f) {
      case 'n':
        wrchr(fd, '\n');
        break;
      case 't':
        wrchr(fd, '\t');
        break;
      default:
        wrchr(fd, *f);
        break;
      }
      break;
    default:
      wrchr(fd, *f);
      break;
    }
  }
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<out>:
  endbr64
  test   %ecx,%ecx
  je     L88
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%r13
  mov    %rsi,%r14
  mov    %rdx,%r12
  mov    %ecx,%ebp
  mov    %r8,%rbx
  movzbl (%r8),%esi
  test   %sil,%sil
  jne    L131
L130:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L118:
  lea    0x1(%rbx),%r15
  movzbl 0x1(%rbx),%eax
  cmp    $0x66,%al
  je     L120
  jg     L169
  cmp    $0x4d,%al
  je     L152
  cmp    $0x63,%al
  jne    L147
  mov    %r13,%rsi
  mov    %ebp,%edi
  call   <wrstr@plt>
  jmp    L175
L169:
  cmp    $0x6d,%al
  jne    L147
  mov    %r12,%rsi
  mov    %ebp,%edi
  call   <wrstr@plt>
  jmp    L175
L120:
  mov    %r14,%rsi
  mov    %ebp,%edi
  call   <wrstr@plt>
  jmp    L175
L152:
  movsbl (%r12),%esi
  mov    %ebp,%edi
  call   <wrchr@plt>
  jmp    L175
L147:
  mov    $0x25,%esi
  mov    %ebp,%edi
  call   <wrchr@plt>
  mov    %rbx,%r15
  jmp    L175
L22:
  lea    0x1(%rbx),%r15
  movzbl 0x1(%rbx),%esi
  cmp    $0x6e,%sil
  je     L37
  cmp    $0x74,%sil
  je     L86
  movsbl %sil,%esi
  mov    %ebp,%edi
  call   <wrchr@plt>
  jmp    L175
L37:
  mov    $0xa,%esi
  mov    %ebp,%edi
  call   <wrchr@plt>
L175:
  lea    0x1(%r15),%rbx
  movzbl 0x1(%r15),%esi
  test   %sil,%sil
  je     L130
L131:
  cmp    $0x25,%sil
  je     L118
  cmp    $0x5c,%sil
  je     L22
  movsbl %sil,%esi
  mov    %ebp,%edi
  call   <wrchr@plt>
  mov    %rbx,%r15
  jmp    L175
L86:
  mov    $0x9,%esi
  mov    %ebp,%edi
  call   <wrchr@plt>
  jmp    L175
L88:
  ret
```

assistant: ```c
void out(const char *call, char *file, char *mode, int fd, char *f) {
  if (!fd)
    return;
  for (; *f; f++) {
    switch (*f) {
    case '%':
      switch (*++f) {
      case 'c':
        wrstr(fd, call);
        break;
      case 'f':
        wrstr(fd, file);
        break;
      case 'm':
        wrstr(fd, mode);
        break;
      case 'M':
        wrchr(fd, *mode);
        break;
      default:
        wrchr(fd, *--f);
        break;
      }
      break;
    case '\\':
      switch (*++f) {
      case 'n':
        wrchr(fd, '\n');
        break;
      case 't':
        wrchr(fd, '\t');
        break;
      default:
        wrchr(fd, *f);
        break;
      }
      break;
    default:
      wrchr(fd, *f);
      break;
    }
  }
}
```