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

```asm
<getSdSN>:
  endbr64
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x38,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  movb   $0x0,(%rdi)
  call   <SDCheck@plt>
  test   %rax,%rax
  je     L7
L46:
  mov    $0xffffffff,%eax
L18:
  mov    0x28(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L5
  add    $0x38,%rsp
  pop    %rbx
  pop    %rbp
  ret
  cs nopw 0x0(%rax,%rax,1)
L7:
  lea    D16(%rip),%rsi
  lea    D17(%rip),%rdi
  call   <fopen@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  je     L46
  mov    %rsp,%rdi
  mov    %rax,%rdx
  mov    $0x21,%esi
  call   <fgets@plt>
  test   %rax,%rax
  je     L25
  lea    0x12(%rsp),%rsi
  mov    $0x8,%edx
  mov    %rbx,%rdi
  call   <strncpy@plt>
  movb   $0x0,0x8(%rbx)
L25:
  mov    %rbp,%rdi
  call   <fclose@plt>
  xor    %eax,%eax
  cmpb   $0x0,(%rbx)
  sete   %al
  jmp    L18
L5:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: tag: D16
type: string
name: disassemble_data
arguments: tag: D17
type: string

tool: D16: r

tool: D17: /sys/block/mmcblk0/device/cid

assistant: ```c
int getSdSN(char *sn) {
  char cid[33];
  sn[0] = '\0';
  if (SDCheck() == 0) {
    FILE *fp;
    fp = fopen("/sys/block/mmcblk0/device/cid", "r");
    if (fp != NULL) {
      if (fgets(cid, 33, fp) != NULL) {
        strncpy(sn, &cid[18], 8);
        sn[8] = '\0';
      }
      fclose(fp);
      return sn[0] == '\0';
    }
  }
  return -1;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<getSdSN>:
  endbr64
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x38,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  movb   $0x0,(%rdi)
  call   <SDCheck@plt>
  test   %rax,%rax
  je     L31
L17:
  mov    $0xffffffff,%eax
L20:
  mov    0x28(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L37
  add    $0x38,%rsp
  pop    %rbx
  pop    %rbp
  ret
  cs nopw 0x0(%rax,%rax,1)
L31:
  lea    D7(%rip),%rsi
  lea    D13(%rip),%rdi
  call   <fopen@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  je     L17
  mov    %rsp,%rdi
  mov    %rax,%rdx
  mov    $0x21,%esi
  call   <fgets@plt>
  test   %rax,%rax
  je     L38
  lea    0x12(%rsp),%rsi
  mov    $0x8,%edx
  mov    %rbx,%rdi
  call   <strncpy@plt>
  movb   $0x0,0x8(%rbx)
L38:
  mov    %rbp,%rdi
  call   <fclose@plt>
  xor    %eax,%eax
  cmpb   $0x0,(%rbx)
  sete   %al
  jmp    L20
L37:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: data_label: D7
datatype: string
name: disassemble_data
arguments: data_label: D13
datatype: string

tool: D7: r

tool: D13: /sys/block/mmcblk0/device/cid

assistant: ```c
int getSdSN(char *sn) {
  char cid[33];
  sn[0] = '\0';
  if (SDCheck() == 0) {
    FILE *fp;
    fp = fopen("/sys/block/mmcblk0/device/cid", "r");
    if (fp != NULL) {
      if (fgets(cid, 33, fp) != NULL) {
        strncpy(sn, &cid[18], 8);
        sn[8] = '\0';
      }
      fclose(fp);
      return sn[0] == '\0';
    }
  }
  return -1;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<score_exact>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %edi,%ebp
  mov    %esi,%r12d
  mov    %rdx,%rbx
  mov    %rdx,%rdi
  call   <strlen@plt>
  sub    %r12d,%eax
  mov    %eax,%edx
  mov    $0x64,%esi
  sub    %eax,%esi
  test   %ebp,%ebp
  jle    L90
  movslq %ebp,%rdi
  cmpb   $0x2e,-0x1(%rbx,%rdi,1)
  je     L87
  mov    $0x0,%eax
  cmp    $0x1,%r12d
  je     L32
  mov    %ebp,%ecx
  sub    $0x2,%ecx
  js     L108
  movslq %ecx,%rax
  add    %rbx,%rax
L55:
  cmpb   $0x2e,(%rax)
  je     L108
  sub    $0x1,%ecx
  sub    $0x1,%rax
  cmp    $0xffffffff,%ecx
  jne    L55
L108:
  mov    %edx,%eax
  sub    %ecx,%eax
  sub    %eax,%esi
L71:
  mov    %ebp,%eax
  sub    $0x2,%eax
  js     L73
  cltq
  add    %rbx,%rax
  lea    -0x3(%rbx,%rdi,1),%r8
  lea    -0x2(%rbp),%ecx
  sub    %rcx,%r8
  mov    $0x0,%ecx
L64:
  cmpb   $0x2e,(%rax)
  sete   %dil
  movzbl %dil,%edi
  add    %edi,%ecx
  sub    $0x1,%rax
  cmp    %r8,%rax
  jne    L64
L51:
  sub    %ecx,%esi
L90:
  sub    %ebp,%edx
  sub    $0x1,%edx
  js     L31
  movslq %edx,%rax
  mov    $0x0,%edx
  movslq %r12d,%r12
  movslq %ebp,%rbp
  add    %rbp,%r12
  add    %r12,%rbx
L53:
  cmpb   $0x2e,(%rbx,%rax,1)
  sete   %cl
  movzbl %cl,%ecx
  add    %ecx,%edx
  sub    $0x1,%rax
  test   %eax,%eax
  jns    L53
L11:
  lea    (%rdx,%rdx,4),%eax
  sub    %eax,%esi
  mov    $0x1,%edi
  call   <max@plt>
L32:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L87:
  lea    -0x1(%rsi,%rbp,1),%esi
  jmp    L71
L73:
  mov    $0x0,%ecx
  jmp    L51
L31:
  mov    $0x0,%edx
  jmp    L11
```

assistant: ```c
int score_exact(int match_index, int match_len, const char *value) {
  int score = 100, value_len = strlen(value);
  score -= (value_len - match_len);
  if (match_index > 0) {
    if (value[match_index - 1] == '.') {
      score += (match_index - 1);
    } else if (match_len == 1) {
      return 0;
    } else {
      int i = match_index - 2;
      while (i >= 0 && value[i] != '.')
        --i;
      score -= (match_index - i) + (value_len - match_len - match_index);
    }
    int separators = 0, i = match_index - 2;
    while (i >= 0) {
      if (value[i] == '.') {
        separators += 1;
      }
      i--;
    }
    score -= separators;
  }
  int separators = 0;
  int i = value_len - match_len - match_index - 1;
  while (i >= 0) {
    if (value[match_index + match_len + i] == '.') {
      separators += 1;
    }
    i--;
  }
  score -= separators * 5;
  return max(1, score);
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<score_exact>:
  endbr64
  push   %r12
  mov    %edi,%r12d
  mov    %rdx,%rdi
  push   %rbp
  mov    %esi,%ebp
  push   %rbx
  mov    %rdx,%rbx
  call   <strlen@plt>
  mov    $0x64,%r8d
  sub    %ebp,%eax
  sub    %eax,%r8d
  test   %r12d,%r12d
  jle    L24
  movslq %r12d,%rdx
  cmpb   $0x2e,-0x1(%rbx,%rdx,1)
  je     L22
  cmp    $0x1,%ebp
  je     L69
  lea    -0x2(%r12),%esi
  cmp    $0x1,%r12d
  je     L6
  movslq %esi,%rdx
  jmp    L101
  nop
L20:
  sub    $0x1,%rdx
  mov    %edx,%ecx
  cmp    $0xffffffff,%edx
  je     L21
L101:
  cmpb   $0x2e,(%rbx,%rdx,1)
  mov    %edx,%ecx
  jne    L20
L21:
  mov    %eax,%edx
  sub    %ecx,%edx
  sub    %edx,%r8d
  jmp    L10
  nopl   0x0(%rax)
L22:
  lea    -0x1(%r8,%r12,1),%r8d
  lea    -0x2(%r12),%esi
L10:
  cmp    $0xffffffff,%esi
  je     L24
  movslq %esi,%rcx
  lea    -0x1(%rbx,%rcx,1),%rdi
  lea    (%rbx,%rcx,1),%rdx
  sub    %rcx,%rdi
  xor    %ecx,%ecx
L94:
  xor    %esi,%esi
  cmpb   $0x2e,(%rdx)
  sete   %sil
  sub    $0x1,%rdx
  add    %esi,%ecx
  cmp    %rdx,%rdi
  jne    L94
  sub    %ecx,%r8d
L24:
  sub    %r12d,%eax
  sub    $0x1,%eax
  js     L72
  add    %r12d,%ebp
  cltq
  xor    %edx,%edx
  movslq %ebp,%rbp
  lea    (%rbx,%rbp,1),%rcx
  nopl   (%rax)
L74:
  xor    %esi,%esi
  cmpb   $0x2e,(%rcx,%rax,1)
  sete   %sil
  sub    $0x1,%rax
  add    %esi,%edx
  test   %eax,%eax
  jns    L74
  lea    (%rdx,%rdx,4),%eax
  sub    %eax,%r8d
L72:
  pop    %rbx
  mov    %r8d,%esi
  pop    %rbp
  mov    $0x1,%edi
  pop    %r12
  jmp    1070 <max@plt>
L69:
  pop    %rbx
  xor    %eax,%eax
  pop    %rbp
  pop    %r12
  ret
L6:
  mov    $0xffffffff,%ecx
  jmp    L21
```

assistant: ```c
int score_exact(int match_index, int match_len, const char *value) {
  int score = 100, value_len = strlen(value);
  score -= (value_len - match_len);
  if (match_index > 0) {
    if (value[match_index - 1] == '.') {
      score += (match_index - 1);
    } else if (match_len == 1) {
      return 0;
    } else {
      int i = match_index - 2;
      while (i >= 0 && value[i] != '.')
        --i;
      score -= (match_index - i) + (value_len - match_len - match_index);
    }
    int separators = 0, i = match_index - 2;
    while (i >= 0) {
      if (value[i] == '.') {
        separators += 1;
      }
      i--;
    }
    score -= separators;
  }
  int separators = 0;
  int i = value_len - match_len - match_index - 1;
  while (i >= 0) {
    if (value[match_index + match_len + i] == '.') {
      separators += 1;
    }
    i--;
  }
  score -= separators * 5;
  return max(1, score);
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<score_exact>:
  endbr64
  push   %r12
  mov    %edi,%r12d
  mov    %rdx,%rdi
  push   %rbp
  mov    %esi,%ebp
  push   %rbx
  mov    %rdx,%rbx
  call   <strlen@plt>
  mov    $0x64,%r8d
  sub    %ebp,%eax
  sub    %eax,%r8d
  test   %r12d,%r12d
  jle    L50
  movslq %r12d,%rdx
  cmpb   $0x2e,-0x1(%rbx,%rdx,1)
  je     L58
  cmp    $0x1,%ebp
  je     L23
  lea    -0x2(%r12),%esi
  cmp    $0x1,%r12d
  je     L68
  movslq %esi,%rdx
  jmp    L122
  nop
L55:
  sub    $0x1,%rdx
  mov    %edx,%ecx
  cmp    $0xffffffff,%edx
  je     L69
L122:
  cmpb   $0x2e,(%rbx,%rdx,1)
  mov    %edx,%ecx
  jne    L55
L69:
  mov    %eax,%edx
  sub    %ecx,%edx
  sub    %edx,%r8d
  jmp    L73
  nopl   0x0(%rax)
L58:
  lea    -0x1(%r8,%r12,1),%r8d
  lea    -0x2(%r12),%esi
L73:
  cmp    $0xffffffff,%esi
  je     L50
  movslq %esi,%rcx
  lea    -0x1(%rbx,%rcx,1),%rdi
  lea    (%rbx,%rcx,1),%rdx
  sub    %rcx,%rdi
  xor    %ecx,%ecx
L129:
  xor    %esi,%esi
  cmpb   $0x2e,(%rdx)
  sete   %sil
  sub    $0x1,%rdx
  add    %esi,%ecx
  cmp    %rdx,%rdi
  jne    L129
  sub    %ecx,%r8d
L50:
  sub    %r12d,%eax
  sub    $0x1,%eax
  js     L13
  add    %r12d,%ebp
  cltq
  xor    %edx,%edx
  movslq %ebp,%rbp
  lea    (%rbx,%rbp,1),%rcx
  nopl   (%rax)
L89:
  xor    %esi,%esi
  cmpb   $0x2e,(%rcx,%rax,1)
  sete   %sil
  sub    $0x1,%rax
  add    %esi,%edx
  test   %eax,%eax
  jns    L89
  lea    (%rdx,%rdx,4),%eax
  sub    %eax,%r8d
L13:
  pop    %rbx
  mov    %r8d,%esi
  pop    %rbp
  mov    $0x1,%edi
  pop    %r12
  jmp    1070 <max@plt>
L23:
  pop    %rbx
  xor    %eax,%eax
  pop    %rbp
  pop    %r12
  ret
L68:
  mov    $0xffffffff,%ecx
  jmp    L69
```

assistant: ```c
int score_exact(int match_index, int match_len, const char *value) {
  int score = 100, value_len = strlen(value);
  score -= (value_len - match_len);
  if (match_index > 0) {
    if (value[match_index - 1] == '.') {
      score += (match_index - 1);
    } else if (match_len == 1) {
      return 0;
    } else {
      int i = match_index - 2;
      while (i >= 0 && value[i] != '.')
        --i;
      score -= (match_index - i) + (value_len - match_len - match_index);
    }
    int separators = 0, i = match_index - 2;
    while (i >= 0) {
      if (value[i] == '.') {
        separators += 1;
      }
      i--;
    }
    score -= separators;
  }
  int separators = 0;
  int i = value_len - match_len - match_index - 1;
  while (i >= 0) {
    if (value[match_index + match_len + i] == '.') {
      separators += 1;
    }
    i--;
  }
  score -= separators * 5;
  return max(1, score);
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<DefaultExtension>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  cltq
  lea    -0x1(%rax),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x8(%rbp)
  jmp    L28
L22:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2e,%al
  je     L29
  subq   $0x1,-0x8(%rbp)
L28:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2f,%al
  je     L1
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x5c,%al
  je     L1
  mov    -0x8(%rbp),%rax
  cmp    -0x18(%rbp),%rax
  jne    L22
L1:
  mov    -0x20(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcat@plt>
  jmp    L10
L29:
  nop
L10:
  leave
  ret
```

assistant: ```c
void DefaultExtension(char *path, const char *extension) {
  char *src;
  src = path + strlen(path) - 1;
  while (*src != '/' && *src != '\\' && src != path) {
    if (*src == '.')
      return;
    src--;
  }
  strcat(path, extension);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<DefaultExtension>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbx
  mov    %rsi,%rbp
  call   <strlen@plt>
  cltq
  lea    -0x1(%rbx,%rax,1),%rdx
  movzbl (%rdx),%eax
  cmp    $0x2f,%al
  setne  %sil
  cmp    $0x5c,%al
  setne  %cl
  test   %cl,%sil
  je     L25
  cmp    %rdx,%rbx
  je     L25
L28:
  cmp    $0x2e,%al
  je     L43
  sub    $0x1,%rdx
  movzbl (%rdx),%eax
  cmp    $0x2f,%al
  setne  %sil
  cmp    $0x5c,%al
  setne  %cl
  test   %cl,%sil
  je     L25
  cmp    %rdx,%rbx
  jne    L28
L25:
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <strcat@plt>
L43:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
void DefaultExtension(char *path, const char *extension) {
  char *src;
  src = path + strlen(path) - 1;
  while (*src != '/' && *src != '\\' && src != path) {
    if (*src == '.')
      return;
    src--;
  }
  strcat(path, extension);
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<DefaultExtension>:
  endbr64
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  mov    %rdi,%rbp
  sub    $0x8,%rsp
  call   <strlen@plt>
  cltq
  lea    -0x1(%rbp,%rax,1),%rdx
  movzbl (%rdx),%eax
  cmp    $0x2f,%al
  setne  %sil
  cmp    $0x5c,%al
  setne  %cl
  test   %cl,%sil
  jne    L6
  jmp    L46
  nopw   0x0(%rax,%rax,1)
L24:
  cmp    $0x2e,%al
  je     L35
  movzbl -0x1(%rdx),%eax
  sub    $0x1,%rdx
  cmp    $0x2f,%al
  setne  %r8b
  cmp    $0x5c,%al
  setne  %cl
  test   %cl,%r8b
  je     L46
L6:
  cmp    %rdx,%rbp
  jne    L24
L46:
  add    $0x8,%rsp
  mov    %r12,%rsi
  mov    %rbp,%rdi
  pop    %rbp
  pop    %r12
  jmp    1070 <strcat@plt>
  nopl   0x0(%rax,%rax,1)
L35:
  add    $0x8,%rsp
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
void DefaultExtension(char *path, const char *extension) {
  char *src;
  src = path + strlen(path) - 1;
  while (*src != '/' && *src != '\\' && src != path) {
    if (*src == '.')
      return;
    src--;
  }
  strcat(path, extension);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<DefaultExtension>:
  endbr64
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  mov    %rdi,%rbp
  sub    $0x8,%rsp
  call   <strlen@plt>
  cltq
  lea    -0x1(%rbp,%rax,1),%rdx
  movzbl (%rdx),%eax
  cmp    $0x2f,%al
  setne  %sil
  cmp    $0x5c,%al
  setne  %cl
  test   %cl,%sil
  jne    L32
  jmp    L8
  nopw   0x0(%rax,%rax,1)
L42:
  cmp    $0x2e,%al
  je     L31
  movzbl -0x1(%rdx),%eax
  sub    $0x1,%rdx
  cmp    $0x2f,%al
  setne  %r8b
  cmp    $0x5c,%al
  setne  %cl
  test   %cl,%r8b
  je     L8
L32:
  cmp    %rdx,%rbp
  jne    L42
L8:
  add    $0x8,%rsp
  mov    %r12,%rsi
  mov    %rbp,%rdi
  pop    %rbp
  pop    %r12
  jmp    1070 <strcat@plt>
  nopl   0x0(%rax,%rax,1)
L31:
  add    $0x8,%rsp
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
void DefaultExtension(char *path, const char *extension) {
  char *src;
  src = path + strlen(path) - 1;
  while (*src != '/' && *src != '\\' && src != path) {
    if (*src == '.')
      return;
    src--;
  }
  strcat(path, extension);
}
```
user: What is the c source code of the assembly code below:

```asm
<escape>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  add    %eax,%eax
  add    $0x1,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x8(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  jmp    L20
L38:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0xa,%al
  jne    L5
  mov    -0x10(%rbp),%rax
  movb   $0x5c,(%rax)
  addq   $0x1,-0x10(%rbp)
  mov    -0x10(%rbp),%rax
  movb   $0x6e,(%rax)
  jmp    L57
L5:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0xd,%al
  jne    L61
  mov    -0x10(%rbp),%rax
  movb   $0x5c,(%rax)
  addq   $0x1,-0x10(%rbp)
  mov    -0x10(%rbp),%rax
  movb   $0x72,(%rax)
  jmp    L57
L61:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x5c,%al
  jne    L59
  mov    -0x10(%rbp),%rax
  movb   $0x5c,(%rax)
  addq   $0x1,-0x10(%rbp)
  mov    -0x10(%rbp),%rax
  movb   $0x5c,(%rax)
  jmp    L57
L59:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%edx
  mov    -0x10(%rbp),%rax
  mov    %dl,(%rax)
L57:
  addq   $0x1,-0x10(%rbp)
  addq   $0x1,-0x18(%rbp)
L20:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L38
  mov    -0x10(%rbp),%rax
  movb   $0x0,(%rax)
  mov    -0x8(%rbp),%rax
  leave
  ret
```

assistant: ```c
char *escape(const char *s) {
  char *e = malloc(strlen(s) * 2 + 1);
  const char *p = s;
  char *r = e;
  while (*p) {
    if (*p == '\n') {
      *r = '\\';
      r++;
      *r = 'n';
    } else if (*p == '\r') {
      *r = '\\';
      r++;
      *r = 'r';
    } else if (*p == '\\') {
      *r = '\\';
      r++;
      *r = '\\';
    } else
      *r = *p;
    r++;
    p++;
  }
  *r = 0;
  return e;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<escape>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  call   <strlen@plt>
  lea    0x1(%rax,%rax,1),%edi
  call   <malloc@plt>
  movzbl (%rbx),%edx
  test   %dl,%dl
  je     L26
  mov    %rax,%rcx
  jmp    L0
L32:
  movb   $0x5c,(%rcx)
  lea    0x1(%rcx),%rdx
  movb   $0x6e,0x1(%rcx)
L42:
  lea    0x1(%rdx),%rcx
  add    $0x1,%rbx
  movzbl (%rbx),%edx
  test   %dl,%dl
  je     L74
L0:
  cmp    $0xa,%dl
  je     L32
  cmp    $0xd,%dl
  je     L38
  cmp    $0x5c,%dl
  je     L73
  mov    %dl,(%rcx)
  mov    %rcx,%rdx
  jmp    L42
L38:
  movb   $0x5c,(%rcx)
  lea    0x1(%rcx),%rdx
  movb   $0x72,0x1(%rcx)
  jmp    L42
L73:
  movb   $0x5c,(%rcx)
  lea    0x1(%rcx),%rdx
  movb   $0x5c,0x1(%rcx)
  jmp    L42
L26:
  mov    %rax,%rcx
L74:
  movb   $0x0,(%rcx)
  pop    %rbx
  ret
```

assistant: ```c
char *escape(const char *s) {
  char *e = malloc(strlen(s) * 2 + 1);
  const char *p = s;
  char *r = e;
  while (*p) {
    if (*p == '\n') {
      *r = '\\';
      r++;
      *r = 'n';
    } else if (*p == '\r') {
      *r = '\\';
      r++;
      *r = 'r';
    } else if (*p == '\\') {
      *r = '\\';
      r++;
      *r = '\\';
    } else
      *r = *p;
    r++;
    p++;
  }
  *r = 0;
  return e;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<escape>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  call   <strlen@plt>
  lea    0x1(%rax,%rax,1),%edi
  call   <malloc@plt>
  movzbl (%rbx),%edx
  mov    %rax,%rcx
  test   %dl,%dl
  jne    L46
  jmp    L17
  nopw   0x0(%rax,%rax,1)
L18:
  cmp    $0xd,%dl
  je     L53
  cmp    $0x5c,%dl
  je     L58
  mov    %dl,(%rcx)
  mov    %rcx,%rsi
L24:
  movzbl 0x1(%rbx),%edx
  add    $0x1,%rbx
  lea    0x1(%rsi),%rcx
  test   %dl,%dl
  je     L17
L46:
  lea    0x1(%rcx),%rsi
  cmp    $0xa,%dl
  jne    L18
  mov    $0x6e5c,%r8d
  add    $0x1,%rbx
  mov    %r8w,(%rcx)
  movzbl (%rbx),%edx
  lea    0x1(%rsi),%rcx
  test   %dl,%dl
  jne    L46
L17:
  movb   $0x0,(%rcx)
  pop    %rbx
  ret
  xchg   %ax,%ax
L53:
  mov    $0x725c,%edi
  mov    %di,(%rcx)
  jmp    L24
  nopw   0x0(%rax,%rax,1)
L58:
  mov    $0x5c5c,%edx
  mov    %dx,(%rcx)
  jmp    L24
```

assistant: ```c
char *escape(const char *s) {
  char *e = malloc(strlen(s) * 2 + 1);
  const char *p = s;
  char *r = e;
  while (*p) {
    if (*p == '\n') {
      *r = '\\';
      r++;
      *r = 'n';
    } else if (*p == '\r') {
      *r = '\\';
      r++;
      *r = 'r';
    } else if (*p == '\\') {
      *r = '\\';
      r++;
      *r = '\\';
    } else
      *r = *p;
    r++;
    p++;
  }
  *r = 0;
  return e;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<escape>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  call   <strlen@plt>
  lea    0x1(%rax,%rax,1),%edi
  call   <malloc@plt>
  movzbl (%rbx),%edx
  mov    %rax,%rcx
  test   %dl,%dl
  jne    L60
  jmp    L4
  nopw   0x0(%rax,%rax,1)
L6:
  cmp    $0xd,%dl
  je     L30
  cmp    $0x5c,%dl
  je     L65
  mov    %dl,(%rcx)
  mov    %rcx,%rsi
L14:
  movzbl 0x1(%rbx),%edx
  add    $0x1,%rbx
  lea    0x1(%rsi),%rcx
  test   %dl,%dl
  je     L4
L60:
  lea    0x1(%rcx),%rsi
  cmp    $0xa,%dl
  jne    L6
  mov    $0x6e5c,%r8d
  add    $0x1,%rbx
  mov    %r8w,(%rcx)
  movzbl (%rbx),%edx
  lea    0x1(%rsi),%rcx
  test   %dl,%dl
  jne    L60
L4:
  movb   $0x0,(%rcx)
  pop    %rbx
  ret
  xchg   %ax,%ax
L30:
  mov    $0x725c,%edi
  mov    %di,(%rcx)
  jmp    L14
  nopw   0x0(%rax,%rax,1)
L65:
  mov    $0x5c5c,%edx
  mov    %dx,(%rcx)
  jmp    L14
```

assistant: ```c
char *escape(const char *s) {
  char *e = malloc(strlen(s) * 2 + 1);
  const char *p = s;
  char *r = e;
  while (*p) {
    if (*p == '\n') {
      *r = '\\';
      r++;
      *r = 'n';
    } else if (*p == '\r') {
      *r = '\\';
      r++;
      *r = 'r';
    } else if (*p == '\\') {
      *r = '\\';
      r++;
      *r = '\\';
    } else
      *r = *p;
    r++;
    p++;
  }
  *r = 0;
  return e;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<average>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  cmpl   $0x0,-0x1c(%rbp)
  jne    L36
  pxor   %xmm0,%xmm0
  jmp    L28
L36:
  movl   $0x0,-0x8(%rbp)
  movl   $0x0,-0x4(%rbp)
  jmp    L6
L21:
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  add    %eax,-0x4(%rbp)
  addl   $0x1,-0x8(%rbp)
L6:
  mov    -0x8(%rbp),%eax
  cmp    -0x1c(%rbp),%eax
  jl     L21
  pxor   %xmm0,%xmm0
  cvtsi2sdl -0x4(%rbp),%xmm0
  pxor   %xmm1,%xmm1
  cvtsi2sdl -0x8(%rbp),%xmm1
  divsd  %xmm1,%xmm0
L28:
  movq   %xmm0,%rax
  movq   %rax,%xmm0
  pop    %rbp
  ret
```

assistant: ```c
double average(int arr[], int n) {
  if (n == 0) {
    return 0;
  }
  int i = 0;
  int tot = 0;
  while (i < n) {
    tot += arr[i];
    i++;
  }
  return tot / (double)(i);
  ;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<average>:
  endbr64
  pxor   %xmm0,%xmm0
  test   %esi,%esi
  je     L19
  jle    L10
  mov    %rdi,%rax
  lea    -0x1(%rsi),%edx
  lea    0x4(%rdi,%rdx,4),%rcx
  mov    $0x0,%edx
L33:
  add    (%rax),%edx
  add    $0x4,%rax
  cmp    %rcx,%rax
  jne    L33
L13:
  pxor   %xmm0,%xmm0
  cvtsi2sd %edx,%xmm0
  pxor   %xmm1,%xmm1
  cvtsi2sd %esi,%xmm1
  divsd  %xmm1,%xmm0
L19:
  ret
L10:
  mov    $0x0,%edx
  mov    $0x0,%esi
  jmp    L13
```

assistant: ```c
double average(int arr[], int n) {
  if (n == 0) {
    return 0;
  }
  int i = 0;
  int tot = 0;
  while (i < n) {
    tot += arr[i];
    i++;
  }
  return tot / (double)(i);
  ;
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<average>:
  endbr64
  pxor   %xmm0,%xmm0
  test   %esi,%esi
  je     L2
  jle    L33
  lea    -0x1(%rsi),%eax
  lea    0x4(%rdi,%rax,4),%rdx
  xor    %eax,%eax
  nopl   0x0(%rax,%rax,1)
L8:
  add    (%rdi),%eax
  add    $0x4,%rdi
  cmp    %rdi,%rdx
  jne    L8
  pxor   %xmm0,%xmm0
  pxor   %xmm1,%xmm1
  cvtsi2sd %eax,%xmm0
  cvtsi2sd %esi,%xmm1
L16:
  divsd  %xmm1,%xmm0
L2:
  ret
L33:
  movapd %xmm0,%xmm1
  jmp    L16
```

assistant: ```c
double average(int arr[], int n) {
  if (n == 0) {
    return 0;
  }
  int i = 0;
  int tot = 0;
  while (i < n) {
    tot += arr[i];
    i++;
  }
  return tot / (double)(i);
  ;
}
```