ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<memmem>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %rdx,-0x38(%rbp)
  mov    %rcx,-0x40(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x38(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  mov    -0x10(%rbp),%rax
  mov    %rax,-0x20(%rbp)
  jmp    L71
L75:
  movq   $0x0,-0x18(%rbp)
  jmp    L17
L76:
  addq   $0x1,-0x18(%rbp)
L17:
  mov    -0x18(%rbp),%rax
  cmp    -0x40(%rbp),%rax
  jae    L24
  mov    -0x20(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  add    %rax,%rdx
  mov    -0x10(%rbp),%rcx
  mov    -0x30(%rbp),%rax
  add    %rcx,%rax
  cmp    %rax,%rdx
  jae    L24
  mov    -0x20(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%edx
  mov    -0x8(%rbp),%rcx
  mov    -0x18(%rbp),%rax
  add    %rcx,%rax
  movzbl (%rax),%eax
  cmp    %al,%dl
  je     L76
L24:
  mov    -0x18(%rbp),%rax
  cmp    -0x40(%rbp),%rax
  jne    L54
  mov    -0x20(%rbp),%rax
  jmp    L52
L54:
  addq   $0x1,-0x20(%rbp)
L71:
  mov    -0x10(%rbp),%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  cmp    %rax,-0x20(%rbp)
  jb     L75
  mov    $0x0,%eax
L52:
  pop    %rbp
  ret
```

assistant: ```c
void *memmem(const void *haystack, size_t haystacklen, const void *needle, size_t needlelen) {
  const char *start;
  const char *h = haystack;
  const char *n = needle;
  for (start = h; start < h + haystacklen; start++) {
    size_t len = 0;
    while (len < needlelen && start + len < h + haystacklen && start[len] == n[len]) {
      len++;
    }
    if (len == needlelen) {
      return (void *)start;
    }
  }
  return NULL;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<memmem>:
  endbr64
  lea    (%rdi,%rsi,1),%r8
  cmp    %r8,%rdi
  jb     L36
  mov    $0x0,%edi
  jmp    L22
L68:
  cmp    %rax,%rcx
  je     L22
L49:
  add    $0x1,%rdi
  sub    $0x1,%rsi
  cmp    %r8,%rdi
  je     L97
L36:
  test   %rcx,%rcx
  je     L22
  mov    $0x0,%eax
  cmp    %rdi,%r8
  jbe    L49
L82:
  movzbl (%rdx,%rax,1),%r9d
  cmp    %r9b,(%rdi,%rax,1)
  jne    L68
  add    $0x1,%rax
  cmp    %rax,%rcx
  je     L22
  cmp    %rsi,%rax
  jne    L82
  jmp    L49
L97:
  mov    $0x0,%edi
L22:
  mov    %rdi,%rax
  ret
```

assistant: ```c
void *memmem(const void *haystack, size_t haystacklen, const void *needle, size_t needlelen) {
  const char *start;
  const char *h = haystack;
  const char *n = needle;
  for (start = h; start < h + haystacklen; start++) {
    size_t len = 0;
    while (len < needlelen && start + len < h + haystacklen && start[len] == n[len]) {
      len++;
    }
    if (len == needlelen) {
      return (void *)start;
    }
  }
  return NULL;
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<memmem>:
  endbr64
  mov    %rdi,%r8
  lea    (%rdi,%rsi,1),%rdi
  cmp    %rdi,%r8
  jae    L32
L64:
  test   %rcx,%rcx
  je     L11
  xor    %eax,%eax
  cmp    %rdi,%r8
  jb     L0
  jmp    L47
  xchg   %ax,%ax
L71:
  add    $0x1,%rax
  cmp    %rax,%rcx
  je     L11
  cmp    %rsi,%rax
  je     L47
L0:
  movzbl (%rdx,%rax,1),%r9d
  cmp    %r9b,(%r8,%rax,1)
  je     L71
L47:
  add    $0x1,%r8
  sub    $0x1,%rsi
  cmp    %rdi,%r8
  jne    L64
L32:
  xor    %r8d,%r8d
L11:
  mov    %r8,%rax
  ret
```

assistant: ```c
void *memmem(const void *haystack, size_t haystacklen, const void *needle, size_t needlelen) {
  const char *start;
  const char *h = haystack;
  const char *n = needle;
  for (start = h; start < h + haystacklen; start++) {
    size_t len = 0;
    while (len < needlelen && start + len < h + haystacklen && start[len] == n[len]) {
      len++;
    }
    if (len == needlelen) {
      return (void *)start;
    }
  }
  return NULL;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<memmem>:
  endbr64
  mov    %rdi,%r8
  lea    (%rdi,%rsi,1),%rdi
  cmp    %rdi,%r8
  jae    L52
L33:
  test   %rcx,%rcx
  je     L24
  xor    %eax,%eax
  cmp    %rdi,%r8
  jb     L72
  jmp    L78
  xchg   %ax,%ax
L69:
  add    $0x1,%rax
  cmp    %rax,%rcx
  je     L24
  cmp    %rsi,%rax
  je     L78
L72:
  movzbl (%rdx,%rax,1),%r9d
  cmp    %r9b,(%r8,%rax,1)
  je     L69
L78:
  add    $0x1,%r8
  sub    $0x1,%rsi
  cmp    %rdi,%r8
  jne    L33
L52:
  xor    %r8d,%r8d
L24:
  mov    %r8,%rax
  ret
```

assistant: ```c
void *memmem(const void *haystack, size_t haystacklen, const void *needle, size_t needlelen) {
  const char *start;
  const char *h = haystack;
  const char *n = needle;
  for (start = h; start < h + haystacklen; start++) {
    size_t len = 0;
    while (len < needlelen && start + len < h + haystacklen && start[len] == n[len]) {
      len++;
    }
    if (len == needlelen) {
      return (void *)start;
    }
  }
  return NULL;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<removequotes>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movl   $0x0,-0xc(%rbp)
  lea    -0xc(%rbp),%rdx
  mov    -0x18(%rbp),%rcx
  mov    -0x20(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <ffc2s@plt>
  mov    -0xc(%rbp),%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L9
  call   <__stack_chk_fail@plt>
L9:
  leave
  ret
```

assistant: ```c
int removequotes(char *dest, const char *src) {
  int status = 0;
  ffc2s(src, dest, &status);
  return status;
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<removequotes>:
  endbr64
  sub    $0x18,%rsp
  mov    %rdi,%rax
  mov    %rsi,%rdi
  mov    %fs:0x28,%rdx
  mov    %rdx,0x8(%rsp)
  xor    %edx,%edx
  movl   $0x0,0x4(%rsp)
  lea    0x4(%rsp),%rdx
  mov    %rax,%rsi
  call   <ffc2s@plt>
  mov    0x4(%rsp),%eax
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L3
  add    $0x18,%rsp
  ret
L3:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int removequotes(char *dest, const char *src) {
  int status = 0;
  ffc2s(src, dest, &status);
  return status;
}
```
user: Translate the below assembly code into C programming language:

```asm
<removequotes>:
  endbr64
  sub    $0x18,%rsp
  mov    %rdi,%r8
  mov    %rsi,%rdi
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rdx
  mov    %r8,%rsi
  movl   $0x0,0x4(%rsp)
  call   <ffc2s@plt>
  mov    0x4(%rsp),%eax
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L4
  add    $0x18,%rsp
  ret
L4:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int removequotes(char *dest, const char *src) {
  int status = 0;
  ffc2s(src, dest, &status);
  return status;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<removequotes>:
  endbr64
  sub    $0x18,%rsp
  mov    %rdi,%r8
  mov    %rsi,%rdi
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rdx
  mov    %r8,%rsi
  movl   $0x0,0x4(%rsp)
  call   <ffc2s@plt>
  mov    0x4(%rsp),%eax
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L4
  add    $0x18,%rsp
  ret
L4:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int removequotes(char *dest, const char *src) {
  int status = 0;
  ffc2s(src, dest, &status);
  return status;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<scan_header_line>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    -0x10(%rbp),%rdx
  mov    -0x8(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <scan_log_format@plt>
  mov    -0x10(%rbp),%rdx
  mov    -0x8(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <scan_start_time@plt>
  nop
  leave
  ret
```

assistant: ```c
void scan_header_line(struct hdr_log_reader *reader, const char *line) {
  scan_log_format(reader, line);
  scan_start_time(reader, line);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<scan_header_line>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbx
  mov    %rsi,%rbp
  call   <scan_log_format@plt>
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <scan_start_time@plt>
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
void scan_header_line(struct hdr_log_reader *reader, const char *line) {
  scan_log_format(reader, line);
  scan_start_time(reader, line);
}
```
user: What is the c source code of the assembly code below?

```asm
<scan_header_line>:
  endbr64
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  mov    %rdi,%rbp
  sub    $0x8,%rsp
  call   <scan_log_format@plt>
  add    $0x8,%rsp
  mov    %r12,%rsi
  mov    %rbp,%rdi
  pop    %rbp
  pop    %r12
  jmp    1070 <scan_start_time@plt>
```

assistant: ```c
void scan_header_line(struct hdr_log_reader *reader, const char *line) {
  scan_log_format(reader, line);
  scan_start_time(reader, line);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<scan_header_line>:
  endbr64
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  mov    %rdi,%rbp
  sub    $0x8,%rsp
  call   <scan_log_format@plt>
  add    $0x8,%rsp
  mov    %r12,%rsi
  mov    %rbp,%rdi
  pop    %rbp
  pop    %r12
  jmp    1070 <scan_start_time@plt>
```

assistant: ```c
void scan_header_line(struct hdr_log_reader *reader, const char *line) {
  scan_log_format(reader, line);
  scan_start_time(reader, line);
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<__tx_user_ready>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %esi,-0xc(%rbp)
  cmpl   $0x82,-0xc(%rbp)
  je     L22
  cmpl   $0x82,-0xc(%rbp)
  jg     L14
  cmpl   $0x80,-0xc(%rbp)
  je     L19
  cmpl   $0x81,-0xc(%rbp)
  je     L63
  jmp    L14
L22:
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <__v1_tx_user_ready@plt>
  jmp    L14
L63:
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <__v2_tx_user_ready@plt>
  jmp    L14
L19:
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <__v3_tx_user_ready@plt>
  nop
L14:
  nop
  leave
  ret
```

assistant: ```c
void __tx_user_ready(void *base, int version) {
  switch (version) {
  case TPACKET_V1:
    __v1_tx_user_ready(base);
    break;
  case TPACKET_V2:
    __v2_tx_user_ready(base);
    break;
  case TPACKET_V3:
    __v3_tx_user_ready(base);
    break;
  }
}
```
user: Translate the below assembly code into C programming language:

```asm
<__tx_user_ready>:
  endbr64
  sub    $0x8,%rsp
  cmp    $0x81,%esi
  je     L26
  cmp    $0x82,%esi
  je     L15
  cmp    $0x80,%esi
  je     L52
L17:
  add    $0x8,%rsp
  ret
L15:
  call   <__v1_tx_user_ready@plt>
  jmp    L17
L26:
  call   <__v2_tx_user_ready@plt>
  jmp    L17
L52:
  call   <__v3_tx_user_ready@plt>
  jmp    L17
```

assistant: ```c
void __tx_user_ready(void *base, int version) {
  switch (version) {
  case TPACKET_V1:
    __v1_tx_user_ready(base);
    break;
  case TPACKET_V2:
    __v2_tx_user_ready(base);
    break;
  case TPACKET_V3:
    __v3_tx_user_ready(base);
    break;
  }
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<__tx_user_ready>:
  endbr64
  cmp    $0x81,%esi
  je     L29
  cmp    $0x82,%esi
  je     L17
  cmp    $0x80,%esi
  je     L10
  ret
  nopl   (%rax)
L29:
  jmp    1080 <__v2_tx_user_ready@plt>
  nopl   (%rax)
L10:
  jmp    1070 <__v3_tx_user_ready@plt>
  nopl   (%rax)
L17:
  jmp    1090 <__v1_tx_user_ready@plt>
```

assistant: ```c
void __tx_user_ready(void *base, int version) {
  switch (version) {
  case TPACKET_V1:
    __v1_tx_user_ready(base);
    break;
  case TPACKET_V2:
    __v2_tx_user_ready(base);
    break;
  case TPACKET_V3:
    __v3_tx_user_ready(base);
    break;
  }
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<__tx_user_ready>:
  endbr64
  cmp    $0x81,%esi
  je     L20
  cmp    $0x82,%esi
  je     L24
  cmp    $0x80,%esi
  je     L8
  ret
  nopl   (%rax)
L20:
  jmp    1080 <__v2_tx_user_ready@plt>
  nopl   (%rax)
L8:
  jmp    1070 <__v3_tx_user_ready@plt>
  nopl   (%rax)
L24:
  jmp    1090 <__v1_tx_user_ready@plt>
```

assistant: ```c
void __tx_user_ready(void *base, int version) {
  switch (version) {
  case TPACKET_V1:
    __v1_tx_user_ready(base);
    break;
  case TPACKET_V2:
    __v2_tx_user_ready(base);
    break;
  case TPACKET_V3:
    __v3_tx_user_ready(base);
    break;
  }
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<fix_invalid>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <strdup@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  jmp    L45
L69:
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x8e,%al
  jne    L135
  mov    -0x18(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movb   $0xae,(%rax)
  jmp    L15
L135:
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x90,%al
  jne    L126
  mov    -0x18(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movb   $0x27,(%rax)
  jmp    L15
L126:
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x9,%al
  je     L123
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0xd,%al
  je     L123
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0xa,%al
  jne    L134
L123:
  mov    -0x18(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  mov    -0x10(%rbp),%rdx
  movzbl (%rdx),%edx
  mov    %dl,(%rax)
  jmp    L15
L134:
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L65
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x1f,%al
  jbe    L15
L65:
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x7e,%al
  jbe    L52
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x9f,%al
  ja     L52
  mov    -0x18(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movb   $0x3f,(%rax)
  jmp    L15
L52:
  mov    -0x18(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  mov    -0x10(%rbp),%rdx
  movzbl (%rdx),%edx
  mov    %dl,(%rax)
L15:
  addq   $0x1,-0x10(%rbp)
L45:
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L69
  mov    -0x18(%rbp),%rax
  movb   $0x0,(%rax)
  mov    -0x8(%rbp),%rax
  leave
  ret
```

assistant: ```c
char *fix_invalid(const char *inbuf) {
  unsigned char *outbuf, *obp;
  unsigned char *ibp;
  obp = outbuf = (unsigned char *)strdup(inbuf);
  for (ibp = (unsigned char *)inbuf; *ibp; ++ibp) {
    if (*ibp == 0x8E)
      *obp++ = 0xAE;
    else if (*ibp == 0x90)
      *obp++ = '\'';
    else if (*ibp == '\t' || *ibp == '\r' || *ibp == '\n')
      *obp++ = *ibp;
    else if (*ibp > 0 && *ibp < ' ')
      ;
    else if (*ibp >= 0x7F && *ibp <= 0x9F)
      *obp++ = '?';
    else
      *obp++ = *ibp;
  }
  *obp = 0;
  return (char *)outbuf;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<fix_invalid>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  call   <strdup@plt>
  movzbl (%rbx),%edx
  test   %dl,%dl
  je     L119
  mov    %rax,%rcx
  jmp    L4
L127:
  movb   $0xae,(%rcx)
  lea    0x1(%rcx),%rcx
L26:
  add    $0x1,%rbx
  movzbl (%rbx),%edx
  test   %dl,%dl
  je     L57
L4:
  cmp    $0x8e,%dl
  je     L127
  cmp    $0x90,%dl
  je     L47
  lea    -0x9(%rdx),%esi
  cmp    $0x1,%sil
  jbe    L76
  cmp    $0xd,%dl
  jne    L77
L76:
  mov    %dl,(%rcx)
  lea    0x1(%rcx),%rcx
  jmp    L26
L47:
  movb   $0x27,(%rcx)
  lea    0x1(%rcx),%rcx
  jmp    L26
L77:
  lea    -0x1(%rdx),%esi
  cmp    $0x1e,%sil
  jbe    L26
  lea    -0x7f(%rdx),%esi
  cmp    $0x20,%sil
  ja     L111
  movb   $0x3f,(%rcx)
  lea    0x1(%rcx),%rcx
  jmp    L26
L111:
  mov    %dl,(%rcx)
  lea    0x1(%rcx),%rcx
  jmp    L26
L119:
  mov    %rax,%rcx
L57:
  movb   $0x0,(%rcx)
  pop    %rbx
  ret
```

assistant: ```c
char *fix_invalid(const char *inbuf) {
  unsigned char *outbuf, *obp;
  unsigned char *ibp;
  obp = outbuf = (unsigned char *)strdup(inbuf);
  for (ibp = (unsigned char *)inbuf; *ibp; ++ibp) {
    if (*ibp == 0x8E)
      *obp++ = 0xAE;
    else if (*ibp == 0x90)
      *obp++ = '\'';
    else if (*ibp == '\t' || *ibp == '\r' || *ibp == '\n')
      *obp++ = *ibp;
    else if (*ibp > 0 && *ibp < ' ')
      ;
    else if (*ibp >= 0x7F && *ibp <= 0x9F)
      *obp++ = '?';
    else
      *obp++ = *ibp;
  }
  *obp = 0;
  return (char *)outbuf;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<fix_invalid>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  call   <strdup@plt>
  movzbl (%rbx),%edx
  mov    %rax,%rcx
  test   %dl,%dl
  je     L109
  nopw   0x0(%rax,%rax,1)
L148:
  cmp    $0x8e,%dl
  je     L15
  cmp    $0x90,%dl
  je     L18
  lea    -0x9(%rdx),%esi
  cmp    $0x1,%sil
  jbe    L48
  cmp    $0xd,%dl
  je     L48
  lea    -0x1(%rdx),%esi
  cmp    $0x1e,%sil
  jbe    L137
  lea    -0x7f(%rdx),%edi
  lea    0x1(%rcx),%rsi
  cmp    $0x20,%dil
  ja     L32
  movb   $0x3f,(%rcx)
  mov    %rsi,%rcx
L137:
  movzbl 0x1(%rbx),%edx
  add    $0x1,%rbx
  test   %dl,%dl
  jne    L148
L109:
  movb   $0x0,(%rcx)
  pop    %rbx
  ret
  nopl   (%rax)
L15:
  add    $0x1,%rbx
  movb   $0xae,(%rcx)
  add    $0x1,%rcx
  movzbl (%rbx),%edx
  test   %dl,%dl
  jne    L148
  jmp    L109
  nopl   0x0(%rax)
L48:
  add    $0x1,%rbx
  mov    %dl,(%rcx)
  add    $0x1,%rcx
  movzbl (%rbx),%edx
  test   %dl,%dl
  jne    L148
  jmp    L109
  nopl   0x0(%rax,%rax,1)
L18:
  add    $0x1,%rbx
  movb   $0x27,(%rcx)
  add    $0x1,%rcx
  movzbl (%rbx),%edx
  test   %dl,%dl
  jne    L148
  jmp    L109
L32:
  add    $0x1,%rbx
  mov    %dl,(%rcx)
  mov    %rsi,%rcx
  movzbl (%rbx),%edx
  test   %dl,%dl
  jne    L148
  jmp    L109
```

assistant: ```c
char *fix_invalid(const char *inbuf) {
  unsigned char *outbuf, *obp;
  unsigned char *ibp;
  obp = outbuf = (unsigned char *)strdup(inbuf);
  for (ibp = (unsigned char *)inbuf; *ibp; ++ibp) {
    if (*ibp == 0x8E)
      *obp++ = 0xAE;
    else if (*ibp == 0x90)
      *obp++ = '\'';
    else if (*ibp == '\t' || *ibp == '\r' || *ibp == '\n')
      *obp++ = *ibp;
    else if (*ibp > 0 && *ibp < ' ')
      ;
    else if (*ibp >= 0x7F && *ibp <= 0x9F)
      *obp++ = '?';
    else
      *obp++ = *ibp;
  }
  *obp = 0;
  return (char *)outbuf;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<fix_invalid>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  call   <strdup@plt>
  movzbl (%rbx),%edx
  mov    %rax,%rcx
  test   %dl,%dl
  je     L18
  nopw   0x0(%rax,%rax,1)
L32:
  cmp    $0x8e,%dl
  je     L52
  cmp    $0x90,%dl
  je     L124
  lea    -0x9(%rdx),%esi
  cmp    $0x1,%sil
  jbe    L25
  cmp    $0xd,%dl
  je     L25
  lea    -0x1(%rdx),%esi
  cmp    $0x1e,%sil
  jbe    L15
  lea    -0x7f(%rdx),%edi
  lea    0x1(%rcx),%rsi
  cmp    $0x20,%dil
  ja     L141
  movb   $0x3f,(%rcx)
  mov    %rsi,%rcx
L15:
  movzbl 0x1(%rbx),%edx
  add    $0x1,%rbx
  test   %dl,%dl
  jne    L32
L18:
  movb   $0x0,(%rcx)
  pop    %rbx
  ret
  nopl   (%rax)
L52:
  add    $0x1,%rbx
  movb   $0xae,(%rcx)
  add    $0x1,%rcx
  movzbl (%rbx),%edx
  test   %dl,%dl
  jne    L32
  jmp    L18
  nopl   0x0(%rax)
L25:
  add    $0x1,%rbx
  mov    %dl,(%rcx)
  add    $0x1,%rcx
  movzbl (%rbx),%edx
  test   %dl,%dl
  jne    L32
  jmp    L18
  nopl   0x0(%rax,%rax,1)
L124:
  add    $0x1,%rbx
  movb   $0x27,(%rcx)
  add    $0x1,%rcx
  movzbl (%rbx),%edx
  test   %dl,%dl
  jne    L32
  jmp    L18
L141:
  add    $0x1,%rbx
  mov    %dl,(%rcx)
  mov    %rsi,%rcx
  movzbl (%rbx),%edx
  test   %dl,%dl
  jne    L32
  jmp    L18
```

assistant: ```c
char *fix_invalid(const char *inbuf) {
  unsigned char *outbuf, *obp;
  unsigned char *ibp;
  obp = outbuf = (unsigned char *)strdup(inbuf);
  for (ibp = (unsigned char *)inbuf; *ibp; ++ibp) {
    if (*ibp == 0x8E)
      *obp++ = 0xAE;
    else if (*ibp == 0x90)
      *obp++ = '\'';
    else if (*ibp == '\t' || *ibp == '\r' || *ibp == '\n')
      *obp++ = *ibp;
    else if (*ibp > 0 && *ibp < ' ')
      ;
    else if (*ibp >= 0x7F && *ibp <= 0x9F)
      *obp++ = '?';
    else
      *obp++ = *ibp;
  }
  *obp = 0;
  return (char *)outbuf;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<add_array>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  mov    %rcx,-0x30(%rbp)
  mov    -0x28(%rbp),%rax
  mov    (%rax),%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x30(%rbp),%rax
  lea    0x0(,%rax,4),%rdx
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rcx
  mov    -0x20(%rbp),%rax
  add    %rax,%rcx
  mov    -0x18(%rbp),%rax
  mov    %rax,%rsi
  mov    %rcx,%rdi
  call   <memcpy@plt>
  mov    -0x28(%rbp),%rax
  mov    (%rax),%eax
  mov    %eax,%edx
  mov    -0x30(%rbp),%rax
  shl    $0x2,%eax
  add    %edx,%eax
  mov    %eax,%edx
  mov    -0x28(%rbp),%rax
  mov    %edx,(%rax)
  mov    -0x4(%rbp),%eax
  leave
  ret
```

assistant: ```c
uint32_t add_array(int32_t *array, uint8_t *buffer, uint32_t *data_offset, size_t length) {
  uint32_t result = *data_offset;
  memcpy(buffer + result, array, length * sizeof(int32_t));
  *data_offset += length * sizeof(int32_t);
  return result;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<add_array>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdx,%rbp
  mov    %rcx,%rbx
  mov    (%rdx),%r12d
  lea    0x0(,%rcx,4),%rdx
  movslq %r12d,%rax
  lea    (%rsi,%rax,4),%rax
  mov    %rdi,%rsi
  mov    %rax,%rdi
  call   <memcpy@plt>
  shl    $0x2,%ebx
  add    %ebx,0x0(%rbp)
  mov    %r12d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
uint32_t add_array(int32_t *array, uint8_t *buffer, uint32_t *data_offset, size_t length) {
  uint32_t result = *data_offset;
  memcpy(buffer + result, array, length * sizeof(int32_t));
  *data_offset += length * sizeof(int32_t);
  return result;
}
```
user: What is the c source code of the assembly code below:

```asm
<add_array>:
  endbr64
  push   %r12
  mov    %rdi,%r8
  push   %rbp
  mov    %rdx,%rbp
  push   %rbx
  movslq (%rdx),%rax
  mov    %rcx,%rbx
  lea    0x0(,%rcx,4),%rdx
  shl    $0x2,%ebx
  mov    %rax,%r12
  lea    (%rsi,%rax,4),%rdi
  mov    %r8,%rsi
  call   <memcpy@plt>
  add    %ebx,0x0(%rbp)
  mov    %r12d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
uint32_t add_array(int32_t *array, uint8_t *buffer, uint32_t *data_offset, size_t length) {
  uint32_t result = *data_offset;
  memcpy(buffer + result, array, length * sizeof(int32_t));
  *data_offset += length * sizeof(int32_t);
  return result;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<add_array>:
  endbr64
  push   %r12
  mov    %rdi,%r8
  push   %rbp
  mov    %rdx,%rbp
  push   %rbx
  movslq (%rdx),%rax
  mov    %rcx,%rbx
  lea    0x0(,%rcx,4),%rdx
  shl    $0x2,%ebx
  mov    %rax,%r12
  lea    (%rsi,%rax,4),%rdi
  mov    %r8,%rsi
  call   <memcpy@plt>
  add    %ebx,0x0(%rbp)
  mov    %r12d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
uint32_t add_array(int32_t *array, uint8_t *buffer, uint32_t *data_offset, size_t length) {
  uint32_t result = *data_offset;
  memcpy(buffer + result, array, length * sizeof(int32_t));
  *data_offset += length * sizeof(int32_t);
  return result;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<deinterlace_yuv_supported>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %edi,-0x4(%rbp)
  cmpl   $0x6,-0x4(%rbp)
  je     L29
  cmpl   $0x6,-0x4(%rbp)
  jg     L114
  cmpl   $0x5,-0x4(%rbp)
  je     L119
  cmpl   $0x5,-0x4(%rbp)
  jg     L114
  cmpl   $0x0,-0x4(%rbp)
  je     L57
  cmpl   $0x0,-0x4(%rbp)
  js     L114
  mov    -0x4(%rbp),%eax
  sub    $0x1,%eax
  cmp    $0x3,%eax
  ja     L114
  jmp    L110
L57:
  mov    $0x1,%eax
  jmp    L35
L110:
  mov    $0x0,%eax
  call   <check_for_mmx@plt>
  jmp    L35
L119:
  mov    $0x0,%eax
  jmp    L35
L29:
  mov    $0x1,%eax
  jmp    L35
L114:
  mov    $0x0,%eax
L35:
  leave
  ret
```

assistant: ```c
int deinterlace_yuv_supported(int method) {
  switch (method) {
  case 0:
    return 1;
  case 1:
  case 2:
  case 3:
  case 4:
    return check_for_mmx();
  case 5:
    do {
    } while (0);
    return 0;
  case 6:
    return 1;
  }
  return 0;
}
```