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

```asm
<MARemoveMemoryBlock>:
  endbr64
  jmp    1050 <MAFreeMemoryBlock@plt>
```

assistant: ```c
void MARemoveMemoryBlock(struct MemoryPage *p_mempage, void *p) {
  MAFreeMemoryBlock(p_mempage, p);
  return;
}
```
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_get_ex_data>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %esi,-0xc(%rbp)
  mov    -0x8(%rbp),%rax
  mov    (%rax),%rax
  test   %rax,%rax
  jne    L19
  mov    $0x0,%eax
  jmp    L14
L19:
  mov    -0x8(%rbp),%rax
  mov    (%rax),%rax
  mov    %rax,%rdi
  call   <sk_num@plt>
  cmp    %eax,-0xc(%rbp)
  jl     L23
  mov    $0x0,%eax
  jmp    L14
L23:
  mov    -0x8(%rbp),%rax
  mov    (%rax),%rax
  mov    -0xc(%rbp),%edx
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <sk_value@plt>
L14:
  leave
  ret
```

assistant: ```c
void *CRYPTO_get_ex_data(const CRYPTO_EX_DATA *ad, int idx) {
  if (ad->sk == NULL)
    return (0);
  else if (idx >= sk_num(ad->sk))
    return (0);
  else
    return (sk_value(ad->sk, idx));
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<CRYPTO_get_ex_data>:
  endbr64
  mov    (%rdi),%rax
  test   %rax,%rax
  je     L10
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbx
  mov    %esi,%ebp
  mov    %rax,%rdi
  call   <sk_num@plt>
  mov    %eax,%edx
  mov    $0x0,%eax
  cmp    %ebp,%edx
  jle    L5
  mov    %ebp,%esi
  mov    (%rbx),%rdi
  call   <sk_value@plt>
L5:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
L10:
  ret
```

assistant: ```c
void *CRYPTO_get_ex_data(const CRYPTO_EX_DATA *ad, int idx) {
  if (ad->sk == NULL)
    return (0);
  else if (idx >= sk_num(ad->sk))
    return (0);
  else
    return (sk_value(ad->sk, idx));
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<CRYPTO_get_ex_data>:
  endbr64
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x8,%rsp
  mov    (%rdi),%rdi
  test   %rdi,%rdi
  je     L14
  mov    %esi,%ebp
  call   <sk_num@plt>
  cmp    %ebp,%eax
  jle    L14
  mov    (%rbx),%rdi
  add    $0x8,%rsp
  mov    %ebp,%esi
  pop    %rbx
  pop    %rbp
  jmp    1070 <sk_value@plt>
L14:
  add    $0x8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
void *CRYPTO_get_ex_data(const CRYPTO_EX_DATA *ad, int idx) {
  if (ad->sk == NULL)
    return (0);
  else if (idx >= sk_num(ad->sk))
    return (0);
  else
    return (sk_value(ad->sk, idx));
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<CRYPTO_get_ex_data>:
  endbr64
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x8,%rsp
  mov    (%rdi),%rdi
  test   %rdi,%rdi
  je     L0
  mov    %esi,%ebp
  call   <sk_num@plt>
  cmp    %ebp,%eax
  jle    L0
  mov    (%rbx),%rdi
  add    $0x8,%rsp
  mov    %ebp,%esi
  pop    %rbx
  pop    %rbp
  jmp    1070 <sk_value@plt>
L0:
  add    $0x8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
void *CRYPTO_get_ex_data(const CRYPTO_EX_DATA *ad, int idx) {
  if (ad->sk == NULL)
    return (0);
  else if (idx >= sk_num(ad->sk))
    return (0);
  else
    return (sk_value(ad->sk, idx));
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<ex_fstrncpy>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    %rdx,-0x18(%rbp)
  jmp    L14
L18:
  mov    -0x10(%rbp),%rdx
  lea    0x1(%rdx),%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x8(%rbp),%rax
  lea    0x1(%rax),%rcx
  mov    %rcx,-0x8(%rbp)
  movzbl (%rdx),%edx
  mov    %dl,(%rax)
L14:
  mov    -0x18(%rbp),%rax
  lea    -0x1(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  test   %rax,%rax
  je     L39
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L18
L39:
  nop
L1:
  subq   $0x1,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x20,%al
  je     L1
  addq   $0x1,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  movb   $0x0,(%rax)
  nop
  pop    %rbp
  ret
```

assistant: ```c
void ex_fstrncpy(char *target, char *source, size_t maxlen) {
  while (maxlen-- && *source != '\0')
    *target++ = *source++;
  while (*(--target) == ' ')
    ;
  *(++target) = '\0';
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<ex_fstrncpy>:
  endbr64
  test   %rdx,%rdx
  je     L23
  add    %rdi,%rdx
L22:
  movzbl (%rsi),%eax
  test   %al,%al
  je     L23
  add    $0x1,%rsi
  add    $0x1,%rdi
  mov    %al,-0x1(%rdi)
  cmp    %rdi,%rdx
  jne    L22
  mov    %rdx,%rdi
L23:
  mov    %rdi,%rax
  sub    $0x1,%rdi
  cmpb   $0x20,(%rdi)
  je     L23
  movb   $0x0,(%rax)
  ret
```

assistant: ```c
void ex_fstrncpy(char *target, char *source, size_t maxlen) {
  while (maxlen-- && *source != '\0')
    *target++ = *source++;
  while (*(--target) == ' ')
    ;
  *(++target) = '\0';
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<ex_fstrncpy>:
  endbr64
  test   %rdx,%rdx
  je     L34
  add    %rdi,%rdx
  jmp    L47
  xchg   %ax,%ax
L1:
  add    $0x1,%rdi
  add    $0x1,%rsi
  mov    %al,-0x1(%rdi)
  cmp    %rdx,%rdi
  je     L2
L47:
  movzbl (%rsi),%eax
  test   %al,%al
  jne    L1
L34:
  movzbl -0x1(%rdi),%eax
  mov    %rdi,%rdx
  lea    -0x1(%rdx),%rcx
  cmp    $0x20,%al
  jne    L45
  cs nopw 0x0(%rax,%rax,1)
L20:
  movzbl -0x2(%rdx),%eax
  mov    %rcx,%rdx
L2:
  lea    -0x1(%rdx),%rcx
  cmp    $0x20,%al
  je     L20
L45:
  movb   $0x0,(%rdx)
  ret
```

assistant: ```c
void ex_fstrncpy(char *target, char *source, size_t maxlen) {
  while (maxlen-- && *source != '\0')
    *target++ = *source++;
  while (*(--target) == ' ')
    ;
  *(++target) = '\0';
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<ex_fstrncpy>:
  endbr64
  test   %rdx,%rdx
  je     L45
  add    %rdi,%rdx
  jmp    L15
  xchg   %ax,%ax
L11:
  add    $0x1,%rdi
  add    $0x1,%rsi
  mov    %al,-0x1(%rdi)
  cmp    %rdi,%rdx
  je     L45
L15:
  movzbl (%rsi),%eax
  test   %al,%al
  jne    L11
  nopw   0x0(%rax,%rax,1)
L45:
  mov    %rdi,%rax
  sub    $0x1,%rdi
  cmpb   $0x20,(%rdi)
  je     L45
  movb   $0x0,(%rax)
  ret
```

assistant: ```c
void ex_fstrncpy(char *target, char *source, size_t maxlen) {
  while (maxlen-- && *source != '\0')
    *target++ = *source++;
  while (*(--target) == ' ')
    ;
  *(++target) = '\0';
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<print_hex>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,%ecx
  mov    %esi,%eax
  mov    %edx,-0x1c(%rbp)
  mov    %ecx,%edx
  mov    %dl,-0x14(%rbp)
  mov    %al,-0x18(%rbp)
  movb   $0xc,-0x1(%rbp)
  jmp    L14
L9:
  movsbl -0x1(%rbp),%eax
  mov    -0x1c(%rbp),%edx
  mov    %eax,%ecx
  shr    %cl,%edx
  mov    %edx,%eax
  and    $0xf,%eax
  mov    %eax,%edx
  movsbl -0x18(%rbp),%ecx
  movsbl -0x14(%rbp),%eax
  mov    %ecx,%esi
  mov    %eax,%edi
  call   <print_digit@plt>
  movzbl -0x1(%rbp),%eax
  sub    $0x4,%eax
  mov    %al,-0x1(%rbp)
  movzbl -0x14(%rbp),%eax
  add    $0x1,%eax
  mov    %al,-0x14(%rbp)
L14:
  cmpb   $0x0,-0x1(%rbp)
  jns    L9
  nop
  nop
  leave
  ret
```

assistant: ```c
void print_hex(char x, char y, unsigned num) {
  char i;
  for (i = 12; i >= 0; i -= 4, x += 1)
    print_digit(x, y, (num >> i) & 0x0f);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<print_hex>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %edx,%r13d
  mov    %edi,%ebp
  mov    $0xc,%ebx
  movsbl %sil,%r12d
L6:
  mov    %r13d,%edx
  mov    %ebx,%ecx
  shr    %cl,%edx
  and    $0xf,%edx
  movsbl %bpl,%edi
  mov    %r12d,%esi
  call   <print_digit@plt>
  add    $0x1,%ebp
  sub    $0x4,%ebx
  cmp    $0xfffffffc,%ebx
  jne    L6
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
void print_hex(char x, char y, unsigned num) {
  char i;
  for (i = 12; i >= 0; i -= 4, x += 1)
    print_digit(x, y, (num >> i) & 0x0f);
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<print_hex>:
  endbr64
  push   %r13
  movsbl %sil,%r13d
  push   %r12
  mov    %edx,%r12d
  push   %rbp
  mov    %edi,%ebp
  push   %rbx
  mov    $0xc,%ebx
  sub    $0x8,%rsp
L6:
  mov    %ebx,%ecx
  mov    %r12d,%edx
  movsbl %bpl,%edi
  mov    %r13d,%esi
  shr    %cl,%edx
  sub    $0x4,%ebx
  add    $0x1,%ebp
  and    $0xf,%edx
  call   <print_digit@plt>
  cmp    $0xfffffffc,%ebx
  jne    L6
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
void print_hex(char x, char y, unsigned num) {
  char i;
  for (i = 12; i >= 0; i -= 4, x += 1)
    print_digit(x, y, (num >> i) & 0x0f);
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<print_hex>:
  endbr64
  push   %r13
  movsbl %sil,%r13d
  push   %r12
  mov    %edx,%r12d
  push   %rbp
  mov    %edi,%ebp
  push   %rbx
  mov    $0xc,%ebx
  sub    $0x8,%rsp
L2:
  mov    %ebx,%ecx
  mov    %r12d,%edx
  movsbl %bpl,%edi
  mov    %r13d,%esi
  shr    %cl,%edx
  sub    $0x4,%ebx
  add    $0x1,%ebp
  and    $0xf,%edx
  call   <print_digit@plt>
  cmp    $0xfffffffc,%ebx
  jne    L2
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
void print_hex(char x, char y, unsigned num) {
  char i;
  for (i = 12; i >= 0; i -= 4, x += 1)
    print_digit(x, y, (num >> i) & 0x0f);
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<bson_realloc>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    -0x1c(%rbp),%edx
  mov    -0x18(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <realloc@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  setne  %al
  movzbl %al,%eax
  lea    D2(%rip),%rdx
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <bson_fatal_msg@plt>
  mov    -0x8(%rbp),%rax
  leave
  ret
```

tool_calls: name: disassemble_data
arguments: label: D2
type_infered: string

tool: D2: realloc() failed

assistant: ```c
void *bson_realloc(void *ptr, int size) {
  void *p = realloc(ptr, size);
  bson_fatal_msg(!!p, "realloc() failed");
  return p;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<bson_realloc>:
  endbr64
  push   %rbx
  call   <realloc@plt>
  mov    %rax,%rbx
  test   %rax,%rax
  setne  %dil
  movzbl %dil,%edi
  lea    D8(%rip),%rsi
  call   <bson_fatal_msg@plt>
  mov    %rbx,%rax
  pop    %rbx
  ret
```

tool_calls: name: disassemble_data
arguments: data_tag: D8
type_infered: string

tool: D8: realloc() failed

assistant: ```c
void *bson_realloc(void *ptr, int size) {
  void *p = realloc(ptr, size);
  bson_fatal_msg(!!p, "realloc() failed");
  return p;
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<bson_realloc>:
  endbr64
  push   %r12
  call   <realloc@plt>
  xor    %edi,%edi
  lea    D8(%rip),%rsi
  test   %rax,%rax
  mov    %rax,%r12
  setne  %dil
  call   <bson_fatal_msg@plt>
  mov    %r12,%rax
  pop    %r12
  ret
```

tool_calls: name: unpack_data
arguments: data_label: D8
type_infered: string

tool: D8: realloc() failed

assistant: ```c
void *bson_realloc(void *ptr, int size) {
  void *p = realloc(ptr, size);
  bson_fatal_msg(!!p, "realloc() failed");
  return p;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<bson_realloc>:
  endbr64
  push   %r12
  call   <realloc@plt>
  xor    %edi,%edi
  lea    D6(%rip),%rsi
  test   %rax,%rax
  mov    %rax,%r12
  setne  %dil
  call   <bson_fatal_msg@plt>
  mov    %r12,%rax
  pop    %r12
  ret
```

tool_calls: name: unpack_data
arguments: data_tag: D6
type_infered: string

tool: D6: realloc() failed

assistant: ```c
void *bson_realloc(void *ptr, int size) {
  void *p = realloc(ptr, size);
  bson_fatal_msg(!!p, "realloc() failed");
  return p;
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<strchr>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x8(%rbp)
  mov    %esi,-0xc(%rbp)
  jmp    L0
L2:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  cmp    %eax,-0xc(%rbp)
  jne    L14
  mov    -0x8(%rbp),%rax
  jmp    L31
L14:
  addq   $0x1,-0x8(%rbp)
L0:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L2
  mov    $0x0,%eax
L31:
  pop    %rbp
  ret
```

assistant: ```c
char *strchr(const char *str, int c) {
  while (*str)
    if (*str == c)
      return (char *)str;
    else
      str++;
  return 0;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<strchr>:
  endbr64
  movzbl (%rdi),%edx
  test   %dl,%dl
  je     L25
L6:
  movsbl %dl,%edx
  cmp    %esi,%edx
  je     L23
  add    $0x1,%rdi
  movzbl (%rdi),%edx
  test   %dl,%dl
  jne    L6
  mov    $0x0,%eax
  ret
L25:
  mov    $0x0,%eax
  ret
L23:
  mov    %rdi,%rax
  ret
```

assistant: ```c
char *strchr(const char *str, int c) {
  while (*str)
    if (*str == c)
      return (char *)str;
    else
      str++;
  return 0;
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<strchr>:
  endbr64
  jmp    L14
  cs nopw 0x0(%rax,%rax,1)
L22:
  cmp    %esi,%edx
  je     L8
  add    $0x1,%rdi
L14:
  movsbl (%rdi),%edx
  test   %dl,%dl
  jne    L22
  xor    %eax,%eax
  ret
  nopw   0x0(%rax,%rax,1)
L8:
  mov    %rdi,%rax
  ret
```

assistant: ```c
char *strchr(const char *str, int c) {
  while (*str)
    if (*str == c)
      return (char *)str;
    else
      str++;
  return 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<strchr>:
  endbr64
  jmp    L14
  cs nopw 0x0(%rax,%rax,1)
L28:
  cmp    %esi,%edx
  je     L15
  add    $0x1,%rdi
L14:
  movsbl (%rdi),%edx
  test   %dl,%dl
  jne    L28
  xor    %eax,%eax
  ret
  nopw   0x0(%rax,%rax,1)
L15:
  mov    %rdi,%rax
  ret
```

assistant: ```c
char *strchr(const char *str, int c) {
  while (*str)
    if (*str == c)
      return (char *)str;
    else
      str++;
  return 0;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<File_GetRecordByIndex>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %edx,-0x24(%rbp)
  mov    %ecx,-0x28(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <File_Open@plt>
  mov    %eax,-0x4(%rbp)
  cmpl   $0x0,-0x4(%rbp)
  jns    L57
  mov    $0xffffffff,%eax
  jmp    L29
L57:
  mov    D4(%rip),%rax
  mov    (%rax),%edx
  mov    -0x28(%rbp),%eax
  imul   -0x24(%rbp),%eax
  mov    %eax,%ecx
  mov    -0x4(%rbp),%eax
  mov    %ecx,%esi
  mov    %eax,%edi
  call   <lseek@plt>
  test   %rax,%rax
  jns    L58
  mov    -0x4(%rbp),%eax
  mov    %eax,%edi
  call   <File_Close@plt>
  mov    $0xffffffff,%eax
  jmp    L29
L58:
  mov    -0x24(%rbp),%edx
  mov    -0x20(%rbp),%rcx
  mov    -0x4(%rbp),%eax
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <read@plt>
  cmp    %eax,-0x24(%rbp)
  je     L16
  mov    -0x4(%rbp),%eax
  mov    %eax,%edi
  call   <File_Close@plt>
  mov    $0xffffffff,%eax
  jmp    L29
L16:
  mov    -0x4(%rbp),%eax
  mov    %eax,%edi
  call   <File_Close@plt>
  mov    -0x24(%rbp),%eax
L29:
  leave
  ret
```

assistant: ```c
int File_GetRecordByIndex(const char *FileName, void *Record, int Record_Len, int Record_Index) {
  int fd;
  if ((fd = File_Open(FileName)) < 0)
    return -1;
  if (lseek(fd, (Record_Index * Record_Len), SEEK_SET) < 0) {
    File_Close(fd);
    return -1;
  }
  if (read(fd, Record, Record_Len) != Record_Len) {
    File_Close(fd);
    return -1;
  }
  File_Close(fd);
  return Record_Len;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<File_GetRecordByIndex>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rsi,%r13
  mov    %edx,%ebx
  mov    %ecx,%r12d
  call   <File_Open@plt>
  test   %eax,%eax
  js     L11
  mov    %eax,%ebp
  mov    %r12d,%esi
  imul   %ebx,%esi
  mov    D2(%rip),%rax
  mov    (%rax),%edx
  mov    %ebp,%edi
  call   <lseek@plt>
  test   %rax,%rax
  js     L33
  mov    %ebx,%edx
  mov    %r13,%rsi
  mov    %ebp,%edi
  call   <read@plt>
  cmp    %ebx,%eax
  jne    L1
  mov    %ebp,%edi
  call   <File_Close@plt>
  mov    %ebx,%eax
L44:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L33:
  mov    %ebp,%edi
  call   <File_Close@plt>
  mov    $0xffffffff,%eax
  jmp    L44
L1:
  mov    %ebp,%edi
  call   <File_Close@plt>
  mov    $0xffffffff,%eax
  jmp    L44
L11:
  mov    $0xffffffff,%eax
  jmp    L44
```

assistant: ```c
int File_GetRecordByIndex(const char *FileName, void *Record, int Record_Len, int Record_Index) {
  int fd;
  if ((fd = File_Open(FileName)) < 0)
    return -1;
  if (lseek(fd, (Record_Index * Record_Len), SEEK_SET) < 0) {
    File_Close(fd);
    return -1;
  }
  if (read(fd, Record, Record_Len) != Record_Len) {
    File_Close(fd);
    return -1;
  }
  File_Close(fd);
  return Record_Len;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<File_GetRecordByIndex>:
  endbr64
  push   %r13
  mov    %rsi,%r13
  push   %r12
  mov    %edx,%r12d
  push   %rbp
  push   %rbx
  mov    %ecx,%ebx
  sub    $0x8,%rsp
  call   <File_Open@plt>
  test   %eax,%eax
  js     L48
  imul   %r12d,%ebx
  mov    %eax,%ebp
  mov    D0(%rip),%rax
  mov    %ebp,%edi
  mov    (%rax),%edx
  mov    %ebx,%esi
  call   <lseek@plt>
  test   %rax,%rax
  js     L10
  mov    %ebp,%edi
  mov    %r12d,%edx
  mov    %r13,%rsi
  call   <read@plt>
  mov    %ebp,%edi
  mov    %eax,%ebx
  cmp    %r12d,%eax
  jne    L45
  call   <File_Close@plt>
  mov    %ebx,%eax
L46:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax)
L45:
  call   <File_Close@plt>
  mov    $0xffffffff,%eax
  jmp    L46
  nopl   0x0(%rax)
L48:
  mov    $0xffffffff,%eax
  jmp    L46
L10:
  mov    %ebp,%edi
  call   <File_Close@plt>
  mov    $0xffffffff,%eax
  jmp    L46
```

assistant: ```c
int File_GetRecordByIndex(const char *FileName, void *Record, int Record_Len, int Record_Index) {
  int fd;
  if ((fd = File_Open(FileName)) < 0)
    return -1;
  if (lseek(fd, (Record_Index * Record_Len), SEEK_SET) < 0) {
    File_Close(fd);
    return -1;
  }
  if (read(fd, Record, Record_Len) != Record_Len) {
    File_Close(fd);
    return -1;
  }
  File_Close(fd);
  return Record_Len;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<File_GetRecordByIndex>:
  endbr64
  push   %r13
  mov    %rsi,%r13
  push   %r12
  mov    %edx,%r12d
  push   %rbp
  push   %rbx
  mov    %ecx,%ebx
  sub    $0x8,%rsp
  call   <File_Open@plt>
  test   %eax,%eax
  js     L17
  imul   %r12d,%ebx
  mov    %eax,%ebp
  mov    D8(%rip),%rax
  mov    %ebp,%edi
  mov    (%rax),%edx
  mov    %ebx,%esi
  call   <lseek@plt>
  test   %rax,%rax
  js     L15
  mov    %ebp,%edi
  mov    %r12d,%edx
  mov    %r13,%rsi
  call   <read@plt>
  mov    %ebp,%edi
  mov    %eax,%ebx
  cmp    %r12d,%eax
  jne    L34
  call   <File_Close@plt>
  mov    %ebx,%eax
L53:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax)
L34:
  call   <File_Close@plt>
  mov    $0xffffffff,%eax
  jmp    L53
  nopl   0x0(%rax)
L17:
  mov    $0xffffffff,%eax
  jmp    L53
L15:
  mov    %ebp,%edi
  call   <File_Close@plt>
  mov    $0xffffffff,%eax
  jmp    L53
```

assistant: ```c
int File_GetRecordByIndex(const char *FileName, void *Record, int Record_Len, int Record_Index) {
  int fd;
  if ((fd = File_Open(FileName)) < 0)
    return -1;
  if (lseek(fd, (Record_Index * Record_Len), SEEK_SET) < 0) {
    File_Close(fd);
    return -1;
  }
  if (read(fd, Record, Record_Len) != Record_Len) {
    File_Close(fd);
    return -1;
  }
  File_Close(fd);
  return Record_Len;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<strchr>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    -0x1c(%rbp),%eax
  mov    %al,-0x1(%rbp)
  jmp    L41
L8:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    %al,-0x1(%rbp)
  jne    L22
  mov    -0x18(%rbp),%rax
  jmp    L55
L22:
  addq   $0x1,-0x18(%rbp)
L41:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L8
  cmpb   $0x0,-0x1(%rbp)
  je     L35
  mov    $0x0,%eax
  jmp    L55
L35:
  mov    -0x18(%rbp),%rax
L55:
  pop    %rbp
  ret
```

assistant: ```c
char *__attribute__((unused)) strchr(const char *s, int c) {
  char ch = c;
  while (*s) {
    if (*s == ch)
      return (char *)s;
    ++s;
  }
  if (ch != '\0') {
    return (void *)0;
  } else {
    return (char *)s;
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<strchr>:
  endbr64
  mov    %esi,%edx
  movzbl (%rdi),%eax
  test   %al,%al
  je     L15
L8:
  cmp    %al,%dl
  je     L29
  add    $0x1,%rdi
  movzbl (%rdi),%eax
  test   %al,%al
  jne    L8
L15:
  test   %sil,%sil
  mov    $0x0,%eax
  cmove  %rdi,%rax
  ret
L29:
  mov    %rdi,%rax
  ret
```

assistant: ```c
char *__attribute__((unused)) strchr(const char *s, int c) {
  char ch = c;
  while (*s) {
    if (*s == ch)
      return (char *)s;
    ++s;
  }
  if (ch != '\0') {
    return (void *)0;
  } else {
    return (char *)s;
  }
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<strchr>:
  endbr64
  movzbl (%rdi),%eax
  mov    %esi,%edx
  test   %al,%al
  jne    L6
  jmp    L38
  nop
L36:
  movzbl 0x1(%rdi),%eax
  add    $0x1,%rdi
  test   %al,%al
  je     L38
L6:
  cmp    %al,%dl
  jne    L36
  mov    %rdi,%rax
  ret
  nopl   0x0(%rax)
L38:
  xor    %eax,%eax
  test   %sil,%sil
  cmove  %rdi,%rax
  ret
```

assistant: ```c
char *__attribute__((unused)) strchr(const char *s, int c) {
  char ch = c;
  while (*s) {
    if (*s == ch)
      return (char *)s;
    ++s;
  }
  if (ch != '\0') {
    return (void *)0;
  } else {
    return (char *)s;
  }
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<strchr>:
  endbr64
  movzbl (%rdi),%eax
  mov    %esi,%edx
  test   %al,%al
  jne    L14
  jmp    L31
  nop
L10:
  movzbl 0x1(%rdi),%eax
  add    $0x1,%rdi
  test   %al,%al
  je     L31
L14:
  cmp    %al,%dl
  jne    L10
  mov    %rdi,%rax
  ret
  nopl   0x0(%rax)
L31:
  xor    %eax,%eax
  test   %sil,%sil
  cmove  %rdi,%rax
  ret
```

assistant: ```c
char *__attribute__((unused)) strchr(const char *s, int c) {
  char ch = c;
  while (*s) {
    if (*s == ch)
      return (char *)s;
    ++s;
  }
  if (ch != '\0') {
    return (void *)0;
  } else {
    return (char *)s;
  }
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<ar_member_pos>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %edi,-0x4(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    %rdx,-0x18(%rbp)
  mov    %rcx,-0x20(%rbp)
  mov    %r8,-0x28(%rbp)
  mov    %r9,-0x30(%rbp)
  mov    0x28(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <ar_name_equal@plt>
  test   %eax,%eax
  jne    L7
  mov    $0x0,%eax
  jmp    L18
L7:
  mov    -0x18(%rbp),%rax
L18:
  leave
  ret
```

assistant: ```c
long int ar_member_pos(desc, name, hdrpos, datapos, size, date, uid, gid, mode, mem)
int desc;
char *name;
long int hdrpos, datapos, size, date;
int uid, gid, mode;
char *mem;
{
  if (!ar_name_equal(name, mem))
    return 0;
  return hdrpos;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<ar_member_pos>:
  endbr64
  push   %rbx
  mov    %rsi,%rdi
  mov    %rdx,%rbx
  mov    0x28(%rsp),%rsi
  mov    $0x0,%eax
  call   <ar_name_equal@plt>
  test   %eax,%eax
  mov    $0x0,%eax
  cmove  %rax,%rbx
  mov    %rbx,%rax
  pop    %rbx
  ret
```

assistant: ```c
long int ar_member_pos(desc, name, hdrpos, datapos, size, date, uid, gid, mode, mem)
int desc;
char *name;
long int hdrpos, datapos, size, date;
int uid, gid, mode;
char *mem;
{
  if (!ar_name_equal(name, mem))
    return 0;
  return hdrpos;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<ar_member_pos>:
  endbr64
  push   %r12
  mov    %rsi,%rdi
  mov    0x28(%rsp),%rsi
  xor    %eax,%eax
  mov    %rdx,%r12
  call   <ar_name_equal@plt>
  test   %eax,%eax
  mov    $0x0,%eax
  cmove  %rax,%r12
  mov    %r12,%rax
  pop    %r12
  ret
```

assistant: ```c
long int ar_member_pos(desc, name, hdrpos, datapos, size, date, uid, gid, mode, mem)
int desc;
char *name;
long int hdrpos, datapos, size, date;
int uid, gid, mode;
char *mem;
{
  if (!ar_name_equal(name, mem))
    return 0;
  return hdrpos;
}
```