ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 请从给定的汇编指令推导出C源代码：

```asm
<expand_filename>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  call   <strlen@plt>
  mov    %eax,%esi
  mov    %rbx,%rdi
  call   <find_wildcard@plt>
  mov    $0x0,%eax
  pop    %rbx
  ret
```

assistant: ```c
char *expand_filename(const char *string) {
  char *filename = NULL;
  if (find_wildcard(string, strlen(string))) {
  }
  return filename;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<expand_filename>:
  endbr64
  push   %rbp
  mov    %rdi,%rbp
  call   <strlen@plt>
  mov    %rbp,%rdi
  mov    %eax,%esi
  call   <find_wildcard@plt>
  xor    %eax,%eax
  pop    %rbp
  ret
```

assistant: ```c
char *expand_filename(const char *string) {
  char *filename = NULL;
  if (find_wildcard(string, strlen(string))) {
  }
  return filename;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<expand_filename>:
  endbr64
  push   %rbp
  mov    %rdi,%rbp
  call   <strlen@plt>
  mov    %rbp,%rdi
  mov    %eax,%esi
  call   <find_wildcard@plt>
  xor    %eax,%eax
  pop    %rbp
  ret
```

assistant: ```c
char *expand_filename(const char *string) {
  char *filename = NULL;
  if (find_wildcard(string, strlen(string))) {
  }
  return filename;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<computeDigitOfCombination>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %edi,-0x24(%rbp)
  mov    %esi,-0x28(%rbp)
  mov    -0x28(%rbp),%eax
  cmp    -0x24(%rbp),%eax
  jge    L56
  cmpl   $0x0,-0x28(%rbp)
  jne    L14
L56:
  mov    $0x1,%eax
  jmp    L58
L14:
  mov    -0x24(%rbp),%eax
  sub    -0x28(%rbp),%eax
  cmp    %eax,-0x28(%rbp)
  jle    L47
  mov    -0x24(%rbp),%eax
  sub    -0x28(%rbp),%eax
  mov    %eax,-0x28(%rbp)
L47:
  pxor   %xmm0,%xmm0
  cvtsi2sdl -0x24(%rbp),%xmm0
  movsd  %xmm0,-0x18(%rbp)
  pxor   %xmm0,%xmm0
  cvtsi2sdl -0x28(%rbp),%xmm0
  movsd  %xmm0,-0x10(%rbp)
  pxor   %xmm0,%xmm0
  cvtsi2sdl -0x24(%rbp),%xmm0
  pxor   %xmm1,%xmm1
  cvtsi2sdl -0x28(%rbp),%xmm1
  subsd  %xmm1,%xmm0
  movsd  %xmm0,-0x8(%rbp)
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0x20(%rbp)
  jmp    L15
L27:
  mov    -0x18(%rbp),%rax
  movq   %rax,%xmm0
  call   <log10@plt>
  pxor   %xmm0,%xmm0
  cvtsi2sd %rax,%xmm0
  movsd  -0x20(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x20(%rbp)
  movsd  -0x18(%rbp),%xmm0
  movsd  D4(%rip),%xmm1
  subsd  %xmm1,%xmm0
  movsd  %xmm0,-0x18(%rbp)
L15:
  movsd  -0x18(%rbp),%xmm0
  comisd -0x8(%rbp),%xmm0
  jbe    L17
  movsd  -0x18(%rbp),%xmm0
  movsd  D4(%rip),%xmm1
  comisd %xmm1,%xmm0
  ja     L27
L17:
  jmp    L38
L51:
  mov    -0x10(%rbp),%rax
  movq   %rax,%xmm0
  call   <log10@plt>
  pxor   %xmm1,%xmm1
  cvtsi2sd %rax,%xmm1
  movsd  -0x20(%rbp),%xmm0
  subsd  %xmm1,%xmm0
  movsd  %xmm0,-0x20(%rbp)
  movsd  -0x10(%rbp),%xmm0
  movsd  D4(%rip),%xmm1
  subsd  %xmm1,%xmm0
  movsd  %xmm0,-0x10(%rbp)
L38:
  movsd  -0x10(%rbp),%xmm0
  movsd  D4(%rip),%xmm1
  comisd %xmm1,%xmm0
  ja     L51
  movsd  -0x20(%rbp),%xmm1
  movsd  D4(%rip),%xmm0
  addsd  %xmm0,%xmm1
  movq   %xmm1,%rax
  movq   %rax,%xmm0
  call   <floor@plt>
L58:
  leave
  ret
```

tool_calls: name: read_data
arguments: data_label: D4
datatype: byte[8]

tool: {"D4": [0x00,0x00,0x00,0x00,0x00,0x00,0xf0,0x3f]}

assistant: ```c
int computeDigitOfCombination(int n, int k) {
  if (k >= n || k == 0)
    return 1;
  if (n - k < k)
    k = n - k;
  double result, numer = (double)n, denom = (double)k, lowerBound = (double)n - k;
  result = 0;
  while (numer > lowerBound && numer > 1) {
    result += log10(numer);
    numer--;
  }
  while (denom > 1) {
    result -= log10(denom);
    denom--;
  }
  return (int)(floor(result + 1));
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<str_len>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  movl   $0x0,-0x4(%rbp)
  jmp    L10
L5:
  addl   $0x1,-0x4(%rbp)
L10:
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L5
  mov    -0x4(%rbp),%eax
  mov    %eax,%esi
  lea    D0(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    -0x4(%rbp),%eax
  sub    $0x1,%eax
  leave
  ret
```

tool_calls: name: unpack_data
arguments: data_label: D0
data_type: string

tool: D0: %d


assistant: ```c
int str_len(char *f_str) {
  int count;
  for (count = 0; *(f_str + count) != '\0'; count++)
    ;
  printf("%d\n", count);
  return count - 1;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<str_len>:
  endbr64
  push   %rbx
  cmpb   $0x0,(%rdi)
  je     L0
  mov    $0x1,%eax
L27:
  mov    %eax,%ebx
  add    $0x1,%rax
  cmpb   $0x0,-0x1(%rdi,%rax,1)
  jne    L27
L8:
  mov    %ebx,%esi
  lea    D0(%rip),%rdi
  call   <printf@plt>
  lea    -0x1(%rbx),%eax
  pop    %rbx
  ret
L0:
  mov    $0x0,%ebx
  jmp    L8
```

tool_calls: name: unpack_data
arguments: data_tag: D0
datatype: string

tool: D0: %d


assistant: ```c
int str_len(char *f_str) {
  int count;
  for (count = 0; *(f_str + count) != '\0'; count++)
    ;
  printf("%d\n", count);
  return count - 1;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<str_len>:
  endbr64
  push   %r12
  cmpb   $0x0,(%rdi)
  je     L7
  add    $0x1,%rdi
  xor    %esi,%esi
  nopl   0x0(%rax)
L4:
  add    $0x1,%rdi
  mov    %esi,%r12d
  add    $0x1,%esi
  cmpb   $0x0,-0x1(%rdi)
  jne    L4
L0:
  lea    D6(%rip),%rdi
  call   <printf@plt>
  mov    %r12d,%eax
  pop    %r12
  ret
  nopw   0x0(%rax,%rax,1)
L7:
  mov    $0xffffffff,%r12d
  xor    %esi,%esi
  jmp    L0
```

tool_calls: name: read_data
arguments: data_tag: D6
datatype: string

tool: D6: %d


assistant: ```c
int str_len(char *f_str) {
  int count;
  for (count = 0; *(f_str + count) != '\0'; count++)
    ;
  printf("%d\n", count);
  return count - 1;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<str_len>:
  endbr64
  push   %r12
  cmpb   $0x0,(%rdi)
  je     L24
  add    $0x1,%rdi
  xor    %esi,%esi
  nopl   0x0(%rax)
L1:
  add    $0x1,%rdi
  mov    %esi,%r12d
  add    $0x1,%esi
  cmpb   $0x0,-0x1(%rdi)
  jne    L1
L3:
  lea    D7(%rip),%rdi
  call   <printf@plt>
  mov    %r12d,%eax
  pop    %r12
  ret
  nopw   0x0(%rax,%rax,1)
L24:
  mov    $0xffffffff,%r12d
  xor    %esi,%esi
  jmp    L3
```

tool_calls: name: retrieve_data
arguments: data_tag: D7
type: string

tool: D7: %d


assistant: ```c
int str_len(char *f_str) {
  int count;
  for (count = 0; *(f_str + count) != '\0'; count++)
    ;
  printf("%d\n", count);
  return count - 1;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %edi,-0x24(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  cmpl   $0x3,-0x24(%rbp)
  je     L4
  lea    D19(%rip),%rax
  mov    %rax,-0x18(%rbp)
  lea    D28(%rip),%rax
  mov    %rax,-0x10(%rbp)
  jmp    L18
L4:
  mov    -0x30(%rbp),%rax
  mov    0x8(%rax),%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x30(%rbp),%rax
  mov    0x10(%rax),%rax
  mov    %rax,-0x10(%rbp)
L18:
  mov    -0x10(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  mov    %rax,%rsi
  lea    D21(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    -0x18(%rbp),%rdx
  lea    -0x1c(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <compile_regex@plt>
  mov    -0x10(%rbp),%rdx
  lea    -0x1c(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <match_regex@plt>
  lea    -0x1c(%rbp),%rax
  mov    %rax,%rdi
  call   <regfree@plt>
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L8
  call   <__stack_chk_fail@plt>
L8:
  leave
  ret
```

tool_calls: name: read_data
arguments: data_label: D19
data_type: string
name: read_data
arguments: data_label: D28
data_type: string
name: read_data
arguments: data_label: D21
data_type: string

tool: D19: ([[:digit:]]+)[^[:digit:]]+([[:digit:]]+)

tool: D28: This 1 is nice 2 so 33 for 4254

tool: D21: Trying to find '%s' in '%s'


assistant: ```c
int main(int argc, char **argv) {
  regex_t r;
  const char *regex_text;
  const char *find_text;
  if (argc != 3) {
    regex_text = "([[:digit:]]+)[^[:digit:]]+([[:digit:]]+)";
    find_text = "This 1 is nice 2 so 33 for 4254";
  } else {
    regex_text = argv[1];
    find_text = argv[2];
  }
  printf("Trying to find '%s' in '%s'\n", regex_text, find_text);
  compile_regex(&r, regex_text);
  match_regex(&r, find_text);
  regfree(&r);
  return 0;
}
```
user: Translate the below assembly code into C programming language:

```asm
<main>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    D19(%rip),%rbp
  lea    D16(%rip),%r12
  cmp    $0x3,%edi
  je     L6
L2:
  mov    %rbp,%rdx
  mov    %r12,%rsi
  lea    D9(%rip),%rdi
  call   <printf@plt>
  lea    0x4(%rsp),%rbx
  mov    %r12,%rsi
  mov    %rbx,%rdi
  call   <compile_regex@plt>
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <match_regex@plt>
  mov    %rbx,%rdi
  call   <regfree@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L16
  mov    $0x0,%eax
  add    $0x10,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L6:
  mov    0x8(%rsi),%r12
  mov    0x10(%rsi),%rbp
  jmp    L2
L16:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: label: D19
type_guessed: string
name: read_data
arguments: label: D16
type_guessed: string
name: read_data
arguments: label: D9
type_guessed: string

tool: D19: This 1 is nice 2 so 33 for 4254

tool: D16: ([[:digit:]]+)[^[:digit:]]+([[:digit:]]+)

tool: D9: Trying to find '%s' in '%s'


assistant: ```c
int main(int argc, char **argv) {
  regex_t r;
  const char *regex_text;
  const char *find_text;
  if (argc != 3) {
    regex_text = "([[:digit:]]+)[^[:digit:]]+([[:digit:]]+)";
    find_text = "This 1 is nice 2 so 33 for 4254";
  } else {
    regex_text = argv[1];
    find_text = argv[2];
  }
  printf("Trying to find '%s' in '%s'\n", regex_text, find_text);
  compile_regex(&r, regex_text);
  match_regex(&r, find_text);
  regfree(&r);
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<main>:
  endbr64
  push   %r13
  lea    D0(%rip),%r13
  push   %r12
  lea    D23(%rip),%r12
  push   %rbp
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  cmp    $0x3,%edi
  jne    L5
  mov    0x8(%rsi),%r13
  mov    0x10(%rsi),%r12
L5:
  mov    %r12,%rdx
  lea    0x4(%rsp),%rbp
  mov    %r13,%rsi
  lea    D29(%rip),%rdi
  call   <printf@plt>
  mov    %r13,%rsi
  mov    %rbp,%rdi
  call   <compile_regex@plt>
  mov    %rbp,%rdi
  mov    %r12,%rsi
  call   <match_regex@plt>
  mov    %rbp,%rdi
  call   <regfree@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L15
  add    $0x10,%rsp
  xor    %eax,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L15:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: data_label: D0
type_guessed: string
name: disassemble_data
arguments: data_label: D23
type_guessed: string
name: disassemble_data
arguments: data_label: D29
type_guessed: string

tool: D0: ([[:digit:]]+)[^[:digit:]]+([[:digit:]]+)

tool: D23: This 1 is nice 2 so 33 for 4254

tool: D29: Trying to find '%s' in '%s'


assistant: ```c
int main(int argc, char **argv) {
  regex_t r;
  const char *regex_text;
  const char *find_text;
  if (argc != 3) {
    regex_text = "([[:digit:]]+)[^[:digit:]]+([[:digit:]]+)";
    find_text = "This 1 is nice 2 so 33 for 4254";
  } else {
    regex_text = argv[1];
    find_text = argv[2];
  }
  printf("Trying to find '%s' in '%s'\n", regex_text, find_text);
  compile_regex(&r, regex_text);
  match_regex(&r, find_text);
  regfree(&r);
  return 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<main>:
  endbr64
  push   %r13
  lea    D11(%rip),%r13
  push   %r12
  lea    D23(%rip),%r12
  push   %rbp
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  cmp    $0x3,%edi
  jne    L6
  mov    0x8(%rsi),%r13
  mov    0x10(%rsi),%r12
L6:
  mov    %r12,%rdx
  lea    0x4(%rsp),%rbp
  mov    %r13,%rsi
  lea    D7(%rip),%rdi
  call   <printf@plt>
  mov    %r13,%rsi
  mov    %rbp,%rdi
  call   <compile_regex@plt>
  mov    %rbp,%rdi
  mov    %r12,%rsi
  call   <match_regex@plt>
  mov    %rbp,%rdi
  call   <regfree@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L9
  add    $0x10,%rsp
  xor    %eax,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L9:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: label: D11
type_infered: string
name: read_data
arguments: label: D23
type_infered: string
name: read_data
arguments: label: D7
type_infered: string

tool: D11: ([[:digit:]]+)[^[:digit:]]+([[:digit:]]+)

tool: D23: This 1 is nice 2 so 33 for 4254

tool: D7: Trying to find '%s' in '%s'


assistant: ```c
int main(int argc, char **argv) {
  regex_t r;
  const char *regex_text;
  const char *find_text;
  if (argc != 3) {
    regex_text = "([[:digit:]]+)[^[:digit:]]+([[:digit:]]+)";
    find_text = "This 1 is nice 2 so 33 for 4254";
  } else {
    regex_text = argv[1];
    find_text = argv[2];
  }
  printf("Trying to find '%s' in '%s'\n", regex_text, find_text);
  compile_regex(&r, regex_text);
  match_regex(&r, find_text);
  regfree(&r);
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<fact>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %edi,-0x4(%rbp)
  cmpl   $0x0,-0x4(%rbp)
  jne    L1
  mov    $0x1,%eax
  jmp    L19
L1:
  mov    -0x4(%rbp),%eax
  sub    $0x1,%eax
  mov    %eax,%edi
  call   <fact>
  imul   -0x4(%rbp),%eax
L19:
  leave
  ret
```

assistant: ```c
int fact(int n) {
  if (n == 0) {
    return 1;
  } else {
    return n * fact(n - 1);
  }
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<fact>:
  endbr64
  mov    $0x1,%eax
  test   %edi,%edi
  jne    L1
  ret
L1:
  push   %rbx
  mov    %edi,%ebx
  lea    -0x1(%rdi),%edi
  call   <fact>
  imul   %ebx,%eax
  pop    %rbx
  ret
```

assistant: ```c
int fact(int n) {
  if (n == 0) {
    return 1;
  } else {
    return n * fact(n - 1);
  }
}
```
user: What is the c source code of the assembly code below?

```asm
<fact>:
  endbr64
  mov    $0x1,%eax
  test   %edi,%edi
  je     L18
  nopl   (%rax)
L10:
  imul   %edi,%eax
  sub    $0x1,%edi
  jne    L10
L18:
  ret
```

assistant: ```c
int fact(int n) {
  if (n == 0) {
    return 1;
  } else {
    return n * fact(n - 1);
  }
}
```
user: What is the c source code of the assembly code below?

```asm
<fact>:
  endbr64
  mov    $0x1,%eax
  test   %edi,%edi
  je     L17
  nopl   (%rax)
L16:
  imul   %edi,%eax
  sub    $0x1,%edi
  jne    L16
L17:
  ret
```

assistant: ```c
int fact(int n) {
  if (n == 0) {
    return 1;
  } else {
    return n * fact(n - 1);
  }
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  lea    D37(%rip),%rax
  mov    %rax,%rdi
  call   <my_fprintf@plt>
  lea    D37(%rip),%rax
  mov    %rax,%rdi
  call   <my_fscanf@plt>
  lea    D23(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  lea    D1(%rip),%rax
  mov    %rax,%rdi
  call   <system@plt>
  mov    $0x0,%eax
  pop    %rbp
  ret
```

tool_calls: name: read_data
arguments: data_label: D37
type_guessed: string
name: read_data
arguments: data_label: D23
type_guessed: string
name: read_data
arguments: data_label: D1
type_guessed: string

tool: D37: 05.txt

tool: D23: 


tool: D1: pause

assistant: ```c
int main(void) {
  my_fprintf("05.txt");
  my_fscanf("05.txt");
  printf("\n");
  system("pause");
  return 0;
}
```
user: Translate the below assembly code into C programming language:

```asm
<main>:
  endbr64
  push   %rbx
  lea    D5(%rip),%rbx
  mov    %rbx,%rdi
  call   <my_fprintf@plt>
  mov    %rbx,%rdi
  call   <my_fscanf@plt>
  lea    D0(%rip),%rdi
  call   <printf@plt>
  lea    D15(%rip),%rdi
  call   <system@plt>
  mov    $0x0,%eax
  pop    %rbx
  ret
```

tool_calls: name: unpack_data
arguments: data_tag: D5
datatype: string
name: unpack_data
arguments: data_tag: D0
datatype: string
name: unpack_data
arguments: data_tag: D15
datatype: string

tool: D5: 05.txt

tool: D0: 


tool: D15: pause

assistant: ```c
int main(void) {
  my_fprintf("05.txt");
  my_fscanf("05.txt");
  printf("\n");
  system("pause");
  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
  lea    D0(%rip),%rbp
  mov    %rbp,%rdi
  call   <my_fprintf@plt>
  mov    %rbp,%rdi
  call   <my_fscanf@plt>
  lea    D13(%rip),%rdi
  call   <printf@plt>
  lea    D2(%rip),%rdi
  call   <system@plt>
  xor    %eax,%eax
  pop    %rbp
  ret
```

tool_calls: name: extract_symbolic_data
arguments: label: D0
type: string
name: extract_symbolic_data
arguments: label: D13
type: string
name: extract_symbolic_data
arguments: label: D2
type: string

tool: D0: 05.txt

tool: D13: 


tool: D2: pause

assistant: ```c
int main(void) {
  my_fprintf("05.txt");
  my_fscanf("05.txt");
  printf("\n");
  system("pause");
  return 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<main>:
  endbr64
  push   %rbp
  lea    D0(%rip),%rbp
  mov    %rbp,%rdi
  call   <my_fprintf@plt>
  mov    %rbp,%rdi
  call   <my_fscanf@plt>
  lea    D29(%rip),%rdi
  call   <printf@plt>
  lea    D18(%rip),%rdi
  call   <system@plt>
  xor    %eax,%eax
  pop    %rbp
  ret
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D0
datatype: string
name: extract_symbolic_data
arguments: data_label: D29
datatype: string
name: extract_symbolic_data
arguments: data_label: D18
datatype: string

tool: D0: 05.txt

tool: D29: 


tool: D18: pause

assistant: ```c
int main(void) {
  my_fprintf("05.txt");
  my_fscanf("05.txt");
  printf("\n");
  system("pause");
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<var_column>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  mov    %rcx,-0x30(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdx
  sub    $0x1,%rdx
  mov    %rdx,-0x8(%rbp)
  mov    %rax,%r8
  mov    $0x0,%r9d
  movq   $0x0,-0x10(%rbp)
  jmp    L7
L12:
  mov    %rax,%rdx
  imul   -0x10(%rbp),%rdx
  lea    0x0(,%rdx,8),%rcx
  mov    -0x20(%rbp),%rdx
  add    %rdx,%rcx
  mov    -0x28(%rbp),%rdx
  mov    (%rcx,%rdx,8),%rcx
  mov    -0x10(%rbp),%rdx
  lea    0x0(,%rdx,4),%rsi
  mov    -0x30(%rbp),%rdx
  add    %rsi,%rdx
  mov    %ecx,(%rdx)
  addq   $0x1,-0x10(%rbp)
L7:
  mov    -0x10(%rbp),%rdx
  cmp    -0x18(%rbp),%rdx
  jb     L12
  nop
  nop
  pop    %rbp
  ret
```

assistant: ```c
void var_column(size_t n, size_t a[n][n], size_t j, int *dest) {
  size_t i;
  for (i = 0; i < n; i++)
    dest[i] = a[i][j];
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<var_column>:
  endbr64
  test   %rdi,%rdi
  je     L18
  lea    0x0(,%rdi,8),%r8
  lea    (%rsi,%rdx,8),%rdx
  mov    %rcx,%rax
  lea    (%rcx,%rdi,4),%rsi
L3:
  mov    (%rdx),%rcx
  mov    %ecx,(%rax)
  add    %r8,%rdx
  add    $0x4,%rax
  cmp    %rsi,%rax
  jne    L3
L18:
  ret
```

assistant: ```c
void var_column(size_t n, size_t a[n][n], size_t j, int *dest) {
  size_t i;
  for (i = 0; i < n; i++)
    dest[i] = a[i][j];
}
```
user: What is the c source code of the assembly code below?

```asm
<var_column>:
  endbr64
  test   %rdi,%rdi
  je     L8
  lea    (%rsi,%rdx,8),%rax
  lea    0x0(,%rdi,8),%r8
  lea    (%rcx,%rdi,4),%rsi
  nopl   0x0(%rax)
L16:
  mov    (%rax),%rdx
  add    $0x4,%rcx
  add    %r8,%rax
  mov    %edx,-0x4(%rcx)
  cmp    %rsi,%rcx
  jne    L16
L8:
  ret
```

assistant: ```c
void var_column(size_t n, size_t a[n][n], size_t j, int *dest) {
  size_t i;
  for (i = 0; i < n; i++)
    dest[i] = a[i][j];
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<var_column>:
  endbr64
  test   %rdi,%rdi
  je     L14
  lea    (%rsi,%rdx,8),%rax
  lea    0x0(,%rdi,8),%r8
  lea    (%rcx,%rdi,4),%rsi
  nopl   0x0(%rax)
L0:
  mov    (%rax),%rdx
  add    $0x4,%rcx
  add    %r8,%rax
  mov    %edx,-0x4(%rcx)
  cmp    %rcx,%rsi
  jne    L0
L14:
  ret
```

assistant: ```c
void var_column(size_t n, size_t a[n][n], size_t j, int *dest) {
  size_t i;
  for (i = 0; i < n; i++)
    dest[i] = a[i][j];
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<read_large>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %edi,-0x14(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  movl   $0x0,-0xc(%rbp)
  jmp    L27
L59:
  mov    -0x20(%rbp),%rcx
  mov    -0x14(%rbp),%eax
  mov    $0x40000000,%edx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <read@plt>
  mov    %eax,-0x4(%rbp)
  cmpl   $0x0,-0x4(%rbp)
  jns    L15
  mov    -0x4(%rbp),%eax
  jmp    L19
L15:
  mov    -0x4(%rbp),%eax
  add    %eax,-0xc(%rbp)
  cmpl   $0x40000000,-0x4(%rbp)
  je     L48
  mov    -0xc(%rbp),%eax
  jmp    L19
L48:
  addq   $0x40000000,-0x20(%rbp)
  subq   $0x40000000,-0x28(%rbp)
L27:
  cmpq   $0x40000000,-0x28(%rbp)
  ja     L59
  mov    -0x28(%rbp),%rdx
  mov    -0x20(%rbp),%rcx
  mov    -0x14(%rbp),%eax
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <read@plt>
  mov    %eax,-0x8(%rbp)
  cmpl   $0x0,-0x8(%rbp)
  jns    L18
  mov    -0x8(%rbp),%eax
  jmp    L19
L18:
  mov    -0x8(%rbp),%eax
  add    %eax,-0xc(%rbp)
  mov    -0xc(%rbp),%eax
L19:
  leave
  ret
```

assistant: ```c
ssize_t read_large(int fd, void *buf, size_t count) {
  ssize_t result = 0;
  while (count > 1024 * 1024 * 1024) {
    ssize_t r = read(fd, buf, 1024 * 1024 * 1024);
    if (r < 0)
      return r;
    result += r;
    if (r != 1024 * 1024 * 1024)
      return result;
    buf = ((char *)buf) + 1024 * 1024 * 1024;
    count -= 1024 * 1024 * 1024;
  }
  ssize_t r = read(fd, buf, count);
  if (r < 0)
    return r;
  return result += r;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<read_large>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %edi,%r13d
  mov    %rsi,%rbp
  mov    %rdx,%rbx
  cmp    $0x40000000,%rdx
  jbe    L0
  mov    $0x0,%r12d
L57:
  mov    $0x40000000,%edx
  mov    %rbp,%rsi
  mov    %r13d,%edi
  call   <read@plt>
  test   %eax,%eax
  js     L51
  add    %eax,%r12d
  cmp    $0x40000000,%eax
  jne    L36
  add    $0x40000000,%rbp
  sub    $0x40000000,%rbx
  cmp    $0x40000000,%rbx
  ja     L57
L2:
  mov    %rbx,%rdx
  mov    %rbp,%rsi
  mov    %r13d,%edi
  call   <read@plt>
  add    %eax,%r12d
  test   %eax,%eax
  cmovns %r12d,%eax
L51:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L0:
  mov    $0x0,%r12d
  jmp    L2
L36:
  mov    %r12d,%eax
  jmp    L51
```

assistant: ```c
ssize_t read_large(int fd, void *buf, size_t count) {
  ssize_t result = 0;
  while (count > 1024 * 1024 * 1024) {
    ssize_t r = read(fd, buf, 1024 * 1024 * 1024);
    if (r < 0)
      return r;
    result += r;
    if (r != 1024 * 1024 * 1024)
      return result;
    buf = ((char *)buf) + 1024 * 1024 * 1024;
    count -= 1024 * 1024 * 1024;
  }
  ssize_t r = read(fd, buf, count);
  if (r < 0)
    return r;
  return result += r;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<read_large>:
  endbr64
  push   %r13
  mov    %edi,%r13d
  push   %r12
  mov    %rdx,%r12
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  xor    %ebx,%ebx
  sub    $0x8,%rsp
  cmp    $0x40000000,%rdx
  ja     L20
  jmp    L9
  nopl   0x0(%rax)
L1:
  add    %eax,%ebx
  cmp    $0x40000000,%eax
  jne    L22
  sub    $0x40000000,%r12
  add    $0x40000000,%rbp
  cmp    $0x40000000,%r12
  jbe    L9
L20:
  mov    $0x40000000,%edx
  mov    %rbp,%rsi
  mov    %r13d,%edi
  call   <read@plt>
  test   %eax,%eax
  jns    L1
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopw   0x0(%rax,%rax,1)
L9:
  mov    %r12,%rdx
  mov    %rbp,%rsi
  mov    %r13d,%edi
  call   <read@plt>
  add    %eax,%ebx
  test   %eax,%eax
  cmovns %ebx,%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L22:
  add    $0x8,%rsp
  mov    %ebx,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
ssize_t read_large(int fd, void *buf, size_t count) {
  ssize_t result = 0;
  while (count > 1024 * 1024 * 1024) {
    ssize_t r = read(fd, buf, 1024 * 1024 * 1024);
    if (r < 0)
      return r;
    result += r;
    if (r != 1024 * 1024 * 1024)
      return result;
    buf = ((char *)buf) + 1024 * 1024 * 1024;
    count -= 1024 * 1024 * 1024;
  }
  ssize_t r = read(fd, buf, count);
  if (r < 0)
    return r;
  return result += r;
}
```