ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 下面的汇编指令对应的C源代码是什么:

```asm
<svd_pseudoinverse>:
  endbr64
  push   %r15
  mov    %edx,%r15d
  push   %r14
  push   %r13
  mov    %rdi,%r13
  push   %r12
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  mov    %ecx,%ebx
  sub    $0x28,%rsp
  mov    %edx,0x1c(%rsp)
  mov    %ecx,0x18(%rsp)
  call   <svd@plt>
  mov    %eax,%r14d
  test   %ebx,%ebx
  jle    L87
  add    %r15d,%ebx
  mov    %r15d,%esi
  movslq %eax,%rcx
  mov    %ebx,%edi
  nopl   0x0(%rax)
L71:
  test   %r14d,%r14d
  jle    L99
  movslq %esi,%rax
  mov    0x0(%r13,%rax,8),%rdx
  xor    %eax,%eax
  nop
L27:
  movsd  (%rdx,%rax,8),%xmm0
  divsd  0x0(%rbp,%rax,8),%xmm0
  movsd  %xmm0,(%rdx,%rax,8)
  add    $0x1,%rax
  cmp    %rax,%rcx
  jne    L27
L99:
  add    $0x1,%esi
  cmp    %esi,%edi
  jne    L71
L87:
  mov    0x1c(%rsp),%ecx
  test   %ecx,%ecx
  jle    L63
  mov    0x18(%rsp),%edi
  mov    %r13,%rbx
  movslq %r14d,%r15
  lea    0x0(,%rdi,8),%eax
  add    %ecx,%edi
  mov    %eax,0xc(%rsp)
  lea    -0x1(%rcx),%eax
  mov    %edi,%r12d
  lea    0x8(%r13,%rax,8),%rax
  mov    %rax,0x10(%rsp)
  nopl   0x0(%rax,%rax,1)
L3:
  mov    0xc(%rsp),%edx
  mov    %rbp,%rdi
  xor    %esi,%esi
  call   <memset@plt>
  mov    0x18(%rsp),%eax
  mov    (%rbx),%rdi
  test   %eax,%eax
  jle    L52
  mov    0x1c(%rsp),%r11d
  mov    %rbp,%rdx
  nopl   0x0(%rax)
L14:
  test   %r14d,%r14d
  jle    L21
  movslq %r11d,%rax
  movsd  (%rdx),%xmm1
  mov    0x0(%r13,%rax,8),%rsi
  xor    %eax,%eax
  nopl   0x0(%rax,%rax,1)
L82:
  movsd  (%rdi,%rax,8),%xmm0
  mulsd  (%rsi,%rax,8),%xmm0
  add    $0x1,%rax
  addsd  %xmm0,%xmm1
  movsd  %xmm1,(%rdx)
  cmp    %rax,%r15
  jne    L82
L21:
  add    $0x1,%r11d
  add    $0x8,%rdx
  cmp    %r11d,%r12d
  jne    L14
L52:
  mov    0xc(%rsp),%edx
  mov    %rbp,%rsi
  add    $0x8,%rbx
  call   <memcpy@plt>
  cmp    0x10(%rsp),%rbx
  jne    L3
L63:
  add    $0x28,%rsp
  mov    %r14d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
int svd_pseudoinverse(double **_w, double *_s, int _nrows, int _ncols) {
  int rank;
  int i;
  int j;
  int k;
  rank = svd(_w, _s, _nrows, _ncols);
  for (j = 0; j < _ncols; j++)
    for (i = 0; i < rank; i++)
      _w[_nrows + j][i] /= _s[i];
  for (i = 0; i < _nrows; i++) {
    memset(_s, 0, _ncols * sizeof(*_s));
    for (j = 0; j < _ncols; j++)
      for (k = 0; k < rank; k++)
        _s[j] += _w[i][k] * _w[_nrows + j][k];
    memcpy(_w[i], _s, _ncols * sizeof(*_s));
  }
  return rank;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<mkgmtime>:
  endbr64
  mov    %rdi,%rcx
  movzwl (%rdi),%esi
  movswl %si,%eax
  imul   $0x2aab,%eax,%eax
  sar    $0x11,%eax
  mov    %esi,%edx
  sar    $0xf,%dx
  sub    %edx,%eax
  mov    %eax,%edx
  add    0x2(%rdi),%dx
  lea    (%rax,%rax,2),%eax
  shl    $0x2,%eax
  sub    %ax,%si
  js     L0
  add    $0x76c,%dx
L4:
  movswl %dx,%edi
  sub    $0x7b2,%edi
  lea    (%rdi,%rdi,8),%eax
  lea    (%rdi,%rax,8),%eax
  lea    (%rax,%rax,4),%eax
  movswq %si,%rdi
  lea    -0x1(%rdx),%r8d
  cmp    $0x2,%si
  cmovl  %r8d,%edx
  movswl %dx,%edx
  lea    D7(%rip),%rsi
  add    (%rsi,%rdi,4),%ax
  add    0x20(%rcx),%ax
  lea    -0x7ad(%rdx),%esi
  mov    %edx,%edi
  sub    $0x7b0,%edi
  cmovns %edi,%esi
  sar    $0x2,%esi
  lea    -0x1(%rax,%rsi,1),%eax
  lea    -0x76c(%rdx),%esi
  movslq %esi,%rdi
  imul   $0x51eb851f,%rdi,%rdi
  sar    $0x25,%rdi
  sar    $0x1f,%esi
  sub    %edi,%esi
  add    %esi,%eax
  sub    $0x640,%edx
  movslq %edx,%rsi
  imul   $0x51eb851f,%rsi,%rsi
  sar    $0x27,%rsi
  sar    $0x1f,%edx
  sub    %edx,%esi
  add    %esi,%eax
  lea    (%rax,%rax,2),%eax
  mov    0x18(%rcx),%rdx
  lea    (%rdx,%rax,8),%eax
  mov    %eax,%edx
  shl    $0x4,%edx
  sub    %eax,%edx
  mov    0x10(%rcx),%rax
  lea    (%rax,%rdx,4),%edx
  mov    %edx,%eax
  shl    $0x4,%eax
  sub    %edx,%eax
  mov    0x8(%rcx),%rdx
  lea    (%rdx,%rax,4),%eax
  ret
L0:
  add    $0x76b,%dx
  add    $0xc,%esi
  jmp    L4
```

tool_calls: name: extract_symbolic_data
arguments: label: D7
data_type: string

tool: 

assistant: ```c
time_t mkgmtime(struct tm *t) {
  short month, year;
  time_t result;
  static int m_to_d[12] = {0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334};
  month = t->tm_mon;
  year = t->tm_year + month / 12 + 1900;
  month %= 12;
  if (month < 0) {
    year -= 1;
    month += 12;
  }
  result = (year - 1970) * 365 + m_to_d[month];
  if (month <= 1)
    year -= 1;
  result += (year - 1968) / 4;
  result -= (year - 1900) / 100;
  result += (year - 1600) / 400;
  result += t->tm_mday;
  result -= 1;
  result *= 24;
  result += t->tm_hour;
  result *= 60;
  result += t->tm_min;
  result *= 60;
  result += t->tm_sec;
  return (result);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<mkgmtime>:
  endbr64
  movswl (%rdi),%eax
  mov    %rdi,%rdx
  mov    %eax,%ecx
  imul   $0x2aab,%eax,%eax
  mov    %ecx,%esi
  sar    $0xf,%si
  sar    $0x11,%eax
  sub    %esi,%eax
  movzwl 0x2(%rdi),%esi
  mov    %ecx,%edi
  add    %eax,%esi
  lea    (%rax,%rax,2),%eax
  shl    $0x2,%eax
  sub    %ax,%di
  js     L10
  add    $0x76c,%si
L16:
  movswl %si,%ecx
  sub    $0x1,%esi
  cmp    $0x1,%di
  movswl %si,%esi
  lea    -0x7b2(%rcx),%r8d
  cmovle %esi,%ecx
  lea    (%r8,%r8,8),%eax
  lea    D2(%rip),%rsi
  lea    (%r8,%rax,8),%eax
  movswq %di,%r8
  mov    %ecx,%edi
  lea    (%rax,%rax,4),%eax
  add    (%rsi,%r8,4),%ax
  add    0x20(%rdx),%ax
  lea    -0x7ad(%rcx),%esi
  sub    $0x7b0,%edi
  cmovns %edi,%esi
  sar    $0x2,%esi
  lea    -0x1(%rax,%rsi,1),%eax
  lea    -0x76c(%rcx),%esi
  sub    $0x640,%ecx
  movslq %esi,%rdi
  sar    $0x1f,%esi
  imul   $0x51eb851f,%rdi,%rdi
  sar    $0x25,%rdi
  sub    %edi,%esi
  add    %esi,%eax
  movslq %ecx,%rsi
  sar    $0x1f,%ecx
  imul   $0x51eb851f,%rsi,%rsi
  sar    $0x27,%rsi
  sub    %ecx,%esi
  mov    0x18(%rdx),%rcx
  add    %esi,%eax
  lea    (%rax,%rax,2),%eax
  lea    (%rcx,%rax,8),%eax
  mov    %eax,%ecx
  shl    $0x4,%ecx
  sub    %eax,%ecx
  mov    0x10(%rdx),%rax
  mov    0x8(%rdx),%rdx
  lea    (%rax,%rcx,4),%ecx
  mov    %ecx,%eax
  shl    $0x4,%eax
  sub    %ecx,%eax
  lea    (%rdx,%rax,4),%eax
  ret
  nopl   0x0(%rax)
L10:
  add    $0x76b,%si
  add    $0xc,%edi
  jmp    L16
```

tool_calls: name: parse_data
arguments: data_tag: D2
datatype: string

tool: 

assistant: ```c
time_t mkgmtime(struct tm *t) {
  short month, year;
  time_t result;
  static int m_to_d[12] = {0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334};
  month = t->tm_mon;
  year = t->tm_year + month / 12 + 1900;
  month %= 12;
  if (month < 0) {
    year -= 1;
    month += 12;
  }
  result = (year - 1970) * 365 + m_to_d[month];
  if (month <= 1)
    year -= 1;
  result += (year - 1968) / 4;
  result -= (year - 1900) / 100;
  result += (year - 1600) / 400;
  result += t->tm_mday;
  result -= 1;
  result *= 24;
  result += t->tm_hour;
  result *= 60;
  result += t->tm_min;
  result *= 60;
  result += t->tm_sec;
  return (result);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<mkgmtime>:
  endbr64
  movswl (%rdi),%eax
  mov    %rdi,%rdx
  mov    %eax,%ecx
  imul   $0x2aab,%eax,%eax
  mov    %ecx,%esi
  sar    $0xf,%si
  sar    $0x11,%eax
  sub    %esi,%eax
  movzwl 0x2(%rdi),%esi
  mov    %ecx,%edi
  add    %eax,%esi
  lea    (%rax,%rax,2),%eax
  shl    $0x2,%eax
  sub    %ax,%di
  js     L19
  add    $0x76c,%si
L12:
  movswl %si,%ecx
  sub    $0x1,%esi
  cmp    $0x1,%di
  movswl %si,%esi
  lea    -0x7b2(%rcx),%r8d
  cmovle %esi,%ecx
  lea    (%r8,%r8,8),%eax
  lea    D5(%rip),%rsi
  lea    (%r8,%rax,8),%eax
  movswq %di,%r8
  mov    %ecx,%edi
  lea    (%rax,%rax,4),%eax
  add    (%rsi,%r8,4),%ax
  add    0x20(%rdx),%ax
  lea    -0x7ad(%rcx),%esi
  sub    $0x7b0,%edi
  cmovns %edi,%esi
  sar    $0x2,%esi
  lea    -0x1(%rax,%rsi,1),%eax
  lea    -0x76c(%rcx),%esi
  sub    $0x640,%ecx
  movslq %esi,%rdi
  sar    $0x1f,%esi
  imul   $0x51eb851f,%rdi,%rdi
  sar    $0x25,%rdi
  sub    %edi,%esi
  add    %esi,%eax
  movslq %ecx,%rsi
  sar    $0x1f,%ecx
  imul   $0x51eb851f,%rsi,%rsi
  sar    $0x27,%rsi
  sub    %ecx,%esi
  mov    0x18(%rdx),%rcx
  add    %esi,%eax
  lea    (%rax,%rax,2),%eax
  lea    (%rcx,%rax,8),%eax
  mov    %eax,%ecx
  shl    $0x4,%ecx
  sub    %eax,%ecx
  mov    0x10(%rdx),%rax
  mov    0x8(%rdx),%rdx
  lea    (%rax,%rcx,4),%ecx
  mov    %ecx,%eax
  shl    $0x4,%eax
  sub    %ecx,%eax
  lea    (%rdx,%rax,4),%eax
  ret
  nopl   0x0(%rax)
L19:
  add    $0x76b,%si
  add    $0xc,%edi
  jmp    L12
```

tool_calls: name: unpack_data
arguments: data_tag: D5
type_guessed: string

tool: 

assistant: ```c
time_t mkgmtime(struct tm *t) {
  short month, year;
  time_t result;
  static int m_to_d[12] = {0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334};
  month = t->tm_mon;
  year = t->tm_year + month / 12 + 1900;
  month %= 12;
  if (month < 0) {
    year -= 1;
    month += 12;
  }
  result = (year - 1970) * 365 + m_to_d[month];
  if (month <= 1)
    year -= 1;
  result += (year - 1968) / 4;
  result -= (year - 1900) / 100;
  result += (year - 1600) / 400;
  result += t->tm_mday;
  result -= 1;
  result *= 24;
  result += t->tm_hour;
  result *= 60;
  result += t->tm_min;
  result *= 60;
  result += t->tm_sec;
  return (result);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<sample_index>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0xc(%rbp),%rdx
  lea    -0x10(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <access_counter@plt>
  mov    -0xc(%rbp),%edx
  mov    %edx,%eax
  shr    $0x4,%eax
  mov    %eax,%eax
  imul   $0xa7c5ac5,%rax,%rax
  shr    $0x20,%rax
  shr    $0x7,%eax
  imul   $0xc350,%eax,%ecx
  mov    %edx,%eax
  sub    %ecx,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L5
  call   <__stack_chk_fail@plt>
L5:
  leave
  ret
```

assistant: ```c
int sample_index() {
  unsigned hi, lo;
  access_counter(&hi, &lo);
  return lo % 50000;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<sample_index>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rsi
  mov    %rsp,%rdi
  call   <access_counter@plt>
  mov    0x4(%rsp),%edx
  mov    %edx,%eax
  shr    $0x4,%eax
  mov    %eax,%eax
  imul   $0xa7c5ac5,%rax,%rax
  shr    $0x27,%rax
  imul   $0xc350,%eax,%ecx
  mov    %edx,%eax
  sub    %ecx,%eax
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L8
  add    $0x18,%rsp
  ret
L8:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int sample_index() {
  unsigned hi, lo;
  access_counter(&hi, &lo);
  return lo % 50000;
}
```
user: What is the c source code of the assembly code below?

```asm
<sample_index>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rsi
  mov    %rsp,%rdi
  call   <access_counter@plt>
  mov    0x4(%rsp),%edx
  mov    %edx,%eax
  shr    $0x4,%eax
  imul   $0xa7c5ac5,%rax,%rax
  shr    $0x27,%rax
  imul   $0xc350,%eax,%ecx
  mov    %edx,%eax
  sub    %ecx,%eax
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L1
  add    $0x18,%rsp
  ret
L1:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int sample_index() {
  unsigned hi, lo;
  access_counter(&hi, &lo);
  return lo % 50000;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<sample_index>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rsi
  mov    %rsp,%rdi
  call   <access_counter@plt>
  mov    0x4(%rsp),%edx
  mov    %edx,%eax
  shr    $0x4,%eax
  imul   $0xa7c5ac5,%rax,%rax
  shr    $0x27,%rax
  imul   $0xc350,%eax,%ecx
  mov    %edx,%eax
  sub    %ecx,%eax
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L8
  add    $0x18,%rsp
  ret
L8:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int sample_index() {
  unsigned hi, lo;
  access_counter(&hi, &lo);
  return lo % 50000;
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    $0x0,%eax
  call   <test@plt>
  lea    D2(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  pop    %rbp
  ret
```

tool_calls: name: unpack_data
arguments: data_label: D2
type_infered: string

tool: D2: All tests passed


assistant: ```c
int main(void) {
  test();
  printf("All tests passed\n");
  return 0;
}
```
user: Translate the below assembly code into C programming language:

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x0,%eax
  call   <test@plt>
  lea    D5(%rip),%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  add    $0x8,%rsp
  ret
```

tool_calls: name: parse_data
arguments: data_tag: D5
type_infered: string

tool: D5: All tests passed


assistant: ```c
int main(void) {
  test();
  printf("All tests passed\n");
  return 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <test@plt>
  lea    D2(%rip),%rdi
  call   <printf@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

tool_calls: name: extract_symbolic_data
arguments: tag: D2
type_infered: string

tool: D2: All tests passed


assistant: ```c
int main(void) {
  test();
  printf("All tests passed\n");
  return 0;
}
```
user: Translate the below assembly code into C programming language:

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <test@plt>
  lea    D7(%rip),%rdi
  call   <printf@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

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

tool: D7: All tests passed


assistant: ```c
int main(void) {
  test();
  printf("All tests passed\n");
  return 0;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<str_copy>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  mov    %rdi,%rax
  mov    %rsi,%rdx
  mov    $0x0,%ebx
L43:
  movzbl (%rdx),%ecx
  mov    %cl,(%rax)
  movzbl (%rax),%ecx
  test   %cl,%cl
  jne    L52
  mov    %ebx,%eax
  jmp    L51
L52:
  add    $0x1,%rax
  add    $0x1,%rdx
  add    $0x1,%ebx
  movzbl (%rdx),%ecx
  mov    %cl,(%rax)
  movzbl (%rax),%ecx
  test   %cl,%cl
  jne    L49
  mov    %ebx,%eax
  jmp    L51
L49:
  add    $0x1,%rax
  add    $0x1,%rdx
  add    $0x1,%ebx
  movzbl (%rdx),%ecx
  mov    %cl,(%rax)
  movzbl (%rax),%ecx
  test   %cl,%cl
  jne    L28
  mov    %ebx,%eax
  jmp    L51
L28:
  add    $0x1,%rax
  add    $0x1,%rdx
  add    $0x1,%ebx
  movzbl (%rdx),%ecx
  mov    %cl,(%rax)
  movzbl (%rax),%ecx
  test   %cl,%cl
  jne    L75
  mov    %ebx,%eax
  jmp    L51
L75:
  add    $0x1,%rax
  add    $0x1,%rdx
  add    $0x1,%ebx
  jmp    L43
L51:
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
unsigned int str_copy(s, t)
register char *s;
register char *t;
{
  register int len;
  len = 0;
  for (;;) {
    if (!(*s = *t))
      return len;
    ++s;
    ++t;
    ++len;
    if (!(*s = *t))
      return len;
    ++s;
    ++t;
    ++len;
    if (!(*s = *t))
      return len;
    ++s;
    ++t;
    ++len;
    if (!(*s = *t))
      return len;
    ++s;
    ++t;
    ++len;
  }
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<str_copy>:
  endbr64
  movzbl (%rsi),%edx
  mov    %dl,(%rdi)
  mov    $0x0,%eax
  test   %dl,%dl
  je     L44
L16:
  movzbl 0x1(%rsi),%edx
  mov    %dl,0x1(%rdi)
  test   %dl,%dl
  je     L21
  movzbl 0x2(%rsi),%edx
  mov    %dl,0x2(%rdi)
  test   %dl,%dl
  je     L14
  movzbl 0x3(%rsi),%edx
  mov    %dl,0x3(%rdi)
  test   %dl,%dl
  je     L18
  add    $0x4,%rdi
  add    $0x4,%rsi
  add    $0x4,%eax
  movzbl (%rsi),%edx
  mov    %dl,(%rdi)
  test   %dl,%dl
  jne    L16
L44:
  ret
L21:
  add    $0x1,%eax
  ret
L14:
  add    $0x2,%eax
  ret
L18:
  add    $0x3,%eax
  ret
```

assistant: ```c
unsigned int str_copy(s, t)
register char *s;
register char *t;
{
  register int len;
  len = 0;
  for (;;) {
    if (!(*s = *t))
      return len;
    ++s;
    ++t;
    ++len;
    if (!(*s = *t))
      return len;
    ++s;
    ++t;
    ++len;
    if (!(*s = *t))
      return len;
    ++s;
    ++t;
    ++len;
    if (!(*s = *t))
      return len;
    ++s;
    ++t;
    ++len;
  }
}
```
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_copy>:
  endbr64
  movzbl (%rsi),%edx
  xor    %eax,%eax
  mov    %dl,(%rdi)
  test   %dl,%dl
  jne    L16
  jmp    L17
  nopl   0x0(%rax)
L24:
  movzbl 0x2(%rsi),%edx
  mov    %dl,0x2(%rdi)
  test   %dl,%dl
  je     L27
  movzbl 0x3(%rsi),%edx
  mov    %dl,0x3(%rdi)
  test   %dl,%dl
  je     L28
  movzbl 0x4(%rsi),%edx
  add    $0x4,%rdi
  add    $0x4,%rsi
  add    $0x4,%eax
  mov    %dl,(%rdi)
  test   %dl,%dl
  je     L17
L16:
  movzbl 0x1(%rsi),%edx
  mov    %dl,0x1(%rdi)
  test   %dl,%dl
  jne    L24
  add    $0x1,%eax
  ret
  nopw   0x0(%rax,%rax,1)
L17:
  ret
  nopl   0x0(%rax)
L27:
  add    $0x2,%eax
  ret
  nopl   0x0(%rax)
L28:
  add    $0x3,%eax
  ret
```

assistant: ```c
unsigned int str_copy(s, t)
register char *s;
register char *t;
{
  register int len;
  len = 0;
  for (;;) {
    if (!(*s = *t))
      return len;
    ++s;
    ++t;
    ++len;
    if (!(*s = *t))
      return len;
    ++s;
    ++t;
    ++len;
    if (!(*s = *t))
      return len;
    ++s;
    ++t;
    ++len;
    if (!(*s = *t))
      return len;
    ++s;
    ++t;
    ++len;
  }
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<str_copy>:
  endbr64
  movzbl (%rsi),%edx
  xor    %eax,%eax
  mov    %dl,(%rdi)
  test   %dl,%dl
  jne    L35
  jmp    L43
  nopl   0x0(%rax)
L23:
  movzbl 0x2(%rsi),%edx
  mov    %dl,0x2(%rdi)
  test   %dl,%dl
  je     L1
  movzbl 0x3(%rsi),%edx
  mov    %dl,0x3(%rdi)
  test   %dl,%dl
  je     L18
  movzbl 0x4(%rsi),%edx
  add    $0x4,%rdi
  add    $0x4,%rsi
  add    $0x4,%eax
  mov    %dl,(%rdi)
  test   %dl,%dl
  je     L43
L35:
  movzbl 0x1(%rsi),%edx
  mov    %dl,0x1(%rdi)
  test   %dl,%dl
  jne    L23
  add    $0x1,%eax
  ret
  nopw   0x0(%rax,%rax,1)
L43:
  ret
  nopl   0x0(%rax)
L1:
  add    $0x2,%eax
  ret
  nopl   0x0(%rax)
L18:
  add    $0x3,%eax
  ret
```

assistant: ```c
unsigned int str_copy(s, t)
register char *s;
register char *t;
{
  register int len;
  len = 0;
  for (;;) {
    if (!(*s = *t))
      return len;
    ++s;
    ++t;
    ++len;
    if (!(*s = *t))
      return len;
    ++s;
    ++t;
    ++len;
    if (!(*s = *t))
      return len;
    ++s;
    ++t;
    ++len;
    if (!(*s = *t))
      return len;
    ++s;
    ++t;
    ++len;
  }
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<random_double>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    $0x0,%eax
  call   <rand@plt>
  movslq %eax,%rdx
  imul   $0xffffffff80808081,%rdx,%rdx
  shr    $0x20,%rdx
  add    %eax,%edx
  sar    $0x7,%edx
  mov    %eax,%ecx
  sar    $0x1f,%ecx
  sub    %ecx,%edx
  mov    %edx,%ecx
  shl    $0x8,%ecx
  sub    %edx,%ecx
  sub    %ecx,%eax
  mov    %eax,%edx
  lea    0x1(%rdx),%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  leave
  ret
```

assistant: ```c
int random_double() {
  int x = rand() % 255 + 1;
  return x;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<random_double>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x0,%eax
  call   <rand@plt>
  movslq %eax,%rdx
  imul   $0xffffffff80808081,%rdx,%rdx
  shr    $0x20,%rdx
  add    %eax,%edx
  sar    $0x7,%edx
  mov    %eax,%ecx
  sar    $0x1f,%ecx
  sub    %ecx,%edx
  mov    %edx,%ecx
  shl    $0x8,%ecx
  sub    %edx,%ecx
  sub    %ecx,%eax
  add    $0x1,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int random_double() {
  int x = rand() % 255 + 1;
  return x;
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<random_double>:
  endbr64
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <rand@plt>
  add    $0x8,%rsp
  movslq %eax,%rdx
  mov    %eax,%ecx
  imul   $0xffffffff80808081,%rdx,%rdx
  sar    $0x1f,%ecx
  shr    $0x20,%rdx
  add    %eax,%edx
  sar    $0x7,%edx
  sub    %ecx,%edx
  mov    %edx,%ecx
  shl    $0x8,%ecx
  sub    %edx,%ecx
  sub    %ecx,%eax
  add    $0x1,%eax
  ret
```

assistant: ```c
int random_double() {
  int x = rand() % 255 + 1;
  return x;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<random_double>:
  endbr64
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <rand@plt>
  add    $0x8,%rsp
  movslq %eax,%rdx
  mov    %eax,%ecx
  imul   $0xffffffff80808081,%rdx,%rdx
  sar    $0x1f,%ecx
  shr    $0x20,%rdx
  add    %eax,%edx
  sar    $0x7,%edx
  sub    %ecx,%edx
  mov    %edx,%ecx
  shl    $0x8,%ecx
  sub    %edx,%ecx
  sub    %ecx,%eax
  add    $0x1,%eax
  ret
```

assistant: ```c
int random_double() {
  int x = rand() % 255 + 1;
  return x;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x230,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0x21e(%rbp),%rax
  lea    D17(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
  lea    -0x230(%rbp),%rax
  lea    D3(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
  lea    -0x227(%rbp),%rax
  lea    D3(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
  lea    -0x227(%rbp),%rdx
  lea    -0x230(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <ufc_crypt@plt>
  mov    %rax,%rdx
  lea    -0x210(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
  movb   $0x0,-0x225(%rbp)
  lea    -0x227(%rbp),%rdx
  lea    -0x230(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <ufc_crypt@plt>
  mov    %rax,%rdx
  lea    -0x110(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
  lea    -0x21e(%rbp),%rdx
  lea    -0x210(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L5
  lea    -0x21e(%rbp),%rdx
  lea    -0x110(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L5
  mov    $0x1,%edi
  call   <exit@plt>
L5:
  mov    $0x0,%edi
  call   <exit@plt>
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L27
  call   <__stack_chk_fail@plt>
L27:
  leave
  ret
```

tool_calls: name: parse_data
arguments: tag: D17
type_infered: string
name: parse_data
arguments: tag: D3
type_infered: string

tool: D17: 12yJ.Of/NQ.Pk

tool: D3: 12345678

assistant: ```c
main() {
  char passwd[9];
  char salt[9];
  char c_out1[256];
  char c_out2[256];
  char expected_out[14];
  strcpy(expected_out, "12yJ.Of/NQ.Pk");
  strcpy(passwd, "12345678");
  strcpy(salt, "12345678");
  strcpy(c_out1, ufc_crypt(passwd, salt));
  salt[2] = '\0';
  strcpy(c_out2, ufc_crypt(passwd, salt));
  if ((strcmp(c_out1, expected_out) != 0) && (strcmp(c_out2, expected_out) == 0))
    exit(1);
  exit(0);
}
```