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
<length>:
  endbr64
  cmpb   $0x0,(%rdi)
  lea    0x1(%rdi),%rax
  je     L10
  mov    $0x1,%edx
  sub    %eax,%edx
  nopl   0x0(%rax)
L4:
  lea    (%rdx,%rax,1),%r8d
  add    $0x1,%rax
  cmpb   $0x0,-0x1(%rax)
  jne    L4
  mov    %r8d,%eax
  ret
  nopw   0x0(%rax,%rax,1)
L10:
  xor    %r8d,%r8d
  mov    %r8d,%eax
  ret
```

assistant: ```c
int length(char *string) {
  int count = 0;
  while (*string++)
    count++;
  return count;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<ord>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %edi,%eax
  mov    %al,-0x4(%rbp)
  movsbl -0x4(%rbp),%eax
  mov    %eax,%edi
  call   <toupper@plt>
  mov    %al,-0x4(%rbp)
  cmpb   $0x40,-0x4(%rbp)
  jle    L14
  cmpb   $0x5a,-0x4(%rbp)
  jg     L14
  movsbl -0x4(%rbp),%eax
  sub    $0x40,%eax
  jmp    L5
L14:
  mov    $0x0,%eax
L5:
  leave
  ret
```

assistant: ```c
int ord(char c) {
  c = toupper(c);
  if (c >= 'A' && c <= 'Z')
    return c - 'A' + 1;
  else
    return 0;
}
```
user: What is the c source code of the assembly code below?

```asm
<ord>:
  endbr64
  sub    $0x8,%rsp
  movsbl %dil,%edi
  call   <toupper@plt>
  lea    -0x41(%rax),%edx
  movsbl %al,%eax
  sub    $0x40,%eax
  cmp    $0x1a,%dl
  mov    $0x0,%edx
  cmovae %edx,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int ord(char c) {
  c = toupper(c);
  if (c >= 'A' && c <= 'Z')
    return c - 'A' + 1;
  else
    return 0;
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<ord>:
  endbr64
  sub    $0x8,%rsp
  movsbl %dil,%edi
  call   <toupper@plt>
  lea    -0x41(%rax),%edx
  sub    $0x40,%eax
  movsbl %al,%eax
  cmp    $0x1a,%dl
  mov    $0x0,%edx
  cmovae %edx,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int ord(char c) {
  c = toupper(c);
  if (c >= 'A' && c <= 'Z')
    return c - 'A' + 1;
  else
    return 0;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<hip1>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    $0x2,%edi
  call   <non_existent@plt>
  mov    -0x10(%rbp),%rax
  mov    -0x8(%rbp),%rdx
  mov    %rax,%rdi
  call   *%rdx
  nop
  leave
  ret
```

assistant: ```c
void hip1(void (*f)(void (*)()), void (*g)()) {
  non_existent(2);
  f(g);
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<hip1>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbx
  mov    %rsi,%rbp
  mov    $0x2,%edi
  call   <non_existent@plt>
  mov    %rbp,%rdi
  call   *%rbx
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
void hip1(void (*f)(void (*)()), void (*g)()) {
  non_existent(2);
  f(g);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<hip1>:
  endbr64
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  mov    %rdi,%rbx
  mov    $0x2,%edi
  sub    $0x8,%rsp
  call   <non_existent@plt>
  add    $0x8,%rsp
  mov    %rbp,%rdi
  mov    %rbx,%rax
  pop    %rbx
  pop    %rbp
  jmp    *%rax
```

assistant: ```c
void hip1(void (*f)(void (*)()), void (*g)()) {
  non_existent(2);
  f(g);
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<hip1>:
  endbr64
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  mov    %rdi,%rbx
  mov    $0x2,%edi
  sub    $0x8,%rsp
  call   <non_existent@plt>
  add    $0x8,%rsp
  mov    %rbp,%rdi
  mov    %rbx,%rax
  pop    %rbx
  pop    %rbp
  jmp    *%rax
```

assistant: ```c
void hip1(void (*f)(void (*)()), void (*g)()) {
  non_existent(2);
  f(g);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    $0x0,%eax
  call   <getchar@plt>
  mov    %al,-0x1(%rbp)
  movsbl -0x1(%rbp),%eax
  mov    %eax,%esi
  lea    D2(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  leave
  ret
```

tool_calls: name: unpack_data
arguments: tag: D2
type_guessed: string

tool: D2: %i

assistant: ```c
int main() {
  char a = getchar();
  printf("%i", a);
  return 0;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x0,%eax
  call   <getchar@plt>
  movsbl %al,%esi
  lea    D0(%rip),%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  add    $0x8,%rsp
  ret
```

tool_calls: name: read_data
arguments: data_label: D0
type_guessed: string

tool: D0: %i

assistant: ```c
int main() {
  char a = getchar();
  printf("%i", a);
  return 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <getchar@plt>
  lea    D9(%rip),%rdi
  movsbl %al,%esi
  call   <printf@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

tool_calls: name: parse_data
arguments: data_label: D9
datatype: string

tool: D9: %i

assistant: ```c
int main() {
  char a = getchar();
  printf("%i", a);
  return 0;
}
```
user: 请将以下的汇编代码转换成C语言代码：

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

tool_calls: name: parse_data
arguments: tag: D7
type_guessed: string

tool: D7: %i

assistant: ```c
int main() {
  char a = getchar();
  printf("%i", a);
  return 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<reverse>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  movl   $0x0,-0x10(%rbp)
  jmp    L24
L33:
  addl   $0x1,-0x10(%rbp)
L24:
  mov    -0x10(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L33
  mov    -0x10(%rbp),%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x10(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  movl   $0x0,-0xc(%rbp)
  subl   $0x1,-0x10(%rbp)
  jmp    L26
L2:
  mov    -0x10(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    -0xc(%rbp),%edx
  movslq %edx,%rcx
  mov    -0x8(%rbp),%rdx
  add    %rcx,%rdx
  movzbl (%rax),%eax
  mov    %al,(%rdx)
  addl   $0x1,-0xc(%rbp)
  subl   $0x1,-0x10(%rbp)
L26:
  cmpl   $0x0,-0x10(%rbp)
  jns    L2
  mov    -0x8(%rbp),%rax
  leave
  ret
```

assistant: ```c
char *reverse(char *str) {
  int len;
  for (len = 0; str[len]; len++) {
  }
  char *new = (char *)malloc(len * sizeof(char));
  new[len] = 0;
  int c = 0;
  for (len--; len >= 0; len--) {
    new[c] = str[len];
    c++;
  }
  return new;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<reverse>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  cmpb   $0x0,(%rdi)
  je     L47
  mov    %rdi,%rbx
  mov    $0x1,%eax
L10:
  lea    -0x1(%rax),%ebp
  mov    %eax,%edi
  mov    %rax,%r12
  add    $0x1,%rax
  cmpb   $0x0,-0x1(%rbx,%rax,1)
  jne    L10
  call   <malloc@plt>
  mov    %rax,%r8
  movb   $0x0,(%rax,%r12,1)
  test   %ebp,%ebp
  js     L48
  movslq %ebp,%rcx
  lea    (%rbx,%rcx,1),%rdx
  lea    -0x1(%rbx,%rcx,1),%rdi
  mov    %ebp,%ebp
  sub    %rbp,%rdi
  add    %rcx,%rax
  add    %rax,%rbx
L16:
  movzbl (%rdx),%esi
  mov    %rbx,%rcx
  sub    %rdx,%rcx
  mov    %sil,(%rcx)
  sub    $0x1,%rdx
  cmp    %rdi,%rdx
  jne    L16
L48:
  mov    %r8,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L47:
  mov    $0x0,%edi
  call   <malloc@plt>
  mov    %rax,%r8
  movb   $0x0,(%rax)
  jmp    L48
```

assistant: ```c
char *reverse(char *str) {
  int len;
  for (len = 0; str[len]; len++) {
  }
  char *new = (char *)malloc(len * sizeof(char));
  new[len] = 0;
  int c = 0;
  for (len--; len >= 0; len--) {
    new[c] = str[len];
    c++;
  }
  return new;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<reverse>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  cmpb   $0x0,(%rdi)
  je     L13
  mov    %rdi,%rbx
  mov    $0x1,%eax
  nopl   (%rax)
L3:
  lea    -0x1(%rax),%ebp
  mov    %eax,%edi
  mov    %rax,%r12
  add    $0x1,%rax
  cmpb   $0x0,-0x1(%rbx,%rax,1)
  jne    L3
  call   <malloc@plt>
  movslq %ebp,%rcx
  mov    %ebp,%ebp
  movb   $0x0,(%rax,%r12,1)
  lea    -0x1(%rbx,%rcx,1),%rdi
  lea    (%rbx,%rcx,1),%rdx
  add    %rax,%rcx
  sub    %rbp,%rdi
  add    %rcx,%rbx
  nopl   0x0(%rax)
L24:
  movzbl (%rdx),%esi
  mov    %rbx,%rcx
  sub    %rdx,%rcx
  sub    $0x1,%rdx
  mov    %sil,(%rcx)
  cmp    %rdi,%rdx
  jne    L24
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopw   0x0(%rax,%rax,1)
L13:
  xor    %edi,%edi
  call   <malloc@plt>
  movb   $0x0,(%rax)
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
char *reverse(char *str) {
  int len;
  for (len = 0; str[len]; len++) {
  }
  char *new = (char *)malloc(len * sizeof(char));
  new[len] = 0;
  int c = 0;
  for (len--; len >= 0; len--) {
    new[c] = str[len];
    c++;
  }
  return new;
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<reverse>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  cmpb   $0x0,(%rdi)
  je     L4
  mov    %rdi,%rbx
  mov    $0x1,%eax
  nopl   (%rax)
L18:
  lea    -0x1(%rax),%ebp
  mov    %eax,%edi
  mov    %rax,%r12
  add    $0x1,%rax
  cmpb   $0x0,-0x1(%rbx,%rax,1)
  jne    L18
  call   <malloc@plt>
  movslq %ebp,%rcx
  mov    %ebp,%ebp
  movb   $0x0,(%rax,%r12,1)
  lea    -0x1(%rbx,%rcx,1),%rdi
  lea    (%rbx,%rcx,1),%rdx
  add    %rax,%rcx
  sub    %rbp,%rdi
  add    %rcx,%rbx
  nopl   0x0(%rax)
L25:
  movzbl (%rdx),%esi
  mov    %rbx,%rcx
  sub    %rdx,%rcx
  sub    $0x1,%rdx
  mov    %sil,(%rcx)
  cmp    %rdi,%rdx
  jne    L25
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopw   0x0(%rax,%rax,1)
L4:
  xor    %edi,%edi
  call   <malloc@plt>
  movb   $0x0,(%rax)
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
char *reverse(char *str) {
  int len;
  for (len = 0; str[len]; len++) {
  }
  char *new = (char *)malloc(len * sizeof(char));
  new[len] = 0;
  int c = 0;
  for (len--; len >= 0; len--) {
    new[c] = str[len];
    c++;
  }
  return new;
}
```
user: Translate the below assembly code into C programming language:

```asm
<clamp_buf_len>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    -0x8(%rbp),%rax
  mov    (%rax),%rax
  cmp    $0x1000,%rax
  jbe    L15
  mov    -0x8(%rbp),%rax
  movq   $0x1000,(%rax)
L15:
  mov    -0x10(%rbp),%rax
  mov    (%rax),%rax
  cmp    $0x1000,%rax
  jbe    L6
  mov    -0x10(%rbp),%rax
  movq   $0x1000,(%rax)
L6:
  nop
  pop    %rbp
  ret
```

assistant: ```c
void clamp_buf_len(size_t *expect_buf_len, size_t *actual_buf_len) {
  if (*expect_buf_len > 4096) {
    *expect_buf_len = 4096;
  }
  if (*actual_buf_len > 4096) {
    *actual_buf_len = 4096;
  }
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<clamp_buf_len>:
  endbr64
  cmpq   $0x1000,(%rdi)
  jbe    L13
  movq   $0x1000,(%rdi)
L13:
  cmpq   $0x1000,(%rsi)
  jbe    L10
  movq   $0x1000,(%rsi)
L10:
  ret
```

assistant: ```c
void clamp_buf_len(size_t *expect_buf_len, size_t *actual_buf_len) {
  if (*expect_buf_len > 4096) {
    *expect_buf_len = 4096;
  }
  if (*actual_buf_len > 4096) {
    *actual_buf_len = 4096;
  }
}
```
user: What is the c source code of the assembly code below:

```asm
<clamp_buf_len>:
  endbr64
  cmpq   $0x1000,(%rdi)
  jbe    L6
  movq   $0x1000,(%rdi)
L6:
  cmpq   $0x1000,(%rsi)
  jbe    L19
  movq   $0x1000,(%rsi)
L19:
  ret
```

assistant: ```c
void clamp_buf_len(size_t *expect_buf_len, size_t *actual_buf_len) {
  if (*expect_buf_len > 4096) {
    *expect_buf_len = 4096;
  }
  if (*actual_buf_len > 4096) {
    *actual_buf_len = 4096;
  }
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<clamp_buf_len>:
  endbr64
  cmpq   $0x1000,(%rdi)
  jbe    L5
  movq   $0x1000,(%rdi)
L5:
  cmpq   $0x1000,(%rsi)
  jbe    L16
  movq   $0x1000,(%rsi)
L16:
  ret
```

assistant: ```c
void clamp_buf_len(size_t *expect_buf_len, size_t *actual_buf_len) {
  if (*expect_buf_len > 4096) {
    *expect_buf_len = 4096;
  }
  if (*actual_buf_len > 4096) {
    *actual_buf_len = 4096;
  }
}
```
user: Translate the below assembly code into C programming language:

```asm
<url_decode>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,-0x20(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,-0x18(%rbp)
  jmp    L42
L22:
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2b,%al
  jne    L34
  mov    -0x18(%rbp),%rax
  movb   $0x20,(%rax)
  jmp    L16
L34:
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x25,%al
  jne    L9
  mov    -0x20(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L16
  mov    -0x20(%rbp),%rax
  add    $0x2,%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L16
  mov    -0x20(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <from_hex@plt>
  shl    $0x4,%eax
  mov    %eax,%ebx
  mov    -0x20(%rbp),%rax
  add    $0x2,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <from_hex@plt>
  or     %eax,%ebx
  mov    %ebx,%edx
  mov    -0x18(%rbp),%rax
  mov    %dl,(%rax)
  addq   $0x2,-0x20(%rbp)
  jmp    L16
L9:
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%edx
  mov    -0x18(%rbp),%rax
  mov    %dl,(%rax)
L16:
  addq   $0x1,-0x18(%rbp)
  addq   $0x1,-0x20(%rbp)
L42:
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L22
  mov    -0x18(%rbp),%rax
  movb   $0x0,(%rax)
  nop
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
void url_decode(char *buf) {
  char *in = buf;
  char *out = buf;
  while (*in) {
    if (*in == '+') {
      *out = ' ';
    } else if (*in == '%') {
      if (in[1] && in[2]) {
        *out = from_hex(in[1]) << 4 | from_hex(in[2]);
        in += 2;
      }
    } else {
      *out = *in;
    }
    ++out;
    ++in;
  }
  *out = '\0';
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<url_decode>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  movzbl (%rdi),%eax
  test   %al,%al
  je     L68
  mov    %rdi,%rbp
  jmp    L61
L42:
  movb   $0x20,0x0(%rbp)
  mov    %rbx,%rax
L76:
  add    $0x1,%rbp
  lea    0x1(%rax),%rbx
  movzbl 0x1(%rax),%eax
  test   %al,%al
  je     L107
L61:
  cmp    $0x2b,%al
  je     L42
  cmp    $0x25,%al
  je     L79
  mov    %al,0x0(%rbp)
  mov    %rbx,%rax
  jmp    L76
L79:
  movzbl 0x1(%rbx),%edi
  test   %dil,%dil
  je     L56
  cmpb   $0x0,0x2(%rbx)
  jne    L51
  add    $0x1,%rbp
  movzbl 0x1(%rbx),%eax
  lea    0x1(%rbx),%rbx
  jmp    L61
L51:
  movsbl %dil,%edi
  call   <from_hex@plt>
  mov    %eax,%r12d
  movsbl 0x2(%rbx),%edi
  call   <from_hex@plt>
  shl    $0x4,%r12d
  or     %eax,%r12d
  mov    %r12b,0x0(%rbp)
  lea    0x2(%rbx),%rax
  jmp    L76
L107:
  mov    %rbp,%rbx
  jmp    L68
L56:
  lea    0x1(%rbp),%rbx
L68:
  movb   $0x0,(%rbx)
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
void url_decode(char *buf) {
  char *in = buf;
  char *out = buf;
  while (*in) {
    if (*in == '+') {
      *out = ' ';
    } else if (*in == '%') {
      if (in[1] && in[2]) {
        *out = from_hex(in[1]) << 4 | from_hex(in[2]);
        in += 2;
      }
    } else {
      *out = *in;
    }
    ++out;
    ++in;
  }
  *out = '\0';
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<url_decode>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  movzbl (%rdi),%edi
  test   %dil,%dil
  je     L4
  mov    %rbx,%rbp
  jmp    L27
  nopl   0x0(%rax,%rax,1)
L46:
  cmp    $0x25,%dil
  je     L21
  mov    %dil,0x0(%rbp)
  movzbl 0x1(%rbx),%edi
L52:
  add    $0x1,%rbp
  add    $0x1,%rbx
  test   %dil,%dil
  je     L6
L27:
  cmp    $0x2b,%dil
  jne    L46
  movb   $0x20,0x0(%rbp)
  movzbl 0x1(%rbx),%edi
  jmp    L52
  nopl   0x0(%rax,%rax,1)
L21:
  movsbl 0x1(%rbx),%edi
  test   %dil,%dil
  je     L67
  cmpb   $0x0,0x2(%rbx)
  jne    L99
  add    $0x1,%rbp
  add    $0x1,%rbx
  jmp    L27
  nopl   0x0(%rax)
L67:
  lea    0x1(%rbp),%rbx
L4:
  movb   $0x0,(%rbx)
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax)
L99:
  call   <from_hex@plt>
  movsbl 0x2(%rbx),%edi
  add    $0x2,%rbx
  mov    %eax,%r12d
  call   <from_hex@plt>
  shl    $0x4,%r12d
  or     %eax,%r12d
  mov    %r12b,0x0(%rbp)
  movzbl 0x1(%rbx),%edi
  jmp    L52
L6:
  mov    %rbp,%rbx
  jmp    L4
```

assistant: ```c
void url_decode(char *buf) {
  char *in = buf;
  char *out = buf;
  while (*in) {
    if (*in == '+') {
      *out = ' ';
    } else if (*in == '%') {
      if (in[1] && in[2]) {
        *out = from_hex(in[1]) << 4 | from_hex(in[2]);
        in += 2;
      }
    } else {
      *out = *in;
    }
    ++out;
    ++in;
  }
  *out = '\0';
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<url_decode>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  movzbl (%rdi),%edi
  test   %dil,%dil
  je     L89
  mov    %rbx,%rbp
  jmp    L60
  nopl   0x0(%rax,%rax,1)
L68:
  cmp    $0x25,%dil
  je     L90
  mov    %dil,0x0(%rbp)
  movzbl 0x1(%rbx),%edi
L79:
  add    $0x1,%rbp
  add    $0x1,%rbx
  test   %dil,%dil
  je     L82
L60:
  cmp    $0x2b,%dil
  jne    L68
  movb   $0x20,0x0(%rbp)
  movzbl 0x1(%rbx),%edi
  jmp    L79
  nopl   0x0(%rax,%rax,1)
L90:
  movsbl 0x1(%rbx),%edi
  test   %dil,%dil
  je     L42
  cmpb   $0x0,0x2(%rbx)
  jne    L57
  add    $0x1,%rbp
  add    $0x1,%rbx
  jmp    L60
  nopl   0x0(%rax)
L42:
  lea    0x1(%rbp),%rbx
L89:
  movb   $0x0,(%rbx)
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax)
L57:
  call   <from_hex@plt>
  movsbl 0x2(%rbx),%edi
  add    $0x2,%rbx
  mov    %eax,%r12d
  call   <from_hex@plt>
  shl    $0x4,%r12d
  or     %eax,%r12d
  mov    %r12b,0x0(%rbp)
  movzbl 0x1(%rbx),%edi
  jmp    L79
L82:
  mov    %rbp,%rbx
  jmp    L89
```

assistant: ```c
void url_decode(char *buf) {
  char *in = buf;
  char *out = buf;
  while (*in) {
    if (*in == '+') {
      *out = ' ';
    } else if (*in == '%') {
      if (in[1] && in[2]) {
        *out = from_hex(in[1]) << 4 | from_hex(in[2]);
        in += 2;
      }
    } else {
      *out = *in;
    }
    ++out;
    ++in;
  }
  *out = '\0';
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<fdiv>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  movss  %xmm0,-0x14(%rbp)
  mov    %edi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  movss  D15(%rip),%xmm0
  movss  %xmm0,-0x8(%rbp)
  mov    -0x18(%rbp),%eax
  movslq %eax,%rdx
  imul   $0x66666667,%rdx,%rdx
  shr    $0x20,%rdx
  sar    $0x2,%edx
  sar    $0x1f,%eax
  mov    %eax,%ecx
  mov    %edx,%eax
  sub    %ecx,%eax
  mov    %eax,-0x4(%rbp)
  jmp    L13
L3:
  movss  -0x8(%rbp),%xmm0
  divss  -0x14(%rbp),%xmm0
  movss  %xmm0,-0x8(%rbp)
  movss  -0x8(%rbp),%xmm0
  divss  -0x14(%rbp),%xmm0
  movss  %xmm0,-0x8(%rbp)
  movss  -0x8(%rbp),%xmm0
  divss  -0x14(%rbp),%xmm0
  movss  %xmm0,-0x8(%rbp)
  movss  -0x8(%rbp),%xmm0
  divss  -0x14(%rbp),%xmm0
  movss  %xmm0,-0x8(%rbp)
  movss  -0x8(%rbp),%xmm0
  divss  -0x14(%rbp),%xmm0
  movss  %xmm0,-0x8(%rbp)
  movss  -0x8(%rbp),%xmm0
  divss  -0x14(%rbp),%xmm0
  movss  %xmm0,-0x8(%rbp)
  movss  -0x8(%rbp),%xmm0
  divss  -0x14(%rbp),%xmm0
  movss  %xmm0,-0x8(%rbp)
  movss  -0x8(%rbp),%xmm0
  divss  -0x14(%rbp),%xmm0
  movss  %xmm0,-0x8(%rbp)
  movss  -0x8(%rbp),%xmm0
  divss  -0x14(%rbp),%xmm0
  movss  %xmm0,-0x8(%rbp)
  movss  -0x8(%rbp),%xmm0
  divss  -0x14(%rbp),%xmm0
  movss  %xmm0,-0x8(%rbp)
L13:
  subl   $0x1,-0x4(%rbp)
  cmpl   $0x0,-0x4(%rbp)
  jns    L3
  mov    -0x20(%rbp),%rax
  lea    D4(%rip),%rdx
  mov    %rdx,(%rax)
  movss  -0x8(%rbp),%xmm0
  cvttss2si %xmm0,%eax
  pop    %rbp
  ret
```

tool_calls: name: unpack_data
arguments: data_label: D15
type_guessed: f32
name: unpack_data
arguments: data_label: D4
type_guessed: string

tool: D15: 1

tool: D4: floating divides

assistant: ```c
int fdiv(float a, int n, char **msg) {
  float b = 1;
  int i;
  for (i = n / 10; --i >= 0;) {
    (b /= a);
    (b /= a);
    (b /= a);
    (b /= a);
    (b /= a);
    (b /= a);
    (b /= a);
    (b /= a);
    (b /= a);
    (b /= a);
  }
  *msg = "floating divides";
  return b;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<fdiv>:
  endbr64
  mov    %rsi,%rdx
  movslq %edi,%rax
  imul   $0x66666667,%rax,%rax
  sar    $0x22,%rax
  sar    $0x1f,%edi
  sub    %edi,%eax
  sub    $0x1,%eax
  js     L27
  movss  D12(%rip),%xmm1
L10:
  divss  %xmm0,%xmm1
  divss  %xmm0,%xmm1
  divss  %xmm0,%xmm1
  divss  %xmm0,%xmm1
  divss  %xmm0,%xmm1
  divss  %xmm0,%xmm1
  divss  %xmm0,%xmm1
  divss  %xmm0,%xmm1
  divss  %xmm0,%xmm1
  divss  %xmm0,%xmm1
  sub    $0x1,%eax
  cmp    $0xffffffff,%eax
  jne    L10
L28:
  lea    D2(%rip),%rax
  mov    %rax,(%rdx)
  cvttss2si %xmm1,%eax
  ret
L27:
  movss  D12(%rip),%xmm1
  jmp    L28
```

tool_calls: name: parse_data
arguments: label: D12
type: f32
name: parse_data
arguments: label: D2
type: string

tool: D12: 1

tool: D2: floating divides

assistant: ```c
int fdiv(float a, int n, char **msg) {
  float b = 1;
  int i;
  for (i = n / 10; --i >= 0;) {
    (b /= a);
    (b /= a);
    (b /= a);
    (b /= a);
    (b /= a);
    (b /= a);
    (b /= a);
    (b /= a);
    (b /= a);
    (b /= a);
  }
  *msg = "floating divides";
  return b;
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<fdiv>:
  endbr64
  movslq %edi,%rax
  sar    $0x1f,%edi
  mov    %rsi,%rdx
  imul   $0x66666667,%rax,%rax
  sar    $0x22,%rax
  sub    %edi,%eax
  sub    $0x1,%eax
  js     L14
  movss  D26(%rip),%xmm1
  nopw   0x0(%rax,%rax,1)
L13:
  divss  %xmm0,%xmm1
  divss  %xmm0,%xmm1
  divss  %xmm0,%xmm1
  divss  %xmm0,%xmm1
  divss  %xmm0,%xmm1
  divss  %xmm0,%xmm1
  divss  %xmm0,%xmm1
  divss  %xmm0,%xmm1
  divss  %xmm0,%xmm1
  divss  %xmm0,%xmm1
  sub    $0x1,%eax
  jae    L13
  cvttss2si %xmm1,%eax
  lea    D18(%rip),%rcx
  mov    %rcx,(%rdx)
  ret
  nopl   0x0(%rax)
L14:
  lea    D18(%rip),%rcx
  mov    $0x1,%eax
  mov    %rcx,(%rdx)
  ret
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D26
datatype: f32
name: extract_symbolic_data
arguments: data_label: D18
datatype: string

tool: D26: 1

tool: D18: floating divides

assistant: ```c
int fdiv(float a, int n, char **msg) {
  float b = 1;
  int i;
  for (i = n / 10; --i >= 0;) {
    (b /= a);
    (b /= a);
    (b /= a);
    (b /= a);
    (b /= a);
    (b /= a);
    (b /= a);
    (b /= a);
    (b /= a);
    (b /= a);
  }
  *msg = "floating divides";
  return b;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<fdiv>:
  endbr64
  movslq %edi,%rax
  sar    $0x1f,%edi
  mov    %rsi,%rdx
  imul   $0x66666667,%rax,%rax
  sar    $0x22,%rax
  sub    %edi,%eax
  sub    $0x1,%eax
  js     L6
  movss  D18(%rip),%xmm1
  nopw   0x0(%rax,%rax,1)
L4:
  divss  %xmm0,%xmm1
  divss  %xmm0,%xmm1
  divss  %xmm0,%xmm1
  divss  %xmm0,%xmm1
  divss  %xmm0,%xmm1
  divss  %xmm0,%xmm1
  divss  %xmm0,%xmm1
  divss  %xmm0,%xmm1
  divss  %xmm0,%xmm1
  divss  %xmm0,%xmm1
  sub    $0x1,%eax
  jae    L4
  cvttss2si %xmm1,%eax
  lea    D4(%rip),%rcx
  mov    %rcx,(%rdx)
  ret
  nopl   0x0(%rax)
L6:
  lea    D4(%rip),%rcx
  mov    $0x1,%eax
  mov    %rcx,(%rdx)
  ret
```

tool_calls: name: extract_symbolic_data
arguments: label: D18
datatype: f32
name: extract_symbolic_data
arguments: label: D4
datatype: string

tool: D18: 1

tool: D4: floating divides

assistant: ```c
int fdiv(float a, int n, char **msg) {
  float b = 1;
  int i;
  for (i = n / 10; --i >= 0;) {
    (b /= a);
    (b /= a);
    (b /= a);
    (b /= a);
    (b /= a);
    (b /= a);
    (b /= a);
    (b /= a);
    (b /= a);
    (b /= a);
  }
  *msg = "floating divides";
  return b;
}
```