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

```asm
<Pipe2Buf>:
  endbr64
  push   %r14
  xor    %r14d,%r14d
  push   %r13
  push   %r12
  mov    $0xa000,%r12d
  push   %rbp
  mov    %edi,%ebp
  mov    $0xa000,%edi
  push   %rbx
  mov    %rsi,%rbx
  call   <xmalloc@plt>
  mov    %rax,(%rbx)
  mov    %rax,%rdi
L17:
  movslq %r14d,%r13
  mov    $0x1000,%edx
  lea    (%rdi,%r13,1),%rsi
  mov    %ebp,%edi
  call   <read@plt>
  test   %eax,%eax
  jg     L34
  mov    (%rbx),%rdi
  jne    L13
  add    $0x1,%r14d
  mov    %r14d,%esi
  call   <xrealloc@plt>
  mov    %rax,(%rbx)
  movb   $0x0,(%rax,%r13,1)
L22:
  pop    %rbx
  mov    %r14d,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  cs nopw 0x0(%rax,%rax,1)
L34:
  add    %eax,%r14d
  mov    (%rbx),%rdi
  lea    0x1000(%r14),%eax
  cmp    %r12d,%eax
  jl     L17
  add    $0xa000,%r12d
  mov    %r12d,%esi
  call   <xrealloc@plt>
  mov    %rax,(%rbx)
  mov    %rax,%rdi
  jmp    L17
  nopl   0x0(%rax)
L13:
  call   <xfree@plt>
  mov    $0xffffffff,%r14d
  jmp    L22
```

assistant: ```c
int Pipe2Buf(int fd, char **buf) {
  int got;
  int clen = 0;
  int blen = 0;
  blen = 4096 * 10;
  *buf = xmalloc(blen);
  while (1) {
    if ((clen + 4096) >= blen) {
      blen += 4096 * 10;
      *buf = xrealloc(*buf, blen);
    }
    got = read(fd, *buf + clen, 4096);
    if (got > 0) {
      clen += got;
      continue;
    } else if (got == 0) {
      blen = clen + 1;
      *buf = xrealloc(*buf, blen);
      *(*buf + clen) = '\0';
      break;
    } else {
      xfree(*buf);
      blen = -1;
      break;
    }
  }
  return blen;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<coef>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x14(%rbp)
  cmpl   $0x0,-0x14(%rbp)
  jne    L21
  pxor   %xmm0,%xmm0
  jmp    L10
L21:
  pxor   %xmm1,%xmm1
  cvtsi2sdl -0x14(%rbp),%xmm1
  movsd  D5(%rip),%xmm0
  divsd  %xmm1,%xmm0
  movsd  %xmm0,-0x8(%rbp)
  mov    -0x14(%rbp),%eax
  and    $0x1,%eax
  test   %eax,%eax
  jne    L26
  movsd  -0x8(%rbp),%xmm0
  movq   D14(%rip),%xmm1
  xorpd  %xmm1,%xmm0
  movsd  %xmm0,-0x8(%rbp)
L26:
  movsd  -0x8(%rbp),%xmm0
L10:
  movq   %xmm0,%rax
  movq   %rax,%xmm0
  pop    %rbp
  ret
```

tool_calls: name: parse_data
arguments: data_label: D5
type: f64
name: parse_data
arguments: data_label: D14
type: byte[8]

tool: D5: 1

tool: {"D14": [0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80]}

assistant: ```c
double coef(int n) {
  if (n == 0)
    return 0;
  double t = 1.0 / n;
  if (n % 2 == 0)
    t = -t;
  return t;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<coef>:
  endbr64
  pxor   %xmm0,%xmm0
  test   %edi,%edi
  je     L19
  pxor   %xmm1,%xmm1
  cvtsi2sd %edi,%xmm1
  movsd  D12(%rip),%xmm0
  divsd  %xmm1,%xmm0
  test   $0x1,%dil
  jne    L19
  xorpd  D13(%rip),%xmm0
L19:
  ret
```

tool_calls: name: unpack_data
arguments: data_label: D12
type_infered: f64
name: unpack_data
arguments: data_label: D13
type_infered: byte[16]

tool: D12: 1

tool: {"D13": [0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00]}

assistant: ```c
double coef(int n) {
  if (n == 0)
    return 0;
  double t = 1.0 / n;
  if (n % 2 == 0)
    t = -t;
  return t;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<coef>:
  endbr64
  pxor   %xmm0,%xmm0
  test   %edi,%edi
  je     L5
  pxor   %xmm1,%xmm1
  movsd  D4(%rip),%xmm0
  cvtsi2sd %edi,%xmm1
  and    $0x1,%edi
  divsd  %xmm1,%xmm0
  jne    L5
  xorpd  D1(%rip),%xmm0
L5:
  ret
```

tool_calls: name: disassemble_data
arguments: data_label: D4
type: f64
name: disassemble_data
arguments: data_label: D1
type: byte[16]

tool: D4: 1

tool: {"D1": [0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00]}

assistant: ```c
double coef(int n) {
  if (n == 0)
    return 0;
  double t = 1.0 / n;
  if (n % 2 == 0)
    t = -t;
  return t;
}
```
user: Translate the below assembly code into C programming language:

```asm
<coef>:
  endbr64
  pxor   %xmm0,%xmm0
  test   %edi,%edi
  je     L19
  pxor   %xmm1,%xmm1
  movsd  D12(%rip),%xmm0
  cvtsi2sd %edi,%xmm1
  and    $0x1,%edi
  divsd  %xmm1,%xmm0
  jne    L19
  xorpd  D2(%rip),%xmm0
L19:
  ret
```

tool_calls: name: disassemble_data
arguments: label: D12
data_type: f64
name: disassemble_data
arguments: label: D2
data_type: byte[16]

tool: D12: 1

tool: {"D2": [0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00]}

assistant: ```c
double coef(int n) {
  if (n == 0)
    return 0;
  double t = 1.0 / n;
  if (n % 2 == 0)
    t = -t;
  return t;
}
```
user: Translate the below assembly code into C programming language:

```asm
<rl_refresh_line>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %edi,-0x4(%rbp)
  mov    %esi,-0x8(%rbp)
  mov    $0x0,%eax
  call   <redisplay@plt>
  mov    $0x0,%eax
  leave
  ret
```

assistant: ```c
int rl_refresh_line(int ignore1 __attribute__((unused)), int ignore2 __attribute__((unused))) {
  redisplay();
  return 0;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<rl_refresh_line>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x0,%eax
  call   <redisplay@plt>
  mov    $0x0,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int rl_refresh_line(int ignore1 __attribute__((unused)), int ignore2 __attribute__((unused))) {
  redisplay();
  return 0;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<rl_refresh_line>:
  endbr64
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <redisplay@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int rl_refresh_line(int ignore1 __attribute__((unused)), int ignore2 __attribute__((unused))) {
  redisplay();
  return 0;
}
```
user: Translate the below assembly code into C programming language:

```asm
<rl_refresh_line>:
  endbr64
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <redisplay@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int rl_refresh_line(int ignore1 __attribute__((unused)), int ignore2 __attribute__((unused))) {
  redisplay();
  return 0;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  movl   $0x0,-0xc(%rbp)
  lea    D0(%rip),%rax
  mov    %rax,%rdi
  call   <printString@plt>
  lea    D16(%rip),%rax
  mov    %rax,%rdi
  call   <printString@plt>
L85:
  nop
L52:
  mov    $0x3da,%edi
  call   <inportb@plt>
  and    $0x8,%eax
  test   %eax,%eax
  jne    L52
  nop
L68:
  mov    $0x3da,%edi
  call   <inportb@plt>
  and    $0x8,%eax
  test   %eax,%eax
  je     L68
  movl   $0x12c,-0x8(%rbp)
  jmp    L5
L33:
  movl   $0x12c,-0x4(%rbp)
  jmp    L0
L79:
  mov    $0x1c2,%eax
  sub    -0x8(%rbp),%eax
  mov    %eax,%edx
  mov    $0x1c2,%eax
  sub    -0x8(%rbp),%eax
  mov    %edx,%ecx
  imul   %eax,%ecx
  mov    $0x1c2,%eax
  sub    -0x4(%rbp),%eax
  mov    %eax,%edx
  mov    $0x1c2,%eax
  sub    -0x4(%rbp),%eax
  imul   %edx,%eax
  lea    (%rcx,%rax,1),%edx
  mov    -0xc(%rbp),%eax
  imul   %eax,%eax
  cmp    %eax,%edx
  jge    L39
  mov    -0x4(%rbp),%eax
  shl    $0xa,%eax
  mov    %eax,%edx
  mov    -0x8(%rbp),%eax
  add    %edx,%eax
  mov    $0x2281337,%esi
  mov    %eax,%edi
  call   <SlowEffect@plt>
  jmp    L81
L39:
  mov    -0x4(%rbp),%eax
  shl    $0xa,%eax
  mov    %eax,%edx
  mov    -0x8(%rbp),%eax
  add    %edx,%eax
  mov    $0x0,%esi
  mov    %eax,%edi
  call   <SlowEffect@plt>
L81:
  addl   $0x1,-0x4(%rbp)
L0:
  cmpl   $0x257,-0x4(%rbp)
  jle    L79
  addl   $0x1,-0x8(%rbp)
L5:
  cmpl   $0x257,-0x8(%rbp)
  jle    L33
  addl   $0x1,-0xc(%rbp)
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  imul   $0x51eb851f,%rdx,%rdx
  shr    $0x20,%rdx
  sar    $0x5,%edx
  mov    %eax,%ecx
  sar    $0x1f,%ecx
  sub    %ecx,%edx
  imul   $0x64,%edx,%edx
  sub    %edx,%eax
  mov    %eax,-0xc(%rbp)
  jmp    L85
```

tool_calls: name: disassemble_data
arguments: data_tag: D0
datatype: string
name: disassemble_data
arguments: data_tag: D16
datatype: string

tool: D0: VESA Video Driver Demo


tool: D16: Hello,World!


assistant: ```c
void main() {
  int anim = 0;
  printString("VESA Video Driver Demo\n");
  printString("Hello,World!\n");
  while (1) {
    while ((inportb(0x3DA) & 0x08))
      ;
    while (!(inportb(0x3DA) & 0x08))
      ;
    for (int x = 300; x < 600; x++)
      for (int y = 300; y < 600; y++) {
        if ((450 - x) * (450 - x) + (450 - y) * (450 - y) < anim * anim)
          SlowEffect(1024 * y + x, 0x2281337);
        else
          SlowEffect(1024 * y + x, 0x0);
      }
    anim++;
    anim %= 100;
  }
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<main>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  lea    D3(%rip),%rdi
  call   <printString@plt>
  lea    D12(%rip),%rdi
  call   <printString@plt>
  movl   $0x0,0xc(%rsp)
  mov    $0x4b1c2,%r15d
  jmp    L66
L56:
  mov    $0x0,%esi
  mov    %ebp,%edi
  call   <SlowEffect@plt>
L33:
  sub    $0x1,%ebx
  add    $0x400,%ebp
  cmp    $0xffffff6a,%ebx
  je     L87
L43:
  mov    %ebx,%eax
  imul   %ebx,%eax
  add    %r12d,%eax
  cmp    %r13d,%eax
  jge    L56
  mov    $0x2281337,%esi
  mov    %ebp,%edi
  call   <SlowEffect@plt>
  jmp    L33
L87:
  sub    $0x1,%r14d
  cmp    $0xffffff6a,%r14d
  je     L40
L5:
  mov    %r14d,%r12d
  imul   %r14d,%r12d
  mov    %r15d,%ebp
  sub    %r14d,%ebp
  mov    $0x96,%ebx
  jmp    L43
L40:
  mov    0xc(%rsp),%edx
  add    $0x1,%edx
  movslq %edx,%rax
  imul   $0x51eb851f,%rax,%rax
  sar    $0x25,%rax
  mov    %edx,%ecx
  sar    $0x1f,%ecx
  sub    %ecx,%eax
  imul   $0x64,%eax,%eax
  sub    %eax,%edx
  mov    %edx,0xc(%rsp)
L66:
  mov    $0x3da,%edi
  call   <inportb@plt>
  test   $0x8,%al
  jne    L66
L24:
  mov    $0x3da,%edi
  call   <inportb@plt>
  test   $0x8,%al
  je     L24
  mov    0xc(%rsp),%eax
  mov    %eax,%r13d
  imul   %eax,%r13d
  mov    $0x96,%r14d
  jmp    L5
```

tool_calls: name: disassemble_data
arguments: data_label: D3
data_type: string
name: disassemble_data
arguments: data_label: D12
data_type: string

tool: D3: VESA Video Driver Demo


tool: D12: Hello,World!


assistant: ```c
void main() {
  int anim = 0;
  printString("VESA Video Driver Demo\n");
  printString("Hello,World!\n");
  while (1) {
    while ((inportb(0x3DA) & 0x08))
      ;
    while (!(inportb(0x3DA) & 0x08))
      ;
    for (int x = 300; x < 600; x++)
      for (int y = 300; y < 600; y++) {
        if ((450 - x) * (450 - x) + (450 - y) * (450 - y) < anim * anim)
          SlowEffect(1024 * y + x, 0x2281337);
        else
          SlowEffect(1024 * y + x, 0x0);
      }
    anim++;
    anim %= 100;
  }
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<main>:
  endbr64
  push   %r15
  lea    D2(%rip),%rdi
  push   %r14
  mov    $0x4b1c2,%r14d
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  call   <printString@plt>
  lea    D5(%rip),%rdi
  call   <printString@plt>
  movl   $0x0,0xc(%rsp)
L13:
  mov    $0x3da,%edi
  call   <inportb@plt>
  test   $0x8,%al
  jne    L13
L23:
  mov    $0x3da,%edi
  call   <inportb@plt>
  test   $0x8,%al
  je     L23
  mov    0xc(%rsp),%eax
  mov    $0x96,%r13d
  mov    %eax,%r12d
  imul   %eax,%r12d
L64:
  mov    %r13d,%ebp
  mov    %r14d,%r15d
  mov    $0x96,%ebx
  imul   %r13d,%ebp
  sub    %r13d,%r15d
  jmp    L16
  nopl   0x0(%rax)
L15:
  mov    $0x2281337,%esi
  mov    %r15d,%edi
  call   <SlowEffect@plt>
L31:
  sub    $0x1,%ebx
  add    $0x400,%r15d
  cmp    $0xffffff6a,%ebx
  je     L38
L16:
  mov    %ebx,%eax
  imul   %ebx,%eax
  add    %ebp,%eax
  cmp    %r12d,%eax
  jl     L15
  xor    %esi,%esi
  mov    %r15d,%edi
  call   <SlowEffect@plt>
  jmp    L31
L38:
  sub    $0x1,%r13d
  cmp    $0xffffff6a,%r13d
  jne    L64
  mov    0xc(%rsp),%eax
  lea    0x1(%rax),%r15d
  mov    %r15,%rax
  imul   $0x51eb851f,%r15,%r15
  shr    $0x25,%r15
  imul   $0x64,%r15d,%edx
  sub    %edx,%eax
  mov    %eax,0xc(%rsp)
  jmp    L13
```

tool_calls: name: extract_symbolic_data
arguments: label: D2
type: string
name: extract_symbolic_data
arguments: label: D5
type: string

tool: D2: VESA Video Driver Demo


tool: D5: Hello,World!


assistant: ```c
void main() {
  int anim = 0;
  printString("VESA Video Driver Demo\n");
  printString("Hello,World!\n");
  while (1) {
    while ((inportb(0x3DA) & 0x08))
      ;
    while (!(inportb(0x3DA) & 0x08))
      ;
    for (int x = 300; x < 600; x++)
      for (int y = 300; y < 600; y++) {
        if ((450 - x) * (450 - x) + (450 - y) * (450 - y) < anim * anim)
          SlowEffect(1024 * y + x, 0x2281337);
        else
          SlowEffect(1024 * y + x, 0x0);
      }
    anim++;
    anim %= 100;
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<main>:
  endbr64
  push   %r15
  lea    D15(%rip),%rdi
  push   %r14
  mov    $0x4b1c2,%r14d
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  call   <printString@plt>
  lea    D6(%rip),%rdi
  call   <printString@plt>
  movl   $0x0,0xc(%rsp)
L25:
  mov    $0x3da,%edi
  call   <inportb@plt>
  test   $0x8,%al
  jne    L25
L74:
  mov    $0x3da,%edi
  call   <inportb@plt>
  test   $0x8,%al
  je     L74
  mov    0xc(%rsp),%eax
  mov    $0x96,%r13d
  mov    %eax,%r12d
  imul   %eax,%r12d
L71:
  mov    %r13d,%ebp
  mov    %r14d,%r15d
  mov    $0x96,%ebx
  imul   %r13d,%ebp
  sub    %r13d,%r15d
  jmp    L60
  nopl   0x0(%rax)
L77:
  mov    $0x2281337,%esi
  mov    %r15d,%edi
  call   <SlowEffect@plt>
L21:
  sub    $0x1,%ebx
  add    $0x400,%r15d
  cmp    $0xffffff6a,%ebx
  je     L52
L60:
  mov    %ebx,%eax
  imul   %ebx,%eax
  add    %ebp,%eax
  cmp    %r12d,%eax
  jl     L77
  xor    %esi,%esi
  mov    %r15d,%edi
  call   <SlowEffect@plt>
  jmp    L21
L52:
  sub    $0x1,%r13d
  cmp    $0xffffff6a,%r13d
  jne    L71
  mov    0xc(%rsp),%eax
  lea    0x1(%rax),%r15d
  mov    %r15,%rax
  imul   $0x51eb851f,%r15,%r15
  shr    $0x25,%r15
  imul   $0x64,%r15d,%edx
  sub    %edx,%eax
  mov    %eax,0xc(%rsp)
  jmp    L25
```

tool_calls: name: extract_symbolic_data
arguments: label: D15
type_guessed: string
name: extract_symbolic_data
arguments: label: D6
type_guessed: string

tool: D15: VESA Video Driver Demo


tool: D6: Hello,World!


assistant: ```c
void main() {
  int anim = 0;
  printString("VESA Video Driver Demo\n");
  printString("Hello,World!\n");
  while (1) {
    while ((inportb(0x3DA) & 0x08))
      ;
    while (!(inportb(0x3DA) & 0x08))
      ;
    for (int x = 300; x < 600; x++)
      for (int y = 300; y < 600; y++) {
        if ((450 - x) * (450 - x) + (450 - y) * (450 - y) < anim * anim)
          SlowEffect(1024 * y + x, 0x2281337);
        else
          SlowEffect(1024 * y + x, 0x0);
      }
    anim++;
    anim %= 100;
  }
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<unlock_file>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x450,%rsp
  mov    %rdi,-0x448(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movq   $0x0,-0x410(%rbp)
  movq   $0x0,-0x408(%rbp)
  lea    -0x400(%rbp),%rdx
  mov    $0x0,%eax
  mov    $0x7e,%ecx
  mov    %rdx,%rdi
  rep stos %rax,%es:(%rdi)
  mov    -0x448(%rbp),%rcx
  lea    -0x410(%rbp),%rax
  mov    $0x3ff,%edx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strncpy@plt>
  mov    D31(%rip),%rax
  mov    (%rax),%edx
  mov    D34(%rip),%rax
  mov    (%rax),%eax
  or     %eax,%edx
  mov    D29(%rip),%rax
  mov    (%rax),%ecx
  mov    D9(%rip),%rax
  mov    (%rax),%eax
  or     %eax,%ecx
  lea    -0x410(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <open@plt>
  mov    %eax,-0x434(%rbp)
  cmpl   $0xffffffff,-0x434(%rbp)
  je     L49
  mov    D23(%rip),%rax
  mov    (%rax),%eax
  mov    %eax,-0x41c(%rbp)
  mov    D36(%rip),%rax
  mov    (%rax),%eax
  mov    %eax,-0x420(%rbp)
  movq   $0x0,-0x428(%rbp)
  movq   $0x0,-0x430(%rbp)
  mov    D6(%rip),%rax
  mov    (%rax),%ecx
  lea    -0x430(%rbp),%rdx
  mov    -0x434(%rbp),%eax
  mov    %ecx,%esi
  mov    %eax,%edi
  call   <fcntl@plt>
  cmp    $0xffffffff,%eax
  je     L27
  mov    $0x0,%eax
  jmp    L28
L27:
  nop
  mov    -0x434(%rbp),%eax
  mov    %eax,%edi
  call   <close@plt>
  jmp    L31
L49:
  nop
L31:
  mov    $0xffffffff,%eax
L28:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L13
  call   <__stack_chk_fail@plt>
L13:
  leave
  ret
```

assistant: ```c
int unlock_file(char *pathname) {
  int fd;
  struct flock lock;
  char filename[1024] = {0};
  strncpy(filename, pathname, sizeof(filename) - 1);
  if ((fd = open(filename, O_RDWR | O_EXCL, S_IRUSR | S_IWUSR)) == -1) {
    goto out;
  }
  lock.l_type = F_UNLCK;
  lock.l_whence = SEEK_SET;
  lock.l_start = 0;
  lock.l_len = 0;
  if (fcntl(fd, F_SETLKW, &lock) == -1) {
    goto err;
  }
  return 0;
err:
  close(fd);
out:
  return -1;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<unlock_file>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x438,%rsp
  mov    %rdi,%rsi
  mov    %fs:0x28,%rax
  mov    %rax,0x428(%rsp)
  xor    %eax,%eax
  movq   $0x0,0x20(%rsp)
  movq   $0x0,0x28(%rsp)
  lea    0x30(%rsp),%rdi
  mov    $0x7e,%ecx
  rep stos %rax,%es:(%rdi)
  lea    0x20(%rsp),%rbx
  mov    $0x3ff,%edx
  mov    %rbx,%rdi
  call   <strncpy@plt>
  mov    D1(%rip),%rax
  mov    (%rax),%edx
  mov    D19(%rip),%rax
  or     (%rax),%edx
  mov    D45(%rip),%rax
  mov    (%rax),%esi
  mov    D58(%rip),%rax
  or     (%rax),%esi
  mov    %rbx,%rdi
  call   <open@plt>
  mov    %eax,%ebx
  cmp    $0xffffffff,%eax
  je     L24
  mov    D21(%rip),%rax
  mov    (%rax),%eax
  mov    %eax,0x14(%rsp)
  mov    D2(%rip),%rax
  mov    (%rax),%eax
  mov    %eax,0x10(%rsp)
  movq   $0x0,0x8(%rsp)
  movq   $0x0,(%rsp)
  mov    %rsp,%rdx
  mov    D20(%rip),%rax
  mov    (%rax),%esi
  mov    %ebx,%edi
  call   <fcntl@plt>
  mov    %eax,%ebp
  cmp    $0xffffffff,%eax
  je     L3
  mov    $0x0,%ebx
L24:
  mov    0x428(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L12
  mov    %ebx,%eax
  add    $0x438,%rsp
  pop    %rbx
  pop    %rbp
  ret
L3:
  mov    %ebx,%edi
  call   <close@plt>
  mov    %ebp,%ebx
  jmp    L24
L12:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int unlock_file(char *pathname) {
  int fd;
  struct flock lock;
  char filename[1024] = {0};
  strncpy(filename, pathname, sizeof(filename) - 1);
  if ((fd = open(filename, O_RDWR | O_EXCL, S_IRUSR | S_IWUSR)) == -1) {
    goto out;
  }
  lock.l_type = F_UNLCK;
  lock.l_whence = SEEK_SET;
  lock.l_start = 0;
  lock.l_len = 0;
  if (fcntl(fd, F_SETLKW, &lock) == -1) {
    goto err;
  }
  return 0;
err:
  close(fd);
out:
  return -1;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<unlock_file>:
  endbr64
  push   %r12
  mov    %rdi,%rsi
  mov    $0x7e,%ecx
  pxor   %xmm0,%xmm0
  mov    $0x3ff,%edx
  sub    $0x430,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x428(%rsp)
  xor    %eax,%eax
  lea    0x20(%rsp),%r12
  lea    0x30(%rsp),%rdi
  movaps %xmm0,0x20(%rsp)
  rep stos %rax,%es:(%rdi)
  mov    %r12,%rdi
  call   <strncpy@plt>
  mov    D53(%rip),%rax
  mov    %r12,%rdi
  mov    (%rax),%edx
  mov    D6(%rip),%rax
  or     (%rax),%edx
  mov    D35(%rip),%rax
  mov    (%rax),%esi
  mov    D68(%rip),%rax
  or     (%rax),%esi
  call   <open@plt>
  mov    %eax,%r12d
  cmp    $0xffffffff,%eax
  je     L6
  mov    D36(%rip),%rax
  mov    %rsp,%rdx
  mov    %r12d,%edi
  movq   $0x0,0x8(%rsp)
  movq   $0x0,(%rsp)
  mov    (%rax),%eax
  mov    %eax,0x14(%rsp)
  mov    D34(%rip),%rax
  mov    (%rax),%eax
  mov    %eax,0x10(%rsp)
  mov    D33(%rip),%rax
  mov    (%rax),%esi
  call   <fcntl@plt>
  cmp    $0xffffffff,%eax
  je     L7
  xor    %r12d,%r12d
L6:
  mov    0x428(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L9
  add    $0x430,%rsp
  mov    %r12d,%eax
  pop    %r12
  ret
L7:
  mov    %r12d,%edi
  mov    $0xffffffff,%r12d
  call   <close@plt>
  jmp    L6
L9:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int unlock_file(char *pathname) {
  int fd;
  struct flock lock;
  char filename[1024] = {0};
  strncpy(filename, pathname, sizeof(filename) - 1);
  if ((fd = open(filename, O_RDWR | O_EXCL, S_IRUSR | S_IWUSR)) == -1) {
    goto out;
  }
  lock.l_type = F_UNLCK;
  lock.l_whence = SEEK_SET;
  lock.l_start = 0;
  lock.l_len = 0;
  if (fcntl(fd, F_SETLKW, &lock) == -1) {
    goto err;
  }
  return 0;
err:
  close(fd);
out:
  return -1;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<unlock_file>:
  endbr64
  push   %r12
  mov    %rdi,%rsi
  mov    $0x7e,%ecx
  pxor   %xmm0,%xmm0
  mov    $0x3ff,%edx
  sub    $0x430,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x428(%rsp)
  xor    %eax,%eax
  lea    0x20(%rsp),%r12
  lea    0x30(%rsp),%rdi
  movaps %xmm0,0x20(%rsp)
  rep stos %rax,%es:(%rdi)
  mov    %r12,%rdi
  call   <strncpy@plt>
  mov    D18(%rip),%rax
  mov    %r12,%rdi
  mov    (%rax),%edx
  mov    D43(%rip),%rax
  or     (%rax),%edx
  mov    D1(%rip),%rax
  mov    (%rax),%esi
  mov    D24(%rip),%rax
  or     (%rax),%esi
  call   <open@plt>
  mov    %eax,%r12d
  cmp    $0xffffffff,%eax
  je     L7
  mov    D33(%rip),%rax
  mov    D28(%rip),%rdx
  mov    %r12d,%edi
  mov    (%rax),%eax
  movd   (%rdx),%xmm0
  mov    %rsp,%rdx
  movd   %eax,%xmm1
  mov    D41(%rip),%rax
  punpckldq %xmm1,%xmm0
  mov    (%rax),%esi
  movq   %xmm0,0x10(%rsp)
  pxor   %xmm0,%xmm0
  movaps %xmm0,(%rsp)
  call   <fcntl@plt>
  cmp    $0xffffffff,%eax
  je     L8
  xor    %r12d,%r12d
L7:
  mov    0x428(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L1
  add    $0x430,%rsp
  mov    %r12d,%eax
  pop    %r12
  ret
L8:
  mov    %r12d,%edi
  mov    $0xffffffff,%r12d
  call   <close@plt>
  jmp    L7
L1:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int unlock_file(char *pathname) {
  int fd;
  struct flock lock;
  char filename[1024] = {0};
  strncpy(filename, pathname, sizeof(filename) - 1);
  if ((fd = open(filename, O_RDWR | O_EXCL, S_IRUSR | S_IWUSR)) == -1) {
    goto out;
  }
  lock.l_type = F_UNLCK;
  lock.l_whence = SEEK_SET;
  lock.l_start = 0;
  lock.l_len = 0;
  if (fcntl(fd, F_SETLKW, &lock) == -1) {
    goto err;
  }
  return 0;
err:
  close(fd);
out:
  return -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
<render>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r12
  push   %rbx
  movl   $0x0,D88(%rip)
  jmp    L15
L16:
  movl   $0x0,D30(%rip)
  jmp    L27
L35:
  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,%r12d
  mov    %r12d,%edx
  shl    $0x8,%edx
  sub    %r12d,%edx
  sub    %edx,%eax
  mov    %eax,%r12d
  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
  mov    %edx,%ebx
  sub    %ecx,%ebx
  mov    %ebx,%edx
  shl    $0x8,%edx
  sub    %ebx,%edx
  sub    %edx,%eax
  mov    %eax,%ebx
  mov    $0x0,%eax
  call   <rand@plt>
  mov    %eax,%edx
  movslq %edx,%rax
  imul   $0xffffffff80808081,%rax,%rax
  shr    $0x20,%rax
  add    %edx,%eax
  sar    $0x7,%eax
  mov    %edx,%ecx
  sar    $0x1f,%ecx
  sub    %ecx,%eax
  mov    %eax,%ecx
  shl    $0x8,%ecx
  sub    %eax,%ecx
  mov    %edx,%eax
  sub    %ecx,%eax
  mov    %r12d,%edx
  mov    %ebx,%esi
  mov    %eax,%edi
  call   <map_rgb@plt>
  mov    %eax,%edx
  mov    D30(%rip),%ecx
  mov    D88(%rip),%eax
  mov    %ecx,%esi
  mov    %eax,%edi
  call   <set_pixel@plt>
  mov    D30(%rip),%eax
  add    $0x1,%eax
  mov    %eax,D34(%rip)
L27:
  mov    D34(%rip),%eax
  cmp    $0x10f,%eax
  jle    L35
  mov    D88(%rip),%eax
  add    $0x1,%eax
  mov    %eax,D34(%rip)
L15:
  mov    D34(%rip),%eax
  cmp    $0x1df,%eax
  jle    L16
  nop
  nop
  pop    %rbx
  pop    %r12
  pop    %rbp
  ret
```

assistant: ```c
void render() {
  static int i, z;
  for (i = 0; i < 480; i++)
    for (z = 0; z < 272; z++)
      set_pixel(i, z, map_rgb(rand() % 255, rand() % 255, rand() % 255));
}
```