ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<vec3_RotateZ>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  movss  %xmm0,-0x34(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  pxor   %xmm1,%xmm1
  cvtss2sd -0x34(%rbp),%xmm1
  movsd  D8(%rip),%xmm0
  mulsd  %xmm1,%xmm0
  cvtsd2ss %xmm0,%xmm0
  movss  %xmm0,-0x34(%rbp)
  mov    -0x34(%rbp),%eax
  movd   %eax,%xmm0
  call   <sinf@plt>
  movd   %xmm0,%eax
  mov    %eax,-0x18(%rbp)
  mov    -0x34(%rbp),%eax
  movd   %eax,%xmm0
  call   <cosf@plt>
  movd   %xmm0,%eax
  mov    %eax,-0x14(%rbp)
  mov    -0x28(%rbp),%rax
  lea    0x8(%rax),%rdx
  mov    -0x30(%rbp),%rax
  movss  0x8(%rax),%xmm0
  movss  %xmm0,(%rdx)
  mov    -0x30(%rbp),%rax
  movss  (%rax),%xmm0
  mulss  -0x14(%rbp),%xmm0
  mov    -0x30(%rbp),%rax
  add    $0x4,%rax
  movss  (%rax),%xmm1
  mulss  -0x18(%rbp),%xmm1
  subss  %xmm1,%xmm0
  movss  %xmm0,-0x10(%rbp)
  mov    -0x30(%rbp),%rax
  movss  (%rax),%xmm0
  movaps %xmm0,%xmm1
  mulss  -0x18(%rbp),%xmm1
  mov    -0x30(%rbp),%rax
  add    $0x4,%rax
  movss  (%rax),%xmm0
  mulss  -0x14(%rbp),%xmm0
  addss  %xmm1,%xmm0
  movss  %xmm0,-0xc(%rbp)
  movss  -0x10(%rbp),%xmm0
  mov    -0x28(%rbp),%rax
  movss  %xmm0,(%rax)
  mov    -0x28(%rbp),%rax
  add    $0x4,%rax
  movss  -0xc(%rbp),%xmm0
  movss  %xmm0,(%rax)
  nop
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L5
  call   <__stack_chk_fail@plt>
L5:
  leave
  ret
```

tool_calls: name: extract_symbolic_data
arguments: label: D8
type_guessed: byte[8]

tool: {"D8": [0x39,0x9d,0x52,0xa2,0x46,0xdf,0x91,0x3f]}

assistant: ```c
void vec3_RotateZ(float res[3], float src[3], float ang) {
  float t[2], sint, cost;
  ang *= 3.14159265358979323846 / 180.0;
  sint = sinf(ang);
  cost = cosf(ang);
  res[2] = src[2];
  t[0] = src[0] * cost - src[1] * sint;
  t[1] = src[0] * sint + src[1] * cost;
  res[0] = t[0];
  res[1] = t[1];
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<vec3_RotateZ>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %rdi,%rbx
  mov    %rsi,%rbp
  cvtss2sd %xmm0,%xmm0
  mulsd  D3(%rip),%xmm0
  lea    0xc(%rsp),%rdi
  lea    0x8(%rsp),%rsi
  cvtsd2ss %xmm0,%xmm0
  call   <sincosf@plt>
  movss  0x8(%rsp),%xmm3
  movss  0xc(%rsp),%xmm4
  movss  0x8(%rbp),%xmm0
  movss  %xmm0,0x8(%rbx)
  movss  0x0(%rbp),%xmm0
  movss  0x4(%rbp),%xmm1
  movaps %xmm0,%xmm2
  mulss  %xmm3,%xmm2
  movaps %xmm1,%xmm5
  mulss  %xmm4,%xmm5
  subss  %xmm5,%xmm2
  movss  %xmm2,(%rbx)
  mulss  %xmm4,%xmm0
  mulss  %xmm3,%xmm1
  addss  %xmm1,%xmm0
  movss  %xmm0,0x4(%rbx)
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

tool_calls: name: read_data
arguments: label: D3
datatype: byte[8]

tool: {"D3": [0x39,0x9d,0x52,0xa2,0x46,0xdf,0x91,0x3f]}

assistant: ```c
void vec3_RotateZ(float res[3], float src[3], float ang) {
  float t[2], sint, cost;
  ang *= 3.14159265358979323846 / 180.0;
  sint = sinf(ang);
  cost = cosf(ang);
  res[2] = src[2];
  t[0] = src[0] * cost - src[1] * sint;
  t[1] = src[0] * sint + src[1] * cost;
  res[0] = t[0];
  res[1] = t[1];
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<vec3_RotateZ>:
  endbr64
  push   %rbp
  cvtss2sd %xmm0,%xmm0
  mov    %rsi,%rbp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x18,%rsp
  mulsd  D9(%rip),%xmm0
  lea    0xc(%rsp),%rdi
  lea    0x8(%rsp),%rsi
  cvtsd2ss %xmm0,%xmm0
  call   <sincosf@plt>
  movss  0x8(%rbp),%xmm0
  movss  0x8(%rsp),%xmm3
  movss  0xc(%rsp),%xmm4
  movss  %xmm0,0x8(%rbx)
  movss  0x0(%rbp),%xmm0
  movss  0x4(%rbp),%xmm1
  movaps %xmm0,%xmm2
  movaps %xmm1,%xmm5
  mulss  %xmm3,%xmm2
  mulss  %xmm4,%xmm5
  mulss  %xmm4,%xmm0
  mulss  %xmm3,%xmm1
  subss  %xmm5,%xmm2
  addss  %xmm1,%xmm0
  movss  %xmm2,(%rbx)
  movss  %xmm0,0x4(%rbx)
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

tool_calls: name: read_data
arguments: data_label: D9
type_infered: byte[8]

tool: {"D9": [0x39,0x9d,0x52,0xa2,0x46,0xdf,0x91,0x3f]}

assistant: ```c
void vec3_RotateZ(float res[3], float src[3], float ang) {
  float t[2], sint, cost;
  ang *= 3.14159265358979323846 / 180.0;
  sint = sinf(ang);
  cost = cosf(ang);
  res[2] = src[2];
  t[0] = src[0] * cost - src[1] * sint;
  t[1] = src[0] * sint + src[1] * cost;
  res[0] = t[0];
  res[1] = t[1];
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<vec3_RotateZ>:
  endbr64
  push   %rbp
  cvtss2sd %xmm0,%xmm0
  mov    %rsi,%rbp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x18,%rsp
  mulsd  D4(%rip),%xmm0
  lea    0xc(%rsp),%rdi
  lea    0x8(%rsp),%rsi
  cvtsd2ss %xmm0,%xmm0
  call   <sincosf@plt>
  movss  0x8(%rbp),%xmm0
  movss  0x8(%rsp),%xmm3
  movss  0xc(%rsp),%xmm2
  movss  %xmm0,0x8(%rbx)
  movq   0x0(%rbp),%xmm1
  movaps %xmm3,%xmm4
  unpcklps %xmm2,%xmm4
  unpcklps %xmm3,%xmm2
  movaps %xmm1,%xmm0
  shufps $0xe5,%xmm1,%xmm1
  shufps $0xe0,%xmm0,%xmm0
  mulps  %xmm4,%xmm0
  mulps  %xmm2,%xmm1
  movaps %xmm0,%xmm2
  subps  %xmm1,%xmm2
  addps  %xmm1,%xmm0
  movss  %xmm2,%xmm0
  movlps %xmm0,(%rbx)
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

tool_calls: name: extract_symbolic_data
arguments: label: D4
type_guessed: byte[8]

tool: {"D4": [0x39,0x9d,0x52,0xa2,0x46,0xdf,0x91,0x3f]}

assistant: ```c
void vec3_RotateZ(float res[3], float src[3], float ang) {
  float t[2], sint, cost;
  ang *= 3.14159265358979323846 / 180.0;
  sint = sinf(ang);
  cost = cosf(ang);
  res[2] = src[2];
  t[0] = src[0] * cost - src[1] * sint;
  t[1] = src[0] * sint + src[1] * cost;
  res[0] = t[0];
  res[1] = t[1];
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<xcalloc>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    -0x20(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <calloc@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  jne    L5
  mov    $0x0,%eax
  call   <abort@plt>
L5:
  mov    -0x8(%rbp),%rax
  leave
  ret
```

assistant: ```c
void *xcalloc(size_t n, size_t m) {
  void *v;
  v = calloc(n, m);
  if (!v)
    abort();
  return v;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<xcalloc>:
  endbr64
  push   %rbx
  call   <calloc@plt>
  mov    %rax,%rbx
  test   %rax,%rax
  je     L0
L11:
  mov    %rbx,%rax
  pop    %rbx
  ret
L0:
  mov    $0x0,%eax
  call   <abort@plt>
  jmp    L11
```

assistant: ```c
void *xcalloc(size_t n, size_t m) {
  void *v;
  v = calloc(n, m);
  if (!v)
    abort();
  return v;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<xcalloc>:
  endbr64
  push   %r12
  call   <calloc@plt>
  mov    %rax,%r12
  test   %rax,%rax
  je     L15
L5:
  mov    %r12,%rax
  pop    %r12
  ret
L15:
  xor    %eax,%eax
  call   <abort@plt>
  jmp    L5
```

assistant: ```c
void *xcalloc(size_t n, size_t m) {
  void *v;
  v = calloc(n, m);
  if (!v)
    abort();
  return v;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<xcalloc>:
  endbr64
  push   %r12
  call   <calloc@plt>
  mov    %rax,%r12
  test   %rax,%rax
  je     L11
L8:
  mov    %r12,%rax
  pop    %r12
  ret
L11:
  xor    %eax,%eax
  call   <abort@plt>
  jmp    L8
```

assistant: ```c
void *xcalloc(size_t n, size_t m) {
  void *v;
  v = calloc(n, m);
  if (!v)
    abort();
  return v;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<init_array>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  movl   $0x0,-0x4(%rbp)
  movl   $0x8,-0x4(%rbp)
  movl   $0x0,-0x8(%rbp)
  jmp    L18
L14:
  mov    -0x8(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  addl   $0x1,-0x8(%rbp)
L18:
  mov    -0x8(%rbp),%eax
  cmp    -0x4(%rbp),%eax
  jl     L14
  nop
  nop
  pop    %rbp
  ret
```

assistant: ```c
void init_array(char *array) {
  int i, s = 0;
  s = sizeof(array);
  for (i = 0; i < s; i++)
    array[i] = '\0';
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<init_array>:
  endbr64
  lea    0x8(%rdi),%rax
L6:
  movb   $0x0,(%rdi)
  add    $0x1,%rdi
  cmp    %rax,%rdi
  jne    L6
  ret
```

assistant: ```c
void init_array(char *array) {
  int i, s = 0;
  s = sizeof(array);
  for (i = 0; i < s; i++)
    array[i] = '\0';
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<init_array>:
  endbr64
  movq   $0x0,(%rdi)
  ret
```

assistant: ```c
void init_array(char *array) {
  int i, s = 0;
  s = sizeof(array);
  for (i = 0; i < s; i++)
    array[i] = '\0';
}
```
user: Translate the below assembly code into C programming language:

```asm
<init_array>:
  endbr64
  movq   $0x0,(%rdi)
  ret
```

assistant: ```c
void init_array(char *array) {
  int i, s = 0;
  s = sizeof(array);
  for (i = 0; i < s; i++)
    array[i] = '\0';
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<usage>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  lea    D7(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  lea    D6(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  lea    D35(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  lea    D19(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  lea    D49(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  lea    D69(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  lea    D53(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  nop
  pop    %rbp
  ret
```

tool_calls: name: retrieve_data
arguments: label: D7
datatype: string
name: retrieve_data
arguments: label: D6
datatype: string
name: retrieve_data
arguments: label: D35
datatype: string
name: retrieve_data
arguments: label: D19
datatype: string
name: retrieve_data
arguments: label: D49
datatype: string
name: retrieve_data
arguments: label: D69
datatype: string
name: retrieve_data
arguments: label: D53
datatype: string

tool: D7: Usage: xen_detect [options]


tool: D6: Options:


tool: D35:   -h, --help    Display this information


tool: D19:   -q, --quiet   Quiesce normal informational output


tool: D49:   -P, --pv      Exit status 1 if not running as PV guest


tool: D69:   -H, --hvm     Exit status 1 if not running as HVM guest.


tool: D53:   -N, --none    Exit status 1 if running on Xen (PV or HVM)


assistant: ```c
void usage(void) {
  printf("Usage: xen_detect [options]\n");
  printf("Options:\n");
  printf("  -h, --help    Display this information\n");
  printf("  -q, --quiet   Quiesce normal informational output\n");
  printf("  -P, --pv      Exit status 1 if not running as PV guest\n");
  printf("  -H, --hvm     Exit status 1 if not running as HVM guest.\n");
  printf("  -N, --none    Exit status 1 if running on Xen (PV or HVM)\n");
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<usage>:
  endbr64
  sub    $0x8,%rsp
  lea    D24(%rip),%rdi
  call   <printf@plt>
  lea    D33(%rip),%rdi
  call   <printf@plt>
  lea    D30(%rip),%rdi
  call   <printf@plt>
  lea    D26(%rip),%rdi
  call   <printf@plt>
  lea    D55(%rip),%rdi
  call   <printf@plt>
  lea    D42(%rip),%rdi
  call   <printf@plt>
  lea    D51(%rip),%rdi
  call   <printf@plt>
  add    $0x8,%rsp
  ret
```

tool_calls: name: retrieve_data
arguments: data_label: D24
data_type: string
name: retrieve_data
arguments: data_label: D33
data_type: string
name: retrieve_data
arguments: data_label: D30
data_type: string
name: retrieve_data
arguments: data_label: D26
data_type: string
name: retrieve_data
arguments: data_label: D55
data_type: string
name: retrieve_data
arguments: data_label: D42
data_type: string
name: retrieve_data
arguments: data_label: D51
data_type: string

tool: D24: Usage: xen_detect [options]


tool: D33: Options:


tool: D30:   -h, --help    Display this information


tool: D26:   -q, --quiet   Quiesce normal informational output


tool: D55:   -P, --pv      Exit status 1 if not running as PV guest


tool: D42:   -H, --hvm     Exit status 1 if not running as HVM guest.


tool: D51:   -N, --none    Exit status 1 if running on Xen (PV or HVM)


assistant: ```c
void usage(void) {
  printf("Usage: xen_detect [options]\n");
  printf("Options:\n");
  printf("  -h, --help    Display this information\n");
  printf("  -q, --quiet   Quiesce normal informational output\n");
  printf("  -P, --pv      Exit status 1 if not running as PV guest\n");
  printf("  -H, --hvm     Exit status 1 if not running as HVM guest.\n");
  printf("  -N, --none    Exit status 1 if running on Xen (PV or HVM)\n");
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<usage>:
  endbr64
  sub    $0x8,%rsp
  lea    D15(%rip),%rdi
  call   <printf@plt>
  lea    D33(%rip),%rdi
  call   <printf@plt>
  lea    D51(%rip),%rdi
  call   <printf@plt>
  lea    D8(%rip),%rdi
  call   <printf@plt>
  lea    D62(%rip),%rdi
  call   <printf@plt>
  lea    D45(%rip),%rdi
  call   <printf@plt>
  lea    D36(%rip),%rdi
  add    $0x8,%rsp
  jmp    1050 <printf@plt>
```

tool_calls: name: unpack_data
arguments: label: D15
type: string
name: unpack_data
arguments: label: D33
type: string
name: unpack_data
arguments: label: D51
type: string
name: unpack_data
arguments: label: D8
type: string
name: unpack_data
arguments: label: D62
type: string
name: unpack_data
arguments: label: D45
type: string
name: unpack_data
arguments: label: D36
type: string

tool: D15: Usage: xen_detect [options]


tool: D33: Options:


tool: D51:   -h, --help    Display this information


tool: D8:   -q, --quiet   Quiesce normal informational output


tool: D62:   -P, --pv      Exit status 1 if not running as PV guest


tool: D45:   -H, --hvm     Exit status 1 if not running as HVM guest.


tool: D36:   -N, --none    Exit status 1 if running on Xen (PV or HVM)


assistant: ```c
void usage(void) {
  printf("Usage: xen_detect [options]\n");
  printf("Options:\n");
  printf("  -h, --help    Display this information\n");
  printf("  -q, --quiet   Quiesce normal informational output\n");
  printf("  -P, --pv      Exit status 1 if not running as PV guest\n");
  printf("  -H, --hvm     Exit status 1 if not running as HVM guest.\n");
  printf("  -N, --none    Exit status 1 if running on Xen (PV or HVM)\n");
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<usage>:
  endbr64
  sub    $0x8,%rsp
  lea    D50(%rip),%rdi
  call   <printf@plt>
  lea    D28(%rip),%rdi
  call   <printf@plt>
  lea    D31(%rip),%rdi
  call   <printf@plt>
  lea    D15(%rip),%rdi
  call   <printf@plt>
  lea    D8(%rip),%rdi
  call   <printf@plt>
  lea    D66(%rip),%rdi
  call   <printf@plt>
  lea    D19(%rip),%rdi
  add    $0x8,%rsp
  jmp    1050 <printf@plt>
```

tool_calls: name: retrieve_data
arguments: data_tag: D50
type: string
name: retrieve_data
arguments: data_tag: D28
type: string
name: retrieve_data
arguments: data_tag: D31
type: string
name: retrieve_data
arguments: data_tag: D15
type: string
name: retrieve_data
arguments: data_tag: D8
type: string
name: retrieve_data
arguments: data_tag: D66
type: string
name: retrieve_data
arguments: data_tag: D19
type: string

tool: D50: Usage: xen_detect [options]


tool: D28: Options:


tool: D31:   -h, --help    Display this information


tool: D15:   -q, --quiet   Quiesce normal informational output


tool: D8:   -P, --pv      Exit status 1 if not running as PV guest


tool: D66:   -H, --hvm     Exit status 1 if not running as HVM guest.


tool: D19:   -N, --none    Exit status 1 if running on Xen (PV or HVM)


assistant: ```c
void usage(void) {
  printf("Usage: xen_detect [options]\n");
  printf("Options:\n");
  printf("  -h, --help    Display this information\n");
  printf("  -q, --quiet   Quiesce normal informational output\n");
  printf("  -P, --pv      Exit status 1 if not running as PV guest\n");
  printf("  -H, --hvm     Exit status 1 if not running as HVM guest.\n");
  printf("  -N, --none    Exit status 1 if running on Xen (PV or HVM)\n");
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<skipWhite>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x8(%rbp)
  jmp    L12
L15:
  addq   $0x1,-0x8(%rbp)
L12:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x20,%al
  je     L15
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x9,%al
  je     L15
  mov    -0x8(%rbp),%rax
  pop    %rbp
  ret
```

assistant: ```c
char *skipWhite(char *start) {
  while (*start == ' ' || *start == '\t')
    start++;
  return start;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<skipWhite>:
  endbr64
  mov    %rdi,%rax
  movzbl (%rdi),%edx
  cmp    $0x20,%dl
  je     L26
  cmp    $0x9,%dl
  jne    L29
L26:
  add    $0x1,%rax
  movzbl (%rax),%edx
  cmp    $0x20,%dl
  je     L26
  cmp    $0x9,%dl
  je     L26
L29:
  ret
```

assistant: ```c
char *skipWhite(char *start) {
  while (*start == ' ' || *start == '\t')
    start++;
  return start;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<skipWhite>:
  endbr64
  movzbl (%rdi),%edx
  mov    %rdi,%rax
  cmp    $0x20,%dl
  jne    L13
  nop
L12:
  movzbl 0x1(%rax),%edx
  add    $0x1,%rax
  cmp    $0x20,%dl
  je     L12
L13:
  cmp    $0x9,%dl
  je     L12
  ret
```

assistant: ```c
char *skipWhite(char *start) {
  while (*start == ' ' || *start == '\t')
    start++;
  return start;
}
```
user: What is the c source code of the assembly code below:

```asm
<skipWhite>:
  endbr64
  movzbl (%rdi),%edx
  mov    %rdi,%rax
  cmp    $0x20,%dl
  jne    L6
  nop
L21:
  movzbl 0x1(%rax),%edx
  add    $0x1,%rax
  cmp    $0x20,%dl
  je     L21
L6:
  cmp    $0x9,%dl
  je     L21
  ret
```

assistant: ```c
char *skipWhite(char *start) {
  while (*start == ' ' || *start == '\t')
    start++;
  return start;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<calculate_crc32>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x38(%rbp)
  mov    %esi,-0x3c(%rbp)
  movl   $0x8,-0x18(%rbp)
  movl   $0x0,-0x14(%rbp)
  movl   $0x4c11db7,-0x10(%rbp)
  movl   $0xffffffff,-0x28(%rbp)
  movl   $0xffffffff,-0xc(%rbp)
  movl   $0x0,-0x8(%rbp)
  movl   $0x0,-0x24(%rbp)
  jmp    L0
L3:
  mov    -0x24(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  mov    %eax,-0x20(%rbp)
  mov    -0x20(%rbp),%eax
  mov    $0x8,%esi
  mov    %eax,%edi
  call   <reflect@plt>
  mov    %eax,-0x20(%rbp)
  movl   $0x0,-0x1c(%rbp)
  jmp    L6
L13:
  mov    -0x18(%rbp),%eax
  sub    $0x1,%eax
  mov    -0x20(%rbp),%edx
  mov    %eax,%ecx
  sar    %cl,%edx
  mov    %edx,%eax
  mov    %eax,-0x14(%rbp)
  andl   $0x1,-0x14(%rbp)
  mov    -0x28(%rbp),%eax
  shr    $0x1f,%eax
  mov    %eax,-0x8(%rbp)
  shll   -0x28(%rbp)
  mov    -0x8(%rbp),%eax
  cmp    -0x14(%rbp),%eax
  je     L32
  mov    -0x10(%rbp),%eax
  xor    %eax,-0x28(%rbp)
L32:
  mov    -0xc(%rbp),%eax
  and    %eax,-0x28(%rbp)
  shll   -0x20(%rbp)
  addl   $0x1,-0x1c(%rbp)
L6:
  mov    -0x1c(%rbp),%eax
  cmp    -0x18(%rbp),%eax
  jl     L13
  addl   $0x1,-0x24(%rbp)
L0:
  mov    -0x24(%rbp),%eax
  cmp    -0x3c(%rbp),%eax
  jl     L3
  mov    -0xc(%rbp),%eax
  and    %eax,-0x28(%rbp)
  mov    -0x28(%rbp),%eax
  mov    $0x20,%esi
  mov    %eax,%edi
  call   <reflect@plt>
  not    %eax
  mov    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  leave
  ret
```

assistant: ```c
unsigned int calculate_crc32(unsigned char *buffer, int len) {
  int byte_length = 8;
  int msb = 0;
  int polynomial = 0x04C11DB7;
  unsigned int regs = 0xFFFFFFFF;
  int regs_mask = 0xFFFFFFFF;
  int regs_msb = 0;
  unsigned int reflected_regs;
  for (int i = 0; i < len; i++) {
    int data_byte = buffer[i];
    data_byte = reflect(data_byte, 8);
    for (int j = 0; j < byte_length; j++) {
      msb = data_byte >> (byte_length - 1);
      msb &= 1;
      regs_msb = (regs >> 31) & 1;
      regs = regs << 1;
      if (regs_msb ^ msb) {
        regs = regs ^ polynomial;
      }
      regs = regs & regs_mask;
      data_byte <<= 1;
    }
  }
  regs = regs & regs_mask;
  reflected_regs = reflect(regs, 32) ^ 0xFFFFFFFF;
  return reflected_regs;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<calculate_crc32>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  test   %esi,%esi
  jle    L35
  mov    %rdi,%rbp
  lea    -0x1(%rsi),%eax
  lea    0x1(%rdi,%rax,1),%r12
  mov    $0xffffffff,%ebx
  jmp    L40
L10:
  add    $0x1,%rbp
  cmp    %r12,%rbp
  je     L23
L40:
  movzbl 0x0(%rbp),%edi
  mov    $0x8,%esi
  call   <reflect@plt>
  mov    $0x8,%ecx
L21:
  mov    %eax,%edx
  sar    $0x7,%edx
  mov    %ebx,%edi
  shr    $0x1f,%edi
  add    %ebx,%ebx
  and    $0x1,%edx
  mov    %ebx,%esi
  xor    $0x4c11db7,%esi
  cmp    %edi,%edx
  cmovne %esi,%ebx
  add    %eax,%eax
  sub    $0x1,%ecx
  jne    L21
  jmp    L10
L35:
  mov    $0xffffffff,%ebx
L23:
  mov    $0x20,%esi
  mov    %ebx,%edi
  call   <reflect@plt>
  not    %eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
unsigned int calculate_crc32(unsigned char *buffer, int len) {
  int byte_length = 8;
  int msb = 0;
  int polynomial = 0x04C11DB7;
  unsigned int regs = 0xFFFFFFFF;
  int regs_mask = 0xFFFFFFFF;
  int regs_msb = 0;
  unsigned int reflected_regs;
  for (int i = 0; i < len; i++) {
    int data_byte = buffer[i];
    data_byte = reflect(data_byte, 8);
    for (int j = 0; j < byte_length; j++) {
      msb = data_byte >> (byte_length - 1);
      msb &= 1;
      regs_msb = (regs >> 31) & 1;
      regs = regs << 1;
      if (regs_msb ^ msb) {
        regs = regs ^ polynomial;
      }
      regs = regs & regs_mask;
      data_byte <<= 1;
    }
  }
  regs = regs & regs_mask;
  reflected_regs = reflect(regs, 32) ^ 0xFFFFFFFF;
  return reflected_regs;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<calculate_crc32>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  test   %esi,%esi
  jle    L5
  lea    -0x1(%rsi),%eax
  mov    %rdi,%r12
  mov    $0xffffffff,%ebp
  lea    0x1(%rdi,%rax,1),%rbx
  nopl   0x0(%rax)
L1:
  movzbl (%r12),%edi
  mov    $0x8,%esi
  call   <reflect@plt>
  mov    $0x8,%ecx
  nopl   0x0(%rax)
L11:
  mov    %eax,%edx
  mov    %ebp,%edi
  add    %ebp,%ebp
  sar    $0x7,%edx
  mov    %ebp,%esi
  shr    $0x1f,%edi
  and    $0x1,%edx
  xor    $0x4c11db7,%esi
  cmp    %edi,%edx
  cmovne %esi,%ebp
  add    %eax,%eax
  sub    $0x1,%ecx
  jne    L11
  add    $0x1,%r12
  cmp    %rbx,%r12
  jne    L1
L8:
  mov    %ebp,%edi
  mov    $0x20,%esi
  call   <reflect@plt>
  pop    %rbx
  pop    %rbp
  not    %eax
  pop    %r12
  ret
L5:
  mov    $0xffffffff,%ebp
  jmp    L8
```

assistant: ```c
unsigned int calculate_crc32(unsigned char *buffer, int len) {
  int byte_length = 8;
  int msb = 0;
  int polynomial = 0x04C11DB7;
  unsigned int regs = 0xFFFFFFFF;
  int regs_mask = 0xFFFFFFFF;
  int regs_msb = 0;
  unsigned int reflected_regs;
  for (int i = 0; i < len; i++) {
    int data_byte = buffer[i];
    data_byte = reflect(data_byte, 8);
    for (int j = 0; j < byte_length; j++) {
      msb = data_byte >> (byte_length - 1);
      msb &= 1;
      regs_msb = (regs >> 31) & 1;
      regs = regs << 1;
      if (regs_msb ^ msb) {
        regs = regs ^ polynomial;
      }
      regs = regs & regs_mask;
      data_byte <<= 1;
    }
  }
  regs = regs & regs_mask;
  reflected_regs = reflect(regs, 32) ^ 0xFFFFFFFF;
  return reflected_regs;
}
```