ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<setnumthreads>:
  endbr64
  push   %r12
  xor    %eax,%eax
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  mov    %edi,%ebx
  call   <omp_get_max_threads@plt>
  mov    %eax,%r12d
  xor    %eax,%eax
  call   <omp_get_num_procs@plt>
  mov    %r12d,%esi
  lea    D6(%rip),%rdi
  mov    %eax,%edx
  xor    %eax,%eax
  call   <printf@plt>
  xor    %eax,%eax
  call   <omp_get_dynamic@plt>
  test   %eax,%eax
  jne    L11
L9:
  xor    %eax,%eax
  call   <omp_get_dynamic@plt>
  lea    D4(%rip),%rdi
  mov    %eax,%esi
  xor    %eax,%eax
  call   <printf@plt>
  cmp    $0x2,%ebx
  je     L22
  mov    %r12d,%edi
  call   <omp_set_num_threads@plt>
  mov    %r12d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax,%rax,1)
L11:
  mov    %eax,%esi
  lea    D21(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  xor    %edi,%edi
  call   <omp_set_dynamic@plt>
  jmp    L9
  nopl   0x0(%rax)
L22:
  mov    0x8(%rbp),%rdi
  call   <atoi@plt>
  cmp    %eax,%r12d
  cmovg  %eax,%r12d
  mov    %r12d,%edi
  call   <omp_set_num_threads@plt>
  mov    %r12d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

tool_calls: name: disassemble_data
arguments: data_label: D6
type_guessed: string
name: disassemble_data
arguments: data_label: D4
type_guessed: string
name: disassemble_data
arguments: data_label: D21
type_guessed: string

tool: D6: Maximum threads: %i, Cores: %i


tool: D4: Dynamic threads is %i


tool: D21: Dynamic threads is %i, switching off


assistant: ```c
int setnumthreads(int argc, char **argv) {
  int maxthreads = omp_get_max_threads();
  int procs = omp_get_num_procs();
  printf("Maximum threads: %i, Cores: %i\n", maxthreads, procs);
  int dynthreads = omp_get_dynamic();
  if (dynthreads != 0) {
    printf("Dynamic threads is %i, switching off\n", dynthreads);
    omp_set_dynamic(0);
  }
  printf("Dynamic threads is %i\n", omp_get_dynamic());
  int setthreads = maxthreads;
  if (argc == 2) {
    char *threads = argv[1];
    setthreads = atoi(threads);
    if (setthreads > maxthreads)
      setthreads = maxthreads;
  }
  omp_set_num_threads(setthreads);
  return setthreads;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<setnumthreads>:
  endbr64
  push   %r12
  xor    %eax,%eax
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  mov    %edi,%ebx
  call   <omp_get_max_threads@plt>
  mov    %eax,%r12d
  xor    %eax,%eax
  call   <omp_get_num_procs@plt>
  mov    %r12d,%esi
  lea    D4(%rip),%rdi
  mov    %eax,%edx
  xor    %eax,%eax
  call   <printf@plt>
  xor    %eax,%eax
  call   <omp_get_dynamic@plt>
  test   %eax,%eax
  jne    L1
L5:
  xor    %eax,%eax
  call   <omp_get_dynamic@plt>
  lea    D10(%rip),%rdi
  mov    %eax,%esi
  xor    %eax,%eax
  call   <printf@plt>
  cmp    $0x2,%ebx
  je     L19
  mov    %r12d,%edi
  call   <omp_set_num_threads@plt>
  mov    %r12d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax,%rax,1)
L1:
  mov    %eax,%esi
  lea    D7(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  xor    %edi,%edi
  call   <omp_set_dynamic@plt>
  jmp    L5
  nopl   0x0(%rax)
L19:
  mov    0x8(%rbp),%rdi
  call   <atoi@plt>
  cmp    %eax,%r12d
  cmovg  %eax,%r12d
  mov    %r12d,%edi
  call   <omp_set_num_threads@plt>
  mov    %r12d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

tool_calls: name: retrieve_data
arguments: data_label: D4
type_guessed: string
name: retrieve_data
arguments: data_label: D10
type_guessed: string
name: retrieve_data
arguments: data_label: D7
type_guessed: string

tool: D4: Maximum threads: %i, Cores: %i


tool: D10: Dynamic threads is %i


tool: D7: Dynamic threads is %i, switching off


assistant: ```c
int setnumthreads(int argc, char **argv) {
  int maxthreads = omp_get_max_threads();
  int procs = omp_get_num_procs();
  printf("Maximum threads: %i, Cores: %i\n", maxthreads, procs);
  int dynthreads = omp_get_dynamic();
  if (dynthreads != 0) {
    printf("Dynamic threads is %i, switching off\n", dynthreads);
    omp_set_dynamic(0);
  }
  printf("Dynamic threads is %i\n", omp_get_dynamic());
  int setthreads = maxthreads;
  if (argc == 2) {
    char *threads = argv[1];
    setthreads = atoi(threads);
    if (setthreads > maxthreads)
      setthreads = maxthreads;
  }
  omp_set_num_threads(setthreads);
  return setthreads;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<itoa>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,-0x14(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %edx,-0x18(%rbp)
  mov    -0x20(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  cmpl   $0x0,-0x18(%rbp)
  jne    L6
  movl   $0xa,-0x18(%rbp)
L6:
  cmpq   $0x0,-0x20(%rbp)
  je     L28
  cmpl   $0x1,-0x18(%rbp)
  jle    L28
  cmpl   $0x24,-0x18(%rbp)
  jle    L45
L28:
  mov    $0x0,%eax
  jmp    L40
L45:
  cmpl   $0x0,-0x14(%rbp)
  jns    L14
  mov    -0x8(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x8(%rbp)
  movb   $0x2d,(%rax)
  mov    -0x14(%rbp),%eax
  neg    %eax
  mov    %eax,-0xc(%rbp)
  jmp    L16
L14:
  mov    -0x14(%rbp),%eax
  mov    %eax,-0xc(%rbp)
L16:
  mov    -0x18(%rbp),%edx
  mov    -0x8(%rbp),%rcx
  mov    -0xc(%rbp),%eax
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <utoa@plt>
  mov    -0x20(%rbp),%rax
L40:
  leave
  ret
```

assistant: ```c
char *itoa(int value, char *digits, int base) {
  char *d;
  unsigned u;
  d = digits;
  if (base == 0)
    base = 10;
  if (digits == NULL || base < 2 || base > 36)
    return NULL;
  if (value < 0) {
    *d++ = '-';
    u = -value;
  } else
    u = value;
  utoa(u, d, base);
  return digits;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<itoa>:
  endbr64
  test   %edx,%edx
  mov    $0xa,%eax
  cmove  %eax,%edx
  lea    -0x2(%rdx),%eax
  cmp    $0x22,%eax
  ja     L24
  push   %rbx
  mov    %rsi,%rbx
  test   %rsi,%rsi
  je     L26
  mov    %edi,%eax
  test   %edi,%edi
  js     L7
L31:
  mov    %eax,%edi
  call   <utoa@plt>
  mov    %rbx,%rax
L19:
  pop    %rbx
  ret
L7:
  lea    0x1(%rsi),%rsi
  movb   $0x2d,(%rbx)
  neg    %eax
  jmp    L31
L26:
  mov    $0x0,%eax
  jmp    L19
L24:
  mov    $0x0,%eax
  ret
```

assistant: ```c
char *itoa(int value, char *digits, int base) {
  char *d;
  unsigned u;
  d = digits;
  if (base == 0)
    base = 10;
  if (digits == NULL || base < 2 || base > 36)
    return NULL;
  if (value < 0) {
    *d++ = '-';
    u = -value;
  } else
    u = value;
  utoa(u, d, base);
  return digits;
}
```
user: Translate the below assembly code into C programming language:

```asm
<itoa>:
  endbr64
  push   %rbx
  mov    %rsi,%rbx
  test   %edx,%edx
  jne    L0
  test   %rsi,%rsi
  je     L7
  mov    $0xa,%edx
L20:
  mov    %rbx,%rsi
  test   %edi,%edi
  jns    L36
  movb   $0x2d,(%rbx)
  lea    0x1(%rbx),%rsi
  neg    %edi
L36:
  call   <utoa@plt>
  mov    %rbx,%rax
  pop    %rbx
  ret
L0:
  lea    -0x2(%rdx),%eax
  cmp    $0x22,%eax
  ja     L7
  test   %rsi,%rsi
  jne    L20
L7:
  xor    %eax,%eax
  pop    %rbx
  ret
```

assistant: ```c
char *itoa(int value, char *digits, int base) {
  char *d;
  unsigned u;
  d = digits;
  if (base == 0)
    base = 10;
  if (digits == NULL || base < 2 || base > 36)
    return NULL;
  if (value < 0) {
    *d++ = '-';
    u = -value;
  } else
    u = value;
  utoa(u, d, base);
  return digits;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<itoa>:
  endbr64
  push   %rbx
  mov    %rsi,%rbx
  test   %edx,%edx
  jne    L29
  test   %rsi,%rsi
  je     L32
  mov    $0xa,%edx
L23:
  mov    %rbx,%rsi
  test   %edi,%edi
  jns    L5
  movb   $0x2d,(%rbx)
  lea    0x1(%rbx),%rsi
  neg    %edi
L5:
  call   <utoa@plt>
  mov    %rbx,%rax
  pop    %rbx
  ret
L29:
  lea    -0x2(%rdx),%eax
  cmp    $0x22,%eax
  ja     L32
  test   %rsi,%rsi
  jne    L23
L32:
  xor    %eax,%eax
  pop    %rbx
  ret
```

assistant: ```c
char *itoa(int value, char *digits, int base) {
  char *d;
  unsigned u;
  d = digits;
  if (base == 0)
    base = 10;
  if (digits == NULL || base < 2 || base > 36)
    return NULL;
  if (value < 0) {
    *d++ = '-';
    u = -value;
  } else
    u = value;
  utoa(u, d, base);
  return digits;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<quaddobl_crude_tracker>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %edi,-0x24(%rbp)
  mov    -0x8(%rbp),%rcx
  mov    -0x10(%rbp),%rdx
  lea    -0x24(%rbp),%rax
  mov    $0x0,%r8d
  mov    %rax,%rsi
  mov    $0x270,%edi
  call   <_ada_use_c2phc4c@plt>
  mov    %eax,-0x14(%rbp)
  mov    -0x14(%rbp),%eax
  leave
  ret
```

assistant: ```c
int quaddobl_crude_tracker(int verbose) {
  int fail, *b;
  double *c;
  fail = _ada_use_c2phc4c(624, &verbose, b, c, 0);
  return fail;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<quaddobl_crude_tracker>:
  endbr64
  sub    $0x18,%rsp
  mov    %edi,0xc(%rsp)
  lea    0xc(%rsp),%rsi
  mov    $0x0,%r8d
  mov    $0x0,%ecx
  mov    $0x0,%edx
  mov    $0x270,%edi
  call   <_ada_use_c2phc4c@plt>
  add    $0x18,%rsp
  ret
```

assistant: ```c
int quaddobl_crude_tracker(int verbose) {
  int fail, *b;
  double *c;
  fail = _ada_use_c2phc4c(624, &verbose, b, c, 0);
  return fail;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<quaddobl_crude_tracker>:
  endbr64
  sub    $0x18,%rsp
  xor    %r8d,%r8d
  xor    %ecx,%ecx
  xor    %edx,%edx
  mov    %edi,0xc(%rsp)
  lea    0xc(%rsp),%rsi
  mov    $0x270,%edi
  call   <_ada_use_c2phc4c@plt>
  add    $0x18,%rsp
  ret
```

assistant: ```c
int quaddobl_crude_tracker(int verbose) {
  int fail, *b;
  double *c;
  fail = _ada_use_c2phc4c(624, &verbose, b, c, 0);
  return fail;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<quaddobl_crude_tracker>:
  endbr64
  sub    $0x18,%rsp
  xor    %r8d,%r8d
  xor    %ecx,%ecx
  xor    %edx,%edx
  mov    %edi,0xc(%rsp)
  lea    0xc(%rsp),%rsi
  mov    $0x270,%edi
  call   <_ada_use_c2phc4c@plt>
  add    $0x18,%rsp
  ret
```

assistant: ```c
int quaddobl_crude_tracker(int verbose) {
  int fail, *b;
  double *c;
  fail = _ada_use_c2phc4c(624, &verbose, b, c, 0);
  return fail;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<insert_bo>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    %edx,-0x14(%rbp)
  mov    %rcx,-0x20(%rbp)
  mov    -0x14(%rbp),%ecx
  mov    -0x10(%rbp),%rax
  mov    $0x0,%edx
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <valid_bo@plt>
  test   %eax,%eax
  jne    L0
  mov    -0x20(%rbp),%rax
  lea    D9(%rip),%rdx
  mov    %rdx,(%rax)
L0:
  mov    -0x10(%rbp),%rax
  shl    $0x15,%rax
  and    $0x3e00000,%eax
  or     -0x8(%rbp),%rax
  leave
  ret
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D9
type_guessed: string

tool: D9: invalid conditional option

assistant: ```c
unsigned long insert_bo(unsigned long insn, long value, int dialect, const char **errmsg) {
  if (!valid_bo(value, dialect, 0))
    *errmsg = ("invalid conditional option");
  return insn | ((value & 0x1f) << 21);
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<insert_bo>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbp
  mov    %rsi,%rbx
  mov    %edx,%esi
  mov    %rcx,%r12
  mov    $0x0,%edx
  mov    %rbx,%rdi
  call   <valid_bo@plt>
  test   %eax,%eax
  jne    L2
  lea    D0(%rip),%rax
  mov    %rax,(%r12)
L2:
  mov    %rbx,%rax
  shl    $0x15,%rax
  and    $0x3e00000,%eax
  or     %rbp,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

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

tool: D0: invalid conditional option

assistant: ```c
unsigned long insert_bo(unsigned long insn, long value, int dialect, const char **errmsg) {
  if (!valid_bo(value, dialect, 0))
    *errmsg = ("invalid conditional option");
  return insn | ((value & 0x1f) << 21);
}
```
user: What is the c source code of the assembly code below?

```asm
<insert_bo>:
  endbr64
  push   %r12
  mov    %rcx,%r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  mov    %rsi,%rbx
  mov    %edx,%esi
  xor    %edx,%edx
  mov    %rbx,%rdi
  call   <valid_bo@plt>
  test   %eax,%eax
  jne    L3
  lea    D2(%rip),%rax
  mov    %rax,(%r12)
L3:
  mov    %rbx,%rax
  pop    %rbx
  shl    $0x15,%rax
  and    $0x3e00000,%eax
  or     %rbp,%rax
  pop    %rbp
  pop    %r12
  ret
```

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

tool: D2: invalid conditional option

assistant: ```c
unsigned long insert_bo(unsigned long insn, long value, int dialect, const char **errmsg) {
  if (!valid_bo(value, dialect, 0))
    *errmsg = ("invalid conditional option");
  return insn | ((value & 0x1f) << 21);
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<insert_bo>:
  endbr64
  push   %r12
  mov    %rcx,%r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  mov    %rsi,%rbx
  mov    %edx,%esi
  xor    %edx,%edx
  mov    %rbx,%rdi
  call   <valid_bo@plt>
  test   %eax,%eax
  jne    L5
  lea    D8(%rip),%rax
  mov    %rax,(%r12)
L5:
  mov    %rbx,%rax
  pop    %rbx
  shl    $0x15,%rax
  and    $0x3e00000,%eax
  or     %rbp,%rax
  pop    %rbp
  pop    %r12
  ret
```

tool_calls: name: parse_data
arguments: data_label: D8
type_guessed: string

tool: D8: invalid conditional option

assistant: ```c
unsigned long insert_bo(unsigned long insn, long value, int dialect, const char **errmsg) {
  if (!valid_bo(value, dialect, 0))
    *errmsg = ("invalid conditional option");
  return insn | ((value & 0x1f) << 21);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<average>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0x8(%rbp)
  movl   $0x0,-0xc(%rbp)
  jmp    L5
L7:
  mov    -0xc(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  -0x8(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x8(%rbp)
  addl   $0x1,-0xc(%rbp)
L5:
  cmpl   $0x63,-0xc(%rbp)
  jle    L7
  movsd  -0x8(%rbp),%xmm0
  movsd  D7(%rip),%xmm1
  divsd  %xmm1,%xmm0
  movq   %xmm0,%rax
  movq   %rax,%xmm0
  pop    %rbp
  ret
```

tool_calls: name: parse_data
arguments: tag: D7
type: byte[8]

tool: {"D7": [0x00,0x00,0x00,0x00,0x00,0x00,0x59,0x40]}

assistant: ```c
double average(double input[100]) {
  int i;
  double sum;
  sum = 0;
  for (i = 0; i < 100; i++) {
    sum += input[i];
  }
  return sum / (double)100;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<average>:
  endbr64
  lea    0x320(%rdi),%rax
  pxor   %xmm0,%xmm0
L0:
  addsd  (%rdi),%xmm0
  add    $0x8,%rdi
  cmp    %rax,%rdi
  jne    L0
  divsd  D7(%rip),%xmm0
  ret
```

tool_calls: name: disassemble_data
arguments: data_tag: D7
type: byte[8]

tool: {"D7": [0x00,0x00,0x00,0x00,0x00,0x00,0x59,0x40]}

assistant: ```c
double average(double input[100]) {
  int i;
  double sum;
  sum = 0;
  for (i = 0; i < 100; i++) {
    sum += input[i];
  }
  return sum / (double)100;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<average>:
  endbr64
  lea    0x320(%rdi),%rax
  pxor   %xmm0,%xmm0
  nop
L5:
  addsd  (%rdi),%xmm0
  add    $0x8,%rdi
  cmp    %rax,%rdi
  jne    L5
  divsd  D6(%rip),%xmm0
  ret
```

tool_calls: name: retrieve_data
arguments: tag: D6
datatype: byte[8]

tool: {"D6": [0x00,0x00,0x00,0x00,0x00,0x00,0x59,0x40]}

assistant: ```c
double average(double input[100]) {
  int i;
  double sum;
  sum = 0;
  for (i = 0; i < 100; i++) {
    sum += input[i];
  }
  return sum / (double)100;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<average>:
  endbr64
  lea    0x320(%rdi),%rax
  pxor   %xmm0,%xmm0
  nop
L4:
  movsd  (%rdi),%xmm1
  add    $0x10,%rdi
  addsd  %xmm1,%xmm0
  movsd  -0x8(%rdi),%xmm1
  addsd  %xmm1,%xmm0
  cmp    %rdi,%rax
  jne    L4
  divsd  D1(%rip),%xmm0
  ret
```

tool_calls: name: disassemble_data
arguments: data_tag: D1
type_guessed: byte[8]

tool: {"D1": [0x00,0x00,0x00,0x00,0x00,0x00,0x59,0x40]}

assistant: ```c
double average(double input[100]) {
  int i;
  double sum;
  sum = 0;
  for (i = 0; i < 100; i++) {
    sum += input[i];
  }
  return sum / (double)100;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<__be64_to_cpu>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x24(%rbp)
  mov    $0x38,%edx
  mov    -0x24(%rbp),%eax
  mov    %edx,%ecx
  sar    %cl,%eax
  and    $0xff,%eax
  mov    %eax,-0x20(%rbp)
  mov    $0x30,%edx
  mov    -0x24(%rbp),%eax
  mov    %edx,%ecx
  sar    %cl,%eax
  and    $0xff,%eax
  mov    %eax,-0x1c(%rbp)
  mov    $0x28,%edx
  mov    -0x24(%rbp),%eax
  mov    %edx,%ecx
  sar    %cl,%eax
  and    $0xff,%eax
  mov    %eax,-0x18(%rbp)
  mov    $0x20,%edx
  mov    -0x24(%rbp),%eax
  mov    %edx,%ecx
  sar    %cl,%eax
  and    $0xff,%eax
  mov    %eax,-0x14(%rbp)
  mov    -0x24(%rbp),%eax
  shr    $0x18,%eax
  mov    %eax,-0x10(%rbp)
  mov    -0x24(%rbp),%eax
  sar    $0x10,%eax
  and    $0xff,%eax
  mov    %eax,-0xc(%rbp)
  mov    -0x24(%rbp),%eax
  sar    $0x8,%eax
  and    $0xff,%eax
  mov    %eax,-0x8(%rbp)
  mov    -0x24(%rbp),%eax
  movzbl %al,%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x1c(%rbp),%eax
  shl    $0x8,%eax
  or     -0x20(%rbp),%eax
  mov    %eax,%edx
  mov    -0x18(%rbp),%eax
  shl    $0x10,%eax
  or     %eax,%edx
  mov    -0x14(%rbp),%eax
  shl    $0x18,%eax
  mov    %edx,%esi
  or     %eax,%esi
  mov    $0x20,%edx
  mov    -0x10(%rbp),%eax
  mov    %edx,%ecx
  shl    %cl,%eax
  or     %eax,%esi
  mov    $0x28,%edx
  mov    -0xc(%rbp),%eax
  mov    %edx,%ecx
  shl    %cl,%eax
  or     %eax,%esi
  mov    $0x30,%edx
  mov    -0x8(%rbp),%eax
  mov    %edx,%ecx
  shl    %cl,%eax
  or     %eax,%esi
  mov    $0x38,%edx
  mov    -0x4(%rbp),%eax
  mov    %edx,%ecx
  shl    %cl,%eax
  or     %esi,%eax
  pop    %rbp
  ret
```

assistant: ```c
uint64_t __be64_to_cpu(uint64_t val) {
  uint64_t c1, c2, c3, c4, c5, c6, c7, c8;
  c1 = (val >> 56) & 0xff;
  c2 = (val >> 48) & 0xff;
  c3 = (val >> 40) & 0xff;
  c4 = (val >> 32) & 0xff;
  c5 = (val >> 24) & 0xff;
  c6 = (val >> 16) & 0xff;
  c7 = (val >> 8) & 0xff;
  c8 = val & 0xff;
  return c1 | c2 << 8 | c3 << 16 | c4 << 24 | c5 << 32 | c6 << 40 | c7 << 48 | c8 << 56;
}
```
user: What is the c source code of the assembly code below?

```asm
<__be64_to_cpu>:
  endbr64
  mov    %edi,%eax
  mov    $0x20,%ecx
  sar    %cl,%eax
  shl    $0x18,%eax
  mov    %edi,%edx
  mov    $0x38,%ecx
  sar    %cl,%edx
  movzbl %dl,%edx
  or     %edx,%eax
  mov    %edi,%edx
  mov    $0x30,%ecx
  sar    %cl,%edx
  shl    $0x8,%edx
  movzwl %dx,%edx
  or     %edx,%eax
  mov    $0x28,%ecx
  sar    %cl,%edi
  shl    $0x10,%edi
  and    $0xff0000,%edi
  or     %edi,%eax
  ret
```

assistant: ```c
uint64_t __be64_to_cpu(uint64_t val) {
  uint64_t c1, c2, c3, c4, c5, c6, c7, c8;
  c1 = (val >> 56) & 0xff;
  c2 = (val >> 48) & 0xff;
  c3 = (val >> 40) & 0xff;
  c4 = (val >> 32) & 0xff;
  c5 = (val >> 24) & 0xff;
  c6 = (val >> 16) & 0xff;
  c7 = (val >> 8) & 0xff;
  c8 = val & 0xff;
  return c1 | c2 << 8 | c3 << 16 | c4 << 24 | c5 << 32 | c6 << 40 | c7 << 48 | c8 << 56;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<__be64_to_cpu>:
  endbr64
  mov    %edi,%eax
  mov    $0x20,%ecx
  mov    %edi,%edx
  sar    %cl,%eax
  mov    $0x38,%ecx
  sar    %cl,%edx
  shl    $0x18,%eax
  mov    $0x30,%ecx
  movzbl %dl,%edx
  or     %edx,%eax
  mov    %edi,%edx
  sar    %cl,%edx
  mov    $0x28,%ecx
  shl    $0x8,%edx
  sar    %cl,%edi
  movzwl %dx,%edx
  shl    $0x10,%edi
  or     %edx,%eax
  and    $0xff0000,%edi
  or     %edi,%eax
  ret
```

assistant: ```c
uint64_t __be64_to_cpu(uint64_t val) {
  uint64_t c1, c2, c3, c4, c5, c6, c7, c8;
  c1 = (val >> 56) & 0xff;
  c2 = (val >> 48) & 0xff;
  c3 = (val >> 40) & 0xff;
  c4 = (val >> 32) & 0xff;
  c5 = (val >> 24) & 0xff;
  c6 = (val >> 16) & 0xff;
  c7 = (val >> 8) & 0xff;
  c8 = val & 0xff;
  return c1 | c2 << 8 | c3 << 16 | c4 << 24 | c5 << 32 | c6 << 40 | c7 << 48 | c8 << 56;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<__be64_to_cpu>:
  endbr64
  mov    %edi,%eax
  mov    $0x20,%ecx
  mov    %edi,%edx
  sar    %cl,%eax
  mov    $0x38,%ecx
  sar    %cl,%edx
  shl    $0x18,%eax
  mov    $0x30,%ecx
  movzbl %dl,%edx
  or     %edx,%eax
  mov    %edi,%edx
  sar    %cl,%edx
  mov    $0x28,%ecx
  shl    $0x8,%edx
  sar    %cl,%edi
  movzwl %dx,%edx
  shl    $0x10,%edi
  or     %edx,%eax
  and    $0xff0000,%edi
  or     %edi,%eax
  ret
```

assistant: ```c
uint64_t __be64_to_cpu(uint64_t val) {
  uint64_t c1, c2, c3, c4, c5, c6, c7, c8;
  c1 = (val >> 56) & 0xff;
  c2 = (val >> 48) & 0xff;
  c3 = (val >> 40) & 0xff;
  c4 = (val >> 32) & 0xff;
  c5 = (val >> 24) & 0xff;
  c6 = (val >> 16) & 0xff;
  c7 = (val >> 8) & 0xff;
  c8 = val & 0xff;
  return c1 | c2 << 8 | c3 << 16 | c4 << 24 | c5 << 32 | c6 << 40 | c7 << 48 | c8 << 56;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<send_m4_stop_flag>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %edi,-0x24(%rbp)
  mov    %esi,%eax
  mov    %al,-0x28(%rbp)
  mov    $0xbff0ffff,%eax
  mov    %rax,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  and    $0xfffffffffffff000,%rax
  mov    %rax,%rsi
  mov    D24(%rip),%rax
  mov    (%rax),%eax
  mov    D25(%rip),%rdx
  mov    (%rdx),%ecx
  mov    D18(%rip),%rdx
  mov    (%rdx),%edx
  or     %ecx,%edx
  mov    -0x24(%rbp),%ecx
  mov    %rsi,%r9
  mov    %ecx,%r8d
  mov    %eax,%ecx
  mov    $0x1000,%esi
  mov    $0x0,%edi
  call   <mmap@plt>
  mov    %rax,-0x10(%rbp)
  mov    -0x18(%rbp),%rax
  and    $0xfff,%eax
  mov    %rax,%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  movzbl -0x28(%rbp),%edx
  mov    %dl,(%rax)
  mov    -0x10(%rbp),%rax
  mov    $0x1000,%esi
  mov    %rax,%rdi
  call   <munmap@plt>
  nop
  leave
  ret
```

assistant: ```c
void send_m4_stop_flag(int fd, unsigned char value) {
  off_t target;
  void *map_base, *virt_addr;
  target = 0xbff0ffff;
  map_base = mmap(0, 4096UL, PROT_READ | PROT_WRITE, MAP_SHARED, fd, target & ~(4096UL - 1));
  virt_addr = (unsigned char *)map_base + (target & (4096UL - 1));
  *((unsigned char *)virt_addr) = value;
  munmap(map_base, 4096UL);
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<send_m4_stop_flag>:
  endbr64
  push   %rbx
  mov    %edi,%r8d
  mov    %esi,%ebx
  mov    D12(%rip),%rax
  mov    (%rax),%edx
  mov    D7(%rip),%rax
  or     (%rax),%edx
  mov    $0xbff0f000,%r9d
  mov    D24(%rip),%rax
  mov    (%rax),%ecx
  mov    $0x1000,%esi
  mov    $0x0,%edi
  call   <mmap@plt>
  mov    %rax,%rdi
  mov    %bl,0xfff(%rax)
  mov    $0x1000,%esi
  call   <munmap@plt>
  pop    %rbx
  ret
```

assistant: ```c
void send_m4_stop_flag(int fd, unsigned char value) {
  off_t target;
  void *map_base, *virt_addr;
  target = 0xbff0ffff;
  map_base = mmap(0, 4096UL, PROT_READ | PROT_WRITE, MAP_SHARED, fd, target & ~(4096UL - 1));
  virt_addr = (unsigned char *)map_base + (target & (4096UL - 1));
  *((unsigned char *)virt_addr) = value;
  munmap(map_base, 4096UL);
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<send_m4_stop_flag>:
  endbr64
  mov    D16(%rip),%rax
  push   %rbx
  mov    %edi,%r8d
  mov    %esi,%ebx
  xor    %edi,%edi
  mov    $0x1000,%esi
  mov    $0xbff0f000,%r9d
  mov    (%rax),%edx
  mov    D10(%rip),%rax
  or     (%rax),%edx
  mov    D3(%rip),%rax
  mov    (%rax),%ecx
  call   <mmap@plt>
  mov    $0x1000,%esi
  mov    %bl,0xfff(%rax)
  mov    %rax,%rdi
  pop    %rbx
  jmp    1070 <munmap@plt>
```

assistant: ```c
void send_m4_stop_flag(int fd, unsigned char value) {
  off_t target;
  void *map_base, *virt_addr;
  target = 0xbff0ffff;
  map_base = mmap(0, 4096UL, PROT_READ | PROT_WRITE, MAP_SHARED, fd, target & ~(4096UL - 1));
  virt_addr = (unsigned char *)map_base + (target & (4096UL - 1));
  *((unsigned char *)virt_addr) = value;
  munmap(map_base, 4096UL);
}
```