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
<isPhredOffset>:
  endbr64
  test   %esi,%esi
  jle    L16
  mov    %rdi,%rax
  lea    -0x1(%rsi),%edx
  lea    0x1(%rdi,%rdx,1),%rdi
  mov    $0x0,%ecx
L28:
  movsbl (%rax),%edx
  sub    $0x22,%edx
  cmp    $0x27,%edx
  adc    $0x0,%ecx
  add    $0x1,%rax
  cmp    %rdi,%rax
  jne    L28
L12:
  cmp    %ecx,%esi
  sete   %al
  movzbl %al,%eax
  ret
L16:
  mov    $0x0,%ecx
  jmp    L12
```

assistant: ```c
int isPhredOffset(char *src, int n) {
  int i, okay, s;
  okay = 0;
  for (i = 0; i < n; i++) {
    s = src[i] - 33;
    if (s < 40 && s > 0) {
      okay++;
    }
  }
  return okay == n;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<isPhredOffset>:
  endbr64
  test   %esi,%esi
  jle    L12
  lea    -0x1(%rsi),%eax
  xor    %edx,%edx
  lea    0x1(%rdi,%rax,1),%rcx
  nopw   0x0(%rax,%rax,1)
L4:
  movsbl (%rdi),%eax
  sub    $0x22,%eax
  cmp    $0x27,%eax
  adc    $0x0,%edx
  add    $0x1,%rdi
  cmp    %rcx,%rdi
  jne    L4
  xor    %eax,%eax
  cmp    %edx,%esi
  sete   %al
  ret
  nopl   (%rax)
L12:
  xor    %edx,%edx
  xor    %eax,%eax
  cmp    %edx,%esi
  sete   %al
  ret
```

assistant: ```c
int isPhredOffset(char *src, int n) {
  int i, okay, s;
  okay = 0;
  for (i = 0; i < n; i++) {
    s = src[i] - 33;
    if (s < 40 && s > 0) {
      okay++;
    }
  }
  return okay == n;
}
```
user: What is the c source code of the assembly code below?

```asm
<GCD>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x14(%rbp)
  mov    %esi,-0x18(%rbp)
L7:
  mov    -0x14(%rbp),%eax
  cltd
  idivl  -0x18(%rbp)
  mov    %edx,-0x4(%rbp)
  cmpl   $0x0,-0x4(%rbp)
  je     L1
  mov    -0x18(%rbp),%eax
  mov    %eax,-0x14(%rbp)
  mov    -0x4(%rbp),%eax
  mov    %eax,-0x18(%rbp)
  jmp    L7
L1:
  nop
  mov    -0x18(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
int GCD(int x, int y) {
  int r;
  while (1) {
    r = x % y;
    if (r == 0)
      break;
    x = y;
    y = r;
  }
  return (y);
}
```
user: What is the c source code of the assembly code below:

```asm
<GCD>:
  endbr64
  mov    %edi,%eax
L7:
  mov    %esi,%ecx
  cltd
  idiv   %esi
  mov    %edx,%esi
  mov    %ecx,%eax
  test   %edx,%edx
  jne    L7
  ret
```

assistant: ```c
int GCD(int x, int y) {
  int r;
  while (1) {
    r = x % y;
    if (r == 0)
      break;
    x = y;
    y = r;
  }
  return (y);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<GCD>:
  endbr64
  mov    %edi,%eax
  mov    %esi,%edx
  nopl   0x0(%rax,%rax,1)
L6:
  mov    %edx,%ecx
  cltd
  idiv   %ecx
  mov    %ecx,%eax
  test   %edx,%edx
  jne    L6
  ret
```

assistant: ```c
int GCD(int x, int y) {
  int r;
  while (1) {
    r = x % y;
    if (r == 0)
      break;
    x = y;
    y = r;
  }
  return (y);
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<GCD>:
  endbr64
  mov    %edi,%eax
  mov    %esi,%edx
  nopl   0x0(%rax,%rax,1)
L2:
  mov    %edx,%ecx
  cltd
  idiv   %ecx
  mov    %ecx,%eax
  test   %edx,%edx
  jne    L2
  ret
```

assistant: ```c
int GCD(int x, int y) {
  int r;
  while (1) {
    r = x % y;
    if (r == 0)
      break;
    x = y;
    y = r;
  }
  return (y);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<float_neg>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  and    $0x7fffffff,%eax
  cmp    $0x7f800000,%eax
  jbe    L0
  mov    -0x4(%rbp),%eax
  jmp    L16
L0:
  mov    -0x4(%rbp),%eax
  xor    $0x80000000,%eax
L16:
  pop    %rbp
  ret
```

assistant: ```c
unsigned float_neg(unsigned uf) {
  if ((uf & 0x7FFFFFFF) > 0x7F800000) {
    return uf;
  }
  return uf ^ 0x80000000;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<float_neg>:
  endbr64
  mov    %edi,%edx
  and    $0x7fffffff,%edx
  lea    -0x80000000(%rdi),%eax
  cmp    $0x7f800001,%edx
  cmovae %edi,%eax
  ret
```

assistant: ```c
unsigned float_neg(unsigned uf) {
  if ((uf & 0x7FFFFFFF) > 0x7F800000) {
    return uf;
  }
  return uf ^ 0x80000000;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<float_neg>:
  endbr64
  mov    %edi,%edx
  lea    -0x80000000(%rdi),%eax
  and    $0x7fffffff,%edx
  cmp    $0x7f800001,%edx
  cmovae %edi,%eax
  ret
```

assistant: ```c
unsigned float_neg(unsigned uf) {
  if ((uf & 0x7FFFFFFF) > 0x7F800000) {
    return uf;
  }
  return uf ^ 0x80000000;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<float_neg>:
  endbr64
  mov    %edi,%edx
  lea    -0x80000000(%rdi),%eax
  and    $0x7fffffff,%edx
  cmp    $0x7f800001,%edx
  cmovae %edi,%eax
  ret
```

assistant: ```c
unsigned float_neg(unsigned uf) {
  if ((uf & 0x7FFFFFFF) > 0x7F800000) {
    return uf;
  }
  return uf ^ 0x80000000;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    $0x14,%edi
  call   <malloc@plt>
  mov    %rax,-0x8(%rbp)
  movl   $0x0,-0xc(%rbp)
  jmp    L4
L14:
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  movb   $0x73,(%rax)
  addl   $0x1,-0xc(%rbp)
L4:
  cmpl   $0x13,-0xc(%rbp)
  jle    L14
  mov    $0x0,%eax
  leave
  ret
```

assistant: ```c
int main() {
  char *str;
  int i;
  str = (char *)malloc(20);
  for (i = 0; i < 20; i++) {
    str[i] = 's';
  }
  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
  mov    $0x14,%edi
  call   <malloc@plt>
  lea    0x14(%rax),%rdx
L1:
  movb   $0x73,(%rax)
  add    $0x1,%rax
  cmp    %rdx,%rax
  jne    L1
  mov    $0x0,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int main() {
  char *str;
  int i;
  str = (char *)malloc(20);
  for (i = 0; i < 20; i++) {
    str[i] = 's';
  }
  return 0;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x14,%edi
  call   <malloc@plt>
  movdqa D7(%rip),%xmm0
  movl   $0x73737373,0x10(%rax)
  movups %xmm0,(%rax)
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

tool_calls: name: unpack_data
arguments: data_label: D7
type_infered: byte[16]

tool: {"D7": [0x73,0x73,0x73,0x73,0x73,0x73,0x73,0x73,0x73,0x73,0x73,0x73,0x73,0x73,0x73,0x73]}

assistant: ```c
int main() {
  char *str;
  int i;
  str = (char *)malloc(20);
  for (i = 0; i < 20; i++) {
    str[i] = 's';
  }
  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
  mov    $0x14,%edi
  call   <malloc@plt>
  movdqa D6(%rip),%xmm0
  movl   $0x73737373,0x10(%rax)
  movups %xmm0,(%rax)
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

tool_calls: name: parse_data
arguments: label: D6
datatype: byte[16]

tool: {"D6": [0x73,0x73,0x73,0x73,0x73,0x73,0x73,0x73,0x73,0x73,0x73,0x73,0x73,0x73,0x73,0x73]}

assistant: ```c
int main() {
  char *str;
  int i;
  str = (char *)malloc(20);
  for (i = 0; i < 20; i++) {
    str[i] = 's';
  }
  return 0;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<ugl_bytecode_buildin_procedure>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %esi,-0xc(%rbp)
  mov    %edx,-0x10(%rbp)
  cmpl   $0x0,-0x10(%rbp)
  je     L20
  lea    D17(%rip),%rax
  jmp    L2
L20:
  lea    D19(%rip),%rax
L2:
  mov    -0x8(%rbp),%rdx
  mov    %rax,%rsi
  lea    D6(%rip),%rax
  mov    %rax,%rdi
  call   <ugl_plog@plt>
  cmpl   $0x0,-0x10(%rbp)
  jne    L36
  mov    -0xc(%rbp),%eax
  sar    $0x4,%eax
  and    $0xf0,%eax
  or     $0x1,%eax
  mov    %eax,%edi
  call   <ugl_AddBytecode@plt>
  mov    -0xc(%rbp),%eax
  movzbl %al,%eax
  mov    %eax,%edi
  call   <ugl_AddBytecode@plt>
  jmp    L3
L36:
  mov    -0xc(%rbp),%eax
  sar    $0x4,%eax
  and    $0xf0,%eax
  or     $0x2,%eax
  mov    %eax,%edi
  call   <ugl_AddBytecode@plt>
  mov    -0xc(%rbp),%eax
  movzbl %al,%eax
  mov    %eax,%edi
  call   <ugl_AddBytecode@plt>
L3:
  nop
  leave
  ret
```

tool_calls: name: extract_symbolic_data
arguments: data_tag: D17
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D19
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D6
type_infered: string

tool: D17: toplevel 

tool: 

tool: D6: BC %scall buildin '%s'

assistant: ```c
void ugl_bytecode_buildin_procedure(const char *name, int idx, int is_toplevel) {
  ugl_plog("BC %scall buildin '%s'", is_toplevel ? "toplevel " : "", name);
  if (is_toplevel == 0) {
    ugl_AddBytecode((0x01) | ((idx & 0x0f00) >> 4));
    ugl_AddBytecode(idx & 0xff);
  } else {
    ugl_AddBytecode((0x02) | ((idx & 0x0f00) >> 4));
    ugl_AddBytecode(idx & 0xff);
  }
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<ugl_bytecode_buildin_procedure>:
  endbr64
  push   %rbx
  mov    %esi,%ebx
  test   %edx,%edx
  jne    L6
  mov    %rdi,%rdx
  lea    D34(%rip),%rsi
  lea    D12(%rip),%rdi
  call   <ugl_plog@plt>
  mov    %ebx,%edi
  sar    $0x4,%edi
  and    $0xf0,%edi
  or     $0x1,%edi
  call   <ugl_AddBytecode@plt>
  movzbl %bl,%edi
  call   <ugl_AddBytecode@plt>
  jmp    L0
L6:
  mov    %rdi,%rdx
  lea    D6(%rip),%rsi
  lea    D12(%rip),%rdi
  call   <ugl_plog@plt>
  mov    %ebx,%edi
  sar    $0x4,%edi
  and    $0xf0,%edi
  or     $0x2,%edi
  call   <ugl_AddBytecode@plt>
  movzbl %bl,%edi
  call   <ugl_AddBytecode@plt>
L0:
  pop    %rbx
  ret
```

tool_calls: name: retrieve_data
arguments: tag: D34
datatype: string
name: retrieve_data
arguments: tag: D12
datatype: string
name: retrieve_data
arguments: tag: D6
datatype: string

tool: 

tool: D12: BC %scall buildin '%s'

tool: D6: toplevel 

assistant: ```c
void ugl_bytecode_buildin_procedure(const char *name, int idx, int is_toplevel) {
  ugl_plog("BC %scall buildin '%s'", is_toplevel ? "toplevel " : "", name);
  if (is_toplevel == 0) {
    ugl_AddBytecode((0x01) | ((idx & 0x0f00) >> 4));
    ugl_AddBytecode(idx & 0xff);
  } else {
    ugl_AddBytecode((0x02) | ((idx & 0x0f00) >> 4));
    ugl_AddBytecode(idx & 0xff);
  }
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<ugl_bytecode_buildin_procedure>:
  endbr64
  push   %rbp
  movzbl %sil,%ebp
  push   %rbx
  mov    %esi,%ebx
  sar    $0x4,%ebx
  and    $0xf0,%ebx
  sub    $0x8,%rsp
  test   %edx,%edx
  mov    %rdi,%rdx
  jne    L11
  lea    D10(%rip),%rsi
  lea    D14(%rip),%rdi
  or     $0x1,%ebx
  call   <ugl_plog@plt>
L5:
  mov    %ebx,%edi
  call   <ugl_AddBytecode@plt>
  add    $0x8,%rsp
  mov    %ebp,%edi
  pop    %rbx
  pop    %rbp
  jmp    1060 <ugl_AddBytecode@plt>
  nopw   0x0(%rax,%rax,1)
L11:
  lea    D28(%rip),%rsi
  lea    D14(%rip),%rdi
  or     $0x2,%ebx
  call   <ugl_plog@plt>
  jmp    L5
```

tool_calls: name: parse_data
arguments: data_label: D10
datatype: string
name: parse_data
arguments: data_label: D14
datatype: string
name: parse_data
arguments: data_label: D28
datatype: string

tool: 

tool: D14: BC %scall buildin '%s'

tool: D28: toplevel 

assistant: ```c
void ugl_bytecode_buildin_procedure(const char *name, int idx, int is_toplevel) {
  ugl_plog("BC %scall buildin '%s'", is_toplevel ? "toplevel " : "", name);
  if (is_toplevel == 0) {
    ugl_AddBytecode((0x01) | ((idx & 0x0f00) >> 4));
    ugl_AddBytecode(idx & 0xff);
  } else {
    ugl_AddBytecode((0x02) | ((idx & 0x0f00) >> 4));
    ugl_AddBytecode(idx & 0xff);
  }
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<ugl_bytecode_buildin_procedure>:
  endbr64
  push   %rbp
  movzbl %sil,%ebp
  push   %rbx
  mov    %esi,%ebx
  sar    $0x4,%ebx
  and    $0xf0,%ebx
  sub    $0x8,%rsp
  test   %edx,%edx
  mov    %rdi,%rdx
  jne    L2
  lea    D24(%rip),%rsi
  lea    D8(%rip),%rdi
  or     $0x1,%ebx
  call   <ugl_plog@plt>
L14:
  mov    %ebx,%edi
  call   <ugl_AddBytecode@plt>
  add    $0x8,%rsp
  mov    %ebp,%edi
  pop    %rbx
  pop    %rbp
  jmp    1060 <ugl_AddBytecode@plt>
  nopw   0x0(%rax,%rax,1)
L2:
  lea    D23(%rip),%rsi
  lea    D8(%rip),%rdi
  or     $0x2,%ebx
  call   <ugl_plog@plt>
  jmp    L14
```

tool_calls: name: unpack_data
arguments: data_label: D24
type_guessed: string
name: unpack_data
arguments: data_label: D8
type_guessed: string
name: unpack_data
arguments: data_label: D23
type_guessed: string

tool: 

tool: D8: BC %scall buildin '%s'

tool: D23: toplevel 

assistant: ```c
void ugl_bytecode_buildin_procedure(const char *name, int idx, int is_toplevel) {
  ugl_plog("BC %scall buildin '%s'", is_toplevel ? "toplevel " : "", name);
  if (is_toplevel == 0) {
    ugl_AddBytecode((0x01) | ((idx & 0x0f00) >> 4));
    ugl_AddBytecode(idx & 0xff);
  } else {
    ugl_AddBytecode((0x02) | ((idx & 0x0f00) >> 4));
    ugl_AddBytecode(idx & 0xff);
  }
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<wcsrchr>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <wcslen@plt>
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x8(%rbp)
  jmp    L44
L38:
  subq   $0x8,-0x8(%rbp)
L44:
  mov    -0x8(%rbp),%rax
  cmp    -0x18(%rbp),%rax
  jb     L42
  mov    -0x8(%rbp),%rax
  mov    (%rax),%rax
  cmp    %rax,-0x20(%rbp)
  jne    L38
L42:
  mov    -0x8(%rbp),%rax
  cmp    -0x18(%rbp),%rax
  jb     L12
  mov    -0x8(%rbp),%rax
  jmp    L15
L12:
  mov    $0x0,%eax
L15:
  leave
  ret
```

assistant: ```c
wchar_t *wcsrchr(const wchar_t *s, wchar_t c) {
  const wchar_t *p;
  for (p = s + wcslen(s); p >= s && *p != c; p--)
    ;
  return p >= s ? (wchar_t *)p : 0;
}
```
user: What is the c source code of the assembly code below:

```asm
<wcsrchr>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbx
  mov    %rsi,%rbp
  call   <wcslen@plt>
  cltq
  lea    (%rbx,%rax,8),%rax
  cmp    %rax,%rbx
  ja     L13
L24:
  cmp    %rbp,(%rax)
  je     L44
  sub    $0x8,%rax
  cmp    %rax,%rbx
  jbe    L24
  mov    $0x0,%eax
  jmp    L0
L13:
  mov    $0x0,%eax
  jmp    L0
L44:
  cmp    %rax,%rbx
  ja     L34
L0:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
L34:
  mov    $0x0,%eax
  jmp    L0
```

assistant: ```c
wchar_t *wcsrchr(const wchar_t *s, wchar_t c) {
  const wchar_t *p;
  for (p = s + wcslen(s); p >= s && *p != c; p--)
    ;
  return p >= s ? (wchar_t *)p : 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
<wcsrchr>:
  endbr64
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x8,%rsp
  call   <wcslen@plt>
  cltq
  lea    (%rbx,%rax,8),%rax
  cmp    %rax,%rbx
  jbe    L22
  jmp    L44
  nopw   0x0(%rax,%rax,1)
L30:
  sub    $0x8,%rax
  cmp    %rax,%rbx
  ja     L44
L22:
  cmp    %rbp,(%rax)
  jne    L30
  cmp    %rax,%rbx
  ja     L44
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
  nopw   0x0(%rax,%rax,1)
L44:
  add    $0x8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
wchar_t *wcsrchr(const wchar_t *s, wchar_t c) {
  const wchar_t *p;
  for (p = s + wcslen(s); p >= s && *p != c; p--)
    ;
  return p >= s ? (wchar_t *)p : 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<wcsrchr>:
  endbr64
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x8,%rsp
  call   <wcslen@plt>
  cltq
  lea    (%rbx,%rax,8),%rax
  cmp    %rax,%rbx
  jbe    L1
  jmp    L14
  nopw   0x0(%rax,%rax,1)
L12:
  sub    $0x8,%rax
  cmp    %rax,%rbx
  ja     L14
L1:
  cmp    %rbp,(%rax)
  jne    L12
  cmp    %rax,%rbx
  ja     L14
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
  nopw   0x0(%rax,%rax,1)
L14:
  add    $0x8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
wchar_t *wcsrchr(const wchar_t *s, wchar_t c) {
  const wchar_t *p;
  for (p = s + wcslen(s); p >= s && *p != c; p--)
    ;
  return p >= s ? (wchar_t *)p : 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<set_umask>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0x10(%rbp),%rcx
  mov    -0x28(%rbp),%rax
  mov    $0x8,%edx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strtoul@plt>
  mov    %eax,-0x18(%rbp)
  mov    -0x10(%rbp),%rax
  test   %rax,%rax
  je     L18
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L32
L18:
  mov    D15(%rip),%rax
  mov    (%rax),%edx
  mov    D8(%rip),%rax
  mov    %edx,(%rax)
  mov    $0xffffffff,%eax
  jmp    L8
L32:
  mov    -0x18(%rbp),%eax
  mov    %eax,%edi
  call   <umask@plt>
  mov    %eax,-0x14(%rbp)
  mov    -0x14(%rbp),%eax
L8:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L36
  call   <__stack_chk_fail@plt>
L36:
  leave
  ret
```

assistant: ```c
int set_umask(char *mask_string) {
  int rc;
  unsigned mask;
  char *end;
  mask = strtoul(mask_string, &end, 8);
  if (!end || *end != '\0') {
    errno = EINVAL;
    return -1;
  }
  rc = umask(mask);
  return rc;
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<set_umask>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rsi
  mov    $0x8,%edx
  call   <strtoul@plt>
  mov    %eax,%edi
  mov    (%rsp),%rax
  test   %rax,%rax
  je     L27
  cmpb   $0x0,(%rax)
  jne    L27
  call   <umask@plt>
L10:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L15
  add    $0x18,%rsp
  ret
L27:
  mov    D15(%rip),%rax
  mov    (%rax),%edx
  mov    D17(%rip),%rax
  mov    %edx,(%rax)
  mov    $0xffffffff,%eax
  jmp    L10
L15:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int set_umask(char *mask_string) {
  int rc;
  unsigned mask;
  char *end;
  mask = strtoul(mask_string, &end, 8);
  if (!end || *end != '\0') {
    errno = EINVAL;
    return -1;
  }
  rc = umask(mask);
  return rc;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<set_umask>:
  endbr64
  sub    $0x18,%rsp
  mov    $0x8,%edx
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rsi
  call   <strtoul@plt>
  mov    %eax,%edi
  mov    (%rsp),%rax
  test   %rax,%rax
  je     L12
  cmpb   $0x0,(%rax)
  jne    L12
  call   <umask@plt>
L14:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L17
  add    $0x18,%rsp
  ret
  nop
L12:
  mov    D7(%rip),%rax
  mov    (%rax),%edx
  mov    D2(%rip),%rax
  mov    %edx,(%rax)
  mov    $0xffffffff,%eax
  jmp    L14
L17:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int set_umask(char *mask_string) {
  int rc;
  unsigned mask;
  char *end;
  mask = strtoul(mask_string, &end, 8);
  if (!end || *end != '\0') {
    errno = EINVAL;
    return -1;
  }
  rc = umask(mask);
  return rc;
}
```
user: Translate the below assembly code into C programming language:

```asm
<set_umask>:
  endbr64
  sub    $0x18,%rsp
  mov    $0x8,%edx
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rsi
  call   <strtoul@plt>
  mov    %eax,%edi
  mov    (%rsp),%rax
  test   %rax,%rax
  je     L36
  cmpb   $0x0,(%rax)
  jne    L36
  call   <umask@plt>
L6:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L28
  add    $0x18,%rsp
  ret
  nop
L36:
  mov    D3(%rip),%rax
  mov    (%rax),%edx
  mov    D18(%rip),%rax
  mov    %edx,(%rax)
  mov    $0xffffffff,%eax
  jmp    L6
L28:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int set_umask(char *mask_string) {
  int rc;
  unsigned mask;
  char *end;
  mask = strtoul(mask_string, &end, 8);
  if (!end || *end != '\0') {
    errno = EINVAL;
    return -1;
  }
  rc = umask(mask);
  return rc;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<bigint_uint_gcd>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x4(%rbp)
  mov    %esi,-0x8(%rbp)
L14:
  cmpl   $0x0,-0x4(%rbp)
  jne    L49
  mov    -0x8(%rbp),%eax
  jmp    L16
L49:
  mov    -0x8(%rbp),%eax
  mov    $0x0,%edx
  divl   -0x4(%rbp)
  mov    %edx,-0x8(%rbp)
  cmpl   $0x0,-0x8(%rbp)
  jne    L6
  mov    -0x4(%rbp),%eax
  jmp    L16
L6:
  mov    -0x4(%rbp),%eax
  mov    $0x0,%edx
  divl   -0x8(%rbp)
  mov    %edx,-0x4(%rbp)
  jmp    L14
L16:
  pop    %rbp
  ret
```

assistant: ```c
unsigned bigint_uint_gcd(unsigned a, unsigned b) {
  while (1) {
    if (!a)
      return b;
    b %= a;
    if (!b)
      return a;
    a %= b;
  }
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<bigint_uint_gcd>:
  endbr64
  test   %edi,%edi
  je     L44
  mov    %esi,%eax
  mov    $0x0,%edx
  div    %edi
  mov    %edx,%esi
  test   %edx,%edx
  je     L42
L37:
  mov    %edi,%eax
  mov    $0x0,%edx
  div    %esi
  mov    %edx,%edi
  test   %edx,%edx
  je     L44
  mov    %esi,%eax
  mov    $0x0,%edx
  div    %edi
  mov    %edx,%esi
  test   %edx,%edx
  jne    L37
  mov    %edi,%esi
L44:
  mov    %esi,%eax
  ret
L42:
  mov    %edi,%esi
  jmp    L44
```

assistant: ```c
unsigned bigint_uint_gcd(unsigned a, unsigned b) {
  while (1) {
    if (!a)
      return b;
    b %= a;
    if (!b)
      return a;
    a %= b;
  }
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<bigint_uint_gcd>:
  endbr64
  mov    %esi,%eax
  test   %edi,%edi
  jne    L34
  jmp    L31
  nopl   0x0(%rax)
L24:
  mov    %edi,%eax
  xor    %edx,%edx
  div    %r8d
  mov    %edx,%edi
  test   %edx,%edx
  je     L16
  mov    %r8d,%eax
L34:
  xor    %edx,%edx
  div    %edi
  mov    %edx,%r8d
  test   %edx,%edx
  jne    L24
  mov    %edi,%r8d
L16:
  mov    %r8d,%eax
  ret
L31:
  mov    %esi,%r8d
  jmp    L16
```

assistant: ```c
unsigned bigint_uint_gcd(unsigned a, unsigned b) {
  while (1) {
    if (!a)
      return b;
    b %= a;
    if (!b)
      return a;
    a %= b;
  }
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<bigint_uint_gcd>:
  endbr64
  mov    %esi,%eax
  test   %edi,%edi
  jne    L36
  jmp    L2
  nopl   0x0(%rax)
L40:
  mov    %edi,%eax
  xor    %edx,%edx
  div    %r8d
  mov    %edx,%edi
  test   %edx,%edx
  je     L31
  mov    %r8d,%eax
L36:
  xor    %edx,%edx
  div    %edi
  mov    %edx,%r8d
  test   %edx,%edx
  jne    L40
  mov    %edi,%r8d
L31:
  mov    %r8d,%eax
  ret
L2:
  mov    %esi,%r8d
  jmp    L31
```

assistant: ```c
unsigned bigint_uint_gcd(unsigned a, unsigned b) {
  while (1) {
    if (!a)
      return b;
    b %= a;
    if (!b)
      return a;
    a %= b;
  }
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<get_audio_channels>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    D9(%rip),%rax
  mov    (%rax),%edx
  mov    -0x18(%rbp),%rax
  mov    $0x16,%esi
  mov    %rax,%rdi
  call   <fseek@plt>
  mov    -0x18(%rbp),%rdx
  lea    -0xa(%rbp),%rax
  mov    %rdx,%rcx
  mov    $0x1,%edx
  mov    $0x2,%esi
  mov    %rax,%rdi
  call   <fread@plt>
  movzwl -0xa(%rbp),%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L0
  call   <__stack_chk_fail@plt>
L0:
  leave
  ret
```

assistant: ```c
unsigned short get_audio_channels(FILE *file) {
  unsigned short ret;
  fseek(file, 22, SEEK_SET);
  fread(&ret, 2, 1, file);
  return ret;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<get_audio_channels>:
  endbr64
  push   %rbx
  sub    $0x10,%rsp
  mov    %rdi,%rbx
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  mov    D5(%rip),%rax
  mov    (%rax),%edx
  mov    $0x16,%esi
  call   <fseek@plt>
  lea    0x6(%rsp),%rdi
  mov    %rbx,%rcx
  mov    $0x1,%edx
  mov    $0x2,%esi
  call   <fread@plt>
  movzwl 0x6(%rsp),%eax
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L5
  add    $0x10,%rsp
  pop    %rbx
  ret
L5:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
unsigned short get_audio_channels(FILE *file) {
  unsigned short ret;
  fseek(file, 22, SEEK_SET);
  fread(&ret, 2, 1, file);
  return ret;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<get_audio_channels>:
  endbr64
  push   %r12
  mov    $0x16,%esi
  mov    %rdi,%r12
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  mov    D1(%rip),%rax
  mov    (%rax),%edx
  call   <fseek@plt>
  lea    0x6(%rsp),%rdi
  mov    %r12,%rcx
  mov    $0x1,%edx
  mov    $0x2,%esi
  call   <fread@plt>
  movzwl 0x6(%rsp),%eax
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L0
  add    $0x10,%rsp
  pop    %r12
  ret
L0:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
unsigned short get_audio_channels(FILE *file) {
  unsigned short ret;
  fseek(file, 22, SEEK_SET);
  fread(&ret, 2, 1, file);
  return ret;
}
```