ylfeng/ReF-Decompile-dataset huggingface dataset:
user: Demonstrate the C code that generates the assembly output below:

```asm
<digit_to_int>:
  endbr64
  push   %rbp
  movzbl %dil,%ebp
  mov    %ebp,%edi
  call   <isdigit@plt>
  test   %rax,%rax
  je     L4
  lea    -0x30(%rbp),%eax
  pop    %rbp
  ret
  nopw   0x0(%rax,%rax,1)
L4:
  mov    %ebp,%edi
  call   <tolower@plt>
  pop    %rbp
  movsbl %al,%eax
  sub    $0x57,%eax
  ret
```

assistant: ```c
int digit_to_int(unsigned char c) {
  if (isdigit(c))
    return c - '0';
  else
    return tolower(c) - 'a' + 10;
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<digit_to_int>:
  endbr64
  push   %rbp
  movzbl %dil,%ebp
  mov    %ebp,%edi
  call   <isdigit@plt>
  test   %rax,%rax
  je     L6
  lea    -0x30(%rbp),%eax
  pop    %rbp
  ret
  nopw   0x0(%rax,%rax,1)
L6:
  mov    %ebp,%edi
  call   <tolower@plt>
  pop    %rbp
  movsbl %al,%eax
  sub    $0x57,%eax
  ret
```

assistant: ```c
int digit_to_int(unsigned char c) {
  if (isdigit(c))
    return c - '0';
  else
    return tolower(c) - 'a' + 10;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<add_numbo>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x14(%rbp)
  mov    %esi,-0x18(%rbp)
  mov    -0x18(%rbp),%edx
  mov    -0x14(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
int add_numbo(int d, int c) {
  int sum;
  sum = c + d;
  return sum;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<add_numbo>:
  endbr64
  lea    (%rsi,%rdi,1),%eax
  ret
```

assistant: ```c
int add_numbo(int d, int c) {
  int sum;
  sum = c + d;
  return sum;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<add_numbo>:
  endbr64
  lea    (%rsi,%rdi,1),%eax
  ret
```

assistant: ```c
int add_numbo(int d, int c) {
  int sum;
  sum = c + d;
  return sum;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<add_numbo>:
  endbr64
  lea    (%rsi,%rdi,1),%eax
  ret
```

assistant: ```c
int add_numbo(int d, int c) {
  int sum;
  sum = c + d;
  return sum;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    D0(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  lea    -0xc(%rbp),%rax
  mov    %rax,%rsi
  lea    D1(%rip),%rax
  mov    %rax,%rdi
  call   <scanf@plt>
  mov    -0xc(%rbp),%eax
  and    $0x1,%eax
  test   %eax,%eax
  je     L48
  lea    D19(%rip),%rax
  jmp    L45
L48:
  lea    D9(%rip),%rax
L45:
  mov    -0xc(%rbp),%ecx
  mov    %rax,%rdx
  mov    %ecx,%esi
  lea    D43(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    -0xc(%rbp),%eax
  and    $0x1,%eax
  test   %eax,%eax
  je     L11
  lea    D19(%rip),%rax
  jmp    L1
L11:
  lea    D9(%rip),%rax
L1:
  mov    -0xc(%rbp),%ecx
  mov    %rax,%rdx
  mov    %ecx,%esi
  lea    D41(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L13
  call   <__stack_chk_fail@plt>
L13:
  leave
  ret
```

tool_calls: name: read_data
arguments: data_label: D0
type_infered: string
name: read_data
arguments: data_label: D1
type_infered: string
name: read_data
arguments: data_label: D19
type_infered: string
name: read_data
arguments: data_label: D9
type_infered: string
name: read_data
arguments: data_label: D43
type_infered: string
name: read_data
arguments: data_label: D41
type_infered: string

tool: D0: Enter a +ve integer:

tool: D1:  %d%*c

tool: D19: odd

tool: D9: even

tool: D43: Bit Shift   : %d is %s.


tool: D41: Bitwise And : %d is %s.


assistant: ```c
int main() {
  unsigned n;
  printf("Enter a +ve integer:\n");
  scanf(" %d%*c", &n);
  printf("Bit Shift   : %d is %s.\n", n, n - (n >> 1 << 1) ? "odd" : "even");
  printf("Bitwise And : %d is %s.\n", n, n & 1 ? "odd" : "even");
  return 0;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<main>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    D2(%rip),%rdi
  call   <puts@plt>
  lea    0x4(%rsp),%rsi
  lea    D66(%rip),%rdi
  call   <scanf@plt>
  mov    0x4(%rsp),%esi
  test   $0x1,%sil
  lea    D68(%rip),%rdx
  lea    D72(%rip),%rax
  cmove  %rax,%rdx
  lea    D0(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    0x4(%rsp),%esi
  test   $0x1,%sil
  lea    D68(%rip),%rdx
  lea    D72(%rip),%rax
  cmove  %rax,%rdx
  lea    D63(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L8
  mov    $0x0,%eax
  add    $0x18,%rsp
  ret
L8:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: label: D2
type_guessed: string
name: read_data
arguments: label: D66
type_guessed: string
name: read_data
arguments: label: D68
type_guessed: string
name: read_data
arguments: label: D72
type_guessed: string
name: read_data
arguments: label: D0
type_guessed: string
name: read_data
arguments: label: D63
type_guessed: string

tool: D2: Enter a +ve integer:

tool: D66:  %d%*c

tool: D68: odd

tool: D72: even

tool: D0: Bit Shift   : %d is %s.


tool: D63: Bitwise And : %d is %s.


assistant: ```c
int main() {
  unsigned n;
  printf("Enter a +ve integer:\n");
  scanf(" %d%*c", &n);
  printf("Bit Shift   : %d is %s.\n", n, n - (n >> 1 << 1) ? "odd" : "even");
  printf("Bitwise And : %d is %s.\n", n, n & 1 ? "odd" : "even");
  return 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
<main>:
  endbr64
  push   %rbp
  lea    D5(%rip),%rdi
  lea    D30(%rip),%rbp
  push   %rbx
  lea    D24(%rip),%rbx
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  call   <puts@plt>
  lea    0x4(%rsp),%rsi
  lea    D17(%rip),%rdi
  call   <scanf@plt>
  mov    0x4(%rsp),%esi
  mov    %rbp,%rdx
  lea    D3(%rip),%rdi
  test   $0x1,%sil
  cmovne %rbx,%rdx
  xor    %eax,%eax
  call   <printf@plt>
  mov    0x4(%rsp),%esi
  mov    %rbp,%rdx
  lea    D18(%rip),%rdi
  test   $0x1,%sil
  cmovne %rbx,%rdx
  xor    %eax,%eax
  call   <printf@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L4
  add    $0x18,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  ret
L4:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: label: D5
datatype: string
name: retrieve_data
arguments: label: D30
datatype: string
name: retrieve_data
arguments: label: D24
datatype: string
name: retrieve_data
arguments: label: D17
datatype: string
name: retrieve_data
arguments: label: D3
datatype: string
name: retrieve_data
arguments: label: D18
datatype: string

tool: D5: Enter a +ve integer:

tool: D30: even

tool: D24: odd

tool: D17:  %d%*c

tool: D3: Bit Shift   : %d is %s.


tool: D18: Bitwise And : %d is %s.


assistant: ```c
int main() {
  unsigned n;
  printf("Enter a +ve integer:\n");
  scanf(" %d%*c", &n);
  printf("Bit Shift   : %d is %s.\n", n, n - (n >> 1 << 1) ? "odd" : "even");
  printf("Bitwise And : %d is %s.\n", n, n & 1 ? "odd" : "even");
  return 0;
}
```
user: What is the c source code of the assembly code below?

```asm
<main>:
  endbr64
  push   %rbp
  lea    D49(%rip),%rdi
  lea    D30(%rip),%rbp
  push   %rbx
  lea    D51(%rip),%rbx
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  call   <puts@plt>
  lea    0x4(%rsp),%rsi
  lea    D19(%rip),%rdi
  call   <scanf@plt>
  mov    0x4(%rsp),%esi
  mov    %rbp,%rdx
  lea    D38(%rip),%rdi
  test   $0x1,%sil
  cmovne %rbx,%rdx
  xor    %eax,%eax
  call   <printf@plt>
  mov    0x4(%rsp),%esi
  mov    %rbp,%rdx
  lea    D54(%rip),%rdi
  test   $0x1,%sil
  cmovne %rbx,%rdx
  xor    %eax,%eax
  call   <printf@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L4
  add    $0x18,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  ret
L4:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: data_tag: D49
type: string
name: extract_symbolic_data
arguments: data_tag: D30
type: string
name: extract_symbolic_data
arguments: data_tag: D51
type: string
name: extract_symbolic_data
arguments: data_tag: D19
type: string
name: extract_symbolic_data
arguments: data_tag: D38
type: string
name: extract_symbolic_data
arguments: data_tag: D54
type: string

tool: D49: Enter a +ve integer:

tool: D30: even

tool: D51: odd

tool: D19:  %d%*c

tool: D38: Bit Shift   : %d is %s.


tool: D54: Bitwise And : %d is %s.


assistant: ```c
int main() {
  unsigned n;
  printf("Enter a +ve integer:\n");
  scanf(" %d%*c", &n);
  printf("Bit Shift   : %d is %s.\n", n, n - (n >> 1 << 1) ? "odd" : "even");
  printf("Bitwise And : %d is %s.\n", n, n & 1 ? "odd" : "even");
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<removexattr>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    D8(%rip),%rax
  mov    (%rax),%eax
  mov    %eax,%edi
  call   <__set_errno@plt>
  mov    $0xffffffff,%eax
  leave
  ret
```

assistant: ```c
int removexattr(const char *__path, const char *__name) {
  __set_errno(ENOSYS);
  return -1;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<removexattr>:
  endbr64
  sub    $0x8,%rsp
  mov    D2(%rip),%rax
  mov    (%rax),%edi
  call   <__set_errno@plt>
  mov    $0xffffffff,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int removexattr(const char *__path, const char *__name) {
  __set_errno(ENOSYS);
  return -1;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<removexattr>:
  endbr64
  sub    $0x8,%rsp
  mov    D1(%rip),%rax
  mov    (%rax),%edi
  call   <__set_errno@plt>
  mov    $0xffffffff,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int removexattr(const char *__path, const char *__name) {
  __set_errno(ENOSYS);
  return -1;
}
```
user: What is the c source code of the assembly code below:

```asm
<removexattr>:
  endbr64
  sub    $0x8,%rsp
  mov    D9(%rip),%rax
  mov    (%rax),%edi
  call   <__set_errno@plt>
  mov    $0xffffffff,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int removexattr(const char *__path, const char *__name) {
  __set_errno(ENOSYS);
  return -1;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<outaddr32>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %edx,-0x34(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x30(%rbp),%rax
  shr    $0x2,%rax
  mov    %rax,-0x8(%rbp)
  mov    $0x1,%edi
  call   <beginblock@plt>
  movq   $0x0,-0x18(%rbp)
  jmp    L16
L9:
  mov    -0x18(%rbp),%rax
  lea    0x0(,%rax,4),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  mov    %eax,%edi
  call   <straddress@plt>
  mov    %eax,%edi
  call   <out@plt>
  addq   $0x1,-0x18(%rbp)
L16:
  mov    -0x18(%rbp),%rax
  cmp    -0x8(%rbp),%rax
  jl     L9
  mov    $0x0,%eax
  call   <endblock@plt>
  nop
  leave
  ret
```

assistant: ```c
void outaddr32(void const *ptr, long size, int ndx) {
  Elf32_Addr const *addrs = ptr;
  long count = size / sizeof *addrs;
  long i;
  (void)ndx;
  beginblock(1);
  for (i = 0; i < count; ++i)
    (out(straddress(addrs[i])));
  endblock();
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<outaddr32>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%r12
  shr    $0x2,%rsi
  mov    %rsi,%rbp
  mov    $0x1,%edi
  call   <beginblock@plt>
  test   %rbp,%rbp
  jle    L3
  mov    $0x0,%ebx
L7:
  mov    (%r12,%rbx,4),%edi
  call   <straddress@plt>
  mov    %eax,%edi
  call   <out@plt>
  add    $0x1,%rbx
  cmp    %rbx,%rbp
  jne    L7
L3:
  mov    $0x0,%eax
  call   <endblock@plt>
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
void outaddr32(void const *ptr, long size, int ndx) {
  Elf32_Addr const *addrs = ptr;
  long count = size / sizeof *addrs;
  long i;
  (void)ndx;
  beginblock(1);
  for (i = 0; i < count; ++i)
    (out(straddress(addrs[i])));
  endblock();
}
```
user: What is the c source code of the assembly code below?

```asm
<outaddr32>:
  endbr64
  push   %r12
  shr    $0x2,%rsi
  mov    %rdi,%r12
  mov    $0x1,%edi
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  call   <beginblock@plt>
  test   %rbp,%rbp
  je     L3
  xor    %ebx,%ebx
  nopl   0x0(%rax,%rax,1)
L18:
  mov    (%r12,%rbx,4),%edi
  add    $0x1,%rbx
  call   <straddress@plt>
  mov    %eax,%edi
  call   <out@plt>
  cmp    %rbx,%rbp
  jne    L18
L3:
  pop    %rbx
  xor    %eax,%eax
  pop    %rbp
  pop    %r12
  jmp    10b0 <endblock@plt>
```

assistant: ```c
void outaddr32(void const *ptr, long size, int ndx) {
  Elf32_Addr const *addrs = ptr;
  long count = size / sizeof *addrs;
  long i;
  (void)ndx;
  beginblock(1);
  for (i = 0; i < count; ++i)
    (out(straddress(addrs[i])));
  endblock();
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<outaddr32>:
  endbr64
  push   %r12
  shr    $0x2,%rsi
  mov    %rdi,%r12
  mov    $0x1,%edi
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  call   <beginblock@plt>
  test   %rbp,%rbp
  je     L16
  xor    %ebx,%ebx
  nopl   0x0(%rax,%rax,1)
L10:
  mov    (%r12,%rbx,4),%edi
  add    $0x1,%rbx
  call   <straddress@plt>
  mov    %eax,%edi
  call   <out@plt>
  cmp    %rbx,%rbp
  jne    L10
L16:
  pop    %rbx
  xor    %eax,%eax
  pop    %rbp
  pop    %r12
  jmp    10b0 <endblock@plt>
```

assistant: ```c
void outaddr32(void const *ptr, long size, int ndx) {
  Elf32_Addr const *addrs = ptr;
  long count = size / sizeof *addrs;
  long i;
  (void)ndx;
  beginblock(1);
  for (i = 0; i < count; ++i)
    (out(straddress(addrs[i])));
  endblock();
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<pcg_unique_64_xsh_rs_32_boundedrand_r>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    -0x1c(%rbp),%eax
  neg    %eax
  cltd
  idivl  -0x1c(%rbp)
  mov    %edx,-0x8(%rbp)
L2:
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <pcg_unique_64_xsh_rs_32_random_r@plt>
  mov    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  cmp    -0x8(%rbp),%eax
  jl     L2
  mov    -0x4(%rbp),%eax
  cltd
  idivl  -0x1c(%rbp)
  mov    %edx,%eax
  leave
  ret
```

assistant: ```c
uint32_t pcg_unique_64_xsh_rs_32_boundedrand_r(struct pcg_state_64 *rng, uint32_t bound) {
  uint32_t threshold = -bound % bound;
  for (;;) {
    uint32_t r = pcg_unique_64_xsh_rs_32_random_r(rng);
    if (r >= threshold)
      return r % bound;
  }
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<pcg_unique_64_xsh_rs_32_boundedrand_r>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  mov    %esi,%r12d
  mov    %esi,%eax
  neg    %eax
  cltd
  idiv   %esi
  mov    %edx,%ebp
L7:
  mov    %rbx,%rdi
  call   <pcg_unique_64_xsh_rs_32_random_r@plt>
  cmp    %eax,%ebp
  jg     L7
  cltd
  idiv   %r12d
  mov    %edx,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
uint32_t pcg_unique_64_xsh_rs_32_boundedrand_r(struct pcg_state_64 *rng, uint32_t bound) {
  uint32_t threshold = -bound % bound;
  for (;;) {
    uint32_t r = pcg_unique_64_xsh_rs_32_random_r(rng);
    if (r >= threshold)
      return r % bound;
  }
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<pcg_unique_64_xsh_rs_32_boundedrand_r>:
  endbr64
  mov    %esi,%eax
  push   %r12
  mov    %esi,%r12d
  neg    %eax
  push   %rbp
  cltd
  push   %rbx
  mov    %rdi,%rbx
  idiv   %esi
  mov    %edx,%ebp
  nopw   0x0(%rax,%rax,1)
L2:
  mov    %rbx,%rdi
  call   <pcg_unique_64_xsh_rs_32_random_r@plt>
  cmp    %eax,%ebp
  jg     L2
  cltd
  pop    %rbx
  pop    %rbp
  idiv   %r12d
  pop    %r12
  mov    %edx,%eax
  ret
```

assistant: ```c
uint32_t pcg_unique_64_xsh_rs_32_boundedrand_r(struct pcg_state_64 *rng, uint32_t bound) {
  uint32_t threshold = -bound % bound;
  for (;;) {
    uint32_t r = pcg_unique_64_xsh_rs_32_random_r(rng);
    if (r >= threshold)
      return r % bound;
  }
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<pcg_unique_64_xsh_rs_32_boundedrand_r>:
  endbr64
  mov    %esi,%eax
  push   %r12
  mov    %esi,%r12d
  neg    %eax
  push   %rbp
  cltd
  push   %rbx
  mov    %rdi,%rbx
  idiv   %esi
  mov    %edx,%ebp
  nopw   0x0(%rax,%rax,1)
L2:
  mov    %rbx,%rdi
  call   <pcg_unique_64_xsh_rs_32_random_r@plt>
  cmp    %eax,%ebp
  jg     L2
  cltd
  pop    %rbx
  pop    %rbp
  idiv   %r12d
  pop    %r12
  mov    %edx,%eax
  ret
```

assistant: ```c
uint32_t pcg_unique_64_xsh_rs_32_boundedrand_r(struct pcg_state_64 *rng, uint32_t bound) {
  uint32_t threshold = -bound % bound;
  for (;;) {
    uint32_t r = pcg_unique_64_xsh_rs_32_random_r(rng);
    if (r >= threshold)
      return r % bound;
  }
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<_get_file_size>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <ftell@plt>
  mov    %rax,-0x10(%rbp)
  cmpq   $0xffffffffffffffff,-0x10(%rbp)
  jne    L21
  mov    $0xffffffffffffffff,%rax
  jmp    L12
L21:
  mov    D11(%rip),%rax
  mov    (%rax),%edx
  mov    -0x18(%rbp),%rax
  mov    $0x0,%esi
  mov    %rax,%rdi
  call   <fseek@plt>
  test   %rax,%rax
  je     L8
  mov    $0xfffffffffffffffe,%rax
  jmp    L12
L8:
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <ftell@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0xffffffffffffffff,-0x8(%rbp)
  jne    L68
  mov    $0xfffffffffffffffd,%rax
  jmp    L12
L68:
  mov    D8(%rip),%rax
  mov    (%rax),%edx
  mov    -0x10(%rbp),%rcx
  mov    -0x18(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <fseek@plt>
  test   %rax,%rax
  je     L63
  mov    $0xfffffffffffffffc,%rax
  jmp    L12
L63:
  mov    -0x8(%rbp),%rax
L12:
  leave
  ret
```

assistant: ```c
long _get_file_size(FILE *fp) {
  long current_position = ftell(fp);
  if (current_position == -1) {
    return -1;
  }
  if (fseek(fp, 0, SEEK_END) != 0) {
    return -2;
  }
  long file_size = ftell(fp);
  if (file_size == -1) {
    return -3;
  }
  if (fseek(fp, current_position, SEEK_SET) != 0) {
    return -4;
  }
  return file_size;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<_get_file_size>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  call   <ftell@plt>
  mov    %rax,%r12
  cmp    $0xffffffffffffffff,%rax
  je     L17
  mov    D10(%rip),%rax
  mov    (%rax),%edx
  mov    $0x0,%esi
  mov    %rbx,%rdi
  call   <fseek@plt>
  test   %rax,%rax
  jne    L12
  mov    %rbx,%rdi
  call   <ftell@plt>
  mov    %rax,%rbp
  cmp    $0xffffffffffffffff,%rax
  je     L26
  mov    D6(%rip),%rax
  mov    (%rax),%edx
  mov    %r12,%rsi
  mov    %rbx,%rdi
  call   <fseek@plt>
  test   %rax,%rax
  mov    $0xfffffffffffffffc,%rax
  cmovne %rax,%rbp
L46:
  mov    %rbp,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L17:
  mov    %rax,%rbp
  jmp    L46
L12:
  mov    $0xfffffffffffffffe,%rbp
  jmp    L46
L26:
  mov    $0xfffffffffffffffd,%rbp
  jmp    L46
```

assistant: ```c
long _get_file_size(FILE *fp) {
  long current_position = ftell(fp);
  if (current_position == -1) {
    return -1;
  }
  if (fseek(fp, 0, SEEK_END) != 0) {
    return -2;
  }
  long file_size = ftell(fp);
  if (file_size == -1) {
    return -3;
  }
  if (fseek(fp, current_position, SEEK_SET) != 0) {
    return -4;
  }
  return file_size;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<_get_file_size>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  call   <ftell@plt>
  cmp    $0xffffffffffffffff,%rax
  je     L6
  mov    %rax,%r13
  mov    D0(%rip),%rax
  xor    %esi,%esi
  mov    %rbp,%rdi
  mov    (%rax),%edx
  call   <fseek@plt>
  test   %rax,%rax
  jne    L15
  mov    %rbp,%rdi
  call   <ftell@plt>
  mov    %rax,%r12
  cmp    $0xffffffffffffffff,%rax
  je     L48
  mov    D9(%rip),%rax
  mov    %r13,%rsi
  mov    %rbp,%rdi
  mov    (%rax),%edx
  call   <fseek@plt>
  test   %rax,%rax
  mov    $0xfffffffffffffffc,%rax
  cmovne %rax,%r12
L38:
  mov    %r12,%rax
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  xchg   %ax,%ax
L15:
  mov    $0xfffffffffffffffe,%r12
  jmp    L38
  nopl   0x0(%rax)
L6:
  mov    $0xffffffffffffffff,%r12
  jmp    L38
  nopl   0x0(%rax)
L48:
  mov    $0xfffffffffffffffd,%r12
  jmp    L38
```

assistant: ```c
long _get_file_size(FILE *fp) {
  long current_position = ftell(fp);
  if (current_position == -1) {
    return -1;
  }
  if (fseek(fp, 0, SEEK_END) != 0) {
    return -2;
  }
  long file_size = ftell(fp);
  if (file_size == -1) {
    return -3;
  }
  if (fseek(fp, current_position, SEEK_SET) != 0) {
    return -4;
  }
  return file_size;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<_get_file_size>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  call   <ftell@plt>
  cmp    $0xffffffffffffffff,%rax
  je     L44
  mov    %rax,%r13
  mov    D19(%rip),%rax
  xor    %esi,%esi
  mov    %rbp,%rdi
  mov    (%rax),%edx
  call   <fseek@plt>
  test   %rax,%rax
  jne    L45
  mov    %rbp,%rdi
  call   <ftell@plt>
  mov    %rax,%r12
  cmp    $0xffffffffffffffff,%rax
  je     L51
  mov    D17(%rip),%rax
  mov    %r13,%rsi
  mov    %rbp,%rdi
  mov    (%rax),%edx
  call   <fseek@plt>
  test   %rax,%rax
  mov    $0xfffffffffffffffc,%rax
  cmovne %rax,%r12
L35:
  mov    %r12,%rax
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  xchg   %ax,%ax
L45:
  mov    $0xfffffffffffffffe,%r12
  jmp    L35
  nopl   0x0(%rax)
L44:
  mov    $0xffffffffffffffff,%r12
  jmp    L35
  nopl   0x0(%rax)
L51:
  mov    $0xfffffffffffffffd,%r12
  jmp    L35
```

assistant: ```c
long _get_file_size(FILE *fp) {
  long current_position = ftell(fp);
  if (current_position == -1) {
    return -1;
  }
  if (fseek(fp, 0, SEEK_END) != 0) {
    return -2;
  }
  long file_size = ftell(fp);
  if (file_size == -1) {
    return -3;
  }
  if (fseek(fp, current_position, SEEK_SET) != 0) {
    return -4;
  }
  return file_size;
}
```