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
<main>:
  endbr64
  push   %rbx
  lea    D17(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x0,%esi
  lea    D14(%rip),%rbx
  mov    %rbx,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    D4(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0xffffffff,%esi
  mov    %rbx,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    D20(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x1,%esi
  mov    %rbx,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    D56(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x1,%esi
  mov    %rbx,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    D8(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0xffffffff,%esi
  mov    %rbx,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    D15(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x1,%esi
  mov    %rbx,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x0,%eax
  pop    %rbx
  ret
```

tool_calls: name: disassemble_data
arguments: label: D17
datatype: string
name: disassemble_data
arguments: label: D14
datatype: string
name: disassemble_data
arguments: label: D4
datatype: string
name: disassemble_data
arguments: label: D20
datatype: string
name: disassemble_data
arguments: label: D56
datatype: string
name: disassemble_data
arguments: label: D8
datatype: string
name: disassemble_data
arguments: label: D15
datatype: string

tool: D17: strcmp("A", "A") is 

tool: D14: %d


tool: D4: strcmp("A", "B") is 

tool: D20: strcmp("B", "A") is 

tool: D56: strcmp("C", "A") is 

tool: D8: strcmp("Z", "a") is 

tool: D15: strcmp("apples", "apple") is 

assistant: ```c
int main(void) {
  printf("strcmp(\"A\", \"A\") is ");
  printf("%d\n", strcmp("A", "A"));
  printf("strcmp(\"A\", \"B\") is ");
  printf("%d\n", strcmp("A", "B"));
  printf("strcmp(\"B\", \"A\") is ");
  printf("%d\n", strcmp("B", "A"));
  printf("strcmp(\"C\", \"A\") is ");
  printf("%d\n", strcmp("C", "A"));
  printf("strcmp(\"Z\", \"a\") is ");
  printf("%d\n", strcmp("Z", "a"));
  printf("strcmp(\"apples\", \"apple\") is ");
  printf("%d\n", strcmp("apples", "apple"));
  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    D59(%rip),%rdi
  lea    D23(%rip),%rbp
  xor    %eax,%eax
  call   <printf@plt>
  xor    %esi,%esi
  mov    %rbp,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  lea    D60(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    $0xffffffff,%esi
  mov    %rbp,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  lea    D54(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    $0x1,%esi
  mov    %rbp,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  lea    D65(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    $0x1,%esi
  mov    %rbp,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  lea    D10(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    $0xffffffff,%esi
  mov    %rbp,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  lea    D28(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    %rbp,%rdi
  mov    $0x1,%esi
  xor    %eax,%eax
  call   <printf@plt>
  xor    %eax,%eax
  pop    %rbp
  ret
```

tool_calls: name: unpack_data
arguments: label: D59
data_type: string
name: unpack_data
arguments: label: D23
data_type: string
name: unpack_data
arguments: label: D60
data_type: string
name: unpack_data
arguments: label: D54
data_type: string
name: unpack_data
arguments: label: D65
data_type: string
name: unpack_data
arguments: label: D10
data_type: string
name: unpack_data
arguments: label: D28
data_type: string

tool: D59: strcmp("A", "A") is 

tool: D23: %d


tool: D60: strcmp("A", "B") is 

tool: D54: strcmp("B", "A") is 

tool: D65: strcmp("C", "A") is 

tool: D10: strcmp("Z", "a") is 

tool: D28: strcmp("apples", "apple") is 

assistant: ```c
int main(void) {
  printf("strcmp(\"A\", \"A\") is ");
  printf("%d\n", strcmp("A", "A"));
  printf("strcmp(\"A\", \"B\") is ");
  printf("%d\n", strcmp("A", "B"));
  printf("strcmp(\"B\", \"A\") is ");
  printf("%d\n", strcmp("B", "A"));
  printf("strcmp(\"C\", \"A\") is ");
  printf("%d\n", strcmp("C", "A"));
  printf("strcmp(\"Z\", \"a\") is ");
  printf("%d\n", strcmp("Z", "a"));
  printf("strcmp(\"apples\", \"apple\") is ");
  printf("%d\n", strcmp("apples", "apple"));
  return 0;
}
```
user: What is the c source code of the assembly code below:

```asm
<main>:
  endbr64
  push   %rbp
  lea    D40(%rip),%rdi
  lea    D62(%rip),%rbp
  xor    %eax,%eax
  call   <printf@plt>
  xor    %esi,%esi
  mov    %rbp,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  lea    D25(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    $0xffffffff,%esi
  mov    %rbp,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  lea    D21(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    $0x1,%esi
  mov    %rbp,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  lea    D29(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    $0x1,%esi
  mov    %rbp,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  lea    D10(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    $0xffffffff,%esi
  mov    %rbp,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  lea    D26(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    %rbp,%rdi
  mov    $0x1,%esi
  xor    %eax,%eax
  call   <printf@plt>
  xor    %eax,%eax
  pop    %rbp
  ret
```

tool_calls: name: unpack_data
arguments: data_tag: D40
type: string
name: unpack_data
arguments: data_tag: D62
type: string
name: unpack_data
arguments: data_tag: D25
type: string
name: unpack_data
arguments: data_tag: D21
type: string
name: unpack_data
arguments: data_tag: D29
type: string
name: unpack_data
arguments: data_tag: D10
type: string
name: unpack_data
arguments: data_tag: D26
type: string

tool: D40: strcmp("A", "A") is 

tool: D62: %d


tool: D25: strcmp("A", "B") is 

tool: D21: strcmp("B", "A") is 

tool: D29: strcmp("C", "A") is 

tool: D10: strcmp("Z", "a") is 

tool: D26: strcmp("apples", "apple") is 

assistant: ```c
int main(void) {
  printf("strcmp(\"A\", \"A\") is ");
  printf("%d\n", strcmp("A", "A"));
  printf("strcmp(\"A\", \"B\") is ");
  printf("%d\n", strcmp("A", "B"));
  printf("strcmp(\"B\", \"A\") is ");
  printf("%d\n", strcmp("B", "A"));
  printf("strcmp(\"C\", \"A\") is ");
  printf("%d\n", strcmp("C", "A"));
  printf("strcmp(\"Z\", \"a\") is ");
  printf("%d\n", strcmp("Z", "a"));
  printf("strcmp(\"apples\", \"apple\") is ");
  printf("%d\n", strcmp("apples", "apple"));
  return 0;
}
```
user: Translate the below assembly code into C programming language:

```asm
<current_time>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0x20(%rbp),%rax
  mov    $0x0,%esi
  mov    %rax,%rdi
  call   <gettimeofday@plt>
  mov    -0x18(%rbp),%rax
  pxor   %xmm1,%xmm1
  cvtsi2sd %rax,%xmm1
  mov    -0x20(%rbp),%rax
  pxor   %xmm0,%xmm0
  cvtsi2sd %rax,%xmm0
  movsd  D9(%rip),%xmm2
  divsd  %xmm2,%xmm0
  addsd  %xmm1,%xmm0
  movq   %xmm0,%rax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L2
  call   <__stack_chk_fail@plt>
L2:
  movq   %rax,%xmm0
  leave
  ret
```

tool_calls: name: read_data
arguments: data_tag: D9
type_guessed: byte[8]

tool: {"D9": [0x00,0x00,0x00,0x00,0x80,0x84,0x2e,0x41]}

assistant: ```c
double current_time() {
  struct timeval tv;
  gettimeofday(&tv, 0);
  return (double)tv.tv_sec + (double)tv.tv_usec / 1000000;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<current_time>:
  endbr64
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rdi
  mov    $0x0,%esi
  call   <gettimeofday@plt>
  pxor   %xmm0,%xmm0
  cvtsi2sdq (%rsp),%xmm0
  divsd  D7(%rip),%xmm0
  pxor   %xmm1,%xmm1
  cvtsi2sdq 0x8(%rsp),%xmm1
  addsd  %xmm1,%xmm0
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L1
  add    $0x28,%rsp
  ret
L1:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: data_tag: D7
data_type: byte[8]

tool: {"D7": [0x00,0x00,0x00,0x00,0x80,0x84,0x2e,0x41]}

assistant: ```c
double current_time() {
  struct timeval tv;
  gettimeofday(&tv, 0);
  return (double)tv.tv_sec + (double)tv.tv_usec / 1000000;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<current_time>:
  endbr64
  sub    $0x28,%rsp
  xor    %esi,%esi
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rdi
  call   <gettimeofday@plt>
  pxor   %xmm1,%xmm1
  pxor   %xmm0,%xmm0
  cvtsi2sdq 0x8(%rsp),%xmm1
  cvtsi2sdq (%rsp),%xmm0
  divsd  D4(%rip),%xmm0
  addsd  %xmm1,%xmm0
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L5
  add    $0x28,%rsp
  ret
L5:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: label: D4
type_infered: byte[8]

tool: {"D4": [0x00,0x00,0x00,0x00,0x80,0x84,0x2e,0x41]}

assistant: ```c
double current_time() {
  struct timeval tv;
  gettimeofday(&tv, 0);
  return (double)tv.tv_sec + (double)tv.tv_usec / 1000000;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<current_time>:
  endbr64
  sub    $0x28,%rsp
  xor    %esi,%esi
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rdi
  call   <gettimeofday@plt>
  pxor   %xmm1,%xmm1
  pxor   %xmm0,%xmm0
  cvtsi2sdq 0x8(%rsp),%xmm1
  cvtsi2sdq (%rsp),%xmm0
  divsd  D7(%rip),%xmm0
  addsd  %xmm1,%xmm0
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L5
  add    $0x28,%rsp
  ret
L5:
  call   <__stack_chk_fail@plt>
```

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

tool: {"D7": [0x00,0x00,0x00,0x00,0x80,0x84,0x2e,0x41]}

assistant: ```c
double current_time() {
  struct timeval tv;
  gettimeofday(&tv, 0);
  return (double)tv.tv_sec + (double)tv.tv_usec / 1000000;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<suprabhat>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  mov    %rax,%rsi
  lea    D13(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0x2,%edi
  call   <sleep@plt>
  mov    -0x8(%rbp),%rax
  mov    %rax,%rsi
  lea    D18(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0x0,%edi
  call   <pthread_exit@plt>
  nop
  leave
  ret
```

tool_calls: name: parse_data
arguments: label: D13
data_type: string
name: parse_data
arguments: label: D18
data_type: string

tool: D13: Suprabhat, thread #%ld!


tool: D18: Dhanyawad, thread #%ld!


assistant: ```c
void *suprabhat(void *threadid) {
  long tid;
  tid = (long)threadid;
  printf("Suprabhat, thread #%ld!\n", tid);
  sleep(2);
  printf("Dhanyawad, thread #%ld!\n", tid);
  pthread_exit(NULL);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<suprabhat>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  mov    %rdi,%rsi
  lea    D3(%rip),%rdi
  call   <printf@plt>
  mov    $0x2,%edi
  call   <sleep@plt>
  mov    %rbx,%rsi
  lea    D0(%rip),%rdi
  call   <printf@plt>
  mov    $0x0,%edi
  call   <pthread_exit@plt>
  pop    %rbx
  ret
```

tool_calls: name: retrieve_data
arguments: data_label: D3
type_guessed: string
name: retrieve_data
arguments: data_label: D0
type_guessed: string

tool: D3: Suprabhat, thread #%ld!


tool: D0: Dhanyawad, thread #%ld!


assistant: ```c
void *suprabhat(void *threadid) {
  long tid;
  tid = (long)threadid;
  printf("Suprabhat, thread #%ld!\n", tid);
  sleep(2);
  printf("Dhanyawad, thread #%ld!\n", tid);
  pthread_exit(NULL);
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<suprabhat>:
  endbr64
  push   %rbp
  mov    %rdi,%rsi
  mov    %rdi,%rbp
  lea    D0(%rip),%rdi
  call   <printf@plt>
  mov    $0x2,%edi
  call   <sleep@plt>
  mov    %rbp,%rsi
  lea    D4(%rip),%rdi
  call   <printf@plt>
  xor    %edi,%edi
  call   <pthread_exit@plt>
  pop    %rbp
  ret
```

tool_calls: name: read_data
arguments: label: D0
type: string
name: read_data
arguments: label: D4
type: string

tool: D0: Suprabhat, thread #%ld!


tool: D4: Dhanyawad, thread #%ld!


assistant: ```c
void *suprabhat(void *threadid) {
  long tid;
  tid = (long)threadid;
  printf("Suprabhat, thread #%ld!\n", tid);
  sleep(2);
  printf("Dhanyawad, thread #%ld!\n", tid);
  pthread_exit(NULL);
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<suprabhat>:
  endbr64
  push   %rbp
  mov    %rdi,%rsi
  mov    %rdi,%rbp
  lea    D14(%rip),%rdi
  call   <printf@plt>
  mov    $0x2,%edi
  call   <sleep@plt>
  mov    %rbp,%rsi
  lea    D1(%rip),%rdi
  call   <printf@plt>
  xor    %edi,%edi
  call   <pthread_exit@plt>
  pop    %rbp
  ret
```

tool_calls: name: parse_data
arguments: label: D14
type_guessed: string
name: parse_data
arguments: label: D1
type_guessed: string

tool: D14: Suprabhat, thread #%ld!


tool: D1: Dhanyawad, thread #%ld!


assistant: ```c
void *suprabhat(void *threadid) {
  long tid;
  tid = (long)threadid;
  printf("Suprabhat, thread #%ld!\n", tid);
  sleep(2);
  printf("Dhanyawad, thread #%ld!\n", tid);
  pthread_exit(NULL);
}
```
user: 请从给定的汇编指令推导出C源代码：

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

tool_calls: name: disassemble_data
arguments: label: D6
type_infered: string

tool: D6: -i <ip address/hostname>   server to connect to (default: localhost)
-p <port number>              port number to connect to (default: 4242)
-m <message>                  message to send (default: hello)
-c <number of messages>      (default: 1)
-n <number of threads>       (default: 1)


assistant: ```c
void usage(void) {
  printf("-i <ip address/hostname>   server to connect to (default: localhost)\n"
         "-p <port number>              port number to connect to (default: 4242)\n"
         "-m <message>                  message to send (default: hello)\n"
         "-c <number of messages>      (default: 1)\n"
         "-n <number of threads>       (default: 1)\n");
  return;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<usage>:
  endbr64
  sub    $0x8,%rsp
  lea    D6(%rip),%rdi
  call   <printf@plt>
  add    $0x8,%rsp
  ret
```

tool_calls: name: extract_symbolic_data
arguments: tag: D6
type_infered: string

tool: D6: -i <ip address/hostname>   server to connect to (default: localhost)
-p <port number>              port number to connect to (default: 4242)
-m <message>                  message to send (default: hello)
-c <number of messages>      (default: 1)
-n <number of threads>       (default: 1)


assistant: ```c
void usage(void) {
  printf("-i <ip address/hostname>   server to connect to (default: localhost)\n"
         "-p <port number>              port number to connect to (default: 4242)\n"
         "-m <message>                  message to send (default: hello)\n"
         "-c <number of messages>      (default: 1)\n"
         "-n <number of threads>       (default: 1)\n");
  return;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<usage>:
  endbr64
  lea    D9(%rip),%rdi
  jmp    1050 <printf@plt>
```

tool_calls: name: parse_data
arguments: label: D9
type: string

tool: D9: -i <ip address/hostname>   server to connect to (default: localhost)
-p <port number>              port number to connect to (default: 4242)
-m <message>                  message to send (default: hello)
-c <number of messages>      (default: 1)
-n <number of threads>       (default: 1)


assistant: ```c
void usage(void) {
  printf("-i <ip address/hostname>   server to connect to (default: localhost)\n"
         "-p <port number>              port number to connect to (default: 4242)\n"
         "-m <message>                  message to send (default: hello)\n"
         "-c <number of messages>      (default: 1)\n"
         "-n <number of threads>       (default: 1)\n");
  return;
}
```
user: What is the c source code of the assembly code below:

```asm
<usage>:
  endbr64
  lea    D6(%rip),%rdi
  jmp    1050 <printf@plt>
```

tool_calls: name: parse_data
arguments: data_label: D6
type_infered: string

tool: D6: -i <ip address/hostname>   server to connect to (default: localhost)
-p <port number>              port number to connect to (default: 4242)
-m <message>                  message to send (default: hello)
-c <number of messages>      (default: 1)
-n <number of threads>       (default: 1)


assistant: ```c
void usage(void) {
  printf("-i <ip address/hostname>   server to connect to (default: localhost)\n"
         "-p <port number>              port number to connect to (default: 4242)\n"
         "-m <message>                  message to send (default: hello)\n"
         "-c <number of messages>      (default: 1)\n"
         "-n <number of threads>       (default: 1)\n");
  return;
}
```
user: What is the c source code of the assembly code below?

```asm
<_system>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  call   <fork@plt>
  mov    %eax,-0xc(%rbp)
  cmpl   $0x0,-0xc(%rbp)
  jne    L61
  mov    $0xffffffff,%edi
  call   <exit@plt>
  jmp    L23
L61:
  cmpl   $0x0,-0xc(%rbp)
  jns    L23
  mov    $0xffffffff,%eax
  jmp    L55
L23:
  lea    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <wait@plt>
  mov    -0x10(%rbp),%eax
  mov    %eax,%edi
  call   <WIFEXITED@plt>
  test   %rax,%rax
  je     L31
  mov    -0x10(%rbp),%eax
  mov    %eax,%edi
  call   <WEXITSTATUS@plt>
  jmp    L55
L31:
  mov    $0xffffffff,%eax
L55:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L21
  call   <__stack_chk_fail@plt>
L21:
  leave
  ret
```

assistant: ```c
int _system(const char *path) {
  int pid, st;
  if ((pid = fork()) == 0) {
    exit(-1);
  } else if (pid < 0)
    return -1;
  wait(&st);
  if (WIFEXITED(st))
    return WEXITSTATUS(st);
  else
    return -1;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<_system>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  call   <fork@plt>
  test   %eax,%eax
  je     L35
  js     L15
L52:
  lea    0x4(%rsp),%rdi
  call   <wait@plt>
  mov    0x4(%rsp),%edi
  call   <WIFEXITED@plt>
  test   %rax,%rax
  je     L37
  mov    0x4(%rsp),%edi
  call   <WEXITSTATUS@plt>
L42:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L17
  add    $0x18,%rsp
  ret
L35:
  mov    $0xffffffff,%edi
  call   <exit@plt>
  jmp    L52
L15:
  mov    $0xffffffff,%eax
  jmp    L42
L37:
  mov    $0xffffffff,%eax
  jmp    L42
L17:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int _system(const char *path) {
  int pid, st;
  if ((pid = fork()) == 0) {
    exit(-1);
  } else if (pid < 0)
    return -1;
  wait(&st);
  if (WIFEXITED(st))
    return WEXITSTATUS(st);
  else
    return -1;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<_system>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  call   <fork@plt>
  test   %eax,%eax
  je     L23
  js     L17
L43:
  lea    0x4(%rsp),%rdi
  call   <wait@plt>
  mov    0x4(%rsp),%edi
  call   <WIFEXITED@plt>
  test   %rax,%rax
  je     L17
  mov    0x4(%rsp),%edi
  call   <WEXITSTATUS@plt>
L53:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L59
  add    $0x18,%rsp
  ret
  nopl   0x0(%rax)
L23:
  mov    $0xffffffff,%edi
  call   <exit@plt>
  jmp    L43
  nopl   0x0(%rax)
L17:
  mov    $0xffffffff,%eax
  jmp    L53
L59:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int _system(const char *path) {
  int pid, st;
  if ((pid = fork()) == 0) {
    exit(-1);
  } else if (pid < 0)
    return -1;
  wait(&st);
  if (WIFEXITED(st))
    return WEXITSTATUS(st);
  else
    return -1;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<_system>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  call   <fork@plt>
  test   %eax,%eax
  je     L44
  js     L58
L9:
  lea    0x4(%rsp),%rdi
  call   <wait@plt>
  mov    0x4(%rsp),%edi
  call   <WIFEXITED@plt>
  test   %rax,%rax
  je     L58
  mov    0x4(%rsp),%edi
  call   <WEXITSTATUS@plt>
L24:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L2
  add    $0x18,%rsp
  ret
  nopl   0x0(%rax)
L44:
  mov    $0xffffffff,%edi
  call   <exit@plt>
  jmp    L9
  nopl   0x0(%rax)
L58:
  mov    $0xffffffff,%eax
  jmp    L24
L2:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int _system(const char *path) {
  int pid, st;
  if ((pid = fork()) == 0) {
    exit(-1);
  } else if (pid < 0)
    return -1;
  wait(&st);
  if (WIFEXITED(st))
    return WEXITSTATUS(st);
  else
    return -1;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<__edivm>:
  endbr64
  push   %r15
  push   %r14
  mov    %rdi,%r14
  mov    %rsi,%rdi
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x58,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x48(%rsp)
  mov    (%rsi),%eax
  lea    0x14(%rsp),%r12
  lea    0x22(%rsp),%r15
  movq   $0x0,0x14(%rsp)
  movl   $0x0,0x1c(%rsp)
  lea    0x30(%rsp),%rbp
  mov    %eax,0x10(%rsp)
  xor    %eax,%eax
  mov    %ax,0x20(%rsp)
  call   <__eshdn1@plt>
  movzwl 0x6(%r14),%ecx
  mov    %rcx,%rax
  mov    %rcx,0x8(%rsp)
  shl    $0x10,%rax
  sub    %rcx,%rax
  mov    %rax,(%rsp)
  jmp    L50
  nopl   (%rax)
L91:
  xor    %edx,%edx
  divq   0x8(%rsp)
  mov    %eax,%r13d
  movzwl %ax,%edi
L81:
  mov    %r14,%rsi
  mov    %rbp,%rdx
  call   <__m16m@plt>
  mov    %rbx,%rsi
  mov    %rbp,%rdi
  call   <__ecmpm@plt>
  test   %rax,%rax
  jg     L59
L33:
  mov    %rbx,%rsi
  mov    %rbp,%rdi
  add    $0x2,%r12
  call   <__esubm@plt>
  mov    %rbx,%rdi
  mov    %r13w,-0x2(%r12)
  call   <__eshup6@plt>
  cmp    %r12,%r15
  je     L2
L50:
  movzwl 0x4(%rbx),%eax
  movzwl 0x6(%rbx),%edx
  shl    $0x10,%rax
  add    %rdx,%rax
  cmp    %rax,(%rsp)
  jae    L91
  mov    $0xffff,%edi
  mov    $0xffffffff,%r13d
  jmp    L81
  nopl   0x0(%rax)
L59:
  mov    %rbp,%rsi
  mov    %r14,%rdi
  call   <__esubm@plt>
  mov    %rbx,%rsi
  mov    %rbp,%rdi
  call   <__ecmpm@plt>
  test   %rax,%rax
  jg     L96
  sub    $0x1,%r13d
  jmp    L33
  nopl   0x0(%rax)
L96:
  mov    %rbp,%rsi
  mov    %r14,%rdi
  sub    $0x2,%r13d
  call   <__esubm@plt>
  jmp    L33
  nopl   0x0(%rax)
L2:
  lea    0x4(%rbx),%rax
  lea    0x12(%rbx),%rcx
  xor    %edx,%edx
  nopw   0x0(%rax,%rax,1)
L52:
  add    $0x2,%rax
  or     -0x2(%rax),%dx
  cmp    %rcx,%rax
  jne    L52
  movzwl 0x20(%rsp),%eax
  movdqa 0x10(%rsp),%xmm0
  mov    %ax,0x10(%rbx)
  xor    %eax,%eax
  test   %dx,%dx
  movups %xmm0,(%rbx)
  setne  %al
  mov    0x48(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L24
  add    $0x58,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L24:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int __edivm(short unsigned int *den, short unsigned int *num) {
  int i;
  register unsigned short *p;
  unsigned long tnum;
  unsigned short j, tdenm, tquot;
  unsigned short tprod[(6 + 3) + 1];
  unsigned short equot[(6 + 3)];
  p = &equot[0];
  *p++ = num[0];
  *p++ = num[1];
  for (i = 2; i < (6 + 3); i++) {
    *p++ = 0;
  }
  __eshdn1(num);
  tdenm = den[2 + 1];
  for (i = 2; i < (6 + 3); i++) {
    tnum = (((unsigned long)num[2]) << 16) + num[2 + 1];
    if ((tdenm * 0xffffUL) < tnum)
      tquot = 0xffff;
    else
      tquot = tnum / tdenm;
    __m16m(tquot, den, tprod);
    if (__ecmpm(tprod, num) > 0) {
      tquot -= 1;
      __esubm(den, tprod);
      if (__ecmpm(tprod, num) > 0) {
        tquot -= 1;
        __esubm(den, tprod);
      }
    }
    __esubm(tprod, num);
    equot[i] = tquot;
    __eshup6(num);
  }
  p = &num[2];
  j = 0;
  for (i = 2; i < (6 + 3); i++) {
    j |= *p++;
  }
  if (j)
    j = 1;
  for (i = 0; i < (6 + 3); i++)
    num[i] = equot[i];
  return ((int)j);
}
```