user: 下面的汇编指令对应的C源代码是什么：

```asm
<main>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x1000,%rsp
  orq    $0x0,(%rsp)
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x1018(%rsp)
  xor    %eax,%eax
  mov    %rsi,%rbx
  mov    %rdx,%r14
  cmp    $0x1,%edi
  jle    L37
L42:
  lea    0x10(%rsp),%r12
  mov    $0x1000,%edx
  xor    %esi,%esi
  mov    %r12,%rdi
  call   <memset@plt>
  mov    0x8(%rbx),%rsi
  mov    $0x1000,%edx
  mov    %r12,%rdi
  call   <strncpy@plt>
  xor    %eax,%eax
  call   <fork@plt>
  mov    %rax,%r13
  xor    %eax,%eax
  test   %r13,%r13
  je     L49
  call   <getpid@plt>
  mov    %r12,%rcx
  mov    %r13,%rdx
  lea    D43(%rip),%rdi
  mov    %rax,%rsi
  mov    %rax,%rbp
  xor    %eax,%eax
  call   <printf@plt>
  lea    0xc(%rsp),%rdi
  call   <wait@plt>
  mov    0xc(%rsp),%ecx
  mov    %r12,%rdx
  mov    %ebp,%esi
  lea    D3(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
L29:
  lea    D25(%rip),%rdi
  xor    %eax,%eax
  mov    %rbp,%rsi
  call   <printf@plt>
  xor    %edi,%edi
  call   <exit@plt>
  mov    0x1018(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L11
  add    $0x1020,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L49:
  call   <getpid@plt>
  mov    %r12,%rdx
  lea    D9(%rip),%rdi
  mov    %rax,%rbp
  mov    %eax,%esi
  xor    %eax,%eax
  call   <printf@plt>
  lea    0x8(%rbx),%rsi
  mov    %r14,%rdx
  mov    %r12,%rdi
  call   <execve@plt>
  mov    %r12,%rdx
  mov    %ebp,%esi
  lea    D44(%rip),%rdi
  mov    %eax,%ecx
  xor    %eax,%eax
  call   <printf@plt>
  jmp    L29
L37:
  lea    D29(%rip),%rdi
  call   <puts@plt>
  mov    $0x1,%edi
  call   <exit@plt>
  jmp    L42
L11:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: tag: D43
type_guessed: string
name: extract_symbolic_data
arguments: tag: D3
type_guessed: string
name: extract_symbolic_data
arguments: tag: D25
type_guessed: string
name: extract_symbolic_data
arguments: tag: D9
type_guessed: string
name: extract_symbolic_data
arguments: tag: D44
type_guessed: string
name: extract_symbolic_data
arguments: tag: D29
type_guessed: string

tool: D43: pid: %d -- I forked pid: %d for: %s


tool: D3: pid: %d -- %s has completed with status: %d


tool: D25: pid: %d -- I am exiting


tool: D9: pid: %d -- I am the child and I am going to exec %s


tool: D44: pid: %d -- execve of %s failed with error %d


tool: D29: must specify file name as first argument

assistant: ```c
int main(int argc, char **argv, char **envp) {
  pid_t child_id;
  pid_t my_id;
  int child_status;
  int i;
  char file_name[4096];
  int err;
  if (argc < 2) {
    printf("must specify file name as first argument\n");
    exit(1);
  }
  memset(file_name, 0, sizeof(file_name));
  strncpy(file_name, argv[1], sizeof(file_name));
  child_id = fork();
  if (child_id != 0) {
    my_id = getpid();
    printf("pid: %d -- I forked pid: %d for: %s\n", my_id, child_id, file_name);
    wait(&child_status);
    printf("pid: %d -- %s has completed with status: %d\n", (int)my_id, file_name, child_status);
  } else {
    my_id = getpid();
    printf("pid: %d -- I am the child and I am going to exec %s\n", (int)my_id, file_name);
    err = execve(file_name, &(argv[1]), envp);
    printf("pid: %d -- execve of %s failed with error %d\n", (int)my_id, file_name, err);
  }
  printf("pid: %d -- I am exiting\n", my_id);
  exit(0);
}
```