user: 这段汇编代码用C语言表示是什么样的?

```asm
<printStackTrace>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  sub    $0x48,%rsp
  mov    %rdi,-0x68(%rbp)
  mov    %esi,-0x6c(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  mov    %rsp,%rax
  mov    %rax,%rbx
  mov    -0x68(%rbp),%rax
  mov    %rax,%rcx
  mov    $0xd,%edx
  mov    $0x1,%esi
  lea    D21(%rip),%rax
  mov    %rax,%rdi
  call   <fwrite@plt>
  mov    -0x6c(%rbp),%eax
  lea    0x1(%rax),%ecx
  mov    %ecx,%eax
  sub    $0x1,%rax
  mov    %rax,-0x50(%rbp)
  mov    %ecx,%eax
  mov    %rax,%r14
  mov    $0x0,%r15d
  mov    %ecx,%eax
  mov    %rax,%r12
  mov    $0x0,%r13d
  mov    %ecx,%eax
  lea    0x0(,%rax,8),%rdx
  mov    $0x10,%eax
  sub    $0x1,%rax
  add    %rdx,%rax
  mov    $0x10,%edi
  mov    $0x0,%edx
  div    %rdi
  imul   $0x10,%rax,%rax
  mov    %rax,%rsi
  and    $0xfffffffffffff000,%rsi
  mov    %rsp,%rdx
  sub    %rsi,%rdx
L22:
  cmp    %rdx,%rsp
  je     L77
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L22
L77:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  mov    %rax,%rdx
  and    $0xfff,%edx
  test   %rdx,%rdx
  je     L7
  and    $0xfff,%eax
  sub    $0x8,%rax
  add    %rsp,%rax
  orq    $0x0,(%rax)
L7:
  mov    %rsp,%rax
  add    $0x7,%rax
  shr    $0x3,%rax
  shl    $0x3,%rax
  mov    %rax,-0x48(%rbp)
  mov    %ecx,%eax
  shl    $0x3,%rax
  shr    $0x3,%rax
  mov    %eax,%edx
  mov    -0x48(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <backtrace@plt>
  mov    %eax,-0x54(%rbp)
  cmpl   $0x0,-0x54(%rbp)
  jne    L33
  mov    -0x68(%rbp),%rax
  mov    %rax,%rcx
  mov    $0x3,%edx
  mov    $0x1,%esi
  lea    D6(%rip),%rax
  mov    %rax,%rdi
  call   <fwrite@plt>
  mov    %rbx,%rsp
  jmp    L63
L33:
  mov    -0x54(%rbp),%edx
  mov    -0x48(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <backtrace_symbols@plt>
  mov    %rax,-0x40(%rbp)
  movl   $0x4,-0x58(%rbp)
  jmp    L15
L38:
  mov    -0x58(%rbp),%eax
  lea    0x0(,%rax,8),%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x68(%rbp),%rax
  lea    D1(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <fprintf@plt>
  addl   $0x1,-0x58(%rbp)
L15:
  mov    -0x58(%rbp),%eax
  cmp    -0x54(%rbp),%eax
  jb     L38
  mov    -0x40(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    %rbx,%rsp
L63:
  mov    -0x38(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L1
  call   <__stack_chk_fail@plt>
L1:
  lea    -0x28(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
```

tool_calls: name: retrieve_data
arguments: label: D21
datatype: string
name: retrieve_data
arguments: label: D6
datatype: string
name: retrieve_data
arguments: label: D1
datatype: string

tool: D21: stack trace:


tool: D6:   


tool: D1: %s


assistant: ```c
void printStackTrace(FILE *out, unsigned int max_frames) {
  fprintf(out, "stack trace:\n");
  void *addrlist[max_frames + 1];
  unsigned int addrlen = backtrace(addrlist, sizeof(addrlist) / sizeof(void *));
  if (addrlen == 0) {
    fprintf(out, "  \n");
    return;
  }
  char **symbollist = backtrace_symbols(addrlist, addrlen);
  unsigned int i;
  for (i = 4; i < addrlen; i++)
    fprintf(out, "%s\n", symbollist[i]);
  free(symbollist);
}
```