user: 下面的汇编指令对应的C源代码是什么:

```asm
<_pst_debug_hexdump>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  mov    %ecx,-0x2c(%rbp)
  movl   $0x0,-0xc(%rbp)
  movl   $0x0,-0x8(%rbp)
  cmpl   $0xffffffff,-0x2c(%rbp)
  jne    L21
  movl   $0x1e,-0x2c(%rbp)
L21:
  mov    -0x18(%rbp),%rax
  mov    %rax,%rsi
  mov    $0xa,%edi
  call   <fputc@plt>
  jmp    L50
L108:
  mov    -0xc(%rbp),%edx
  mov    -0x18(%rbp),%rax
  lea    D19(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <fprintf@plt>
  mov    -0xc(%rbp),%eax
  mov    %eax,-0x4(%rbp)
  jmp    L115
L47:
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movzbl %al,%edx
  mov    -0x18(%rbp),%rax
  lea    D2(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <fprintf@plt>
  addl   $0x1,-0xc(%rbp)
  addl   $0x1,-0x8(%rbp)
L115:
  mov    -0x8(%rbp),%eax
  cmp    -0x2c(%rbp),%eax
  jge    L88
  mov    -0xc(%rbp),%eax
  cltq
  cmp    %rax,-0x28(%rbp)
  ja     L47
L88:
  mov    -0x4(%rbp),%eax
  mov    %eax,-0xc(%rbp)
  jmp    L41
L55:
  mov    -0x18(%rbp),%rax
  mov    %rax,%rcx
  mov    $0x3,%edx
  mov    $0x1,%esi
  lea    D8(%rip),%rax
  mov    %rax,%rdi
  call   <fwrite@plt>
  addl   $0x1,-0x8(%rbp)
L41:
  mov    -0x8(%rbp),%eax
  cmp    -0x2c(%rbp),%eax
  jl     L55
  movl   $0x0,-0x8(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rsi
  mov    $0x3a,%edi
  call   <fputc@plt>
  jmp    L71
L93:
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  mov    %eax,%edi
  call   <isgraph@plt>
  test   %rax,%rax
  je     L61
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  jmp    L86
L61:
  mov    $0x2e,%eax
L86:
  mov    -0x18(%rbp),%rdx
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <fputc@plt>
  addl   $0x1,-0xc(%rbp)
  addl   $0x1,-0x8(%rbp)
L71:
  mov    -0x8(%rbp),%eax
  cmp    -0x2c(%rbp),%eax
  jge    L67
  mov    -0xc(%rbp),%eax
  cltq
  cmp    %rax,-0x28(%rbp)
  ja     L93
L67:
  mov    -0x18(%rbp),%rax
  mov    %rax,%rsi
  mov    $0xa,%edi
  call   <fputc@plt>
  movl   $0x0,-0x8(%rbp)
L50:
  mov    -0xc(%rbp),%eax
  cltq
  cmp    %rax,-0x28(%rbp)
  ja     L108
  mov    -0x18(%rbp),%rax
  mov    %rax,%rsi
  mov    $0xa,%edi
  call   <fputc@plt>
  nop
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: tag: D19
type_guessed: string
name: retrieve_data
arguments: tag: D2
type_guessed: string
name: retrieve_data
arguments: tag: D8
type_guessed: string

tool: D19: %X	:

tool: D2: %02hhx 

tool: D8:    

assistant: ```c
void _pst_debug_hexdump(FILE *out, unsigned char *buf, size_t size, int col) {
  int off = 0, toff;
  int count = 0;
  if (col == -1) {
    col = 30;
  }
  fprintf(out, "\n");
  while (off < size) {
    fprintf(out, "%X\t:", off);
    toff = off;
    while (count < col && off < size) {
      fprintf(out, "%02hhx ", buf[off]);
      off++;
      count++;
    }
    off = toff;
    while (count < col) {
      fprintf(out, "   ");
      count++;
    }
    count = 0;
    fprintf(out, ":");
    while (count < col && off < size) {
      fprintf(out, "%c", isgraph(buf[off]) ? buf[off] : '.');
      off++;
      count++;
    }
    fprintf(out, "\n");
    count = 0;
  }
  fprintf(out, "\n");
}
```