user: 下面的汇编指令对应的C源代码是什么：

```asm
<dpu_dump>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x48,%rsp
  mov    %rdi,0x8(%rsp)
  mov    %edx,0x14(%rsp)
  mov    %fs:0x28,%rax
  mov    %rax,0x38(%rsp)
  xor    %eax,%eax
  test   %edx,%edx
  je     L78
  mov    %esi,%ebx
  cmp    $0x4000,%esi
  je     L78
  movl   $0x10,0x1c(%rsp)
  xor    %r12d,%r12d
  lea    D27(%rip),%r15
  nopl   0x0(%rax,%rax,1)
L25:
  mov    %ebx,%esi
  lea    D35(%rip),%rdi
  xor    %eax,%eax
  xor    %r13d,%r13d
  call   <printf@plt>
  mov    0x14(%rsp),%eax
  lea    (%rax,%rbx,1),%ebp
  sub    %r12d,%ebp
  nopl   (%rax)
L108:
  cmp    $0x4000,%ebx
  je     L52
  cmp    %ebp,%ebx
  je     L133
  mov    0x8(%rsp),%rcx
  mov    %ebx,%eax
  mov    %r15,%rdi
  lea    0x20(%rsp),%r14
  add    $0x1,%ebx
  add    $0x1,%r12d
  movzbl (%rcx,%rax,1),%esi
  xor    %eax,%eax
  mov    %sil,0x20(%rsp,%r13,1)
  add    $0x1,%r13
  call   <printf@plt>
  cmp    $0x10,%r13
  jne    L108
  lea    D17(%rip),%rdi
  xor    %eax,%eax
  mov    %r14,%r13
  call   <printf@plt>
L58:
  mov    %r12d,0x18(%rsp)
  mov    0x1c(%rsp),%r14d
  xor    %ebp,%ebp
  jmp    L14
  nopl   0x0(%rax,%rax,1)
L127:
  mov    %r12d,%esi
  lea    D38(%rip),%rdi
  xor    %eax,%eax
  add    $0x1,%rbp
  call   <printf@plt>
  cmp    %ebp,%r14d
  jbe    L99
L14:
  movzbl 0x0(%r13,%rbp,1),%r12d
  mov    %r12d,%edi
  call   <isprint@plt>
  test   %rax,%rax
  jne    L127
  lea    D57(%rip),%rdi
  xor    %eax,%eax
  add    $0x1,%rbp
  call   <printf@plt>
  cmp    %ebp,%r14d
  ja     L14
L99:
  mov    $0xa,%edi
  mov    0x18(%rsp),%r12d
  call   <putchar@plt>
  cmp    %r12d,0x14(%rsp)
  jbe    L78
  cmp    $0x4000,%ebx
  jne    L25
L78:
  mov    0x38(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L30
  add    $0x48,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopw   0x0(%rax,%rax,1)
L133:
  mov    0x14(%rsp),%r12d
L52:
  xor    %eax,%eax
  lea    D17(%rip),%rdi
  call   <printf@plt>
  test   %r13d,%r13d
  je     L117
  mov    %r13d,0x1c(%rsp)
  lea    0x20(%rsp),%r13
  jmp    L58
L117:
  mov    $0xa,%edi
  call   <putchar@plt>
  jmp    L78
L30:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: data_label: D27
type_guessed: string
name: disassemble_data
arguments: data_label: D35
type_guessed: string
name: disassemble_data
arguments: data_label: D17
type_guessed: string
name: disassemble_data
arguments: data_label: D38
type_guessed: string
name: disassemble_data
arguments: data_label: D57
type_guessed: string

tool: D27: %02X 

tool: D35: %04X	

tool: D17: 
	

tool: D38:  %c 

tool: D57:  . 

assistant: ```c
int dpu_dump(void *memptr, unsigned int offset, unsigned int length) {
  unsigned int i;
  unsigned char line[0x10];
  unsigned int lineLength = 0x10;
  unsigned int count = 0;
  while (count < length) {
    if (offset == 0x4000) {
      break;
    }
    printf("%04X\t", offset);
    for (i = 0; i < 0x10; i++, offset++, count++) {
      if (offset == 0x4000) {
        lineLength = i;
        break;
      }
      if (count == length) {
        lineLength = i;
        break;
      }
      line[i] = *((char *)memptr + offset);
      printf("%02X ", line[i]);
    }
    printf("\n\t");
    for (i = 0; i < lineLength; i++) {
      if (isprint(line[i])) {
        printf(" %c ", line[i]);
      } else {
        printf(" . ");
      }
    }
    printf("\n");
  }
  return 0;
}
```