user: What is the c source code of the assembly code below?

```asm
<hexDump>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  mov    %edx,%ebp
  push   %rbx
  sub    $0x48,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x38(%rsp)
  xor    %eax,%eax
  test   %rdi,%rdi
  je     L130
  mov    %rdi,%rsi
  lea    D49(%rip),%rdi
  call   <printf@plt>
L130:
  test   %ebp,%ebp
  jle    L43
  movslq %ebp,%rax
  xor    %r14d,%r14d
  lea    D30(%rip),%r13
  mov    %rax,(%rsp)
  lea    0x20(%rsp),%rax
  lea    D22(%rip),%r15
  mov    %rax,0x10(%rsp)
  lea    D11(%rip),%rax
  mov    %rax,0x8(%rsp)
  jmp    L77
  nopl   0x0(%rax,%rax,1)
L82:
  test   $0x7,%r14b
  je     L117
L108:
  and    $0xf,%ecx
  je     L127
L69:
  movzbl (%r12,%r14,1),%esi
  xor    %eax,%eax
  mov    %r13,%rdi
  call   <printf@plt>
  movzbl (%r12,%r14,1),%eax
  lea    -0x20(%rax),%ecx
  cmp    $0x5f,%cl
  mov    $0x2e,%ecx
  cmovae %ecx,%eax
  mov    %ebx,%ecx
  add    $0x1,%r14
  and    $0xf,%ecx
  mov    %al,0x20(%rsp,%rcx,1)
  movb   $0x0,0x21(%rsp,%rcx,1)
  cmp    %r14,(%rsp)
  je     L120
L77:
  mov    %r14d,%ecx
  mov    %r14d,%ebx
  test   %r14,%r14
  jne    L82
  mov    %ebx,%esi
  mov    %r15,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  jmp    L69
  nopw   0x0(%rax,%rax,1)
L127:
  mov    0x10(%rsp),%rsi
  mov    0x8(%rsp),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    %ebx,%esi
  mov    %r15,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  jmp    L69
  nop
L117:
  mov    $0x20,%edi
  mov    %r14d,0x1c(%rsp)
  call   <putchar@plt>
  mov    0x1c(%rsp),%ecx
  jmp    L108
  nopl   0x0(%rax,%rax,1)
L120:
  test   $0xf,%bpl
  je     L32
  lea    D19(%rip),%rbx
  nopl   (%rax)
L4:
  mov    %rbx,%rdi
  xor    %eax,%eax
  add    $0x1,%ebp
  call   <printf@plt>
  test   $0xf,%bpl
  jne    L4
L32:
  mov    0x10(%rsp),%rsi
  mov    0x8(%rsp),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    0x38(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L131
  add    $0x48,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax,%rax,1)
L43:
  lea    0x20(%rsp),%rax
  mov    %rax,0x10(%rsp)
  lea    D11(%rip),%rax
  mov    %rax,0x8(%rsp)
  jmp    L32
L131:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: tag: D49
type_infered: string
name: parse_data
arguments: tag: D30
type_infered: string
name: parse_data
arguments: tag: D22
type_infered: string
name: parse_data
arguments: tag: D11
type_infered: string
name: parse_data
arguments: tag: D19
type_infered: string

tool: D49: %s:


tool: D30:  %02x

tool: D22:   %04x 

tool: D11:   %s


tool: D19:    

assistant: ```c
void hexDump(char *desc, void *addr, int len) {
  int i;
  unsigned char buff[17];
  unsigned char *pc = (unsigned char *)addr;
  if (desc != NULL)
    printf("%s:\n", desc);
  for (i = 0; i < len; i++) {
    if (i != 0 && i % 8 == 0)
      printf(" ");
    if ((i % 16) == 0) {
      if (i != 0)
        printf("  %s\n", buff);
      printf("  %04x ", i);
    }
    printf(" %02x", pc[i]);
    if ((pc[i] < 0x20) || (pc[i] > 0x7e))
      buff[i % 16] = '.';
    else
      buff[i % 16] = pc[i];
    buff[(i % 16) + 1] = '\0';
  }
  while ((i % 16) != 0) {
    printf("   ");
    i++;
  }
  printf("  %s\n", buff);
}
```