user: Demonstrate the C code that generates the assembly output below:

```asm
<hexdump>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x38(%rbp)
  mov    %esi,-0x3c(%rbp)
  mov    %edx,-0x40(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    -0x3c(%rbp),%edx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x18(%rbp)
  movl   $0x0,-0x20(%rbp)
  movl   $0x1,-0x24(%rbp)
  movl   $0x0,-0x28(%rbp)
  jmp    L93
L142:
  mov    -0x28(%rbp),%eax
  and    $0xf,%eax
  test   %eax,%eax
  jne    L96
  cmpl   $0x0,-0x24(%rbp)
  jne    L38
  cmpl   $0x0,-0x20(%rbp)
  jne    L38
  movl   $0x0,-0x1c(%rbp)
  jmp    L156
L24:
  mov    -0x28(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x1c(%rbp),%eax
  shl    $0x2,%eax
  cltq
  add    %rax,%rdx
  mov    -0x18(%rbp),%rax
  lea    (%rdx,%rax,1),%rcx
  lea    -0xc(%rbp),%rax
  mov    $0x4,%edx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <memcpy@plt>
  movzbl -0xc(%rbp),%eax
  test   %al,%al
  jne    L154
  movzbl -0xb(%rbp),%eax
  test   %al,%al
  jne    L154
  movzbl -0xa(%rbp),%eax
  test   %al,%al
  jne    L154
  movzbl -0x9(%rbp),%eax
  test   %al,%al
  jne    L154
  addl   $0x1,-0x1c(%rbp)
L156:
  cmpl   $0x3,-0x1c(%rbp)
  jle    L24
L154:
  cmpl   $0x4,-0x1c(%rbp)
  jne    L38
  addl   $0xf,-0x28(%rbp)
  jmp    L29
L38:
  mov    -0x40(%rbp),%eax
  sub    -0x28(%rbp),%eax
  cmp    $0xf,%eax
  jg     L131
  movl   $0x1,-0x20(%rbp)
L131:
  movl   $0x0,-0x24(%rbp)
  mov    -0x28(%rbp),%edx
  mov    -0x3c(%rbp),%eax
  add    %edx,%eax
  mov    %eax,%esi
  lea    D12(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
L96:
  mov    -0x28(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  lea    (%rdx,%rax,1),%rcx
  lea    -0xc(%rbp),%rax
  mov    $0x4,%edx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <memcpy@plt>
  movzbl -0x9(%rbp),%eax
  movzbl %al,%esi
  movzbl -0xa(%rbp),%eax
  movzbl %al,%ecx
  movzbl -0xb(%rbp),%eax
  movzbl %al,%edx
  movzbl -0xc(%rbp),%eax
  movzbl %al,%eax
  mov    %esi,%r8d
  mov    %eax,%esi
  lea    D1(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  addl   $0x3,-0x28(%rbp)
  mov    -0x28(%rbp),%eax
  add    $0x1,%eax
  and    $0xf,%eax
  test   %eax,%eax
  jne    L29
  mov    $0xa,%edi
  call   <putchar@plt>
L29:
  addl   $0x1,-0x28(%rbp)
L93:
  mov    -0x28(%rbp),%eax
  cmp    -0x40(%rbp),%eax
  jl     L142
  mov    -0x28(%rbp),%eax
  and    $0xf,%eax
  test   %eax,%eax
  je     L42
  mov    $0xa,%edi
  call   <putchar@plt>
L42:
  nop
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L25
  call   <__stack_chk_fail@plt>
L25:
  leave
  ret
```

tool_calls: name: extract_symbolic_data
arguments: tag: D12
data_type: string
name: extract_symbolic_data
arguments: tag: D1
data_type: string

tool: D12: %04x:

tool: D1:  %02x %02x %02x %02x 

assistant: ```c
void hexdump(const unsigned char *base, unsigned int offset, int len) {
  const unsigned char *b = base + offset;
  unsigned char bb[4];
  int i;
  int first, last;
  last = 0;
  first = 1;
  for (i = 0; i < len; i++) {
    if ((i % 16) == 0) {
      if (!first && !last) {
        int j;
        for (j = 0; j < 4; j++) {
          memcpy(bb, b + i + 4 * j, 4);
          if (bb[0] || bb[1] || bb[2] || bb[3])
            break;
        }
        if (j == 4) {
          i = i + 15;
          continue;
        }
      }
      if ((len - i) < 16)
        last = 1;
      first = 0;
      printf("%04x:", offset + i);
    }
    memcpy(bb, b + i, 4);
    printf(" %02x %02x %02x %02x ", bb[0], bb[1], bb[2], bb[3]);
    i += 3;
    if (!((i + 1) % 16)) {
      printf("\n");
    }
  }
  if (i % 16) {
    printf("\n");
  }
}
```