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

```asm
<checkmem>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r12
  push   %rbx
  sub    $0x30,%rsp
  mov    %rdi,-0x38(%rbp)
  mov    %esi,-0x3c(%rbp)
  movl   $0xffffffff,-0x24(%rbp)
  movl   $0x0,-0x20(%rbp)
  mov    -0x3c(%rbp),%eax
  mov    %al,-0x26(%rbp)
  mov    -0x38(%rbp),%rax
  mov    %rax,-0x18(%rbp)
  movb   $0x0,-0x27(%rbp)
  movl   $0x0,-0x1c(%rbp)
  jmp    L25
L4:
  mov    -0x18(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movzbl (%rax),%eax
  mov    %al,-0x25(%rbp)
  movzbl -0x25(%rbp),%eax
  cmp    -0x26(%rbp),%al
  je     L11
  mov    -0x1c(%rbp),%eax
  cmp    %eax,-0x24(%rbp)
  jbe    L8
  mov    -0x1c(%rbp),%eax
  mov    %eax,-0x24(%rbp)
L8:
  mov    -0x1c(%rbp),%eax
  cmp    %eax,-0x20(%rbp)
  jae    L50
  mov    -0x1c(%rbp),%eax
  mov    %eax,-0x20(%rbp)
L50:
  movzbl -0x25(%rbp),%eax
  mov    %al,-0x27(%rbp)
L11:
  addl   $0x1,-0x1c(%rbp)
L25:
  cmpl   $0x5b3,-0x1c(%rbp)
  jle    L4
  mov    -0x24(%rbp),%eax
  cmp    -0x20(%rbp),%eax
  jae    L51
  mov    -0x38(%rbp),%rax
  mov    %eax,%edx
  mov    -0x20(%rbp),%eax
  add    %edx,%eax
  and    $0xfff,%eax
  mov    %eax,%edi
  mov    -0x38(%rbp),%rax
  mov    %eax,%edx
  mov    -0x24(%rbp),%eax
  add    %edx,%eax
  and    $0xfff,%eax
  mov    %eax,%esi
  mov    -0x24(%rbp),%edx
  mov    -0x20(%rbp),%ecx
  mov    -0x3c(%rbp),%eax
  mov    %edi,%r9d
  mov    %esi,%r8d
  mov    %eax,%esi
  lea    D9(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  movzbl -0x27(%rbp),%edx
  movzbl -0x26(%rbp),%eax
  mov    %eax,%esi
  lea    D28(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    -0x3c(%rbp),%eax
  add    $0x1,%eax
  mov    %eax,%edi
  call   <order@plt>
  mov    %eax,%r12d
  mov    -0x3c(%rbp),%eax
  mov    %eax,%edi
  call   <order@plt>
  mov    %eax,%ebx
  mov    -0x3c(%rbp),%eax
  sub    $0x1,%eax
  mov    %eax,%edi
  call   <order@plt>
  mov    %r12d,%ecx
  mov    %ebx,%edx
  mov    %eax,%esi
  lea    D4(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
L51:
  nop
  add    $0x30,%rsp
  pop    %rbx
  pop    %r12
  pop    %rbp
  ret
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D9
type: string
name: extract_symbolic_data
arguments: data_label: D28
type: string
name: extract_symbolic_data
arguments: data_label: D4
type: string

tool: D9: Chunk %d corrupted (%u-%u)  (%u-%u)            


tool: D28: Expected %u, got %u


tool: D4: Written as (%d)%d(%d)


assistant: ```c
void checkmem(void *buf, int nr) {
  unsigned int start = ~0u, end = 0;
  unsigned char c = nr, *p = buf, differs = 0;
  int i;
  for (i = 0; i < (1460); i++) {
    unsigned char got = *p++;
    if (got != c) {
      if (i < start)
        start = i;
      if (i > end)
        end = i;
      differs = got;
    }
  }
  if (start < end) {
    printf("Chunk %d corrupted (%u-%u)  (%u-%u)            \n", nr, start, end, (0xfff & ((unsigned)(unsigned long)(buf) + (start))), (0xfff & ((unsigned)(unsigned long)(buf) + (end))));
    printf("Expected %u, got %u\n", c, differs);
    printf("Written as (%d)%d(%d)\n", order(nr - 1), order(nr), order(nr + 1));
  }
}
```