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

```asm
<main>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rsi,%rbx
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  cmp    $0x1,%edi
  jle    L28
L123:
  mov    0x8(%rbx),%rdi
  lea    D14(%rip),%rsi
  call   <fopen@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  je     L150
L184:
  mov    $0x0,%ebx
  lea    0xd(%rsp),%r12
  jmp    L0
L28:
  mov    $0x1,%edi
  call   <exit@plt>
  jmp    L123
L150:
  mov    $0x1,%edi
  call   <exit@plt>
  jmp    L184
L44:
  lea    -0x1(%rbx),%r13d
  movslq %r13d,%rax
  movzbl 0xe(%rsp,%rax,1),%r14d
  sub    $0x2,%ebx
  movslq %ebx,%rbx
  movzbl 0xe(%rsp,%rbx,1),%r15d
  movsbl %r14b,%edx
  movsbl %r15b,%esi
  lea    D42(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  add    %r14d,%r15d
  mov    %r15b,0xe(%rsp,%rbx,1)
  mov    %r13d,%ebx
L0:
  mov    %rbp,%rcx
  mov    $0x1,%edx
  mov    $0x1,%esi
  mov    %r12,%rdi
  call   <fread@plt>
  test   %rax,%rax
  je     L136
  movzbl 0xd(%rsp),%eax
  cmp    $0x6c,%al
  je     L31
  cmp    $0x73,%al
  je     L72
  cmp    $0x61,%al
  jne    L0
  test   %ebx,%ebx
  jg     L44
  mov    $0x1,%edi
  call   <exit@plt>
  jmp    L44
L72:
  test   %ebx,%ebx
  jle    L39
L105:
  lea    -0x1(%rbx),%r13d
  movslq %r13d,%rax
  movzbl 0xe(%rsp,%rax,1),%r14d
  sub    $0x2,%ebx
  movslq %ebx,%rbx
  movzbl 0xe(%rsp,%rbx,1),%r15d
  movsbl %r14b,%edx
  movsbl %r15b,%esi
  lea    D25(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  sub    %r14d,%r15d
  mov    %r15b,0xe(%rsp,%rbx,1)
  mov    %r13d,%ebx
  jmp    L0
L39:
  mov    $0x1,%edi
  call   <exit@plt>
  jmp    L105
L31:
  mov    %rbp,%rcx
  mov    $0x1,%edx
  mov    $0x1,%esi
  mov    %r12,%rdi
  call   <fread@plt>
  test   %rax,%rax
  je     L131
L210:
  cmp    $0xa,%ebx
  je     L152
L109:
  movsbl 0xd(%rsp),%esi
  lea    D21(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  movslq %ebx,%rax
  movzbl 0xd(%rsp),%edx
  mov    %dl,0xe(%rsp,%rax,1)
  lea    0x1(%rbx),%ebx
  jmp    L0
L131:
  mov    $0x1,%edi
  call   <exit@plt>
  jmp    L210
L152:
  mov    $0x1,%edi
  call   <exit@plt>
  jmp    L109
L136:
  mov    %rbp,%rdi
  call   <fclose@plt>
  lea    -0x1(%rbx),%eax
  test   %ebx,%ebx
  je     L159
  movslq %eax,%rbx
  lea    D39(%rip),%rbp
L182:
  movsbl 0xe(%rsp,%rbx,1),%esi
  mov    %rbp,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  sub    $0x1,%rbx
  cmp    $0xffffffff,%ebx
  jne    L182
L159:
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L130
  mov    $0x0,%eax
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L130:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: label: D14
type_guessed: string
name: retrieve_data
arguments: label: D42
type_guessed: string
name: retrieve_data
arguments: label: D25
type_guessed: string
name: retrieve_data
arguments: label: D21
type_guessed: string
name: retrieve_data
arguments: label: D39
type_guessed: string

tool: D14: r

tool: D42: debug: %d + %d


tool: D25: debug: %d - %d


tool: D21: debug: %d


tool: D39: %d


assistant: ```c
int main(int argc, char **argv) {
  FILE *in;
  char instr;
  size_t addr;
  char stack[10];
  int sp;
  if (argc < 2)
    exit(1);
  in = fopen(argv[1], "r");
  if (!in)
    exit(1);
  sp = 0;
  while (1) {
    if (fread(&instr, 1, 1, in) == 0)
      break;
    switch (instr) {
    case 'a':
      if (sp < 1)
        exit(1);
      printf("debug: %d + %d\n", (int)stack[sp - 2], (int)stack[sp - 1]);
      stack[(sp--) - 2] = stack[sp - 2] + stack[sp - 1];
      break;
    case 's':
      if (sp < 1)
        exit(1);
      printf("debug: %d - %d\n", (int)stack[sp - 2], (int)stack[sp - 1]);
      stack[(sp--) - 2] = stack[sp - 2] - stack[sp - 1];
      break;
    case 'l':
      if (fread(&instr, 1, 1, in) == 0)
        exit(1);
      if (sp == 10)
        exit(1);
      printf("debug: %d\n", (int)instr);
      stack[sp++] = instr;
      break;
    }
  }
  fclose(in);
  sp--;
  while (sp != -1)
    printf("%d\n", (int)stack[sp--]);
  return 0;
}
```