user: 请从给定的汇编指令推导出C源代码:

```asm
<printToHex>:
  endbr64
  push   %r15
  mov    %esi,%r15d
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %edi,%ebx
  sub    $0x38,%rsp
  cmp    $0x1,%esi
  sete   %al
  test   %edi,%edi
  jne    L243
  test   %al,%al
  jne    L196
L243:
  cmp    $0xf,%ebx
  jg     L634
  test   %al,%al
  je     L634
  mov    $0x30,%edi
  lea    0xf(%rbx),%r14d
  call   <putchar@plt>
  mov    %ebx,%eax
  sar    $0x1f,%eax
  shr    $0x1c,%eax
  lea    (%rbx,%rax,1),%r12d
  and    $0xf,%r12d
  sub    %eax,%r12d
  test   %ebx,%ebx
  cmovns %ebx,%r14d
  sar    $0x4,%r14d
L690:
  test   %r14d,%r14d
  je     L719
  mov    %r14d,%eax
  lea    0xf(%r14),%ebp
  sar    $0x1f,%eax
  shr    $0x1c,%eax
  lea    (%r14,%rax,1),%ecx
  and    $0xf,%ecx
  sub    %eax,%ecx
  test   %r14d,%r14d
  cmovns %r14d,%ebp
  cmp    $0xffffffff,%r15d
  mov    %ecx,0x8(%rsp)
  sete   %cl
  sar    $0x4,%ebp
  mov    %ecx,%eax
  jne    L658
  test   %cl,%cl
  je     L658
  lea    D89(%rip),%rdi
  xor    %eax,%eax
  xor    %r13d,%r13d
  xor    %ebp,%ebp
  call   <printf@plt>
  movl   $0x0,0xc(%rsp)
L301:
  cmp    $0xfffffffe,%r15d
  sete   %al
L72:
  cmp    $0xffff,%ebx
  jg     L703
  test   %al,%al
  jne    L20
L703:
  test   %r13d,%r13d
  je     L156
  mov    %r13d,%eax
  sar    $0x1f,%eax
  shr    $0x1c,%eax
  lea    0x0(%r13,%rax,1),%ecx
  and    $0xf,%ecx
  sub    %eax,%ecx
  test   %r13d,%r13d
  lea    0xf(%r13),%eax
  cmovns %r13d,%eax
  cmp    $0xfffffffd,%r15d
  mov    %ecx,0x14(%rsp)
  sete   %cl
  mov    %eax,%edx
  mov    %ecx,%eax
  sar    $0x4,%edx
  mov    %edx,0x10(%rsp)
  jne    L385
  test   %cl,%cl
  je     L385
  lea    D89(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  movl   $0x0,0x18(%rsp)
  xor    %ecx,%ecx
  movl   $0x0,0x10(%rsp)
L656:
  cmp    $0xfffffffc,%r15d
  sete   %al
L449:
  cmp    $0xffffff,%ebx
  jg     L521
  test   %al,%al
  je     L521
  mov    $0x30,%edi
  mov    %ecx,0x1c(%rsp)
  call   <putchar@plt>
  mov    0x1c(%rsp),%ecx
  mov    %ecx,%eax
  lea    0xf(%rcx),%r8d
  sar    $0x1f,%eax
  shr    $0x1c,%eax
  lea    (%rcx,%rax,1),%esi
  and    $0xf,%esi
  sub    %eax,%esi
  test   %ecx,%ecx
  cmovns %ecx,%r8d
  mov    %esi,0x1c(%rsp)
  sar    $0x4,%r8d
L512:
  cmp    $0xfffffffb,%r15d
  sete   %al
L695:
  cmp    $0xfffffff,%ebx
  jg     L333
  test   %al,%al
  je     L333
  mov    $0x30,%edi
  mov    %ecx,0x24(%rsp)
  mov    %r8d,0x20(%rsp)
  call   <putchar@plt>
  mov    0x20(%rsp),%r8d
  mov    0x24(%rsp),%ecx
L492:
  mov    %r8d,%eax
  lea    0xf(%r8),%r9d
  sar    $0x1f,%eax
  shr    $0x1c,%eax
  lea    (%r8,%rax,1),%esi
  and    $0xf,%esi
  sub    %eax,%esi
  test   %r8d,%r8d
  cmovns %r8d,%r9d
  mov    %esi,0x20(%rsp)
  sar    $0x4,%r9d
  cmp    $0xfffffffa,%r15d
  jne    L213
  test   %r9d,%r9d
  jne    L175
  lea    D89(%rip),%rdi
  xor    %eax,%eax
  mov    %ecx,0x28(%rsp)
  mov    %r8d,0x24(%rsp)
  call   <printf@plt>
  mov    0x24(%rsp),%r8d
  mov    0x28(%rsp),%ecx
L409:
  mov    0x20(%rsp),%eax
  cmp    $0x9,%eax
  jle    L595
  mov    %eax,%edi
  mov    %ecx,0x20(%rsp)
  add    $0x57,%edi
  movzbl %dil,%edi
  call   <putchar@plt>
  mov    0x20(%rsp),%ecx
L508:
  cmpl   $0x9,0x1c(%rsp)
  jg     L488
L285:
  test   %ecx,%ecx
  jne    L684
L136:
  cmpl   $0x9,0x18(%rsp)
  jg     L49
L531:
  mov    0x10(%rsp),%eax
  test   %eax,%eax
  je     L220
  mov    0x18(%rsp),%esi
  lea    D51(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
L220:
  cmpl   $0x9,0x14(%rsp)
  jg     L77
L63:
  test   %r13d,%r13d
  jne    L588
L156:
  cmpl   $0x9,0xc(%rsp)
  jg     L617
  test   %ebp,%ebp
  jne    L115
L499:
  cmpl   $0x9,0x8(%rsp)
  jg     L160
  test   %r14d,%r14d
  jne    L415
L719:
  cmp    $0x9,%r12d
  jle    L154
  add    $0x38,%rsp
  lea    0x57(%r12),%edi
  pop    %rbx
  movzbl %dil,%edi
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1060 <putchar@plt>
  nopl   0x0(%rax)
L196:
  lea    D89(%rip),%rdi
  xor    %eax,%eax
  xor    %r12d,%r12d
  call   <printf@plt>
L154:
  test   %ebx,%ebx
  jne    L374
L576:
  add    $0x38,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax,%rax,1)
L634:
  test   %ebx,%ebx
  je     L576
  mov    %ebx,%eax
  lea    0xf(%rbx),%ebp
  sar    $0x1f,%eax
  shr    $0x1c,%eax
  lea    (%rbx,%rax,1),%r12d
  and    $0xf,%r12d
  sub    %eax,%r12d
  test   %ebx,%ebx
  cmovns %ebx,%ebp
  mov    %ebp,%eax
  sar    $0x4,%eax
  mov    %eax,%r14d
  or     %r15d,%r14d
  jne    L345
  lea    D89(%rip),%rdi
  xor    %eax,%eax
  xor    %ebp,%ebp
  call   <printf@plt>
  movl   $0x0,0x8(%rsp)
L434:
  cmp    $0xffffffff,%r15d
  sete   %al
L658:
  cmp    $0xfff,%ebx
  jg     L413
  test   %al,%al
  jne    L69
L413:
  test   %ebp,%ebp
  je     L499
  mov    %ebp,%eax
  lea    0xf(%rbp),%r13d
  sar    $0x1f,%eax
  shr    $0x1c,%eax
  lea    0x0(%rbp,%rax,1),%ecx
  and    $0xf,%ecx
  sub    %eax,%ecx
  test   %ebp,%ebp
  cmovns %ebp,%r13d
  cmp    $0xfffffffe,%r15d
  mov    %ecx,0xc(%rsp)
  sete   %cl
  sar    $0x4,%r13d
  mov    %ecx,%eax
  jne    L72
  test   %cl,%cl
  je     L72
  lea    D89(%rip),%rdi
  xor    %eax,%eax
  xor    %r13d,%r13d
  call   <printf@plt>
  movl   $0x0,0x10(%rsp)
  movl   $0x0,0x14(%rsp)
L155:
  cmp    $0xfffffffd,%r15d
  sete   %al
L385:
  cmp    $0xfffff,%ebx
  jg     L135
  test   %al,%al
  jne    L119
L135:
  mov    0x10(%rsp),%edx
  test   %edx,%edx
  je     L220
  mov    %edx,%eax
  sar    $0x1f,%eax
  shr    $0x1c,%eax
  lea    (%rdx,%rax,1),%ecx
  and    $0xf,%ecx
  sub    %eax,%ecx
  test   %edx,%edx
  mov    %ecx,0x18(%rsp)
  lea    0xf(%rdx),%ecx
  cmovns %edx,%ecx
  cmp    $0xfffffffc,%r15d
  sete   %sil
  sar    $0x4,%ecx
  mov    %esi,%eax
  jne    L449
  test   %sil,%sil
  je     L449
  lea    D89(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  movl   $0x0,0x1c(%rsp)
  xor    %r8d,%r8d
  xor    %ecx,%ecx
  jmp    L512
  nopl   (%rax)
L160:
  movzbl 0x8(%rsp),%edi
  add    $0x57,%edi
  movzbl %dil,%edi
  call   <putchar@plt>
  jmp    L719
  cs nopw 0x0(%rax,%rax,1)
L345:
  mov    %eax,%r14d
  cmp    $0xff,%ebx
  jg     L690
  test   %r15d,%r15d
  jne    L690
  sar    $0x1f,%ebp
  mov    $0x30,%edi
  call   <putchar@plt>
  shr    $0x1c,%ebp
  lea    (%r14,%rbp,1),%eax
  and    $0xf,%eax
  sub    %ebp,%eax
  test   %r14d,%r14d
  lea    0xf(%r14),%ebp
  cmovns %r14d,%ebp
  mov    %eax,0x8(%rsp)
  sar    $0x4,%ebp
  jmp    L434
  nopl   0x0(%rax,%rax,1)
L617:
  movzbl 0xc(%rsp),%edi
  add    $0x57,%edi
  movzbl %dil,%edi
  call   <putchar@plt>
  jmp    L499
  cs nopw 0x0(%rax,%rax,1)
L69:
  mov    $0x30,%edi
  lea    0xf(%rbp),%r13d
  call   <putchar@plt>
  mov    %ebp,%eax
  sar    $0x1f,%eax
  shr    $0x1c,%eax
  lea    0x0(%rbp,%rax,1),%ecx
  and    $0xf,%ecx
  sub    %eax,%ecx
  test   %ebp,%ebp
  cmovns %ebp,%r13d
  mov    %ecx,0xc(%rsp)
  sar    $0x4,%r13d
  jmp    L301
  nopw   0x0(%rax,%rax,1)
L20:
  mov    $0x30,%edi
  call   <putchar@plt>
  mov    %r13d,%eax
  sar    $0x1f,%eax
  shr    $0x1c,%eax
  lea    0x0(%r13,%rax,1),%ecx
  and    $0xf,%ecx
  sub    %eax,%ecx
  test   %r13d,%r13d
  lea    0xf(%r13),%eax
  cmovns %r13d,%eax
  mov    %ecx,0x14(%rsp)
  sar    $0x4,%eax
  mov    %eax,0x10(%rsp)
  jmp    L155
L119:
  mov    $0x30,%edi
  call   <putchar@plt>
  mov    0x10(%rsp),%edx
  mov    %edx,%eax
  sar    $0x1f,%eax
  shr    $0x1c,%eax
  lea    (%rdx,%rax,1),%ecx
  and    $0xf,%ecx
  sub    %eax,%ecx
  test   %edx,%edx
  mov    %ecx,0x18(%rsp)
  lea    0xf(%rdx),%ecx
  cmovns %edx,%ecx
  sar    $0x4,%ecx
  jmp    L656
  nopw   0x0(%rax,%rax,1)
L588:
  mov    0x14(%rsp),%esi
  lea    D51(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  jmp    L156
  nop
L521:
  test   %ecx,%ecx
  je     L136
  mov    %ecx,%eax
  lea    0xf(%rcx),%r8d
  sar    $0x1f,%eax
  shr    $0x1c,%eax
  lea    (%rcx,%rax,1),%esi
  and    $0xf,%esi
  sub    %eax,%esi
  test   %ecx,%ecx
  cmovns %ecx,%r8d
  mov    %esi,0x1c(%rsp)
  sar    $0x4,%r8d
  cmp    $0xfffffffb,%r15d
  sete   %sil
  mov    %esi,%eax
  test   %r8d,%r8d
  jne    L695
  test   %sil,%sil
  je     L695
  xor    %eax,%eax
  lea    D89(%rip),%rdi
  mov    %ecx,0x20(%rsp)
  call   <printf@plt>
  cmpl   $0x9,0x1c(%rsp)
  mov    0x20(%rsp),%ecx
  jle    L285
L488:
  movzbl 0x1c(%rsp),%edi
  add    $0x57,%edi
  movzbl %dil,%edi
  call   <putchar@plt>
  cmpl   $0x9,0x18(%rsp)
  jle    L531
L49:
  movzbl 0x18(%rsp),%edi
  add    $0x57,%edi
  movzbl %dil,%edi
  call   <putchar@plt>
  cmpl   $0x9,0x14(%rsp)
  jle    L63
L77:
  movzbl 0x14(%rsp),%edi
  add    $0x57,%edi
  movzbl %dil,%edi
  call   <putchar@plt>
  jmp    L156
  nopl   (%rax)
L374:
  add    $0x38,%rsp
  mov    %r12d,%esi
  lea    D51(%rip),%rdi
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1070 <printf@plt>
  nopw   0x0(%rax,%rax,1)
L333:
  test   %r8d,%r8d
  jne    L492
  jmp    L508
  xchg   %ax,%ax
L415:
  mov    0x8(%rsp),%esi
  lea    D51(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  jmp    L719
  nopw   0x0(%rax,%rax,1)
L115:
  mov    0xc(%rsp),%esi
  lea    D51(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  jmp    L499
  nopw   0x0(%rax,%rax,1)
L213:
  test   %r9d,%r9d
  je     L409
  cmp    $0xfffffff9,%r15d
  jne    L187
  lea    D89(%rip),%rdi
  xor    %eax,%eax
  mov    %r9d,0x2c(%rsp)
  mov    %ecx,0x28(%rsp)
  mov    %r8d,0x24(%rsp)
  call   <printf@plt>
  mov    $0x2,%esi
  xor    %edi,%edi
  call   <printToHex>
  mov    0x2c(%rsp),%r9d
  mov    0x28(%rsp),%ecx
  mov    0x24(%rsp),%r8d
L187:
  mov    %r9d,%esi
  lea    D51(%rip),%rdi
  xor    %eax,%eax
  mov    %ecx,0x28(%rsp)
  mov    %r8d,0x24(%rsp)
  call   <printf@plt>
  mov    0x28(%rsp),%ecx
  mov    0x24(%rsp),%r8d
  jmp    L409
  nopl   (%rax)
L595:
  test   %r8d,%r8d
  je     L508
  mov    %eax,%esi
  lea    D51(%rip),%rdi
  xor    %eax,%eax
  mov    %ecx,0x24(%rsp)
  call   <printf@plt>
  mov    0x24(%rsp),%ecx
  jmp    L508
  cs nopw 0x0(%rax,%rax,1)
L684:
  mov    0x1c(%rsp),%esi
  lea    D51(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  jmp    L136
  nopw   0x0(%rax,%rax,1)
L175:
  cmp    $0xfffffffa,%r15d
  jne    L213
  mov    $0x30,%edi
  mov    %r9d,0x2c(%rsp)
  mov    %ecx,0x28(%rsp)
  mov    %r8d,0x24(%rsp)
  call   <putchar@plt>
  mov    0x2c(%rsp),%r9d
  mov    0x24(%rsp),%r8d
  mov    0x28(%rsp),%ecx
  test   %r9d,%r9d
  je     L409
  jmp    L187
```

tool_calls: name: extract_symbolic_data
arguments: data_tag: D89
type_guessed: string
name: extract_symbolic_data
arguments: data_tag: D51
type_guessed: string

tool: D89: 00

tool: D51: %d

assistant: ```c
void printToHex(int n, int step) {
  if (step == 1 && n == 0) {
    printf("00");
  } else if (n <= 15 && step == 1) {
    printf("0");
  } else if (n == 0) {
    return;
  }
  int rem = n % 16;
  printToHex(n / 16, step + 1);
  if (rem >= 10) {
    printf("%c", (char)('a' + (rem - 10)));
  } else if (n != 0) {
    printf("%d", rem);
  }
}
```