user: 下面的汇编指令对应的C源代码是什么：

```asm
<fixed_xor>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r13
  push   %r12
  mov    %rsi,%r12
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x78,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x28(%rbp)
  xor    %eax,%eax
  call   <strlen@plt>
  mov    %rsp,%rcx
  movslq %eax,%r9
  lea    0xf(%r9),%rax
  mov    %r9,%r8
  mov    %rax,%rdx
  and    $0xfffffffffffff000,%rax
  sub    %rax,%rcx
  and    $0xfffffffffffffff0,%rdx
  cmp    %rcx,%rsp
  je     L133
L21:
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  cmp    %rcx,%rsp
  jne    L21
L133:
  and    $0xfff,%edx
  sub    %rdx,%rsp
  test   %rdx,%rdx
  jne    L46
L76:
  mov    %rsp,%r13
  test   %r8d,%r8d
  jle    L39
  lea    -0x1(%r8),%eax
  cmp    $0xe,%eax
  jbe    L69
  mov    %r8d,%edx
  xor    %eax,%eax
  pxor   %xmm9,%xmm9
  movdqa D21(%rip),%xmm13
  movdqa D42(%rip),%xmm12
  shr    $0x4,%edx
  movdqa D29(%rip),%xmm11
  movdqa D17(%rip),%xmm10
  shl    $0x4,%rdx
  nopw   0x0(%rax,%rax,1)
L107:
  movdqu (%rbx,%rax,1),%xmm1
  pxor   %xmm0,%xmm0
  movdqa %xmm13,%xmm6
  movdqa %xmm13,%xmm5
  movdqa %xmm13,%xmm15
  movdqa %xmm13,%xmm14
  pcmpgtb %xmm1,%xmm0
  movdqa %xmm1,%xmm2
  punpcklbw %xmm0,%xmm2
  punpckhbw %xmm0,%xmm1
  movdqa %xmm9,%xmm0
  pcmpgtw %xmm2,%xmm0
  movdqa %xmm2,%xmm4
  movdqa %xmm1,%xmm3
  punpcklwd %xmm0,%xmm4
  punpckhwd %xmm0,%xmm2
  movdqa %xmm9,%xmm0
  pcmpgtw %xmm1,%xmm0
  paddd  %xmm4,%xmm15
  paddd  %xmm11,%xmm4
  paddd  %xmm2,%xmm14
  paddd  %xmm11,%xmm2
  punpcklwd %xmm0,%xmm3
  punpckhwd %xmm0,%xmm1
  movdqu (%r12,%rax,1),%xmm0
  paddd  %xmm3,%xmm6
  paddd  %xmm1,%xmm5
  movaps %xmm6,-0x60(%rbp)
  pxor   %xmm6,%xmm6
  paddd  %xmm11,%xmm3
  paddd  %xmm11,%xmm1
  pcmpgtb %xmm0,%xmm6
  movaps %xmm5,-0x70(%rbp)
  movdqa %xmm0,%xmm5
  punpcklbw %xmm6,%xmm5
  punpckhbw %xmm6,%xmm0
  movdqa %xmm9,%xmm6
  pcmpgtw %xmm5,%xmm6
  movdqa %xmm5,%xmm7
  movdqa %xmm5,%xmm8
  movdqa %xmm9,%xmm5
  pcmpgtw %xmm0,%xmm5
  punpcklwd %xmm6,%xmm7
  punpckhwd %xmm6,%xmm8
  movdqa %xmm0,%xmm6
  movaps %xmm8,-0x40(%rbp)
  punpckhwd %xmm5,%xmm0
  punpcklwd %xmm5,%xmm6
  movdqa -0x40(%rbp),%xmm5
  movdqa %xmm0,%xmm8
  movdqa %xmm13,%xmm0
  movaps %xmm6,-0x50(%rbp)
  paddd  %xmm7,%xmm0
  paddd  %xmm13,%xmm5
  movdqa %xmm0,%xmm6
  movdqa -0x50(%rbp),%xmm0
  paddd  %xmm11,%xmm7
  paddd  %xmm13,%xmm0
  movaps %xmm0,-0x80(%rbp)
  movdqa %xmm13,%xmm0
  paddd  %xmm8,%xmm0
  paddd  %xmm11,%xmm8
  movaps %xmm0,-0x90(%rbp)
  movdqa %xmm15,%xmm0
  pcmpgtd %xmm12,%xmm0
  pand   %xmm0,%xmm4
  pandn  %xmm15,%xmm0
  movdqa -0x70(%rbp),%xmm15
  por    %xmm4,%xmm0
  movdqa %xmm14,%xmm4
  pcmpgtd %xmm12,%xmm4
  pand   %xmm4,%xmm2
  pandn  %xmm14,%xmm4
  movdqa -0x60(%rbp),%xmm14
  por    %xmm2,%xmm4
  movdqa %xmm14,%xmm2
  pcmpgtd %xmm12,%xmm2
  pand   %xmm2,%xmm3
  pandn  %xmm14,%xmm2
  movdqa -0x80(%rbp),%xmm14
  por    %xmm3,%xmm2
  movdqa %xmm15,%xmm3
  pcmpgtd %xmm12,%xmm3
  pand   %xmm3,%xmm1
  pandn  %xmm15,%xmm3
  movdqa -0x90(%rbp),%xmm15
  por    %xmm1,%xmm3
  movdqa %xmm6,%xmm1
  pcmpgtd %xmm12,%xmm1
  pand   %xmm1,%xmm7
  pandn  %xmm6,%xmm1
  movdqa %xmm5,%xmm6
  por    %xmm7,%xmm1
  pcmpgtd %xmm12,%xmm6
  movdqa -0x40(%rbp),%xmm7
  paddd  %xmm11,%xmm7
  pand   %xmm6,%xmm7
  pandn  %xmm5,%xmm6
  movdqa %xmm14,%xmm5
  por    %xmm7,%xmm6
  pcmpgtd %xmm12,%xmm5
  movdqa -0x50(%rbp),%xmm7
  paddd  %xmm11,%xmm7
  pand   %xmm5,%xmm7
  pandn  %xmm14,%xmm5
  por    %xmm7,%xmm5
  movdqa %xmm15,%xmm7
  pcmpgtd %xmm12,%xmm7
  pand   %xmm7,%xmm8
  pandn  %xmm15,%xmm7
  por    %xmm8,%xmm7
  movdqa %xmm0,%xmm8
  punpcklwd %xmm4,%xmm0
  punpckhwd %xmm4,%xmm8
  movdqa %xmm0,%xmm4
  punpckhwd %xmm8,%xmm4
  punpcklwd %xmm8,%xmm0
  punpcklwd %xmm4,%xmm0
  movdqa %xmm2,%xmm4
  punpcklwd %xmm3,%xmm2
  punpckhwd %xmm3,%xmm4
  movdqa %xmm2,%xmm3
  pand   %xmm10,%xmm0
  punpckhwd %xmm4,%xmm3
  punpcklwd %xmm4,%xmm2
  punpcklwd %xmm3,%xmm2
  pand   %xmm10,%xmm2
  packuswb %xmm2,%xmm0
  movdqa %xmm1,%xmm2
  punpcklwd %xmm6,%xmm1
  punpckhwd %xmm6,%xmm2
  movdqa %xmm1,%xmm3
  punpckhwd %xmm2,%xmm3
  punpcklwd %xmm2,%xmm1
  movdqa %xmm5,%xmm2
  punpcklwd %xmm3,%xmm1
  punpcklwd %xmm7,%xmm2
  movdqa %xmm5,%xmm3
  punpckhwd %xmm7,%xmm3
  movdqa %xmm2,%xmm4
  pand   %xmm10,%xmm1
  punpckhwd %xmm3,%xmm4
  punpcklwd %xmm3,%xmm2
  punpcklwd %xmm4,%xmm2
  pand   %xmm10,%xmm2
  packuswb %xmm2,%xmm1
  movdqa D27(%rip),%xmm2
  pxor   %xmm1,%xmm0
  paddb  %xmm0,%xmm2
  paddb  D3(%rip),%xmm0
  movdqa %xmm2,%xmm1
  pcmpgtb D18(%rip),%xmm1
  pand   %xmm1,%xmm0
  pandn  %xmm2,%xmm1
  por    %xmm0,%xmm1
  movups %xmm1,0x0(%r13,%rax,1)
  add    $0x10,%rax
  cmp    %rdx,%rax
  jne    L107
  mov    %r8d,%edx
  and    $0xfffffff0,%edx
  test   $0xf,%r8b
  je     L39
L97:
  movslq %edx,%rdx
L1:
  movsbl (%rbx,%rdx,1),%edi
  movsbl (%r12,%rdx,1),%esi
  lea    -0x30(%rdi),%ecx
  lea    -0x30(%rsi),%eax
  sub    $0x57,%edi
  cmp    $0x9,%ecx
  cmovg  %edi,%ecx
  sub    $0x57,%esi
  cmp    $0x9,%eax
  cmovg  %esi,%eax
  xor    %ecx,%eax
  lea    0x30(%rax),%ecx
  cmp    $0x39,%cl
  jg     L73
  mov    %cl,0x0(%r13,%rdx,1)
  add    $0x1,%rdx
  cmp    %edx,%r8d
  jg     L1
L39:
  mov    %r8d,%edi
  movb   $0x0,0x0(%r13,%r9,1)
  call   <malloc@plt>
  mov    %r13,%rsi
  mov    %rax,%rdi
  mov    %rax,%r12
  call   <strcpy@plt>
  mov    -0x28(%rbp),%rax
  sub    %fs:0x28,%rax
  jne    L94
  lea    -0x18(%rbp),%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %rbp
  ret
  nopw   0x0(%rax,%rax,1)
L73:
  add    $0x57,%eax
  mov    %al,0x0(%r13,%rdx,1)
  add    $0x1,%rdx
  cmp    %edx,%r8d
  jg     L1
  jmp    L39
  nop
L46:
  orq    $0x0,-0x8(%rsp,%rdx,1)
  jmp    L76
L69:
  xor    %edx,%edx
  jmp    L97
L94:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: label: D21
type_guessed: byte[16]
name: unpack_data
arguments: label: D42
type_guessed: byte[16]
name: unpack_data
arguments: label: D29
type_guessed: byte[16]
name: unpack_data
arguments: label: D17
type_guessed: byte[16]
name: unpack_data
arguments: label: D27
type_guessed: byte[16]
name: unpack_data
arguments: label: D3
type_guessed: byte[16]
name: unpack_data
arguments: label: D18
type_guessed: byte[16]

tool: {"D21": [0xd0,0xff,0xff,0xff,0xd0,0xff,0xff,0xff,0xd0,0xff,0xff,0xff,0xd0,0xff,0xff,0xff]}

tool: {"D42": [0x09,0x00,0x00,0x00,0x09,0x00,0x00,0x00,0x09,0x00,0x00,0x00,0x09,0x00,0x00,0x00]}

tool: {"D29": [0xa9,0xff,0xff,0xff,0xa9,0xff,0xff,0xff,0xa9,0xff,0xff,0xff,0xa9,0xff,0xff,0xff]}

tool: {"D17": [0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00]}

tool: {"D27": [0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x30]}

tool: {"D3": [0x57,0x57,0x57,0x57,0x57,0x57,0x57,0x57,0x57,0x57,0x57,0x57,0x57,0x57,0x57,0x57]}

tool: {"D18": [0x39,0x39,0x39,0x39,0x39,0x39,0x39,0x39,0x39,0x39,0x39,0x39,0x39,0x39,0x39,0x39]}

assistant: ```c
char *fixed_xor(char *buffer1, char *buffer2) {
  int length = strlen(buffer1);
  char result[length];
  int i, b1, b2;
  for (i = 0; i < length; i++) {
    b1 = buffer1[i] - '0';
    b2 = buffer2[i] - '0';
    if (b1 >= 10)
      b1 -= 39;
    if (b2 >= 10)
      b2 -= 39;
    int hexNumber = (b1 ^ b2);
    char encodeCharater = hexNumber + '0';
    if (encodeCharater > 57)
      encodeCharater += 39;
    result[i] = encodeCharater;
  }
  result[length] = '\0';
  char *res = malloc(length);
  strcpy(res, result);
  return res;
}
```