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

```asm
<b64Decode>:
  endbr64
  push   %r15
  pxor   %xmm0,%xmm0
  lea    D0(%rip),%rdi
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x168,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x158(%rsp)
  xor    %eax,%eax
  movaps %xmm0,0xb0(%rsp)
  lea    0xb0(%rsp),%r14
  movaps %xmm0,0xc0(%rsp)
  movaps %xmm0,0xd0(%rsp)
  movaps %xmm0,0xe0(%rsp)
  movaps %xmm0,0xf0(%rsp)
  movaps %xmm0,0x100(%rsp)
  movaps %xmm0,0x110(%rsp)
  movaps %xmm0,0x120(%rsp)
  movaps %xmm0,0x130(%rsp)
  movaps %xmm0,0x140(%rsp)
  movl   $0x0,0xc(%rsp)
  movb   $0x0,0x150(%rsp)
  call   <puts@plt>
  lea    0x10(%rsp),%rdi
  mov    $0xa0,%esi
  call   <getCode@plt>
  movsbl 0x10(%rsp),%ebx
  test   %bl,%bl
  je     L62
  lea    0xb0(%rsp),%r14
  lea    0x11(%rsp),%rbp
  xor    %r15d,%r15d
  mov    %r14,%r12
  lea    0xc(%rsp),%r13
  jmp    L123
  cs nopw 0x0(%rax,%rax,1)
L66:
  sub    $0x41,%ebx
L51:
  mov    %r15d,%eax
  add    $0x1,%r15d
  not    %eax
  and    $0x3,%eax
  lea    (%rax,%rax,2),%ecx
  mov    %r15d,%eax
  add    %ecx,%ecx
  and    $0x3,%eax
  shl    %cl,%ebx
  or     %ebx,0xc(%rsp)
  movsbl 0x0(%rbp),%ebx
  test   %bl,%bl
  je     L21
  test   %eax,%eax
  je     L44
L45:
  add    $0x1,%rbp
L123:
  mov    %ebx,%edi
  call   <isupper@plt>
  test   %rax,%rax
  jne    L66
  mov    %ebx,%edi
  call   <islower@plt>
  test   %rax,%rax
  je     L132
  sub    $0x47,%ebx
  jmp    L51
  nopl   (%rax)
L44:
  mov    %r12,%rdi
  mov    $0x3,%edx
  mov    %r13,%rsi
  add    $0x3,%r12
  call   <copy@plt>
  movl   $0x0,0xc(%rsp)
  movsbl 0x0(%rbp),%ebx
  jmp    L45
  nopw   0x0(%rax,%rax,1)
L132:
  mov    %ebx,%edi
  call   <isdigit@plt>
  test   %rax,%rax
  je     L137
  add    $0x4,%ebx
  jmp    L51
  nopl   0x0(%rax)
L21:
  and    $0x3,%r15d
  jne    L20
L62:
  xor    %eax,%eax
  mov    %r14,%rsi
  lea    D18(%rip),%rdi
  call   <printf@plt>
  mov    0x158(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L26
  add    $0x168,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax)
L137:
  cmp    $0x3d,%ebx
  je     L21
  add    $0x13,%ebx
  mov    $0x3f,%eax
  cmp    %eax,%ebx
  cmovg  %eax,%ebx
  jmp    L51
  nopw   0x0(%rax,%rax,1)
L20:
  mov    $0x4,%ecx
  lea    -0x1(%r15),%edx
  lea    0xc(%rsp),%rsi
  mov    %r12,%rdi
  sub    %r15d,%ecx
  shl    $0x3,%ecx
  sarl   %cl,0xc(%rsp)
  call   <copy@plt>
  jmp    L62
L26:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D0
type_infered: string
name: extract_symbolic_data
arguments: data_label: D18
type_infered: string

tool: D0: So give me some data

tool: D18: %s

assistant: ```c
void b64Decode(void) {
  int ch;
  int i, tmp = 0, flag = 1;
  char BaseCode[0xa0];
  char SourceCode[0xa0 + 1] = {0};
  char *pToSource = SourceCode;
  printf("So give me some data\n");
  getCode(BaseCode, 0xa0);
  for (i = 0; BaseCode[i]; i++) {
    if ((!(i % 4)) && i) {
      copy(pToSource, (char *)&tmp, 3);
      pToSource += 3;
      tmp = 0;
    }
    ch = BaseCode[i];
    if (isupper(ch)) {
      ch -= 'A';
    } else if (islower(ch)) {
      ch -= 'a' - 26;
    } else if (isdigit(ch)) {
      ch -= '0' - 52;
    } else if (ch - 61) {
      ch -= '+' - 62;
      if (ch > 63) {
        ch = 63;
      }
    } else {
      break;
    }
    tmp = tmp | (ch << (6 * (3 - i % 4)));
  }
  if (i % 4) {
    tmp = tmp >> ((4 - i % 4) * 8);
    copy(pToSource, (char *)&tmp, (i % 4) - 1);
  }
  printf("%s", SourceCode);
}
```