user: 下面的汇编指令对应的C源代码是什么:

```asm
<main>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x58,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x48(%rsp)
  xor    %eax,%eax
  movl   $0x60000000,0x10(%rsp)
  movl   $0x800,0x14(%rsp)
  movl   $0x7ff,0x18(%rsp)
  movl   $0x801,0x1c(%rsp)
  movl   $0x1fff,0x20(%rsp)
  movl   $0x40,0x24(%rsp)
  movl   $0x2,0x28(%rsp)
  movl   $0x4,0x2c(%rsp)
  movl   $0x8,0x30(%rsp)
  movl   $0x11,0x34(%rsp)
  movl   $0x0,0x38(%rsp)
  movl   $0x80000000,0x3c(%rsp)
  lea    0x10(%rsp),%rbx
  lea    0x40(%rsp),%r15
  lea    D18(%rip),%r14
L17:
  mov    $0x0,%eax
  call   <time_clocks@plt>
  mov    %eax,%r12d
  mov    (%rbx),%r13d
  lea    0x8(%rsp),%rsi
  mov    %r13d,%edi
  call   <errUnsignedToBase2Exponent@plt>
  mov    %eax,%ebp
  mov    $0x0,%eax
  call   <time_clocks@plt>
  sub    %r12d,%eax
  mov    %eax,%r8d
  mov    0x8(%rsp),%ecx
  mov    %r13d,%edx
  mov    %ebp,%esi
  mov    %r14,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  add    $0x4,%rbx
  cmp    %r15,%rbx
  jne    L17
  lea    D43(%rip),%rdi
  call   <puts@plt>
  lea    0xc(%rsp),%rsi
  mov    $0x800,%edi
  call   <errUnsignedToBase2Exponent@plt>
  mov    %eax,%esi
  mov    0xc(%rsp),%ecx
  mov    %ecx,%ebx
  mov    $0xaaaaaaab,%eax
  imul   %rax,%rbx
  mov    %rbx,%rbp
  shr    $0x20,%rbp
  shr    $0x21,%rbx
  mov    %ebx,%r8d
  mov    $0x800,%edx
  lea    D35(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    D30(%rip),%rdi
  call   <puts@plt>
  movzwl %bx,%ecx
  shr    $0x11,%ebp
  movzbl %bpl,%edx
  mov    %ebx,%esi
  lea    D3(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    D11(%rip),%rdi
  call   <puts@plt>
  mov    0x48(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L1
  mov    $0x0,%eax
  add    $0x58,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L1:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: tag: D18
type: string
name: extract_symbolic_data
arguments: tag: D43
type: string
name: extract_symbolic_data
arguments: tag: D35
type: string
name: extract_symbolic_data
arguments: tag: D30
type: string
name: extract_symbolic_data
arguments: tag: D3
type: string
name: extract_symbolic_data
arguments: tag: D11
type: string

tool: D18: Error=%02d	number=0x%08X	Base2Exponent=0x%08X		clocks:%d


tool: D43: 

------------------------- cube root demo ---------------------

tool: D35: Error=%02d	number=0x%08X	Base2Exponent=0x%08X	0x%08X


tool: D30: exact: 2048 ^ (1/3) = 12.699208

tool: D3: result: %X integer part = %X  fractional part = %X


tool: D11: means: 2 ^ ( 3 + 1/2 + 1/8 + 1/32 + 1/128 .... + 1/32768) = 12.699118

assistant: ```c
int main(int argc, char *argv[]) {
  unsigned num[] = {0x60000000, 2048, 2047, 2049, 0x1FFF, 0x40, 2, 4, 8, 17, 0, 0x80000000};
  unsigned n, n1, n2, exp, exp1, exp2;
  int err, i;
  int start, end;
  for (i = 0; i < sizeof(num) / sizeof(unsigned); i++) {
    start = time_clocks();
    err = errUnsignedToBase2Exponent(num[i], &exp);
    end = time_clocks();
    printf("Error=%02d\tnumber=0x%08X\tBase2Exponent=0x%08X\t\tclocks:%d\n", err, num[i], exp, end - start);
  }
  printf("\n\n------------------------- cube root demo ---------------------\n");
  n1 = 2048;
  err = errUnsignedToBase2Exponent(n1, &exp1);
  exp2 = exp1 / 3;
  printf("Error=%02d\tnumber=0x%08X\tBase2Exponent=0x%08X\t0x%08X\n", err, n1, exp1, exp2);
  printf("exact: 2048 ^ (1/3) = 12.699208\n");
  printf("result: %X integer part = %X  fractional part = %X\n", exp2, (exp2 & 0xFF0000) >> 16, exp2 & 0xFFFF);
  printf("means: 2 ^ ( 3 + 1/2 + 1/8 + 1/32 + 1/128 .... + 1/32768) = 12.699118\n");
  return 0;
}
```