user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<searchLoop>:
  endbr64
  push   %r15
  mov    %rdx,%rax
  mov    %rcx,%r15
  push   %r14
  mov    %r8,%r14
  push   %r13
  push   %r12
  mov    %rdx,%r12
  xor    %edx,%edx
  div    %r8
  push   %rbp
  push   %rbx
  sub    $0x38,%rsp
  mov    %rsi,(%rsp)
  sub    %rcx,%rsi
  mov    %rdi,0x18(%rsp)
  mov    %rcx,0x28(%rsp)
  mov    %rsi,0x20(%rsp)
  lea    (%rdx,%r12,1),%rax
  mov    %rax,0x8(%rsp)
  cmp    %rax,%rsi
  jbe    L30
  nopl   0x0(%rax,%rax,1)
L164:
  movabs $0x1cac083126e978d5,%rax
  imul   0x8(%rsp),%rax
  movabs $0x4189374bc6a7ef,%rdx
  ror    $0x3,%rax
  cmp    %rdx,%rax
  jbe    L54
L163:
  mov    0x8(%rsp),%rax
  xor    %edx,%edx
  xor    %edi,%edi
  div    %r14
  test   %rdx,%rdx
  sete   %dil
  call   <assert@plt>
  mov    0x28(%rsp),%r15
  mov    0x8(%rsp),%rax
  mov    %r15,%r12
  add    %rax,%r12
  cmp    %r12,0x20(%rsp)
  jbe    L16
  mov    0x18(%rsp),%rdx
  mov    %r15,%r13
  xor    %ebx,%ebx
  mov    %r12,%r15
  add    %rax,%rdx
  mov    %rdx,0x10(%rsp)
  jmp    L77
  nopl   0x0(%rax)
L136:
  add    %r14,%r15
L0:
  mov    (%rsp),%rax
  sub    %r13,%rax
  cmp    %rax,%r15
  jae    L132
L77:
  mov    0x18(%rsp),%rax
  mov    0x10(%rsp),%rdi
  mov    %r13,%rdx
  lea    (%rax,%r15,1),%rbp
  mov    %rbp,%rsi
  call   <memcmp@plt>
  test   %eax,%eax
  jne    L136
  mov    0x8(%rsp),%rax
  lea    0x0(%r13,%r15,1),%rbx
  lea    0x0(%r13,%rax,1),%r12
  cmp    %rbx,(%rsp)
  jbe    L133
  cmp    %r15,%r12
  jae    L195
  mov    %r14,%rax
  mov    %r13,%r14
  mov    %rax,%r13
  jmp    L78
  nopl   0x0(%rax)
L146:
  mov    0x8(%rsp),%rax
  add    %r13,%r14
  add    %r13,%rbx
  lea    (%r14,%rax,1),%r12
  lea    (%r14,%r15,1),%rax
  cmp    %rax,(%rsp)
  jbe    L8
  cmp    %r12,%r15
  jbe    L22
L78:
  mov    0x10(%rsp),%rax
  lea    0x0(%rbp,%r14,1),%rsi
  mov    %r13,%rdx
  lea    (%rax,%r14,1),%rdi
  call   <memcmp@plt>
  test   %eax,%eax
  je     L146
L22:
  mov    %r13,%rax
  mov    %r14,%r13
  mov    %rax,%r14
L195:
  cmp    %r15,%r12
  je     L26
L103:
  mov    0x8(%rsp),%rbp
  mov    %r15,%rcx
  mov    %r13,%rsi
  xor    %eax,%eax
  lea    D26(%rip),%rdi
  mov    %rbp,%rdx
  call   <printf@plt>
  mov    %r15,%rax
  mov    %rbx,%r15
  mov    %r13,%rbx
  sub    %rbp,%rax
  mov    %rax,%r13
  mov    (%rsp),%rax
  sub    %r13,%rax
  cmp    %rax,%r15
  jb     L77
  nopl   0x0(%rax)
L132:
  mov    %r13,%r15
  test   %rbx,%rbx
  je     L142
  add    %rbx,0x8(%rsp)
L128:
  cmp    %rax,0x8(%rsp)
  jb     L164
L30:
  add    $0x38,%rsp
  lea    D8(%rip),%rdi
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1080 <puts@plt>
  nopw   0x0(%rax,%rax,1)
L8:
  mov    %r13,%rax
  mov    %r14,%r13
  mov    %rax,%r14
L133:
  cmp    %r15,%r12
  je     L26
  cmp    %rbx,(%rsp)
  jne    L103
L26:
  mov    0x8(%rsp),%rsi
  mov    %r15,%rcx
  mov    %r13,%rdx
  xor    %eax,%eax
  lea    D35(%rip),%rdi
  mov    %rbx,%r15
  mov    %r13,%rbx
  add    %r13,%r13
  call   <printf@plt>
  jmp    L0
L16:
  mov    0x20(%rsp),%rax
  mov    0x28(%rsp),%r15
L142:
  add    %r14,0x8(%rsp)
  jmp    L128
L54:
  mov    0x8(%rsp),%rsi
  mov    %r15,%rdx
  lea    D16(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  jmp    L163
```

tool_calls: name: extract_symbolic_data
arguments: tag: D26
datatype: string
name: extract_symbolic_data
arguments: tag: D8
datatype: string
name: extract_symbolic_data
arguments: tag: D35
datatype: string
name: extract_symbolic_data
arguments: tag: D16
datatype: string

tool: D26: match of length %d found at %d and %d


tool: D8: no loops found :-/

tool: D35: (possible) loop found at offset %d, length %d, repeats at %d!


tool: D16: approaching startpos %d with samplesize %d


assistant: ```c
void searchLoop(char *buf, size_t bufsize, size_t startpos, size_t minsize, size_t blocksize) {
  size_t samplesize = minsize;
  size_t save = 0;
  size_t scanpos = 0;
  startpos += startpos % blocksize;
  while (startpos < bufsize - samplesize) {
    if (startpos % 1000 == 0)
      printf("approaching startpos %d with samplesize %d\n", startpos, samplesize);
    assert(startpos % blocksize == 0);
    samplesize = minsize;
    scanpos = startpos + minsize;
    save = 0;
    while (scanpos < bufsize - samplesize) {
      if (!memcmp(buf + startpos, buf + scanpos, samplesize)) {
        while (scanpos + samplesize < bufsize && startpos + samplesize < scanpos && !memcmp(buf + startpos + samplesize, buf + scanpos + samplesize, blocksize))
          samplesize += blocksize;
        if (startpos + samplesize == scanpos || scanpos + samplesize == bufsize) {
          printf("(possible) loop found at offset %d, length %d, repeats at %d!\n", startpos, samplesize, scanpos);
          save = samplesize;
          samplesize *= 2;
          scanpos += save;
        } else {
          printf("match of length %d found at %d and %d\n", samplesize, startpos, scanpos);
          save = samplesize;
          samplesize = scanpos - startpos;
          scanpos += save;
        }
      } else
        scanpos += blocksize;
    }
    if (save)
      startpos += save;
    else
      startpos += blocksize;
  }
  printf("no loops found :-/\n");
}
```