user: 下面的汇编指令对应的C源代码是什么:

```asm
<x62_Tag_DescriptorParser>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,-0x14(%rbp)
  mov    %rsi,-0x20(%rbp)
  movl   $0x0,-0x4(%rbp)
  cmpq   $0x0,-0x20(%rbp)
  jne    L35
  mov    $0xffffffff,%eax
  jmp    L13
L35:
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  movzbl %al,%edx
  mov    -0x14(%rbp),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <Parser_DisplayTagInfo@plt>
  mov    -0x20(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  movzbl %al,%edx
  mov    -0x14(%rbp),%eax
  lea    D30(%rip),%rcx
  mov    %rcx,%rsi
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <Parser_TsPacketLog@plt>
  mov    -0x20(%rbp),%rax
  add    $0x2,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  and    $0x3,%eax
  mov    %eax,%edx
  mov    -0x14(%rbp),%eax
  lea    D31(%rip),%rcx
  mov    %rcx,%rsi
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <Parser_TsPacketLog@plt>
  mov    -0x20(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  cmp    $0x1,%al
  jbe    L3
  movl   $0x1,-0x4(%rbp)
  jmp    L1
L26:
  mov    -0x4(%rbp),%eax
  add    $0x2,%eax
  mov    %eax,%edx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  shl    $0x18,%eax
  mov    %eax,%edx
  mov    -0x4(%rbp),%eax
  add    $0x3,%eax
  mov    %eax,%ecx
  mov    -0x20(%rbp),%rax
  add    %rcx,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  shl    $0x10,%eax
  or     %eax,%edx
  mov    -0x4(%rbp),%eax
  add    $0x4,%eax
  mov    %eax,%ecx
  mov    -0x20(%rbp),%rax
  add    %rcx,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  shl    $0x8,%eax
  or     %eax,%edx
  mov    -0x4(%rbp),%eax
  add    $0x5,%eax
  mov    %eax,%ecx
  mov    -0x20(%rbp),%rax
  add    %rcx,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  or     %eax,%edx
  mov    -0x14(%rbp),%eax
  lea    D3(%rip),%rcx
  mov    %rcx,%rsi
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <Parser_TsPacketLog@plt>
  addl   $0x4,-0x4(%rbp)
L1:
  mov    -0x20(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  cmp    %eax,-0x4(%rbp)
  jb     L26
L3:
  mov    -0x14(%rbp),%eax
  lea    D22(%rip),%rdx
  mov    %rdx,%rsi
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <Parser_TsPacketLog@plt>
  mov    -0x20(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
L13:
  leave
  ret
```

tool_calls: name: read_data
arguments: data_label: D30
type: string
name: read_data
arguments: data_label: D31
type: string
name: read_data
arguments: data_label: D3
type: string
name: read_data
arguments: data_label: D22
type: string

tool: D30: Descriptor_length = 0x%x


tool: D31: coding_type = 0x%x


tool: D3: centre_frequency = 0x%x


tool: D22: ******END******


assistant: ```c
int x62_Tag_DescriptorParser(unsigned int type, unsigned char *buff) {
  unsigned int i = 0;
  if (NULL == buff) {
    return -1;
  }
  Parser_DisplayTagInfo(type, buff[0]);
  Parser_TsPacketLog(type, "Descriptor_length = 0x%x\n", buff[1]);
  Parser_TsPacketLog(type, "coding_type = 0x%x\n", buff[2] & 0x03);
  if (buff[1] > 1) {
    for (i = 1; i < buff[1]; i += 4) {
      Parser_TsPacketLog(type, "centre_frequency = 0x%x\n", ((buff[i + 2] & 0xFF) << 24) | ((buff[i + 3] & 0xFF) << 16) | ((buff[i + 4] & 0xFF) << 8) | (buff[i + 5] & 0xFF));
    }
  }
  Parser_TsPacketLog(type, "******END******\n");
  return buff[1];
}
```