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    $0x478,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x468(%rsp)
  xor    %eax,%eax
  cmp    $0x3,%edi
  jne    L200
  mov    %rsi,%rbx
  mov    0x8(%rsi),%rdi
  call   <atof@plt>
  pxor   %xmm3,%xmm3
  cvtsi2ss %rax,%xmm3
  movss  %xmm3,0xc(%rsp)
  mov    0x10(%rbx),%rbx
  pxor   %xmm0,%xmm0
  cvtss2sd %xmm3,%xmm0
  lea    D40(%rip),%rdi
  mov    $0x1,%eax
  call   <printf@plt>
  lea    D44(%rip),%rsi
  mov    %rbx,%rdi
  call   <fopen@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  je     L47
  mov    %rbx,%rsi
  lea    D12(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    0x30(%rsp),%rsi
  mov    %rbx,%rdi
  call   <stat@plt>
  mov    $0x0,%eax
  call   <tmpfile@plt>
  mov    %rax,%rbx
  test   %rax,%rax
  je     L114
  lea    0x60(%rsp),%r12
L89:
  mov    %rbp,%rdx
  mov    $0x400,%esi
  mov    %r12,%rdi
  call   <fgets@plt>
  mov    %rbp,%rdi
  call   <feof@plt>
  test   %rax,%rax
  jne    L190
  mov    %rbx,%rsi
  mov    %r12,%rdi
  call   <fputs@plt>
  jmp    L89
L200:
  lea    D72(%rip),%rdi
  call   <puts@plt>
  mov    $0xffffffff,%eax
  jmp    L26
L47:
  mov    %rbx,%rsi
  lea    D3(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0xffffffff,%eax
  jmp    L26
L114:
  lea    D19(%rip),%rdi
  call   <puts@plt>
  mov    $0xffffffff,%eax
  jmp    L26
L190:
  mov    %rbx,%rdi
  call   <fflush@plt>
  mov    %rbp,%rdi
  call   <fclose@plt>
  mov    %rbx,%rdi
  call   <fileno@plt>
  mov    %eax,%edi
  lea    0x38(%rsp),%rsi
  call   <fstat@plt>
  mov    0x30(%rsp),%rsi
  mov    0x38(%rsp),%rax
  cmp    %rax,%rsi
  jne    L40
L49:
  mov    %rbx,%rdi
  call   <rewind@plt>
  lea    0x60(%rsp),%rbp
  lea    D46(%rip),%r12
  lea    D92(%rip),%r13
L82:
  mov    %rbx,%rdi
  call   <feof@plt>
  test   %rax,%rax
  jne    L13
  mov    %rbx,%rdx
  mov    $0x400,%esi
  mov    %rbp,%rdi
  call   <fgets@plt>
  mov    $0x2,%edx
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <strncmp@plt>
  test   %rax,%rax
  jne    L90
  mov    %rbp,%rsi
  mov    %r13,%rdi
  call   <printf@plt>
  jmp    L82
L40:
  sub    %rax,%rsi
  lea    D63(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  jmp    L49
L90:
  lea    0x20(%rsp),%rdx
  lea    0x60(%rsp),%rdi
  lea    D118(%rip),%rsi
  call   <sscanf@plt>
L13:
  lea    D46(%rip),%r13
  lea    D118(%rip),%r15
  lea    D92(%rip),%r14
  jmp    L76
L150:
  lea    0x28(%rsp),%rdx
  lea    0x60(%rsp),%rdi
  mov    %r15,%rsi
  call   <sscanf@plt>
  jmp    L53
L163:
  mov    %rbx,%rdi
  call   <rewind@plt>
L39:
  movsd  0x28(%rsp),%xmm0
  movsd  %xmm0,0x20(%rsp)
L76:
  mov    %rbx,%rdi
  call   <feof@plt>
  test   %rax,%rax
  jne    L116
  mov    %rbx,%rdi
  call   <ftell@plt>
  mov    %rax,%r12
  lea    0x60(%rsp),%rbp
  mov    %rbx,%rdx
  mov    $0x400,%esi
  mov    %rbp,%rdi
  call   <fgets@plt>
  mov    $0x2,%edx
  mov    %r13,%rsi
  mov    %rbp,%rdi
  call   <strncmp@plt>
  test   %rax,%rax
  jne    L150
  mov    %rbp,%rsi
  mov    %r14,%rdi
  call   <printf@plt>
L53:
  mov    %rbx,%rdi
  call   <ftell@plt>
  mov    %rax,%rbp
  movsd  0x28(%rsp),%xmm0
  subsd  0x20(%rsp),%xmm0
  call   <fabs@plt>
  comiss 0xc(%rsp),%xmm0
  jbe    L39
  sub    %r12,%rbp
  test   %rbp,%rbp
  jle    L39
  cvttsd2si 0x20(%rsp),%eax
  mov    %eax,0x1c(%rsp)
  lea    0x40(%rsp),%r12
  lea    0x1c(%rsp),%rdi
  mov    %r12,%rsi
  call   <ctime_r@plt>
  movsd  0x20(%rsp),%xmm1
  movsd  0x28(%rsp),%xmm0
  subsd  %xmm1,%xmm0
  mov    %r12,%rsi
  lea    D50(%rip),%rdi
  mov    $0x2,%eax
  call   <printf@plt>
  mov    %rbp,%rsi
  movsd  0x28(%rsp),%xmm0
  mov    %rbx,%rdi
  call   <copySplitData@plt>
  mov    %rax,%rbx
  mov    %rax,%rdi
  call   <ftell@plt>
  test   %rax,%rax
  jne    L163
L116:
  mov    %rbx,%rdi
  call   <fclose@plt>
  mov    $0x0,%eax
L26:
  mov    0x468(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L152
  add    $0x478,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L152:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: label: D40
datatype: string
name: extract_symbolic_data
arguments: label: D44
datatype: string
name: extract_symbolic_data
arguments: label: D12
datatype: string
name: extract_symbolic_data
arguments: label: D72
datatype: string
name: extract_symbolic_data
arguments: label: D3
datatype: string
name: extract_symbolic_data
arguments: label: D19
datatype: string
name: extract_symbolic_data
arguments: label: D46
datatype: string
name: extract_symbolic_data
arguments: label: D92
datatype: string
name: extract_symbolic_data
arguments: label: D63
datatype: string
name: extract_symbolic_data
arguments: label: D118
datatype: string
name: extract_symbolic_data
arguments: label: D50
datatype: string

tool: D40: I: Minimum time difference is: %f seconds.


tool: D44: r+

tool: D12: I: Opening %s ...[success]


tool: D72: 
 logsplitter - split a log file into smaller chunks, based on the consecutive timestamp difference

USAGE:  logsplitter [min_time_difference_in_seconds] [FILE]


tool: D3: E: Opening %s ...[failed]


tool: D19: E: Cannot create a temporary file! Aborting...

tool: D46: ##

tool: D92: > ignoring: %s

tool: D63: E: The temporary file differs than the original log file by %ld bytes! Aborting...

tool: D118: %lf

tool: D50: I: Break (%f) needed after T = %f -> %s

assistant: ```c
int main(int argc, const char **argv) {
  char buf[1024];
  double t1, t2;
  FILE *fd, *tempfd;
  long before, after;
  char btime[26];
  const char *base_filename;
  float min_timedifference;
  struct stat fbuf;
  struct stat ftempbuf;
  if (argc != 3) {
    printf("\n"
           " logsplitter - split a log file into smaller chunks, based on the consecutive timestamp difference\n\n"
           "USAGE:  logsplitter [min_time_difference_in_seconds] [FILE]\n\n");
    return -1;
  }
  min_timedifference = (float)atof(argv[1]);
  base_filename = argv[2];
  printf("I: Minimum time difference is: %f seconds.\n", min_timedifference);
  fd = fopen(base_filename, "r+");
  if (!fd) {
    printf("E: Opening %s ...[failed]\n", base_filename);
    return -1;
  } else
    printf("I: Opening %s ...[success]\n", base_filename);
  stat(base_filename, &fbuf);
  if ((tempfd = tmpfile()) == NULL) {
    printf("E: Cannot create a temporary file! Aborting...\n");
    return -1;
  }
  while (1) {
    fgets(buf, 1024, fd);
    if (feof(fd))
      break;
    fputs(buf, tempfd);
  }
  fflush(tempfd);
  fclose(fd);
  fstat(fileno(tempfd), &ftempbuf);
  if ((fbuf.st_size - ftempbuf.st_size) != 0) {
    printf("E: The temporary file differs than the original log file by %ld bytes! Aborting...", fbuf.st_size - ftempbuf.st_size);
  }
  rewind(tempfd);
  while (!feof(tempfd)) {
    fgets(buf, 1024, tempfd);
    if (strncmp(buf, "##", 2) == 0)
      printf("> ignoring: %s", buf);
    else {
      sscanf(buf, "%lf", &t1);
      break;
    }
  }
  while (!feof(tempfd)) {
    before = ftell(tempfd);
    fgets(buf, 1024, tempfd);
    if (strncmp(buf, "##", 2) == 0)
      printf("> ignoring: %s", buf);
    else
      sscanf(buf, "%lf", &t2);
    after = ftell(tempfd);
    if ((fabs(t2 - t1) > min_timedifference) && (after - before > 0)) {
      time_t t = (time_t)t1;
      ctime_r(&t, btime);
      printf("I: Break (%f) needed after T = %f -> %s", t2 - t1, t1, btime);
      tempfd = copySplitData(tempfd, t2, after - before);
      if (ftell(tempfd) == 0)
        break;
      rewind(tempfd);
    }
    t1 = t2;
  }
  fclose(tempfd);
  return 0;
}
```