user: What would the C source look like for the assembly code provided here?

```asm
<fpe>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x818,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x808(%rsp)
  mov    (%rsi),%eax
  add    $0xffffff80,%eax
  cmp    $0x7,%eax
  ja     L31
  lea    D90(%rip),%rdx
  movslq (%rdx,%rax,4),%rax
  add    %rdx,%rax
  notrack jmp *%rax
  nopl   0x0(%rax)
  lea    D47(%rip),%rdi
  xor    %eax,%eax
  call   <log_err@plt>
  cs nopw 0x0(%rax,%rax,1)
L22:
  mov    %rsp,%r12
  mov    $0x800,%esi
  mov    %r12,%rdi
  call   <backtrace@plt>
  mov    %r12,%rdi
  movslq %eax,%rbp
  mov    %ebp,%esi
  call   <backtrace_symbols@plt>
  mov    %rax,%r12
  test   %ebp,%ebp
  jle    L32
  xor    %ebx,%ebx
  lea    D84(%rip),%r13
  nopl   (%rax)
L79:
  mov    (%r12,%rbx,8),%rdx
  mov    %ebx,%esi
  mov    %r13,%rdi
  xor    %eax,%eax
  add    $0x1,%rbx
  call   <log_err@plt>
  cmp    %rbp,%rbx
  jne    L79
L32:
  xor    %eax,%eax
  call   <abort@plt>
  mov    0x808(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L76
  add    $0x818,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   (%rax)
  lea    D82(%rip),%rdi
  xor    %eax,%eax
  call   <log_err@plt>
  jmp    L22
  nopl   0x0(%rax,%rax,1)
  lea    D86(%rip),%rdi
  xor    %eax,%eax
  call   <log_err@plt>
  jmp    L22
  nopl   0x0(%rax,%rax,1)
  lea    D51(%rip),%rdi
  xor    %eax,%eax
  call   <log_err@plt>
  jmp    L22
  nopl   0x0(%rax,%rax,1)
  lea    D103(%rip),%rdi
  xor    %eax,%eax
  call   <log_err@plt>
  jmp    L22
  nopl   0x0(%rax,%rax,1)
  lea    D70(%rip),%rdi
  xor    %eax,%eax
  call   <log_err@plt>
  jmp    L22
  nopl   0x0(%rax,%rax,1)
  lea    D95(%rip),%rdi
  xor    %eax,%eax
  call   <log_err@plt>
  jmp    L22
  nopl   0x0(%rax,%rax,1)
  lea    D72(%rip),%rdi
  xor    %eax,%eax
  call   <log_err@plt>
  jmp    L22
L31:
  mov    0x4(%rsi),%esi
  lea    D30(%rip),%rdi
  xor    %eax,%eax
  call   <log_err@plt>
  jmp    L22
L76:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: tag: D47
data_type: string
name: unpack_data
arguments: tag: D84
data_type: string
name: unpack_data
arguments: tag: D82
data_type: string
name: unpack_data
arguments: tag: D86
data_type: string
name: unpack_data
arguments: tag: D51
data_type: string
name: unpack_data
arguments: tag: D103
data_type: string
name: unpack_data
arguments: tag: D70
data_type: string
name: unpack_data
arguments: tag: D95
data_type: string
name: unpack_data
arguments: tag: D72
data_type: string
name: unpack_data
arguments: tag: D30
data_type: string

tool: D47: FPE: floating point invalid operation

tool: D84: frame(%03d): %s

tool: D82: FPE: floating point divide by zero

tool: D86: FPE: integer overflow

tool: D51: FPE: integer divide by zero

tool: D103: FPE: floating point underflow

tool: D70: FPE: floating point sudirript out of range

tool: D95: FPE: floating point inexact result

tool: D72: FPE: floating point overflow

tool: D30: FPE at address %p


assistant: ```c
void fpe(int sig, siginfo_t *info, void *data) {
  int i;
  int frame_count = 0;
  void *pointers[256];
  switch (info->si_code) {
  case FPE_INTDIV:
    log_err("FPE: integer divide by zero");
    break;
  case FPE_INTOVF:
    log_err("FPE: integer overflow");
    break;
  case FPE_FLTDIV:
    log_err("FPE: floating point divide by zero");
    break;
  case FPE_FLTOVF:
    log_err("FPE: floating point overflow");
    break;
  case FPE_FLTUND:
    log_err("FPE: floating point underflow");
    break;
  case FPE_FLTRES:
    log_err("FPE: floating point inexact result");
    break;
  case FPE_FLTINV:
    log_err("FPE: floating point invalid operation");
    break;
  case FPE_FLTSUB:
    log_err("FPE: floating point sudirript out of range");
    break;
  default:
    log_err("FPE at address %p\n", info->si_addr);
    break;
  }
  frame_count = backtrace(pointers, sizeof(pointers));
  char **frames = backtrace_symbols(pointers, frame_count);
  for (i = 0; i < frame_count; ++i) {
    log_err("frame(%03d): %s", i, frames[i]);
  }
  abort();
}
```