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some signals set siginfo.si_code

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This commit is contained in:
Tomoki Shirasawa
2015-04-14 15:11:36 +09:00
parent a0d909af75
commit f4162dff52
2 changed files with 16 additions and 0 deletions
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15
kernel/mem.c
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@ -381,9 +381,24 @@ static void page_fault_handler(void *fault_addr, uint64_t reason, void *regs)
unhandled_page_fault(proc, fault_addr, regs);
memset(&info, '\0', sizeof info);
if (error == -ERANGE) {
info.si_signo = SIGBUS;
info.si_code = BUS_ADRERR;
info._sifields._sigfault.si_addr = fault_addr;
set_signal(SIGBUS, regs, &info);
}
else {
struct process_vm *vm = proc->vm;
struct vm_range *range;
info.si_signo = SIGSEGV;
info.si_code = SEGV_MAPERR;
list_for_each_entry(range, &vm->vm_range_list, list) {
if (range->start <= (unsigned long)fault_addr && range->end > (unsigned long)fault_addr) {
info.si_code = SEGV_ACCERR;
break;
}
}
info._sifields._sigfault.si_addr = fault_addr;
set_signal(SIGSEGV, regs, &info);
}
check_signal(0, regs);