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Kernel+LibC: Add a dump_backtrace() syscall.

This is very simple but already very useful. Now you're able to call to
dump_backtrace() from anywhere userspace to get a nice symbolicated
backtrace in the debugger output. :^)
This commit is contained in:
Andreas Kling 2019-07-21 09:59:17 +02:00
parent 3965fcc484
commit d2b521f0ab
6 changed files with 18 additions and 1 deletions

View file

@ -291,6 +291,8 @@ static u32 handle(RegisterDump& regs, u32 function, u32 arg1, u32 arg2, u32 arg3
case Syscall::SC_reboot: {
return current->process().sys$reboot();
}
case Syscall::SC_dump_backtrace:
return current->process().sys$dump_backtrace();
default:
kprintf("<%u> int0x82: Unknown function %u requested {%x, %x, %x}\n", current->process().pid(), function, arg1, arg2, arg3);
return -ENOSYS;