120 lines
3.0 KiB
C++
Executable File
120 lines
3.0 KiB
C++
Executable File
#include "master.hpp"
|
|
|
|
namespace factor
|
|
{
|
|
|
|
THREADHANDLE start_thread(void *(*start_routine)(void *), void *args)
|
|
{
|
|
return (void *)CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)start_routine, args, 0, 0);
|
|
}
|
|
|
|
u64 system_micros()
|
|
{
|
|
FILETIME t;
|
|
GetSystemTimeAsFileTime(&t);
|
|
return (((u64)t.dwLowDateTime | (u64)t.dwHighDateTime<<32)
|
|
- EPOCH_OFFSET) / 10;
|
|
}
|
|
|
|
u64 nano_count()
|
|
{
|
|
LARGE_INTEGER count;
|
|
LARGE_INTEGER frequency;
|
|
static u32 hi = 0;
|
|
static u32 lo = 0;
|
|
BOOL ret;
|
|
ret = QueryPerformanceCounter(&count);
|
|
if(ret == 0)
|
|
fatal_error("QueryPerformanceCounter", 0);
|
|
ret = QueryPerformanceFrequency(&frequency);
|
|
if(ret == 0)
|
|
fatal_error("QueryPerformanceFrequency", 0);
|
|
|
|
#ifdef FACTOR_64
|
|
hi = count.HighPart;
|
|
#else
|
|
/* On VirtualBox, QueryPerformanceCounter does not increment
|
|
the high part every time the low part overflows. Workaround. */
|
|
if(lo > count.LowPart)
|
|
hi++;
|
|
#endif
|
|
lo = count.LowPart;
|
|
|
|
return (u64)((((u64)hi << 32) | (u64)lo)*(1000000000.0/frequency.QuadPart));
|
|
}
|
|
|
|
void sleep_nanos(u64 nsec)
|
|
{
|
|
Sleep((DWORD)(nsec/1000000));
|
|
}
|
|
|
|
LONG factor_vm::exception_handler(PEXCEPTION_POINTERS pe)
|
|
{
|
|
PEXCEPTION_RECORD e = (PEXCEPTION_RECORD)pe->ExceptionRecord;
|
|
CONTEXT *c = (CONTEXT*)pe->ContextRecord;
|
|
|
|
c->ESP = (cell)fix_callstack_top((stack_frame *)c->ESP);
|
|
signal_callstack_top = (stack_frame *)c->ESP;
|
|
|
|
switch (e->ExceptionCode)
|
|
{
|
|
case EXCEPTION_ACCESS_VIOLATION:
|
|
signal_fault_addr = e->ExceptionInformation[1];
|
|
c->EIP = (cell)factor::memory_signal_handler_impl;
|
|
break;
|
|
|
|
case STATUS_FLOAT_DENORMAL_OPERAND:
|
|
case STATUS_FLOAT_DIVIDE_BY_ZERO:
|
|
case STATUS_FLOAT_INEXACT_RESULT:
|
|
case STATUS_FLOAT_INVALID_OPERATION:
|
|
case STATUS_FLOAT_OVERFLOW:
|
|
case STATUS_FLOAT_STACK_CHECK:
|
|
case STATUS_FLOAT_UNDERFLOW:
|
|
case STATUS_FLOAT_MULTIPLE_FAULTS:
|
|
case STATUS_FLOAT_MULTIPLE_TRAPS:
|
|
#ifdef FACTOR_64
|
|
signal_fpu_status = fpu_status(MXCSR(c));
|
|
#else
|
|
signal_fpu_status = fpu_status(X87SW(c) | MXCSR(c));
|
|
X87SW(c) = 0;
|
|
#endif
|
|
MXCSR(c) &= 0xffffffc0;
|
|
c->EIP = (cell)factor::fp_signal_handler_impl;
|
|
break;
|
|
case 0x40010006:
|
|
/* If the Widcomm bluetooth stack is installed, the BTTray.exe
|
|
process injects code into running programs. For some reason this
|
|
results in random SEH exceptions with this (undocumented)
|
|
exception code being raised. The workaround seems to be ignoring
|
|
this altogether, since that is what happens if SEH is not
|
|
enabled. Don't really have any idea what this exception means. */
|
|
break;
|
|
default:
|
|
signal_number = e->ExceptionCode;
|
|
c->EIP = (cell)factor::misc_signal_handler_impl;
|
|
break;
|
|
}
|
|
return EXCEPTION_CONTINUE_EXECUTION;
|
|
}
|
|
|
|
FACTOR_STDCALL(LONG) exception_handler(PEXCEPTION_POINTERS pe)
|
|
{
|
|
return current_vm()->exception_handler(pe);
|
|
}
|
|
|
|
void factor_vm::c_to_factor_toplevel(cell quot)
|
|
{
|
|
if(!AddVectoredExceptionHandler(0, (PVECTORED_EXCEPTION_HANDLER)factor::exception_handler))
|
|
fatal_error("AddVectoredExceptionHandler failed", 0);
|
|
|
|
c_to_factor(quot);
|
|
|
|
RemoveVectoredExceptionHandler((void *)factor::exception_handler);
|
|
}
|
|
|
|
void factor_vm::open_console()
|
|
{
|
|
}
|
|
|
|
}
|