steve
/
factor
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
factor/vm/os-macosx-x86.32.hpp

79 lines
2.4 KiB
C++
Raw Normal View History

on OS X, rather than define _XOPEN_SOURCE, use the non-deprecated sys/ucontext.h header instead
2009-08-26 17:44:25 -04:00
#include <sys/ucontext.h>
Use C++ namespaces
2009-05-04 02:46:13 -04:00
namespace factor
{
Porting VM to C++
2009-05-02 05:04:19 -04:00
/* Fault handler information. MacOSX version.
Copyright (C) 1993-1999, 2002-2003 Bruno Haible <clisp.org at bruno>
Copyright (C) 2003 Paolo Bonzini <gnu.org at bonzini>
Used under BSD license with permission from Paolo Bonzini and Bruno Haible,
2005-03-10:
http://sourceforge.net/mailarchive/message.php?msg_name=200503102200.32002.bruno%40clisp.org
Modified for Factor by Slava Pestov */
#define MACH_EXC_STATE_TYPE i386_exception_state_t
#define MACH_EXC_STATE_FLAVOR i386_EXCEPTION_STATE
#define MACH_EXC_STATE_COUNT i386_EXCEPTION_STATE_COUNT
save the FP status out of the signal context and use it as part of the fp trap factor exception. clear the FP status before continuing after an exception
2009-09-14 00:37:28 -04:00
Send FP trap signals to Factor as a different vm-error type
2009-09-06 09:44:25 -04:00
#define MACH_EXC_INTEGER_DIV EXC_I386_DIV
save the FP status out of the signal context and use it as part of the fp trap factor exception. clear the FP status before continuing after an exception
2009-09-14 00:37:28 -04:00
Porting VM to C++
2009-05-02 05:04:19 -04:00
#define MACH_THREAD_STATE_TYPE i386_thread_state_t
#define MACH_THREAD_STATE_FLAVOR i386_THREAD_STATE
#define MACH_THREAD_STATE_COUNT i386_THREAD_STATE_COUNT
save the FP status out of the signal context and use it as part of the fp trap factor exception. clear the FP status before continuing after an exception
2009-09-14 00:37:28 -04:00
#define MACH_FLOAT_STATE_TYPE i386_float_state_t
#define MACH_FLOAT_STATE_FLAVOR i386_FLOAT_STATE
#define MACH_FLOAT_STATE_COUNT i386_FLOAT_STATE_COUNT
Porting VM to C++
2009-05-02 05:04:19 -04:00
#if __DARWIN_UNIX03
#define MACH_EXC_STATE_FAULT(exc_state) (exc_state)->__faultvaddr
#define MACH_STACK_POINTER(thr_state) (thr_state)->__esp
#define MACH_PROGRAM_COUNTER(thr_state) (thr_state)->__eip
save the FP status out of the signal context and use it as part of the fp trap factor exception. clear the FP status before continuing after an exception
2009-09-14 00:37:28 -04:00
vm: hard tabs, indent width 8
2010-08-02 20:50:34 -04:00
#define UAP_SS(ucontext) &(((ucontext_t *)(ucontext))->uc_mcontext->__ss)
#define UAP_FS(ucontext) &(((ucontext_t *)(ucontext))->uc_mcontext->__fs)
save the FP status out of the signal context and use it as part of the fp trap factor exception. clear the FP status before continuing after an exception
2009-09-14 00:37:28 -04:00
vm: hard tabs, indent width 8
2010-08-02 20:50:34 -04:00
#define MXCSR(float_state) (float_state)->__fpu_mxcsr
#define X87SW(float_state) (float_state)->__fpu_fsw
Porting VM to C++
2009-05-02 05:04:19 -04:00
#else
#define MACH_EXC_STATE_FAULT(exc_state) (exc_state)->faultvaddr
#define MACH_STACK_POINTER(thr_state) (thr_state)->esp
#define MACH_PROGRAM_COUNTER(thr_state) (thr_state)->eip
save the FP status out of the signal context and use it as part of the fp trap factor exception. clear the FP status before continuing after an exception
2009-09-14 00:37:28 -04:00
vm: hard tabs, indent width 8
2010-08-02 20:50:34 -04:00
#define UAP_SS(ucontext) &(((ucontext_t *)(ucontext))->uc_mcontext->ss)
#define UAP_FS(ucontext) &(((ucontext_t *)(ucontext))->uc_mcontext->fs)
save the FP status out of the signal context and use it as part of the fp trap factor exception. clear the FP status before continuing after an exception
2009-09-14 00:37:28 -04:00
vm: hard tabs, indent width 8
2010-08-02 20:50:34 -04:00
#define MXCSR(float_state) (float_state)->fpu_mxcsr
#define X87SW(float_state) (float_state)->fpu_fsw
Porting VM to C++
2009-05-02 05:04:19 -04:00
#endif
save the FP status out of the signal context and use it as part of the fp trap factor exception. clear the FP status before continuing after an exception
2009-09-14 00:37:28 -04:00
#define UAP_PROGRAM_COUNTER(ucontext) \
vm: hard tabs, indent width 8
2010-08-02 20:50:34 -04:00
MACH_PROGRAM_COUNTER(UAP_SS(ucontext))
save the FP status out of the signal context and use it as part of the fp trap factor exception. clear the FP status before continuing after an exception
2009-09-14 00:37:28 -04:00
inline static unsigned int mach_fpu_status(i386_float_state_t *float_state)
{
vm: fix indentation in Joe's changes
2009-09-14 04:09:03 -04:00
unsigned short x87sw;
memcpy(&x87sw, &X87SW(float_state), sizeof(x87sw));
return MXCSR(float_state) | x87sw;
save the FP status out of the signal context and use it as part of the fp trap factor exception. clear the FP status before continuing after an exception
2009-09-14 00:37:28 -04:00
}
inline static unsigned int uap_fpu_status(void *uap)
{
vm: fix indentation in Joe's changes
2009-09-14 04:09:03 -04:00
return mach_fpu_status(UAP_FS(uap));
save the FP status out of the signal context and use it as part of the fp trap factor exception. clear the FP status before continuing after an exception
2009-09-14 00:37:28 -04:00
}
inline static void mach_clear_fpu_status(i386_float_state_t *float_state)
{
vm: hard tabs, indent width 8
2010-08-02 20:50:34 -04:00
MXCSR(float_state) &= 0xffffffc0;
memset(&X87SW(float_state), 0, sizeof(X87SW(float_state)));
save the FP status out of the signal context and use it as part of the fp trap factor exception. clear the FP status before continuing after an exception
2009-09-14 00:37:28 -04:00
}
inline static void uap_clear_fpu_status(void *uap)
{
vm: fix indentation in Joe's changes
2009-09-14 04:09:03 -04:00
mach_clear_fpu_status(UAP_FS(uap));
save the FP status out of the signal context and use it as part of the fp trap factor exception. clear the FP status before continuing after an exception
2009-09-14 00:37:28 -04:00
}
Use C++ namespaces
2009-05-04 02:46:13 -04:00
}