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factor/vm/os-linux-x86.64.hpp

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Porting VM to C++
2009-05-02 05:04:19 -04:00
#include <ucontext.h>
Use C++ namespaces
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namespace factor
{
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
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inline static unsigned int uap_fpu_status(void *uap)
{
Fix spaces that crept into vm/ cpp files
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ucontext_t *ucontext = (ucontext_t *)uap;
return ucontext->uc_mcontext.fpregs->swd
| ucontext->uc_mcontext.fpregs->mxcsr;
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)
{
Fix spaces that crept into vm/ cpp files
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ucontext_t *ucontext = (ucontext_t *)uap;
ucontext->uc_mcontext.fpregs->swd = 0;
ucontext->uc_mcontext.fpregs->mxcsr &= 0xffffffc0;
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
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}
vm: clean up signal handling and add EXC_BAD_INSTRUCTION Mach exception handler for OS X, since signal handlers cannot change the stack pointer
2009-10-22 06:22:59 -04:00
#define UAP_STACK_POINTER(ucontext) (((ucontext_t *)ucontext)->uc_mcontext.gregs[15])
#define UAP_PROGRAM_COUNTER(ucontext) (((ucontext_t *)ucontext)->uc_mcontext.gregs[16])
32 and 64 bit Linux PPC support
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#define UAP_SET_TOC_POINTER(uap, ptr) (void)0
Use C++ namespaces
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32 and 64 bit Linux PPC support
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#define CODE_TO_FUNCTION_POINTER(code) (void)0
#define CODE_TO_FUNCTION_POINTER_CALLBACK(vm, code) (void)0
#define FUNCTION_CODE_POINTER(ptr) ptr
#define FUNCTION_TOC_POINTER(ptr) ptr
#define UAP_STACK_POINTER_TYPE greg_t
vm: store stack frame size in code blocks Change modify-code-heap primitive so it takes a sixth element in each array for the frame size.
2011-11-25 21:58:21 -05:00
vm: frame size for signal handler code blocks
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/* Must match the leaf-stack-frame-size, signal-handler-stack-frame-size,
and stack-frame-size constants in basis/cpu/x86/64/unix/bootstrap.factor */
simplify function prologs
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static const unsigned LEAF_FRAME_SIZE = 16;
cpu.x86.*: clean up signal handler prolog code Also bump the signal handler frame sizes up again since it looks like we shrank them too much.
2011-12-13 22:31:59 -05:00
static const unsigned SIGNAL_HANDLER_STACK_FRAME_SIZE = 160;
vm: store stack frame size in code blocks Change modify-code-heap primitive so it takes a sixth element in each array for the frame size.
2011-11-25 21:58:21 -05:00
static const unsigned JIT_FRAME_SIZE = 32;
Use C++ namespaces
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}