dat.ed

在x86平台上运行不可信任代码的sandbox。

/BIOS32ci/,/BIOS32ci;/d
/^#define up/c
#define up (machp[0]->externup)
.
v/typedef/ s!Lock;!Lock lk;!g
/mmupdb/c
	ulong lo;	// Plan 9 VX
	ulong hi;	// Plan 9 VX
	struct vxproc *vxproc;	// Plan 9 VX
	struct vxmmap *vxmm;	// Plan 9 VX
	void *sigstack;	// Plan 9 VX
.
g/mmufree/d
g/mmuused/d
g/lastkmap/d
g/kmaptable/d
g/nkmap/d
/^struct Label/+1a
	ulong	bp;  // Plan 9 VX
	ulong	bx;
	ulong	si;
	ulong	di;
.
g/BIOS32ci/d
1i
#include <ucontext.h>

.
/	ulong\*	pbd/d
/	Tss\*	tss/d
/	Segdesc\*	gdt/d
/	Proc\*	externup/d
/	ulong	ticks/d
/	Lock	alarmlock/d
/	void\*	alarm/d
/	int	inclockintr/d
/	int	loopconst/d
g/^	vlong	mtrr/d
/	int	stack\[1\]/i
	int	spl;	// Plan 9 VX
	void	*sigstack;
.
/^Mach\*	machp/ s/^/extern /
/^extern Mach	\*m/c
extern __thread Mach	*m;	// Plan 9 VX
extern __thread Proc	*up;	// Plan 9 VX
.
/^#define up/d
$a

// Plan 9 VX
extern int traceprocs;
extern int tracesyscalls;
.