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/*
* Copyright 2003 PathScale, Inc.
*
* Licensed under the GPL
*/
#include <stddef.h>
#include <errno.h>
#include "ptrace_user.h"
#include "user.h"
#include "kern_constants.h"
int ptrace_getregs(long pid, unsigned long *regs_out)
{
if(ptrace(PTRACE_GETREGS, pid, 0, regs_out) < 0)
return(-errno);
return(0);
}
int ptrace_setregs(long pid, unsigned long *regs)
{
if(ptrace(PTRACE_SETREGS, pid, 0, regs) < 0)
return(-errno);
return(0);
}
int ptrace_setfpregs(long pid, unsigned long *regs)
{
if (ptrace(PTRACE_SETFPREGS, pid, 0, regs) < 0)
return -errno;
return 0;
}
void ptrace_pokeuser(unsigned long addr, unsigned long data)
{
panic("ptrace_pokeuser");
}
#define DS 184
#define ES 192
#define __USER_DS 0x2b
void arch_enter_kernel(void *task, int pid)
{
}
void arch_leave_kernel(void *task, int pid)
{
#ifdef UM_USER_CS
if(ptrace(PTRACE_POKEUSR, pid, CS, UM_USER_CS) < 0)
printk("POKEUSR CS failed");
#endif
if(ptrace(PTRACE_POKEUSR, pid, DS, __USER_DS) < 0)
printk("POKEUSR DS failed");
if(ptrace(PTRACE_POKEUSR, pid, ES, __USER_DS) < 0)
printk("POKEUSR ES failed");
}
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