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/*
* Copyright (C) 2004 PathScale, Inc
* Licensed under the GPL
*/
#include <errno.h>
#include <sysdep/ptrace_user.h>
#include "longjmp.h"
#include "user.h"
/* XXX These need to use [GS]ETFPXREGS and copy_sc_{to,from}_user_skas needs
* to pass in a sufficiently large buffer
*/
int save_fp_registers(int pid, unsigned long *fp_regs)
{
if(ptrace(PTRACE_GETFPREGS, pid, 0, fp_regs) < 0)
return -errno;
return 0;
}
int restore_fp_registers(int pid, unsigned long *fp_regs)
{
if(ptrace(PTRACE_SETFPREGS, pid, 0, fp_regs) < 0)
return -errno;
return 0;
}
unsigned long get_thread_reg(int reg, jmp_buf *buf)
{
switch(reg){
case EIP: return buf[0]->__eip;
case UESP: return buf[0]->__esp;
case EBP: return buf[0]->__ebp;
default:
printk("get_thread_regs - unknown register %d\n", reg);
return 0;
}
}
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