diff options
Diffstat (limited to 'arch/x86/kernel/step.c')
| -rw-r--r-- | arch/x86/kernel/step.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/arch/x86/kernel/step.c b/arch/x86/kernel/step.c index cf4b9da..f55c003 100644 --- a/arch/x86/kernel/step.c +++ b/arch/x86/kernel/step.c @@ -12,17 +12,12 @@ unsigned long convert_rip_to_linear(struct task_struct *child, struct pt_regs *r { unsigned long addr, seg; -#ifdef CONFIG_X86_64 - addr = regs->rip; + addr = regs->ip; seg = regs->cs & 0xffff; -#else - addr = regs->eip; - seg = regs->xcs & 0xffff; - if (regs->eflags & X86_EFLAGS_VM) { + if (v8086_mode(regs)) { addr = (addr & 0xffff) + (seg << 4); return addr; } -#endif /* * We'll assume that the code segments in the GDT @@ -124,11 +119,11 @@ static int enable_single_step(struct task_struct *child) /* * If TF was already set, don't do anything else */ - if (regs->eflags & X86_EFLAGS_TF) + if (regs->flags & X86_EFLAGS_TF) return 0; /* Set TF on the kernel stack.. */ - regs->eflags |= X86_EFLAGS_TF; + regs->flags |= X86_EFLAGS_TF; /* * ..but if TF is changed by the instruction we will trace, @@ -203,5 +198,5 @@ void user_disable_single_step(struct task_struct *child) /* But touch TF only if it was set by us.. */ if (test_and_clear_tsk_thread_flag(child, TIF_FORCED_TF)) - task_pt_regs(child)->eflags &= ~X86_EFLAGS_TF; + task_pt_regs(child)->flags &= ~X86_EFLAGS_TF; } |
