diff options
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/ptrace_32.c | 9 | ||||
| -rw-r--r-- | arch/x86/kernel/ptrace_64.c | 9 |
2 files changed, 6 insertions, 12 deletions
diff --git a/arch/x86/kernel/ptrace_32.c b/arch/x86/kernel/ptrace_32.c index 09227cfb7c4..4619bda470b 100644 --- a/arch/x86/kernel/ptrace_32.c +++ b/arch/x86/kernel/ptrace_32.c @@ -37,9 +37,6 @@ */ #define FLAG_MASK 0x00050dd5 -/* set's the trap flag. */ -#define TRAP_FLAG 0x100 - /* * Offset of eflags on child stack.. */ @@ -235,11 +232,11 @@ static void set_singlestep(struct task_struct *child) /* * If TF was already set, don't do anything else */ - if (regs->eflags & TRAP_FLAG) + if (regs->eflags & X86_EFLAGS_TF) return; /* Set TF on the kernel stack.. */ - regs->eflags |= TRAP_FLAG; + regs->eflags |= X86_EFLAGS_TF; /* * ..but if TF is changed by the instruction we will trace, @@ -260,7 +257,7 @@ static void clear_singlestep(struct task_struct *child) /* But touch TF only if it was set by us.. */ if (child->ptrace & PT_DTRACE) { struct pt_regs *regs = get_child_regs(child); - regs->eflags &= ~TRAP_FLAG; + regs->eflags &= ~X86_EFLAGS_TF; child->ptrace &= ~PT_DTRACE; } } diff --git a/arch/x86/kernel/ptrace_64.c b/arch/x86/kernel/ptrace_64.c index 375fadc23a2..8e433b3773d 100644 --- a/arch/x86/kernel/ptrace_64.c +++ b/arch/x86/kernel/ptrace_64.c @@ -42,9 +42,6 @@ */ #define FLAG_MASK 0x54dd5UL -/* set's the trap flag. */ -#define TRAP_FLAG 0x100UL - /* * eflags and offset of eflags on child stack.. */ @@ -187,11 +184,11 @@ static void set_singlestep(struct task_struct *child) /* * If TF was already set, don't do anything else */ - if (regs->eflags & TRAP_FLAG) + if (regs->eflags & X86_EFLAGS_TF) return; /* Set TF on the kernel stack.. */ - regs->eflags |= TRAP_FLAG; + regs->eflags |= X86_EFLAGS_TF; /* * ..but if TF is changed by the instruction we will trace, @@ -212,7 +209,7 @@ static void clear_singlestep(struct task_struct *child) /* But touch TF only if it was set by us.. */ if (child->ptrace & PT_DTRACE) { struct pt_regs *regs = task_pt_regs(child); - regs->eflags &= ~TRAP_FLAG; + regs->eflags &= ~X86_EFLAGS_TF; child->ptrace &= ~PT_DTRACE; } } |