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authorRoland McGrath <roland@redhat.com>2008-01-30 13:30:48 +0100
committerIngo Molnar <mingo@elte.hu>2008-01-30 13:30:48 +0100
commit77c03dcd448aa4c7be45f4edb97381ef463e3911 (patch)
tree4f9f5de145846bbeac75b33ab10354fdde801583 /arch
parent2608a6584a0a32d3251dfafad31d9f8b2c784466 (diff)
x86: remove TRAP_FLAG
This gets rid of the local constant macro TRAP_FLAG. It's redundant with the public constant macro X86_EFLAGS_TF. Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kernel/ptrace_32.c9
-rw-r--r--arch/x86/kernel/ptrace_64.c9
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;
}
}