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Diffstat (limited to 'arch/powerpc/kernel/ptrace32.c')
-rw-r--r--arch/powerpc/kernel/ptrace32.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/ptrace32.c b/arch/powerpc/kernel/ptrace32.c
index 8c21658719d9..c0244e766834 100644
--- a/arch/powerpc/kernel/ptrace32.c
+++ b/arch/powerpc/kernel/ptrace32.c
@@ -252,6 +252,9 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
}
case PTRACE_GET_DEBUGREG: {
+#ifndef CONFIG_PPC_ADV_DEBUG_REGS
+ unsigned long dabr_fake;
+#endif
ret = -EINVAL;
/* We only support one DABR and no IABRS at the moment */
if (addr > 0)
@@ -259,7 +262,10 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
#ifdef CONFIG_PPC_ADV_DEBUG_REGS
ret = put_user(child->thread.dac1, (u32 __user *)data);
#else
- ret = put_user(child->thread.dabr, (u32 __user *)data);
+ dabr_fake = (
+ (child->thread.hw_brk.address & (~HW_BRK_TYPE_DABR)) |
+ (child->thread.hw_brk.type & HW_BRK_TYPE_DABR));
+ ret = put_user(dabr_fake, (u32 __user *)data);
#endif
break;
}