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Diffstat (limited to 'arch/powerpc/kernel/ptrace.c')
-rw-r--r--arch/powerpc/kernel/ptrace.c25
1 files changed, 16 insertions, 9 deletions
diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c
index cb22024f2b42..5de73dbd15c7 100644
--- a/arch/powerpc/kernel/ptrace.c
+++ b/arch/powerpc/kernel/ptrace.c
@@ -30,9 +30,6 @@
#include <linux/seccomp.h>
#include <linux/audit.h>
#include <trace/syscall.h>
-#ifdef CONFIG_PPC32
-#include <linux/module.h>
-#endif
#include <linux/hw_breakpoint.h>
#include <linux/perf_event.h>
@@ -882,7 +879,7 @@ void user_disable_single_step(struct task_struct *task)
}
#ifdef CONFIG_HAVE_HW_BREAKPOINT
-void ptrace_triggered(struct perf_event *bp, int nmi,
+void ptrace_triggered(struct perf_event *bp,
struct perf_sample_data *data, struct pt_regs *regs)
{
struct perf_event_attr attr;
@@ -973,7 +970,7 @@ int ptrace_set_debugreg(struct task_struct *task, unsigned long addr,
&attr.bp_type);
thread->ptrace_bps[0] = bp = register_user_hw_breakpoint(&attr,
- ptrace_triggered, task);
+ ptrace_triggered, NULL, task);
if (IS_ERR(bp)) {
thread->ptrace_bps[0] = NULL;
ptrace_put_breakpoints(task);
@@ -1497,9 +1494,14 @@ long arch_ptrace(struct task_struct *child, long request,
if (index < PT_FPR0) {
tmp = ptrace_get_reg(child, (int) index);
} else {
+ unsigned int fpidx = index - PT_FPR0;
+
flush_fp_to_thread(child);
- tmp = ((unsigned long *)child->thread.fpr)
- [TS_FPRWIDTH * (index - PT_FPR0)];
+ if (fpidx < (PT_FPSCR - PT_FPR0))
+ tmp = ((unsigned long *)child->thread.fpr)
+ [fpidx * TS_FPRWIDTH];
+ else
+ tmp = child->thread.fpscr.val;
}
ret = put_user(tmp, datalp);
break;
@@ -1525,9 +1527,14 @@ long arch_ptrace(struct task_struct *child, long request,
if (index < PT_FPR0) {
ret = ptrace_put_reg(child, index, data);
} else {
+ unsigned int fpidx = index - PT_FPR0;
+
flush_fp_to_thread(child);
- ((unsigned long *)child->thread.fpr)
- [TS_FPRWIDTH * (index - PT_FPR0)] = data;
+ if (fpidx < (PT_FPSCR - PT_FPR0))
+ ((unsigned long *)child->thread.fpr)
+ [fpidx * TS_FPRWIDTH] = data;
+ else
+ child->thread.fpscr.val = data;
ret = 0;
}
break;