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Diffstat (limited to 'arch/um/sys-ppc/ptrace_user.c')
-rw-r--r--arch/um/sys-ppc/ptrace_user.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/um/sys-ppc/ptrace_user.c b/arch/um/sys-ppc/ptrace_user.c
new file mode 100644
index 00000000..224d2403
--- /dev/null
+++ b/arch/um/sys-ppc/ptrace_user.c
@@ -0,0 +1,29 @@
+#include <errno.h>
+#include <asm/ptrace.h>
+#include "sysdep/ptrace.h"
+
+int ptrace_getregs(long pid, unsigned long *regs_out)
+{
+ int i;
+ for (i=0; i < sizeof(struct sys_pt_regs)/sizeof(PPC_REG); ++i) {
+ errno = 0;
+ regs_out->regs[i] = ptrace(PTRACE_PEEKUSR, pid, i*4, 0);
+ if (errno) {
+ return -errno;
+ }
+ }
+ return 0;
+}
+
+int ptrace_setregs(long pid, unsigned long *regs_in)
+{
+ int i;
+ for (i=0; i < sizeof(struct sys_pt_regs)/sizeof(PPC_REG); ++i) {
+ if (i != 34 /* FIXME: PT_ORIG_R3 */ && i <= PT_MQ) {
+ if (ptrace(PTRACE_POKEUSR, pid, i*4, regs_in->regs[i]) < 0) {
+ return -errno;
+ }
+ }
+ }
+ return 0;
+}