--- psmisc-23.0/src/peekfd.c.old	2017-06-12 00:29:46.000000000 +0000
+++ psmisc-23.0/src/peekfd.c	2017-06-28 10:15:18.635344983 +0000
@@ -266,11 +266,11 @@
 		if (WIFSTOPPED(status)) {
 #ifdef PPC
 			struct pt_regs regs;
-			regs.gpr[0] = ptrace(PTRACE_PEEKUSER, pid, __WORDSIZE/8 * PT_R0, 0);
-			regs.gpr[3] = ptrace(PTRACE_PEEKUSER, pid, __WORDSIZE/8 * PT_R3, 0);
-			regs.gpr[4] = ptrace(PTRACE_PEEKUSER, pid, __WORDSIZE/8 * PT_R4, 0);
-			regs.gpr[5] = ptrace(PTRACE_PEEKUSER, pid, __WORDSIZE/8 * PT_R5, 0);
-			regs.orig_gpr3 = ptrace(PTRACE_PEEKUSER, pid, __WORDSIZE/8 * PT_ORIG_R3, 0);
+			regs.gpr[0] = ptrace(PTRACE_PEEKUSER, pid, sizeof(void *) * PT_R0, 0);
+			regs.gpr[3] = ptrace(PTRACE_PEEKUSER, pid, sizeof(void *) * PT_R3, 0);
+			regs.gpr[4] = ptrace(PTRACE_PEEKUSER, pid, sizeof(void *) * PT_R4, 0);
+			regs.gpr[5] = ptrace(PTRACE_PEEKUSER, pid, sizeof(void *) * PT_R5, 0);
+			regs.orig_gpr3 = ptrace(PTRACE_PEEKUSER, pid, sizeof(void *) * PT_ORIG_R3, 0);
 #elif defined(ARM)
 			struct pt_regs regs;
 			ptrace(PTRACE_GETREGS, pid, 0, &regs);