Move arch-specific bits from ltrace-elf.c to PPC and MIPS back ends
diff --git a/sysdeps/linux-gnu/ppc/arch.h b/sysdeps/linux-gnu/ppc/arch.h
index 64c1821..15673e0 100644
--- a/sysdeps/linux-gnu/ppc/arch.h
+++ b/sysdeps/linux-gnu/ppc/arch.h
@@ -23,3 +23,11 @@
 #if (PPC_NOP_LENGTH != BREAKPOINT_LENGTH)
 #error "Length of the breakpoint value not equal to the length of a nop instruction"
 #endif
+
+#ifdef DEFINING_LTELF
+# define ARCH_HAVE_LTELF_DATA
+struct arch_ltelf_data {
+	GElf_Addr ppcgot;
+	GElf_Addr plt_stub_vma;
+};
+#endif