(gdb) bt
#0 ppc_register_info (ebl=0x6000000000004120, regno=-1, name=0x0, namelen=0, prefix=0x0, setname=0x0, bits=0x0, type=0x0) at ppc_regs.c:45
#1 0x20000000000ba2c0 in ebl_register_info (ebl=0x6000000000004120, regno=-1, name=0x0, namelen=0, prefix=0x0, setname=0x0, bits=0x0, type=0x0) at eblreginfo.c:48
#2 0x20000000000a4f10 in dwfl_module_register_names (mod=0x60000000000062d0, func=@0x4000000000003170: 0x4000000000001880 <print_register>, arg=0x60000fffffffb3a0) at dwfl_module_register_names.c:53
#3 0x4000000000001bd0 in handle_cfi (stuff=0x60000fffffffb3a0, pc=268436672, which=0x4000000000002318 ".debug_frame", dwfl=0x60000000000042f0, cfi=<optimized out>) at addrcfi.c:153
#4 handle_cfi (dwfl=0x60000000000042f0, which=0x4000000000002318 ".debug_frame", cfi=0x6000000000007420, pc=268436672, stuff=0x60000fffffffb3a0) at addrcfi.c:107
#5 0x4000000000001f50 in handle_address (pc=268436672, dwfl=0x60000000000042f0) at addrcfi.c:167
#6 0x40000000000010b0 in main (argc=4, argv=0x60000fffffffb678) at addrcfi.c:216