diff options
Diffstat (limited to 'gdb/ppc-linux-nat.c')
| -rw-r--r-- | gdb/ppc-linux-nat.c | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/gdb/ppc-linux-nat.c b/gdb/ppc-linux-nat.c index b9e0c85..45cdd73 100644 --- a/gdb/ppc-linux-nat.c +++ b/gdb/ppc-linux-nat.c @@ -1421,17 +1421,20 @@ have_ptrace_booke_interface (void) /* Check for kernel support for BOOKE debug registers. */ if (ptrace (PPC_PTRACE_GETHWDBGINFO, tid, 0, &booke_debug_info) >= 0) { - have_ptrace_booke_interface = 1; - max_slots_number = booke_debug_info.num_instruction_bps - + booke_debug_info.num_data_bps - + booke_debug_info.num_condition_regs; - } - else - { - /* Old school interface and no BOOKE debug registers support. */ - have_ptrace_booke_interface = 0; - memset (&booke_debug_info, 0, sizeof (struct ppc_debug_info)); + /* Check whether ptrace BOOKE interface is functional and + provides any supported feature. */ + if (booke_debug_info.features != 0) + { + have_ptrace_booke_interface = 1; + max_slots_number = booke_debug_info.num_instruction_bps + + booke_debug_info.num_data_bps + + booke_debug_info.num_condition_regs; + return have_ptrace_booke_interface; + } } + /* Old school interface and no BOOKE debug registers support. */ + have_ptrace_booke_interface = 0; + memset (&booke_debug_info, 0, sizeof (struct ppc_debug_info)); } return have_ptrace_booke_interface; |