diff options
Diffstat (limited to 'gdb/aarch64-linux-nat.c')
| -rw-r--r-- | gdb/aarch64-linux-nat.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gdb/aarch64-linux-nat.c b/gdb/aarch64-linux-nat.c index 256725b..7d76833 100644 --- a/gdb/aarch64-linux-nat.c +++ b/gdb/aarch64-linux-nat.c @@ -314,10 +314,13 @@ aarch64_linux_set_debug_regs (const struct aarch64_debug_reg_state *state, memset (®s, 0, sizeof (regs)); iov.iov_base = ®s; - iov.iov_len = sizeof (regs); count = watchpoint ? aarch64_num_wp_regs : aarch64_num_bp_regs; addr = watchpoint ? state->dr_addr_wp : state->dr_addr_bp; ctrl = watchpoint ? state->dr_ctrl_wp : state->dr_ctrl_bp; + if (count == 0) + return; + iov.iov_len = (offsetof (struct user_hwdebug_state, dbg_regs[count - 1]) + + sizeof (regs.dbg_regs [count - 1])); for (i = 0; i < count; i++) { |