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[PATCH] Enable hardware single step for m68k in GDBServer
- From: Andreas Schwab <schwab at suse dot de>
- To: gdb-patches at sourceware dot org
- Date: Mon, 13 Nov 2017 16:10:52 +0100
- Subject: [PATCH] Enable hardware single step for m68k in GDBServer
- Authentication-results: sourceware.org; auth=none
Linux/m68k supports PTRACE_SINGLESTEP.
Andreas.
* linux-m68k-low.c (m68k_supports_hardware_single_step): New
function.
(struct linux_target_ops) <supports_hardware_single_step>: Initialize.
diff --git a/gdb/gdbserver/linux-m68k-low.c b/gdb/gdbserver/linux-m68k-low.c
index 9fdcf2aed4..15d161f2b5 100644
--- a/gdb/gdbserver/linux-m68k-low.c
+++ b/gdb/gdbserver/linux-m68k-low.c
@@ -199,6 +199,14 @@ m68k_arch_setup (void)
current_process ()->tdesc = tdesc_m68k;
}
+/* Support for hardware single step. */
+
+static int
+m68k_supports_hardware_single_step (void)
+{
+ return 1;
+}
+
struct linux_target_ops the_low_target = {
m68k_arch_setup,
m68k_regs_info,
@@ -212,6 +220,29 @@ struct linux_target_ops the_low_target = {
NULL,
2,
m68k_breakpoint_at,
+ NULL, /* supports_z_point_type */
+ NULL, /* insert_point */
+ NULL, /* remove_point */
+ NULL, /* stopped_by_watchpoint */
+ NULL, /* stopped_data_address */
+ NULL, /* collect_ptrace_register */
+ NULL, /* supply_ptrace_register */
+ NULL, /* siginfo_fixup */
+ NULL, /* new_process */
+ NULL, /* delete_process */
+ NULL, /* new_thread */
+ NULL, /* delete_thread */
+ NULL, /* new_fork */
+ NULL, /* prepare_to_resume */
+ NULL, /* process_qsupported */
+ NULL, /* supports_tracepoints */
+ NULL, /* get_thread_area */
+ NULL, /* install_fast_tracepoint_jump_pad */
+ NULL, /* emit_ops */
+ NULL, /* get_min_fast_tracepoint_insn_len */
+ NULL, /* supports_range_stepping */
+ NULL, /* breakpoint_kind_from_current_state */
+ m68k_supports_hardware_single_step,
};
void
--
2.15.0
--
Andreas Schwab, SUSE Labs, schwab@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."