Support software breakpoints for ARM linux in GDBServer.

This patch enables software breakpoints via GDB's Z0 packets on ARM.

No regressions, tested on ubuntu 14.04 ARMv7 and x86.
With gdbserver-{native,extended} / { -marm -mthumb }

gdb/gdbserver/ChangeLog:

	* linux-arm-low.c (arm_supports_z_point_type): Add software
	breakpoint support.

diff --git a/gdb/gdbserver/ChangeLog b/gdb/gdbserver/ChangeLog
index 7710886..ceb8c4d 100644 (file)
--- a/gdb/gdbserver/ChangeLog
+++ b/gdb/gdbserver/ChangeLog
@@ -1,5 +1,10 @@
 2015-10-21  Antoine Tremblay  <antoine.tremblay@ericsson.com>
 
+       * linux-arm-low.c (arm_supports_z_point_type): Add software
+       breakpoint support.
+
+2015-10-21  Antoine Tremblay  <antoine.tremblay@ericsson.com>
+
        * linux-arm-low.c: Refactor breakpoint definitions.
        (arm_breakpoint_at): Adjust for arm_abi_breakpoint.
        (arm_sw_breakpoint_from_kind): Adjust for arm_breakpoint.

diff --git a/gdb/gdbserver/linux-arm-low.c b/gdb/gdbserver/linux-arm-low.c
index 09ea4cc..d3ae9f4 100644 (file)
--- a/gdb/gdbserver/linux-arm-low.c
+++ b/gdb/gdbserver/linux-arm-low.c
@@ -545,6 +545,7 @@ arm_supports_z_point_type (char z_type)
 {
   switch (z_type)
     {
+    case Z_PACKET_SW_BP:
     case Z_PACKET_HW_BP:
     case Z_PACKET_WRITE_WP:
     case Z_PACKET_READ_WP: