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[v8,7/7] Enable conditional breakpoints for targets that support software single step in GDBServer

Message ID 1450361684-29536-8-git-send-email-antoine.tremblay@ericsson.com
State New
Headers show

Commit Message

Antoine Tremblay Dec. 17, 2015, 2:14 p.m. UTC
This patch enables support for conditional breakpoints if the target supports
software single step.

This was disabled before as the implementations of software single step were too
simple as discussed in
https://sourceware.org/ml/gdb-patches/2015-04/msg01110.html.

Since these issues are now fixed support can be added back.

New tests passing :
PASS: gdb.base/cond-eval-mode.exp: set breakpoint condition-evaluation
target and related...

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

gdb/gdbserver/ChangeLog:

	* server.c (handle_query): Call target_supports_software_single_step.
---
 gdb/gdbserver/server.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)
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Patch

diff --git a/gdb/gdbserver/server.c b/gdb/gdbserver/server.c
index 8f097e5..b385afb 100644
--- a/gdb/gdbserver/server.c
+++ b/gdb/gdbserver/server.c
@@ -2290,13 +2290,9 @@  handle_query (char *own_buf, int packet_len, int *new_packet_len_p)
 	  strcat (own_buf, ";tracenz+");
 	}
 
-      if (target_supports_hardware_single_step ())
+      if (target_supports_hardware_single_step ()
+	  || target_supports_software_single_step () )
 	{
-	  /* Support target-side breakpoint conditions and commands.
-	     GDBserver needs to step over the breakpoint if the condition
-	     is false.  GDBserver software single step is too simple, so
-	     disable conditional breakpoints if the target doesn't have
-	     hardware single step.  */
 	  strcat (own_buf, ";ConditionalBreakpoints+");
 	}
       strcat (own_buf, ";BreakpointCommands+");