From 431e49aac1a3380de203af04b119f01401765ead Mon Sep 17 00:00:00 2001 From: Thiago Jung Bauermann Date: Fri, 16 Jul 2010 23:19:37 +0000 Subject: * NEWS: Mention support for the new ptrace interface and hardware accelerated watchpoint conditions on powerpc-linux. --- gdb/NEWS | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'gdb/NEWS') diff --git a/gdb/NEWS b/gdb/NEWS index 3434c05..ea3b6b0 100644 --- a/gdb/NEWS +++ b/gdb/NEWS @@ -223,6 +223,21 @@ ARM Symbian arm*-*-symbianelf* GDB now supports debugging programs written in the D programming language. +* GDB now supports the extended ptrace interface for PowerPC which is + available since Linux kernel version 2.6.34. This automatically enables + any hardware breakpoints and additional hardware watchpoints available in + the processor. The old ptrace interface exposes just one hardware + watchpoint and no hardware breakpoints. + +* GDB is now able to use the Data Value Compare (DVC) register available on + embedded PowerPC processors to implement in hardware simple watchpoint + conditions of the form: + + watch ADDRESS|VARIABLE if ADDRESS|VARIABLE == CONSTANT EXPRESSION + + This works in native GDB running on Linux kernels with the extended ptrace + interface mentioned above. + *** Changes in GDB 7.1 * C++ Improvements -- cgit v1.1