From 431e49aac1a3380de203af04b119f01401765ead Mon Sep 17 00:00:00 2001 From: Thiago Jung Bauermann Date: Fri, 16 Jul 2010 23:19:37 +0000 Subject: [PATCH] * NEWS: Mention support for the new ptrace interface and hardware accelerated watchpoint conditions on powerpc-linux. --- gdb/ChangeLog | 5 +++++ gdb/NEWS | 15 +++++++++++++++ 2 files changed, 20 insertions(+) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 9f0ad56b061..5472aa9a9cf 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,8 @@ +2010-07-16 Thiago Jung Bauermann + + * NEWS: Mention support for the new ptrace interface and hardware + accelerated watchpoint conditions on powerpc-linux. + 2010-07-16 Ozkan Sezer * target.c (debug_to_insert_breakpoint): Instead of casting to unsigned diff --git a/gdb/NEWS b/gdb/NEWS index 3434c05598c..ea3b6b0eb66 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 -- 2.30.2