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authorThiago Jung Bauermann <bauerman@br.ibm.com>2010-07-16 23:19:37 +0000
committerThiago Jung Bauermann <bauerman@br.ibm.com>2010-07-16 23:19:37 +0000
commit431e49aac1a3380de203af04b119f01401765ead (patch)
tree654f13093b636c7e531400a149aaebedf3ad205b /gdb/NEWS
parentbd91e7ae05e3bee2640ab0be848a79bfcd081dcc (diff)
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* NEWS: Mention support for the new ptrace interface and hardware
accelerated watchpoint conditions on powerpc-linux.
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@@ -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