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PPC_PTRACE_GETHWDBGINFO, PPC_PTRACE_SETHWDEBUG and PPC_PTRACE_DELHWDEBUG are PowerPC specific ptrace flags that use the watchpoint register. While they are targeted primarily towards BookE users, user-space applications such as GDB have started using them for BookS too. This patch enables the use of generic hardware breakpoint interfaces for these new flags. Apart from the usual benefits of using generic hw-breakpoint interfaces, these changes allow debuggers (such as GDB) to use a common set of ptrace flags for their watchpoint needs and allow more precise breakpoint specification (length of the variable can be specified). Mikey added: rebased and added dbginfo.features around #ifdef CONFIG_HAVE_HW_BREAKPOINT Signed-off-by: K.Prasad <prasad@linux.vnet.ibm.com> Acked-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> |
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00-INDEX | ||
bootwrapper.txt | ||
cpu_features.txt | ||
eeh-pci-error-recovery.txt | ||
firmware-assisted-dump.txt | ||
hvcs.txt | ||
kvm_440.txt | ||
mpc52xx.txt | ||
ptrace.txt | ||
qe_firmware.txt | ||
sound.txt | ||
zImage_layout.txt |