[Lldb-commits] FW: [Diffusion] rL244864: [LLDB][MIPS] Handle false positives for MIPS hardware watchpoints
Hans Wennborg via lldb-commits
lldb-commits at lists.llvm.org
Thu Aug 13 09:33:21 PDT 2015
Greg: you're the owner. Approved for 3.7?
On Wed, Aug 12, 2015 at 10:21 PM, Jaydeep Patil
<Jaydeep.Patil at imgtec.com> wrote:
> Hi Hans,
> Could you please merge it to release branch?
> -----Original Message-----
> From: Jaydeep Patil
> Sent: 13 August 2015 AM 09:15
> To: Jaydeep Patil
> Subject: Re: [Diffusion] rL244864: [LLDB][MIPS] Handle false positives for MIPS hardware watchpoints
> jaydeep committed rL244864: [LLDB][MIPS] Handle false positives for MIPS hardware watchpoints.
> [LLDB][MIPS] Handle false positives for MIPS hardware watchpoints
> Last 3bits of the watchpoint address are masked by the kernel. For example, n is
> at 0x120010d00 and m is 0x120010d04. When a watchpoint is set at m, then watch
> exception is generated even when n is read/written. To handle this case, instruction
> at PC is emulated to find the base address of the load/store instruction. This address
> is then appended to the description of the stop-info packet. Client then reads this
> information to check whether the user has set a watchpoint on this address.
> Reviewers: jingham, clayborg
> Subscribers: nitesh.jain, mohit.bhakkad, sagar, bhushan and lldb-commits
> Differential Revision: http://reviews.llvm.org/D11672
> jaydeep (Author)
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