Re: [RFC 0/8] ARM64: Uprobe support added

2014-12-31 Thread Pratyush Anand 

+Dave

Sorry, I took all cc list from your kprobe patches and forgot to add you. :(

Please review.

On Wednesday 31 December 2014 08:51 PM, Pratyush Anand wrote:

These patches have been prepared on top of ARM64 kprobe v3 patches [1]
under review.

Unit test for following has been done so far and they have been found
working
 1. Normal instruction, which can be probed like sub, ldr, add etc.
 2. Instructions which can be simulated like ret.
 3. uretprobe



[1]https://lkml.org/lkml/2014/11/18/33

Pratyush Anand (8):
   ARM64: Move BRK opcodes defines from kprobes.h to insn.h
   ARM64: Refactor kprobes-arm64
   Kernel/uprobe: Define arch_uprobe_exception_notify as __weak
   ARM64: Add instruction_pointer_set function
   ARM64: Re-factor flush_ptrace_access
   ARM64: Handle TRAP_HWBRKPT for user mode as well
   ARM64: Handle TRAP_BRKPT for user mode as well
   ARM64: Add uprobe support

  arch/arm/kernel/uprobes.c  |   6 -
  arch/arm64/Kconfig |   3 +
  arch/arm64/include/asm/insn.h  |   8 +
  arch/arm64/include/asm/probes.h|  26 ++-
  arch/arm64/include/asm/ptrace.h|   7 +
  arch/arm64/include/asm/thread_info.h   |   5 +-
  arch/arm64/include/asm/uprobes.h   |  43 
  arch/arm64/kernel/Makefile |   5 +-
  arch/arm64/kernel/debug-monitors.c |  14 +-
  arch/arm64/kernel/kprobes.c|  11 +-
  arch/arm64/kernel/kprobes.h|   7 +-
  .../kernel/{kprobes-arm64.c => probes-arm64.c} |  84 +++
  .../kernel/{kprobes-arm64.h => probes-arm64.h} |  17 +-
  arch/arm64/kernel/probes-condn-check.c |   2 +-
  arch/arm64/kernel/probes-decode.h  |   4 +-
  arch/arm64/kernel/signal.c |   4 +-
  arch/arm64/kernel/uprobes.c| 255 +
  arch/arm64/mm/flush.c  |  30 ++-
  kernel/events/uprobes.c|  18 ++
  19 files changed, 445 insertions(+), 104 deletions(-)
  create mode 100644 arch/arm64/include/asm/uprobes.h
  rename arch/arm64/kernel/{kprobes-arm64.c => probes-arm64.c} (79%)
  rename arch/arm64/kernel/{kprobes-arm64.h => probes-arm64.h} (60%)
  create mode 100644 arch/arm64/kernel/uprobes.c


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[RFC 0/8] ARM64: Uprobe support added

2014-12-31 Thread Pratyush Anand 
These patches have been prepared on top of ARM64 kprobe v3 patches [1]
under review.

Unit test for following has been done so far and they have been found
working
1. Normal instruction, which can be probed like sub, ldr, add etc.
2. Instructions which can be simulated like ret.
3. uretprobe



[1]https://lkml.org/lkml/2014/11/18/33

Pratyush Anand (8):
  ARM64: Move BRK opcodes defines from kprobes.h to insn.h
  ARM64: Refactor kprobes-arm64
  Kernel/uprobe: Define arch_uprobe_exception_notify as __weak
  ARM64: Add instruction_pointer_set function
  ARM64: Re-factor flush_ptrace_access
  ARM64: Handle TRAP_HWBRKPT for user mode as well
  ARM64: Handle TRAP_BRKPT for user mode as well
  ARM64: Add uprobe support

 arch/arm/kernel/uprobes.c  |   6 -
 arch/arm64/Kconfig |   3 +
 arch/arm64/include/asm/insn.h  |   8 +
 arch/arm64/include/asm/probes.h|  26 ++-
 arch/arm64/include/asm/ptrace.h|   7 +
 arch/arm64/include/asm/thread_info.h   |   5 +-
 arch/arm64/include/asm/uprobes.h   |  43 
 arch/arm64/kernel/Makefile |   5 +-
 arch/arm64/kernel/debug-monitors.c |  14 +-
 arch/arm64/kernel/kprobes.c|  11 +-
 arch/arm64/kernel/kprobes.h|   7 +-
 .../kernel/{kprobes-arm64.c => probes-arm64.c} |  84 +++
 .../kernel/{kprobes-arm64.h => probes-arm64.h} |  17 +-
 arch/arm64/kernel/probes-condn-check.c |   2 +-
 arch/arm64/kernel/probes-decode.h  |   4 +-
 arch/arm64/kernel/signal.c |   4 +-
 arch/arm64/kernel/uprobes.c| 255 +
 arch/arm64/mm/flush.c  |  30 ++-
 kernel/events/uprobes.c|  18 ++
 19 files changed, 445 insertions(+), 104 deletions(-)
 create mode 100644 arch/arm64/include/asm/uprobes.h
 rename arch/arm64/kernel/{kprobes-arm64.c => probes-arm64.c} (79%)
 rename arch/arm64/kernel/{kprobes-arm64.h => probes-arm64.h} (60%)
 create mode 100644 arch/arm64/kernel/uprobes.c

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2.1.0

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