On Thu, Oct 09, 2014 at 05:29:33AM +0100, AKASHI Takahiro wrote:
> On 10/08/2014 11:23 PM, Will Deacon wrote:
> > On Thu, Oct 02, 2014 at 10:46:12AM +0100, AKASHI Takahiro wrote:
> >> diff --git a/arch/arm64/include/asm/ptrace.h
> >> b/arch/arm64/include/asm/ptrace.h
> >> index 41ed9e1..736ebc3 10
On 10/08/2014 11:23 PM, Will Deacon wrote:
On Thu, Oct 02, 2014 at 10:46:12AM +0100, AKASHI Takahiro wrote:
If tracer specifies -1 as a syscall number, this traced system call should
be skipped with a value in x0 used as a return value.
This patch implements this semantics, but there is one rest
On Thu, Oct 02, 2014 at 10:46:12AM +0100, AKASHI Takahiro wrote:
> If tracer specifies -1 as a syscall number, this traced system call should
> be skipped with a value in x0 used as a return value.
> This patch implements this semantics, but there is one restriction here:
>
>when syscall(-1) i
If tracer specifies -1 as a syscall number, this traced system call should
be skipped with a value in x0 used as a return value.
This patch implements this semantics, but there is one restriction here:
when syscall(-1) is issued by user, tracer cannot skip this system call
and modify a retur
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