[PATCH 1/2] powerpc/64s/syscall: Use pt_regs.trap to distinguish syscall ABI difference between sc and scv syscalls
patch-notifications at ellerman.id.au
Fri May 21 22:44:13 AEST 2021
On Thu, 20 May 2021 21:19:30 +1000, Nicholas Piggin wrote:
> The sc and scv 0 system calls have different ABI conventions, and
> ptracers need to know which system call type is being used if it wants
> to look at the syscall registers.
> Document that pt_regs.trap can be used for this, and fix one in-tree user
> to work with scv 0 syscalls.
Applied to powerpc/fixes.
[1/2] powerpc/64s/syscall: Use pt_regs.trap to distinguish syscall ABI difference between sc and scv syscalls
[2/2] powerpc/64s/syscall: Fix ptrace syscall info with scv syscalls
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