From 56a9a13976ad800a8a34b194d35f0169d0a0bb23 Mon Sep 17 00:00:00 2001 From: Andrei Vagin Date: Tue, 23 Mar 2021 18:44:38 -0700 Subject: Move the code that manages floating-point state to a separate package This change is inspired by Adin's cl/355256448. PiperOrigin-RevId: 364695931 --- pkg/sentry/kernel/ptrace_amd64.go | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) (limited to 'pkg/sentry/kernel') diff --git a/pkg/sentry/kernel/ptrace_amd64.go b/pkg/sentry/kernel/ptrace_amd64.go index 609ad3941..7aea3dcd8 100644 --- a/pkg/sentry/kernel/ptrace_amd64.go +++ b/pkg/sentry/kernel/ptrace_amd64.go @@ -51,14 +51,15 @@ func (t *Task) ptraceArch(target *Task, req int64, addr, data usermem.Addr) erro return err case linux.PTRACE_GETFPREGS: - _, err := target.Arch().PtraceGetFPRegs(&usermem.IOReadWriter{ + s := target.Arch().FloatingPointData() + _, err := target.Arch().FloatingPointData().PtraceGetFPRegs(&usermem.IOReadWriter{ Ctx: t, IO: t.MemoryManager(), Addr: data, Opts: usermem.IOOpts{ AddressSpaceActive: true, }, - }) + }, len(*s)) return err case linux.PTRACE_SETREGS: @@ -73,14 +74,15 @@ func (t *Task) ptraceArch(target *Task, req int64, addr, data usermem.Addr) erro return err case linux.PTRACE_SETFPREGS: - _, err := target.Arch().PtraceSetFPRegs(&usermem.IOReadWriter{ + s := target.Arch().FloatingPointData() + _, err := s.PtraceSetFPRegs(&usermem.IOReadWriter{ Ctx: t, IO: t.MemoryManager(), Addr: data, Opts: usermem.IOOpts{ AddressSpaceActive: true, }, - }) + }, len(*s)) return err default: -- cgit v1.2.3