diff options
| author | Andrei Vagin <avagin@google.com> | 2021-03-23 18:44:38 -0700 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2021-03-23 18:46:37 -0700 |
| commit | 56a9a13976ad800a8a34b194d35f0169d0a0bb23 (patch) | |
| tree | cb4b7c4352dc90a8c4c4f469c788fd2c5c6fd0dd /pkg/sentry/platform/ptrace | |
| parent | 960155cdaad49ccea07e45152f124beeb7e7fdcc (diff) | |
Move the code that manages floating-point state to a separate package
This change is inspired by Adin's cl/355256448.
PiperOrigin-RevId: 364695931
Diffstat (limited to 'pkg/sentry/platform/ptrace')
| -rw-r--r-- | pkg/sentry/platform/ptrace/BUILD | 1 | ||||
| -rw-r--r-- | pkg/sentry/platform/ptrace/ptrace_unsafe.go | 9 |
2 files changed, 6 insertions, 4 deletions
diff --git a/pkg/sentry/platform/ptrace/BUILD b/pkg/sentry/platform/ptrace/BUILD index fc43cc3c0..47efde6a2 100644 --- a/pkg/sentry/platform/ptrace/BUILD +++ b/pkg/sentry/platform/ptrace/BUILD @@ -30,6 +30,7 @@ go_library( "//pkg/safecopy", "//pkg/seccomp", "//pkg/sentry/arch", + "//pkg/sentry/arch/fpu", "//pkg/sentry/memmap", "//pkg/sentry/platform", "//pkg/sentry/platform/interrupt", diff --git a/pkg/sentry/platform/ptrace/ptrace_unsafe.go b/pkg/sentry/platform/ptrace/ptrace_unsafe.go index 2c21f946e..01e73b019 100644 --- a/pkg/sentry/platform/ptrace/ptrace_unsafe.go +++ b/pkg/sentry/platform/ptrace/ptrace_unsafe.go @@ -20,6 +20,7 @@ import ( "golang.org/x/sys/unix" "gvisor.dev/gvisor/pkg/abi/linux" "gvisor.dev/gvisor/pkg/sentry/arch" + "gvisor.dev/gvisor/pkg/sentry/arch/fpu" "gvisor.dev/gvisor/pkg/usermem" ) @@ -62,9 +63,9 @@ func (t *thread) setRegs(regs *arch.Registers) error { } // getFPRegs gets the floating-point data via the GETREGSET ptrace unix. -func (t *thread) getFPRegs(fpState *arch.FloatingPointData, fpLen uint64, useXsave bool) error { +func (t *thread) getFPRegs(fpState *fpu.State, fpLen uint64, useXsave bool) error { iovec := unix.Iovec{ - Base: (*byte)(fpState), + Base: fpState.BytePointer(), Len: fpLen, } _, _, errno := unix.RawSyscall6( @@ -81,9 +82,9 @@ func (t *thread) getFPRegs(fpState *arch.FloatingPointData, fpLen uint64, useXsa } // setFPRegs sets the floating-point data via the SETREGSET ptrace unix. -func (t *thread) setFPRegs(fpState *arch.FloatingPointData, fpLen uint64, useXsave bool) error { +func (t *thread) setFPRegs(fpState *fpu.State, fpLen uint64, useXsave bool) error { iovec := unix.Iovec{ - Base: (*byte)(fpState), + Base: fpState.BytePointer(), Len: fpLen, } _, _, errno := unix.RawSyscall6( |