diff options
| author | Zach Koopmans <zkoopmans@google.com> | 2021-03-29 13:28:32 -0700 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2021-03-29 13:30:21 -0700 |
| commit | 8a2f7e716dcc62f04d2808e8ade34941c94fc956 (patch) | |
| tree | b2195d5728dcbc4f4e59c23ad95d7486ef744371 /pkg/sentry/arch/signal_amd64.go | |
| parent | b125afba416ebeba906ea595a44a55afe4729d64 (diff) | |
[syserror] Split usermem package
Split usermem package to help remove syserror dependency in go_marshal.
New hostarch package contains code not dependent on syserror.
PiperOrigin-RevId: 365651233
Diffstat (limited to 'pkg/sentry/arch/signal_amd64.go')
| -rw-r--r-- | pkg/sentry/arch/signal_amd64.go | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/pkg/sentry/arch/signal_amd64.go b/pkg/sentry/arch/signal_amd64.go index ee3743483..082ed92b1 100644 --- a/pkg/sentry/arch/signal_amd64.go +++ b/pkg/sentry/arch/signal_amd64.go @@ -21,10 +21,10 @@ import ( "golang.org/x/sys/unix" "gvisor.dev/gvisor/pkg/abi/linux" + "gvisor.dev/gvisor/pkg/hostarch" "gvisor.dev/gvisor/pkg/log" "gvisor.dev/gvisor/pkg/marshal/primitive" "gvisor.dev/gvisor/pkg/sentry/arch/fpu" - "gvisor.dev/gvisor/pkg/usermem" ) // SignalContext64 is equivalent to struct sigcontext, the type passed as the @@ -133,7 +133,7 @@ func (c *context64) SignalSetup(st *Stack, act *SignalAct, info *SignalInfo, alt // space on the user stack naturally caps the amount of memory the // sentry will allocate for this purpose. fpSize, _ := c.fpuFrameSize() - sp = (sp - usermem.Addr(fpSize)) & ^usermem.Addr(63) + sp = (sp - hostarch.Addr(fpSize)) & ^hostarch.Addr(63) // Construct the UContext64 now since we need its size. uc := &UContext64{ @@ -180,8 +180,8 @@ func (c *context64) SignalSetup(st *Stack, act *SignalAct, info *SignalInfo, alt ucSize := uc.SizeBytes() // st.Arch.Width() is for the restorer address. sizeof(siginfo) == 128. frameSize := int(st.Arch.Width()) + ucSize + 128 - frameBottom := (sp-usermem.Addr(frameSize)) & ^usermem.Addr(15) - 8 - sp = frameBottom + usermem.Addr(frameSize) + frameBottom := (sp-hostarch.Addr(frameSize)) & ^hostarch.Addr(15) - 8 + sp = frameBottom + hostarch.Addr(frameSize) st.Bottom = sp // Prior to proceeding, figure out if the frame will exhaust the range |