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-rw-r--r--pkg/abi/linux/linux_abi_autogen_unsafe.go22
-rw-r--r--pkg/abi/linux/linux_amd64_abi_autogen_unsafe.go8
-rw-r--r--pkg/abi/linux/linux_arm64_abi_autogen_unsafe.go6
-rw-r--r--pkg/sentry/platform/ring0/defs_impl_arm64.go3
-rw-r--r--pkg/state/pretty/pretty.go103
5 files changed, 86 insertions, 56 deletions
diff --git a/pkg/abi/linux/linux_abi_autogen_unsafe.go b/pkg/abi/linux/linux_abi_autogen_unsafe.go
index 311e92b2f..f3d34bcec 100644
--- a/pkg/abi/linux/linux_abi_autogen_unsafe.go
+++ b/pkg/abi/linux/linux_abi_autogen_unsafe.go
@@ -180,7 +180,7 @@ func (s *Statx) UnmarshalUnsafe(src []byte) {
// CopyOutN implements marshal.Marshallable.CopyOutN.
//go:nosplit
func (s *Statx) CopyOutN(task marshal.Task, addr usermem.Addr, limit int) (int, error) {
- if !s.Ctime.Packed() && s.Mtime.Packed() && s.Atime.Packed() && s.Btime.Packed() {
+ if !s.Atime.Packed() && s.Btime.Packed() && s.Ctime.Packed() && s.Mtime.Packed() {
// Type Statx doesn't have a packed layout in memory, fall back to MarshalBytes.
buf := task.CopyScratchBuffer(s.SizeBytes()) // escapes: okay.
s.MarshalBytes(buf) // escapes: fallback.
@@ -236,7 +236,7 @@ func (s *Statx) CopyIn(task marshal.Task, addr usermem.Addr) (int, error) {
// WriteTo implements io.WriterTo.WriteTo.
func (s *Statx) WriteTo(writer io.Writer) (int64, error) {
- if !s.Ctime.Packed() && s.Mtime.Packed() && s.Atime.Packed() && s.Btime.Packed() {
+ if !s.Atime.Packed() && s.Btime.Packed() && s.Ctime.Packed() && s.Mtime.Packed() {
// Type Statx doesn't have a packed layout in memory, fall back to MarshalBytes.
buf := make([]byte, s.SizeBytes())
s.MarshalBytes(buf)
@@ -685,7 +685,7 @@ func (f *FUSEHeaderIn) CopyOut(task marshal.Task, addr usermem.Addr) (int, error
// CopyIn implements marshal.Marshallable.CopyIn.
//go:nosplit
func (f *FUSEHeaderIn) CopyIn(task marshal.Task, addr usermem.Addr) (int, error) {
- if !f.Opcode.Packed() && f.Unique.Packed() {
+ if !f.Unique.Packed() && f.Opcode.Packed() {
// Type FUSEHeaderIn doesn't have a packed layout in memory, fall back to UnmarshalBytes.
buf := task.CopyScratchBuffer(f.SizeBytes()) // escapes: okay.
length, err := task.CopyInBytes(addr, buf) // escapes: okay.
@@ -711,7 +711,7 @@ func (f *FUSEHeaderIn) CopyIn(task marshal.Task, addr usermem.Addr) (int, error)
// WriteTo implements io.WriterTo.WriteTo.
func (f *FUSEHeaderIn) WriteTo(writer io.Writer) (int64, error) {
- if !f.Opcode.Packed() && f.Unique.Packed() {
+ if !f.Unique.Packed() && f.Opcode.Packed() {
// Type FUSEHeaderIn doesn't have a packed layout in memory, fall back to MarshalBytes.
buf := make([]byte, f.SizeBytes())
f.MarshalBytes(buf)
@@ -2022,7 +2022,7 @@ func (i *IPTEntry) UnmarshalBytes(src []byte) {
// Packed implements marshal.Marshallable.Packed.
//go:nosplit
func (i *IPTEntry) Packed() bool {
- return i.IP.Packed() && i.Counters.Packed()
+ return i.Counters.Packed() && i.IP.Packed()
}
// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
@@ -2037,7 +2037,7 @@ func (i *IPTEntry) MarshalUnsafe(dst []byte) {
// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
func (i *IPTEntry) UnmarshalUnsafe(src []byte) {
- if i.Counters.Packed() && i.IP.Packed() {
+ if i.IP.Packed() && i.Counters.Packed() {
safecopy.CopyOut(unsafe.Pointer(i), src)
} else {
// Type IPTEntry doesn't have a packed layout in memory, fallback to UnmarshalBytes.
@@ -2210,12 +2210,12 @@ func (i *IPTIP) UnmarshalBytes(src []byte) {
// Packed implements marshal.Marshallable.Packed.
//go:nosplit
func (i *IPTIP) Packed() bool {
- return i.Src.Packed() && i.Dst.Packed() && i.SrcMask.Packed() && i.DstMask.Packed()
+ return i.Dst.Packed() && i.SrcMask.Packed() && i.DstMask.Packed() && i.Src.Packed()
}
// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
func (i *IPTIP) MarshalUnsafe(dst []byte) {
- if i.Src.Packed() && i.Dst.Packed() && i.SrcMask.Packed() && i.DstMask.Packed() {
+ if i.SrcMask.Packed() && i.DstMask.Packed() && i.Src.Packed() && i.Dst.Packed() {
safecopy.CopyIn(dst, unsafe.Pointer(i))
} else {
// Type IPTIP doesn't have a packed layout in memory, fallback to MarshalBytes.
@@ -2292,7 +2292,7 @@ func (i *IPTIP) CopyIn(task marshal.Task, addr usermem.Addr) (int, error) {
// WriteTo implements io.WriterTo.WriteTo.
func (i *IPTIP) WriteTo(writer io.Writer) (int64, error) {
- if !i.Src.Packed() && i.Dst.Packed() && i.SrcMask.Packed() && i.DstMask.Packed() {
+ if !i.SrcMask.Packed() && i.DstMask.Packed() && i.Src.Packed() && i.Dst.Packed() {
// Type IPTIP doesn't have a packed layout in memory, fall back to MarshalBytes.
buf := make([]byte, i.SizeBytes())
i.MarshalBytes(buf)
@@ -3254,7 +3254,7 @@ func (i *IP6TIP) CopyOut(task marshal.Task, addr usermem.Addr) (int, error) {
// CopyIn implements marshal.Marshallable.CopyIn.
//go:nosplit
func (i *IP6TIP) CopyIn(task marshal.Task, addr usermem.Addr) (int, error) {
- if !i.Src.Packed() && i.Dst.Packed() && i.SrcMask.Packed() && i.DstMask.Packed() {
+ if !i.SrcMask.Packed() && i.DstMask.Packed() && i.Src.Packed() && i.Dst.Packed() {
// Type IP6TIP doesn't have a packed layout in memory, fall back to UnmarshalBytes.
buf := task.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
length, err := task.CopyInBytes(addr, buf) // escapes: okay.
@@ -3280,7 +3280,7 @@ func (i *IP6TIP) CopyIn(task marshal.Task, addr usermem.Addr) (int, error) {
// WriteTo implements io.WriterTo.WriteTo.
func (i *IP6TIP) WriteTo(writer io.Writer) (int64, error) {
- if !i.SrcMask.Packed() && i.DstMask.Packed() && i.Src.Packed() && i.Dst.Packed() {
+ if !i.Src.Packed() && i.Dst.Packed() && i.SrcMask.Packed() && i.DstMask.Packed() {
// Type IP6TIP doesn't have a packed layout in memory, fall back to MarshalBytes.
buf := make([]byte, i.SizeBytes())
i.MarshalBytes(buf)
diff --git a/pkg/abi/linux/linux_amd64_abi_autogen_unsafe.go b/pkg/abi/linux/linux_amd64_abi_autogen_unsafe.go
index a6ee40e72..f386cf5eb 100644
--- a/pkg/abi/linux/linux_amd64_abi_autogen_unsafe.go
+++ b/pkg/abi/linux/linux_amd64_abi_autogen_unsafe.go
@@ -288,12 +288,12 @@ func (s *Stat) UnmarshalBytes(src []byte) {
// Packed implements marshal.Marshallable.Packed.
//go:nosplit
func (s *Stat) Packed() bool {
- return s.ATime.Packed() && s.MTime.Packed() && s.CTime.Packed()
+ return s.MTime.Packed() && s.CTime.Packed() && s.ATime.Packed()
}
// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
func (s *Stat) MarshalUnsafe(dst []byte) {
- if s.ATime.Packed() && s.MTime.Packed() && s.CTime.Packed() {
+ if s.MTime.Packed() && s.CTime.Packed() && s.ATime.Packed() {
safecopy.CopyIn(dst, unsafe.Pointer(s))
} else {
// Type Stat doesn't have a packed layout in memory, fallback to MarshalBytes.
@@ -314,7 +314,7 @@ func (s *Stat) UnmarshalUnsafe(src []byte) {
// CopyOutN implements marshal.Marshallable.CopyOutN.
//go:nosplit
func (s *Stat) CopyOutN(task marshal.Task, addr usermem.Addr, limit int) (int, error) {
- if !s.MTime.Packed() && s.CTime.Packed() && s.ATime.Packed() {
+ if !s.ATime.Packed() && s.MTime.Packed() && s.CTime.Packed() {
// Type Stat doesn't have a packed layout in memory, fall back to MarshalBytes.
buf := task.CopyScratchBuffer(s.SizeBytes()) // escapes: okay.
s.MarshalBytes(buf) // escapes: fallback.
@@ -344,7 +344,7 @@ func (s *Stat) CopyOut(task marshal.Task, addr usermem.Addr) (int, error) {
// CopyIn implements marshal.Marshallable.CopyIn.
//go:nosplit
func (s *Stat) CopyIn(task marshal.Task, addr usermem.Addr) (int, error) {
- if !s.CTime.Packed() && s.ATime.Packed() && s.MTime.Packed() {
+ if !s.ATime.Packed() && s.MTime.Packed() && s.CTime.Packed() {
// Type Stat doesn't have a packed layout in memory, fall back to UnmarshalBytes.
buf := task.CopyScratchBuffer(s.SizeBytes()) // escapes: okay.
length, err := task.CopyInBytes(addr, buf) // escapes: okay.
diff --git a/pkg/abi/linux/linux_arm64_abi_autogen_unsafe.go b/pkg/abi/linux/linux_arm64_abi_autogen_unsafe.go
index df0e6eb2f..c938874c1 100644
--- a/pkg/abi/linux/linux_arm64_abi_autogen_unsafe.go
+++ b/pkg/abi/linux/linux_arm64_abi_autogen_unsafe.go
@@ -300,7 +300,7 @@ func (s *Stat) Packed() bool {
// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
func (s *Stat) MarshalUnsafe(dst []byte) {
- if s.ATime.Packed() && s.MTime.Packed() && s.CTime.Packed() {
+ if s.CTime.Packed() && s.ATime.Packed() && s.MTime.Packed() {
safecopy.CopyIn(dst, unsafe.Pointer(s))
} else {
// Type Stat doesn't have a packed layout in memory, fallback to MarshalBytes.
@@ -321,7 +321,7 @@ func (s *Stat) UnmarshalUnsafe(src []byte) {
// CopyOutN implements marshal.Marshallable.CopyOutN.
//go:nosplit
func (s *Stat) CopyOutN(task marshal.Task, addr usermem.Addr, limit int) (int, error) {
- if !s.CTime.Packed() && s.ATime.Packed() && s.MTime.Packed() {
+ if !s.ATime.Packed() && s.MTime.Packed() && s.CTime.Packed() {
// Type Stat doesn't have a packed layout in memory, fall back to MarshalBytes.
buf := task.CopyScratchBuffer(s.SizeBytes()) // escapes: okay.
s.MarshalBytes(buf) // escapes: fallback.
@@ -351,7 +351,7 @@ func (s *Stat) CopyOut(task marshal.Task, addr usermem.Addr) (int, error) {
// CopyIn implements marshal.Marshallable.CopyIn.
//go:nosplit
func (s *Stat) CopyIn(task marshal.Task, addr usermem.Addr) (int, error) {
- if !s.ATime.Packed() && s.MTime.Packed() && s.CTime.Packed() {
+ if !s.CTime.Packed() && s.ATime.Packed() && s.MTime.Packed() {
// Type Stat doesn't have a packed layout in memory, fall back to UnmarshalBytes.
buf := task.CopyScratchBuffer(s.SizeBytes()) // escapes: okay.
length, err := task.CopyInBytes(addr, buf) // escapes: okay.
diff --git a/pkg/sentry/platform/ring0/defs_impl_arm64.go b/pkg/sentry/platform/ring0/defs_impl_arm64.go
index 9fb351879..424b66f76 100644
--- a/pkg/sentry/platform/ring0/defs_impl_arm64.go
+++ b/pkg/sentry/platform/ring0/defs_impl_arm64.go
@@ -1,9 +1,10 @@
package ring0
import (
- "fmt"
"gvisor.dev/gvisor/pkg/sentry/arch"
"gvisor.dev/gvisor/pkg/sentry/platform/ring0/pagetables"
+
+ "fmt"
"gvisor.dev/gvisor/pkg/usermem"
"io"
"reflect"
diff --git a/pkg/state/pretty/pretty.go b/pkg/state/pretty/pretty.go
index 1375fcc38..887f453a9 100644
--- a/pkg/state/pretty/pretty.go
+++ b/pkg/state/pretty/pretty.go
@@ -26,12 +26,17 @@ import (
"gvisor.dev/gvisor/pkg/state/wire"
)
-func formatRef(x *wire.Ref, graph uint64, html bool) string {
+type printer struct {
+ html bool
+ typeSpecs map[string]*wire.Type
+}
+
+func (p *printer) formatRef(x *wire.Ref, graph uint64) string {
baseRef := fmt.Sprintf("g%dr%d", graph, x.Root)
fullRef := baseRef
if len(x.Dots) > 0 {
// See wire.Ref; Type valid if Dots non-zero.
- typ, _ := formatType(x.Type, graph, html)
+ typ, _ := p.formatType(x.Type, graph)
var buf strings.Builder
buf.WriteString("(*")
buf.WriteString(typ)
@@ -51,34 +56,40 @@ func formatRef(x *wire.Ref, graph uint64, html bool) string {
buf.WriteString(")")
fullRef = buf.String()
}
- if html {
+ if p.html {
return fmt.Sprintf("<a href=\"#%s\">%s</a>", baseRef, fullRef)
}
return fullRef
}
-func formatType(t wire.TypeSpec, graph uint64, html bool) (string, bool) {
+func (p *printer) formatType(t wire.TypeSpec, graph uint64) (string, bool) {
switch x := t.(type) {
case wire.TypeID:
- base := fmt.Sprintf("g%dt%d", graph, x)
- if html {
- return fmt.Sprintf("<a href=\"#%s\">%s</a>", base, base), true
+ tag := fmt.Sprintf("g%dt%d", graph, x)
+ desc := tag
+ if spec, ok := p.typeSpecs[tag]; ok {
+ desc += fmt.Sprintf("=%s", spec.Name)
+ } else {
+ desc += "!missing-type-spec"
+ }
+ if p.html {
+ return fmt.Sprintf("<a href=\"#%s\">%s</a>", tag, desc), true
}
- return fmt.Sprintf("%s", base), true
+ return desc, true
case wire.TypeSpecNil:
return "", false // Only nil type.
case *wire.TypeSpecPointer:
- element, _ := formatType(x.Type, graph, html)
+ element, _ := p.formatType(x.Type, graph)
return fmt.Sprintf("(*%s)", element), true
case *wire.TypeSpecArray:
- element, _ := formatType(x.Type, graph, html)
+ element, _ := p.formatType(x.Type, graph)
return fmt.Sprintf("[%d](%s)", x.Count, element), true
case *wire.TypeSpecSlice:
- element, _ := formatType(x.Type, graph, html)
+ element, _ := p.formatType(x.Type, graph)
return fmt.Sprintf("([]%s)", element), true
case *wire.TypeSpecMap:
- key, _ := formatType(x.Key, graph, html)
- value, _ := formatType(x.Value, graph, html)
+ key, _ := p.formatType(x.Key, graph)
+ value, _ := p.formatType(x.Value, graph)
return fmt.Sprintf("(map[%s]%s)", key, value), true
default:
panic(fmt.Sprintf("unreachable: unknown type %T", t))
@@ -87,7 +98,7 @@ func formatType(t wire.TypeSpec, graph uint64, html bool) (string, bool) {
// format formats a single object, for pretty-printing. It also returns whether
// the value is a non-zero value.
-func format(graph uint64, depth int, encoded wire.Object, html bool) (string, bool) {
+func (p *printer) format(graph uint64, depth int, encoded wire.Object) (string, bool) {
switch x := encoded.(type) {
case wire.Nil:
return "nil", false
@@ -98,7 +109,7 @@ func format(graph uint64, depth int, encoded wire.Object, html bool) (string, bo
case *wire.Complex128:
return fmt.Sprintf("%f+%fi", real(*x), imag(*x)), *x != 0.0
case *wire.Ref:
- return formatRef(x, graph, html), x.Root != 0
+ return p.formatRef(x, graph), x.Root != 0
case *wire.Type:
tabs := "\n" + strings.Repeat("\t", depth)
items := make([]string, 0, len(x.Fields)+2)
@@ -109,7 +120,7 @@ func format(graph uint64, depth int, encoded wire.Object, html bool) (string, bo
items = append(items, "}")
return strings.Join(items, tabs), true // No zero value.
case *wire.Slice:
- return fmt.Sprintf("%s{len:%d,cap:%d}", formatRef(&x.Ref, graph, html), x.Length, x.Capacity), x.Capacity != 0
+ return fmt.Sprintf("%s{len:%d,cap:%d}", p.formatRef(&x.Ref, graph), x.Length, x.Capacity), x.Capacity != 0
case *wire.Array:
if len(x.Contents) == 0 {
return "[]", false
@@ -119,7 +130,7 @@ func format(graph uint64, depth int, encoded wire.Object, html bool) (string, bo
items = append(items, "[")
tabs := "\n" + strings.Repeat("\t", depth)
for i := 0; i < len(x.Contents); i++ {
- item, ok := format(graph, depth+1, x.Contents[i], html)
+ item, ok := p.format(graph, depth+1, x.Contents[i])
if !ok {
zeros = append(zeros, fmt.Sprintf("\t%s,", item))
continue
@@ -136,7 +147,9 @@ func format(graph uint64, depth int, encoded wire.Object, html bool) (string, bo
items = append(items, "]")
return strings.Join(items, tabs), len(zeros) < len(x.Contents)
case *wire.Struct:
- typ, _ := formatType(x.TypeID, graph, html)
+ tag := fmt.Sprintf("g%dt%d", graph, x.TypeID)
+ spec, _ := p.typeSpecs[tag]
+ typ, _ := p.formatType(x.TypeID, graph)
if x.Fields() == 0 {
return fmt.Sprintf("struct[%s]{}", typ), false
}
@@ -145,9 +158,15 @@ func format(graph uint64, depth int, encoded wire.Object, html bool) (string, bo
tabs := "\n" + strings.Repeat("\t", depth)
allZero := true
for i := 0; i < x.Fields(); i++ {
- element, ok := format(graph, depth+1, *x.Field(i), html)
+ var name string
+ if spec != nil && i < len(spec.Fields) {
+ name = spec.Fields[i]
+ } else {
+ name = fmt.Sprintf("%d", i)
+ }
+ element, ok := p.format(graph, depth+1, *x.Field(i))
allZero = allZero && !ok
- items = append(items, fmt.Sprintf("\t%d: %s,", i, element))
+ items = append(items, fmt.Sprintf("\t%s: %s,", name, element))
}
items = append(items, "}")
return strings.Join(items, tabs), !allZero
@@ -159,15 +178,15 @@ func format(graph uint64, depth int, encoded wire.Object, html bool) (string, bo
items = append(items, "map{")
tabs := "\n" + strings.Repeat("\t", depth)
for i := 0; i < len(x.Keys); i++ {
- key, _ := format(graph, depth+1, x.Keys[i], html)
- value, _ := format(graph, depth+1, x.Values[i], html)
+ key, _ := p.format(graph, depth+1, x.Keys[i])
+ value, _ := p.format(graph, depth+1, x.Values[i])
items = append(items, fmt.Sprintf("\t%s: %s,", key, value))
}
items = append(items, "}")
return strings.Join(items, tabs), true
case *wire.Interface:
- typ, typOk := formatType(x.Type, graph, html)
- element, elementOk := format(graph, depth+1, x.Value, html)
+ typ, typOk := p.formatType(x.Type, graph)
+ element, elementOk := p.format(graph, depth+1, x.Value)
return fmt.Sprintf("interface[%s]{%s}", typ, element), typOk || elementOk
default:
// Must be a primitive; use reflection.
@@ -176,11 +195,11 @@ func format(graph uint64, depth int, encoded wire.Object, html bool) (string, bo
}
// printStream is the basic print implementation.
-func printStream(w io.Writer, r wire.Reader, html bool) (err error) {
+func (p *printer) printStream(w io.Writer, r wire.Reader) (err error) {
// current graph ID.
var graph uint64
- if html {
+ if p.html {
fmt.Fprintf(w, "<pre>")
defer fmt.Fprintf(w, "</pre>")
}
@@ -195,6 +214,8 @@ func printStream(w io.Writer, r wire.Reader, html bool) (err error) {
}
}()
+ p.typeSpecs = make(map[string]*wire.Type)
+
for {
// Find the first object to begin generation.
length, object, err := state.ReadHeader(r)
@@ -222,18 +243,19 @@ func printStream(w io.Writer, r wire.Reader, html bool) (err error) {
// loop in decode.go. But we don't register type information,
// etc. and just print the raw structures.
var (
- oid uint64 = 1
- tid uint64 = 1
+ tid uint64 = 1
+ objects []wire.Object
)
- for oid <= length {
+ for oid := uint64(1); oid <= length; {
// Unmarshal the object.
encoded := wire.Load(r)
// Is this a type?
- if _, ok := encoded.(*wire.Type); ok {
- str, _ := format(graph, 0, encoded, html)
+ if typ, ok := encoded.(*wire.Type); ok {
+ str, _ := p.format(graph, 0, encoded)
tag := fmt.Sprintf("g%dt%d", graph, tid)
- if html {
+ p.typeSpecs[tag] = typ
+ if p.html {
// See below.
tag = fmt.Sprintf("<a name=\"%s\">%s</a><a href=\"#%s\">&#9875;</a>", tag, tag, tag)
}
@@ -244,17 +266,24 @@ func printStream(w io.Writer, r wire.Reader, html bool) (err error) {
continue
}
+ // Otherwise, it is a node.
+ objects = append(objects, encoded)
+ oid++
+ }
+
+ for i, encoded := range objects {
+ // oid starts at 1.
+ oid := i + 1
// Format the node.
- str, _ := format(graph, 0, encoded, html)
+ str, _ := p.format(graph, 0, encoded)
tag := fmt.Sprintf("g%dr%d", graph, oid)
- if html {
+ if p.html {
// Create a little tag with an anchor next to it for linking.
tag = fmt.Sprintf("<a name=\"%s\">%s</a><a href=\"#%s\">&#9875;</a>", tag, tag, tag)
}
if _, err := fmt.Fprintf(w, "%s = %s\n", tag, str); err != nil {
return err
}
- oid++
}
}
@@ -263,10 +292,10 @@ func printStream(w io.Writer, r wire.Reader, html bool) (err error) {
// PrintText reads the stream from r and prints text to w.
func PrintText(w io.Writer, r wire.Reader) error {
- return printStream(w, r, false /* html */)
+ return (&printer{}).printStream(w, r)
}
// PrintHTML reads the stream from r and prints html to w.
func PrintHTML(w io.Writer, r wire.Reader) error {
- return printStream(w, r, true /* html */)
+ return (&printer{html: true}).printStream(w, r)
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-04 17:44:59 +0000