sys/syz-sysgen: save flags's possible values

This extends Target to contain a map of possible values for each int
flag.

2 files changed, 12 insertions, 0 deletions

diff --git a/prog/target.go b/prog/target.go
index 2889b8bf0..be2db51c5 100644
--- a/prog/target.go
+++ b/prog/target.go
@@ -26,6 +26,7 @@ type Target struct {
 	Syscalls  []*Syscall
 	Resources []*ResourceDesc
 	Consts    []ConstValue
+	Flags     []FlagDesc
 
 	// MakeDataMmap creates calls that mmaps target data memory range.
 	MakeDataMmap func() []*Call
@@ -63,6 +64,7 @@ type Target struct {
 	// Filled by prog package:
 	SyscallMap map[string]*Syscall
 	ConstMap   map[string]uint64
+	FlagsMap   map[string][]string
 
 	init        sync.Once
 	initArch    func(target *Target)
@@ -167,6 +169,11 @@ func (target *Target) initTarget() {
 		target.SyscallMap[c.Name] = c
 	}
 
+	target.FlagsMap = make(map[string][]string)
+	for _, c := range target.Flags {
+		target.FlagsMap[c.Name] = c.Values
+	}
+
 	target.populateResourceCtors()
 	target.resourceCtors = make(map[string][]ResourceCtor)
 	for _, res := range target.Resources {
diff --git a/prog/types.go b/prog/types.go
index 51f5e0cbe..ce02d2d21 100644
--- a/prog/types.go
+++ b/prog/types.go
@@ -241,6 +241,11 @@ func (t *TypeCommon) Alignment() uint64 {
 	return t.TypeAlign
 }
 
+type FlagDesc struct {
+	Name   string
+	Values []string
+}
+
 type ResourceDesc struct {
 	Name   string
 	Kind   []string