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Refactors.

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Nuno Cruces
2024-04-11 12:00:17 +01:00
parent 11c03a16f9
commit e503be641a
13 changed files with 51 additions and 77 deletions
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12
internal/util/mmap.go
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@@ -29,7 +29,7 @@ func CanMap(ctx context.Context) bool {
return s.mmapState.enabled
}
func (s *mmapState) new(ctx context.Context, mod api.Module, size uint32) *MappedRegion {
func (s *mmapState) new(ctx context.Context, mod api.Module, size int32) *MappedRegion {
// Find unused region.
for _, r := range s.regions {
if !r.used && r.size == size {
@@ -65,11 +65,11 @@ func (s *mmapState) new(ctx context.Context, mod api.Module, size uint32) *Mappe
type MappedRegion struct {
addr uintptr
Ptr uint32
size uint32
size int32
used bool
}
func MapRegion(ctx context.Context, mod api.Module, f *os.File, offset int64, size uint32) (*MappedRegion, error) {
func MapRegion(ctx context.Context, mod api.Module, f *os.File, offset int64, size int32) (*MappedRegion, error) {
s := ctx.Value(moduleKey{}).(*moduleState)
r := s.new(ctx, mod, size)
err := r.mmap(f, offset)
@@ -98,8 +98,8 @@ func (r *MappedRegion) mmap(f *os.File, offset int64) error {
return err
}
// We need the low level mmap for MAP_FIXED to work.
// Bind the syscall version hoping that it is more stable.
//go:linkname mmap syscall.mmap
func mmap(addr, length uintptr, prot, flag, fd int, pos int64) (*byte, error)
//go:linkname munmap syscall.munmap
func munmap(addr, length uintptr) error