diff options
Diffstat (limited to 'filesystem/filesystem.go')
| -rw-r--r-- | filesystem/filesystem.go | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/filesystem/filesystem.go b/filesystem/filesystem.go index 28cec2715..dadacae3d 100644 --- a/filesystem/filesystem.go +++ b/filesystem/filesystem.go @@ -926,3 +926,26 @@ func (f *filesystem) getLibsForLinkerConfig(ctx android.ModuleContext) ([]androi return provideModules, requireModules } + +// Checks that the given file doesn't exceed the given size, and will also print a warning +// if it's nearing the maximum size. Equivalent to assert-max-image-size in make: +// https://cs.android.com/android/platform/superproject/main/+/main:build/make/core/definitions.mk;l=3455;drc=993c4de29a02a6accd60ceaaee153307e1a18d10 +func assertMaxImageSize(builder *android.RuleBuilder, image android.Path, maxSize int64, addAvbLater bool) { + if addAvbLater { + // The value 69632 is derived from MAX_VBMETA_SIZE + MAX_FOOTER_SIZE in avbtool. + // Logic copied from make: + // https://cs.android.com/android/platform/superproject/main/+/main:build/make/core/Makefile;l=228;drc=a6a0007ef24e16c0b79f439beac4a118416717e6 + maxSize -= 69632 + } + cmd := builder.Command() + cmd.Textf(`file="%s"; maxsize="%d";`+ + `total=$(stat -c "%%s" "$file" | tr -d '\n');`+ + `if [ "$total" -gt "$maxsize" ]; then `+ + ` echo "error: $file too large ($total > $maxsize)";`+ + ` false;`+ + `elif [ "$total" -gt $((maxsize - 32768)) ]; then `+ + ` echo "WARNING: $file approaching size limit ($total now; limit $maxsize)";`+ + `fi`, + image, maxSize) + cmd.Implicit(image) +} |