lpdump: Add support for the metadata flags field.

Bug: 134949511
Test: manual test
Change-Id: Iafc5193c71315b14f192fcc0ae42188a51b0d2cb

1 files changed, 13 insertions, 0 deletions

diff --git a/partition_tools/lpdump.cc b/partition_tools/lpdump.cc
index 098d45ba..af370483 100644
--- a/partition_tools/lpdump.cc
+++ b/partition_tools/lpdump.cc
@@ -68,6 +68,18 @@ static std::string BuildFlagString(const std::vector<std::string>& strings) {
     return strings.empty() ? "none" : android::base::Join(strings, ",");
 }
 
+static std::string BuildHeaderFlagString(uint32_t flags) {
+    std::vector<std::string> strings;
+
+    for (uint32_t i = 0; i < sizeof(flags) * 8; i++) {
+        if (!(flags & (1 << i))) {
+            continue;
+        }
+        strings.emplace_back("unknown_flag_bit_" + std::to_string(i));
+    }
+    return BuildFlagString(strings);
+}
+
 static std::string BuildAttributeString(uint32_t attrs) {
     std::vector<std::string> strings;
     if (attrs & LP_PARTITION_ATTR_READONLY) strings.emplace_back("readonly");
@@ -291,6 +303,7 @@ static void PrintMetadata(const LpMetadata& pt, std::ostream& cout) {
     cout << "Metadata size: " << (pt.header.header_size + pt.header.tables_size) << " bytes\n";
     cout << "Metadata max size: " << pt.geometry.metadata_max_size << " bytes\n";
     cout << "Metadata slot count: " << pt.geometry.metadata_slot_count << "\n";
+    cout << "Header flags: " << BuildHeaderFlagString(pt.header.flags) << "\n";
     cout << "Partition table:\n";
     cout << "------------------------\n";