LibDebug: Shrink some of the high-volume data structures

We quickly allocate a *ton* of these when loading large executables.

2 files changed, 6 insertions, 5 deletions

diff --git a/Libraries/LibDebug/Dwarf/DIE.h b/Libraries/LibDebug/Dwarf/DIE.h
index 713609b772..3ba68eafa8 100644
--- a/Libraries/LibDebug/Dwarf/DIE.h
+++ b/Libraries/LibDebug/Dwarf/DIE.h
@@ -43,7 +43,7 @@ public:
     DIE(const CompilationUnit&, u32 offset);
 
     struct AttributeValue {
-        enum class Type {
+        enum class Type : u8 {
             UnsignedNumber,
             SignedNumber,
             String,
diff --git a/Libraries/LibDebug/Dwarf/DwarfTypes.h b/Libraries/LibDebug/Dwarf/DwarfTypes.h
index 86304b067a..48c9f6c296 100644
--- a/Libraries/LibDebug/Dwarf/DwarfTypes.h
+++ b/Libraries/LibDebug/Dwarf/DwarfTypes.h
@@ -38,7 +38,7 @@ struct [[gnu::packed]] CompilationUnitHeader
     u8 address_size;
 };
 
-enum class EntryTag : u32 {
+enum class EntryTag : u16 {
     None = 0,
     ArrayType = 0x1,
     ClassType = 0x2,
@@ -113,7 +113,7 @@ enum class EntryTag : u32 {
     HiUser = 0xffff,
 };
 
-enum class Attribute : u32 {
+enum class Attribute : u16 {
     None = 0,
     Sibling = 0x1,
     Location = 0x2,
@@ -240,7 +240,7 @@ enum class Attribute : u32 {
     HiUser = 0x3fff,
 };
 
-enum class AttributeDataForm : u32 {
+enum class AttributeDataForm : u8 {
     None = 0,
     Addr = 0x1,
     Block2 = 0x3,
@@ -287,7 +287,8 @@ enum class AttributeDataForm : u32 {
     AddrX4 = 0x2c
 };
 
-struct AttributeSpecification {
+struct [[gnu::packed]] AttributeSpecification
+{
     Attribute attribute;
     AttributeDataForm form;
 };