Fix reading of >1 byte data in .debug_info

dwarf.c

@@ -187,7 +187,8 @@ find_subroutine_offset(u8 *file, u64 header_size, u8 address_size,
             switch (form) {
                 case DW_FORM_sec_offset:
                 case DW_FORM_strp: {
-                    u32 data = file[data_offset];
+                    u32 data;
+                    memcpy(&data, file + data_offset, 4);
                     data_offset += 4; // 8 bytes for x64 DWARF!
                     
                     if (form == DW_FORM_strp) {
@@ -232,7 +233,8 @@ find_subroutine_offset(u8 *file, u64 header_size, u8 address_size,
                 }
                 
                 case DW_FORM_ref4: {
-                    u32 data = file[data_offset];
+                    u32 data;
+                    memcpy(&data, file + data_offset, 4);
                     data_offset += 4;
                     //printf("%#x\n", data);
                     u32 referenced_data = file[original_data_offset - header_size + data];
@@ -262,21 +264,24 @@ find_subroutine_offset(u8 *file, u64 header_size, u8 address_size,
                 };
                 
                 case DW_FORM_data2: {
-                    u16 data = file[data_offset];
+                    u16 data;
+                    memcpy(&data, file + data_offset, 2);
                     data_offset += 2;
                     //printf("%#x\n", data);
                     break;
                 };
                 
                 case DW_FORM_data4: {
-                    u32 data = file[data_offset];
+                    u32 data;
+                    memcpy(&data, file + data_offset, 4);
                     data_offset += 4;
                     //printf("%#x\n", data);
                     break;
                 };
                 
                 case DW_FORM_data8: {
-                    u64 data = file[data_offset];
+                    u64 data;
+                    memcpy(&data, file + data_offset, 8);
                     data_offset += 8;
                     //printf("%#lx\n", data);
                     break;
@@ -284,7 +289,7 @@ find_subroutine_offset(u8 *file, u64 header_size, u8 address_size,
                 
                 default: {
                     if (form) {
-                        //printf("unknown attribute form %d\n", form);
+                        printf("unknown attribute form %d\n", form);
                     }
                 }
             }