1 files changed, 34 insertions, 9 deletions
diff --git a/scripts/gdb/linux/utils.py b/scripts/gdb/linux/utils.py
index ff7c1799d588..7d5278d815fa 100644
--- a/scripts/gdb/linux/utils.py
+++ b/scripts/gdb/linux/utils.py
@@ -35,12 +35,31 @@ class CachedType:
 
 
 long_type = CachedType("long")
+ulong_type = CachedType("unsigned long")
+uint_type = CachedType("unsigned int")
+atomic_long_type = CachedType("atomic_long_t")
+size_t_type = CachedType("size_t")
+struct_page_type = CachedType("struct page")
 
+def get_uint_type():
+    global uint_type
+    return uint_type.get_type()
+
+def get_page_type():
+    global struct_page_type
+    return struct_page_type.get_type()
 
 def get_long_type():
     global long_type
     return long_type.get_type()
 
+def get_ulong_type():
+    global ulong_type
+    return ulong_type.get_type()
+
+def get_size_t_type():
+    global size_t_type
+    return size_t_type.get_type()
 
 def offset_of(typeobj, field):
     element = gdb.Value(0).cast(typeobj)
@@ -89,7 +108,10 @@ def get_target_endianness():
 
 
 def read_memoryview(inf, start, length):
-    return memoryview(inf.read_memory(start, length))
+    m = inf.read_memory(start, length)
+    if type(m) is memoryview:
+        return m
+    return memoryview(m)
 
 
 def read_u16(buffer, offset):
@@ -129,6 +151,17 @@ def read_ulong(buffer, offset):
     else:
         return read_u32(buffer, offset)
 
+atomic_long_counter_offset = atomic_long_type.get_type()['counter'].bitpos
+atomic_long_counter_sizeof = atomic_long_type.get_type()['counter'].type.sizeof
+
+def read_atomic_long(buffer, offset):
+    global atomic_long_counter_offset
+    global atomic_long_counter_sizeof
+
+    if atomic_long_counter_sizeof == 8:
+        return read_u64(buffer, offset + atomic_long_counter_offset)
+    else:
+        return read_u32(buffer, offset + atomic_long_counter_offset)
 
 target_arch = None
 
@@ -183,11 +216,3 @@ def gdb_eval_or_none(expresssion):
         return gdb.parse_and_eval(expresssion)
     except gdb.error:
         return None
-
-
-def dentry_name(d):
-    parent = d['d_parent']
-    if parent == d or parent == 0:
-        return ""
-    p = dentry_name(d['d_parent']) + "/"
-    return p + d['d_iname'].string()