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-rw-r--r--scripts/gdb/linux/utils.py21
1 files changed, 21 insertions, 0 deletions
diff --git a/scripts/gdb/linux/utils.py b/scripts/gdb/linux/utils.py
index 10a227bdb621..808a26596827 100644
--- a/scripts/gdb/linux/utils.py
+++ b/scripts/gdb/linux/utils.py
@@ -85,3 +85,24 @@ def get_target_endianness():
else:
raise gdb.GdgError("unknown endianness '{0}'".format(endian))
return target_endianness
+
+
+def read_u16(buffer):
+ if get_target_endianness() == LITTLE_ENDIAN:
+ return ord(buffer[0]) + (ord(buffer[1]) << 8)
+ else:
+ return ord(buffer[1]) + (ord(buffer[0]) << 8)
+
+
+def read_u32(buffer):
+ if get_target_endianness() == LITTLE_ENDIAN:
+ return read_u16(buffer[0:2]) + (read_u16(buffer[2:4]) << 16)
+ else:
+ return read_u16(buffer[2:4]) + (read_u16(buffer[0:2]) << 16)
+
+
+def read_u64(buffer):
+ if get_target_endianness() == LITTLE_ENDIAN:
+ return read_u32(buffer[0:4]) + (read_u32(buffer[4:8]) << 32)
+ else:
+ return read_u32(buffer[4:8]) + (read_u32(buffer[0:4]) << 32)