Parse the target endianness from the output of "show endian" and cache
the result to return it via the new helper get_target_endiannes. We will
need it for reading integers from buffers that contain target memory.
Signed-off-by: Jan Kiszka <jan.kis...@siemens.com>
---
scripts/gdb/linux/utils.py | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/scripts/gdb/linux/utils.py b/scripts/gdb/linux/utils.py
index c9d705b..10a227b 100644
--- a/scripts/gdb/linux/utils.py
+++ b/scripts/gdb/linux/utils.py
@@ -67,3 +67,21 @@ Note that TYPE and ELEMENT have to be quoted as strings."""
elementname.string())
ContainerOf()
+
+
+BIG_ENDIAN = 0
+LITTLE_ENDIAN = 1
+target_endianness = None
+
+
+def get_target_endianness():
+ global target_endianness
+ if target_endianness is None:
+ endian = gdb.execute("show endian", to_string=True)
+ if "little endian" in endian:
+ target_endianness = LITTLE_ENDIAN
+ elif "big endian" in endian:
+ target_endianness = BIG_ENDIAN
+ else:
+ raise gdb.GdgError("unknown endianness '{0}'".format(endian))
+ return target_endianness
--
1.8.1.1.298.ge7eed54
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