lkml.org 
[lkml]   [2013]   [Jan]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v5 08/20] scripts/gdb: Add get_target_endianness helper
Date
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.kiszka@siemens.com>
---
scripts/gdb/utils.py | 17 +++++++++++++++++
1 files changed, 17 insertions(+), 0 deletions(-)

diff --git a/scripts/gdb/utils.py b/scripts/gdb/utils.py
index 13f903a..1c7cb42 100644
--- a/scripts/gdb/utils.py
+++ b/scripts/gdb/utils.py
@@ -77,3 +77,20 @@ class ContainerOf(gdb.Function):
elementname.string())

ContainerOf()
+
+
+BIG_ENDIAN = 0
+LITTLE_ENDIAN = 1
+target_endianness = None
+
+def get_target_endianness():
+ global target_endianness
+ if target_endianness == None:
+ endian = gdb.execute("show endian", False, True)
+ if endian.find("little endian") >= 0:
+ target_endianness = LITTLE_ENDIAN
+ elif endian.find("big endian") >= 0:
+ target_endianness = BIG_ENDIAN
+ else:
+ raise gdb.GdgError("unknown endianness '%s'" % endian)
+ return target_endianness
--
1.7.3.4


\
 
 \ /
  Last update: 2013-01-29 14:21    [W:0.182 / U:0.024 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site