[PATCH v6 14/21] scripts/gdb: Add is_target_arch helper

[Jan Kiszka]

This helper caches to result of "show architecture" and matches the
provided arch (sub-)string against that output.

Signed-off-by: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
---
 scripts/gdb/linux/utils.py | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/scripts/gdb/linux/utils.py b/scripts/gdb/linux/utils.py
index 808a265..71ee48c 100644
--- a/scripts/gdb/linux/utils.py
+++ b/scripts/gdb/linux/utils.py
@@ -106,3 +106,16 @@ def read_u64(buffer):
         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)
+
+
+target_arch = None
+
+
+def is_target_arch(arch):
+    if hasattr(gdb.Frame, 'architecture'):
+        return arch in gdb.newest_frame().architecture().name()
+    else:
+        global target_arch
+        if target_arch is None:
+            target_arch = gdb.execute("show architecture", to_string=True)
+        return arch in target_arch
-- 
1.8.1.1.298.ge7eed54

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