From bc5d78ee5f73e786cd12f5642313664197d8dded Mon Sep 17 00:00:00 2001
From: Sanchayan Maity <sanchayan@sanchayanmaity.net>
Date: Sun, 3 Apr 2022 10:31:28 +0530
Subject: [PATCH] gdb: Add custom script for breakpoint with conditions on
 backtrace

---
 gdb/.gdbinit.d/scripts/framebp.py | 37 +++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 gdb/.gdbinit.d/scripts/framebp.py

diff --git a/gdb/.gdbinit.d/scripts/framebp.py b/gdb/.gdbinit.d/scripts/framebp.py
new file mode 100644
index 0000000..cb56cc0
--- /dev/null
+++ b/gdb/.gdbinit.d/scripts/framebp.py
@@ -0,0 +1,37 @@
+# https://osa1.net/posts/2020-04-25-breakpoint-backtrace-conditionals.html
+import gdb  # type: ignore
+
+
+class FrameBp(gdb.Breakpoint):
+    def __init__(self, spec, *args, frame=None, **kwargs):
+        self.frame = frame
+        super().__init__(spec, *args, **kwargs)
+
+    def stop(self):
+        frame = gdb.selected_frame().older()
+
+        while frame:
+            if frame.name() == self.frame:
+                return True
+
+            frame = frame.older()
+
+        return False
+
+
+class FrameBP(gdb.Command):
+    def __init__(self):
+        super().__init__("framebp", gdb.COMMAND_USER)
+
+    def complete(self, _text, _word):
+        return gdb.COMPLETE_SYMBOL
+
+    def invoke(self, args, _from_tty):
+        args = args.split()
+        if len(args) != 2:
+            print("Need function name and frame as arguments")
+            return
+
+        FrameBp(args[0], frame=args[1])
+
+FrameBP()