An example of debug script debugging (GDB + PyDev)

misc/gdb_python/.gitignore

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+*.exe
+*.o

misc/gdb_python/Makefile

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+# Default target.
+all:
+
+# User can redefine macros & rules in settings.mak above its inclusion.
+
+__progs=$(foreach  p,$(progs),$(p).exe)
+
+__PROG_FILES=$(foreach f,$(1) $($(1)),$(f).o)
+
+__progs_files=$(foreach p,$(progs),$(call __PROG_FILES,$p))
+
+clean:
+	rm -f $(__progs) $(__progs_files)
+
+%.exe:
+	$(CC) $(CFLAGS) $(filter-out Makefile settings.mak,$^) -o $@
+
+include settings.mak
+
+$(foreach f,$(__progs_files) $(__progs),$(eval $(f):settings.mak Makefile))
+$(foreach p,$(progs), $(eval $(p).exe: $(call __PROG_FILES,$p) ))
+all: $(__progs)

misc/gdb_python/main.c

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+void main(void)
+{
+    int i = 0;
+    for (; i < 10;) {
+        i++;
+    }
+}

misc/gdb_python/main.exe-gdb.py

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+# Find out which of system python is backing gdb.
+# Then: sudo [python] -m pip install pydevd
+# import sys
+# print(sys.path)
+
+# A PyDev Debug Server must be active.
+# E.g.: Launch Eclipse with PyDev installed, then Pydev -> Start Debug Server
+# and open "Debug" perspective.
+import pydevd
+
+# Execution of this script is paused after this command with corresponding
+# PyDev GUI reaction.
+pydevd.settrace()
+
+class MyBr(gdb.Breakpoint):
+
+    def stop(self):
+        i = gdb.parse_and_eval("i")
+        # You may set a breakpoint at this line (in Eclipse PyDev editor).
+        return i > 5
+
+MyBr("main.c:5")

misc/gdb_python/readme.md

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+# HowTo
+
+Read [main.exe-gdb.py](main.exe-gdb.py), then:
+
+```bash
+make debug
+```
+
+# References
+- https://www.sourceware.org/gdb/onlinedocs/gdb/Python-API.html
+- https://www.pydev.org/manual_adv_remote_debugger.html

misc/gdb_python/settings.mak

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+CFLAGS+=-g -O0 -no-pie
+
+progs:=main
+
+debug: main.exe
+	gdb -iex "set auto-load safe-path /" main.exe