add passing tests to maps and change debug info generation location

Author: varun-r-mallya

.github/dependabot.yml

@@ -0,0 +1,11 @@
+version: 2
+updates:
+  # Maintain dependencies for GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    groups:
+      actions:
+        patterns:
+          - "*"

pythonbpf/maps/maps_pass.py

@@ -46,9 +46,6 @@ def create_bpf_map(module, map_name, map_params):
     map_global.section = ".maps"
     map_global.align = 8
 
-    # Generate debug info for BTF
-    create_map_debug_info(module, map_global, map_name, map_params)
-
     logger.info(f"Created BPF map: {map_name} with params {map_params}")
     return map_global
 
@@ -130,7 +127,10 @@ def process_hash_map(map_name, rval, module):
                 map_params["max_entries"] = const_val
 
     logger.info(f"Map parameters: {map_params}")
-    return create_bpf_map(module, map_name, map_params)
+    map_global = create_bpf_map(module, map_name, map_params)
+    # Generate debug info for BTF
+    create_map_debug_info(module, map_global, map_name, map_params)
+    return map_global
 
 
 @MapProcessorRegistry.register("PerfEventArray")
@@ -152,7 +152,10 @@ def process_perf_event_map(map_name, rval, module):
             map_params["value_size"] = keyword.value.id
 
     logger.info(f"Map parameters: {map_params}")
-    return create_bpf_map(module, map_name, map_params)
+    map_global = create_bpf_map(module, map_name, map_params)
+    # Generate debug info for BTF
+    create_map_debug_info(module, map_global, map_name, map_params)
+    return map_global
 
 
 def process_bpf_map(func_node, module):

tests/passing_tests/hash_map.py

@@ -0,0 +1,44 @@
+from pythonbpf import bpf, map, bpfglobal, BPF, section
+from pythonbpf.maps import HashMap
+from pylibbpf import BpfMap
+from ctypes import c_int32, c_uint64, c_void_p
+
+
+# Define a map
+@bpf
+@map
+def mymap() -> HashMap:
+    return HashMap(key=c_int32, value=c_uint64, max_entries=16)
+
+@bpf
+@section("tracepoint/syscalls/sys_enter_clone")
+def testing(ctx: c_void_p) -> c_int32:
+    return c_int32(0)
+
+@bpf
+@bpfglobal
+def LICENSE() -> str:
+    return "GPL"
+
+# Load program (no sections -> nothing attached, just map exists)
+b = BPF()
+b.load_and_attach()
+
+# Access the map
+bpymap = BpfMap(b, mymap)
+
+# Insert values
+bpymap.update(1, 100)
+bpymap.update(2, 200)
+
+# Read values
+print("Key 1 =", bpymap.lookup(1))
+print("Key 2 =", bpymap.lookup(2))
+
+# Update again
+bpymap.update(1, bpymap.lookup(1) + 50)
+print("Key 1 updated =", bpymap.lookup(1))
+
+# Iterate through keys
+for k in bpymap.keys():
+    print("Key:", k, "Value:", bpymap[k])