From ba3030a69481e7ed78b8ec7ebedb694a5bd3b64a Mon Sep 17 00:00:00 2001
From: varun-r-mallya <varunrmallya@gmail.com>
Date: Thu, 4 Sep 2025 10:33:43 +0530
Subject: [PATCH] Update bpf examples and remove function pass code

---
 examples/c-form/Makefile      |  2 +-
 examples/c-form/example.bpf.c | 25 +++++--------------------
 examples/execve.py            |  3 ---
 pythonbpf/functions_pass.py   | 29 +----------------------------
 4 files changed, 7 insertions(+), 52 deletions(-)

diff --git a/examples/c-form/Makefile b/examples/c-form/Makefile
index 2f83602..f834240 100644
--- a/examples/c-form/Makefile
+++ b/examples/c-form/Makefile
@@ -10,7 +10,7 @@ OBJECT := example.bpf.o
 all: $(OUT)
 	
 object: $(SRC)
-	$(BPF_CLANG) $(CFLAGS) $< -o $(OBJECT)
+	$(BPF_CLANG) -O2 -target bpf -c $< -o $(OBJECT)
 
 $(OUT): $(SRC) object
 	$(BPF_CLANG) $(CFLAGS) -S $< -o $@
diff --git a/examples/c-form/example.bpf.c b/examples/c-form/example.bpf.c
index d656dda..8f4292f 100644
--- a/examples/c-form/example.bpf.c
+++ b/examples/c-form/example.bpf.c
@@ -2,31 +2,16 @@
 #include <bpf/bpf_helpers.h>
 #include <stdint.h>
 
-int trace_testing(void *ctx)
-{
-    bpf_printk("THISISACONSTANT");
-    bpf_printk("THISISCONSTANT2");
-    uint64_t a = 69;
-    bpf_printk("%d", a);
-    return 0;
+void test_function() {
+    bpf_printk("test_function called");
 }
 
 SEC("tracepoint/syscalls/sys_enter_execve")
 int trace_execve(void *ctx)
 {
-    if(ctx){
-        trace_testing(ctx);
-    } else {
-        bpf_printk("THISISANOTHERCONSTANT");
-    }
-    bpf_trace_printk("execve called\n", 15);
-    return 0;
-}
-
-SEC("tracepoint/syscalls/sys_exit_execve")
-int trace_randomname_exit(void *ctx)
-{
-    bpf_trace_printk("execve called to exit\n", 15);
+    bpf_printk("execve called");
+    bpf_printk("execve2 called");
+    test_function();
     return 0;
 }
 
diff --git a/examples/execve.py b/examples/execve.py
index c417fa1..6f5f3d6 100644
--- a/examples/execve.py
+++ b/examples/execve.py
@@ -1,12 +1,10 @@
 from pythonbpf.decorators import section
-# from pythonbpf.decorators import tracepoint, syscalls
 from ctypes import c_void_p, c_int32
 
 #This is a test function
 def test_function():
     print("test_function called")
 
-# @tracepoint(syscalls.sys_enter_execve)
 @section("tracepoint/syscalls/sys_enter_execve")
 def trace_execve(ctx: c_void_p) -> c_int32:
     print("execve called")
@@ -14,5 +12,4 @@ def trace_execve(ctx: c_void_p) -> c_int32:
     test_function()
     return c_int32(0)
 
-
 LICENSE = "GPL"
diff --git a/pythonbpf/functions_pass.py b/pythonbpf/functions_pass.py
index ee58229..e3a6102 100644
--- a/pythonbpf/functions_pass.py
+++ b/pythonbpf/functions_pass.py
@@ -1,32 +1,5 @@
 from llvmlite import ir
 import ast
 
-def emit_function(module: ir.Module, license_str: str):
-    license_bytes = license_str.encode("utf8") + b"\x00"
-    elems = [ir.Constant(ir.IntType(8), b) for b in license_bytes]
-    ty = ir.ArrayType(ir.IntType(8), len(elems))
-
-    gvar = ir.GlobalVariable(module, ty, name="LICENSE")
-
-    gvar.initializer = ir.Constant(ty, elems)  # type: ignore
-
-    gvar.align = 1                      # type: ignore
-    gvar.linkage = "dso_local"          # type: ignore
-    gvar.global_constant = False
-    gvar.section = "license"            # type: ignore
-
-    return gvar
-
 def functions_processing(tree, module):
-    bpf_functions = []
-    helper_functions = []
-    for node in tree.body:
-        section_name = ""
-        if isinstance(node, ast.FunctionDef):
-            if len(node.decorator_list) == 1:
-                bpf_functions.append(node)
-            else:
-                if 'helper_functions' not in locals():
-                    helper_functions.append(node)
-    
-    
+    pass