Update bpf examples and remove function pass code

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 $@

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;
 }
 

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"

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