chore: check libbpf dev

Author: linsyking

core/CMakeLists.txt

@@ -4,6 +4,13 @@ set(CMAKE_C_FLAGS
     "${CMAKE_C_FLAGS} -Werror -Wunused-function -Wstrict-prototypes -Wenum-compare -Wunused-variable -Wunused-but-set-variable -Wsign-compare -O2 -fstack-protector-strong -fno-omit-frame-pointer -fno-strict-aliasing -std=gnu11"
 )
 
+find_path(LIBBPF_INCLUDE_DIR bpf/libbpf.h)
+find_library(LIBBPF_LIBRARY bpf)
+
+if(NOT LIBBPF_INCLUDE_DIR OR NOT LIBBPF_LIBRARY)
+    message(FATAL_ERROR "libbpf not found. Please install it.")
+endif()
+
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 add_library(
   epass STATIC

core/include/linux/bpf_ir.h

@@ -1065,33 +1065,36 @@ struct builtin_pass_cfg {
 };
 
 #define DEF_CUSTOM_PASS(pass_def, check_applyc, param_loadc, param_unloadc) \
-	{ .pass = pass_def,                                                 \
-	  .param = NULL,                                                    \
-	  .param_load = param_loadc,                                        \
-	  .param_unload = param_unloadc,                                    \
-	  .check_apply = check_applyc }
+	{                                                                   \
+		.pass = pass_def, .param = NULL, .param_load = param_loadc, \
+		.param_unload = param_unloadc, .check_apply = check_applyc  \
+	}
 
 #define DEF_BUILTIN_PASS_CFG(namec, param_loadc, param_unloadc) \
-	{ .name = namec,                                        \
-	  .param = NULL,                                        \
-	  .enable = false,                                      \
-	  .enable_cfg = false,                                  \
-	  .param_load = param_loadc,                            \
-	  .param_unload = param_unloadc }
+	{                                                       \
+		.name = namec, .param = NULL, .enable = false,  \
+		.enable_cfg = false, .param_load = param_loadc, \
+		.param_unload = param_unloadc                   \
+	}
 
 #define DEF_BUILTIN_PASS_ENABLE_CFG(namec, param_loadc, param_unloadc) \
-	{ .name = namec,                                               \
-	  .param = NULL,                                               \
-	  .enable = true,                                              \
-	  .enable_cfg = false,                                         \
-	  .param_load = param_loadc,                                   \
-	  .param_unload = param_unloadc }
+	{                                                              \
+		.name = namec, .param = NULL, .enable = true,          \
+		.enable_cfg = false, .param_load = param_loadc,        \
+		.param_unload = param_unloadc                          \
+	}
 
-#define DEF_FUNC_PASS(fun, msg, en_def) \
-	{ .pass = fun, .name = msg, .enabled = en_def, .force_enable = false }
+#define DEF_FUNC_PASS(fun, msg, en_def)                      \
+	{                                                    \
+		.pass = fun, .name = msg, .enabled = en_def, \
+		.force_enable = false                        \
+	}
 
-#define DEF_NON_OVERRIDE_FUNC_PASS(fun, msg) \
-	{ .pass = fun, .name = msg, .enabled = true, .force_enable = true }
+#define DEF_NON_OVERRIDE_FUNC_PASS(fun, msg)               \
+	{                                                  \
+		.pass = fun, .name = msg, .enabled = true, \
+		.force_enable = true                       \
+	}
 
 /* Passes End */
 
@@ -1125,10 +1128,11 @@ struct ir_value bpf_ir_value_stack_ptr(struct ir_function *fun);
 
 struct ir_value bpf_ir_value_r0(struct ir_function *fun);
 
-#define VR_POS_STACK_PTR                             \
-	(struct ir_vr_pos){ .allocated = true,       \
-			    .alloc_reg = BPF_REG_10, \
-			    .spilled = 0 }
+#define VR_POS_STACK_PTR                                                 \
+	(struct ir_vr_pos)                                               \
+	{                                                                \
+		.allocated = true, .alloc_reg = BPF_REG_10, .spilled = 0 \
+	}
 
 struct ir_value bpf_ir_value_norm_stack_ptr(void);
 

core/include/linux/list.h

@@ -41,7 +41,10 @@ struct list_head {
 	struct list_head *next, *prev;
 };
 
-#define LIST_HEAD_INIT(name) { &(name), &(name) }
+#define LIST_HEAD_INIT(name)     \
+	{                        \
+		&(name), &(name) \
+	}
 
 #define LIST_HEAD(name) struct list_head name = LIST_HEAD_INIT(name)
 
@@ -349,7 +352,10 @@ struct hlist_node {
 	struct hlist_node *next, **pprev;
 };
 
-#define HLIST_HEAD_INIT { .first = NULL }
+#define HLIST_HEAD_INIT       \
+	{                     \
+		.first = NULL \
+	}
 #define HLIST_HEAD(name) struct hlist_head name = { .first = NULL }
 #define INIT_HLIST_HEAD(ptr) ((ptr)->first = NULL)
 static inline void INIT_HLIST_NODE(struct hlist_node *h)

core/scripts/gen_kernel.sh

@@ -2,7 +2,9 @@
 
 # Generating kernel source files
 
-KERNEL_PATH=/home/linsy/Projects/ebpf/ePass-kernel
+GIT_REPO=$(git rev-parse --show-toplevel)
+
+KERNEL_PATH=$GIT_REPO/ePass-kernel
 
 if [ ! -d $KERNEL_PATH ]; then
   echo "Directory does not exists"