Use __noinline macro from bpf_helpers

test/integration-test/bpf/reloc.bpf.c

@@ -4,7 +4,7 @@
 #include <bpf/bpf_core_read.h>
 // clang-format on
 
-char _license[] __attribute__((section("license"), used)) = "GPL";
+char _license[] SEC("license") = "GPL";
 
 struct {
   __uint(type, BPF_MAP_TYPE_ARRAY);
@@ -24,7 +24,7 @@ struct relocated_struct_with_scalars {
   __u8 c;
 };
 
-__attribute__((noinline)) int field_global() {
+__noinline int field_global() {
   struct relocated_struct_with_scalars s = {1, 2, 3};
   return set_output(__builtin_preserve_access_index(s.b));
 }
@@ -36,7 +36,7 @@ struct relocated_struct_with_pointer {
   struct relocated_struct_with_pointer *second;
 };
 
-__attribute__((noinline)) int pointer_global() {
+__noinline int pointer_global() {
   struct relocated_struct_with_pointer s = {
       (struct relocated_struct_with_pointer *)42,
       (struct relocated_struct_with_pointer *)21,
@@ -46,7 +46,7 @@ __attribute__((noinline)) int pointer_global() {
 
 SEC("uprobe") int pointer(void *ctx) { return pointer_global(); }
 
-__attribute__((noinline)) int struct_flavors_global() {
+__noinline int struct_flavors_global() {
   struct relocated_struct_with_scalars s = {1, 2, 3};
   if (bpf_core_field_exists(s.a)) {
     return set_output(__builtin_preserve_access_index(s.a));
@@ -59,7 +59,7 @@ SEC("uprobe") int struct_flavors(void *ctx) { return struct_flavors_global(); }
 
 enum relocated_enum_unsigned_32 { U32 = 0xAAAAAAAA };
 
-__attribute__((noinline)) int enum_unsigned_32_global() {
+__noinline int enum_unsigned_32_global() {
   return set_output(bpf_core_enum_value(enum relocated_enum_unsigned_32, U32));
 }
 
@@ -69,7 +69,7 @@ SEC("uprobe") int enum_unsigned_32(void *ctx) {
 
 enum relocated_enum_signed_32 { S32 = -0x7AAAAAAA };
 
-__attribute__((noinline)) int enum_signed_32_global() {
+__noinline int enum_signed_32_global() {
   return set_output(bpf_core_enum_value(enum relocated_enum_signed_32, S32));
 }
 
@@ -77,7 +77,7 @@ SEC("uprobe") int enum_signed_32(void *ctx) { return enum_signed_32_global(); }
 
 enum relocated_enum_unsigned_64 { U64 = 0xAAAAAAAABBBBBBBB };
 
-__attribute__((noinline)) int enum_unsigned_64_global() {
+__noinline int enum_unsigned_64_global() {
   return set_output(bpf_core_enum_value(enum relocated_enum_unsigned_64, U64));
 }
 
@@ -87,7 +87,7 @@ SEC("uprobe") int enum_unsigned_64(void *ctx) {
 
 enum relocated_enum_signed_64 { u64 = -0xAAAAAAABBBBBBBB };
 
-__attribute__((noinline)) int enum_signed_64_global() {
+__noinline int enum_signed_64_global() {
   return set_output(bpf_core_enum_value(enum relocated_enum_signed_64, u64));
 }