aya-gen: rename probe_read_getter to read_getter

The same code can be used to wrap with preserve_access_index()

aya-gen/src/btf_types.rs

@@ -4,7 +4,7 @@ use thiserror::Error;
 
 use crate::{
     bindgen,
-    getters::{generate_getters_for_items, probe_read_getter},
+    getters::{generate_getters_for_items, read_getter},
     rustfmt,
 };
 
@@ -44,9 +44,8 @@ pub fn generate<T: AsRef<str>>(
 
     let tree = syn::parse_str::<syn::File>(&bindings).unwrap();
     let bpf_probe_read = syn::parse_str::<syn::Path>("::aya_bpf::helpers::bpf_probe_read").unwrap();
-    let getters = generate_getters_for_items(&tree.items, |getter| {
-        probe_read_getter(getter, &bpf_probe_read)
-    });
+    let getters =
+        generate_getters_for_items(&tree.items, |getter| read_getter(getter, &bpf_probe_read));
     let getters =
         rustfmt::format(&getters.to_string()).map_err(|io_error| Error::Rustfmt(io_error))?;
 

aya-gen/src/getters.rs

@@ -99,7 +99,7 @@ pub fn generate_getters_for_items(
     tokens
 }
 
-pub fn probe_read_getter(getter: &Getter<'_>, bpf_probe_read: &Path) -> TokenStream {
+pub fn read_getter(getter: &Getter<'_>, read_fn: &Path) -> TokenStream {
     let ident = getter.ident;
     let ty = getter.ty;
     let prefix = &getter.prefix;
@@ -107,7 +107,7 @@ pub fn probe_read_getter(getter: &Getter<'_>, bpf_probe_read: &Path) -> TokenStr
         Type::Ptr(_) => {
             quote! {
                 pub fn #ident(&self) -> Option<#ty> {
-                    let v = unsafe { #bpf_probe_read(&#(#prefix).*.#ident) }.ok()?;
+                    let v = unsafe { #read_fn(&#(#prefix).*.#ident) }.ok()?;
                     if v.is_null() {
                         None
                     } else {
@@ -119,7 +119,7 @@ pub fn probe_read_getter(getter: &Getter<'_>, bpf_probe_read: &Path) -> TokenStr
         _ => {
             quote! {
                 pub fn #ident(&self) -> Option<#ty> {
-                    unsafe { #bpf_probe_read(&#(#prefix).*.#ident) }.ok()
+                    unsafe { #read_fn(&#(#prefix).*.#ident) }.ok()
                 }
             }
         }

xtask/src/codegen/aya_bpf_bindings.rs

@@ -6,7 +6,7 @@ use structopt::StructOpt;
 
 use aya_gen::{
     bindgen,
-    getters::{generate_getters_for_items, probe_read_getter},
+    getters::{generate_getters_for_items, read_getter},
     write_to_file, write_to_file_fmt,
 };
 use syn::{parse_str, Item};
@@ -75,7 +75,7 @@ pub fn codegen(opts: CodegenOptions) -> Result<(), anyhow::Error> {
         &format!(
             "use super::bindings::*; {}",
             &generate_getters_for_items(&tree.items, |getter| {
-                probe_read_getter(getter, &bpf_probe_read)
+                read_getter(getter, &bpf_probe_read)
             })
             .to_string()
         ),