add riscv support.

bpf/aya-bpf/src/args.rs

@@ -149,7 +149,9 @@ impl<T> FromPtRegs for *const T {
 
     fn from_stack_argument(ctx: &pt_regs, n: usize) -> Option<Self> {
         unsafe {
-            let addr: c_ulonglong = ctx.uregs[13] + 8 * (n + 1) as c_ulonglong;
+            let addr: c_ulonglong = (ctx.uregs[13] + 8 * (n + 1) as c_ulonglong)
+                .try_into()
+                .unwrap();
             bpf_probe_read(addr as *const T)
                 .map(|v| &v as *const _)
                 .ok()
@@ -173,7 +175,7 @@ impl<T> FromPtRegs for *const T {
 
     fn from_stack_argument(ctx: &pt_regs, n: usize) -> Option<Self> {
         unsafe {
-            let addr: c_ulonglong = ctx.sp + 8 * (n + 1) as c_ulonglong;
+            let addr: c_ulonglong = (ctx.sp + 8 * (n + 1) as u64) as c_ulonglong;
             bpf_probe_read(addr as *const T)
                 .map(|v| &v as *const _)
                 .ok()
@@ -201,6 +203,15 @@ impl<T> FromPtRegs for *const T {
         }
     }
 
+    fn from_stack_argument(ctx: &pt_regs, n: usize) -> Option<Self> {
+        unsafe {
+            let addr: c_ulonglong = ctx.sp + 8 * (n + 1) as c_ulonglong;
+            bpf_probe_read(addr as *const T)
+                .map(|v| &v as *const _)
+                .ok()
+        }
+    }
+
     fn from_retval(ctx: &pt_regs) -> Option<Self> {
         unsafe { bpf_probe_read(&ctx.ra).map(|v| v as *const _).ok() }
     }
@@ -246,7 +257,9 @@ impl<T> FromPtRegs for *mut T {
 
     fn from_stack_argument(ctx: &pt_regs, n: usize) -> Option<Self> {
         unsafe {
-            let addr: c_ulonglong = ctx.uregs[13] + 8 * (n + 1) as c_ulonglong;
+            let addr: c_ulonglong = (ctx.uregs[13] + 8 * (n + 1) as c_ulonglong)
+                .try_into()
+                .unwrap();
             bpf_probe_read(addr as *mut T)
                 .map(|mut v| &mut v as *mut _)
                 .ok()
@@ -270,7 +283,7 @@ impl<T> FromPtRegs for *mut T {
 
     fn from_stack_argument(ctx: &pt_regs, n: usize) -> Option<Self> {
         unsafe {
-            let addr: c_ulonglong = ctx.sp + 8 * (n + 1) as c_ulonglong;
+            let addr: c_ulonglong = (ctx.sp + 8 * (n + 1) as u64) as c_ulonglong;
             bpf_probe_read(addr as *mut T)
                 .map(|mut v| &mut v as *mut _)
                 .ok()
@@ -298,6 +311,15 @@ impl<T> FromPtRegs for *mut T {
         }
     }
 
+    fn from_stack_argument(ctx: &pt_regs, n: usize) -> Option<Self> {
+        unsafe {
+            let addr: c_ulonglong = ctx.sp + 8 * (n + 1) as c_ulonglong;
+            bpf_probe_read(addr as *mut T)
+                .map(|mut v| &mut v as *mut _)
+                .ok()
+        }
+    }
+
     fn from_retval(ctx: &pt_regs) -> Option<Self> {
         unsafe { bpf_probe_read(&ctx.ra).map(|v| v as *mut _).ok() }
     }
@@ -346,7 +368,9 @@ macro_rules! impl_from_pt_regs {
 
             fn from_stack_argument(ctx: &pt_regs, n: usize) -> Option<Self> {
                 unsafe {
-                    let addr: c_ulonglong = ctx.uregs[13] + 8 * (n + 1) as c_ulonglong;
+                    let addr: c_ulonglong = (ctx.uregs[13] + 8 * (n + 1) as c_ulonglong)
+                        .try_into()
+                        .unwrap();
                     bpf_probe_read(addr as *const $type)
                         .map(|v| v as $type)
                         .ok()

test/integration-ebpf/Cargo.toml

@@ -28,6 +28,10 @@ path = "src/name_test.rs"
 name = "pass"
 path = "src/pass.rs"
 
+[[bin]]
+name = "stack_argument"
+path = "src/stack_argument.rs"
+
 [[bin]]
 name = "test"
 path = "src/test.rs"
@@ -51,7 +55,3 @@ path = "src/redirect.rs"
 [[bin]]
 name = "xdp_sec"
 path = "src/xdp_sec.rs"
-
-[[bin]]
-name = "stack_argument"
-path = "src/stack_argument.rs"

test/integration-test/src/tests/stack_argument.rs

@@ -1,15 +1,4 @@
-use aya::{
-    include_bytes_aligned,
-    maps::{AsyncPerfEventArray, HashMap},
-    programs::UProbe,
-    util::online_cpus,
-    Bpf,
-};
-use aya_log::BpfLogger;
-use bytes::BytesMut;
-use log::warn;
-
-use crate::STACK_ARGUMENT;
+use aya::{maps::HashMap, programs::UProbe, Bpf};
 
 #[no_mangle]
 #[inline(never)]
@@ -33,7 +22,6 @@ pub extern "C" fn trigger_stack_argument(
 
 #[tokio::test]
 async fn stack_argument() {
-    event_logger::init();
     let mut bpf = Bpf::load(crate::STACK_ARGUMENT).unwrap();
 
     let prog: &mut UProbe = bpf