aya: support non-UTF8 probing

Fixes #751.

aya/src/programs/kprobe.rs

@@ -71,8 +71,12 @@ impl KProbe {
     /// target function.
     ///
     /// The returned value can be used to detach from the given function, see [KProbe::detach].
-    pub fn attach(&mut self, fn_name: &str, offset: u64) -> Result<KProbeLinkId, ProgramError> {
+    pub fn attach<T: AsRef<Path>>(
-        attach(&mut self.data, self.kind, Path::new(fn_name), offset, None)
+        &mut self,
+        fn_name: T,
+        offset: u64,
+    ) -> Result<KProbeLinkId, ProgramError> {
+        attach(&mut self.data, self.kind, fn_name.as_ref(), offset, None)
     }
 
     /// Detaches the program.

xtask/public-api/aya.txt

@@ -2896,7 +2896,7 @@ impl<T> core::convert::From<T> for aya::programs::kprobe::KProbeError
 pub fn aya::programs::kprobe::KProbeError::from(t: T) -> T
 pub struct aya::programs::kprobe::KProbe
 impl aya::programs::kprobe::KProbe
-pub fn aya::programs::kprobe::KProbe::attach(&mut self, fn_name: &str, offset: u64) -> core::result::Result<aya::programs::kprobe::KProbeLinkId, aya::programs::ProgramError>
+pub fn aya::programs::kprobe::KProbe::attach<T: core::convert::AsRef<std::path::Path>>(&mut self, fn_name: T, offset: u64) -> core::result::Result<aya::programs::kprobe::KProbeLinkId, aya::programs::ProgramError>
 pub fn aya::programs::kprobe::KProbe::detach(&mut self, link_id: aya::programs::kprobe::KProbeLinkId) -> core::result::Result<(), aya::programs::ProgramError>
 pub fn aya::programs::kprobe::KProbe::from_pin<P: core::convert::AsRef<std::path::Path>>(path: P, kind: aya::programs::ProbeKind) -> core::result::Result<Self, aya::programs::ProgramError>
 pub fn aya::programs::kprobe::KProbe::kind(&self) -> aya::programs::ProbeKind
@@ -5997,7 +5997,7 @@ impl<T> core::convert::From<T> for aya::programs::fexit::FExit
 pub fn aya::programs::fexit::FExit::from(t: T) -> T
 pub struct aya::programs::KProbe
 impl aya::programs::kprobe::KProbe
-pub fn aya::programs::kprobe::KProbe::attach(&mut self, fn_name: &str, offset: u64) -> core::result::Result<aya::programs::kprobe::KProbeLinkId, aya::programs::ProgramError>
+pub fn aya::programs::kprobe::KProbe::attach<T: core::convert::AsRef<std::path::Path>>(&mut self, fn_name: T, offset: u64) -> core::result::Result<aya::programs::kprobe::KProbeLinkId, aya::programs::ProgramError>
 pub fn aya::programs::kprobe::KProbe::detach(&mut self, link_id: aya::programs::kprobe::KProbeLinkId) -> core::result::Result<(), aya::programs::ProgramError>
 pub fn aya::programs::kprobe::KProbe::from_pin<P: core::convert::AsRef<std::path::Path>>(path: P, kind: aya::programs::ProbeKind) -> core::result::Result<Self, aya::programs::ProgramError>
 pub fn aya::programs::kprobe::KProbe::kind(&self) -> aya::programs::ProbeKind