adds test

tests/elfs/callx_unaligned.rs

@@ -0,0 +1,12 @@
+#![feature(asm_experimental_arch)]
+
+#[no_mangle]
+pub fn entrypoint() {
+    unsafe {
+        std::arch::asm!("
+rsh64 r1, 2
+or64 r1, 0x129
+callx r1
+        ");
+    }
+}

tests/elfs/elfs.sh

@@ -3,7 +3,7 @@
 # Requires Latest release of Solana's custom LLVM
 # https://github.com/solana-labs/platform-tools/releases
 
-TOOLCHAIN=../../../solana/sdk/sbf/dependencies/sbf-tools
+TOOLCHAIN=../../../agave/sdk/sbf/dependencies/platform-tools
 RC_COMMON="$TOOLCHAIN/rust/bin/rustc --target sbf-solana-solana --crate-type lib -C panic=abort -C opt-level=2"
 RC="$RC_COMMON -C target_cpu=sbfv2"
 RC_V1="$RC_COMMON -C target_cpu=generic"
@@ -56,4 +56,7 @@ $LD_V1 -o reloc_64_relative_sbpfv1.so reloc_64_relative.o
 # $RC_V1 -o reloc_64_relative_data.o reloc_64_relative_data.rs
 # $LD_V1 -o reloc_64_relative_data_sbpfv1.so reloc_64_relative_data.o
 
+# $RC_V1 -o callx_unaligned.o callx_unaligned.rs
+# $LD_V1 -o callx_unaligned.so callx_unaligned.o
+
 rm *.o

tests/execution.rs

@@ -2320,6 +2320,17 @@ fn test_err_callx_oob_high() {
     );
 }
 
+#[test]
+fn test_callx_unaligned_text_section() {
+    test_interpreter_and_jit_elf!(
+        "tests/elfs/callx_unaligned.so",
+        [],
+        (),
+        TestContextObject::new(129),
+        ProgramResult::Err(EbpfError::CallDepthExceeded),
+    );
+}
+
 #[test]
 fn test_bpf_to_bpf_depth() {
     for max_call_depth in [20usize, Config::default().max_call_depth] {