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authorCliff Click <cliffc@acm.org>2026-08-10 11:11:18 -0700
committerCliff Click <cliffc@acm.org>2026-10-24 15:56:44 -0700
commit741d78b6e840c88b7b183010c812ad982b342da1 (patch)
tree84a75eb7ad351bffd20cd5fb152bab032b74271c /src/test/java/com/seaofnodes/simple/NativeAddressTest.java
parent8d90d2292bbdb23596849c3c3d1cda2f6cad783e (diff)
downloadSimple-linear-chapter28a.tar.gz
Simple-linear-chapter28a.zip
Chapter 28a: Modules and Lazy Class Initializationlinear-chapter28a
Co-authored-by: Hsiang-Ying Fu <66062782+fuhsnn@users.noreply.github.com> Co-authored-by: fuhsnn <66062782+fuhsnn@users.noreply.github.com> Co-authored-by: Symious <14933944+symious@users.noreply.github.com> Co-authored-by: Jun Kawasaki <jun784@gmail.com> Co-authored-by: Claude Opus 5 <noreply@anthropic.com>
Diffstat (limited to 'src/test/java/com/seaofnodes/simple/NativeAddressTest.java')
-rw-r--r--src/test/java/com/seaofnodes/simple/NativeAddressTest.java54
1 files changed, 0 insertions, 54 deletions
diff --git a/src/test/java/com/seaofnodes/simple/NativeAddressTest.java b/src/test/java/com/seaofnodes/simple/NativeAddressTest.java
deleted file mode 100644
index 6d21ca5f..00000000
--- a/src/test/java/com/seaofnodes/simple/NativeAddressTest.java
+++ /dev/null
@@ -1,54 +0,0 @@
-package com.seaofnodes.simple;
-
-import com.seaofnodes.simple.codegen.CodeGen;
-import com.seaofnodes.simple.codegen.Encoding;
-import com.seaofnodes.isa.eval.EvalArm64;
-import com.seaofnodes.isa.eval.EvalRisc5;
-import java.io.IOException;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import org.junit.Test;
-import static org.junit.Assert.*;
-
-public class NativeAddressTest {
- @Test public void testReturnedNativeAddress() throws IOException {
- Path dir = Path.of("build/objs");
- Files.createDirectories(dir);
- Files.writeString(dir.resolve("nativeAddress.smp"), """
- val getAbs = { ->
- { i32 -> i32 } abs = "C";
- return abs;
- };
- """);
- Files.writeString(dir.resolve("nativeAddress.c"), """
- typedef int (*func)(int);
- extern func getAbs(void);
- int main(void) {
- func f = getAbs();
- return f(-7) != 7 || f(9) != 9;
- }
- """);
- TestC.run("build/objs", "nativeAddress", "", -1);
- }
-
- @Test public void testEmulatedNativeAddress() throws IOException {
- // No native call: return the address itself, patched to the emulator's
- // known write entry. Both ports share Encoding's symbol lookup.
- String src = "{ int -> int } write = \"C\"; return write;";
- for( String cpu : new String[]{"arm","riscv"} ) {
- CodeGen code = new CodeGen(src).driver(cpu,"SystemV",null);
- byte[] bits = code._encoding.bits();
- byte[] image = new byte[1<<20];
- System.arraycopy(bits,0,image,0,bits.length);
- if( cpu.equals("arm") ) {
- EvalArm64 eval = new EvalArm64(image,1<<16);
- assertEquals(0,eval.step(100));
- assertEquals(Encoding.SENTINEL_WRITE,eval.regs[0]);
- } else {
- EvalRisc5 eval = new EvalRisc5(image,1<<16);
- assertEquals(0,eval.step(100));
- assertEquals(Encoding.SENTINEL_WRITE,eval.regs[10]);
- }
- }
- }
-}