Printing a string

Bug fix big constant ELF numbering
cpool writing handles constant arrays
casting an array to an int works, gives the array base as int; suitable for passing to FFI.  Is not GC stable.
Encode `ldi` ptrs.
Types have a size, logsize, and alignment.
Explicit struct layout

3 files changed, 7 insertions, 5 deletions

diff --git a/chapter22/src/test/java/com/seaofnodes/simple/Chapter15Test.java b/chapter22/src/test/java/com/seaofnodes/simple/Chapter15Test.java
index cebbf4a0..a98e62d8 100644
--- a/chapter22/src/test/java/com/seaofnodes/simple/Chapter15Test.java
+++ b/chapter22/src/test/java/com/seaofnodes/simple/Chapter15Test.java
@@ -253,10 +253,10 @@ return new flt;
     public void testBad1() {
         CodeGen code = new CodeGen(
 """
-int is = new int[2];
+flt is = new int[2];
 """);
         try { code.parse().opto(); fail(); }
-        catch( Exception e ) { assertEquals("Type *[int] is not of declared type int",e.getMessage()); }
+        catch( Exception e ) { assertEquals("Type *[int] is not of declared type flt",e.getMessage()); }
     }
 
     @Test
diff --git a/chapter22/src/test/java/com/seaofnodes/simple/Chapter22Test.java b/chapter22/src/test/java/com/seaofnodes/simple/Chapter22Test.java
index b99a01a6..de9c35c7 100644
--- a/chapter22/src/test/java/com/seaofnodes/simple/Chapter22Test.java
+++ b/chapter22/src/test/java/com/seaofnodes/simple/Chapter22Test.java
@@ -33,7 +33,7 @@ public class Chapter22Test {
 
 
     @Test public void testJig1() throws IOException {
-        EvalRisc5 R5 = TestRisc5.build("riscv_load", 0, 0, true);
+        EvalRisc5 R5 = TestRisc5.build("riscv_load", 0, 0, false);
         int trap = R5.step(100);
         assertEquals(0,trap);
         // do assertEquals here
@@ -108,7 +108,7 @@ return cc.cz;
     @Test @Ignore
     public void testHelloWorld() throws IOException {
         String src = Files.readString(Path.of("src/test/java/com/seaofnodes/simple/progs/helloWorld.smp"));
-        TestC.run(src,TestC.CALL_CONVENTION,null,null,"build/objs/helloWorld","","Hello, World!",13);
+        TestC.run(src,TestC.CALL_CONVENTION,null,null,"build/objs/helloWorld","","Hello, World!",0);
     }
 
 
diff --git a/chapter22/src/test/java/com/seaofnodes/simple/progs/helloWorld.smp b/chapter22/src/test/java/com/seaofnodes/simple/progs/helloWorld.smp
index 16ef4bc6..b83a055c 100644
--- a/chapter22/src/test/java/com/seaofnodes/simple/progs/helloWorld.smp
+++ b/chapter22/src/test/java/com/seaofnodes/simple/progs/helloWorld.smp
@@ -1,2 +1,4 @@
 // -*- mode: java;  -*-
-return sys.libc.write(1,"Hello, World!",13);
+i64 buf = "Hello, World!";
+sys.libc.write(1,buf,13);
+return 0;