summaryrefslogtreecommitdiff
path: root/src/test/java/com/seaofnodes/simple/TestC.java
diff options
context:
space:
mode:
Diffstat (limited to 'src/test/java/com/seaofnodes/simple/TestC.java')
-rw-r--r--src/test/java/com/seaofnodes/simple/TestC.java268
1 files changed, 202 insertions, 66 deletions
diff --git a/src/test/java/com/seaofnodes/simple/TestC.java b/src/test/java/com/seaofnodes/simple/TestC.java
index 3b3aabc0..b08be824 100644
--- a/src/test/java/com/seaofnodes/simple/TestC.java
+++ b/src/test/java/com/seaofnodes/simple/TestC.java
@@ -5,6 +5,8 @@ import com.seaofnodes.simple.codegen.CodeGen;
import com.seaofnodes.simple.type.TypeInteger;
import com.seaofnodes.simple.util.Ary;
import com.seaofnodes.simple.util.Utils;
+
+import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
@@ -14,93 +16,171 @@ import static org.junit.Assert.*;
// Call a C driver program, which calls a Simple-generated .o, and self-checks.
// Expects GCC from the default CLI, compiles C, compiles Simple, links and runs.
public abstract class TestC {
+ public static final int TEST_TIMEOUT_SECONDS = 60;
public static final String OS = System.getProperty("os.name");
public static final String CPU = System.getProperty("os.arch");
- public static final String CALL_CONVENTION = OS.startsWith("Windows") ? "Win64" : "SystemV";
+ public static final String CALL_CONVENTION = OS.startsWith("Windows") ? "win64" : "SystemV";
public static final String CPU_PORT = switch( CPU ) {
case "amd64" -> "x86_64_v2";
default -> throw Utils.TODO("Map Yer CPU Port Here");
};
+ public static final String CPU_ABI = CPU_PORT+"_"+CALL_CONVENTION;
+ public static final String RELEASE_SYS_DIR = "build/release/"+CPU_ABI;
- public static void run( String file, int spills ) throws IOException { run(file,"",spills); }
-
- public static void run( String file, String expected, int spills ) throws IOException {
- run("src/test/java/com/seaofnodes/simple/progs",file,expected,spills);
+ public static String runtimeObject() {
+ String home = System.getenv("SIMPLE_HOME");
+ String root = home==null || home.isEmpty() ? "build/release" : home;
+ return Path.of(root,CPU_ABI,"simple_crt.o").toString();
}
- // Compile and run a simple program
- public static void run( String dir, String file, TypeInteger arg, String expected, int spills, boolean standalone) throws IOException {
- // Files
- String cfile = dir+"/"+file+".c" ;
- String sfile = dir+"/"+file+".smp";
- String efile = "build/objs/"+file;
+ public static final String C_DRIVERS_DIR = "src/test/java/com/seaofnodes/simple/progs/";
- // Compile and export Simple
- String src = Files.readString(Path.of(sfile));
- run(src,CALL_CONVENTION,arg, "",standalone? null: cfile,efile,"S",expected,spills);
+ /**
+ * Compile, link and run
+ * - WITH a C driver
+ * - using the default OS/CPU calling convention.
+ * - no lib sys
+ */
+ public static void runC( String src, String base, String expected, int spills) throws IOException {
+ String cfile = C_DRIVERS_DIR+base+".c";
+ run(src, base, null, CALL_CONVENTION, "", cfile, expected, spills);
}
- // link with c and also inline
- public static void run(String src, String file, TypeInteger arg, String expected, int spills) throws IOException {
- String dir = "src/test/java/com/seaofnodes/simple/progs";
- String cfile = dir+"/"+file+".c";
- String efile = "build/objs/"+file;
- run(src, CALL_CONVENTION, arg, "", cfile, efile, "S", expected, spills);
+ /**
+ * Compile, link and run
+ * - withOUT a C driver
+ * - using the default OS/CPU calling convention.
+ * - no lib sys
+ */
+ public static void runSF( String src, String base, String expected, int spills ) throws IOException {
+ run(src, base, null, CALL_CONVENTION, null,null, expected,spills);
}
- public static void run(String dir, String file, String expected, int spills ) throws IOException {
- run(dir, file,null, expected, spills, false);
+ /**
+ * Compile, link and run
+ * - withOUT a C driver
+ * - using the default OS/CPU calling convention.
+ * - WITH a test lib sys
+ */
+ public static void runSYS( String src, String base, String expected, int spills ) throws IOException {
+ Ary<String> externPaths = new Ary<>(new String[]{RELEASE_SYS_DIR});
+ run(src, base, externPaths, CALL_CONVENTION, null,null, expected,spills);
}
- // Do not link with c file - no inline.
- public static void runS(String file, String expected, int spills ) throws IOException {
- run("src/test/java/com/seaofnodes/simple/progs", file, null, expected, spills, true);
- }
+ /**
+ * Compile, link and run - general case
+ *
+ * @param src Program source to compile
+ * @param base Compiled binary final base name
+ * @param externPaths External symbol search path
+ * @param simple_conv Argument convention when calling Simple code
+ * @param c_conv Argument convention when calling C code, or null if not
+ * linking against a C driver program
+ * @param cfile Associated C program which will drive the Simple program,
+ * or null if not linking against a C driver program
+ * @param expected Expected stdout string
+ * @param spills Expected limit on spill code, used to validate the
+ * register allocation is reasonable
+ */
+ public static void run( String src, String base, Ary<String> externPaths, String simple_conv, String c_conv, String cfile, String expected, int spills ) throws IOException {
+ run(src, base, externPaths, simple_conv, c_conv, cfile, null, expected, spills);
+ }
- // Do not link with c file - just inline with source.
- public static void runSF(String name, String src, TypeInteger arg, String expected, int spills ) throws IOException {
- String efile = "build/objs/"+name;
- run(src,CALL_CONVENTION,arg, "",null,efile,"S",expected,spills);
+ public static void runArgs( String src, String base, Ary<String> externPaths, String simple_conv,
+ String expected, int spills, String... programArgs ) throws IOException {
+ run0(src,base,externPaths,simple_conv,null,null,null,expected,spills,programArgs);
}
- public static void runS(String file, TypeInteger arg, String expected, int spills ) throws IOException {
- run("src/test/java/com/seaofnodes/simple/progs", file, arg, expected, spills, true);
+ public static void run( String src, String base, Ary<String> externPaths, String simple_conv, String c_conv, String cfile, String stdin, String expected, int spills ) throws IOException {
+ run0(src,base,externPaths,simple_conv,c_conv,cfile,stdin,expected,spills,new String[0]);
}
+ private static void run0( String src, String base, Ary<String> externPaths, String simple_conv, String c_conv,
+ String cfile, String stdin, String expected, int spills, String[] programArgs ) throws IOException {
+ String exe = compile(src,base,externPaths,simple_conv,c_conv,cfile,spills);
- public static void run( String src, String simple_conv, TypeInteger arg, String c_conv, String cfile, String efile, String xtn, String expected, int spills ) throws IOException {
- String bin = efile+xtn;
- String obj = bin+".o";
- String exe = OS.startsWith("Windows") ? bin+".exe" : bin;
+ String[] execArgs = new String[programArgs.length+1];
+ execArgs[0] = exe;
+ System.arraycopy(programArgs,0,execArgs,1,programArgs.length);
+ String result = execStdin(stdin, 0, execArgs );
+ assertEquals(expected,result);
+ }
+
+ public static String compile( String src, String base, Ary<String> externPaths, String simple_conv, String c_conv,
+ String cfile, int spills ) throws IOException {
+ // Simple file base-name example:
+ // foo.smp ->
+ // build/objs/foo.o - object file
+ // build/objs/foo.exe - linked executable Windows
+ // build/objs/foo - linked executable Linux
+ String pathBase = "build/objs/"+base;
+ String obj = pathBase+".o";
+ String exe = pathBase+(OS.startsWith("Windows") ? ".exe" : "");
// Compile simple, emit ELF
- CodeGen code = new CheckedCodeGen(src, arg).driver( CPU_PORT, simple_conv, obj);
- SpillStats.recordNative(code,CPU_PORT,simple_conv);
+ CodeGen code = new CheckedCodeGen(null,"build/objs",externPaths,base,src,126L,true,TypeInteger.BOT);
+ code.driver( CPU_PORT, simple_conv, false, cfile==null );
- String result = gcc(obj, c_conv, cfile, false, exe );
- assertEquals(expected,result);
+ linkExe(obj, c_conv, cfile, linkObjs(externPaths), exe);
// Allocation quality not degraded
SpillStats.checkSpills(spills,code._regAlloc._spillScaled);
+ return exe;
}
+ // Link with gcc, and execute the resulting binary, returning stdout as a
+ // String. Any errors *assert* instead of returning some error code; this
+ // utility is meant to execute inside a JUnit test which will catch the
+ // assert and flag the test as failed.
+ public static String gcc( String main, double ignore, String... objs ) throws IOException {
+ String BLDDIR = "build/objs/test0/";
+ String exe = BLDDIR+main+(OS.startsWith("Windows") ? ".exe" : "");
+ linkExe(objs[0],null,null,null,exe);
+ // Module tests intentionally use the program exit code as their result.
+ ExecResult result = execute(null,0,exe);
+ return result.exit==0 ? result.out : "exec exit code: "+result.exit;
+ }
+
+ // Link with gcc, and execute the resulting binary, returning stdout as a
+ // String. Any errors *assert* instead of returning some error code; this
+ // utility is meant to execute inside a JUnit test which will catch the
+ // assert and flag the test as failed.
public static String gcc( String obj, String c_conv, String cfile, boolean stdin, String... args ) throws IOException {
+ return gcc(obj,c_conv,cfile,stdin ? "" : null,null,args);
+ }
+
+ public static String gcc( String obj, String c_conv, String cfile, String stdin, String... args ) throws IOException {
+ return gcc(obj,c_conv,cfile,stdin,null,args);
+ }
+
+ public static String gcc( String obj, String c_conv, String cfile, String stdin, Ary<String> linkObjs, String... args ) throws IOException {
+ linkExe(obj,c_conv,cfile,linkObjs,args[0]);
+ return execStdin(stdin,0,args);
+ }
+ public static void linkExe( String obj, String c_conv, String cfile, Ary<String> linkObjs, String exe ) throws IOException {
// Compile the C program. Compiling code and constants in the low
// 2Gig. Pointers are 64b BUT since always in the low 2G all the
// high bits are zero - and Simple code can be emitted treating
// pointers as 4bytes.
var params = new Ary<>(String.class);
params.add("gcc");
+ params.add(OS.startsWith("Windows") ? "-Wl,--image-base,0x400000" : "-no-pie");
if( cfile!=null ) params.add(cfile); // Associated C driver, usually has a `main`
+ params.add(obj);
+ // Standalone Simple programs export `simple_main`; the small C
+ // runtime owns the native main symbol and converts argc/argv into a
+ // normal Simple array before making the ABI-qualified call.
+ if( cfile==null ) params.add(runtimeObject());
+ if( linkObjs != null )
+ params.addAll(linkObjs.asAry());
params.addAll(new String[] {
- obj,
- "-lm", // Picks up 'sqrt' for newtonFloat tests to compare
- "-g",
- "-o",
- args[0],
+ "-lm", // Picks up 'sqrt' for newtonFloat tests to compare
+ "-g",
+ "-o",
+ exe,
});
// Calling convention for C calls, if any
if( cfile!=null ) {
@@ -109,29 +189,85 @@ public abstract class TestC {
}
// Run GCC to link (optionally compile C driver code)
- Process gcc = new ProcessBuilder(params.asAry()).redirectErrorStream(true).start();
- int exit;
- try {
- boolean normal = gcc.waitFor(2, TimeUnit.SECONDS);
- exit = normal ? gcc.exitValue() : -1; // no exit???
- } catch( InterruptedException e ) {
- throw new IOException("interrupted");
- }
- String result = new String(gcc.getInputStream().readAllBytes());
- if( exit!=0 ) {
- System.err.println("gcc error code: "+exit);
- System.err.println(result);
- }
- assertEquals( 0, exit );
- //assertTrue(result.isEmpty()); // No data in error stream
+ exec(TEST_TIMEOUT_SECONDS,params.asAry());
+ }
+
+ public static String exec( String... args ) throws IOException {
+ return execStdin(null,0,args);
+ }
+
+ // Tests can bound execution without imposing a deadline on the CLI driver.
+ public static String exec( int seconds, String... args ) throws IOException {
+ return execStdin(null,seconds,args);
+ }
+ private static String execStdin( String stdin, int seconds, String... args ) throws IOException {
+ ExecResult result = execute(stdin,seconds,args);
+ if( result.exit!=0 )
+ throw new IOException(String.join(" ",args)+"\nexec exit code: "+result.exit+
+ "\nstdout:\n"+result.out+"\nstderr:\n"+result.err);
+ return result.out;
+ }
+
+ private record ExecResult(int exit, String out, String err) {}
+
+ private static ExecResult execute( String stdin, int seconds, String... args ) throws IOException {
// Execute results
ProcessBuilder smp = new ProcessBuilder(args);
- if( stdin ) smp.redirectInput(ProcessBuilder.Redirect.INHERIT);
- Process p = smp.start();
- try { exit = p.waitFor(); } catch( InterruptedException e ) { throw new IOException("interrupted"); }
- result = new String(p.getInputStream().readAllBytes());
- assertEquals("Program exit status",0,exit);
- return result;
+ Path stdinFile = null;
+ Path stdoutFile = Files.createTempFile("simple-stdout",".txt");
+ Path stderrFile = Files.createTempFile("simple-stderr",".txt");
+ Process p = null;
+ try {
+ smp.redirectOutput(stdoutFile.toFile());
+ smp.redirectError(stderrFile.toFile());
+ if( stdin!=null && stdin.isEmpty() ) smp.redirectInput(ProcessBuilder.Redirect.INHERIT);
+ else if( stdin!=null ) {
+ stdinFile = Files.createTempFile("simple-stdin",".txt");
+ Files.writeString(stdinFile,stdin);
+ smp.redirectInput(stdinFile.toFile());
+ }
+ p = smp.start();
+ if( stdin==null )
+ p.getOutputStream().close();
+ if( seconds>0 && !p.waitFor(seconds,TimeUnit.SECONDS) ) {
+ String process = "pid="+p.pid()+", cpu="+
+ p.info().totalCpuDuration().map(Object::toString).orElse("unknown");
+ p.destroyForcibly();
+ boolean stopped = p.waitFor(5,TimeUnit.SECONDS);
+ throw new IOException(String.join(" ",args)+"\ntimed out after "+seconds+" seconds ("+process+")"+
+ (stopped ? "" : "; process did not terminate")+
+ "\nstdout:\n"+Files.readString(stdoutFile)+
+ "\nstderr:\n"+Files.readString(stderrFile));
+ }
+ // Windows statuses have 32 bits; narrowing can turn a failure into 0.
+ int exit = seconds>0 ? p.exitValue() : p.waitFor();
+ return new ExecResult(exit,Files.readString(stdoutFile),Files.readString(stderrFile));
+ } catch( InterruptedException e ) {
+ if( p!=null ) p.destroyForcibly();
+ Thread.currentThread().interrupt();
+ throw new IOException("interrupted",e);
+ } finally {
+ if( stdinFile!=null ) Files.deleteIfExists(stdinFile);
+ Files.deleteIfExists(stdoutFile);
+ Files.deleteIfExists(stderrFile);
+ }
+ }
+
+ static Ary<String> linkObjs(Ary<String> externPaths) {
+ if( externPaths == null )
+ return null;
+ Ary<String> objs = new Ary<>(String.class);
+ for( String path : externPaths ) {
+ File file = new File(path);
+ if( file.isFile() && file.getName().endsWith(".o") )
+ objs.add(file.toString());
+ else if( file.isDirectory() ) {
+ File sys = new File(file,"sys.o");
+ if( sys.isFile() )
+ objs.add(sys.toString());
+ }
+ }
+ return objs.isEmpty() ? null : objs;
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2026-10-15 09:09:20 +0000