From 19d94f3391e3ac5ffc26df27ac5e7a0609c042a7 Mon Sep 17 00:00:00 2001
From: "brendan%mozilla.org" <brendan%mozilla.org>
Date: Tue, 16 Nov 1999 02:15:22 +0000
Subject: [PATCH] Fix exception bytecodes to use script->main (18926,
 r=jband@netscape.com).

---
 js/src/js.c       | 12 +++++++-----
 js/src/jsinterp.c | 13 +++++++------
 js/src/jsopcode.c |  4 +++-
 3 files changed, 17 insertions(+), 12 deletions(-)

diff --git a/js/src/js.c b/js/src/js.c
index 70b0c80ca8c4..bdd8710231de 100644
--- a/js/src/js.c
+++ b/js/src/js.c
@@ -772,7 +772,7 @@ LineToPC(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
     pc = JS_LineNumberToPC(cx, script, lineno);
     if (!pc)
 	return JS_FALSE;
-    *rval = INT_TO_JSVAL(pc - script->code);
+    *rval = INT_TO_JSVAL(PTRDIFF(pc, script->code, jsbytecode));
     return JS_TRUE;
 }
 
@@ -811,7 +811,8 @@ SrcNotes(JSContext *cx, JSScript *script)
 	    delta = SN_DELTA(sn);
 	    offset += delta;
 	    fprintf(gOutFile, "%3u: %5u [%4u] %-8s",
-		   sn - notes, offset, delta, js_SrcNoteName[SN_TYPE(sn)]);
+                    PTRDIFF(sn, notes, jssrcnote), offset, delta,
+                    js_SrcNoteName[SN_TYPE(sn)]);
 	    type = SN_TYPE(sn);
 	    switch (type) {
 	      case SRC_SETLINE:
@@ -988,8 +989,9 @@ DisassWithSrc(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval
 		}
 	    }
 
-	    len = js_Disassemble1(cx, script, pc, pc - script->code,
-				  JS_TRUE, stdout);
+	    len = js_Disassemble1(cx, script, pc,
+                                  PTRDIFF(pc, script->code, jsbytecode),
+                                  JS_TRUE, stdout);
 	    if (!len)
 		return JS_FALSE;
 	    pc += len;
@@ -1670,7 +1672,7 @@ my_ErrorReporter(JSContext *cx, const char *message, JSErrorReport *report)
             report->linebuf,
             (n > 0 && report->linebuf[n-1] == '\n') ? "" : "\n",
             prefix);
-    n = report->tokenptr - report->linebuf;
+    n = PTRDIFF(report->tokenptr, report->linebuf, char);
     for (i = j = 0; i < n; i++) {
 	if (report->linebuf[i] == '\t') {
             for (k = (j + 8) & ~7; j < k; j++) {
diff --git a/js/src/jsinterp.c b/js/src/jsinterp.c
index 42a4f2f9e0f0..dedd59e5b773 100644
--- a/js/src/jsinterp.c
+++ b/js/src/jsinterp.c
@@ -1106,8 +1106,9 @@ js_Interpret(JSContext *cx, jsval *result)
 	    intN nuses, n;
 
 	    fprintf(tracefp, "%4u: ", js_PCToLineNumber(script, pc));
-	    js_Disassemble1(cx, script, pc, pc - script->code, JS_FALSE,
-			    tracefp);
+	    js_Disassemble1(cx, script, pc,
+                            PTRDIFF(pc, script->code, jsbytecode), JS_FALSE,
+                            tracefp);
 	    nuses = cs->nuses;
 	    if (nuses) {
 		fp->sp = sp - nuses;
@@ -2853,7 +2854,7 @@ js_Interpret(JSContext *cx, jsval *result)
 	  case JSOP_GOSUB:
 	    len = GET_JUMP_OFFSET(pc);
 	    JS_ASSERT(js_CodeSpec[JSOP_GOSUB].length == 3);
-	    i = pc - script->code + 3;
+	    i = PTRDIFF(pc, script->main, jsbytecode) + 3;
 	    PUSH(INT_TO_JSVAL(i));
 	    break;
 
@@ -2861,7 +2862,7 @@ js_Interpret(JSContext *cx, jsval *result)
 	    rval = POP();
 	    JS_ASSERT(JSVAL_IS_INT(rval));
 	    i = JSVAL_TO_INT(rval);
-	    pc = script->code + i;
+	    pc = script->main + i;
 	    len = 0;
 	    break;
 
@@ -3008,11 +3009,11 @@ out:
          */
         tn = script->trynotes;
         if (tn) {
-            offset = PTRDIFF(pc, script->code, jsbytecode);
+            offset = PTRDIFF(pc, script->main, jsbytecode);
             while (JS_UPTRDIFF(offset, tn->start) >= (jsuword)tn->length)
                 tn++;
             if (tn->catchStart) {
-                pc = script->code + tn->catchStart;
+                pc = script->main + tn->catchStart;
                 len = 0;
                 cx->throwing = JS_FALSE; /* caught */
                 ok = JS_TRUE;
diff --git a/js/src/jsopcode.c b/js/src/jsopcode.c
index 57d57b96fc86..3f244b74c22c 100644
--- a/js/src/jsopcode.c
+++ b/js/src/jsopcode.c
@@ -114,7 +114,9 @@ js_Disassemble(JSContext *cx, JSScript *script, JSBool lines, FILE *fp)
     while (pc < end) {
 	if (pc == script->main)
 	    fputs("main:\n", fp);
-	len = js_Disassemble1(cx, script, pc, pc - script->code, lines, fp);
+	len = js_Disassemble1(cx, script, pc,
+                              PTRDIFF(pc, script->code, jsbytecode),
+                              lines, fp);
 	if (!len)
 	    return;
 	pc += len;