changeset 368:656630007668

Emit pass
author lost@starbug
date Thu, 15 Apr 2010 22:18:48 -0600
parents 34dfc9747f23
children 898a41f7eb59
files doc/internals.txt lwasm/Makefile.am lwasm/main.c lwasm/pass7.c
diffstat 4 files changed, 61 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/doc/internals.txt	Thu Apr 15 21:56:06 2010 -0600
+++ b/doc/internals.txt	Thu Apr 15 22:18:48 2010 -0600
@@ -50,3 +50,8 @@
 all expressions must resolve to a constant. For the object form, all
 expressions must resolve to symbol references and constants. Those symbol
 references may be internal or external.
+
+Pass 7
+------
+
+Emit object code for each line for later output.
--- a/lwasm/Makefile.am	Thu Apr 15 21:56:06 2010 -0600
+++ b/lwasm/Makefile.am	Thu Apr 15 22:18:48 2010 -0600
@@ -4,6 +4,6 @@
 	instab.c symbol.c macro.c pass2.c pass3.c pass4.c pass5.c pass6.c \
 	insn_inh.c insn_rtor.c insn_tfm.c insn_rlist.c insn_rel.c \
 	insn_bitbit.c insn_indexed.c insn_gen.c insn_logicmem.c \
-	pseudo.c section.c os9.c
+	pseudo.c section.c os9.c pass7.c
 lwasm_LDADD = -L$(top_builddir)/lib -L$(top_srcdir)/lib -L$(top_builddir)/lwlib -L$(top_srcdir)/lwlib -lgnu -llw
 EXTRA_DIST =  lwasm.h input.h instab.h
--- a/lwasm/main.c	Thu Apr 15 21:56:06 2010 -0600
+++ b/lwasm/main.c	Thu Apr 15 22:18:48 2010 -0600
@@ -170,6 +170,7 @@
 extern void do_pass4(asmstate_t *as);
 extern void do_pass5(asmstate_t *as);
 extern void do_pass6(asmstate_t *as);
+extern void do_pass7(asmstate_t *as);
 extern lw_expr_t lwasm_evaluate_special(int t, void *ptr, void *priv);
 extern lw_expr_t lwasm_evaluate_var(char *var, void *priv);
 extern lw_expr_t lwasm_parse_term(char **p, void *priv);
@@ -185,6 +186,7 @@
 	{ "resolve2", do_pass4 },
 	{ "addressresolve", do_pass5 },
 	{ "finalize", do_pass6 },
+	{ "emit", do_pass7 },
 	{ NULL, NULL }
 };
 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lwasm/pass7.c	Thu Apr 15 22:18:48 2010 -0600
@@ -0,0 +1,53 @@
+/*
+pass7.c
+
+Copyright © 2010 William Astle
+
+This file is part of LWTOOLS.
+
+LWTOOLS is free software: you can redistribute it and/or modify it under the
+terms of the GNU General Public License as published by the Free Software
+Foundation, either version 3 of the License, or (at your option) any later
+version.
+
+This program is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+more details.
+
+You should have received a copy of the GNU General Public License along with
+this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+
+#include <stdio.h>
+#include <string.h>
+
+#include <lw_alloc.h>
+#include <lw_string.h>
+
+#include "lwasm.h"
+#include "instab.h"
+
+/*
+emit pass
+
+Generate object code
+*/
+void do_pass7(asmstate_t *as)
+{
+	line_t *cl;
+
+	for (cl = as -> line_head; cl; cl = cl -> next)
+	{
+		as -> cl = cl;
+		if (cl -> insn != -1)
+		{
+			if (instab[cl -> insn].emit)
+			{
+				(instab[cl -> insn].emit)(as, cl);
+			}
+		}
+	}
+}