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view lwasm/pass7.c @ 542:f3018ed5e30e
Fix listing to not rely on undefined memory before the start of instab
This is exactly the same bug that affected symbol value registration and was fixed
in changeset 65c2085e0398. This time, fix it when creating listings.
author | William Astle <lost@l-w.ca> |
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date | Wed, 17 Aug 2022 17:06:30 -0600 |
parents | 71f507f404f1 |
children |
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/* 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 <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); } if (CURPRAGMA(cl, PRAGMA_TESTMODE)) { char* buf; int len; lwasm_testflags_t flags; lwasm_errorcode_t err; lwasm_parse_testmode_comment(cl, &flags, &err, &len, &buf); if (flags == TF_ERROR && cl -> err_testmode == 0) { char s[128]; sprintf(s, "expected %d but assembled OK", err); lwasm_error_testmode(cl, s, 0); } if (flags == TF_EMIT) { if (cl -> len != len) lwasm_error_testmode(cl, "incorrect assembly (wrong length)", 0); if (memcmp(buf, cl -> output, len) != 0) lwasm_error_testmode(cl, "incorrect assembly", 0); lw_free(buf); } } } } }