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/*
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* Copyright (c) 2002-2005 The TenDRA Project <http://www.tendra.org/>.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of The TenDRA Project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific, prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS
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* IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id$
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*/
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/*
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Crown Copyright (c) 1997
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This TenDRA(r) Computer Program is subject to Copyright
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owned by the United Kingdom Secretary of State for Defence
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acting through the Defence Evaluation and Research Agency
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(DERA). It is made available to Recipients with a
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royalty-free licence for its use, reproduction, transfer
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to other parties and amendment for any purpose not excluding
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product development provided that any such use et cetera
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shall be deemed to be acceptance of the following conditions:-
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(1) Its Recipients shall ensure that this Notice is
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reproduced upon any copies or amended versions of it;
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(2) Any amended version of it shall be clearly marked to
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show both the nature of and the organisation responsible
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for the relevant amendment or amendments;
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(3) Its onward transfer from a recipient to another
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party shall be deemed to be that party's acceptance of
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these conditions;
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(4) DERA gives no warranty or assurance as to its
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quality or suitability for any purpose and DERA accepts
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no liability whatsoever in relation to any use to which
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it may be put.
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*/
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/**********************************************************************
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$Author: release $
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$Date: 1998/02/04 10:43:37 $
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$Revision: 1.2 $
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$Log: dwarf_info.c,v $
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* Revision 1.2 1998/02/04 10:43:37 release
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* Changes during testing.
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*
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* Revision 1.1.1.1 1998/01/17 15:55:47 release
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* First version to be checked into rolling release.
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*
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* Revision 1.4 1997/06/02 08:28:44 pwe
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* correction re NEWDIAGS
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*
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* Revision 1.3 1997/02/19 12:53:41 pwe
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* NEWDIAGS for debugging optimised code
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*
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* Revision 1.2 1995/09/28 12:39:37 pwe
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* dwarf.h via import, and type changes for tcc checks
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*
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* Revision 1.1.1.1 1995/08/14 14:30:21 pwe
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* transferred from DJCH
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*
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**********************************************************************/
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/* LOG 4 July 1994 added dwarf_types.h to unify with sparc version */
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/* LOG 6/9/93 changes for sparc/ICL port of SVR4.2 djch
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comment char is not #... introduced COMMENT_2 macros */
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/* LOG 25/11/93 removed redundant expr_buf djch */
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#include "config.h"
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#include "common_types.h"
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#include "readglob.h"
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#include "table_fns.h"
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#include "basicread.h"
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#include "sortmacs.h"
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/* machine dep headers */
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#include "out.h"
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#include "expmacs.h"
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#include "tags.h"
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#include "main_reads.h"
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#include "check.h"
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#include "main_reads.h"
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#include "dwarf_types.h"
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#include "dwarf_type.h"
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#include "dwarf_out.h"
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#include "diag_fns.h"
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#include "dwarf_loc.h"
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#include "dwarf_queue.h"
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#include "dwarf_mc.h"
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#include "mark_scope.h"
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#include "cross_config.h"
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#ifdef NEWDIAGS
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#include "tags.h"
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#endif
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#ifndef CROSS_INCLUDE
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#include <dwarf.h>
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#else
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#include CROSS_INCLUDE/dwarf.h>
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#endif
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int continue_decs;
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static long lex_blk_stk_ptr = -1;
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static dwarf_label lex_blk_stk[100];
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7u83 |
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#define PUSH_LEX_BLK (&lex_blk_stk[++lex_blk_stk_ptr])
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#define POP_LEX_BLK (&lex_blk_stk[lex_blk_stk_ptr--])
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#define TOS_LEX_BLK (&lex_blk_stk[lex_blk_stk_ptr])
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#define CHK_LEX_STK if (lex_blk_stk_ptr < -1) { \
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failer("lex stk underflow") \
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}
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7u83 |
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7u83 |
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static void
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out_dwarf_start_scope(dwarf_label *l)
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7u83 |
144 |
{
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7u83 |
145 |
char expr_buf[100];
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7u83 |
146 |
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7u83 |
147 |
if (lex_blk_stk_ptr == -1) {
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return;
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}
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7u83 |
150 |
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7u83 |
151 |
sprintf(expr_buf, "%s - %s", LAB2CHAR(l->beg),
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LAB2CHAR(TOS_LEX_BLK->beg));
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OUT_DWARF_ATTR(AT_start_scope);
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dwarf4(expr_buf);
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7u83 |
155 |
}
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156 |
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7u83 |
157 |
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7u83 |
158 |
#ifdef NEWDIAGS
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159 |
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7u83 |
160 |
static void
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comment_end_scope(diag_info *d)
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{
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7u83 |
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char expr_buf[100];
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sprintf(expr_buf, COMMENT_2("\t", "\tEND diag_info key %d"), d->key);
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outs(expr_buf);
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outs("\n"); /* avoid 80x86 outnl which has side effect */
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}
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7u83 |
169 |
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void
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code_diag_info(diag_info *d, int proc_no, void(*mcode)(void *), void *args)
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{
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if (d == nildiag) {
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(*mcode)(args);
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return;
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}
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switch (d->key) {
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case DIAG_INFO_SCOPE:
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next_dwarf_lab(PUSH_LEX_BLK);
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OUT_DWARF_BEG(TOS_LEX_BLK);
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cont_sib_chain(TAG_lexical_block);
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OUT_DWARF_ATTR(AT_low_pc);
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dwarf4(LAB2CHAR(TOS_LEX_BLK->beg));
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OUT_DWARF_ATTR(AT_high_pc);
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dwarf4(LAB2CHAR(TOS_LEX_BLK->end));
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leave_dwarf_blk();
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make_next_new_chain();
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code_diag_info(d->more, proc_no, mcode, args);
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OUT_DWARF_END(POP_LEX_BLK);
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CHK_LEX_STK;
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end_sib_chain();
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return;
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case DIAG_INFO_SOURCE:
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out_dwarf_sourcemark(&(d->data.source.beg));
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code_diag_info(d->more, proc_no, mcode, args);
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comment_end_scope(d);
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return;
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case DIAG_INFO_ID: {
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exp x = d->data.id_scope.access;
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dwarf_label tlab;
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next_dwarf_lab(&tlab);
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OUT_DWARF_BEG(&tlab); /* always needed for start_scope */
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while (1) {
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if (name(x) != hold_tag) {
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failer("access should be in hold");
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break;
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207 |
}
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208 |
x = son(x);
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209 |
if (name(x) == cont_tag && name(son(x)) == name_tag &&
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210 |
isvar(son(son(x)))) {
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211 |
x = son(x);
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212 |
}
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213 |
if ((name(x) != name_tag || isdiscarded(x)) &&
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name(x) != val_tag && name(x) != null_tag) {
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215 |
break; /* should do better ! */
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216 |
}
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7u83 |
217 |
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7u83 |
218 |
if ((base_type(d->data.id_scope.typ))->key ==
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219 |
DIAG_TYPE_INITED) {
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fprintf(stderr, "ERROR: %s has no diagtype... omitting\n",
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TDFSTRING2CHAR(d->data.id_scope.nme));
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222 |
break;
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223 |
}
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224 |
if (name(x) == name_tag && isglob(son(x))) {
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225 |
if (brog(son(x)) ->dec_u.dec_val.extnamed) {
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226 |
break;
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227 |
} else {
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228 |
/* static; goes out as local */
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229 |
cont_sib_chain(TAG_local_variable);
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230 |
/* only for local vars */
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231 |
out_dwarf_start_scope(&tlab);
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232 |
}
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233 |
} else if (name(x) == name_tag && isparam(son(x))) {
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234 |
cont_sib_chain(TAG_formal_parameter);
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235 |
} else {
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cont_sib_chain(TAG_local_variable);
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237 |
/* only for local vars */
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238 |
out_dwarf_start_scope(&tlab);
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239 |
}
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240 |
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241 |
out_dwarf_name_attr(TDFSTRING2CHAR(d->data.id_scope.nme));
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242 |
out_dwarf_type_attr(d->data.id_scope.typ);
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243 |
if (!out_dwarf_loc_attr(x, proc_no)) {
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244 |
fprintf(stderr, "Unable to generate location info for variable '%s'\n",
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245 |
TDFSTRING2CHAR(d->data.id_scope.nme));
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246 |
}
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247 |
leave_dwarf_blk();
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248 |
dump_type_q();
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249 |
break;
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250 |
}
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251 |
code_diag_info(d->more, proc_no, mcode, args);
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252 |
comment_end_scope(d);
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253 |
return;
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7u83 |
254 |
}
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| 7 |
7u83 |
255 |
case DIAG_INFO_TYPE: {
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256 |
dwarf_label tlab;
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257 |
next_dwarf_lab(&tlab);
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258 |
OUT_DWARF_BEG(&tlab); /* always needed for start_scope */
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259 |
cont_sib_chain(TAG_typedef);
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260 |
out_dwarf_start_scope(&tlab);
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|
261 |
out_dwarf_name_attr(TDFSTRING2CHAR(d->data.type_scope.nme));
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262 |
out_dwarf_type_attr(d->data.type_scope.typ);
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|
263 |
leave_dwarf_blk();
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|
264 |
code_diag_info(d->more, proc_no, mcode, args);
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|
265 |
comment_end_scope(d);
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|
266 |
return;
|
| 2 |
7u83 |
267 |
}
|
| 7 |
7u83 |
268 |
failer("Illegal key in output_diag");
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|
269 |
fprintf(stderr, "key was %d\n", d->key);
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|
270 |
code_diag_info(d->more, proc_no, mcode, args);
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271 |
}
|
| 2 |
7u83 |
272 |
}
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273 |
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274 |
#else
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|
275 |
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| 7 |
7u83 |
276 |
void
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|
277 |
output_diag(diag_info *d, int proc_no, exp e)
|
| 2 |
7u83 |
278 |
{
|
| 7 |
7u83 |
279 |
if (d->key == DIAG_INFO_SOURCE) {
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|
|
280 |
out_dwarf_sourcemark(&(d->data.source.beg));
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|
281 |
return;
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|
|
282 |
}
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|
|
283 |
{
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|
|
284 |
dwarf_label tlab;
|
| 2 |
7u83 |
285 |
|
| 7 |
7u83 |
286 |
mark_scope(e);
|
| 2 |
7u83 |
287 |
|
| 7 |
7u83 |
288 |
if (props(e) & 0x80) {
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|
|
289 |
next_dwarf_lab(PUSH_LEX_BLK);
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|
|
290 |
OUT_DWARF_BEG(TOS_LEX_BLK);
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|
|
291 |
cont_sib_chain(TAG_lexical_block);
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|
|
292 |
OUT_DWARF_ATTR(AT_low_pc);
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|
|
293 |
dwarf4(LAB2CHAR(TOS_LEX_BLK->beg));
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|
|
294 |
OUT_DWARF_ATTR(AT_high_pc);
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|
|
295 |
dwarf4(LAB2CHAR(TOS_LEX_BLK->end));
|
|
|
296 |
leave_dwarf_blk();
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|
|
297 |
make_next_new_chain();
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|
|
298 |
};
|
| 2 |
7u83 |
299 |
|
| 7 |
7u83 |
300 |
next_dwarf_lab(&tlab);
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|
|
301 |
OUT_DWARF_BEG(&tlab); /* always needed for start_scope */
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|
|
302 |
switch (d->key)
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|
|
303 |
{
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|
|
304 |
case DIAG_INFO_ID: {
|
|
|
305 |
exp x = d->data.id_scope.access;
|
| 2 |
7u83 |
306 |
|
| 7 |
7u83 |
307 |
if (name(x) != name_tag) {
|
|
|
308 |
failer("diagnosing non-identifier");
|
|
|
309 |
return;
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|
|
310 |
}
|
| 2 |
7u83 |
311 |
|
| 7 |
7u83 |
312 |
if ((base_type(d->data.id_scope.typ))->key ==
|
|
|
313 |
DIAG_TYPE_INITED) {
|
|
|
314 |
fprintf(stderr, "ERROR: %s %s has no diagtype... omitting\n",
|
|
|
315 |
isparam(son(x)) ? "Formal parameter" :
|
|
|
316 |
"Local variable",
|
|
|
317 |
TDFSTRING2CHAR(d->data.id_scope.nme));
|
|
|
318 |
break;
|
|
|
319 |
}
|
|
|
320 |
if (isglob(son(x))) {
|
|
|
321 |
if (brog(son(x)) ->dec_u.dec_val.extnamed) {
|
|
|
322 |
break;
|
|
|
323 |
} else {
|
|
|
324 |
/* static; goes out as local */
|
|
|
325 |
cont_sib_chain(TAG_local_variable);
|
|
|
326 |
/* only for local vars */
|
|
|
327 |
out_dwarf_start_scope(&tlab);
|
|
|
328 |
}
|
|
|
329 |
} else if (isparam(son(x))) {
|
|
|
330 |
cont_sib_chain(TAG_formal_parameter);
|
|
|
331 |
} else {
|
|
|
332 |
cont_sib_chain(TAG_local_variable);
|
|
|
333 |
/* only for local vars */
|
|
|
334 |
out_dwarf_start_scope(&tlab);
|
|
|
335 |
}
|
|
|
336 |
|
|
|
337 |
out_dwarf_name_attr(TDFSTRING2CHAR(d->data.id_scope.nme));
|
|
|
338 |
out_dwarf_type_attr(d->data.id_scope.typ);
|
|
|
339 |
if (!out_dwarf_loc_attr(x, proc_no)) {
|
|
|
340 |
fprintf(stderr, "Unable to generate location info for variable '%s'\n",
|
|
|
341 |
TDFSTRING2CHAR(d->data.id_scope.nme));
|
|
|
342 |
}
|
|
|
343 |
leave_dwarf_blk();
|
|
|
344 |
dump_type_q();
|
|
|
345 |
}
|
|
|
346 |
break;
|
|
|
347 |
case DIAG_INFO_TYPE:
|
|
|
348 |
cont_sib_chain(TAG_typedef);
|
|
|
349 |
out_dwarf_start_scope(&tlab);
|
|
|
350 |
out_dwarf_name_attr(TDFSTRING2CHAR(d->data.type_scope.nme));
|
|
|
351 |
out_dwarf_type_attr(d->data.type_scope.typ);
|
|
|
352 |
leave_dwarf_blk();
|
|
|
353 |
break;
|
|
|
354 |
case DIAG_INFO_TAG:
|
|
|
355 |
fprintf(stderr, "diag_info_tag named %s\n",
|
|
|
356 |
TDFSTRING2CHAR(d->data.tag_scope.nme));
|
|
|
357 |
if (!strcmp(TDFSTRING2CHAR(d->data.tag_scope.nme),
|
|
|
358 |
TDFSTRING2CHAR(d->data.tag_scope.typ->data.t_struct.nme)))
|
|
|
359 |
{
|
|
|
360 |
fprintf(stderr, "diag type gives name as %s\n",
|
|
|
361 |
TDFSTRING2CHAR(d->data.tag_scope.typ->data.t_struct.nme));
|
|
|
362 |
failer("different names in output_diag");
|
|
|
363 |
}
|
|
|
364 |
out_dwarf_user_type(d->data.tag_scope.typ);
|
|
|
365 |
break;
|
|
|
366 |
default:
|
|
|
367 |
failer("Illegal key in output_diag");
|
|
|
368 |
fprintf(stderr, "key was %d\n", d->key);
|
|
|
369 |
}
|
| 2 |
7u83 |
370 |
}
|
|
|
371 |
}
|
|
|
372 |
|
| 7 |
7u83 |
373 |
|
|
|
374 |
void
|
|
|
375 |
output_end_scope(diag_info *d, exp e)
|
| 2 |
7u83 |
376 |
{
|
| 7 |
7u83 |
377 |
char expr_buf[100];
|
| 2 |
7u83 |
378 |
|
| 7 |
7u83 |
379 |
sprintf(expr_buf, COMMENT_2("\t", "\tEND diag_info key %d"), d->key);
|
|
|
380 |
outs(expr_buf);
|
|
|
381 |
outnl();
|
| 2 |
7u83 |
382 |
|
| 7 |
7u83 |
383 |
if (d->key != DIAG_INFO_SOURCE && props(e) & 0x80) {
|
|
|
384 |
OUT_DWARF_END(POP_LEX_BLK);
|
|
|
385 |
CHK_LEX_STK;
|
|
|
386 |
end_sib_chain();
|
|
|
387 |
}
|
| 2 |
7u83 |
388 |
}
|
|
|
389 |
|
|
|
390 |
#endif
|