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/*
* Copyright (c) 2002-2005 The TenDRA Project <http://www.tendra.org/>.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of The TenDRA Project nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific, prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS
* IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id$
*/
/*
Crown Copyright (c) 1997
This TenDRA(r) Computer Program is subject to Copyright
owned by the United Kingdom Secretary of State for Defence
acting through the Defence Evaluation and Research Agency
(DERA). It is made available to Recipients with a
royalty-free licence for its use, reproduction, transfer
to other parties and amendment for any purpose not excluding
product development provided that any such use et cetera
shall be deemed to be acceptance of the following conditions:-
(1) Its Recipients shall ensure that this Notice is
reproduced upon any copies or amended versions of it;
(2) Any amended version of it shall be clearly marked to
show both the nature of and the organisation responsible
for the relevant amendment or amendments;
(3) Its onward transfer from a recipient to another
party shall be deemed to be that party's acceptance of
these conditions;
(4) DERA gives no warranty or assurance as to its
quality or suitability for any purpose and DERA accepts
no liability whatsoever in relation to any use to which
it may be put.
*/
/* 80x86/trans.c */
/**********************************************************************
$Author: pwe $
$Date: 1998/03/11 11:03:06 $
$Revision: 1.4 $
$Log: trans.c,v $
* Revision 1.4 1998/03/11 11:03:06 pwe
* DWARF optimisation info
*
* Revision 1.3 1998/02/06 17:04:21 release
* Last minute pre-release polishing.
*
* Revision 1.2 1998/01/21 10:30:01 pwe
* labdiff change
*
* Revision 1.1.1.1 1998/01/17 15:55:52 release
* First version to be checked into rolling release.
*
* Revision 1.14 1997/12/05 10:32:38 pwe
* system identification
*
* Revision 1.13 1997/10/23 09:37:15 pwe
* extra_diags
*
* Revision 1.12 1997/10/10 18:25:33 pwe
* prep ANDF-DE revision
*
* Revision 1.11 1997/08/23 13:45:46 pwe
* initial ANDF-DE
*
* Revision 1.10 1997/06/02 08:36:00 pwe
* diags visibility
*
* Revision 1.9 1997/03/24 11:15:36 pwe
* dwarf2 option/default
*
* Revision 1.8 1997/03/20 16:24:10 pwe
* dwarf2
*
* Revision 1.7 1996/12/13 14:39:36 pwe
* prep NEWDIAGS
*
* Revision 1.6 1996/02/16 10:10:44 pwe
* Linux/ELF struct result and PIC jump table
*
* Revision 1.5 1996/02/08 13:45:15 pwe
* Linux elf v aout option
*
* Revision 1.4 1995/03/16 09:13:35 pwe
* sco_gas now install time option
*
* Revision 1.3 1995/02/17 13:21:17 pwe
* rationalise compilation info
*
* Revision 1.2 1995/01/30 12:56:56 pwe
* Ownership -> PWE, tidy banners
*
* Revision 1.1 1994/10/27 14:15:22 jmf
* Initial revision
*
* Revision 1.2 1994/07/13 07:39:57 jmf
* Remove prefix initialising, do it in machine.c
*
* Revision 1.1 1994/07/12 14:42:47 jmf
* Initial revision
*
**********************************************************************/
#include "config.h"
#include "release.h"
#include "common_types.h"
#include "basicread.h"
#include "flags.h"
#include "out.h"
#include "main_reads.h"
#include "flpt.h"
#include "externs.h"
#include "weights.h"
#include "installglob.h"
#include "instr.h"
#include "machine.h"
#include "exp.h"
#include "expmacs.h"
#include "instr386.h"
#include "localflags.h"
#include "messages_8.h"
#include "diag_fns.h"
#include "readglob.h"
#include "assembler.h"
#include "target_v.h"
#include "system_v.h"
#include "reader_v.h"
#include "construct_v.h"
#include "operand.h"
#ifdef NEWDIAGS
#include "diag_v.h"
#include "dg_version.h"
#endif
#ifdef NEWDWARF
#include "dw2_iface.h"
#include "dw2_vsn.h"
#include "dw2_abbrev.h"
#include "dw2_common.h"
static bool dump_abbrev = 0;
#endif
#if DWARF
#include "dwarf_mc.h"
#endif
extern int print_inlines;
/* PROCEDURES */
static void init_all
(void)
{
init_flpt();
#include "inits.h"
good_trans = 0;
capsule_freelist = (capsule_frees*)0;
old_proc_props = (proc_props *)0;
/* 80x86 specific */
extra_stack = 0;
top_def = (dec*)0;
init_weights();
initzeros();
const_list = nilexp;
return;
}
int main
(int argc, char **argv)
{
int i;
char *outfname;
/* defaults */
do_inlining = 1; /* inline */
redo_structfns = 1; /* replace fns delivering structs */
redo_structparams = 0; /* no change to struct params */
is80486 = 1; /* (at least) 80486 */
is80586 = 1; /* Pentium */
separate_units = 0; /* combine units */
do_foralls = 1; /* do forall optimisations */
extra_checks = 1; /* perform the extra checks */
always_use_frame = 0; /* avoid using frame pointer */
do_loopconsts = 1; /* extract constants from loops */
diagnose = 0; /* diagnostics off */
#ifdef NEWDIAGS
diag_visible = 0;
extra_diags = 0;
#endif
#ifdef NEWDWARF
dwarf2 = 0;
#endif
do_profile = 0; /* no profiling code */
writable_strings = 0; /* strings are read only */
PIC_code = 0; /* do not produce PIC code */
all_variables_visible = 0; /* use registers */
do_alloca = 1; /* inline calls of alloca */
round_after_flop = 0; /* do not round after each floating point
operation */
strict_fl_div = 1; /* do not replace divisions by
multiplication by the inverse */
flpt_const_overflow_fail = 1; /* constant floating point arithmetic
fails installation, if overflow */
flpt_always_comparable = 0; /* this is the default for SVR4.2 */
report_versions = 0; /* do not print version numbers */
permit_8byte_align = 1; /* allow 8byte alignment for local doubles
*/
do_unroll = 1; /* perform loop unrolling */
replace_arith_type = 1; /* use the C definitions of promote etc.
*/
indirect_jumps = 1; /* follow gotos and tests to final dest */
no_bss = 0; /* use .comm */
ptr_null = 0; /* null value for pointer */
proc_null = 0; /* null value for proc */
lv_null = 0; /* null value for label_value*/
for (i = 1; i != argc && argv[i][0] == '-'; ++i) {/* read flags */
char *s = argv[i];
switch (s[1]) {
case 'A':
do_alloca = (s[2] == '1');
break;
case 'B':
flpt_const_overflow_fail = (s[2] == '1');
break;
case 'C':
do_loopconsts = (s[2] == '1');
break;
case 'D':
PIC_code = (s[2] == '1');
break;
case 'E':
extra_checks = 0;
break;
case 'F':
do_foralls = (s[2] == '1');
break;
case 'G':
gcc_compatible = (s[2] == '1');
break;
case 'H':
diagnose = 1;
#ifdef NEWDIAGS
if (s[2]!= 'O')
#endif
{
#ifdef NEWDIAGS
diag_visible = 1;
#endif
always_use_frame = 1;
do_inlining = 0;
do_loopconsts = 0;
do_foralls = 0;
all_variables_visible = 1;
}
break;
case 'I':
do_inlining = (s[2] == '1');
break;
#ifdef NEWDWARF
case 'J':
diagnose = 1;
extra_diags = 1;
dwarf2 = 1;
break;
#endif
case 'K':
if (s[2] == '3')
{
is80486 = 0;
is80586 = 0;
};
if (s[2] == '4')
{
is80486 = 1;
is80586 = 0;
};
if (s[2] == '5')
{
is80486 = 1;
is80586 = 1;
};
break;
case 'M':
strict_fl_div = (s[2] == '1');
break;
case 'N':
do_prom = 1;
break;
case 'P':
do_profile = 1;
break;
case 'Q':
return 0;
case 'R':
round_after_flop = (s[2] == '1');
break;
#ifdef NEWDWARF
case 'T':
dump_abbrev = 1;
diagnose = 1;
extra_diags = 1;
dwarf2 = 1;
break;
#endif
case 'U':
do_unroll = (s[2] == '1');
break;
case 'V':
IGNORE fprintf(stderr, "DERA ANDF 80x86/Pentium translator (TDF version %d.%d)\n",
MAJOR_VERSION, MINOR_VERSION);
IGNORE fprintf(stderr, "reader %d.%d: ", reader_version,
reader_revision);
IGNORE fprintf(stderr, "construct %d.%d: ", construct_version,
construct_revision);
IGNORE fprintf(stderr, "target %d.%d: ", target_version,
target_revision);
#if DWARF
IGNORE fprintf(stderr, "dwarf1 %d.%d: ", DWARF_MAJOR,
DWARF_MINOR);
#endif
#ifdef NEWDIAGS
IGNORE fprintf(stderr, "diag_info %d.%d:\n%s ", diag_version,
diag_revision, DG_VERSION);
#endif
#ifdef NEWDWARF
IGNORE fprintf(stderr, "dwarf2 %d.%d: ", DWARF2_MAJOR,
DWARF2_MINOR);
#endif
IGNORE fprintf(stderr, "\n");
IGNORE fprintf(stderr, "system %s: ", target_system);
#ifdef __DATE__
IGNORE fprintf(stderr, "installer compilation %s", __DATE__);
#endif
IGNORE fprintf(stderr, "\n");
#ifdef RELEASE
IGNORE fprintf(stderr, "release: %s\n",RELEASE);
#endif
break;
case 'W':
writable_strings = (s[2] == '1');
break;
case 'X':
do_unroll = 0;
do_inlining = 0;
do_loopconsts = 0;
do_special_fns = 0;
do_foralls = 0;
indirect_jumps = 0;
all_variables_visible = 1;
break;
case 'Z':
report_versions = 1;
break;
case 'a':
always_use_frame = 1;
break;
case 'b':
all_variables_visible = 1;
break;
case 'c':
replace_arith_type = 0;
break;
case 'd':
redo_structfns = 0;
break;
case 'e':
indirect_jumps = 0;
break;
case 'f':
ptr_null = 0x55555555; /* null value for pointer */
break;
case 'g':
flpt_always_comparable = 1;
break;
case 'h':
no_bss = 1;
break;
case 'i':
print_inlines = 1;
break;
#if isdragonfly
case 'k':
set_dragonfly_format(s[2] == '1');
break;
#endif
#if isfreebsd
case 'k':
set_freebsd_format(s[2] == '1');
break;
#endif
#if islinux
case 'k':
set_linux_format(s[2] == '1');
break;
#endif
#if issco
case 's':
sco_gas = 1;
break;
#endif
default:
failer(BAD_FLAG);
break;
};
};
#if isdragonfly
if (gcc_compatible < 0)
gcc_compatible = !dragonfly_elf;
#endif
#if isfreebsd
if (gcc_compatible < 0)
gcc_compatible = !freebsd_elf;
#endif
#if islinux
if (gcc_compatible < 0)
gcc_compatible = ! linux_elf;
#endif
if (i == argc)
i--; /* BAD_COMMAND1 */
for (; i < argc; i += 2) {
if (i == (argc-1))
{
failer(BAD_COMMAND1);
return(1);
};
outfname = argv[i+1];
/* initiate the output file */
if (!outinit(outfname)) {
failer(CANT_OPEN);
return(1);
};
if (!initreader(argv[i])) {
failer(CANT_READ);
return(1);
};
init_all();
#ifdef NEWDWARF
if (dwarf2) {
init_dwarf2();
} else
#endif
if (diagnose)out_diagnose_prelude();
#ifdef NEWDWARF
if (dump_abbrev) {
outs(".text\n");
do_abbreviations();
dwarf2_prelude();
make_dwarf_common();
dwarf2_postlude();
} else
#endif
IGNORE d_capsule();
while (weak_list)
{
outs(".set ");
outs(weak_list -> weak_id);
outs(",");
outs(weak_list -> val_id);
outnl();
weak_list = weak_list -> next;
};
#ifdef NEWDWARF
if (dwarf2) {
end_dwarf2();
} else
#endif
if (diagnose)out_diagnose_postlude();
outend (); /* close the .s file */
endreader();
if (good_trans)
exit(EXIT_FAILURE);
}
return 0;
}