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/*
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.
*/
/*
VERSION INFORMATION
===================
--------------------------------------------------------------------------
$Header: /u/g/release/CVSROOT/Source/src/installers/sparc/common/spec_tok.c,v 1.1.1.1 1998/01/17 15:55:55 release Exp $
--------------------------------------------------------------------------
$Log: spec_tok.c,v $
* Revision 1.1.1.1 1998/01/17 15:55:55 release
* First version to be checked into rolling release.
*
* Revision 1.17 1997/10/10 18:33:06 pwe
* prep ANDF-DE revision
*
* Revision 1.16 1997/08/23 13:54:40 pwe
* initial ANDF-DE
*
* Revision 1.15 1997/04/04 15:23:10 pwe
* tidy re old DWARF interface
*
* Revision 1.14 1997/02/18 11:48:30 pwe
* NEWDIAGS for debugging optimised code
*
* Revision 1.13 1996/09/06 17:18:15 pwe
* explicit next_callee_offset to correct double alignment
*
* Revision 1.12 1996/08/27 14:09:15 pwe
* ensure all varargs are stored, and ptr is not64bit
*
* Revision 1.11 1996/08/23 12:07:57 pwe
* treat complex parameter as struct
*
* Revision 1.10 1996/08/20 12:21:30 pwe
* structures (etc) in varargs
*
* Revision 1.9 1996/08/15 16:27:03 pwe
* add missing file headers
*
* Revision 1.8 1995/10/18 14:09:02 john
* Fix to ANSI va_start
*
* Revision 1.7 1995/09/20 12:30:55 john
* Portability fix
*
* Revision 1.6 1995/09/15 16:18:10 john
* New token
*
*/
/*
^^^ 21/12/92 jmf Added ~div as special token
^^^ 26/03/93 jmf Changes for new spec 2.1
^^^ 24/05/93 jmf Added ~alloca as special token, not alloc
^^^ 10/06/93 jmf Change long to int, remove extern declarations.
^^^ 19/08/93 jmf Put arith_type, promote, sign_promote, convert
^^^ into c_arith-type.h in machine directories.
^^^ 19/08/93 jmf Set crt_lno in exp_to_source
^^^ 23/09/93 jmf Use natmacs.h
--------------------------------------------------------------------------
*/
#include "config.h"
#include "common_types.h"
#include "basicread.h"
#include "tags.h"
#include "exp.h"
#include "expmacs.h"
#include "diag_fns.h"
#include "flags.h"
#include "check.h"
#include "me_fns.h"
#include "externs.h"
#include "installglob.h"
#include "messages_r.h"
#include "main_reads.h"
#include "install_fns.h"
#include "c_arith_type.h"
#include "natmacs.h"
#include "shapemacs.h"
#include "translat.h"
#include "spec_tok.h"
#include "new_tags.h"
#include "myassert.h"
#include "dg_fns.h"
/* intercepts specially defined tokens */
tokval special_token
PROTO_N ( (t, pars, sortcode, done) )
PROTO_T ( token t X bitstream pars X int sortcode X int * done )
{
tokval tkv;
UNUSED(sortcode);
if (t -> tok_name == (char*)0) {
SET(tkv); /* call looks at done to see if result is meaningful */
return tkv;
};
/* Added for VARARGS on sparc etc */
if (!strcmp(t -> tok_name,"ansi.stdarg.__va_start") ) {
exp arg1;
exp id;
exp env_o;
place old_place;
old_place = keep_place();
set_place(pars);
arg1 = hold_check(d_exp());
set_place(old_place);
if (name(arg1) != name_tag) failer("Not a tag in va_start");
id = son(arg1);
env_o = getexp(f_offset(f_callers_alignment(1), f_alignment(sh(arg1))),
nilexp, 0, id, nilexp, 0, 0, env_offset_tag);
setvis(id);
setenvoff(id);
tkv.tk_exp = hold_check(f_add_to_ptr(f_current_env(), env_o));
kill_exp(arg1,arg1);
*done = 1;
return tkv;
}
if (!strcmp(t -> tok_name,"ansi.stdarg.va_arg") ) {
exp arg1;
shape s, s1;
exp id, ass, con;
exp_list el;
place old_place;
old_place = keep_place();
set_place(pars);
arg1 = hold_check(d_exp());
s = d_shape();
set_place(old_place);
s1 = s;
if (sparccpd(s)) {
s1 = f_pointer (f_alignment (s));
}
id = me_startid (f_pointer(f_var_param_alignment), arg1, 0);
ass = f_assign (me_obtain(id),
f_add_to_ptr (f_contents (f_pointer(f_var_param_alignment), me_obtain(id)),
f_offset_pad (f_var_param_alignment, f_shape_offset (s1))));
con = f_contents (s1,
f_add_to_ptr (f_contents (f_pointer(f_var_param_alignment), me_obtain(id)),
f_offset_negate (f_offset_pad (f_var_param_alignment, f_shape_offset (s1)))));
if (sparccpd(s)) {
con = f_contents (s, con);
}
el = new_exp_list(1);
el = add_exp_list(el, ass, 0);
tkv.tk_exp = hold_check (me_complete_id (id, f_sequence (el, con)));
*done = 1;
return tkv;
}
/* end of addition for VARARGS */
if (!strcmp(t -> tok_name,"~next_caller_offset") ) {
exp arg1;
shape s1, s2;
place old_place;
old_place = keep_place();
set_place(pars);
arg1 = hold_check(d_exp());
s1 = d_shape();
s2 = d_shape();
set_place(old_place);
caller_offset_used = 1;
if (sparccpd(s1)) {
s1 = f_pointer (f_alignment (s1));
}
tkv.tk_exp = hold_check (f_offset_pad (f_parameter_alignment (s2),
f_offset_add (arg1, f_shape_offset (s1))));
*done = 1;
return tkv;
}
if (!strcmp(t -> tok_name,"~next_callee_offset") ) {
exp arg1;
shape s1, s2;
place old_place;
old_place = keep_place();
set_place(pars);
arg1 = hold_check(d_exp());
s1 = d_shape();
s2 = d_shape();
set_place(old_place);
tkv.tk_exp = hold_check (f_offset_pad (f_parameter_alignment (s2),
f_offset_pad (f_alignment (s2),
f_offset_add (arg1, f_shape_offset (s1)))));
*done = 1;
return tkv;
}
if (!strcmp(t -> tok_name, "~alloca")) {
exp arg1;
place old_place;
old_place = keep_place();
set_place(pars);
arg1 = hold_check(d_exp());
set_place(old_place);
tkv.tk_exp = hold_check(me_u3(f_pointer(long_to_al(8)),
arg1, alloca_tag));
*done = 1;
has_alloca = 1;
return tkv;
};
if(!strcmp(t->tok_name, "~Sync_handler")){
tkv.tk_exp = getexp(f_top,nilexp,0,nilexp,nilexp,0,0,special_tag);
*done = 1;
return tkv;
}
if (!strcmp(t->tok_name, "__sparc_special")){
exp arg;
place old_place;
old_place = keep_place();
set_place(pars);
arg = d_exp();
assert(name(arg) == val_tag);
if(no(arg) == 0){
tkv.tk_exp = getexp(f_bottom,nilexp,0,nilexp,nilexp,0,0,special_tag);
*done = 1;
}
else{
failer("Unsupported argument to token __alpha_special");
tkv.tk_exp = getexp(f_top,nilexp,0,nilexp,nilexp,0,0,null_tag);
*done = 1;
}
set_place(old_place);
return tkv;
}
if (!strcmp(t -> tok_name, "~exp_to_source") ||
!strcmp(t -> tok_name, "~diag_id_scope") ||
!strcmp(t -> tok_name, "~diag_type_scope") ||
!strcmp(t -> tok_name, "~diag_tag_scope")
#ifdef NEWDIAGS
|| !strcmp(t -> tok_name, "~dg_exp")
#endif
) {
place old_place;
old_place = keep_place();
set_place(pars);
tkv.tk_exp = hold_check(d_exp());
*done = 1;
if (!diagnose){
set_place(old_place);
return tkv;
};
if (!strcmp(t -> tok_name, "~exp_to_source")){
#ifdef NEWDIAGS
tkv.tk_exp = read_exp_to_source (tkv.tk_exp);
#else
diag_info * di = read_exp_to_source();
exp r = getexp(sh(tkv.tk_exp), nilexp, 0, tkv.tk_exp, nilexp,
1, 0, diagnose_tag);
setfather(r, tkv.tk_exp);
dno(r) = di;
tkv.tk_exp = r;
crt_lno = natint(di -> data.source.end.line_no);
crt_charno = natint(di -> data.source.end.char_off);
crt_flnm = di -> data.source.beg.file->file.ints.chars;
#endif
set_place(old_place);
return tkv;
};
if (!strcmp(t -> tok_name, "~diag_id_scope")){
#ifdef NEWDIAGS
tkv.tk_exp = read_diag_id_scope (tkv.tk_exp);
#else
diag_info * di = read_diag_id_scope();
exp r = getexp(sh(tkv.tk_exp), nilexp, 0, tkv.tk_exp, nilexp,
2, 0, diagnose_tag);
setfather(r, tkv.tk_exp);
dno(r) = di;
tkv.tk_exp = r;
#endif
set_place(old_place);
return tkv;
};
if (!strcmp(t -> tok_name, "~diag_type_scope")){
#ifdef NEWDIAGS
tkv.tk_exp = read_diag_type_scope (tkv.tk_exp);
#else
diag_info * di = read_diag_type_scope();
exp r = getexp(sh(tkv.tk_exp), nilexp, 0, tkv.tk_exp, nilexp,
3, 0, diagnose_tag);
setfather(r, tkv.tk_exp);
dno(r) = di;
tkv.tk_exp = r;
#endif
set_place(old_place);
return tkv;
};
if (!strcmp(t -> tok_name, "~diag_tag_scope")){
#ifndef NEWDIAGS
diag_info * di = read_diag_tag_scope();
exp r = getexp(sh(tkv.tk_exp), nilexp, 0, tkv.tk_exp, nilexp,
4, 0, diagnose_tag);
setfather(r, tkv.tk_exp);
dno(r) = di;
tkv.tk_exp = r;
#endif
set_place(old_place);
return tkv;
};
#ifdef NEWDIAGS
if (!strcmp(t -> tok_name, "~dg_exp")){
tkv.tk_exp = read_dg_exp (tkv.tk_exp);
set_place(old_place);
return tkv;
};
#endif
}
if (!strncmp(t -> tok_name, "~asm", 4)) {
int prp;
exp arg1;
place old_place;
old_place = keep_place();
if (!strcmp(t -> tok_name, "~asm")) {
set_place(pars);
arg1 = hold_check (f_make_nof_int (ucharsh, d_string()));
prp = 1;
}
else {
if (!strcmp(t -> tok_name, "~asm_sequence"))
prp = 0;
else
if (!strcmp(t -> tok_name, "~asm_exp_input"))
prp = 2;
else
if (!strcmp(t -> tok_name, "~asm_exp_output"))
prp = 4;
else
if (!strcmp(t -> tok_name, "~asm_exp_address"))
prp = 8;
else
return tkv;
set_place(pars);
arg1 = hold_check (d_exp());
}
set_place(old_place);
tkv.tk_exp = getexp (f_top, nilexp, 0, arg1, nilexp, prp, 0, asm_tag);
setfather (tkv.tk_exp, arg1);
*done = 1;
return tkv;
}
SET(tkv); /* call looks at done to see if result is meaningful */
return tkv;
}