2007-10-26 02:09:45 +08:00
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/* This testcase is part of GDB, the GNU debugger.
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2019-01-01 14:01:51 +08:00
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Copyright 2007-2019 Free Software Foundation, Inc.
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2007-10-26 02:09:45 +08:00
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include <stdio.h>
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#include <stdlib.h>
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* dfp-test.c (DELTA, DELTA_B): New definitions.
(double_val1, double_val2, double_val3, double_val4, double_val5,
double_val6, double_val7, double_val8, double_val9, double_val10,
double_val11, double_val12, double_val13, double_val14, dec32_val1,
dec32_val2, dec32_val3, dec32_val4, dec32_val5, dec32_val6, dec32_val7,
dec32_val8, dec32_val9, dec32_val10, dec32_val11, dec32_val12,
dec32_val13, dec32_val14, dec32_val15, dec32_val16, dec64_val1,
dec64_val2, dec64_val3, dec64_val4, dec64_val5, dec64_val6, dec64_val7,
dec64_val8, dec64_val9, dec64_val10, dec64_val11, dec64_val12,
dec64_val13, dec64_val14, dec64_val15, dec64_val16, dec128_val1,
dec128_val2, dec128_val3, dec128_val4, dec128_val5, dec128_val6,
dec128_val7, dec128_val8, dec128_val9, dec128_val10, dec128_val11,
dec128_val12, dec128_val13, dec128_val14, dec128_val15,
dec128_val16): New global variables.
(decimal_dec128_align): New function.
(decimal_mixed): Likewise.
(decimal_many_args_dec32): Likewise.
(decimal_many_args_dec64): Likewise.
(decimal_many_args_dec128): Likewise.
(decimal_many_args_mixed): Likewise.
* dfp-test.exp: Add tests calling new inferior functions.
2008-01-30 11:19:26 +08:00
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#define DELTA (0.0001df)
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#define DELTA_B (0.001)
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double double_val1 = 45.125;
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double double_val2 = -67.75;
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double double_val3 = 0.25;
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double double_val4 = 1.25;
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double double_val5 = 2.25;
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double double_val6 = 3.25;
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double double_val7 = 4.25;
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double double_val8 = 5.25;
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double double_val9 = 6.25;
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double double_val10 = 7.25;
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double double_val11 = 8.25;
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double double_val12 = 9.25;
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double double_val13 = 10.25;
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double double_val14 = 11.25;
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_Decimal32 dec32_val1 = 3.14159df;
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_Decimal32 dec32_val2 = -2.3765df;
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_Decimal32 dec32_val3 = 0.2df;
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_Decimal32 dec32_val4 = 1.2df;
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_Decimal32 dec32_val5 = 2.2df;
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_Decimal32 dec32_val6 = 3.2df;
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_Decimal32 dec32_val7 = 4.2df;
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_Decimal32 dec32_val8 = 5.2df;
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_Decimal32 dec32_val9 = 6.2df;
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_Decimal32 dec32_val10 = 7.2df;
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_Decimal32 dec32_val11 = 8.2df;
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_Decimal32 dec32_val12 = 9.2df;
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_Decimal32 dec32_val13 = 10.2df;
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_Decimal32 dec32_val14 = 11.2df;
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_Decimal32 dec32_val15 = 12.2df;
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_Decimal32 dec32_val16 = 13.2df;
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_Decimal64 dec64_val1 = 3.14159dd;
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_Decimal64 dec64_val2 = -2.3765dd;
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_Decimal64 dec64_val3 = 0.2dd;
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_Decimal64 dec64_val4 = 1.2dd;
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_Decimal64 dec64_val5 = 2.2dd;
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_Decimal64 dec64_val6 = 3.2dd;
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_Decimal64 dec64_val7 = 4.2dd;
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_Decimal64 dec64_val8 = 5.2dd;
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_Decimal64 dec64_val9 = 6.2dd;
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_Decimal64 dec64_val10 = 7.2dd;
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_Decimal64 dec64_val11 = 8.2dd;
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_Decimal64 dec64_val12 = 9.2dd;
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_Decimal64 dec64_val13 = 10.2dd;
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_Decimal64 dec64_val14 = 11.2dd;
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_Decimal64 dec64_val15 = 12.2dd;
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_Decimal64 dec64_val16 = 13.2dd;
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_Decimal128 dec128_val1 = 3.14159dl;
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_Decimal128 dec128_val2 = -2.3765dl;
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_Decimal128 dec128_val3 = 0.2dl;
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_Decimal128 dec128_val4 = 1.2dl;
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_Decimal128 dec128_val5 = 2.2dl;
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_Decimal128 dec128_val6 = 3.2dl;
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_Decimal128 dec128_val7 = 4.2dl;
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_Decimal128 dec128_val8 = 5.2dl;
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_Decimal128 dec128_val9 = 6.2dl;
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_Decimal128 dec128_val10 = 7.2dl;
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_Decimal128 dec128_val11 = 8.2dl;
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_Decimal128 dec128_val12 = 9.2dl;
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_Decimal128 dec128_val13 = 10.2dl;
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_Decimal128 dec128_val14 = 11.2dl;
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_Decimal128 dec128_val15 = 12.2dl;
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_Decimal128 dec128_val16 = 13.2dl;
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2007-10-26 02:09:45 +08:00
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volatile _Decimal32 d32;
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volatile _Decimal64 d64;
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volatile _Decimal128 d128;
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Fix type casts losing typedefs and reimplement "whatis" typedef stripping
(Ref: https://sourceware.org/ml/gdb/2017-06/msg00020.html)
Assuming int_t is a typedef to int:
typedef int int_t;
gdb currently loses this expression's typedef:
(gdb) p (int_t) 0
$1 = 0
(gdb) whatis $1
type = int
or:
(gdb) whatis (int_t) 0
type = int
or, to get "whatis" out of the way:
(gdb) maint print type (int_t) 0
...
name 'int'
code 0x8 (TYPE_CODE_INT)
...
This prevents a type printer for "int_t" kicking in, with e.g.:
(gdb) p (int_t) 0
From the manual, we can see that that "whatis (int_t) 0" command
invocation should have printed "type = int_t":
If @var{arg} is a variable or an expression, @code{whatis} prints its
literal type as it is used in the source code. If the type was
defined using a @code{typedef}, @code{whatis} will @emph{not} print
the data type underlying the @code{typedef}.
(...)
If @var{arg} is a type name that was defined using @code{typedef},
@code{whatis} @dfn{unrolls} only one level of that @code{typedef}.
That one-level stripping is currently done here, in
gdb/eval.c:evaluate_subexp_standard, handling OP_TYPE:
...
else if (noside == EVAL_AVOID_SIDE_EFFECTS)
{
struct type *type = exp->elts[pc + 1].type;
/* If this is a typedef, then find its immediate target. We
use check_typedef to resolve stubs, but we ignore its
result because we do not want to dig past all
typedefs. */
check_typedef (type);
if (TYPE_CODE (type) == TYPE_CODE_TYPEDEF)
type = TYPE_TARGET_TYPE (type);
return allocate_value (type);
}
However, this stripping is reachable in both:
#1 - (gdb) whatis (int_t)0 # ARG is an expression with a cast to
# typedef type.
#2 - (gdb) whatis int_t # ARG is a type name.
while only case #2 should strip the typedef. Removing that code from
evaluate_subexp_standard is part of the fix. Instead, we make the
"whatis" command implementation itself strip one level of typedefs
when the command argument is a type name.
We then run into another problem, also fixed by this commit:
value_cast always drops any typedefs of the destination type.
With all that fixed, "whatis (int_t) 0" now works as expected:
(gdb) whatis int_t
type = int
(gdb) whatis (int_t)0
type = int_t
value_cast has many different exit/convertion paths, for handling many
different kinds of casts/conversions, and most of them had to be
tweaked to construct the value of the right "to" type. The new tests
try to exercise most of it, by trying castin of many different
combinations of types. With:
$ make check TESTS="*/whatis-ptype*.exp */gnu_vector.exp */dfp-test.exp"
... due to combinatorial explosion, the testsuite results for the
tests above alone grow like:
- # of expected passes 246
+ # of expected passes 3811
You'll note that the tests exposed one GCC buglet, filed here:
Missing DW_AT_type in DW_TAG_typedef of "typedef of typedef of void"
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81267
gdb/ChangeLog:
2017-08-21 Pedro Alves <palves@redhat.com>
* eval.c (evaluate_subexp_standard) <OP_TYPE>: Don't dig past
typedefs.
* typeprint.c (whatis_exp): If handling "whatis", and expression
is OP_TYPE, strip one typedef level. Otherwise don't strip
typedefs here.
* valops.c (value_cast): Save "to" type before resolving
stubs/typedefs. Use that type as resulting value's type.
gdb/testsuite/ChangeLog:
2017-08-21 Pedro Alves <palves@redhat.com>
* gdb.base/dfp-test.c
(d32_t, d64_t, d128_t, d32_t2, d64_t2, d128_t2, v_d32_t, v_d64_t)
(v_d128_t, v_d32_t2, v_d64_t2, v_d128_t2): New.
* gdb.base/dfp-test.exp: Add whatis/ptype/cast tests.
* gdb.base/gnu_vector.exp: Add whatis/ptype/cast tests.
* gdb.base/whatis-ptype-typedefs.c: New.
* gdb.base/whatis-ptype-typedefs.exp: New.
* gdb.python/py-prettyprint.c (int_type, int_type2): New typedefs.
(an_int, an_int_type, an_int_type2): New globals.
* gdb.python/py-prettyprint.exp (run_lang_tests): Add tests
involving typedefs and cast expressions.
* gdb.python/py-prettyprint.py (class pp_int_typedef): New.
(lookup_typedefs_function): New.
(typedefs_pretty_printers_dict): New.
(top level): Register lookup_typedefs_function in
gdb.pretty_printers.
2017-08-21 18:34:32 +08:00
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/* Typedefs and typedefs of typedefs, for ptype/whatis testing. */
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typedef _Decimal32 d32_t;
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typedef _Decimal64 d64_t;
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typedef _Decimal128 d128_t;
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typedef d32_t d32_t2;
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typedef d64_t d64_t2;
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typedef d128_t d128_t2;
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d32_t v_d32_t;
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d64_t v_d64_t;
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d128_t v_d128_t;
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d32_t2 v_d32_t2;
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d64_t2 v_d64_t2;
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d128_t2 v_d128_t2;
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2007-10-26 02:09:45 +08:00
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struct decstruct
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{
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int int4;
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long long8;
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2008-01-08 06:34:49 +08:00
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float float4;
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double double8;
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2007-10-26 02:09:45 +08:00
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_Decimal32 dec32;
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_Decimal64 dec64;
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_Decimal128 dec128;
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} ds;
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static _Decimal32
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arg0_32 (_Decimal32 arg0, _Decimal32 arg1, _Decimal32 arg2,
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_Decimal32 arg3, _Decimal32 arg4, _Decimal32 arg5)
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{
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return arg0;
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}
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static _Decimal64
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arg0_64 (_Decimal64 arg0, _Decimal64 arg1, _Decimal64 arg2,
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_Decimal64 arg3, _Decimal64 arg4, _Decimal64 arg5)
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{
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return arg0;
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}
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static _Decimal128
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arg0_128 (_Decimal128 arg0, _Decimal128 arg1, _Decimal128 arg2,
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_Decimal128 arg3, _Decimal128 arg4, _Decimal128 arg5)
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{
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return arg0;
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}
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* dfp-test.c (DELTA, DELTA_B): New definitions.
(double_val1, double_val2, double_val3, double_val4, double_val5,
double_val6, double_val7, double_val8, double_val9, double_val10,
double_val11, double_val12, double_val13, double_val14, dec32_val1,
dec32_val2, dec32_val3, dec32_val4, dec32_val5, dec32_val6, dec32_val7,
dec32_val8, dec32_val9, dec32_val10, dec32_val11, dec32_val12,
dec32_val13, dec32_val14, dec32_val15, dec32_val16, dec64_val1,
dec64_val2, dec64_val3, dec64_val4, dec64_val5, dec64_val6, dec64_val7,
dec64_val8, dec64_val9, dec64_val10, dec64_val11, dec64_val12,
dec64_val13, dec64_val14, dec64_val15, dec64_val16, dec128_val1,
dec128_val2, dec128_val3, dec128_val4, dec128_val5, dec128_val6,
dec128_val7, dec128_val8, dec128_val9, dec128_val10, dec128_val11,
dec128_val12, dec128_val13, dec128_val14, dec128_val15,
dec128_val16): New global variables.
(decimal_dec128_align): New function.
(decimal_mixed): Likewise.
(decimal_many_args_dec32): Likewise.
(decimal_many_args_dec64): Likewise.
(decimal_many_args_dec128): Likewise.
(decimal_many_args_mixed): Likewise.
* dfp-test.exp: Add tests calling new inferior functions.
2008-01-30 11:19:26 +08:00
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/* Function to test if _Decimal128 argument interferes with stack slots
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because of alignment. */
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int
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decimal_dec128_align (double arg0, _Decimal128 arg1, double arg2, double arg3,
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double arg4, double arg5, double arg6, double arg7,
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double arg8, double arg9, double arg10, double arg11,
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double arg12, double arg13)
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{
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return ((arg0 - double_val1) < DELTA_B
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&& (arg0 - double_val1) > -DELTA_B
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&& (arg1 - dec128_val2) < DELTA
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&& (arg1 - dec128_val2) > -DELTA
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&& (arg2 - double_val3) < DELTA_B
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&& (arg2 - double_val3) > -DELTA_B
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&& (arg3 - double_val4) < DELTA_B
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&& (arg3 - double_val4) > -DELTA_B
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&& (arg4 - double_val5) < DELTA_B
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&& (arg4 - double_val5) > -DELTA_B
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&& (arg5 - double_val6) < DELTA_B
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&& (arg5 - double_val6) > -DELTA_B
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&& (arg6 - double_val7) < DELTA_B
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&& (arg6 - double_val7) > -DELTA_B
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&& (arg7 - double_val8) < DELTA_B
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&& (arg7 - double_val8) > -DELTA_B
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&& (arg8 - double_val9) < DELTA_B
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&& (arg8 - double_val9) > -DELTA_B
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&& (arg9 - double_val10) < DELTA_B
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&& (arg9 - double_val10) > -DELTA_B
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&& (arg10 - double_val11) < DELTA_B
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&& (arg10 - double_val11) > -DELTA_B
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&& (arg11 - double_val12) < DELTA_B
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&& (arg11 - double_val12) > -DELTA_B
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&& (arg12 - double_val13) < DELTA_B
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&& (arg12 - double_val13) > -DELTA_B
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&& (arg13 - double_val14) < DELTA_B
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&& (arg13 - double_val14) > -DELTA_B);
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}
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int
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decimal_mixed (_Decimal32 arg0, _Decimal64 arg1, _Decimal128 arg2)
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{
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return ((arg0 - dec32_val1) < DELTA
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&& (arg0 - dec32_val1) > -DELTA
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&& (arg1 - dec64_val1) < DELTA
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&& (arg1 - dec64_val1) > -DELTA
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&& (arg2 - dec128_val1) < DELTA
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&& (arg2 - dec128_val1) > -DELTA);
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}
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/* These functions have many arguments to force some of them to be passed via
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the stack instead of registers, to test that GDB can construct correctly
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the parameter save area. Note that Linux/ppc32 has 8 float registers to use
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for float parameter passing and Linux/ppc64 has 13, so the number of
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arguments has to be at least 14 to contemplate these platforms. */
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int
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decimal_many_args_dec32 (_Decimal32 f1, _Decimal32 f2, _Decimal32 f3,
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_Decimal32 f4, _Decimal32 f5, _Decimal32 f6,
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_Decimal32 f7, _Decimal32 f8, _Decimal32 f9,
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_Decimal32 f10, _Decimal32 f11, _Decimal32 f12,
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_Decimal32 f13, _Decimal32 f14, _Decimal32 f15,
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_Decimal32 f16)
|
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{
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_Decimal32 sum_args;
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_Decimal32 sum_values;
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sum_args = f1 + f2 + f3 + f4 + f5 + f6 + f7 + f8 + f9 + f10 + f11 + f12
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+ f13 + f14 + f15 + f16;
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sum_values = dec32_val1 + dec32_val2 + dec32_val3 + dec32_val4 + dec32_val5
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+ dec32_val6 + dec32_val7 + dec32_val8 + dec32_val9
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+ dec32_val10 + dec32_val11 + dec32_val12 + dec32_val13
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+ dec32_val14 + dec32_val15 + dec32_val16;
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|
|
|
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return ((sum_args - sum_values) < DELTA
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&& (sum_args - sum_values) > -DELTA);
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|
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}
|
|
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|
|
|
|
|
|
|
int
|
|
|
|
|
decimal_many_args_dec64 (_Decimal64 f1, _Decimal64 f2, _Decimal64 f3,
|
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|
|
|
_Decimal64 f4, _Decimal64 f5, _Decimal64 f6,
|
|
|
|
|
_Decimal64 f7, _Decimal64 f8, _Decimal64 f9,
|
|
|
|
|
_Decimal64 f10, _Decimal64 f11, _Decimal64 f12,
|
|
|
|
|
_Decimal64 f13, _Decimal64 f14, _Decimal64 f15,
|
|
|
|
|
_Decimal64 f16)
|
|
|
|
|
{
|
|
|
|
|
_Decimal64 sum_args;
|
|
|
|
|
_Decimal64 sum_values;
|
|
|
|
|
|
|
|
|
|
sum_args = f1 + f2 + f3 + f4 + f5 + f6 + f7 + f8 + f9 + f10 + f11 + f12
|
|
|
|
|
+ f13 + f14 + f15 + f16;
|
|
|
|
|
sum_values = dec64_val1 + dec64_val2 + dec64_val3 + dec64_val4 + dec64_val5
|
|
|
|
|
+ dec64_val6 + dec64_val7 + dec64_val8 + dec64_val9
|
|
|
|
|
+ dec64_val10 + dec64_val11 + dec64_val12 + dec64_val13
|
|
|
|
|
+ dec64_val14 + dec64_val15 + dec64_val16;
|
|
|
|
|
|
|
|
|
|
return ((sum_args - sum_values) < DELTA
|
|
|
|
|
&& (sum_args - sum_values) > -DELTA);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int
|
|
|
|
|
decimal_many_args_dec128 (_Decimal128 f1, _Decimal128 f2, _Decimal128 f3,
|
|
|
|
|
_Decimal128 f4, _Decimal128 f5, _Decimal128 f6,
|
|
|
|
|
_Decimal128 f7, _Decimal128 f8, _Decimal128 f9,
|
|
|
|
|
_Decimal128 f10, _Decimal128 f11, _Decimal128 f12,
|
|
|
|
|
_Decimal128 f13, _Decimal128 f14, _Decimal128 f15,
|
|
|
|
|
_Decimal128 f16)
|
|
|
|
|
{
|
|
|
|
|
_Decimal128 sum_args;
|
|
|
|
|
_Decimal128 sum_values;
|
|
|
|
|
|
|
|
|
|
sum_args = f1 + f2 + f3 + f4 + f5 + f6 + f7 + f8 + f9 + f10 + f11 + f12
|
|
|
|
|
+ f13 + f14 + f15 + f16;
|
|
|
|
|
sum_values = dec128_val1 + dec128_val2 + dec128_val3 + dec128_val4 + dec128_val5
|
|
|
|
|
+ dec128_val6 + dec128_val7 + dec128_val8 + dec128_val9
|
|
|
|
|
+ dec128_val10 + dec128_val11 + dec128_val12 + dec128_val13
|
|
|
|
|
+ dec128_val14 + dec128_val15 + dec128_val16;
|
|
|
|
|
|
|
|
|
|
return ((sum_args - sum_values) < DELTA
|
|
|
|
|
&& (sum_args - sum_values) > -DELTA);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int
|
|
|
|
|
decimal_many_args_mixed (_Decimal32 f1, _Decimal32 f2, _Decimal32 f3,
|
|
|
|
|
_Decimal64 f4, _Decimal64 f5, _Decimal64 f6,
|
|
|
|
|
_Decimal64 f7, _Decimal128 f8, _Decimal128 f9,
|
|
|
|
|
_Decimal128 f10, _Decimal32 f11, _Decimal64 f12,
|
|
|
|
|
_Decimal32 f13, _Decimal64 f14, _Decimal128 f15)
|
|
|
|
|
{
|
|
|
|
|
_Decimal128 sum_args;
|
|
|
|
|
_Decimal128 sum_values;
|
|
|
|
|
|
|
|
|
|
sum_args = f1 + f2 + f3 + f4 + f5 + f6 + f7 + f8 + f9 + f10 + f11 + f12
|
|
|
|
|
+ f13 + f14 + f15;
|
|
|
|
|
sum_values = dec32_val1 + dec32_val2 + dec32_val3 + dec64_val4 + dec64_val5
|
|
|
|
|
+ dec64_val6 + dec64_val7 + dec128_val8 + dec128_val9
|
|
|
|
|
+ dec128_val10 + dec32_val11 + dec64_val12 + dec32_val13
|
|
|
|
|
+ dec64_val14 + dec128_val15;
|
|
|
|
|
|
|
|
|
|
return ((sum_args - sum_values) < DELTA
|
|
|
|
|
&& (sum_args - sum_values) > -DELTA);
|
|
|
|
|
}
|
|
|
|
|
|
2007-10-26 02:09:45 +08:00
|
|
|
int main()
|
|
|
|
|
{
|
|
|
|
|
/* An finite 32-bits decimal floating point. */
|
|
|
|
|
d32 = 1.2345df; /* Initialize d32. */
|
|
|
|
|
|
|
|
|
|
/* Non-finite 32-bits decimal floating point: infinity and NaN. */
|
|
|
|
|
d32 = __builtin_infd32(); /* Positive infd32. */
|
|
|
|
|
d32 = -__builtin_infd32(); /* Negative infd32. */
|
|
|
|
|
d32 = __builtin_nand32("");
|
|
|
|
|
|
|
|
|
|
/* An finite 64-bits decimal floating point. */
|
|
|
|
|
d64 = 1.2345dd; /* Initialize d64. */
|
|
|
|
|
|
|
|
|
|
/* Non-finite 64-bits decimal floating point: infinity and NaN. */
|
|
|
|
|
d64 = __builtin_infd64(); /* Positive infd64. */
|
|
|
|
|
d64 = -__builtin_infd64(); /* Negative infd64. */
|
|
|
|
|
d64 = __builtin_nand64("");
|
|
|
|
|
|
|
|
|
|
/* An finite 128-bits decimal floating point. */
|
|
|
|
|
d128 = 1.2345dl; /* Initialize d128. */
|
|
|
|
|
|
|
|
|
|
/* Non-finite 128-bits decimal floating point: infinity and NaN. */
|
|
|
|
|
d128 = __builtin_infd128(); /* Positive infd128. */
|
|
|
|
|
d128 = -__builtin_infd128(); /* Negative infd128. */
|
|
|
|
|
d128 = __builtin_nand128("");
|
|
|
|
|
|
|
|
|
|
/* Functions with decimal floating point as parameter and return value. */
|
|
|
|
|
d32 = arg0_32 (0.1df, 1.0df, 2.0df, 3.0df, 4.0df, 5.0df);
|
|
|
|
|
d64 = arg0_64 (0.1dd, 1.0dd, 2.0dd, 3.0dd, 4.0dd, 5.0dd);
|
|
|
|
|
d128 = arg0_128 (0.1dl, 1.0dl, 2.0dl, 3.0dl, 4.0dl, 5.0dl);
|
|
|
|
|
|
|
|
|
|
ds.int4 = 1;
|
|
|
|
|
ds.long8 = 2;
|
2008-01-08 06:34:49 +08:00
|
|
|
ds.float4 = 3.1;
|
|
|
|
|
ds.double8 = 4.2;
|
2007-10-26 02:09:45 +08:00
|
|
|
ds.dec32 = 1.2345df;
|
|
|
|
|
ds.dec64 = 1.2345dd;
|
|
|
|
|
ds.dec128 = 1.2345dl;
|
|
|
|
|
|
|
|
|
|
return 0; /* Exit point. */
|
|
|
|
|
}
|
