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# Copyright 2014-2024 Free Software Foundation, Inc.
# This program 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/>.
# Some coverage testing of DWARF operators for the compiler
# integration.
load_lib compile-support.exp
load_lib dwarf.exp
# This test can only be run on targets which support DWARF-2 and use gas.
require dwarf2_support
require is_c_compiler_gcc
standard_testfile .c -dbg.S
#
# A port of the pr10770.c test code to the DWARF assembler format.
#
set assert_tos_non0 {
bra 3
skip -3
}
set assert_tos_0 [subst {
lit0
eq
$assert_tos_non0
}]
set program [subst {
lit0
nop
$assert_tos_0
lit1
const1u 1
eq
$assert_tos_non0
lit16
const2u 16
eq
$assert_tos_non0
lit31
const4u 31
ne
$assert_tos_0
lit1
neg
const1s -1
eq
$assert_tos_non0
lit16
neg
const2s -16
ne
$assert_tos_0
lit31
const4s -31
neg
ne
$assert_tos_0
lit7
dup
plus_uconst 2
lit9
eq
$assert_tos_non0
lit7
eq
$assert_tos_non0
lit20
lit1
drop
lit20
eq
$assert_tos_non0
lit17
lit19
over
lit17
eq
$assert_tos_non0
lit19
eq
$assert_tos_non0
lit17
eq
$assert_tos_non0
lit1
lit2
lit3
lit4
pick 2
lit2
eq
$assert_tos_non0
lit4
eq
$assert_tos_non0
lit3
eq
$assert_tos_non0
pick 0
lit2
eq
$assert_tos_non0
lit2
eq
$assert_tos_non0
lit1
eq
$assert_tos_non0
lit6
lit12
swap
lit6
eq
$assert_tos_non0
lit12
eq
$assert_tos_non0
lit7
lit8
lit9
rot
lit8
eq
$assert_tos_non0
lit7
eq
$assert_tos_non0
lit9
eq
$assert_tos_non0
lit7
abs
lit7
eq
$assert_tos_non0
const1s -123
abs
const1u 123
eq
$assert_tos_non0
lit3
lit6
and
lit2
eq
$assert_tos_non0
lit3
lit6
or
lit7
eq
$assert_tos_non0
lit17
lit2
minus
lit15
eq
$assert_tos_non0
# Divide is signed truncating toward zero.
const1s -6
const1s -2
div
lit3
eq
$assert_tos_non0
const1s -7
const1s 3
div
const1s -2
eq
$assert_tos_non0
# Modulo is unsigned.
const1s -6
const1s -4
mod
const1s -6
eq
$assert_tos_non0
const1s -6
lit4
mod
lit2
eq
$assert_tos_non0
lit6
const1s -4
mod
lit6
eq
$assert_tos_non0
# Signed modulo can be implemented using 'over over div mul minus'.
const1s -6
const1s -4
over
over
div
mul
minus
const1s -2
eq
$assert_tos_non0
const1s -7
lit3
over
over
div
mul
minus
const1s -1
eq
$assert_tos_non0
lit7
const1s -3
over
over
div
mul
minus
lit1
eq
$assert_tos_non0
lit16
lit31
plus_uconst 1
mul
const2u 512
eq
$assert_tos_non0
lit5
not
lit31
and
lit26
eq
$assert_tos_non0
lit12
lit31
plus
const1u 43
eq
$assert_tos_non0
const1s -6
lit2
plus
const1s -4
eq
$assert_tos_non0
const1s -6
plus_uconst 3
const1s -3
eq
$assert_tos_non0
lit16
lit4
shl
const2u 256
eq
$assert_tos_non0
lit16
lit3
shr
lit2
eq
$assert_tos_non0
const1s -16
lit3
shra
const1s -2
eq
$assert_tos_non0
lit3
lit6
xor
lit5
eq
$assert_tos_non0
lit3
lit6
le
$assert_tos_non0
lit3
lit3
le
$assert_tos_non0
lit6
lit3
le
$assert_tos_0
lit3
lit6
lt
$assert_tos_non0
lit3
lit3
lt
$assert_tos_0
lit6
lit3
lt
$assert_tos_0
lit3
lit6
ge
$assert_tos_0
lit3
lit3
ge
$assert_tos_non0
lit6
lit3
ge
$assert_tos_non0
lit3
lit6
gt
$assert_tos_0
lit3
lit3
gt
$assert_tos_0
lit6
lit3
gt
$assert_tos_non0
const1s -6
lit1
shr
lit0
gt
$assert_tos_non0
const1s -6
lit1
shra
lit0
lt
$assert_tos_non0
# Finally some result.
addr ptr
}]
if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile}] } {
return -1
}
# Make some DWARF for the test.
set asm_file [standard_output_file $srcfile2]
Dwarf::assemble $asm_file {
# Find start, end, and length of "func".
get_func_info func
# Creating a CU with 4-byte addresses lets this test link on both
# 32- and 64-bit machines.
cu { addr_size 4 } {
declare_labels int_label
compile_unit {
{name file1.txt}
{language @DW_LANG_C}
{low_pc $func_start addr}
{high_pc $func_end addr}
} {
global program
int_label: base_type {
{name int}
{byte_size 4 sdata}
{encoding @DW_ATE_signed}
}
subprogram {
{external 1 flag}
{name func}
{low_pc $func_start addr}
{high_pc $func_end addr}
} {
formal_parameter {
{name param}
{variable_parameter 1 flag}
{type :$int_label}
{location $program SPECIAL_expr}
}
formal_parameter {
{name optimized_out}
{variable_parameter 1 flag}
{type :$int_label}
}
}
}
}
}
if { [prepare_for_testing "failed to prepare" ${testfile} \
[list $srcfile $asm_file] {nodebug}] } {
return -1
}
if ![runto func] {
return -1
}
if {[skip_compile_feature_untested]} {
return -1
}
# If we have a bug, this will hang.
gdb_test_no_output "compile code (void) param"
# We can't access optimized-out variables, but their presence should
# not affect compilations that don't refer to them.
gdb_test "compile code optimized_out" \
".*optimized out.*Compilation failed."
|
