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# Copyright 2016-2023 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/>.
load_lib dwarf.exp
# This test can only be run on targets which support DWARF-2 and use gas.
if {![dwarf2_support]} {
return 0
}
standard_testfile dw2-fixed-point.c dw2-fixed-point-dw.S
# Make some DWARF for the test.
set asm_file [standard_output_file $srcfile2]
Dwarf::assemble $asm_file {
cu {} {
DW_TAG_compile_unit {
{DW_AT_language @DW_LANG_Ada95}
{DW_AT_name pck.ads}
{DW_AT_comp_dir /tmp}
} {
declare_labels fp1_base_type fp2_base_type fp3_small \
fp3_base_type fp1_range_type
fp1_base_type: DW_TAG_base_type {
{DW_AT_byte_size 1 DW_FORM_sdata}
{DW_AT_encoding @DW_ATE_signed_fixed}
{DW_AT_name pck__fp1_type}
{DW_AT_binary_scale -4 DW_FORM_sdata}
}
DW_TAG_variable {
{DW_AT_name pck__fp1_var}
{DW_AT_type :$fp1_base_type}
{DW_AT_location {
DW_OP_addr [gdb_target_symbol pck__fp1_var]
} SPECIAL_expr}
{external 1 flag}
}
DW_TAG_variable {
{DW_AT_name pck__fp1_var2}
{DW_AT_type :$fp1_base_type}
{DW_AT_location {
DW_OP_addr [gdb_target_symbol pck__fp1_var2]
} SPECIAL_expr}
{external 1 flag}
}
fp2_base_type: DW_TAG_base_type {
{DW_AT_byte_size 1 DW_FORM_sdata}
{DW_AT_encoding @DW_ATE_signed_fixed}
{DW_AT_name pck__fp2_type}
{DW_AT_decimal_scale -2 DW_FORM_sdata}
}
DW_TAG_variable {
{DW_AT_name pck__fp2_var}
{DW_AT_type :$fp2_base_type}
{DW_AT_location {
DW_OP_addr [gdb_target_symbol pck__fp2_var]
} SPECIAL_expr}
{external 1 flag}
}
fp3_small: DW_TAG_constant {
{DW_AT_GNU_numerator 1 DW_FORM_data1}
{DW_AT_GNU_denominator 30 DW_FORM_sdata}
}
fp3_base_type: DW_TAG_base_type {
{DW_AT_byte_size 1 DW_FORM_sdata}
{DW_AT_encoding @DW_ATE_signed_fixed}
{DW_AT_name pck__fp3_type}
{DW_AT_small :$fp3_small}
}
DW_TAG_variable {
{DW_AT_name pck__fp3_var}
{DW_AT_type :$fp3_base_type}
{DW_AT_location {
DW_OP_addr [gdb_target_symbol pck__fp3_var]
} SPECIAL_expr}
{external 1 flag}
}
fp1_range_type: DW_TAG_subrange_type {
{DW_AT_lower_bound 0xf0 DW_FORM_data1}
{DW_AT_upper_bound 0x10 DW_FORM_data1}
{DW_AT_name foo__fp1_range_type}
{DW_AT_type :$fp1_base_type}
}
DW_TAG_variable {
{DW_AT_name pck__fp1_range_var}
{DW_AT_type :$fp1_range_type}
{DW_AT_location {
DW_OP_addr [gdb_target_symbol pck__fp1_range_var]
} SPECIAL_expr}
{external 1 flag}
}
}
}
}
if { [prepare_for_testing ${testfile}.exp ${testfile} \
[list $srcfile $asm_file] {nodebug}] } {
return -1
}
if ![runto_main] {
return -1
}
# Do the testing in Ada mode, since this is the language for which
# this feature has been implemented, and where we know the language
# has the concept of fixed-point types.
gdb_test_no_output "set lang ada"
gdb_test "print pck.fp1_var" \
" = 0.25"
gdb_test "print /x pck.fp1_var" \
" = 0x0"
gdb_test "print pck.fp2_var" \
" = -0.01"
gdb_test "print /x pck.fp2_var" \
" = 0x0"
gdb_test "print pck.fp3_var" \
" = 0.1"
gdb_test "print /x pck.fp3_var" \
" = 0x0"
gdb_test "print pck.fp1_range_var" \
" = 1"
gdb_test "print /x pck.fp1_range_var" \
" = 0x1"
gdb_test "print pck.fp1_var + 0.25" \
" = 0.5"
gdb_test "print pck.fp2_var - pck.fp2_var" \
" = 0"
gdb_test "print pck.fp3_var * 1" \
" = 0.1"
gdb_test "print pck.fp3_var / pck.fp3_var" \
" = 1"
gdb_test "print pck.fp3_var / 0" \
"Division by zero"
gdb_test "print pck.fp1_range_var - 0.5" \
" = 0.5"
gdb_test "print -pck.fp1_var" \
" = -0.25"
gdb_test "print pck.fp1_var = pck.fp1_var" \
" = true"
gdb_test "print pck.fp1_var = pck.fp1_var2" \
" = false"
gdb_test "print pck.fp1_var /= pck.fp1_var" \
" = false"
gdb_test "print pck.fp1_var /= pck.fp1_var2" \
" = true"
gdb_test "print pck.fp1_var < pck.fp1_var" \
" = false"
gdb_test "print pck.fp1_var < pck.fp1_var2" \
" = true"
gdb_test "print pck.fp1_var <= pck.fp1_var2" \
" = true"
gdb_test "print pck.fp1_var <= pck.fp1_var" \
" = true"
gdb_test "print pck.fp1_var > pck.fp1_var2" \
" = false"
gdb_test "print pck.fp1_var2 > pck.fp1_var" \
" = true"
gdb_test "print pck.fp1_var >= pck.fp1_var" \
" = true"
gdb_test "print pck.fp1_var >= pck.fp1_var2" \
" = false"
# Same as above, but with litterals...
gdb_test "print pck.fp1_var = 0.25" \
" = true"
gdb_test "print pck.fp1_var = 0.5" \
" = false"
gdb_test "print pck.fp1_var = 1" \
" = false"
gdb_test "print pck.fp1_var /= 0.25" \
" = false"
gdb_test "print pck.fp1_var /= 0.5" \
" = true"
gdb_test "print pck.fp1_var /= 1" \
" = true"
gdb_test "print pck.fp1_var < 0.25" \
" = false"
gdb_test "print pck.fp1_var < 0.5" \
" = true"
gdb_test "print pck.fp1_var < 1" \
" = true"
gdb_test "print pck.fp1_var <= 0.25" \
" = true"
gdb_test "print pck.fp1_var <= 0.5" \
" = true"
gdb_test "print pck.fp1_var <= 1" \
" = true"
gdb_test "print pck.fp1_var > 0.25" \
" = false"
gdb_test "print pck.fp1_var > 0.5" \
" = false"
gdb_test "print pck.fp1_var > 1" \
" = false"
gdb_test "print pck.fp1_var >= 0.25" \
" = true"
gdb_test "print pck.fp1_var >= 0.5" \
" = false"
gdb_test "print pck.fp1_var >= 1" \
" = false"
# Set the language to LANG and do a ptype test on pck__fp1_var,
# pck__fp2_var and pck__fp3_var, verifying that the output matches
# FP1_RE, FP2_RE, FP2_RE (resp.).
proc do_ptype_test {lang fp1_re fp2_re fp3_re fp1_range_re} {
with_test_prefix "lang=$lang" {
gdb_test_no_output "set language $lang" \
"set language to $lang for ptype test"
gdb_test "ptype pck__fp1_var" $fp1_re
gdb_test "ptype pck__fp2_var" $fp2_re
gdb_test "ptype pck__fp3_var" $fp3_re
gdb_test "ptype pck__fp1_range_var" $fp1_range_re
}
}
do_ptype_test "ada" \
" = <1-byte fixed point \\(small = 1/16\\)>" \
" = <1-byte fixed point \\(small = 1/100\\)>" \
" = <1-byte fixed point \\(small = 1/30\\)>" \
" = <1-byte fixed point \\(small = 1/16\\)>"
foreach lang [list "c" "d" "go" "objective-c" "opencl" ] {
do_ptype_test $lang \
" = 1-byte fixed point \\(small = 1/16\\)" \
" = 1-byte fixed point \\(small = 1/100\\)" \
" = 1-byte fixed point \\(small = 1/30\\)" \
" = <range type>"
}
do_ptype_test "fortran" \
" = pck__fp1_type" \
" = pck__fp2_type" \
" = pck__fp3_type" \
" = <range type>"
do_ptype_test "modula-2" \
" = pck__fp1_type" \
" = pck__fp2_type" \
" = pck__fp3_type" \
" = \\\[1-byte fixed point \\(small = 1/16\\)\\.\\.1-byte fixed point \\(small = 1/16\\)\\\]"
do_ptype_test "pascal" \
" = pck__fp1_type" \
" = pck__fp2_type" \
" = pck__fp3_type" \
" = 1-byte fixed point \\(small = 1/16\\)\\.\\.1-byte fixed point \\(small = 1/16\\)"
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