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https://sourceware.org/git/binutils-gdb.git
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310 lines
10 KiB
Plaintext
310 lines
10 KiB
Plaintext
# Copyright (C) 2008-2018 Free Software Foundation, Inc.
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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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#
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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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#
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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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# This file is part of the GDB testsuite.
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# It tests <gdb:value> math operations.
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load_lib gdb-guile.exp
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standard_testfile
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proc test_value_numeric_ops {} {
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global gdb_prompt
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gdb_scm_test_silent_cmd "gu (define i (make-value 5))" \
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"create first integer value"
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gdb_scm_test_silent_cmd "gu (define j (make-value 2))" \
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"create second integer value"
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gdb_test "gu (print (value-add i j))" \
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"= 7" "add two integer values"
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gdb_test "gu (raw-print (value-add i j))" \
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"= #<gdb:value 7>" "verify type of integer add result"
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gdb_scm_test_silent_cmd "gu (define f (make-value 1.25))" \
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"create first double value"
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gdb_scm_test_silent_cmd "gu (define g (make-value 2.5))" \
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"create second double value"
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gdb_test "gu (print (value-add f g))" \
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"= 3.75" "add two double values"
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gdb_test "gu (raw-print (value-add f g))" \
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"= #<gdb:value 3.75>" "verify type of double add result"
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gdb_test "gu (print (value-sub i j))" \
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"= 3" "subtract two integer values"
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gdb_test "gu (print (value-sub f g))" \
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"= -1.25" "subtract two double values"
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gdb_test "gu (print (value-mul i j))" \
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"= 10" "multiply two integer values"
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gdb_test "gu (print (value-mul f g))" \
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"= 3.125" "multiply two double values"
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gdb_test "gu (print (value-div i j))" \
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"= 2" "divide two integer values"
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gdb_test "gu (print (value-div f g))" \
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"= 0.5" "divide two double values"
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gdb_test "gu (print (value-rem i j))" \
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"= 1" "take remainder of two integer values"
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gdb_test "gu (print (value-mod i j))" \
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"= 1" "take modulus of two integer values"
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gdb_test "gu (print (value-pow i j))" \
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"= 25" "integer value raised to the power of another integer value"
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gdb_test "gu (print (value-pow g j))" \
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"= 6.25" "double value raised to the power of integer value"
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gdb_test "gu (print (value-neg i))" \
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"= -5" "negated integer value"
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gdb_test "gu (print (value-pos i))" \
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"= 5" "positive integer value"
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gdb_test "gu (print (value-neg f))" \
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"= -1.25" "negated double value"
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gdb_test "gu (print (value-pos f))" \
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"= 1.25" "positive double value"
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gdb_test "gu (print (value-abs (value-sub j i)))" \
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"= 3" "absolute of integer value"
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gdb_test "gu (print (value-abs (value-sub f g)))" \
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"= 1.25" "absolute of double value"
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gdb_test "gu (print (value-lsh i j))" \
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"= 20" "left shift"
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gdb_test "gu (print (value-rsh i j))" \
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"= 1" "right shift"
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gdb_test "gu (print (value-min i j))" \
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"= 2" "min"
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gdb_test "gu (print (value-max i j))" \
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"= 5" "max"
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gdb_test "gu (print (value-lognot i))" \
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"= -6" "lognot"
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gdb_test "gu (print (value-logand i j))" \
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"= 0" "logand i j"
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gdb_test "gu (print (value-logand 5 1))" \
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"= 1" "logand 5 1"
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gdb_test "gu (print (value-logior i j))" \
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"= 7" "logior i j"
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gdb_test "gu (print (value-logior 5 1))" \
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"= 5" "logior 5 1"
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gdb_test "gu (print (value-logxor i j))" \
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"= 7" "logxor i j"
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gdb_test "gu (print (value-logxor 5 1))" \
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"= 4" "logxor 5 1"
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# Test <gdb:value> mixed with Guile types.
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gdb_test "gu (print (value-sub i 1))" \
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"= 4" "subtract integer value from guile integer"
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gdb_test "gu (raw-print (value-sub i 1))" \
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"#<gdb:value 4>" \
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"verify type of mixed integer subtraction result"
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gdb_test "gu (print (value-add f 1.5))" \
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"= 2.75" "add double value with guile float"
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gdb_test "gu (print (value-sub 1 i))" \
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"= -4" "subtract guile integer from integer value"
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gdb_test "gu (print (value-add 1.5 f))" \
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"= 2.75" "add guile float with double value"
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# Enum conversion test.
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gdb_test "print evalue" "= TWO"
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gdb_test "gu (print (value->integer (history-ref 0)))" "= 2"
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# Test pointer arithmetic.
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# First, obtain the pointers.
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gdb_test "print (void *) 2" ".*" ""
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gdb_test_no_output "gu (define a (history-ref 0))"
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gdb_test "print (void *) 5" ".*" ""
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gdb_test_no_output "gu (define b (history-ref 0))"
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gdb_test "gu (print (value-add a 5))" \
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"= 0x7( <.*>)?" "add pointer value with guile integer"
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gdb_test "gu (print (value-sub b 2))" \
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"= 0x3( <.*>)?" "subtract guile integer from pointer value"
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gdb_test "gu (print (value-sub b a))" \
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"= 3" "subtract two pointer values"
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# Test some invalid operations.
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gdb_test_multiple "gu (print (value-add i '()))" "catch error in guile type conversion" {
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-re "Wrong type argument in position 2.*$gdb_prompt $" {pass "catch error in guile type conversion"}
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-re "= .*$gdb_prompt $" {fail "catch error in guile type conversion"}
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-re "$gdb_prompt $" {fail "catch error in guile type conversion"}
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}
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gdb_test_multiple "gu (print (value-add i \"foo\"))" "catch throw of GDB error" {
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-re "Argument to arithmetic operation not a number or boolean.*$gdb_prompt $" {pass "catch throw of GDB error"}
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-re "= .*$gdb_prompt $" {fail "catch throw of GDB error"}
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-re "$gdb_prompt $" {fail "catch throw of GDB error"}
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}
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}
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# Return the max signed int of size SIZE.
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# TCL 8.5 required here. Use lookup table instead?
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proc get_max_int { size } {
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return [expr "(1 << ($size - 1)) - 1"]
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}
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# Return the min signed int of size SIZE.
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# TCL 8.5 required here. Use lookup table instead?
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proc get_min_int { size } {
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return [expr "-(1 << ($size - 1))"]
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}
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# Return the max unsigned int of size SIZE.
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# TCL 8.5 required here. Use lookup table instead?
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proc get_max_uint { size } {
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return [expr "(1 << $size) - 1"]
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}
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# Helper routine for test_value_numeric_ranges.
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proc test_make_int_value { name size } {
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set max [get_max_int $size]
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set min [get_min_int $size]
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set umax [get_max_uint $size]
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gdb_test "gu (print (value-type (make-value $max)))" \
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"= $name" "test make-value $name $size max"
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gdb_test "gu (print (value-type (make-value $min)))" \
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"= $name" "test make-value $name $size min"
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gdb_test "gu (print (value-type (make-value $umax)))" \
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"= unsigned $name" "test make-value unsigned $name $size umax"
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}
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# Helper routine for test_value_numeric_ranges.
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proc test_make_typed_int_value { size } {
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set name "int$size"
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set uname "uint$size"
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set max [get_max_int $size]
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set min [get_min_int $size]
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set umax [get_max_uint $size]
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gdb_test "gu (print (make-value $max #:type (arch-${name}-type arch)))" \
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"= $max" "test make-value $name $size max"
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gdb_test "gu (print (make-value $min #:type (arch-${name}-type arch)))" \
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"= $min" "test make-value $name $size min"
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gdb_test "gu (print (make-value $umax #:type (arch-${uname}-type arch)))" \
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"= $umax" "test make-value $uname $size umax"
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gdb_test "gu (print (make-value (+ $max 1) #:type (arch-${name}-type arch)))" \
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"ERROR.*Out of range.*" "test make-value $name $size max+1"
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gdb_test "gu (print (make-value (- $min 1) #:type (arch-${name}-type arch)))" \
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"ERROR.*Out of range.*" "test make-value $name $size min-1"
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gdb_test "gu (print (make-value (+ $umax 1) #:type (arch-${uname}-type arch)))" \
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"ERROR.*Out of range.*" "test make-value $uname $size umax+1"
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}
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proc test_value_numeric_ranges {} {
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# We can't assume anything about sizeof (int), etc. on the target.
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# Keep it simple for now, this will cover everything important for
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# the major targets.
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set int_size [get_sizeof "int" 0]
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set long_size [get_sizeof "long" 0]
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gdb_test_no_output "gu (define arch (current-arch))"
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if { $int_size == 4 } {
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test_make_int_value int 32
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}
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if { $long_size == 8} {
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test_make_int_value long 64
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}
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gdb_test "gu (print (value-type (make-value (ash 1 64))))" \
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"ERROR:.*value not a number representable.*" \
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"test make-value, number too large"
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foreach size { 8 16 32 } {
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test_make_typed_int_value $size
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}
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if { $long_size == 8 } {
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test_make_typed_int_value 64
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}
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}
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proc test_value_boolean {} {
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# Note: Boolean values print as 0,1 because they are printed in the
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# current language (in this case C).
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gdb_test "gu (print (make-value #t))" "= 1" "create boolean true"
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gdb_test "gu (print (make-value #f))" "= 0" "create boolean false"
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gdb_test "gu (print (value-not (make-value #t)))" \
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"= 0" "not true"
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gdb_test "gu (print (value-not (make-value #f)))" \
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"= 1" "not false"
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gdb_test "gu (raw-print (make-value #t))" \
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"#<gdb:value 1>" "verify type of boolean"
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}
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proc test_value_compare {} {
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gdb_test "gu (print (value<? 1 1))" \
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"#f" "less than, equal"
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gdb_test "gu (print (value<? 1 2))" \
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"#t" "less than, less"
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gdb_test "gu (print (value<? 2 1))" \
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"#f" "less than, greater"
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gdb_test "gu (print (value<=? 1 1))" \
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"#t" "less or equal, equal"
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gdb_test "gu (print (value<=? 1 2))" \
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"#t" "less or equal, less"
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gdb_test "gu (print (value<=? 2 1))" \
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"#f" "less or equal, greater"
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gdb_test "gu (print (value=? 1 1))" \
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"#t" "equality"
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gdb_test "gu (print (value=? 1 2))" \
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"#f" "inequality"
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gdb_test "gu (print (value=? (make-value 1) 1.0))" \
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"#t" "equality of gdb:value with Guile value"
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gdb_test "gu (print (value=? (make-value 1) 2))" \
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"#f" "inequality of gdb:value with Guile value"
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gdb_test "gu (print (value>? 1 1))" \
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"#f" "greater than, equal"
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gdb_test "gu (print (value>? 1 2))" \
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"#f" "greater than, less"
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gdb_test "gu (print (value>? 2 1))" \
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"#t" "greater than, greater"
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gdb_test "gu (print (value>=? 1 1))" \
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"#t" "greater or equal, equal"
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gdb_test "gu (print (value>=? 1 2))" \
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"#f" "greater or equal, less"
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gdb_test "gu (print (value>=? 2 1))" \
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"#t" "greater or equal, greater"
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}
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if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug c}]} {
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return
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}
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# Skip all tests if Guile scripting is not enabled.
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if { [skip_guile_tests] } { continue }
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if ![gdb_guile_runto_main] {
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return
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}
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test_value_numeric_ops
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test_value_numeric_ranges
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test_value_boolean
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test_value_compare
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