binutils-gdb/gdb/testsuite/gdb.guile/scm-math.exp
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# Copyright (C) 2008-2022 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/>.
# This file is part of the GDB testsuite.
# It tests <gdb:value> math operations.
load_lib gdb-guile.exp
standard_testfile
proc test_value_numeric_ops {} {
global gdb_prompt
gdb_scm_test_silent_cmd "gu (define i (make-value 5))" \
"create first integer value"
gdb_scm_test_silent_cmd "gu (define j (make-value 2))" \
"create second integer value"
gdb_test "gu (print (value-add i j))" \
"= 7" "add two integer values"
gdb_test "gu (raw-print (value-add i j))" \
"= #<gdb:value 7>" "verify type of integer add result"
gdb_scm_test_silent_cmd "gu (define f (make-value 1.25))" \
"create first double value"
gdb_scm_test_silent_cmd "gu (define g (make-value 2.5))" \
"create second double value"
gdb_test "gu (print (value-add f g))" \
"= 3.75" "add two double values"
gdb_test "gu (raw-print (value-add f g))" \
"= #<gdb:value 3.75>" "verify type of double add result"
gdb_test "gu (print (value-sub i j))" \
"= 3" "subtract two integer values"
gdb_test "gu (print (value-sub f g))" \
"= -1.25" "subtract two double values"
gdb_test "gu (print (value-mul i j))" \
"= 10" "multiply two integer values"
gdb_test "gu (print (value-mul f g))" \
"= 3.125" "multiply two double values"
gdb_test "gu (print (value-div i j))" \
"= 2" "divide two integer values"
gdb_test "gu (print (value-div f g))" \
"= 0.5" "divide two double values"
gdb_test "gu (print (value-rem i j))" \
"= 1" "take remainder of two integer values"
gdb_test "gu (print (value-mod i j))" \
"= 1" "take modulus of two integer values"
gdb_test "gu (print (value-pow i j))" \
"= 25" "integer value raised to the power of another integer value"
gdb_test "gu (print (value-pow g j))" \
"= 6.25" "double value raised to the power of integer value"
gdb_test "gu (print (value-neg i))" \
"= -5" "negated integer value"
gdb_test "gu (print (value-pos i))" \
"= 5" "positive integer value"
gdb_test "gu (print (value-neg f))" \
"= -1.25" "negated double value"
gdb_test "gu (print (value-pos f))" \
"= 1.25" "positive double value"
gdb_test "gu (print (value-abs (value-sub j i)))" \
"= 3" "absolute of integer value"
gdb_test "gu (print (value-abs (value-sub f g)))" \
"= 1.25" "absolute of double value"
gdb_test "gu (print (value-lsh i j))" \
"= 20" "left shift"
gdb_test "gu (print (value-rsh i j))" \
"= 1" "right shift"
gdb_test "gu (print (value-min i j))" \
"= 2" "min"
gdb_test "gu (print (value-max i j))" \
"= 5" "max"
gdb_test "gu (print (value-lognot i))" \
"= -6" "lognot"
gdb_test "gu (print (value-logand i j))" \
"= 0" "logand i j"
gdb_test "gu (print (value-logand 5 1))" \
"= 1" "logand 5 1"
gdb_test "gu (print (value-logior i j))" \
"= 7" "logior i j"
gdb_test "gu (print (value-logior 5 1))" \
"= 5" "logior 5 1"
gdb_test "gu (print (value-logxor i j))" \
"= 7" "logxor i j"
gdb_test "gu (print (value-logxor 5 1))" \
"= 4" "logxor 5 1"
# Test <gdb:value> mixed with Guile types.
gdb_test "gu (print (value-sub i 1))" \
"= 4" "subtract integer value from guile integer"
gdb_test "gu (raw-print (value-sub i 1))" \
"#<gdb:value 4>" \
"verify type of mixed integer subtraction result"
gdb_test "gu (print (value-add f 1.5))" \
"= 2.75" "add double value with guile float"
gdb_test "gu (print (value-sub 1 i))" \
"= -4" "subtract guile integer from integer value"
gdb_test "gu (print (value-add 1.5 f))" \
"= 2.75" "add guile float with double value"
# Enum conversion test.
gdb_test "print evalue" "= TWO"
gdb_test "gu (print (value->integer (history-ref 0)))" "= 2"
# Test pointer arithmetic.
# First, obtain the pointers.
gdb_test "print (void *) 2" ".*" ""
gdb_test_no_output "gu (define a (history-ref 0))"
gdb_test "print (void *) 5" ".*" ""
gdb_test_no_output "gu (define b (history-ref 0))"
gdb_test "gu (print (value-add a 5))" \
"= 0x7( <.*>)?" "add pointer value with guile integer"
gdb_test "gu (print (value-sub b 2))" \
"= 0x3( <.*>)?" "subtract guile integer from pointer value"
gdb_test "gu (print (value-sub b a))" \
"= 3" "subtract two pointer values"
# Test pointer creation.
gdb_test_no_output "gu (define void-pointer-type (type-pointer (arch-void-type (current-arch))))"
gdb_scm_test_silent_cmd "gu (define null-pointer (make-value 0 #:type void-pointer-type))" \
"test make-value with pointer type"
gdb_test "gu (print null-pointer)" "= 0x0"
gdb_test "gu (print (equal? (value-type null-pointer) void-pointer-type))" \
"= #t"
# Test some invalid operations.
gdb_test_multiple "gu (print (value-add i '()))" "catch error in guile type conversion" {
-re "Wrong type argument in position 2.*$gdb_prompt $" {pass "catch error in guile type conversion"}
-re "= .*$gdb_prompt $" {fail "catch error in guile type conversion"}
-re "$gdb_prompt $" {fail "catch error in guile type conversion"}
}
gdb_test_multiple "gu (print (value-add i \"foo\"))" "catch throw of GDB error" {
-re "Argument to arithmetic operation not a number or boolean.*$gdb_prompt $" {pass "catch throw of GDB error"}
-re "= .*$gdb_prompt $" {fail "catch throw of GDB error"}
-re "$gdb_prompt $" {fail "catch throw of GDB error"}
}
}
# Return the max signed int of size SIZE.
# TCL 8.5 required here. Use lookup table instead?
proc get_max_int { size } {
return [expr "(1 << ($size - 1)) - 1"]
}
# Return the min signed int of size SIZE.
# TCL 8.5 required here. Use lookup table instead?
proc get_min_int { size } {
return [expr "-(1 << ($size - 1))"]
}
# Return the max unsigned int of size SIZE.
# TCL 8.5 required here. Use lookup table instead?
proc get_max_uint { size } {
return [expr "(1 << $size) - 1"]
}
# Helper routine for test_value_numeric_ranges.
proc test_make_int_value { name size } {
set max [get_max_int $size]
set min [get_min_int $size]
set umax [get_max_uint $size]
gdb_test "gu (print (value-type (make-value $max)))" \
"= $name" "test make-value $name $size max"
gdb_test "gu (print (value-type (make-value $min)))" \
"= $name" "test make-value $name $size min"
gdb_test "gu (print (value-type (make-value $umax)))" \
"= unsigned $name" "test make-value unsigned $name $size umax"
}
# Helper routine for test_value_numeric_ranges.
proc test_make_typed_int_value { size } {
set name "int$size"
set uname "uint$size"
set max [get_max_int $size]
set min [get_min_int $size]
set umax [get_max_uint $size]
gdb_test "gu (print (make-value $max #:type (arch-${name}-type arch)))" \
"= $max" "test make-value $name $size max"
gdb_test "gu (print (make-value $min #:type (arch-${name}-type arch)))" \
"= $min" "test make-value $name $size min"
gdb_test "gu (print (make-value $umax #:type (arch-${uname}-type arch)))" \
"= $umax" "test make-value $uname $size umax"
gdb_test "gu (print (make-value (+ $max 1) #:type (arch-${name}-type arch)))" \
"ERROR.*Out of range.*" "test make-value $name $size max+1"
gdb_test "gu (print (make-value (- $min 1) #:type (arch-${name}-type arch)))" \
"ERROR.*Out of range.*" "test make-value $name $size min-1"
gdb_test "gu (print (make-value (+ $umax 1) #:type (arch-${uname}-type arch)))" \
"ERROR.*Out of range.*" "test make-value $uname $size umax+1"
}
proc test_value_numeric_ranges {} {
# We can't assume anything about sizeof (int), etc. on the target.
# Keep it simple for now, this will cover everything important for
# the major targets.
set int_size [get_sizeof "int" 0]
set long_size [get_sizeof "long" 0]
gdb_test_no_output "gu (define arch (current-arch))"
if { $int_size == 4 } {
test_make_int_value int 32
}
if { $long_size == 8} {
test_make_int_value long 64
}
gdb_test "gu (print (value-type (make-value (ash 1 64))))" \
"ERROR:.*value not a number representable.*" \
"test make-value, number too large"
foreach size { 8 16 32 } {
test_make_typed_int_value $size
}
if { $long_size == 8 } {
test_make_typed_int_value 64
}
}
# Helper routine for test_pointer_numeric_range.
proc test_make_pointer_value { size } {
set max [get_max_uint $size]
set max_hex [string repeat "f" [expr "$size / 4"]]
gdb_test "gu (print (make-value $max #:type void-pointer-type))" \
"= 0x$max_hex" "test make-value void* max"
gdb_test "gu (print (make-value 0 #:type void-pointer-type))" \
"= 0x0" "test make-value void* 0"
gdb_test "gu (print (make-value (+ $max 1) #:type void-pointer-type))" \
"ERROR.*Out of range.*" "test make-value void* max+1"
gdb_test "gu (print (make-value -1 #:type void-pointer-type))" \
"ERROR.*Out of range.*" "test make-value void* -1"
}
proc test_pointer_numeric_range {} {
# We can't assume anything about sizeof (void*) on the target.
# Keep it simple for now, this will cover everything important for
# the major targets.
set pointer_size [get_sizeof "void*" 0]
if { $pointer_size == 4 } {
test_make_pointer_value 32
}
if { $pointer_size == 8 } {
test_make_pointer_value 64
}
}
proc test_value_boolean {} {
# Note: Boolean values print as 0,1 because they are printed in the
# current language (in this case C).
gdb_test "gu (print (make-value #t))" "= 1" "create boolean true"
gdb_test "gu (print (make-value #f))" "= 0" "create boolean false"
gdb_test "gu (print (value-not (make-value #t)))" \
"= 0" "not true"
gdb_test "gu (print (value-not (make-value #f)))" \
"= 1" "not false"
gdb_test "gu (raw-print (make-value #t))" \
"#<gdb:value 1>" "verify type of boolean"
}
proc test_value_compare {} {
gdb_test "gu (print (value<? 1 1))" \
"#f" "less than, equal"
gdb_test "gu (print (value<? 1 2))" \
"#t" "less than, less"
gdb_test "gu (print (value<? 2 1))" \
"#f" "less than, greater"
gdb_test "gu (print (value<=? 1 1))" \
"#t" "less or equal, equal"
gdb_test "gu (print (value<=? 1 2))" \
"#t" "less or equal, less"
gdb_test "gu (print (value<=? 2 1))" \
"#f" "less or equal, greater"
gdb_test "gu (print (value=? 1 1))" \
"#t" "equality"
gdb_test "gu (print (value=? 1 2))" \
"#f" "inequality"
gdb_test "gu (print (value=? (make-value 1) 1.0))" \
"#t" "equality of gdb:value with Guile value"
gdb_test "gu (print (value=? (make-value 1) 2))" \
"#f" "inequality of gdb:value with Guile value"
gdb_test "gu (print (value>? 1 1))" \
"#f" "greater than, equal"
gdb_test "gu (print (value>? 1 2))" \
"#f" "greater than, less"
gdb_test "gu (print (value>? 2 1))" \
"#t" "greater than, greater"
gdb_test "gu (print (value>=? 1 1))" \
"#t" "greater or equal, equal"
gdb_test "gu (print (value>=? 1 2))" \
"#f" "greater or equal, less"
gdb_test "gu (print (value>=? 2 1))" \
"#t" "greater or equal, greater"
}
if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug c}]} {
return
}
# Skip all tests if Guile scripting is not enabled.
if { [skip_guile_tests] } { continue }
if ![gdb_guile_runto_main] {
return
}
test_value_numeric_ops
test_value_numeric_ranges
test_pointer_numeric_range
test_value_boolean
test_value_compare