599 lines
17 KiB
Plaintext
599 lines
17 KiB
Plaintext
# Copyright 1998, 1999, 2000, 2007, 2008 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 was written by Elena Zannoni (ezannoni@cygnus.com)
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# This file is part of the gdb testsuite
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#
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# tests for pointer arithmetic and pointer dereferencing
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# with integer type variables and pointers to integers
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#
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if $tracelevel then {
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strace $tracelevel
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}
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#
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# test running programs
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#
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set prms_id 0
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set bug_id 0
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set testfile "pointers"
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set srcfile ${testfile}.c
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set binfile ${objdir}/${subdir}/${testfile}
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } {
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untested pointers.exp
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return -1
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}
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if [get_compiler_info ${binfile}] {
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return -1;
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}
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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#
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# set it up at a breakpoint so we can play with the variable values
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#
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if ![runto_main] then {
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perror "couldn't run to breakpoint"
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continue
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}
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gdb_test "next " "more_code.*;" "continuing after dummy()"
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#
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# let's see if gdb catches some illegal operations on pointers
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#
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# I must comment these out because strict type checking is not
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# supported in this version of GDB. I do not really know
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# what the expected gdb reply is.
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#
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#send_gdb "print v_int_pointer2 = &v_int_pointer\n"
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#gdb_expect {
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# -re ".*.*$gdb_prompt $" {
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# pass "illegal pointer assignment rejected"
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# }
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# -re ".*$gdb_prompt $" { fail "illegal pointer assignment rejected" }
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# timeout { fail "(timeout) illegal pointer assignment rejected" }
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# }
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#send_gdb "print v_unsigned_int_pointer = &v_int\n"
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#gdb_expect {
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# -re ".*.*$gdb_prompt $" {
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# pass "illegal pointer assignment rejected"
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# }
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# -re ".*$gdb_prompt $" { fail "illegal pointer assignment rejected" }
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# timeout { fail "(timeout) ilegal pointer assignment rejected" }
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# }
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#send_gdb "print v_unsigned_int_pointer == v_double_pointer\n"
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#gdb_expect {
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# -re ".*.*$gdb_prompt $" {
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# pass "illegal pointer operation (+) rejected"
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# }
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# -re ".*$gdb_prompt $" { fail "illegal pointer operation (+) rejected" }
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# timeout { fail "(timeout) illegal pointer operation (+) rejected" }
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# }
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#send_gdb "print v_unsigned_int_pointer * v_double_pointer\n"
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#gdb_expect {
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# -re ".*Argument to arithmetic operation not a number or boolean.*$gdb_prompt $" {
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# pass "illegal pointer operation (*) rejected"
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# }
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# -re ".*$gdb_prompt $" { fail "illegal pointer operation (*) rejected" }
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# timeout { fail "(timeout) illegal pointer operation (*) rejected" }
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# }
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#send_gdb "print v_unsigned_int_pointer = v_double_pointer\n"
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#gdb_expect {
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# -re ".*.*$gdb_prompt $" {
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# pass "ilegal pointer assignment rejected"
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# }
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# -re ".*$gdb_prompt $" { fail "illegal pointer assignment rejected" }
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# timeout { fail "(timeout) illegal pointer assignment rejected" }
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# }
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#send_gdb "print v_unsigned_int_pointer = v_unsigned_int\n"
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#gdb_expect {
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# -re ".*.*$gdb_prompt $" {
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# pass "illegal pointer assignment rejected"
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# }
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# -re ".*$gdb_prompt $" { fail "illegal pointer assignment rejected" }
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# timeout { fail "(timeout) illegal pointer assignment rejected" }
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# }
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gdb_test "set variable v_int_pointer=&v_int_array\[0\]" "" "set pointer to beginning of array"
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gdb_test "set variable v_int_pointer2=&v_int_array\[1\]" "" "set pointer to end of array"
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send_gdb "print *v_int_pointer\n"
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gdb_expect {
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-re ".*= 6.*$gdb_prompt $" {
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pass "print object pointed to"
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}
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-re ".*$gdb_prompt $" { fail "print object pointed to" }
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timeout { fail "(timeout) print object pointed to" }
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}
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send_gdb "print *v_int_pointer2\n"
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gdb_expect {
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-re ".*= 18.*$gdb_prompt $" {
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pass "print object pointed to"
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}
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-re ".*$gdb_prompt $" { fail "print object pointed to" }
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timeout { fail "(timeout) print object pointed to" }
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}
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send_gdb "print v_int_pointer == v_int_pointer2\n"
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gdb_expect {
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-re ".*= $false.*$gdb_prompt $" {
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pass "pointer1==pointer2"
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}
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-re ".*$gdb_prompt $" { fail "pointer1==pointer2" }
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timeout { fail "(timeout) pointer1==pointer2" }
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}
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send_gdb "print v_int_pointer != v_int_pointer2\n"
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gdb_expect {
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-re ".*= $true.*$gdb_prompt $" {
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pass "pointer1!=pointer2"
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}
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-re ".*$gdb_prompt $" { fail "pointer1!=pointer2" }
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timeout { fail "(timeout) pointer1!=pointer2" }
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}
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send_gdb "print v_int_pointer <= v_int_pointer2\n"
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gdb_expect {
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-re ".*= $true.*$gdb_prompt $" {
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pass "pointer1<=pointer2"
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}
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-re ".*$gdb_prompt $" { fail "pointer1<=pointer2" }
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timeout { fail "(timeout) pointer1<=pointer2" }
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}
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send_gdb "print v_int_pointer >= v_int_pointer2\n"
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gdb_expect {
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-re ".*= $false.*$gdb_prompt $" {
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pass "pointer1>=pointer2"
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}
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-re ".*$gdb_prompt $" { fail "pointer1>=pointer2" }
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timeout { fail "(timeout) pointer1>=pointer2" }
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}
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send_gdb "print v_int_pointer < v_int_pointer2\n"
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gdb_expect {
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-re ".*= $true.*$gdb_prompt $" {
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pass "pointer1<pointer2"
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}
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-re ".*$gdb_prompt $" { fail "pointer1<pointer2" }
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timeout { fail "(timeout) pointer1<pointer2" }
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}
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send_gdb "print v_int_pointer > v_int_pointer2\n"
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gdb_expect {
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-re ".*= $false.*$gdb_prompt $" {
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pass "pointer1>pointer2"
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}
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-re ".*$gdb_prompt $" { fail "pointer1>pointer2" }
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timeout { fail "(timeout) pointer1>pointer2" }
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}
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gdb_test "set variable y = *v_int_pointer++" "" "set y = *v_int_pointer++"
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send_gdb "print y\n"
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gdb_expect {
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-re ".*= 6.*$gdb_prompt $" {
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send_gdb "print *v_int_pointer\n"
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gdb_expect {
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-re ".*= 18.*$gdb_prompt $" {
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pass "pointer assignment and increment"
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}
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-re ".*$gdb_prompt $" { fail "pointer assignment and increment" }
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timeout { fail "(timeout) pointer assignment and increment" }
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}
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}
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-re ".*$gdb_prompt $" { fail "pointer assignment and increment" }
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timeout { fail "(timeout) pointer assignment and increment" }
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}
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gdb_test "set variable y = *--v_int_pointer2" "" "set y = *--v_int_pointer2"
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send_gdb "print y\n"
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gdb_expect {
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-re ".*= 6.*$gdb_prompt $" {
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send_gdb "print *v_int_pointer2\n"
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gdb_expect {
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-re ".*= 6.*$gdb_prompt $" {
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pass "pointer decrement and assignment"
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}
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-re ".*$gdb_prompt $" { fail "pointer decrement and assignment" }
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timeout { fail "(timeout) pointer decrement and assignment" }
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}
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}
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-re ".*$gdb_prompt $" { fail "pointer decrement and assignment" }
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timeout { fail "(timeout) pointer decrement and assignment" }
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}
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gdb_test "set variable y =v_int_pointer-v_int_pointer2" "" "set y =v_int_pointer-v_int_pointer2"
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send_gdb "print y\n"
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gdb_expect {
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-re ".*= 1.*$gdb_prompt $" {
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pass "pointer1-pointer2"
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}
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-re ".*$gdb_prompt $" { fail "pointer1-pointer2" }
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timeout { fail "(timeout) pointer1-pointer2" }
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}
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gdb_test "set variable v_int_pointer=v_int_array" "" "set v_int_pointer=v_int_array"
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send_gdb "print *v_int_pointer\n"
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gdb_expect {
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-re ".*= 6.*$gdb_prompt $" {
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pass "print array element through pointer"
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}
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-re ".*$gdb_prompt $" { fail "print array element through pointer" }
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timeout { fail "(timeout) print array element through pointer" }
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}
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send_gdb "print *(v_int_pointer+1)\n"
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gdb_expect {
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-re ".*= 18.*$gdb_prompt $" {
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pass "print array element through pointer"
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}
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-re ".*$gdb_prompt $" { fail "print array element through pointer" }
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timeout { fail "(timeout) print array element through pointer" }
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}
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# test print elements of array through pointers
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send_gdb "print (*rptr)\[0\]\n"
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gdb_expect {
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-re ".*= 0.*$gdb_prompt $" {
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pass "print array element through pointer"
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}
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-re ".*$gdb_prompt $" { fail "print array element through pointer" }
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timeout { fail "(timeout) print array element through pointer" }
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}
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send_gdb "print (*rptr)\[1\]\n"
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gdb_expect {
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-re ".*= 1.*$gdb_prompt $" {
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pass "print array element through pointer"
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}
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-re ".*$gdb_prompt $" { fail "print array element through pointer" }
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timeout { fail "(timeout) print array element through pointer" }
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}
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send_gdb "print (*rptr)\[2\]\n"
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gdb_expect {
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-re ".*= 2.*$gdb_prompt $" {
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pass "print array element through pointer"
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}
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-re ".*$gdb_prompt $" { fail "print array element through pointer" }
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timeout { fail "(timeout) print array element through pointer" }
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}
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gdb_test "set variable rptr = rptr+1" "" "increment rptr"
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send_gdb "print (*rptr)\[0\]\n"
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gdb_expect {
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-re ".*= 3.*$gdb_prompt $" {
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pass "print array element through pointer"
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}
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-re ".*$gdb_prompt $" { fail "print array element through pointer" }
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timeout { fail "(timeout) print array element through pointer" }
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}
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send_gdb "print (*rptr)\[1\]\n"
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gdb_expect {
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-re ".*= 4.*$gdb_prompt $" {
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pass "print array element through pointer"
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}
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-re ".*$gdb_prompt $" { fail "print array element through pointer" }
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timeout { fail "(timeout) print array element through pointer" }
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}
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send_gdb "print (*rptr)\[2\]\n"
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gdb_expect {
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-re ".*= 5.*$gdb_prompt $" {
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pass "print array element through pointer"
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}
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-re ".*$gdb_prompt $" { fail "print array element through pointer" }
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timeout { fail "(timeout) print array element through pointer" }
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}
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send_gdb "print *( *(matrix+1) +2)\n"
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gdb_expect {
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-re ".*= 5.*$gdb_prompt $" {
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pass "print array element w/ pointer arithmetic"
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}
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-re ".*$gdb_prompt $" { fail "print array element w/ pointer arithemtic" }
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timeout { fail "(timeout) print array element w/ pointer arithmetic" }
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}
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send_gdb "print **ptr_to_ptr_to_float\n"
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gdb_expect {
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-re ".*= 100.*$gdb_prompt $" {
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pass "print through ptr to ptr"
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}
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-re ".*$gdb_prompt $" { fail "print through ptr to ptr" }
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timeout { fail "(timeout) print through ptr to ptr" }
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}
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# tests for pointers
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# with elementary type variables and pointers.
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#
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send_gdb "break marker1\n" ; gdb_expect -re ".*$gdb_prompt $"
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send_gdb "cont\n"
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gdb_expect {
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-re "Break.* marker1 \\(\\) at .*:$decimal.*$gdb_prompt $" {
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pass "continue to marker1"
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send_gdb "up\n"
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gdb_expect {
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-re ".*more_code.*$gdb_prompt $" {
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pass "up from marker1"
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}
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-re ".*$gdb_prompt $" {
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fail "up from marker1"
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}
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timeout { fail "up from marker1 (timeout)" }
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}
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}
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-re "$gdb_prompt $" {
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fail "continue to marker1"
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}
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timeout {
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fail "continue to marker1 (timeout)"
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}
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}
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send_gdb "print *pUC\n"
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gdb_expect {
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-re ".\[0-9\]* = 21 \'.025\'.*$gdb_prompt $" {
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pass "print value of *pUC"
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}
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-re ".*$gdb_prompt $" { fail "print value of *pUC" }
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timeout { fail "(timeout) print value of *pUC" }
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}
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send_gdb "ptype pUC\n"
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gdb_expect {
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-re "type = unsigned char \\*.*$gdb_prompt $" { pass "ptype pUC" }
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-re ".*$gdb_prompt $" { fail "ptype pUC" }
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timeout { fail "(timeout) ptype pUC" }
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}
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send_gdb "print *pS\n"
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gdb_expect {
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-re ".\[0-9\]* = -14.*$gdb_prompt $" {
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pass "print value of *pS"
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}
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-re ".*$gdb_prompt $" { fail "print value of *pS" }
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timeout { fail "(timeout) print value of *pS" }
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}
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send_gdb "ptype pS\n"
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gdb_expect {
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-re "type = short \\*.*$gdb_prompt $" { pass "ptype pS" }
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-re "type = short int \\*.*$gdb_prompt $" { pass "ptype pS" }
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-re ".*$gdb_prompt $" { fail "ptype pS" }
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timeout { fail "(timeout) ptype pS" }
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}
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send_gdb "print *pUS\n"
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gdb_expect {
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-re ".\[0-9\]* = 7.*$gdb_prompt $" {
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pass "print value of *pUS"
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}
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-re ".*$gdb_prompt $" { fail "print value of *pUS" }
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timeout { fail "(timeout) print value of *pUS" }
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}
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send_gdb "ptype pUS\n"
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gdb_expect {
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-re "type = unsigned short \\*.*$gdb_prompt $" { pass "ptype pUS" }
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-re "type = short unsigned int \\*.*$gdb_prompt $" { pass "ptype pUS" }
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-re ".*$gdb_prompt $" { fail "ptype pUS" }
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timeout { fail "(timeout) ptype pUS" }
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}
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send_gdb "print *pI\n"
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gdb_expect {
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-re ".\[0-9\]* = 102.*$gdb_prompt $" {
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pass "print value of *pI"
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}
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-re ".*$gdb_prompt $" { fail "print value of *pI" }
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timeout { fail "(timeout) print value of *pI" }
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}
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send_gdb "ptype pI\n"
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gdb_expect {
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-re "type = int \\*.*$gdb_prompt $" { pass "ptype pI" }
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-re ".*$gdb_prompt $" { fail "ptype pI" }
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timeout { fail "(timeout) ptype pI" }
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}
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send_gdb "print *pUI\n"
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gdb_expect {
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-re ".\[0-9\]* = 1002.*$gdb_prompt $" {
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pass "print value of *pUI"
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}
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-re ".*$gdb_prompt $" { fail "print value of *pUI" }
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timeout { fail "(timeout) print value of *pUI" }
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}
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send_gdb "ptype pUI\n"
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gdb_expect {
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-re "type = unsigned int \\*.*$gdb_prompt $" { pass "ptype pUI" }
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-re ".*$gdb_prompt $" { fail "ptype pUI" }
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timeout { fail "(timeout) ptype pUI" }
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}
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send_gdb "print *pL\n"
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gdb_expect {
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-re ".\[0-9\]* = -234.*$gdb_prompt $" {
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pass "print value of *pL"
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}
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-re ".*$gdb_prompt $" { fail "print value of *pL" }
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timeout { fail "(timeout) print value of *pL" }
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}
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send_gdb "ptype pL\n"
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gdb_expect {
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-re "type = long \\*.*$gdb_prompt $" { pass "ptype pL" }
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-re "type = long int \\*.*$gdb_prompt $" { pass "ptype pL" }
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-re ".*$gdb_prompt $" { fail "ptype pL" }
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timeout { fail "(timeout) ptype pL" }
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}
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send_gdb "print *pUL\n"
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gdb_expect {
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-re ".\[0-9\]* = 234.*$gdb_prompt $" {
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pass "print value of *pUL"
|
|
}
|
|
-re ".*$gdb_prompt $" { fail "print value of *pUL" }
|
|
timeout { fail "(timeout) print value of *pUL" }
|
|
}
|
|
|
|
|
|
send_gdb "ptype pUL\n"
|
|
gdb_expect {
|
|
-re "type = unsigned long \\*.*$gdb_prompt $" { pass "ptype pUL" }
|
|
-re "type = long unsigned int \\*.*$gdb_prompt $" { pass "ptype pUL" }
|
|
-re ".*$gdb_prompt $" { fail "ptype pUL" }
|
|
timeout { fail "(timeout) ptype pUL" }
|
|
}
|
|
|
|
send_gdb "print *pF\n"
|
|
gdb_expect {
|
|
-re ".\[0-9\]* = 1.2\[0-9\]*e\\+10.*$gdb_prompt $" {
|
|
pass "print value of *pF"
|
|
}
|
|
-re ".*$gdb_prompt $" { fail "print value of *pF" }
|
|
timeout { fail "(timeout) print value of *pF" }
|
|
}
|
|
|
|
|
|
send_gdb "ptype pF\n"
|
|
gdb_expect {
|
|
-re "type = float \\*.*$gdb_prompt $" { pass "ptype pF" }
|
|
-re ".*$gdb_prompt $" { fail "ptype pF" }
|
|
timeout { fail "(timeout) ptype pF" }
|
|
}
|
|
|
|
send_gdb "print *pD\n"
|
|
gdb_expect {
|
|
-re ".\[0-9\]* = -1.2\[0-9\]*e\\-37.*$gdb_prompt $" {
|
|
pass "print value of *pD"
|
|
}
|
|
-re ".*$gdb_prompt $" { fail "print value of *pD" }
|
|
timeout { fail "(timeout) print value of *pD" }
|
|
}
|
|
|
|
|
|
send_gdb "ptype pD\n"
|
|
gdb_expect {
|
|
-re "type = double \\*.*$gdb_prompt $" { pass "ptype pD" }
|
|
-re ".*$gdb_prompt $" { fail "ptype pD" }
|
|
timeout { fail "(timeout) ptype pD" }
|
|
}
|
|
|
|
send_gdb "print ******ppppppC\n"
|
|
gdb_expect {
|
|
-re ".\[0-9\]* = 65 \'A\'.*$gdb_prompt $" {
|
|
pass "print value of ******ppppppC"
|
|
}
|
|
-re ".*$gdb_prompt $" { fail "print value of ******ppppppC" }
|
|
timeout { fail "(timeout) print value of ******ppppppC" }
|
|
}
|
|
|
|
|
|
send_gdb "ptype pC\n"
|
|
gdb_expect {
|
|
-re "type = char \\*.*$gdb_prompt $" { pass "ptype pC" }
|
|
-re ".*$gdb_prompt $" { fail "ptype pC" }
|
|
timeout { fail "(timeout) ptype pC" }
|
|
}
|
|
|
|
send_gdb "ptype ppC\n"
|
|
gdb_expect {
|
|
-re "type = char \\*\\*.*$gdb_prompt $" { pass "ptype ppC" }
|
|
-re ".*$gdb_prompt $" { fail "ptype ppC" }
|
|
timeout { fail "(timeout) ptype ppC" }
|
|
}
|
|
|
|
send_gdb "ptype pppC\n"
|
|
gdb_expect {
|
|
-re "type = char \\*\\*\\*.*$gdb_prompt $" { pass "ptype pppC" }
|
|
-re ".*$gdb_prompt $" { fail "ptype pppC" }
|
|
timeout { fail "(timeout) ptype pppC" }
|
|
}
|
|
|
|
send_gdb "ptype ppppC\n"
|
|
gdb_expect {
|
|
-re "type = char \\*\\*\\*\\*.*$gdb_prompt $" { pass "ptype ppppC" }
|
|
-re ".*$gdb_prompt $" { fail "ptype ppppC" }
|
|
timeout { fail "(timeout) ptype ppppC" }
|
|
}
|
|
|
|
send_gdb "ptype pppppC\n"
|
|
gdb_expect {
|
|
-re "type = char \\*\\*\\*\\*\\*.*$gdb_prompt $" { pass "ptype pppppC" }
|
|
-re ".*$gdb_prompt $" { fail "ptype pppppC" }
|
|
timeout { fail "(timeout) ptype pppppC" }
|
|
}
|
|
|
|
send_gdb "ptype ppppppC\n"
|
|
gdb_expect {
|
|
-re "type = char \\*\\*\\*\\*\\*\\*.*$gdb_prompt $" { pass "ptype ppppppC" }
|
|
-re ".*$gdb_prompt $" { fail "ptype ppppppC" }
|
|
timeout { fail "(timeout) ptype ppppppC" }
|
|
}
|
|
|