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# Copyright (C) 1997-2014 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/>.
# GDB tests for names beginning with '$'
# This is aimed at HP-UX systems where a lot of system
# routines and names begin with '$' or '$$'. GDB 4.16 was
# unable to deal with these names as they clashed with
# convenience variables. Wildebeest should accept such
# names in preference to convenience variables.
# This file was written by Satish Pai <pai@apollo.hp.com>
# 1997-09-24
#
# test running programs
#
if { [skip_hp_tests] } { continue }
set testfile "dollar"
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
untested dollar.exp
return -1
}
#source ${binfile}.ci
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}
#
# set it up at a breakpoint so we can play with the variable values
#
if ![runto_main] then {
perror "couldn't run to breakpoint"
continue
}
# Test for millicode routines
# hppa64 does not support dyncall
if ![istarget "hppa64*-*-*"] {
send_gdb "print \$\$dyncall\n"
gdb_expect {
-re "\\$\[0-9\]* = \\{<text variable, no debug info>\\} $hex <>.*$gdb_prompt $" { pass "print \$\$dyncall" }
-re "\\$\[0-9\]* = \\{<text variable, no debug info>\\} $hex <.*dyncall>.*$gdb_prompt $" { pass "print \$\$dyncall" }
-re "\\$\[0-9\]* = void" { fail "print \$\$dyncall -- interpreted as convenience var" }
-re "$gdb_prompt $" { fail "print \$\$dyncall" }
timeout { fail "(timeout) print \$\$dyncall" }
}
send_gdb "print \$\$dyncall_external\n"
gdb_expect {
-re "\\$\[0-9\]* = \\{<text variable, no debug info>\\} $hex <>.*$gdb_prompt $" { pass "print \$\$dyncall_external" }
-re "\\$\[0-9\]* = \\{<text variable, no debug info>\\} $hex <.*dyncall_external>.*$gdb_prompt $" { pass "print \$\$dyncall_external" }
-re "\\$\[0-9\]* = void" { fail "print \$\$dyncall_external -- interpreted as convenience var" }
-re "$gdb_prompt $" { fail "print \$\$dyncall_external" }
timeout { fail "(timeout) print \$\$dyncall_external" }
}
# Set a breakpoint on a millicode routine
send_gdb "break \$\$dyncall\n"
gdb_expect {
-re "Breakpoint \[0-9\]* at $hex.*$gdb_prompt $" { pass "break \$\$dyncall" }
-re "Function.*not defined.*$gdb_prompt $" {fail "break \$\$dyncall -- no \$\$dyncall?" }
-re "Convenience variables used in line specs must have integer values\\..*$gdb_prompt $" {
fail "break \$\$dyncall -- treated as convenince variable"
}
-re "$gdb_prompt $" { fail "print break \$\$dyncall" }
timeout { fail "(timeout) print break \$\$dyncall" }
}
# Disassemble $$dyncall
send_gdb "disassemble \$\$dyncall\n"
gdb_expect {
-re "Dump of assembler code for function.*$gdb_prompt $" { pass "disas \$\$dyncall" }
-re "$gdb_prompt $" { fail "disas \$\$dyncall" }
timeout { fail "(timeout) disas \$\$dyncall" }
}
# Try to set $$dyncall like a convenience var.
send_gdb "set \$\$dyncall = 77\n"
gdb_expect {
-re "Invalid cast.*$gdb_prompt $" { pass "set \$\$dyncall = 77" }
-re "$gdb_prompt $" { fail "set \$\$dyncall = 77" }
timeout { fail "(timeout) set \$\$dyncall = 77" }
}
}
# Try out some other $ name, not millicode
if [istarget "hppa64*-*-*"] {
#hppa64 uses __argv instead of $ARGV.
send_gdb "print \__argv\n"
gdb_expect {
-re "\\$\[0-9\]* = \[0-9\]*.*$gdb_prompt $" { pass "print \__argv" }
-re "\\$\[0-9\]* = void.*$gdb_prompt $" {
fail "print \__argv (interpreted as convenience var)"
}
-re "$gdb_prompt $" { fail "print \__argv" }
timeout { fail "(timeout) print \__argv" }
}
send_gdb "ptype \__argv\n"
gdb_expect {
-re "type = <data variable, no debug info>.*$gdb_prompt $" {
pass "ptype \__argv"
}
-re "type = void.*$gdb_prompt $" {
fail "ptype \__argv (interpreted as convenience var)"
}
-re "$gdb_prompt $" { fail "ptype \__argv" }
timeout { fail "(timeout) ptype \__argv" }
}
} else {
send_gdb "print \$ARGV\n"
gdb_expect {
-re "\\$\[0-9\]* = \[0-9\]*.*$gdb_prompt $" { pass "print \$ARGV" }
-re "\\$\[0-9\]* = void.*$gdb_prompt $" { fail "print \$ARGV (interpreted as convenience var)" }
-re "$gdb_prompt $" { fail "print \$ARGV" }
timeout { fail "(timeout) print \$ARGV" }
}
send_gdb "ptype \$ARGV\n"
gdb_expect {
-re "type = <data variable, no debug info>.*$gdb_prompt $" { pass "ptype \$ARGV" }
-re "type = void.*$gdb_prompt $" { fail "ptype \$ARGV (interpreted as convenience var)" }
-re "$gdb_prompt $" { fail "ptype \$ARGV" }
timeout { fail "(timeout) ptype \$ARGV" }
}
}
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