1# Copyright (C) 1997, 1998, 2007 Free Software Foundation, Inc. 2 3# This program is free software; you can redistribute it and/or modify 4# it under the terms of the GNU General Public License as published by 5# the Free Software Foundation; either version 3 of the License, or 6# (at your option) any later version. 7# 8# This program is distributed in the hope that it will be useful, 9# but WITHOUT ANY WARRANTY; without even the implied warranty of 10# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11# GNU General Public License for more details. 12# 13# You should have received a copy of the GNU General Public License 14# along with this program. If not, see <http://www.gnu.org/licenses/>. 15 16# Please email any bugs, comments, and/or additions to this file to: 17# bug-gdb@prep.ai.mit.edu 18 19# GDB tests for names beginning with '$' 20 21# This is aimed at HP-UX systems where a lot of system 22# routines and names begin with '$' or '$$'. GDB 4.16 was 23# unable to deal with these names as they clashed with 24# convenience variables. Wildebeest should accept such 25# names in preference to convenience variables. 26 27# This file was written by Satish Pai <pai@apollo.hp.com> 28# 1997-09-24 29 30if $tracelevel then { 31 strace $tracelevel 32 } 33 34# 35# test running programs 36# 37set prms_id 0 38set bug_id 0 39 40if { [skip_hp_tests] } { continue } 41 42set testfile "dollar" 43set srcfile ${testfile}.c 44set binfile ${objdir}/${subdir}/${testfile} 45 46if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { 47 untested dollar.exp 48 return -1 49} 50 51#source ${binfile}.ci 52 53gdb_exit 54gdb_start 55gdb_reinitialize_dir $srcdir/$subdir 56gdb_load ${binfile} 57 58# 59# set it up at a breakpoint so we can play with the variable values 60# 61 62if ![runto_main] then { 63 perror "couldn't run to breakpoint" 64 continue 65} 66 67# Test for millicode routines 68# hppa64 does not support dyncall 69if ![istarget "hppa64*-*-*"] { 70send_gdb "print \$\$dyncall\n" 71gdb_expect { 72 -re "\\$\[0-9\]* = \\{<text variable, no debug info>\\} $hex <>.*$gdb_prompt $" { pass "print \$\$dyncall" } 73 -re "\\$\[0-9\]* = \\{<text variable, no debug info>\\} $hex <.*dyncall>.*$gdb_prompt $" { pass "print \$\$dyncall" } 74 -re "\\$\[0-9\]* = void" { fail "print \$\$dyncall -- interpreted as convenience var" } 75 -re "$gdb_prompt $" { fail "print \$\$dyncall" } 76 timeout { fail "(timeout) print \$\$dyncall" } 77} 78send_gdb "print \$\$dyncall_external\n" 79gdb_expect { 80 -re "\\$\[0-9\]* = \\{<text variable, no debug info>\\} $hex <>.*$gdb_prompt $" { pass "print \$\$dyncall_external" } 81 -re "\\$\[0-9\]* = \\{<text variable, no debug info>\\} $hex <.*dyncall_external>.*$gdb_prompt $" { pass "print \$\$dyncall_external" } 82 -re "\\$\[0-9\]* = void" { fail "print \$\$dyncall_external -- interpreted as convenience var" } 83 -re "$gdb_prompt $" { fail "print \$\$dyncall_external" } 84 timeout { fail "(timeout) print \$\$dyncall_external" } 85} 86 87# Set a breakpoint on a millicode routine 88send_gdb "break \$\$dyncall\n" 89gdb_expect { 90 -re "Breakpoint \[0-9\]* at $hex.*$gdb_prompt $" { pass "break \$\$dyncall" } 91 -re "Function.*not defined.*$gdb_prompt $" {fail "break \$\$dyncall -- no \$\$dyncall?" } 92 -re "Convenience variables used in line specs must have integer values\\..*$gdb_prompt $" { 93 fail "break \$\$dyncall -- treated as convenince variable" 94 } 95 -re "$gdb_prompt $" { fail "print break \$\$dyncall" } 96 timeout { fail "(timeout) print break \$\$dyncall" } 97} 98 99# Disassemble $$dyncall 100send_gdb "disassemble \$\$dyncall\n" 101gdb_expect { 102 -re "Dump of assembler code for function.*$gdb_prompt $" { pass "disas \$\$dyncall" } 103 -re "$gdb_prompt $" { fail "disas \$\$dyncall" } 104 timeout { fail "(timeout) disas \$\$dyncall" } 105} 106 107# Try to set $$dyncall like a convenience var. 108send_gdb "set \$\$dyncall = 77\n" 109gdb_expect { 110 -re "Invalid cast.*$gdb_prompt $" { pass "set \$\$dyncall = 77" } 111 -re "$gdb_prompt $" { fail "set \$\$dyncall = 77" } 112 timeout { fail "(timeout) set \$\$dyncall = 77" } 113} 114} 115 116# Try out some other $ name, not millicode 117if [istarget "hppa64*-*-*"] { 118 #hppa64 uses __argv instead of $ARGV. 119 send_gdb "print \__argv\n" 120 gdb_expect { 121 -re "\\$\[0-9\]* = \[0-9\]*.*$gdb_prompt $" { pass "print \__argv" } 122 -re "\\$\[0-9\]* = void.*$gdb_prompt $" { 123 fail "print \__argv (interpreted as convenience var)" 124 } 125 -re "$gdb_prompt $" { fail "print \__argv" } 126 timeout { fail "(timeout) print \__argv" } 127 } 128 129 send_gdb "ptype \__argv\n" 130 gdb_expect { 131 -re "type = <data variable, no debug info>.*$gdb_prompt $" { 132 pass "ptype \__argv" 133 } 134 -re "type = void.*$gdb_prompt $" { 135 fail "ptype \__argv (interpreted as convenience var)" 136 } 137 -re "$gdb_prompt $" { fail "ptype \__argv" } 138 timeout { fail "(timeout) ptype \__argv" } 139 } 140} else { 141send_gdb "print \$ARGV\n" 142gdb_expect { 143 -re "\\$\[0-9\]* = \[0-9\]*.*$gdb_prompt $" { pass "print \$ARGV" } 144 -re "\\$\[0-9\]* = void.*$gdb_prompt $" { fail "print \$ARGV (interpreted as convenience var)" } 145 -re "$gdb_prompt $" { fail "print \$ARGV" } 146 timeout { fail "(timeout) print \$ARGV" } 147} 148send_gdb "ptype \$ARGV\n" 149gdb_expect { 150 -re "type = <data variable, no debug info>.*$gdb_prompt $" { pass "ptype \$ARGV" } 151 -re "type = void.*$gdb_prompt $" { fail "ptype \$ARGV (interpreted as convenience var)" } 152 -re "$gdb_prompt $" { fail "ptype \$ARGV" } 153 timeout { fail "(timeout) ptype \$ARGV" } 154} 155} 156