info-shared-addr.exp   [plain text]

# Copyright 2003 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 2 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, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  

# This file was written by Jason Molenda (jmolenda@apple.com)

# This file tests the print-object command, ObjC syntax parsing, and
# inferior function calls.  All in one nifty package!


if $tracelevel then {
	strace $tracelevel
}

set prms_id 0
set bug_id 0

if [target_info exists noobjc64] {
    verbose "Disable Objective-C tests on 64-bit PowerPC."
    return
}

set testfile "objc-prog"
set srcfile ${testfile}.m
set binfile ${objdir}/${subdir}/${testfile}

if  { [gdb_compile "${srcdir}/${subdir}/$srcfile" "${binfile}" executable {debug additional_flags=-framework\ Foundation}] != "" } {
     gdb_suppress_entire_file "Testcase compile failed, so all tests in this fil
e will automatically fail."
}

proc do_libsystem_checks { run_name } {
  global decimal
  global hex
  global gdb_prompt

# Fetch libSystem's load addr # shlib num.

  set libsystem_shlib_num -1
  set libsystem_load_addr -1

  send_gdb "info sharedlibrary\n"
  gdb_expect {
    -re ".* ($decimal) libSystem.*libSystem.B.dylib at ($hex).*$gdb_prompt $" {
      pass "get libSystem's shlib number and load addr $run_name"
      set libsystem_shlib_num $expect_out(1,string)
      set libsystem_load_addr $expect_out(2,string)
    }
    -re ".*$gdb_prompt $" {
      fail "get libSystem's shlib number and load addr $run_name"
    }
    timeout   { fail "get libSystem's shlib number and load addr $run_name (timeout)" } 
  }

  send_gdb "p printf\n"
  gdb_expect {
    -re ".*no debug info.. ($hex) .printf.*$gdb_prompt $" {
      pass "get printf address $run_name"
      set printf_addr $expect_out(1,string)
    }
    -re ".*$gdb_prompt $" {
      fail "get printf address $run_name"
    }
    timeout   { fail "get printf address $run_name (timeout)" } 
  }

  gdb_test "info sharedlibrary $printf_addr" \
           ".* $libsystem_shlib_num .*libSystem.*at $libsystem_load_addr.*" \
           "info sh addr at libSystem's load address $run_name"

  gdb_test "info sharedlibrary printf" \
           ".* $libsystem_shlib_num .*libSystem.*at $libsystem_load_addr.*" \
           "info sh symbolic-name at libSystem's load address $run_name"

# Due to either an expect bug or a Panther bug, the following always fails.
# Do not ask me why.  I spent far, far, far too much time trying to make it
# work.

#  set printf_address -1
#  send_gdb "p printf\n"
#  gdb_expect {
#    -re ".*text variable.* ($hex) .*printf.*$gdb_prompt $" {
#      set printf_address $expect_out(1, string)
#      pass "get address of printf () $run_name"
#    }
#    timeout { fail "get address of printf () $run_name (timeout)" }
#  }
#  gdb_test "info sharedlibrary $printf_address" \
#           ".* $libsystem_shlib_num .*libSystem.*at $libsystem_load_addr.*" \
#           "info sh addr at printf's address $run_name"

# Due to either an expect bug or a Panther bug, the following always fails.
# Do not ask me why.  I spent far, far, far too much time trying to make it
# work.

#  set errno_address -1
#  send_gdb "p &errno\n"
#  gdb_expect {
#    -re ".*data variable.* ($hex).*$gdb_prompt $" {
#      pass "get address of errno $run_name"
#      set errno_address $expect_out(1, string)
#    }
#    timeout { fail "get address of errno $run_name (timeout)" }
#  }
#
#  gdb_test "info sharedlibrary $errno_address" \
#           ".* $libsystem_shlib_num .*libSystem.*at $libsystem_load_addr.*" \
#           "info sh addr at errno's address $run_name"

}



# Start with a fresh gdb

gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}

# Pre-execution testing

gdb_test "help info sharedlibrary" ".*Generic command for shlib infor.*info sharedlibrary ADDRESS. will show the dylib containing ADDRESS.*info sharedlibrary all.*"

do_libsystem_checks "pre-execution"


if ![runto_main] then { 
  fail "info-sh-address tests suppressed"
  return -1
}

gdb_test "info sharedlibrary 0x0" "\\\[unknown\\\]"
gdb_test "info sharedlibrary 0xffffffff" "\\\[unknown\\\]"

gdb_exit
return 0