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old-cross-binutils/gdb/testsuite/gdb.base/long_long.exp
Scott Bambrough f1a6b754ab 2000-02-25 Scott Bambrough <scottb@netwinder.org> 
* gdb.base/long_long.exp: Correct test suite failure when printing
	a long long value as a double on ARM platforms.

ARM doubles use a hybrid endian format.  It is not strictly little or big
endian.  It is little endian with the words swapped.
2000-03-09 21:55:40 +00:00

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# Copyright (C) 1997, 1998, 1999, 2000 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. */
# Please email any bugs, comments, and/or additions to this file to:
# bug-gdb@prep.ai.mit.edu
# long_long.exp Test printing of 64-bit things in 32-bit gdb.
# Also test differnet kinds of formats.
#
if $tracelevel then {
strace $tracelevel
}
set testfile long_long
set srcfile ${srcdir}/${subdir}/${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}
# What compiler are we using?
#
if [get_compiler_info ${binfile}] {
return -1
}
if {$hp_cc_compiler} {
set flag "+e"
} else {
set flag ""
}
if { [gdb_compile "${srcfile}" "${binfile}" executable [concat debug "additional_flags=$flag -w"]] != "" } {
gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
}
# use this to debug:
#log_user 1
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}
if { ![runto known_types] } then {
fail "run to known_types"
return
}
set target_bigendian_p 1
send_gdb "show endian\n"
gdb_expect {
-re ".*little endian.*$gdb_prompt $" { set target_bigendian_p 0 }
-re ".*big endian.*$gdb_prompt $" { }
-re ".*$gdb_prompt $" {
fail "getting target endian"
}
default { fail "(timeout) getting target endian" }
}
# Detect targets with 2-byte integers. Yes, it's not general to assume
# that all others have 4-byte ints, but don't worry about it until one
# actually exists.
set sizeof_int 4
send_gdb "print sizeof(int)\n"
gdb_expect {
-re ".* = 2.*$gdb_prompt $" { set sizeof_int 2 }
-re ".*$gdb_prompt $" { }
default { }
}
# Detect targets with 4-byte doubles.
set sizeof_double 8
send_gdb "print sizeof(double)\n"
gdb_expect {
-re ".* = 4.*$gdb_prompt $" { set sizeof_double 4 }
-re ".*$gdb_prompt $" { }
default { }
}
gdb_test "n 4" ".*38.*" "get to known place"
# Check the hack for long long prints.
#
gdb_test "p/x hex" ".*0x0*0.*" "hex print p/x"
gdb_test "p/x dec" ".*0xab54a98ceb1f0ad2.*" "decimal print p/x"
# see if 'p/<code>' is handled same as 'p /<code>'
#
gdb_test "p /x dec" ".*0xab54a98ceb1f0ad2.*" "default print dec"
gdb_test "p /x bin" ".*0x0*123456789abcdef.*" "default print bin"
gdb_test "p /x oct" ".*0xa72ee53977053977.*" "default print oct"
gdb_test "p hex" ".*= 0*x*0*0.*" "default print hex"
gdb_test "p/u dec" ".*12345678901234567890.*" "decimal print p/u"
gdb_test "p/t bin" ".*0*100100011010001010110011110001001101010111100110111101111.*" "binary print"
gdb_test "p/o oct" ".*01234567123456701234567.*" "octal print"
gdb_test "p /d bin" ".*81985529216486895.*" "print +ve long long"
gdb_test "p/d dec" ".*-6101065172474983726.*" "decimal print p/d"
# Try all the combinations to bump up coverage.
#
gdb_test "p/d oct" ".*-6399925985474168457.*"
gdb_test "p/u oct" ".*12046818088235383159.*"
gdb_test "p/o oct" ".*.*"
gdb_test "p/t oct" ".*1010011100101110111001010011100101110111000001010011100101110111.*"
gdb_test "p/a oct" ".*0x.*77053977.*"
gdb_test "p/c oct" ".*'w'.*"
if { $sizeof_double == 8 } {
# ARM floating point numbers are not strictly little endian or big endian,
# but a hybrid. They are in little endian format with the two words
# swapped in big endian format.
if [ istarget "arm*-*-*" ] then {
# assume the long long represents a floating point double in ARM format
gdb_test "p/f oct" ".*2.1386676354387559e\\+265.*"
} else {
# assume the long long represents a floating point double in little
# endian format
gdb_test "p/f oct" ".*-5.9822653797615723e-120.*"
}
} else {
gdb_test "p/f oct" ".*-2.42716126e-15.*"
}
if { $target_bigendian_p } {
if { $sizeof_int == 4 } {
gdb_test "p/d *(int *)&oct" ".*-1490098887.*"
gdb_test "p/u *(int *)&oct" ".*2804868409.*"
gdb_test "p/o *(int *)&oct" ".*024713562471.*"
gdb_test "p/t *(int *)&oct" ".*10100111001011101110010100111001.*"
gdb_test "p/a *(int *)&oct" ".*0xf*a72ee539.*"
gdb_test "p/c *(int *)&oct" ".*57 '9'.*"
gdb_test "p/f *(int *)&oct" ".*-2.42716126e-15.*"
} else {
gdb_test "p/d *(int *)&oct" ".*-22738.*"
gdb_test "p/u *(int *)&oct" ".*42798.*"
gdb_test "p/o *(int *)&oct" ".*0123456.*"
gdb_test "p/t *(int *)&oct" ".*1010011100101110.*"
gdb_test "p/a *(int *)&oct" ".*0xffffa72e.*"
gdb_test "p/c *(int *)&oct" ".*46 '.'.*"
gdb_test "p/f *(int *)&oct" ".*-22738.*"
}
gdb_test "p/d *(short *)&oct" ".*-22738.*"
gdb_test "p/u *(short *)&oct" ".*42798.*"
gdb_test "p/o *(short *)&oct" ".*0123456.*"
gdb_test "p/t *(short *)&oct" ".*1010011100101110.*"
gdb_test "p/a *(short *)&oct" ".*0xf*ffffa72e.*"
gdb_test "p/c *(short *)&oct" ".* 46 '.'.*"
gdb_test "p/a *(short *)&oct" ".*0xf*ffffa72e.*"
gdb_test "p/f *(short *)&oct" ".*-22738.*"
gdb_test "x/x &oct" ".*0xa72ee539.*"
gdb_test "x/d &oct" ".*.-1490098887*"
gdb_test "x/u &oct" ".*2804868409.*"
gdb_test "x/o &oct" ".*024713562471.*"
gdb_test "x/t &oct" ".*10100111001011101110010100111001.*"
gdb_test "x/a &oct" ".*0xa72ee539.*"
gdb_test "x/c &oct" ".*-89 .*"
# FIXME GDB's output is correct, but this longer match fails.
# gdb_test "x/c &oct" ".*-89 '\\\\247'.*"
if { $sizeof_double == 8 } {
gdb_test "x/f &oct" ".*-5.9822653797615723e-120.*"
} else {
gdb_test "x/f &oct" ".*-2.42716126e-15.*"
}
# FIXME Fill in the results for all the following tests. (But be careful
# about looking at locations with unspecified contents!)
gdb_test "x/2x &oct" ".*0xa72ee53977053977.*"
gdb_test "x/2d &oct" ".*-6399925985474168457.*"
gdb_test "x/2u &oct" ".*.*"
gdb_test "x/2o &oct" ".*.*"
gdb_test "x/2t &oct" ".*.*"
gdb_test "x/2a &oct" ".*.*"
gdb_test "x/2c &oct" ".*.*"
gdb_test "x/2f &oct" ".*.*"
gdb_test "x/2bx &oct" ".*.*"
gdb_test "x/2bd &oct" ".*.*"
gdb_test "x/2bu &oct" ".*.*"
gdb_test "x/2bo &oct" ".*.*"
gdb_test "x/2bt &oct" ".*.*"
gdb_test "x/2ba &oct" ".*.*"
gdb_test "x/2bc &oct" ".*.*"
gdb_test "x/2bf &oct" ".*.*"
gdb_test "x/2hx &oct" ".*.*"
gdb_test "x/2hd &oct" ".*.*"
gdb_test "x/2hu &oct" ".*.*"
gdb_test "x/2ho &oct" ".*.*"
gdb_test "x/2ht &oct" ".*.*"
gdb_test "x/2ha &oct" ".*.*"
gdb_test "x/2hc &oct" ".*.*"
gdb_test "x/2hf &oct" ".*.*"
gdb_test "x/2wx &oct" ".*.*"
gdb_test "x/2wd &oct" ".*.*"
gdb_test "x/2wu &oct" ".*.*"
gdb_test "x/2wo &oct" ".*.*"
gdb_test "x/2wt &oct" ".*.*"
gdb_test "x/2wa &oct" ".*.*"
gdb_test "x/2wc &oct" ".*.*"
gdb_test "x/2wf &oct" ".*.*"
gdb_test "x/2gx &oct" ".*.*"
gdb_test "x/2gd &oct" ".*.*"
gdb_test "x/2gu &oct" ".*.*"
gdb_test "x/2go &oct" ".*.*"
gdb_test "x/2gt &oct" ".*.*"
gdb_test "x/2ga &oct" ".*.*"
gdb_test "x/2gc &oct" ".*.*"
gdb_test "x/2gf &oct" ".*.*"
} else {
# FIXME Add little-endian versions of these tests, or define a
# gdb_test_bi with two strings to match on.
}
gdb_exit
return 0
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