e22f8b7c8c
Switch the license of all .f and .f90 files to GPLv3.
Switch the license of all .s and .S files to GPLv3.
229 lines
6.3 KiB
Text
229 lines
6.3 KiB
Text
# Copyright 2003, 2004, 2007 Free Software Foundation, Inc.
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#
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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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#
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# Please email any bugs, comments, and/or additions to this file to:
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# bug-gdb@prep.ai.mit.edu
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#
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# Tests for Powerpc E500 register setting and fetching
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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 the use of registers, especially E500 registers, for Powerpc.
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# This file uses e500-regs.c for input.
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#
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set prms_id 0
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set bug_id 0
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if ![istarget "powerpc-*eabispe"] then {
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verbose "Skipping e500 register tests."
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return
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}
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set testfile "e500-regs"
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set binfile ${objdir}/${subdir}/${testfile}
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set src1 ${srcdir}/${subdir}/${testfile}.c
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if { [gdb_compile ${src1} ${binfile} executable {debug nowarnings}] != "" } {
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untested e500-regs.exp
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return -1
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}
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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#
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# Run to `main' where we begin our tests.
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#
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if ![runto_main] then {
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gdb_suppress_tests
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}
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# set all the registers integer portions to 1
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for {set i 0} {$i < 32} {incr i 1} {
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for {set j 0} {$j < 2} {incr j 1} {
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gdb_test "set \$ev$i.v2_int32\[$j\] = 1" "" "set reg ev$i.v4si.f\[$j\]"
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}
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}
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# Now execute some target code, so that GDB's register cache is flushed.
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#gdb_test "next" "" ""
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send_gdb "show endian\n"
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gdb_expect {
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-re "(The target endianness is set automatically .currently )(big|little)( endian.*)$gdb_prompt $" {
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pass "endianness"
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set endianness $expect_out(2,string)
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}
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-re ".*$gdb_prompt $" {
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fail "couldn't get endianness"
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}
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timeout { fail "(timeout) endianness" }
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}
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# And then read the E500 registers back, to see that
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# a) the register write above worked, and
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# b) the register read (below) also works.
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if {$endianness == "big"} {
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set vector_register ".uint64 = 0x100000001, v2_float = .0x0, 0x0., v2_int32 = .0x1, 0x1., v4_int16 = .0x0, 0x1, 0x0, 0x1., v8_int8 = .0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1.."
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} else {
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set vector_register ".uint64 = 0x100000001, v2_float = .0x0, 0x0., v2_int32 = .0x1, 0x1., v4_int16 = .0x1, 0x0, 0x1, 0x0., v8_int8 = .0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0.."
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}
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for {set i 0} {$i < 32} {incr i 1} {
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gdb_test "info reg ev$i" "ev$i.*$vector_register" "info reg ev$i"
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}
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# Test wether the GPRs are updated accordingly. (GPRs are just the lower
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# 32 bits of the EV registers.)
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set general_register "0x1\[ \t\]+1"
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for {set i 0} {$i < 32} {incr i 1} {
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gdb_test "info reg r$i" "r$i.*$general_register" "info reg r$i"
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}
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# Now redo the same tests, but using the print command.
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# Note: in LE case, the char array is printed WITHOUT the last character.
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# Gdb treats the terminating null char in the array like the terminating
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# null char in a string and doesn't print it. This is not a failure, but
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# the way gdb works.
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if {$endianness == "big"} {
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set decimal_vector ".uint64 = 4294967297, v2_float = .1.*e-45, 1.*e-45., v2_int32 = .1, 1., v4_int16 = .0, 1, 0, 1., v8_int8 = ..000.000.000.001.000.000.000.001.."
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} else {
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set decimal_vector ".uint64 = 4294967297, v2_float = .1.*e-45, 1.*e-45., v2_int32 = .1, 1., v4_int16 = .1, 0, 1, 0., v8_int8 = ..001.000.000.000.001.000.000.."
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}
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for {set i 0} {$i < 32} {incr i 1} {
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gdb_test "print \$ev$i" ".* = $decimal_vector" "print ev$i"
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}
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for {set i 0} {$i < 32} {incr i 1} {
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set pattern$i ".*ev$i.*"
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append pattern$i $vector_register
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}
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send_gdb "info vector\n"
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gdb_expect_list "info vector" ".*$gdb_prompt $" {
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[$pattern0]
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[$pattern1]
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[$pattern2]
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[$pattern3]
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[$pattern4]
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[$pattern5]
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[$pattern6]
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[$pattern7]
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[$pattern8]
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[$pattern9]
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[$pattern10]
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[$pattern11]
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[$pattern12]
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[$pattern13]
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[$pattern14]
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[$pattern15]
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[$pattern16]
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[$pattern17]
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[$pattern18]
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[$pattern19]
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[$pattern20]
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[$pattern21]
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[$pattern22]
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[$pattern23]
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[$pattern24]
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[$pattern25]
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[$pattern26]
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[$pattern27]
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[$pattern28]
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[$pattern29]
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[$pattern30]
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[$pattern31]
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}
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# We must restart everything, because we have set important registers to
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# some unusual values.
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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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if ![runto_main] then {
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gdb_suppress_tests
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}
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gdb_test "break vector_fun" \
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"Breakpoint 2 at.*e500-regs.c, line \[0-9\]+\\." \
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"Set breakpoint at vector_fun"
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# Actually it is nuch easier to see these results printed in hex.
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# gdb_test "set output-radix 16" \
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# "Output radix now set to decimal 16, hex 10, octal 20." \
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# "Set output radix to hex"
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gdb_test "continue" \
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"Breakpoint 2, vector_fun .a=.-2, -2., b=.1, 1.*e500-regs.c.*ev_create_s32 .2, 2.;" \
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"continue to vector_fun"
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# Do a next over the assignment to vector 'a'.
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gdb_test "next" ".*b = \\(vector int\\) __ev_create_s32 \\(3, 3\\);" \
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"next (1)"
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# Do a next over the assignment to vector 'b'.
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gdb_test "next" "c = __ev_and \\(a, b\\);" \
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"next (2)"
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# Now 'a' should be '0x02020202...' and 'b' should be '0x03030303...'
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gdb_test "print/x a" \
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".*= .0x2, 0x2." \
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"print vector parameter a"
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gdb_test "print/x b" \
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".*= .0x3, 0x3." \
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"print vector parameter b"
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# If we do an 'up' now, and print 'x' and 'y' we should see the values they
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# have in main, not the values they have in vector_fun.
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gdb_test "up" ".1.*main \\(\\) at.*e500-regs.c.*z = vector_fun \\(x, y\\);" \
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"up to main"
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gdb_test "print x" \
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".*= .-2, -2." \
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"print vector x"
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gdb_test "print y" \
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".*= .1, 1." \
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"print vector y"
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# now go back to vector_func and do a finish, to see if we can print the return
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# value correctly.
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gdb_test "down" \
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".0 vector_fun \\(a=.2, 2., b=.3, 3.\\) at.*e500-regs.c.*c = __ev_and \\(a, b\\);" \
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"down to vector_fun"
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gdb_test "finish" \
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"Run till exit from .0 vector_fun \\(a=.2, 2., b=.3, 3.\\) at.*e500-regs.c.*main \\(\\) at.*e500-regs.c.*z = vector_fun \\(x, y\\);.*Value returned is.*= .2, 2." \
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"finish returned correct value"
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