| 1 | # Copyright (C) 2002 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 2 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, write to the Free Software |
| 15 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 16 | # |
| 17 | # Please email any bugs, comments, and/or additions to this file to: |
| 18 | # bug-gdb@prep.ai.mit.edu |
| 19 | # |
| 20 | |
| 21 | # Tests for Powerpc AltiVec register setting and fetching |
| 22 | |
| 23 | if $tracelevel then { |
| 24 | strace $tracelevel |
| 25 | } |
| 26 | |
| 27 | # |
| 28 | # Test the use of registers, especially AltiVec registers, for Powerpc. |
| 29 | # This file uses altivec-regs.c for input. |
| 30 | # |
| 31 | |
| 32 | set prms_id 0 |
| 33 | set bug_id 0 |
| 34 | |
| 35 | if ![istarget "powerpc-*altivec"] then { |
| 36 | verbose "Skipping altivec register tests." |
| 37 | return |
| 38 | } |
| 39 | |
| 40 | set testfile "altivec-regs" |
| 41 | set binfile ${objdir}/${subdir}/${testfile} |
| 42 | set src1 ${srcdir}/${subdir}/${testfile}.c |
| 43 | |
| 44 | if { [gdb_compile ${src1} ${binfile} executable {debug additional_flags=-w}] != "" } { |
| 45 | gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." |
| 46 | } |
| 47 | |
| 48 | gdb_start |
| 49 | gdb_reinitialize_dir $srcdir/$subdir |
| 50 | gdb_load ${binfile} |
| 51 | |
| 52 | # |
| 53 | # Run to `main' where we begin our tests. |
| 54 | # |
| 55 | |
| 56 | if ![runto_main] then { |
| 57 | gdb_suppress_tests |
| 58 | } |
| 59 | |
| 60 | # set all the registers integer portions to 1 |
| 61 | for {set i 0} {$i < 32} {incr i 1} { |
| 62 | for {set j 0} {$j < 4} {incr j 1} { |
| 63 | gdb_test "set \$vr$i.v4_int32\[$j\] = 1" "" "set reg vr$i.v4si.f\[$j\]" |
| 64 | } |
| 65 | } |
| 66 | |
| 67 | gdb_test "set \$vscr = 1" "" "" |
| 68 | gdb_test "set \$vrsave = 1" "" "" |
| 69 | |
| 70 | # Now execute some target code, so that GDB's register cache is flushed. |
| 71 | |
| 72 | gdb_test "next" "" "" |
| 73 | |
| 74 | send_gdb "show endian\n" |
| 75 | gdb_expect { |
| 76 | -re "(The target endianness is set automatically .currently )(big|little)( endian.*)$gdb_prompt $" { |
| 77 | pass "endianness" |
| 78 | set endianness $expect_out(2,string) |
| 79 | } |
| 80 | -re ".*$gdb_prompt $" { |
| 81 | fail "couldn't get endianness" |
| 82 | } |
| 83 | timeout { fail "(timeout) endianness" } |
| 84 | } |
| 85 | |
| 86 | # And then read the AltiVec registers back, to see that |
| 87 | # a) the register write above worked, and |
| 88 | # b) the register read (below) also works. |
| 89 | |
| 90 | if {$endianness == "big"} { |
| 91 | set vector_register ".uint128 = 0x00000001000000010000000100000001, v4_float = .0x0, 0x0, 0x0, 0x0., v4_int32 = .0x1, 0x1, 0x1, 0x1., v8_int16 = .0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1., v16_int8 = .0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1.." |
| 92 | } else { |
| 93 | set vector_register ".uint128 = 0x00000001000000010000000100000001, v4_float = .0x0, 0x0, 0x0, 0x0., v4_int32 = .0x1, 0x1, 0x1, 0x1., v8_int16 = .0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0., v16_int8 = .0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0.." |
| 94 | } |
| 95 | |
| 96 | for {set i 0} {$i < 32} {incr i 1} { |
| 97 | gdb_test "info reg vr$i" "vr$i.*$vector_register" "info reg vr$i" |
| 98 | } |
| 99 | |
| 100 | gdb_test "info reg vrsave" "vrsave.*0x1" "info reg vrsave" |
| 101 | gdb_test "info reg vscr" "vscr.*0x1" "info reg vscr" |
| 102 | |
| 103 | # Now redo the same tests, but using the print command. |
| 104 | # Note: in LE case, the char array is printed WITHOUT the last character. |
| 105 | # Gdb treats the terminating null char in the array like the terminating |
| 106 | # null char in a string and doesn't print it. This is not a failure, but |
| 107 | # the way gdb works. |
| 108 | |
| 109 | if {$endianness == "big"} { |
| 110 | set decimal_vector ".uint128 = 0x00000001000000010000000100000001, v4_float = .1.*e-45, 1.*e-45, 1.*e-45, 1.*e-45., v4_int32 = .1, 1, 1, 1., v8_int16 = .0, 1, 0, 1, 0, 1, 0, 1., v16_int8 = ..0.0.0.001.0.0.0.001.0.0.0.001.0.0.0.001.." |
| 111 | } else { |
| 112 | set decimal_vector ".uint128 = 0x00000001000000010000000100000001, v4_float = .1.*e-45, 1.*e-45, 1.*e-45, 1.*e-45., v4_int32 = .1, 1, 1, 1., v8_int16 = .1, 0, 1, 0, 1, 0, 1, 0., v16_int8 = ..001.0.0.0.001.0.0.0.001.0.0.0.001.0.0.." |
| 113 | } |
| 114 | |
| 115 | for {set i 0} {$i < 32} {incr i 1} { |
| 116 | gdb_test "print \$vr$i" ".* = $decimal_vector" "print vr$i" |
| 117 | } |
| 118 | |
| 119 | gdb_test "print \$vrsave" ".* = 1" "print vrsave" |
| 120 | gdb_test "print \$vscr" ".* = 1" "print vscr" |
| 121 | |
| 122 | for {set i 0} {$i < 32} {incr i 1} { |
| 123 | set pattern$i ".*vr$i.*" |
| 124 | append pattern$i $vector_register |
| 125 | } |
| 126 | |
| 127 | send_gdb "info powerpc altivec\n" |
| 128 | gdb_expect_list "info powerpc altivec" ".*$gdb_prompt $" { |
| 129 | [$pattern0] |
| 130 | [$pattern1] |
| 131 | [$pattern2] |
| 132 | [$pattern3] |
| 133 | [$pattern4] |
| 134 | [$pattern5] |
| 135 | [$pattern6] |
| 136 | [$pattern7] |
| 137 | [$pattern8] |
| 138 | [$pattern9] |
| 139 | [$pattern10] |
| 140 | [$pattern11] |
| 141 | [$pattern12] |
| 142 | [$pattern13] |
| 143 | [$pattern14] |
| 144 | [$pattern15] |
| 145 | [$pattern16] |
| 146 | [$pattern17] |
| 147 | [$pattern18] |
| 148 | [$pattern19] |
| 149 | [$pattern20] |
| 150 | [$pattern21] |
| 151 | [$pattern22] |
| 152 | [$pattern23] |
| 153 | [$pattern24] |
| 154 | [$pattern25] |
| 155 | [$pattern26] |
| 156 | [$pattern27] |
| 157 | [$pattern28] |
| 158 | [$pattern29] |
| 159 | [$pattern30] |
| 160 | [$pattern31] |
| 161 | "\[ \t\n\r\]+vscr\[ \t\]+0x1" |
| 162 | "\[ \t\n\r\]+vrsave\[ \t\]+0x1" |
| 163 | } |
| 164 | |
| 165 | gdb_test "break vector_fun" \ |
| 166 | "Breakpoint 2 at.*altivec-regs.c, line \[0-9\]+\\." \ |
| 167 | "Set breakpoint at vector_fun" |
| 168 | |
| 169 | # Actually it is nuch easier to see these results printed in hex. |
| 170 | gdb_test "set output-radix 16" \ |
| 171 | "Output radix now set to decimal 16, hex 10, octal 20." \ |
| 172 | "Set output radix to hex" |
| 173 | |
| 174 | gdb_test "continue" \ |
| 175 | "Breakpoint 2, vector_fun .a=.0xfefefefe, 0xfefefefe, 0xfefefefe, 0xfefefefe., b=.0x1010101, 0x1010101, 0x1010101, 0x1010101.*altivec-regs.c.*vec_splat_u8.2..;" \ |
| 176 | "continue to vector_fun" |
| 177 | |
| 178 | # Do a next over the assignment to vector 'a'. |
| 179 | gdb_test "next" ".*b = \\(\\(vector unsigned int\\) vec_splat_u8\\(3\\)\\);" \ |
| 180 | "next (1)" |
| 181 | |
| 182 | # Do a next over the assignment to vector 'b'. |
| 183 | gdb_test "next" "c = vec_add \\(a, b\\);" \ |
| 184 | "next (2)" |
| 185 | |
| 186 | # Now 'a' should be '0x02020202...' and 'b' should be '0x03030303...' |
| 187 | gdb_test "print/x a" \ |
| 188 | ".*= .0x2020202, 0x2020202, 0x2020202, 0x2020202." \ |
| 189 | "print vector parameter a" |
| 190 | |
| 191 | gdb_test "print/x b" \ |
| 192 | ".*= .0x3030303, 0x3030303, 0x3030303, 0x3030303." \ |
| 193 | "print vector parameter b" |
| 194 | |
| 195 | # If we do an 'up' now, and print 'x' and 'y' we should see the values they |
| 196 | # have in main, not the values they have in vector_fun. |
| 197 | gdb_test "up" ".1.*main \\(\\) at.*altivec-regs.c.*z = vector_fun \\(x, y\\);" \ |
| 198 | "up to main" |
| 199 | |
| 200 | gdb_test "print/x x" \ |
| 201 | ".*= .0xfefefefe, 0xfefefefe, 0xfefefefe, 0xfefefefe." \ |
| 202 | "print vector x" |
| 203 | |
| 204 | gdb_test "print/x y" \ |
| 205 | ".*= .0x1010101, 0x1010101, 0x1010101, 0x1010101." \ |
| 206 | "print vector y" |
| 207 | |
| 208 | # now go back to vector_func and do a finish, to see if we can print the return |
| 209 | # value correctly. |
| 210 | |
| 211 | gdb_test "down" \ |
| 212 | ".0 vector_fun \\(a=.0x2020202, 0x2020202, 0x2020202, 0x2020202., b=.0x3030303, 0x3030303, 0x3030303, 0x3030303.\\) at.*altivec-regs.c.*c = vec_add \\(a, b\\);" \ |
| 213 | "down to vector_fun" |
| 214 | |
| 215 | gdb_test "finish" \ |
| 216 | "Run till exit from .0 vector_fun \\(a=.0x2020202, 0x2020202, 0x2020202, 0x2020202., b=.0x3030303, 0x3030303, 0x3030303, 0x3030303.\\) at.*altivec-regs.c.*in main \\(\\) at.*altivec-regs.c.*z = vector_fun \\(x, y\\);.*Value returned is.*= .0x5050505, 0x5050505, 0x5050505, 0x5050505." \ |
| 217 | "finish returned correct value" |
| 218 | |
| 219 | |
| 220 | |