gdb/testsuite/gdb.arch/iwmmxt-regs.exp

   1 # Copyright 2007-2024 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
  17 # Tests for ARM iWMMXt register setting and fetching.
  18
  19 require {istarget "arm*-*-*"}
  20
  21 set testfile "iwmmxt-regs"
  22 set binfile ${objdir}/${subdir}/${testfile}
  23 set src1 ${srcdir}/${subdir}/${testfile}.c
  24
  25 # Try to compile the test case.  If we can't, assume this is not an
  26 # iWMMXt toolchain and bail out.
  27 if { [gdb_compile ${src1} ${binfile} executable {quiet debug}] != "" } {
  28     verbose "Skipping iWMMXt register tests."
  29     return
  30 }
  31
  32 gdb_start
  33 gdb_reinitialize_dir $srcdir/$subdir
  34 gdb_load ${binfile}
  35
  36 #
  37 # Run to `main' where we begin our tests.
  38 #
  39
  40 if {![runto_main]} {
  41     return 0
  42 }
  43
  44 # Set all the registers to arbitrary values.
  45 for {set i 0} {$i < 16} {incr i 1} {
  46     gdb_test "set \$wR$i.u64 = ((${i}LL << 32) | ${i})" "" "set reg wR$i"
  47 }
  48 gdb_test "set \$wCSSF = 300" "" "set reg wCSSF"
  49 gdb_test "set \$wCASF = 200" "" "set reg wCASF"
  50 for {set i 0} {$i < 4} {incr i 1} {
  51     gdb_test "set \$wCGR$i = 100 + $i" "" "set reg wCGR$i"
  52 }
  53
  54 # See if the sets stuck.
  55 gdb_test "next" ".*write_regs.*" "next over read_regs"
  56
  57 for {set i 0} {$i < 16} {incr i 1} {
  58     gdb_test "p \$wR$i.u64 == ((${i}LL << 32) | ${i})" "\\\$$decimal = 1" "test reg wR$i"
  59 }
  60 # Don't test wCSSF.
  61 gdb_test "p \$wCASF" "\\\$$decimal = 200" "test reg wCASF"
  62 for {set i 0} {$i < 4} {incr i 1} {
  63     gdb_test "p \$wCGR$i == 100 + $i" "\\\$$decimal = 1" "test reg wCGR$i"
  64 }
  65
  66 # Also verify the copies read by the target.
  67 for {set i 0} {$i < 16} {incr i 1} {
  68     gdb_test "p regs\[$i\] == ((${i}LL << 32) | ${i})" "\\\$$decimal = 1" "test stored wR$i"
  69 }
  70 # Don't test wcssf.
  71 gdb_test "p control_regs\[1\]" "\\\$$decimal = 200" "test stored wCASF"
  72 for {set i 0} {$i < 4} {incr i 1} {
  73     gdb_test "p control_regs\[$i + 2\] == 100 + $i" "\\\$$decimal = 1" "test stored wCGR$i"
  74 }