1 files changed, 229 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.arch/e500-regs.exp b/gdb/testsuite/gdb.arch/e500-regs.exp
new file mode 100644
index 00000000000..9224704b219
--- /dev/null
+++ b/gdb/testsuite/gdb.arch/e500-regs.exp
@@ -0,0 +1,229 @@
+# 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.
+#
+# Please email any bugs, comments, and/or additions to this file to:
+# bug-gdb@prep.ai.mit.edu
+#
+
+# Tests for Powerpc E500 register setting and fetching
+
+if $tracelevel then {
+    strace $tracelevel
+}
+
+#
+# Test the use of registers, especially E500 registers, for Powerpc.
+# This file uses e500-regs.c for input.
+#
+
+set prms_id 0
+set bug_id 0
+
+if ![istarget "powerpc-*eabispe"] then {
+    verbose "Skipping e500 register tests."
+    return
+}
+
+set testfile "e500-regs"
+set binfile ${objdir}/${subdir}/${testfile}
+set src1 ${srcdir}/${subdir}/${testfile}.c
+
+if  { [gdb_compile ${src1} ${binfile} executable {debug additional_flags=-w}] != "" } {
+     gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
+}
+
+gdb_start
+gdb_reinitialize_dir $srcdir/$subdir
+gdb_load ${binfile}
+
+#
+# Run to `main' where we begin our tests.
+#
+
+if ![runto_main] then {
+    gdb_suppress_tests
+}
+
+# set all the registers integer portions to 1
+for {set i 0} {$i < 32} {incr i 1} {
+        for {set j 0} {$j < 2} {incr j 1} {
+           gdb_test "set \$ev$i.v2_int32\[$j\] = 1" "" "set reg ev$i.v4si.f\[$j\]"
+        }
+}
+
+# Now execute some target code, so that GDB's register cache is flushed.
+
+#gdb_test "next" "" ""
+
+send_gdb "show endian\n"
+gdb_expect {
+    -re "(The target endianness is set automatically .currently )(big|little)( endian.*)$gdb_prompt $" {
+        pass "endianness"
+	set endianness $expect_out(2,string)
+    }
+    -re ".*$gdb_prompt $" {
+	fail "couldn't get endianness"
+    }
+    timeout		{ fail "(timeout) endianness" }
+}
+
+# And then read the E500 registers back, to see that
+# a) the register write above worked, and
+# b) the register read (below) also works.
+
+if {$endianness == "big"} {
+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.."
+} else {
+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.."
+}
+
+for {set i 0} {$i < 32} {incr i 1} {
+        gdb_test "info reg ev$i" "ev$i.*$vector_register" "info reg ev$i"
+}
+
+# Test wether the GPRs are updated accordingly. (GPRs are just the lower
+# 32 bits of the EV registers.)
+
+set general_register "0x1\[ \t\]+1"
+
+for {set i 0} {$i < 32} {incr i 1} {
+        gdb_test "info reg r$i" "r$i.*$general_register" "info reg r$i"
+}
+
+# Now redo the same tests, but using the print command.
+# Note: in LE case, the char array is printed WITHOUT the last character.
+# Gdb treats the terminating null char in the array like the terminating
+# null char in a string and doesn't print it. This is not a failure, but
+# the way gdb works.
+
+if {$endianness == "big"} {
+     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.."
+} else {
+     set decimal_vector ".uint64 = 0x0000000100000001, v2_float = .1.*e-45, 1.*e-45., v2_int32 = .1, 1., v4_int16 = .1, 0, 1, 0., v8_int8 = ..001.000.000.000.001.000.000.000.001.000.000.000.001.000.000.."
+}
+
+for {set i 0} {$i < 32} {incr i 1} {
+        gdb_test "print \$ev$i" ".* = $decimal_vector" "print ev$i"
+}
+
+for {set i 0} {$i < 32} {incr i 1} {
+         set pattern$i ".*ev$i.*"
+         append pattern$i $vector_register
+}
+
+send_gdb "info vector\n"
+gdb_expect_list "info vector" ".*$gdb_prompt $" {
+[$pattern0]
+[$pattern1]
+[$pattern2]
+[$pattern3]
+[$pattern4]
+[$pattern5]
+[$pattern6]
+[$pattern7]
+[$pattern8]
+[$pattern9]
+[$pattern10]
+[$pattern11]
+[$pattern12]
+[$pattern13]
+[$pattern14]
+[$pattern15]
+[$pattern16]
+[$pattern17]
+[$pattern18]
+[$pattern19]
+[$pattern20]
+[$pattern21]
+[$pattern22]
+[$pattern23]
+[$pattern24]
+[$pattern25]
+[$pattern26]
+[$pattern27]
+[$pattern28]
+[$pattern29]
+[$pattern30]
+[$pattern31]
+}
+
+# We must restart everything, because we have set important registers to
+# some unusual values.
+
+gdb_exit
+gdb_start
+gdb_reinitialize_dir $srcdir/$subdir
+gdb_load ${binfile}
+if ![runto_main] then {
+    gdb_suppress_tests
+}
+
+gdb_test "break vector_fun" \
+ "Breakpoint 2 at.*e500-regs.c, line \[0-9\]+\\." \
+ "Set breakpoint at vector_fun"
+
+# Actually it is nuch easier to see these results printed in hex.
+# gdb_test "set output-radix 16" \
+#   "Output radix now set to decimal 16, hex 10, octal 20." \
+#   "Set output radix to hex"
+
+gdb_test "continue" \
+  "Breakpoint 2, vector_fun .a=.-2, -2., b=.1, 1.*e500-regs.c.*ev_create_s32 .2, 2.;" \
+  "continue to vector_fun"
+
+# Do a next over the assignment to vector 'a'. 
+gdb_test "next" ".*b = \\(vector int\\) __ev_create_s32 \\(3, 3\\);" \
+  "next (1)"
+
+# Do a next over the assignment to vector 'b'. 
+gdb_test "next" "c = __ev_and \\(a, b\\);" \
+  "next (2)"
+
+# Now 'a' should be '0x02020202...' and 'b' should be '0x03030303...'
+gdb_test "print/x a" \
+  ".*= .0x2, 0x2." \
+  "print vector parameter a"
+
+gdb_test "print/x b" \
+  ".*= .0x3, 0x3." \
+  "print vector parameter b"
+
+# If we do an 'up' now, and print 'x' and 'y' we should see the values they
+# have in main, not the values they have in vector_fun.
+gdb_test "up" ".1.*main \\(\\) at.*e500-regs.c.*z = vector_fun \\(x, y\\);" \
+  "up to main"
+
+gdb_test "print x" \
+  ".*= .-2, -2." \
+  "print vector x"
+
+gdb_test "print y" \
+  ".*= .1, 1." \
+  "print vector y"
+
+# now go back to vector_func and do a finish, to see if we can print the return
+# value correctly.
+
+gdb_test "down" \
+  ".0  vector_fun \\(a=.2, 2., b=.3, 3.\\) at.*e500-regs.c.*c = __ev_and \\(a, b\\);" \
+  "down to vector_fun"
+
+gdb_test "finish" \
+  "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." \
+  "finish returned correct value"
+
+
+