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jeremybenn |
# Copyright 2009, 2010 Free Software Foundation, Inc.
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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 .
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# This file is part of the gdb testsuite.
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if $tracelevel {
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strace $tracelevel
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}
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if ![istarget "i?86-*linux*"] then {
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verbose "Skipping i387 reverse float tests."
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return
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}
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set testfile "i387-stack-reverse"
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set srcfile ${testfile}.c
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set binfile ${objdir}/${subdir}/${testfile}
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# some targets have leading underscores on assembly symbols.
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# TODO: detect this automatically
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set additional_flags ""
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if [istarget "i?86-*-cygwin*"] then {
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set additional_flags "additional_flags=-DSYMBOL_PREFIX=\"_\""
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}
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug $additional_flags]] != "" } {
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untested i387-float-reverse
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return -1
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}
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# Get things started.
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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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runto main
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# Record to end of main
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set location [gdb_get_line_number "END I387-FLOAT-REVERSE"]
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gdb_test_no_output "record" "Turn on process record"
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gdb_test "until $location" ".*/$srcfile:$location.*" \
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"record to end of main"
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# Now rewind to beginning so we can begin testing.
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set location [gdb_get_line_number "BEGIN I387-FLOAT-REVERSE"]
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gdb_test_no_output "set exec-dir reverse" "set reverse direction"
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gdb_test "until $location" ".*/$srcfile:$location.*" \
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"rewind to beginning of main"
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gdb_test_no_output "set exec-dir forward" "set forward direction"
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# Test FPU stack. FPU stack includes st0, st1, st2, st3, st4,
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# st5, st6, st7. We push 8 values to FPU stack in record mode
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# and see whether all are getting recorded.
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set location [gdb_get_line_number "test st0 register"]
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gdb_test "until $location" ".*/$srcfile:$location.*asm.*fld1.*" \
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"begin test st0"
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gdb_test "stepi" "asm.*fldl2t.*" "push st0 == 1"
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gdb_test "info register st0" "st0 *1\t.*" "verify st0 == 1"
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gdb_test "stepi" "asm.*fldl2e.*" "push st0 == 3.3219280948*"
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gdb_test "info register st0" "st0 *3.32192.*\t.*" "verify st0 == 3.321928094*"
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gdb_test "info register st1" "st1 *1\t.*" "verify st1 == 1"
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gdb_test "stepi" "asm.*fldpi.*" "push st0 == 1.4426950406*"
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gdb_test "info register st0" "st0 *1.44269.*\t.*" "verify st0 == 1.442695040*"
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gdb_test "info register st1" "st1 *3.32192.*\t.*" "verify st1 == 3.3219280948*"
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gdb_test "info register st2" "st2 *1\t.*" "verify st2 == 1"
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gdb_test "stepi" "asm.*fldlg2.*" "push st0 == 3.14159265*"
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gdb_test "info register st0" "st0 *3.14159.*\t.*" "verify st0 == 3.14159265*"
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gdb_test "info register st1" "st1 *1.44269.*\t.*" "verify st1 == 1.4426950*"
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gdb_test "info register st2" "st2 *3.32192.*\t.*" "verify st2 == 3.3219280*"
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gdb_test "info register st3" "st3 *1\t.*" "verify st3 == 1"
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gdb_test "stepi" "asm.*fldln2.*" "push st0 == 0.301029*"
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gdb_test "info register st0" "st0 *0.30102.*\t.*" "verify st0 == 0.301029*"
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gdb_test "info register st1" "st1 *3.14159.*\t.*" "verify st1 == 3.14159265*"
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gdb_test "info register st2" "st2 *1.44269.*\t.*" "verify st2 == 1.44269506*"
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gdb_test "info register st3" "st3 *3.32192.*\t.*" "verify st3 == 3.3219280948*"
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gdb_test "info register st4" "st4 *1\t.*" "verify st4 == 1"
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gdb_test "stepi" "asm.*fldz.*" "push st0 == 0.69314*"
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gdb_test "info register st0" "st0 *0.69314.*\t.*" "verify st0 == 0.69314*"
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gdb_test "info register st1" "st1 *0.30102.*\t.*" "verify st1 == 0.301029*"
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gdb_test "info register st2" "st2 *3.14159.*\t.*" "verify st2 == 3.14159265*"
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gdb_test "info register st3" "st3 *1.44269.*\t.*" "verify st3 == 1.442695040*"
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gdb_test "info register st4" "st4 *3.32192.*\t.*" "verify st4 == 3.3219280948*"
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gdb_test "info register st5" "st5 *1\t.*" "verify st5 == 1"
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gdb_test "stepi" "asm.*fld1.*" "push st0 == 0"
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gdb_test "info register st0" "st0 *0\t.*" "verify st0 == 0"
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gdb_test "info register st1" "st1 *0.69314.*\t.*" "verify st1 == 0.69314*"
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gdb_test "info register st2" "st2 *0.30102.*\t.*" "verify st2 == 0.301029*"
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gdb_test "info register st3" "st3 *3.14159.*\t.*" "verify st3 == 3.14159265*"
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gdb_test "info register st4" "st4 *1.44269.*\t.*" "verify st4 == 1.442695040*"
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gdb_test "info register st5" "st5 *3.32192.*\t.*" "verify st5 == 3.32192809*"
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gdb_test "info register st6" "st6 *1\t.*" "verify st6 == 1"
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gdb_test "stepi" "asm.*nop.*" "push st0 == 0"
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gdb_test "info register st0" "st0 *1\t.*" "verify st0 == 1"
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gdb_test "info register st1" "st1 *0\t.*" "verify st1 == 0"
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gdb_test "info register st2" "st2 *0.69314.*\t.*" "verify st2 == 0.69314*"
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gdb_test "info register st3" "st3 *0.30102.*\t.*" "verify st3 == 0.301029*"
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gdb_test "info register st4" "st4 *3.14159.*\t.*" "verify st4 == 3.14159265*"
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gdb_test "info register st5" "st5 *1.44269.*\t.*" "verify st5 == 1.44269504*"
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gdb_test "info register st6" "st6 *3.32192.*\t.*" "verify st6 == 3.3219280948*"
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gdb_test "info register st7" "st7 *1.*" "verify st7 == 1"
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# Now step backward, and check that st0 value reverts to zero.
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gdb_test "reverse-stepi" "asm.*fld1.*" "undo registers, st0-st7"
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gdb_test "info register st0" "st0 *0\t.*" "verify st0 == 0"
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gdb_test "info register st1" "st1 *0.69314.*\t.*" "verify st1 == 0.69314*"
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gdb_test "info register st2" "st2 *0.30102.*\t.*" "verify st2 == 0.301029*"
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gdb_test "info register st3" "st3 *3.14159.*\t.*" "verify st3 == 3.14159265*"
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gdb_test "info register st4" "st4 *1.44269.*\t.*" "verify st4 == 1.442695040*"
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gdb_test "info register st5" "st5 *3.32192.*\t.*" "verify st5 == 3.3219280948*"
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gdb_test "info register st6" "st6 *1\t.*" "verify st6 == 1"
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gdb_test "reverse-stepi" "asm.*fldz.*" "push st0 == 0.69314*"
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gdb_test "info register st0" "st0 *0.69314.*\t.*" "verify st0 == 0.69314*"
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gdb_test "info register st1" "st1 *0.30102.*\t.*" "verify st1 == 0.301029*"
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gdb_test "info register st2" "st2 *3.14159.*\t.*" "verify st2 == 3.14159265*"
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gdb_test "info register st3" "st3 *1.44269.*\t.*" "verify st3 == 1.442695040*"
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gdb_test "info register st4" "st4 *3.32192.*\t.*" "verify st4 == 3.3219280948*"
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gdb_test "info register st5" "st5 *1\t.*" "verify st5 == 1"
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gdb_test "reverse-stepi" "asm.*fldln2.*" "push st0 == 0.301029*"
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gdb_test "info register st0" "st0 *0.30102.*\t.*" "verify st0 == 0.301029*"
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gdb_test "info register st1" "st1 *3.14159.*\t.*" "verify st1 == 3.14159265*"
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gdb_test "info register st2" "st2 *1.44269.*\t.*" "verify st2 == 1.442695040*"
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gdb_test "info register st3" "st3 *3.32192.*\t.*" "verify st3 == 3.3219280948*"
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gdb_test "info register st4" "st4 *1\t.*" "verify st4 == 1"
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gdb_test "reverse-stepi" "asm.*fldlg2.*" "push st0 == 3.14159265*"
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gdb_test "info register st0" "st0 *3.14159.*\t.*" "verify st0 == 3.14159265*"
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gdb_test "info register st1" "st1 *1.44269.*\t.*" "verify st1 == 1.442695040*"
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gdb_test "info register st2" "st2 *3.32192.*\t.*" "verify st2 == 3.3219280948*"
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gdb_test "info register st3" "st3 *1\t.*" "verify st3 == 1"
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gdb_test "reverse-stepi" "asm.*fldpi.*" "push st0 == 1.44269504088*"
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gdb_test "info register st0" "st0 *1.44269.*\t.*" "verify st0 == 1.442695040*"
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gdb_test "info register st1" "st1 *3.32192.*\t.*" "verify st1 == 3.3219280948*"
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gdb_test "info register st2" "st2 *1\t.*" "verify st2 == 1"
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gdb_test "reverse-stepi" "asm.*fldl2e.*" "push st0 == 3.3219280948*"
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gdb_test "info register st0" "st0 *3.32192.*\t.*" "verify st0 == 3.3219280948*"
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gdb_test "info register st1" "st1 *1\t.*" "verify st1 == 1"
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gdb_test "reverse-stepi" "asm.*fldl2t.*" "push st0 == 1"
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gdb_test "info register st0" "st0 *1\t.*" "verify st0 == 1"
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