* gdb.arch/alpha-step.c: New file.
* gdb.arch/alpha-step.exp: New testcase.
This commit is contained in:
Joel Brobecker
parent
551e4f2e42
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0915f927ad
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2005-05-29 Joel Brobecker <brobecker@adacore.com>
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* gdb.arch/alpha-step.c: New file.
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* gdb.arch/alpha-step.exp: New testcase.
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2005-05-17 Daniel Jacobowitz <dan@codesourcery.com>
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2005-05-17 Daniel Jacobowitz <dan@codesourcery.com>
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Dennis Brueni <dennis@slickedit.com>
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Dennis Brueni <dennis@slickedit.com>
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@ -0,0 +1,118 @@
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/* Copyright 2005 Free Software Foundation, Inc.
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This file is part of GDB.
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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 2 of the License, or
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(at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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void gt (double a);
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int
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main (void)
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{
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gt (360.0);
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gt (-360.0);
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ge (360.0);
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ge (-360.0);
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lt (-360.0);
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lt (360.0);
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le (-360.0);
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le (360.0);
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eq (0.0);
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eq (360.0);
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ne (360.0);
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ne (0.0);
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return 0;
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}
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asm (" .text\n"
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" .ent gt\n"
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"gt:\n"
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" .frame $30,0,$26,0\n"
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" .prologue 0\n"
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" cpys $f31,$f31,$f0\n"
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" fbgt $f16,$gt_1\n" /* stop at this instruction. */
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" cpysn $f16,$f16,$f0\n"
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"$gt_1:\n"
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" ret $31,($26),1\n"
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" .end gt\n");
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asm (" .text\n"
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" .ent ge\n"
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"ge:\n"
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" .frame $30,0,$26,0\n"
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" .prologue 0\n"
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" cpys $f31,$f31,$f0\n"
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" fbge $f16,$ge_1\n" /* stop at this instruction. */
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" cpysn $f16,$f16,$f0\n"
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"$ge_1:\n"
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" ret $31,($26),1\n"
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" .end ge\n");
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asm (" .text\n"
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" .ent lt\n"
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"lt:\n"
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" .frame $30,0,$26,0\n"
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" .prologue 0\n"
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" cpys $f31,$f31,$f0\n"
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" fblt $f16,$lt_1\n" /* stop at this instruction. */
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" cpysn $f16,$f16,$f0\n"
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"$lt_1:\n"
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" ret $31,($26),1\n"
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" .end lt\n");
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asm (" .text\n"
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" .ent le\n"
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"le:\n"
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" .frame $30,0,$26,0\n"
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" .prologue 0\n"
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" cpys $f31,$f31,$f0\n"
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" fble $f16,$le_1\n" /* stop at this instruction. */
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" cpysn $f16,$f16,$f0\n"
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"$le_1:\n"
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" ret $31,($26),1\n"
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" .end le\n");
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asm (" .text\n"
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" .ent eq\n"
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"eq:\n"
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" .frame $30,0,$26,0\n"
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" .prologue 0\n"
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" cpys $f31,$f31,$f0\n"
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" fbeq $f16,$eq_1\n" /* stop at this instruction. */
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" cpysn $f16,$f16,$f0\n"
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"$eq_1:\n"
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" ret $31,($26),1\n"
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" .end eq\n");
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asm (" .text\n"
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" .ent ne\n"
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"ne:\n"
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" .frame $30,0,$26,0\n"
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" .prologue 0\n"
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" cpys $f31,$f31,$f0\n"
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" fbne $f16,$ne_1\n" /* stop at this instruction. */
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" cpysn $f16,$f16,$f0\n"
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"$ne_1:\n"
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" ret $31,($26),1\n"
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" .end ne\n");
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@ -0,0 +1,114 @@
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# Copyright 2005 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 2 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, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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if $tracelevel {
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strace $tracelevel
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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 "alpha*-*-*"] then {
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verbose "Skipping alpha step tests."
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return
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}
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set testfile "alpha-step"
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set srcfile ${testfile}.c
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set binfile ${objdir}/${subdir}/${testfile}
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {}] != "" } {
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unsupported "Testcase compile failed."
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return -1
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}
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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 ${binfile}
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proc test_stepi {function } {
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# Restart the program from scratch. If GDB got confused during one
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# of the previous tests, this makes sure that it doesn't affect
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# this series of tests.
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if ![runto_main] then {
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fail "Can't run to main"
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return 0
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}
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# Insert a breakpoint on the FP branch instruction inside FUNCTION.
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# Since the function has been hand written, we know this instruction
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# is a "fb$function" located at FUNCTION+4.
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gdb_test "break *$function+4" \
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"Breakpoint .* at .*" \
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"breakpoint on fb$function instruction"
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gdb_test "continue" \
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"Breakpoint .*, 0x\[0-9a-fA-F\]+ in $function\(\).*" \
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"continue to fb$function instruction (first call)"
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# Extra check to make sure we stopped on the FP branch instruction.
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gdb_test "x /i \$pc" \
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"0x\[0-9a-fA-F\]+ <.*>:\[ \t\]+fb$function\[ \t\]+.*" \
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"Check breakpoint on fb$function instruction (first call)"
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# Step test, followed by the check that we landed on the expected
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# instruction (the testcase should be written in such a way that
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# the branch is taken on the first call to this function.
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gdb_test "stepi" \
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"0x\[0-9a-fA-F\]+.*" \
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"stepi on fb$function (first call)"
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gdb_test "x /i \$pc" \
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"0x\[0-9a-fA-F\]+ <.*>:\[ \t\]+ret\[ \t\]+.*" \
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"Check stepi over fb$function stopped on ret"
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# Continue again. FUNCTION should be called a second time, this time
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# with an argument such that the FP branch will not be taken.
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gdb_test "continue" \
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"Breakpoint .*, 0x\[0-9a-fA-F\]+ in $function\(\).*" \
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"continue to fb$function instruction (second call)"
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# Extra check to make sure we stopped on the FP branch instruction.
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gdb_test "x /i \$pc" \
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"0x\[0-9a-fA-F\]+ <.*>:\[ \t\]+fb$function\[ \t\]+.*" \
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"Check breakpoint on fb$function instruction (second call)"
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# Step test, branch should not be taken.
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gdb_test "stepi" \
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"0x\[0-9a-fA-F\]+.*" \
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"stepi on fb$function (branch not taken)"
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# Extra check to verify that we landed on the instruction we expected.
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gdb_test "x /i \$pc" \
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"0x\[0-9a-fA-F\]+ <.*>:\[ \t\]+fneg\[ \t\]+.*" \
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"Check stepi over fb$function stopped on fneg instruction"
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}
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test_stepi "gt"
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test_stepi "ge"
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test_stepi "lt"
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test_stepi "le"
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test_stepi "eq"
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test_stepi "ne"
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