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