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[PATCH]rs6000,testsuite Add a powerpc64-prologue testcase.
Add a powerpc64-prologue testcase, this is based on the existing powerpc-prologue test, but updated for the powerpc64 (le) target. YYYY-MM-DD Will Schmidt <will_schmidt@vnet.ibm.com> gcc/testsuite/ChangeLog * gdb.arch/powerpc64-prologue.c: New test to exercise prologues for the powerpc64 LE target. * gdb.arch/powerpc-prologue.exp: Test Harness.
This commit is contained in:
Will Schmidt
@ -1,3 +1,9 @@
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2021-05-19 Will Schmidt <will_schmidt@vnet.ibm.com>
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* gdb.arch/powerpc64-prologue.c: New test to exercise prologues
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for the powerpc64 LE target.
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* gdb.arch/powerpc-prologue.exp: Test Harness.
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2021-05-19 Andrew Burgess <andrew.burgess@embecosm.com>
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* gdb.guile/scm-pretty-print.exp: Add test names to resolve
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92
gdb/testsuite/gdb.arch/powerpc64-prologue.c
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92
gdb/testsuite/gdb.arch/powerpc64-prologue.c
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/* Unwinder test program.
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Copyright 2006-2021 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 3 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, see <http://www.gnu.org/licenses/>. */
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#ifdef SYMBOL_PREFIX
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#define SYMBOL(str) SYMBOL_PREFIX #str
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#else
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#define SYMBOL(str) #str
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#endif
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void gdb2029 (void);
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void optimized_1 (void);
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int
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main (void)
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{
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gdb2029 ();
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optimized_1 ();
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return 0;
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}
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void
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optimized_1_marker (void)
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{
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}
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void
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gdb2029_marker (void)
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{
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}
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/* A typical PIC prologue from GCC. */
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/* This is a ppc64(le) variation of the code as seen
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in powerpc-prologue.c. */
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asm(".text\n"
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" .p2align 3\n"
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SYMBOL (gdb2029) ":\n"
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" mflr %r0\n"
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" std %r0,16(%r1)\n"
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" std %r31,-8(%r1)\n"
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" stdu %r1,-128(%r1)\n"
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" mr %r31,%r1\n"
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" mr %r9,%r3\n"
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" stw %r9,176(%r31)\n"
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" lwz %r9,176(%r31)\n"
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" bl gdb2029_marker\n"
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" nop\n"
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" mr %r9,%r3\n"
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" mr %r3,%r9\n"
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" addi %r1,%r31,128\n"
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" ld %r0,16(%r1)\n"
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" mtlr %r0\n"
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" ld %r31,-8(%r1)\n"
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" blr");
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/* A heavily scheduled prologue. */
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asm(".text\n"
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" .p2align 3\n"
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SYMBOL (optimized_1) ":\n"
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" stdu %r1,-32(%r1)\n"
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" lis %r9,-16342\n"
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" lis %r11,-16342\n"
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" mflr %r0\n"
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" addi %r11,%r11,3776\n"
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" std %r30,12(%r1)\n"
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" addi %r31,%r9,3152\n"
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" cmplw %cr7,%r31,%r11\n"
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" std %r0,36(%r1)\n"
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" mr %r30,%r3\n"
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" bl optimized_1_marker\n"
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" nop \n"
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" ld %r0,36(%r1)\n"
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" mtlr %r0\n"
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" ld %r30,12(%r1)\n"
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" addi %r1,%r1,32\n"
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" blr");
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82
gdb/testsuite/gdb.arch/powerpc64-prologue.exp
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82
gdb/testsuite/gdb.arch/powerpc64-prologue.exp
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@ -0,0 +1,82 @@
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# Copyright 2006-2021 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 <http://www.gnu.org/licenses/>.
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# Test PowerPC(64le) prologue analyzer.
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# Do not run on AIX (where we won't be able to build the tests without
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# some surgery) or on PowerPC64 (ditto, dot symbols).
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if {[istarget *-*-aix*] || ![istarget "powerpc*-*-*"]} then {
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verbose "Skipping PowerPC prologue tests."
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return
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}
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standard_testfile .c
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# Don't use "debug", so that we don't have line information for the assembly
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# fragments.
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {}] != "" } {
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untested "PowerPC prologue tests"
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return -1
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}
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if { [prepare_for_testing "failed to prepare" $testfile "$srcfile" \
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{}] } {
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return -1
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}
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# Run to `main' where we begin our 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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# Testcase for PIC prologue.
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gdb_breakpoint "gdb2029_marker"
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gdb_test "continue" "Breakpoint $decimal, $hex in gdb2029_marker \\(\\).*" \
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"continue to PIC"
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gdb_test "backtrace 10" \
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"#0\[ \t\]*$hex in gdb2029_marker.*\r\n#1\[ \t\]*$hex in gdb2029.*\r\n#2\[ \t\]*$hex in main.*" \
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"backtrace in PIC marker"
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gdb_test "finish" ".*$hex in gdb2029 .*" "finish from PIC"
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gdb_test "backtrace 10" \
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"#0\[ \t\]*$hex in gdb2029 .*\r\n#1\[ \t\]*$hex in main.*" \
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"backtrace in PIC"
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gdb_test "info frame" \
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".*Saved registers:.*r31 at.*pc at.*lr at.*" \
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"saved registers in PIC"
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# Testcase for scheduled prologue.
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gdb_breakpoint "optimized_1_marker"
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gdb_test "continue" "Breakpoint $decimal, $hex in optimized_1_marker \\(\\).*" \
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"continue to optimized"
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gdb_test "backtrace 10" \
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"#0\[ \t\]*$hex in optimized_1_marker.*\r\n#1\[ \t\]*$hex in optimized_1.*\r\n#2\[ \t\]*$hex in main.*" \
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"backtrace in optimized marker"
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gdb_test "finish" ".*$hex in optimized_1 .*" "finish from optimized"
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gdb_test "backtrace 10" \
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"#0\[ \t\]*$hex in optimized_1 .*\r\n#1\[ \t\]*$hex in main.*" \
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"backtrace in optimized"
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gdb_test "info frame" \
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".*Saved registers:.*r30 at.*pc at.*lr at.*" \
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"saved registers in optimized"
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