From c0586a34cd68c2c658b751fd14bd9ccd60304b00 Mon Sep 17 00:00:00 2001 From: Joel Brobecker Date: Sat, 8 May 2004 00:08:24 +0000 Subject: [PATCH] * gdb.arch/powerpc-aix-prologue.c: New file. * gdb.arch/powerpc-aix-prologue.exp: New file. --- gdb/testsuite/ChangeLog | 5 ++ gdb/testsuite/gdb.arch/powerpc-aix-prologue.c | 55 +++++++++++++ .../gdb.arch/powerpc-aix-prologue.exp | 82 +++++++++++++++++++ 3 files changed, 142 insertions(+) create mode 100644 gdb/testsuite/gdb.arch/powerpc-aix-prologue.c create mode 100644 gdb/testsuite/gdb.arch/powerpc-aix-prologue.exp diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog index d5322c2be34..ae1099bbd42 100644 --- a/gdb/testsuite/ChangeLog +++ b/gdb/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2004-05-07 Joel Brobecker + + * gdb.arch/powerpc-aix-prologue.c: New file. + * gdb.arch/powerpc-aix-prologue.exp: New file. + 2004-05-07 Jim Blandy * gdb.base/lineinc.exp, gdb.base/lineinc1.h, gdb.base/lineinc2.h, diff --git a/gdb/testsuite/gdb.arch/powerpc-aix-prologue.c b/gdb/testsuite/gdb.arch/powerpc-aix-prologue.c new file mode 100644 index 00000000000..ee31b496d3e --- /dev/null +++ b/gdb/testsuite/gdb.arch/powerpc-aix-prologue.c @@ -0,0 +1,55 @@ +/* This testcase is part of GDB, the GNU debugger. + + Copyright 2004 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. */ + +void li_stw (void); + +int +main (void) +{ + li_stw (); + return 0; +} + +/* Asm for procedure li_stw(). + + The purpose of this function is to verify that GDB does not + include the li insn as part of the function prologue (only part + of the prologue if part of a pair of insns saving vector registers). + Similarly, GDB should not include the stw insn following the li insn, + because the source register is not used for parameter passing. */ + + +asm (" .csect .text[PR]\n" + " .align 2\n" + " .lglobl .li_stw\n" + " .csect li_stw[DS]\n" + "li_stw:\n" + " .long .li_stw, TOC[tc0], 0\n" + " .csect .text[PR]\n" + ".li_stw:\n" + " stw 31,-4(1)\n" + " stwu 1,-48(1)\n" + " mr 31,1\n" + " stw 11,24(31)\n" + " li 0,8765\n" + " stw 0,28(31)\n" + " lwz 1,0(1)\n" + " lwz 31,-4(1)\n" + " blr\n"); + diff --git a/gdb/testsuite/gdb.arch/powerpc-aix-prologue.exp b/gdb/testsuite/gdb.arch/powerpc-aix-prologue.exp new file mode 100644 index 00000000000..76e3c27cf2e --- /dev/null +++ b/gdb/testsuite/gdb.arch/powerpc-aix-prologue.exp @@ -0,0 +1,82 @@ +# Copyright 2004 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. +# +# This file is part of the gdb testsuite. + +if $tracelevel { + strace $tracelevel +} + +# Test rs6000 prologue analyzer. + +set prms_id 0 +set bug_id 0 + +if ![istarget "powerpc-*-aix*"] then { + verbose "Skipping powerpc-aix prologue tests." + return +} + +set testfile "powerpc-aix-prologue" +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} + +# Insert a breakpoint in FUNCTION and verifies that the breakpoint was +# inserted at the expected location. EXPECTED_LOCATION should be an +# offset relative to the function start address. +proc insert_breakpoint {function expected_location} { + global gdb_prompt + global expect_out + global hex + + set address "" + + # Insert a breakpoint using the given function name, and extract + # the breakpoint address for the output. + gdb_test_multiple "break $function" "set breakpoint in $function" { + -re "Breakpoint 1 at ($hex).*$gdb_prompt $" { + set address $expect_out(1,string) + } + default { + fail "set breakpoint in $function" + } + } + + # If we managed to get the breakpoing address, then check that + # we inserted it at the expected location by examining the + # instruction at that address (we're not interested in the insn + # itself, but rather at the address printed at the begining of + # the instruction). + if { $address != "" } then { + gdb_test "x /i $address" \ + ".*<$function\\+$expected_location>.*" \ + "check $function breakpoint address" + } else { + fail "unable to compute breakpoint address" + } + +} + +insert_breakpoint "li_stw" 12 -- 2.30.2