Subversion Repositories or1k

# Copyright 1998, 2000, 2002 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.

#

# Please email any bugs, comments, and/or additions to this file to:

# bug-gdb@prep.ai.mit.edu

#

# This file was written by Kendra.

if $tracelevel then {

    strace $tracelevel

}

#

# Test debugging assembly level programs.

# This file uses asmsrc[12].s for input.

#

set prms_id 0

set bug_id 0

set asm-arch ""

set asm-flags ""

set link-flags ""

if [istarget "*arm-*-*"] then {

    set asm-arch arm

}

if [istarget "xscale-*-*"] then {

    set asm-arch arm

}

if [istarget "d10v-*-*"] then {

    set asm-arch d10v

}

if [istarget "s390-*-*"] then {

    set asm-arch s390

}

if [istarget "x86_64-*-*"] then {

    set asm-arch x86_64

    set asm-flags "-gdwarf2 -I${srcdir}/${subdir} -I${objdir}/${subdir}"

}

if [istarget "i\[3456\]86-*-*"] then {

    set asm-arch i386

}

if [istarget "m32r*-*"] then {

    set asm-arch m32r

}

if [istarget "powerpc*-*"] then {

    set asm-arch powerpc

}

if [istarget "sparc-*-*"] then {

    set asm-arch sparc

}

if [istarget "sparc64-*-*"] then {

    set asm-arch sparc64

    set asm-flags "-xarch=v9 -gstabs -I${srcdir}/${subdir} -I${objdir}/${subdir}"

}

if [istarget "xstormy16-*-*"] then {

    set asm-arch xstormy16

    set asm-flags "-gdwarf2 -I${srcdir}/${subdir} -I${objdir}/${subdir}"

}

if [istarget "v850-*-*"] then {

    set asm-arch v850

    set gdb_wrapper_initialized 1

}

if { "${asm-arch}" == "" } {

    gdb_suppress_entire_file "Assembly source test -- not implemented for this target."

}

# Watch out, we are invoking the assembler, but the testsuite sets multilib

# switches according to compiler syntax.  If we pass these options straight

# to the assembler, they won't always make sense.  If we don't pass them to

# the assembler, the final link will complain that the object files were

# built with different defaults.  So no matter what we do, we lose.  We may as

# well get out of this test sooner rather than later.

set dest [target_info name]

if [board_info $dest exists multilib_flags] {

        set multilib_flags [board_info $dest multilib_flags]

        if { "${multilib_flags}" != "" } {

           gdb_suppress_entire_file "Assembly source test -- multilibs not supported by this test."

           return;

         }

}

set testfile "asm-source"

set binfile ${objdir}/${subdir}/${testfile}

set src1 ${srcdir}/${subdir}/asmsrc1.s

set src2 ${srcdir}/${subdir}/asmsrc2.s

remote_exec build "rm -f ${subdir}/arch.inc"

remote_download host ${srcdir}/${subdir}/${asm-arch}.inc ${subdir}/arch.inc

if { "${asm-flags}" == "" } {

    #set asm-flags "-Wa,-gstabs,-I${srcdir}/${subdir},-I${objdir}/${subdir}"

    set asm-flags "-gstabs -I${srcdir}/${subdir} -I${objdir}/${subdir}"

}

if {[target_assemble ${src1} asmsrc1.o "${asm-flags}"] != ""} then {

     gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."

}

if {[target_assemble ${src2} asmsrc2.o "${asm-flags}"] != ""} then {

     gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."

}

set opts "debug ldflags=-nostartfiles"

foreach i ${link-flags} {

    append opts " ldflags=$i"

}

if { [gdb_compile "asmsrc1.o asmsrc2.o" "${binfile}" executable $opts] != "" } {

     gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."

}

remote_exec build "mv asmsrc1.o asmsrc2.o ${objdir}/${subdir}"

gdb_start

gdb_reinitialize_dir $srcdir/$subdir

gdb_load ${binfile}

#

# Run to `main' where we begin our tests.

#

if ![runto_main] then {

    gdb_suppress_tests

}

# Execute the `f' command and see if the result includes source info.

gdb_test "f" "asmsrc1\[.\]s:29.*several_nops" "f at main"

# See if we properly `next' over a macro with several insns.

gdb_test "n" "33\[      \]*.*foo2" "next over macro"

# See if we can properly `step' into a subroutine call.

gdb_test "s" "8\[       \]*.*" "step into foo2"

# Test 'info target', and incidentally capture the entry point address.

set entry_point 0

send_gdb "info target\n"

gdb_expect {

    -re "Symbols from .*asm-source.*Entry point: 0x(\[01232456789abcdefABCDEF\]+).*$gdb_prompt $" {

        set entry_point $expect_out(1,string)

        pass "info target"

    }

    -re ".*$gdb_prompt $" {

        fail "info target"

    }

    timeout {

        fail "info target (timeout)"

    }

}

# Capture the start symbol (may be '_start' or 'start')

set entry_symbol ""

send_gdb "info symbol 0x$entry_point\n"

gdb_expect {

    -re "info symbol 0x$entry_point\[\r\n\]+(\[^\r\n\]*) in section .*$gdb_prompt $" {

        # We match the echoed `info symbol' command here, to help us

        # reliably identify the beginning of the start symbol in the

        # command's output.  You might think we could just use '^' to

        # start matching at the beginning of the line, but

        # unfortunately, in Expect, '^' matches the beginning of the

        # input that hasn't been matched by any expect clause yet.  If

        # every expect clause consumes a complete line, along with its

        # terminating CR/LF, this is equivalent to the beginning of a

        # line.  But expect clauses that end with `.*' will consume as

        # much as happened to arrive from the TTY --- exactly where

        # they leave you depends on inter-process timing.  :(

        set entry_symbol $expect_out(1,string)

        pass "info symbol"

    }

    -re ".*$gdb_prompt $" {

        fail "info symbol"

    }

    timeout {

        fail "info symbol (timeout)"

    }

}

# Now try a 'list' from the other source file.

gdb_test "list $entry_symbol" ".*gdbasm_startup.*" "list"

# Now try a source file search

gdb_test "search A routine for foo2 to call" \

        "39\[ \t\]+comment \"A routine for foo2 to call.\"" "search"

# See if `f' prints the right source file.

gdb_test "f" ".*asmsrc2\[.\]s:8.*" "f in foo2"

# `next' one insn (or macro) to set up our stackframe (for the following bt).

gdb_test "n" "12\[      \]*.*foo3" "n in foo2"

# See if a simple `bt' prints the right source files and

# doesn't fall off the stack.

gdb_test "bt 10" \

        "\#0.*foo2.*asmsrc2\[.\]s:12.*\#1.*main.*asmsrc1\[.\]s:33(.*\#2.*start\[^\r\n\]*)?" \

        "bt ALL in foo2"

# See if a capped `bt' prints the right source files.

gdb_test "bt 2" "\#0.*foo2.*asmsrc2\[.\]s:12.*\#1.*main.*asmsrc1\[.\]s:33.*" "bt 2 in foo2"

# Step into another subroutine which lives back in the first source file.

gdb_test "s" "" "s 2"

# Next over insns to set up the stack frame.

gdb_test "n" "" "n 2"

# Now see if a capped `bt' is correct.

gdb_test "bt 3" "\#0.*foo3.*asmsrc1\[.\]s:44.*\#1.*foo2.*asmsrc2\[.\]s:12.*\#2.*main.*asmsrc1\[.\]s:33.*" "bt 3 in foo3"

# Try 'info source' from asmsrc1.s

gdb_test "info source" \

        "Current source file is .*asmsrc1.s.*Source language is asm.*" \

        "info source asmsrc1.s"

# Try 'finishing' from foo3

gdb_test "finish" "Run till exit from.*\[\r\n\]13\[ \t\]+gdbasm_call foo3" \

        "finish from foo3"

# Try 'info source' from asmsrc2.s

gdb_test "info source" \

        "Current source file is .*asmsrc2.s.*Source language is asm.*" \

        "info source asmsrc2.s"

# Try 'info sources'.  This can produce a lot of output on systems

# with dynamic linking, where the system's shared libc was compiled

# with debugging info; for example, on Linux, this produces 47kb of

# output.  So we consume it as we go.

send_gdb "info sources\n"

set seen_asmsrc_1 0

set seen_asmsrc_2 0

gdb_expect {

    -re "^\[^,\]*asmsrc1.s(, |\[\r\n\]+)" {

        set seen_asmsrc_1 1

        exp_continue

    }

    -re "^\[^,\]*asmsrc2.s(, |\[\r\n\]+)" {

        set seen_asmsrc_2 1

        exp_continue

    }

    -re ", " {

        exp_continue

    }

    -re "$gdb_prompt $" {

        if {$seen_asmsrc_1 && $seen_asmsrc_2} {

            pass "info sources"

        } else {

            fail "info sources"

        }

    }

    timeout {

            fail "info sources (timeout)"

    }

}

# Try 'info line'

gdb_test "info line" \

        "Line 13 of.*asmsrc2.s.*starts at.* and ends at.*." \

        "info line"

# Try 'nexting' over next call to foo3

gdb_test "next" "17\[ \t\]+gdbasm_leave" "next over foo3"

# Try 'return' from foo2

gdb_test "return" "\#0  main .*37\[ \t\]+gdbasm_exit0" "return from foo2" \

        "Make selected stack frame return now\?.*" "y"

# See if we can look at a global variable

gdb_test "print globalvar" ".* = 11" "look at global variable"

# See if we can look at a static variable

gdb_test "print staticvar" ".* = 5" "look at static variable"

# See if we can look at a static function

gdb_test "disassem foostatic" ".*:.*End of assembler dump." \

        "look at static function"

remote_exec build "rm -f ${subdir}/arch.inc"