Subversion Repositories openrisc_2011-10-31

#   Copyright 1997, 1998, 1999, 2000, 2004, 2007, 2008, 2009, 2010

#   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 3 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, see .

# file to test calls into shared libraries

# the source files for this test are:

#

# shmain.c

# shr1.c (shared lib)

# shr2.c (shared lib)

# ss.h (header for shr2.c)

#

# file written by Elena Zannoni: elz@ch.apollo.com

#

#debug shmain

#prop lib shr1.sl

#prop lib shr2.sl

if $tracelevel then {

        strace $tracelevel

}

if {[skip_shlib_tests]} {

    return 0

}

set testfile "shmain"

set libfile1 "shr1"

set libfile2 "shr2"

set srcfile  ${srcdir}/${subdir}/${testfile}.c

set lib1src  ${srcdir}/${subdir}/${libfile1}.c

set lib2src  ${srcdir}/${subdir}/${libfile2}.c

set lib1     ${objdir}/${subdir}/${libfile1}.sl

set lib2     ${objdir}/${subdir}/${libfile2}.sl

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

set lib_opts "debug"

set exec_opts [list debug shlib=${lib1} shlib=${lib2}]

if [get_compiler_info ${binfile}] {

    return -1

}

if { [gdb_compile_shlib ${lib1src} ${lib1} $lib_opts] != ""

     || [gdb_compile_shlib ${lib2src} ${lib2} $lib_opts] != ""

     || [gdb_compile ${srcfile} ${binfile} executable $exec_opts] != ""} {

    untested "Could not compile $lib1, $lib2, or $srcfile."

    return -1

}

# Start with a fresh gdb.

gdb_exit

gdb_start

gdb_reinitialize_dir $srcdir/$subdir

gdb_load ${binfile}

gdb_load_shlibs $lib1 $lib2

gdb_test_no_output "set print sevenbit-strings"

gdb_test_no_output "set print address off"

gdb_test_no_output "set width 0"

if ![runto_main] then {

        perror "C function calling tests suppressed"

}

#step -over

gdb_test "next" "g = shr1\\(g\\);" "next to shr1"

#print g

gdb_test "print g" "\[0-9\]* = 1" "print g"

#step -over

if ![gdb_skip_stdio_test "next over shr1"] {

    gdb_test "next" \

        "address of sgs is $hex.*g = shr2\\(g\\);" \

        "next over shr1"

} else {

    gdb_test "next" ".*" ""

}

#print g

gdb_test "print g" "\[0-9\]* = 2" "print g"

#print shr1(1)

if ![gdb_skip_stdio_test "print shr1(1)"] {

    gdb_test "print shr1(1)" \

        "address of sgs is $hex.*\[0-9\]* = 2" \

        "print shr1(1)"

}

#print shr1(g)

if ![gdb_skip_stdio_test "print shr1(g)"] {

    gdb_test "print shr1(g)" \

        "address of sgs is $hex.*\[0-9\]* = 4" \

        "print shr1(g)"

}

#break shr2

#go

gdb_test "break shr2" \

    "Breakpoint.*file.*shr2.c, line.*" \

    "breakpoint function shr2"

gdb_test "continue" \

        "Continuing\\..*Breakpoint \[0-9\]+, shr2 \\(.*\\) at.*shr2\\.c:7.*7.*return 2.x;" \

        "run until breakpoint set at a function"

#print shr1(1)

if ![gdb_skip_stdio_test "print shr1(1) 2nd time"] {

    gdb_test "print shr1(1)" \

        "address of sgs is $hex.*\[0-9\]* = 2" \

        "print shr1(1) 2nd time"

}

#print mainshr1(1)

gdb_test "print mainshr1(1)" "\[0-9\]* = 2" \

    "print mainshr1(1) from shlib func"

#step -return

# A step at this point will either take us entirely out of

# the function or into the function's epilogue.  The exact

# behavior will differ depending upon upon whether or not

# the compiler emits line number information for the epilogue.

gdb_test_multiple "step" "step out of shr2 to main" {

    -re "main \\(\\) at.*g = mainshr1\\(g\\);.*$gdb_prompt $" {

        pass "step out of shr2 to main"

    }

    -re ".*\\\}.*$gdb_prompt $" {

        pass "step out of shr2 to main (stopped in shr2 epilogue)"

        gdb_test "step" \

            "main \\(\\) at.*g = mainshr1\\(g\\);" \

            "step out of shr2 epilogue to main"

    }

}

#print mainshr1(1)

gdb_test "print mainshr1(1)" "\[0-9\]* = 2" "print mainshr1(1)"

#step

gdb_test "step" "mainshr1 \\(g=4\\) at.*return 2.g;" \

    "step into mainshr1"

# Start with a fresh gdb.

gdb_exit

gdb_start

gdb_reinitialize_dir $srcdir/$subdir

gdb_load ${binfile}

gdb_test_no_output "set print sevenbit-strings"

gdb_test_no_output "set print address off"

gdb_test_no_output "set width 0"

# PR's 16495, 18213

# test that we can re-set breakpoints in shared libraries

gdb_breakpoint "shr1" "allow-pending"

# FIXME: should not send "run" explicitly.  Non-portable.

if ![is_remote target] {

  gdb_test "run" "Starting program:.*Breakpoint .,.*" \

        "run to bp in shared library"

  gdb_test "cont" ".*Program exited normally..*"

  gdb_test "run" "Starting program:.*Breakpoint .,.*" \

        "re-run to bp in shared library (PR's 16495, 18213)"

  gdb_test "cont" ".*Program exited normally..*"

}

return 0