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

#   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 .

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

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

# 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

}

set prms_id 0

set bug_id 0

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

send_gdb "set print sevenbit-strings\n" ; gdb_expect -re "$gdb_prompt $"

send_gdb "set print address off\n" ; gdb_expect -re "$gdb_prompt $"

send_gdb "set width 0\n" ; gdb_expect -re "$gdb_prompt $"

if ![runto_main] then {

        perror "C function calling tests suppressed"

}

#step -over

    send_gdb "next\n"

    gdb_expect {

        -re ".*g = shr1\\(g\\).*$gdb_prompt $" {pass "next to shr1"}

        -re ".*$gdb_prompt $" { fail "next to shr1" }

        timeout { fail "next to shr1 (timeout)" }

    }

#print g

send_gdb "print g\n"

gdb_expect {

    -re ".*\[0-9\]* = 1.*$gdb_prompt $" {

        pass "print g"

      }

    -re ".*$gdb_prompt $" { fail "print  g" }

    timeout           { fail "(timeout) print g" }

  }

#step -over

  if ![gdb_skip_stdio_test "next over shr1"] {

      send_gdb "next\n"

      gdb_expect {

          -re ".*address of sgs is $hex.*g = shr2\\(g\\).*$gdb_prompt $" {

              pass "next over shr1"

          }

          -re ".*$gdb_prompt $" { fail "next over shr1" }

          timeout { fail "next over shr1 (timeout)" }

      }

  } else {

      gdb_test "next" "" ""

  }

#print g

send_gdb "print g\n"

gdb_expect {

    -re ".*\[0-9\]* = 2.*$gdb_prompt $" {

        pass "print g" }

    -re ".*$gdb_prompt $" { fail "print  g" }

    timeout           { fail "(timeout) print g" }

  }

#print shr1(1)

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

      send_gdb "print shr1(1)\n"

      gdb_expect {

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

              pass "print shr1(1)"

          }

          -re ".*$gdb_prompt $" { fail "print shr1(1)" }

          timeout               { fail "(timeout) print shr1(1)" }

      }

  }

#print shr1(g)

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

      send_gdb "print shr1(g)\n"

      gdb_expect {

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

              pass "print shr1(g)"

          }

          -re ".*$gdb_prompt $" { fail "print shr1(g)" }

          timeout               { fail "(timeout) 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"] {

    send_gdb "print shr1(1)\n"

    gdb_expect {

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

            pass "print shr1(1) 2nd time"

        }

        -re ".*$gdb_prompt $" { fail "print shr1(1) 2nd time" }

        timeout               { fail "(timeout) print shr1(1) 2nd time" }

    }

}

#print mainshr1(1)

send_gdb "print mainshr1(1)\n"

gdb_expect {

    -re ".*\[0-9\]* = 2.*$gdb_prompt $" {

        pass "print mainshr1(1) from shlib func"

      }

    -re ".*$gdb_prompt $" { fail "print  mainshr1(1) from shlib func" }

    timeout           { fail "(timeout) print mainshr1(1) from shlib func" }

  }

#step -return

    send_gdb "step\n"

    # 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_expect {

        -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)"

            send_gdb "step\n"

            gdb_expect {

                -re "main \\(\\) at.*g = mainshr1\\(g\\);.*$gdb_prompt $" { pass "step out of shr2 epilogue to main"}

                -re ".*$gdb_prompt $" { fail "step out of shr2 epilogue to main" }

                timeout { fail "step out of shr2 epilogue to main (timeout)" }

            }

        }

        -re ".*$gdb_prompt $" { fail "step out of shr2" }

        timeout { fail "step out of shr2 to main (timeout)" }

    }

#print mainshr1(1)

send_gdb "print mainshr1(1)\n"

gdb_expect {

    -re ".*\[0-9\]* = 2.*$gdb_prompt $" {

        pass "print mainshr1(1)"

      }

    -re ".*$gdb_prompt $" { fail "print  mainshr1(1) from main" }

    timeout           { fail "(timeout) print mainshr1(1) from main" }

  }

#step

    send_gdb "step\n"

    gdb_expect {

        -re ".*mainshr1 \\(g=4\\) at.*return 2.g;.*$gdb_prompt $" { pass "step into mainshr1"}

        -re ".*$gdb_prompt $" { fail "step into mainshr1" }

        timeout { fail "step into mainshr1 (timeout)" }

    }

# Start with a fresh gdb.

gdb_exit

gdb_start

gdb_reinitialize_dir $srcdir/$subdir

gdb_load ${binfile}

send_gdb "set print sevenbit-strings\n" ; gdb_expect -re "$gdb_prompt $"

send_gdb "set print address off\n" ; gdb_expect -re "$gdb_prompt $"

send_gdb "set width 0\n" ; gdb_expect -re "$gdb_prompt $"

# 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