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#   Copyright 1997, 1998, 1999, 2000 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

# 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

# are we on a target board?
if ![isnative] then {
    return 0
}

set testfile "shmain"
set libfile "shr"
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}

# build the first test case
if [get_compiler_info ${binfile}] {
    return -1
}

if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}.o" object {debug}] != "" } {
     gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
}


# Build the shared libraries this test case needs.
#

if {$gcc_compiled == 0} {
    if [istarget "hppa*-hp-hpux*"] then {
        set additional_flags "additional_flags=+z"
    } elseif { [istarget "mips-sgi-irix*"] } {
        # Disable SGI compiler's implicit -Dsgi
        set additional_flags "additional_flags=-Usgi"
    } else {
        # don't know what the compiler is...
        set additional_flags ""
    }
} else {
    if { ([istarget "powerpc*-*-aix*"]
       || [istarget "rs6000*-*-aix*"]) } {
        set additional_flags ""
    } else {
        set additional_flags "additional_flags=-fpic"
    }
}

if {[gdb_compile "${srcdir}/${subdir}/${libfile}1.c" "${objdir}/${subdir}/${libfile}1.o" object [list debug $additional_flags]] != ""} {
     gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
}

if {[gdb_compile "${srcdir}/${subdir}/${libfile}2.c" "${objdir}/${subdir}/${libfile}2.o" object [list debug $additional_flags]] != ""} {
     gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
}

if [istarget "hppa*-*-hpux*"] {
    remote_exec build "ld -b ${objdir}/${subdir}/${libfile}1.o -o ${objdir}/${subdir}/${libfile}1.sl"
    remote_exec build "ld -b ${objdir}/${subdir}/${libfile}2.o -o ${objdir}/${subdir}/${libfile}2.sl"
} else {
    set additional_flags "additional_flags=-shared"
    if {[gdb_compile "${objdir}/${subdir}/${libfile}1.o" "${objdir}/${subdir}/${libfile}1.sl" executable [list debug $additional_flags]] != ""} {
        gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
    }
    if {[gdb_compile "${objdir}/${subdir}/${libfile}2.o" "${objdir}/${subdir}/${libfile}2.sl" executable [list debug $additional_flags]] != ""} {
        gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
    }
}

if { ($gcc_compiled 
      &&  ([istarget "powerpc*-*-aix*"]
        || [istarget "rs6000*-*-aix*"] )) } {
    set additional_flags "additional_flags=-L${objdir}/${subdir}"
} elseif { [istarget "mips-sgi-irix*"] } {
    set additional_flags "additional_flags=-rpath ${objdir}/${subdir}"
} else {
    set additional_flags ""
}
if {[gdb_compile "${objdir}/${subdir}/${testfile}.o ${objdir}/${subdir}/${libfile}1.sl ${objdir}/${subdir}/${libfile}2.sl" "${binfile}" executable [list debug $additional_flags]] != ""} {
     gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
}



# 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 $"


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"
    gdb_expect {
        -re ".*\\\}.*$gdb_prompt $" { pass "step inside shr2 (shlib func)"}
        -re ".*$gdb_prompt $" { fail "step inside shr2 (shlib func)" }
        timeout { fail "step inside shr2 (shlib func) (timeout)" }
    }
    
    send_gdb "step\n"
    gdb_expect {
        -re "main \\(\\) at.*g = mainshr1\\(g\\);.*$gdb_prompt $" { pass "step out of shr2 to main"}
        -re ".*$gdb_prompt $" { fail "step out of shr2 to main" }
        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_test "break shr1" "Breakpoint 1.*" "set bp in shared library"

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

if ![is_remote target] {
  gdb_test "run" "Starting program:.*Breakpoint 1,.*" \
        "run to bp in shared library"

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

  gdb_test "run" "Starting program:.*Breakpoint 1,.*" \
        "re-run to bp in shared library (PR's 16495, 18213)"

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

return 0