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# Copyright 1997, 1998, 1999, 2000, 2004, 2007
# 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 <http://www.gnu.org/licenses/>.
# 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
|
