336 lines
12 KiB
Text
336 lines
12 KiB
Text
# Copyright (C) 1997, 1998, 2007, 2008, 2009, 2010, 2011
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# Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>. */
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if $tracelevel then {
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strace $tracelevel
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}
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if { [skip_hp_tests] } then { continue }
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set testfile "so-thresh"
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set binfile ${objdir}/${subdir}/${testfile}
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if [get_compiler_info ${binfile}] {
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return -1
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}
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# This testcase is relatively large, and therefore can take awhile to
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# load. We'd best set the timeout to something suitable, or we may
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# seem to fail...
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#
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set timeout 60
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# Build procedure for this testcase:
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# ${srcdir}/${subdir}/so-thresh.sh ${subdir}
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# which calls,
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# make -f ${srcdir}/${subdir}/so-thresh.mk <targets> <macros>
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# which builds,
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# genso-thresh (from genso-thresh.c)
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# which generates,
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# lib00-so-thresh.c
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# lib01-so-thresh.c
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# lib02-so-thresh.c
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# so-thresh.lopt (link options file)
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# lib0*-so-thresh.sl (from .c files above)
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# so-thresh (from so-thresh.c)
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# using lib0*-so-thresh.sl and so-thresh.lopt
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#
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# Since so-thresh.mk requires SRCDIR and OBJDIR macro definitions,
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# and SRCDIR / OBJDIR could be in relative path format, we use
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# so-thresh.sh script to pin down SRCDIR / OBJDIR (using $PWD/ prefix
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# when detected relative path values for srcdir / objdir), before the
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# 'cd $subdir' call (when this can be done in TCL here, we can call
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# make directly instead).
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#
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# remote_exec build "sh -c \\\"cd ${objdir}/${subdir}\\; make -v -f ${srcdir}/${subdir}/${testfile}.mk clean require_shlibs all SRCDIR=${srcdir}/${subdir} OBJDIR=${objdir}/${subdir}\\\""
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remote_exec build "${srcdir}/${subdir}/${testfile}.sh $subdir"
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# Only HP-UX (and any other platforms using SOM shared libraries, I
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# guess) interprets the auto-solib-limit variable as a threshhold,
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# rather than a boolean that strictly enables or disables automatic
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# loading of shlib symbol tables.
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#
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# On HP-UX, it is the size threshhold (in megabytes) at which to
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# stop auto loading of symbol tables.
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#
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if ![istarget "hppa*-hp-hpux*"] then {
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setup_xfail "*-*-*"
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}
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# Start with a fresh gdb
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#
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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# This is a test of gdb's ability on HP-UX to stop automatically
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# loading symbols of shared libraries, when the total size of the
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# debugger's symbol table reaches a specified threshhold.
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#
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# On HP-UX, the help text for auto-solib-limit mentions that it
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# serves as a threshhold.
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#
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send_gdb "help set auto-solib-limit\n"
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gdb_expect {
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-re "Set threshold .in Mb. for autoloading shared library symbols.*
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When shared library autoloading is enabled, new libraries will be loaded.*
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only until the total size of shared library symbols exceeds this.*
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threshold in megabytes. Is ignored when using .sharedlibrary.*$gdb_prompt $"\
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{pass "help set auto-solib-limit"}
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-re "$gdb_prompt $"\
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{fail "help set auto-solib-limit"}
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timeout {fail "(timeout) help set auto-solib-limit"}
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}
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# On HP-UX, the threshhold is by default set to 50, which means
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# 50 megabytes.
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#
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send_gdb "show auto-solib-limit\n"
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gdb_expect {
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-re "Threshold .in Mb. for autoloading shared library symbols is $decimal.*$gdb_prompt $"\
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{pass "show auto-solib-limit "}
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-re "$gdb_prompt $"\
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{fail "show auto-solib-limit "}
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timeout {fail "(timeout) show auto-solib-limit "}
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}
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send_gdb "set auto-solib-limit 1\n"
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gdb_expect {
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-re ".*$gdb_prompt $"
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{pass "set auto-solib-limit to 1"}
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-re ".*$gdb_prompt $"
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{fail "set auto-solib-limit to 1"}
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timeout {fail "(timeout) set auto-solib-limit to 1"}
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}
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# We have manually verified that our testcase exceeds 1 Mbytes
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# of heap space in GDB to hold the symbols for the main program
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# and all associated linked-against libraries. Thus, when we
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# run to the program's main, and therefore notice all the linked-
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# against shlibs, we expect to hit the threshhold.
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#
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# (Note that we're not using the expect [runto main] function here,
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# 'cause we want to match on output from the run command.
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#
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send_gdb "break main\n"
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gdb_expect {
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-re "Breakpoint \[0-9\]* at.*$gdb_prompt $"\
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{pass "1 set break at main"}
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-re "$gdb_prompt $"\
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{fail "1 set break at main"}
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timeout {fail "(timeout) 1 set break at main"}
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}
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send_gdb "run\n"
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gdb_expect {
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-re ".*warning. Symbols for some libraries have not been loaded, because.*
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doing so would exceed the size threshold specified by auto-solib-limit.*
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To manually load symbols, use the 'sharedlibrary' command.*
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To raise the threshold, set auto-solib-limit to a larger value and rerun.*
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the program.*$gdb_prompt $"\
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{pass "run to main hit auto-solib-limit threshold"}
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-re "$gdb_prompt $"\
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{fail "run to main hit auto-solib-limit threshold"}
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timeout {fail "(timeout) run to main hit auto-solib-limit threshold"}
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}
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# Verify that "info share" mentions something about libraries whose
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# symbols weren't loaded.
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#
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# We'll assume that at least the last two shlib's symbols weren't
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# loaded. As a side-effect of matching this pattern, the text start
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# address of the last one is captured in expect_out(1,string).
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# (we'll need it for the 'add-symbol-file' command in a nonce...)
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#
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send_gdb "info sharedlibrary\n"
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gdb_expect {
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-re ".*lib01_$testfile.sl .*symbols not loaded.*0x\[0-9\]* (0x\[0-9a-fA-F\]*).*$gdb_prompt $"\
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{ send_gdb "add-symbol-file lib02_$testfile.sl $expect_out(1,string)\n"
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gdb_expect {
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-re "add symbol table.*y or n.*$"\
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{send_gdb "y\n"
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gdb_expect {
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-re "$gdb_prompt $" {pass "add-symbol-file and info sharedlib"}
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timeout {fail "(timeout) add-symbol-file and info sharedlib"}
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}}
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-re "$gdb_prompt $"\
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{fail "add-symbol-file and info sharedlib"}
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timeout {fail "(timeout) add-symbol-file and info sharedlib"}
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}
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}
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-re "$gdb_prompt $" {
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setup_xfail hppa*-*-* CHFts24108
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fail "info sharedlibrary shows shlibs with unloaded symbols"
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}
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timeout {fail "(timeout) info sharedlibrary shows shlibs with unloaded symbols"}
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}
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# Verify that we can manually load the symbol table of a library
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# whose symbols weren't loaded. (We'll pick the last one.)
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#
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# I moved this test inside the one above, because the expect_out array is not ok if the
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# previous test has failed, and expect would error out (elz)
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#
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#send_gdb "add-symbol-file lib02_$testfile.sl $expect_out(1,string)\n"
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#gdb_expect {
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# -re "add symbol table.*y or n.*$"\
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# {send_gdb "y\n"
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# gdb_expect {
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# -re "$gdb_prompt $" {pass "add-symbol-file"}
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# timeout {fail "(timeout) add-symbol-file"}
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# }}
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# -re "$gdb_prompt $"\
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# {fail "add-symbol-file"}
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# timeout {fail "(timeout) add-symbol-file"}
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#}
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# Verify that we can manually load the symbols for all libraries
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# which weren't already loaded.
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#
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# Warning! On a machine with little free swap space, this may
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# fail!
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#
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send_gdb "sharedlibrary\n"
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gdb_expect {
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-re "Reading symbols from.*done.*$gdb_prompt $"\
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{pass "sharedlibrary"}
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-re "$gdb_prompt $" {
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setup_xfail hppa*-*-* CHFts24108
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fail "sharedlibrary"
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}
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timeout {fail "(timeout) sharedlibrary"}
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}
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# Rerun the program, this time verifying that we can set the
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# threshhold high enough to avoid hitting it.
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#
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# It appears that gdb isn't freeing memory when rerunning, as one
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# would expect. To avoid potentially hitting a virtual memory
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# ceiling, start with a fresh gdb.
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#
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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send_gdb "break main\n"
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gdb_expect {
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-re "Breakpoint \[0-9\]* at.*$gdb_prompt $"\
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{pass "2 set break at main"}
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-re "$gdb_prompt $"\
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{fail "2 set break at main"}
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timeout {fail "(timeout) 2 set break at main"}
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}
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send_gdb "set auto-solib-limit 9999\n"
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gdb_expect {
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-re "$gdb_prompt $"\
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{pass "set auto-solib-limit threshold to practical infinity"}
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timeout {fail "(timeout) set auto-solib-limit threshold to practical infinity"}
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}
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send_gdb "run\n"
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gdb_expect {
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-re ".*warning. Symbols for some libraries have not been loaded, because.*
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doing so would exceed the size threshold specified by auto-solib-limit.*
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To manually load symbols, use the 'sharedlibrary' command.*
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To raise the threshold, set auto-solib-limit to a larger value and rerun.*
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the program.*$gdb_prompt $"\
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{fail "rerun threshold at practical infinity (still hit threshold)"}
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-re "$gdb_prompt $"\
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{pass "rerun with threshold at practical infinity"}
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timeout {fail "(timeout) rerun with threshold at practical infinity"}
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}
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# Rerun the program, this time altogether disabling the auto loading
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# feature. There should be no information at all about shared
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# libraries now.
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#
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# ??rehrauer: Personally, I'd call that a bug, since it doesn't give
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# you the ability to manually load single shlibs (you need the text
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# start address that 'info share' normall gives you). On the other
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# hand, one can easily choose to load them all...
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#
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# It appears that gdb isn't freeing memory when rerunning, as one
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# would expect. To avoid potentially hitting a virtual memory
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# ceiling, start with a fresh gdb.
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#
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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send_gdb "break main\n"
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gdb_expect {
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-re "Breakpoint \[0-9\]* at.*$gdb_prompt $"\
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{pass "3 set break at main"}
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-re "$gdb_prompt $"\
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{fail "3 set break at main"}
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timeout {fail "(timeout) 3 set break at main"}
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}
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send_gdb "set auto-solib-limit 0\n"
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gdb_expect {
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-re "$gdb_prompt $"\
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{pass "set auto-solib-limit threshold to 0"}
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timeout {fail "(timeout) set auto-solib-limit threshold to 0"}
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}
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send_gdb "run\n"
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gdb_expect {
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-re ".*warning. Symbols for some libraries have not been loaded, because.*
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doing so would exceed the size threshold specified by auto-solib-limit.*
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To manually load symbols, use the 'sharedlibrary' command.*
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To raise the threshold, set auto-solib-limit to a larger value and rerun.*
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the program.*$gdb_prompt $"\
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{fail "rerun threshold at 0 (still hit threshold)"}
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-re "$gdb_prompt $"\
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{pass "rerun with threshold at 0"}
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timeout {fail "(timeout) rerun with threshold at 0"}
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}
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# Verify that we can still manually load symbols for all libraries.
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# (We'll assume that if the last shlib's symbols are loaded, that
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# all of them were.)
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#
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# Note that we set the GDB "height" variable to prevent GDB from
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# prompting
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#
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# Warning! On a machine with little free swap space, this may
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# fail!
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#
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send_gdb "set height 9999\n"
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gdb_expect {
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-re "$gdb_prompt $"\
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{pass "set screen page height to practical infinity"}
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timeout {fail "(timeout) set screen page height to practical infinity"}
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}
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send_gdb "sharedlibrary\n"
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gdb_expect {
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-re ".*Reading symbols from .*/lib02-so-thresh\\.sl\\.\\.\\.done\\..*$gdb_prompt $"\
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{pass "manually load all symbols"}
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-re "$gdb_prompt $" {
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setup_xfail hppa*-*-* CHFts24108
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fail "manually load all symbols (CHFts24108)"
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}
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timeout {fail "(timeout) manually load all symbols"}
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}
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return 0
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