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492928e407
Fix deadlock on looped list of loaded shared objects. * solib-svr4.c (LM_PREV): New function. (IGNORE_FIRST_LINK_MAP_ENTRY): Use it. (svr4_current_sos): Check for correct l_prev. New variables prev_lm and next_lm. Clear prev_lm for solib_svr4_r_ldsomap. * config/djgpp/fnchange.lst: Add translation for solib-corrupted.exp. gdb/testsuite/ Fix deadlock on looped list of loaded shared objects. * gdb.base/solib-corrupted.exp: New.
47 lines
1.6 KiB
Plaintext
47 lines
1.6 KiB
Plaintext
# Copyright 2010 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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set testfile "solib-corrupted"
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set srcfile start.c
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if { [prepare_for_testing ${testfile}.exp ${testfile} ${srcfile}] } {
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untested ${testfile}.exp
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return -1
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}
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if ![runto_main] {
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fail "Can't run to main"
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return
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}
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gdb_test "info sharedlibrary" "" "normal list"
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# GDB checks there for matching L_PREV.
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set test "make solibs looping"
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gdb_test_multiple "p/x _r_debug->r_map->l_next = _r_debug->r_map" $test {
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-re "(No symbol \"_r_debug\" in current context\\.|Attempt to extract a component of a value that is not a structure pointer\\.)\r\n$gdb_prompt $" {
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# glibc debug info is not available and it is too difficult to find and
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# parse it from this testcase without the gdb supporting functions.
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verbose -log "no _r_debug symbol has been found"
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xfail $test
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untested ${testfile}.exp
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return
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}
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-re " = 0x\[0-9a-f\]+\r\n$gdb_prompt $" {
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pass $test
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}
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}
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gdb_test "info sharedlibrary" "warning: Corrupted shared library list\r\n.*" "corrupted list"
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