c1e5657246
* infrun.c (follow_exec): Replace symbol_file_add_main by symbol_file_add with SYMFILE_DEFER_BP_RESET, set_initial_language and breakpoint_re_set. * m32r-rom.c (m32r_load, m32r_upload_command): Use parameter 0 for clear_symtab_users. * objfiles.c (free_all_objfiles): Likewise. * remote-m32r-sdi.c (m32r_load): Likewise. * solib-som.c (som_solib_create_inferior_hook): Likewise. * symfile.c (new_symfile_objfile): New comment for add_flags. Call clear_symtab_users with ADD_FLAGS. (reread_symbols): Use parameter 0 for clear_symtab_users. (clear_symtab_users): New parameter add_flags. Do not call breakpoint_re_set if SYMFILE_DEFER_BP_RESET. (clear_symtab_users_cleanup): Use parameter 0 for clear_symtab_users. * symtab.h (clear_symtab_users): New parameter add_flags. gdb/testsuite/ * gdb.base/pie-execl.exp: New file. * gdb.base/pie-execl.c: New file.
100 lines
2.8 KiB
Text
100 lines
2.8 KiB
Text
# 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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# The problem was due to amd64_skip_prologue attempting to access inferior
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# memory before the PIE (Position Independent Executable) gets relocated.
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if ![istarget *-linux*] {
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continue
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}
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# Remote protocol does not support follow-exec notifications.
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if [is_remote target] {
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continue
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}
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set testfile "pie-execl"
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set srcfile ${testfile}.c
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set executable1 ${testfile}1
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set executable2 ${testfile}2
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set binfile1 ${objdir}/${subdir}/${executable1}
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set binfile2 ${objdir}/${subdir}/${executable2}
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# Use conditional compilation according to `BIN' as GDB remembers the source
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# file name of the breakpoint.
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set opts [list debug {additional_flags=-fPIE -pie}]
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if {[build_executable ${testfile}.exp $executable1 $srcfile [concat $opts {additional_flags=-DBIN=1}]] == ""
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|| [build_executable ${testfile}.exp $executable2 $srcfile [concat $opts {additional_flags=-DBIN=2}]] == ""} {
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return -1
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}
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clean_restart ${executable1}
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gdb_test_no_output "set args ${binfile2}"
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if ![runto_main] {
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return -1
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}
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# Do not stop on `main' after re-exec.
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delete_breakpoints
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gdb_breakpoint "pie_execl_marker"
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gdb_test "info breakpoints" ".*" ""
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set addr1 ""
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set test "pie_execl_marker address first"
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gdb_test_multiple "p/x &pie_execl_marker" $test {
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-re " = (0x\[0-9a-f\]+)\r\n$gdb_prompt $" {
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set addr1 $expect_out(1,string)
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pass $test
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}
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}
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verbose -log "addr1 is $addr1"
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set test "continue"
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gdb_test_multiple $test $test {
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-re "Error in re-setting breakpoint" {
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fail $test
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}
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-re "Cannot access memory" {
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fail $test
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}
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-re "pie-execl: re-exec.*executing new program.*\r\nBreakpoint \[0-9\]+,\[^\r\n\]* pie_execl_marker .*\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 breakpoints" ".*" ""
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set addr2 ""
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set test "pie_execl_marker address second"
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gdb_test_multiple "p/x &pie_execl_marker" $test {
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-re " = (0x\[0-9a-f\]+)\r\n$gdb_prompt $" {
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set addr2 $expect_out(1,string)
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pass $test
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}
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}
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verbose -log "addr2 is $addr2"
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# Ensure we cannot get a false PASS and the inferior has really changed.
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set test "pie_execl_marker address has changed"
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if [string equal $addr1 $addr2] {
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fail $test
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} else {
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pass $test
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}
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