-# Copyright 2010 Free Software Foundation, Inc.
+# Copyright 2010-2013 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
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# This test only works on GNU/Linux.
-if { ![isnative] || [is_remote host] || ![istarget *-linux*] } {
+if { ![isnative] || [is_remote host] || [target_info exists use_gdb_stub]
+ || ![istarget *-linux*] || [skip_shlib_tests]} {
continue
}
+load_lib prelink-support.exp
+
set test "break-interp"
-set binprefix ${objdir}/${subdir}/${test}
+set binprefix [standard_output_file ${test}]
# Only to get the $interp_system name.
set srcfile_test "start.c"
set binfile_test ${test}-test
-set srcfile "start.c"
-if {[build_executable ${test}.exp $binfile_test ${srcfile_test} {}] == -1} {
+set binfile_lib ${binprefix}.so
+set srcfile "${test}-main.c"
+set srcfile_lib "${test}-lib.c"
+
+if [get_compiler_info] {
return -1
}
-# Return the interpreter filename string.
-# Return "" if no interpreter was found.
-proc section_get {exec section} {
- global objdir
- global subdir
- set tmp "${objdir}/${subdir}/break-interp.interp"
- set objcopy_program [transform objcopy]
+# Use -soname so that the new library gets copied by build_executable_own_libs.
- set command "exec $objcopy_program -O binary --set-section-flags $section=A --change-section-address $section=0 -j $section $exec $tmp"
- verbose -log "command is $command"
- set result [catch $command output]
- verbose -log "result is $result"
- verbose -log "output is $output"
- if {$result == 1} {
- return ""
- }
- set fi [open $tmp]
- fconfigure $fi -translation binary
- set data [read $fi]
- close $fi
- #file delete $tmp
- # .interp has size $len + 1 but .gnu_debuglink contains garbage after \000.
- set len [string first \000 $data]
- if {$len < 0} {
- verbose -log "section $section not found"
- return ""
- }
- set retval [string range $data 0 [expr $len - 1]]
- verbose -log "section $section is <$retval>"
- return $retval
+if {[gdb_compile_shlib ${srcdir}/${subdir}/${srcfile_lib} ${binfile_lib} [list debug ldflags=-Wl,-soname,${test}.so]] != ""} {
+ return -1
+}
+
+if {[build_executable ${test}.exp $binfile_test ${srcfile_test} {}] == -1} {
+ return -1
}
# Note: The separate debug info file content build-id/crc32 are not verified
}
}
-set interp_system [section_get ${objdir}/${subdir}/$binfile_test .interp]
+set interp_system [section_get [standard_output_file $binfile_test] .interp]
set interp_system_debug [system_debug_get $interp_system]
verbose -log "$interp_system has debug $interp_system_debug"
-proc prelinkNO_run {arg} {
- set command "exec /usr/sbin/prelink -uN $arg"
- verbose -log "command is $command"
- set result [catch $command output]
- verbose -log "result is $result"
- verbose -log "output is $output"
- return [list $result $output]
+proc prelinkNO {arg {name ""}} {
+ return [prelink_no $arg $name]
}
-proc prelinkNO {arg {name {}}} {
- if {$name == ""} {
- set name [file tail $arg]
- }
- set test "unprelink $name"
- set run [prelinkNO_run $arg]
- set result [lindex $run 0]
- set output [lindex $run 1]
- if {$result == 0 && $output == ""} {
- verbose -log "$name has been now unprelinked"
- set run [prelinkNO_run $arg]
- set result [lindex $run 0]
- set output [lindex $run 1]
- }
- # Last line does miss the trailing \n.
- if {$result == 1 && [regexp {^(/usr/sbin/prelink: [^ ]* does not have .gnu.prelink_undo section\n?)*$} $output]} {
- pass $test
- return 1
- } else {
- fail $test
- return 0
- }
+proc prelinkYES {arg {name ""}} {
+ return [prelink_yes $arg $name]
}
-proc prelinkYES {arg {name ""}} {
- if {$name == ""} {
- set name [file tail $arg]
- }
- set test "prelink $name"
- set command "exec /usr/sbin/prelink -qNR --no-exec-shield $arg"
+proc strip_debug {dest} {
+ set test "strip [file tail $dest]"
+ set strip_program [transform strip]
+ set command "exec $strip_program --strip-debug $dest"
verbose -log "command is $command"
- set result [catch $command output]
- verbose -log "result is $result"
- verbose -log "output is $output"
- if {$result == 0 && $output == ""} {
- pass $test
- return 1
- } else {
+ if [catch $command] {
fail $test
return 0
+ } else {
+ pass $test
+ return 1
}
}
-# Resolve symlinks.
-proc symlink_resolve {file} {
- set loop 0
- while {[file type $file] == "link"} {
- set target [file readlink $file]
- if {[file pathtype $target] == "relative"} {
- set src2 [file dirname $file]/$target
- } else {
- set src2 $target
- }
- verbose -log "Resolved symlink $file targetting $target as $src2"
- set file $src2
+# The marker function for the standard runtime linker interface is
+# _dl_debug_state. The probes-based interface has no specific marker
+# function; the probe we will stop on (init_start) is in dl_main so we
+# check for that.
+
+set solib_bp {(_dl_debug_state|dl_main)}
+
+# Implementation of reach.
+
+proc reach_1 {func command displacement} {
+ global gdb_prompt expect_out solib_bp
+
+ if {$func == $solib_bp} {
+ # Breakpoint on _dl_debug_state can have problems due to its overlap
+ # with the existing internal breakpoint from GDB.
+ gdb_test_no_output "set stop-on-solib-events 1"
+ } elseif {! [gdb_breakpoint $func allow-pending]} {
+ return
+ }
- set loop [expr $loop + 1]
- if {$loop > 30} {
- fail "Looping symlink resolution for $file"
- return ""
+ set test "reach"
+ set test_displacement "seen displacement message as $displacement"
+ set debug_state_count 0
+ gdb_test_multiple $command $test {
+ -re "Using PIE \\(Position Independent Executable\\) displacement (0x\[0-9a-f\]+) " {
+ # Missing "$gdb_prompt $" is intentional.
+ if {$expect_out(1,string) == "0x0"} {
+ set case "ZERO"
+ } else {
+ set case "NONZERO"
+ }
+ if {$displacement == $case || $displacement == "PRESENT"} {
+ pass $test_displacement
+ set displacement "FOUND-$displacement"
+ } else {
+ fail $test_displacement
+ }
+ exp_continue
+ }
+ -re "Breakpoint \[0-9\]+, \\.?(__GI_)?$func \\(.*\\) at .*:\[0-9\]+\r\n.*$gdb_prompt $" {
+ if {$func == $solib_bp} {
+ fail $test
+ } else {
+ pass $test
+ }
+ }
+ -re "Breakpoint \[0-9\]+, \[0-9xa-f\]+ in \\.?(__GI_)?$func \\(\\).*\r\n$gdb_prompt $" {
+ if {$func == $solib_bp} {
+ fail $test
+ } else {
+ pass $test
+ }
+ }
+ -re "Stopped due to (spurious )?shared library event.*\r\n$gdb_prompt $" {
+ if {$func == $solib_bp} {
+ if {$debug_state_count == 0} {
+ # First stop does not yet relocate the _start function
+ # descriptor on ppc64.
+ set debug_state_count 1
+ send_gdb "continue\n"
+ exp_continue
+ } else {
+ pass $test
+ }
+ } else {
+ fail $test
+ }
}
}
- return $file
+ if ![regexp {^(NONE|FOUND-.*)$} $displacement] {
+ fail $test_displacement
+ }
+
+ if {$func == $solib_bp} {
+ gdb_test_no_output "set stop-on-solib-events 0"
+ }
}
-proc copy {src dest} {
- set src [symlink_resolve $src]
- # Test name would contain build-id hash for symlink-unresolved $src.
- set test "copy [file tail $src] to [file tail $dest]"
- set command "file copy -force $src $dest"
- verbose -log "command is $command"
- if [catch $command] {
- fail $test
- return 0
- } else {
- pass $test
- return 1
+# `runto' does not check we stopped really at the function we specified.
+# DISPLACEMENT can be "NONE" for no message to be present, "ZERO" for
+# displacement of 0 bytes to be present, "NONZERO" for displacement of non-0
+# bytes to be present and "PRESENT" if both "ZERO" and "NONZERO" are valid.
+proc reach {func command displacement} {
+ with_test_prefix "reach-$func" {
+ reach_1 $func $command $displacement
}
}
-proc strip_debug {dest} {
- set test "strip [file tail $dest]"
- set strip_program [transform strip]
- set command "exec $strip_program --strip-debug $dest"
- verbose -log "command is $command"
- if [catch $command] {
- fail $test
- return 0
- } else {
- pass $test
- return 1
+proc test_core {file displacement} {
+ with_test_prefix "core" {
+ global srcdir subdir gdb_prompt expect_out
+
+ set corefile [core_find $file {} "segv"]
+ if {$corefile == ""} {
+ return
+ }
+
+ gdb_exit
+ gdb_start
+ # Clear it to never find any separate debug infos in $debug_root.
+ gdb_test_no_output "set debug-file-directory" \
+ "set debug-file-directory for core"
+ gdb_reinitialize_dir $srcdir/$subdir
+ gdb_load $file
+
+ # Print the "PIE (Position Independent Executable) displacement" message.
+ gdb_test_no_output "set verbose on"
+
+ set test "core loaded"
+ set test_displacement "seen displacement message as $displacement"
+ gdb_test_multiple "core-file $corefile" $test {
+ -re "Using PIE \\(Position Independent Executable\\) displacement (0x\[0-9a-f\]+) " {
+ # Missing "$gdb_prompt $" is intentional.
+ if {$expect_out(1,string) == "0x0"} {
+ set case "ZERO"
+ } else {
+ set case "NONZERO"
+ }
+ if {$displacement == $case || $displacement == "PRESENT"} {
+ pass $test_displacement
+ set displacement "FOUND-$displacement"
+ } else {
+ fail $test_displacement
+ }
+ exp_continue
+ }
+ -re "Core was generated by .*\r\n#0 .*$gdb_prompt $" {
+ # Do not check the binary filename as it may be truncated.
+ pass $test
+ }
+ }
+ if ![regexp {^(NONE|FOUND-.*)$} $displacement] {
+ fail $test_displacement
+ }
+
+ gdb_test "bt" "#\[0-9\]+ +\[^\r\n\]*\\mlibfunc\\M\[^\r\n\]*\r\n#\[0-9\]+ +\[^\r\n\]*\\mmain\\M.*" "core main bt"
}
}
-# `runto' does not check we stopped really at the function we specified.
-proc reach {func command} {
- global gdb_prompt
+proc test_attach_gdb {file pid displacement prefix} {
+ with_test_prefix "$prefix" {
+ global gdb_prompt expect_out
+
+ gdb_exit
+ gdb_start
+
+ # Print the "PIE (Position Independent Executable) displacement" message.
+ gdb_test_no_output "set verbose on"
+
+ gdb_test "file $file" "Reading symbols from .*done\\." "file"
- if [gdb_breakpoint $func allow-pending] {
- set test "reach $func"
- gdb_test_multiple $command $test {
- -re "Breakpoint \[0-9\]+, $func \\(.*\\) at .*:\[0-9\]+\r\n.*$gdb_prompt $" {
+ set test "attach"
+ gdb_test_multiple "attach $pid" $test {
+ -re "Attaching to (program: .*, )?process $pid\r\n" {
+ # Missing "$gdb_prompt $" is intentional.
pass $test
}
- -re "Breakpoint \[0-9\]+, \[0-9xa-f\]+ in $func \\(\\)( from .*)?\r\n$gdb_prompt $" {
+ }
+
+ set test "attach final prompt"
+ set test_displacement "seen displacement message as $displacement"
+ gdb_test_multiple "" $test {
+ -re "Using PIE \\(Position Independent Executable\\) displacement (0x\[0-9a-f\]+) " {
+ # Missing "$gdb_prompt $" is intentional.
+ if {$expect_out(1,string) == "0x0"} {
+ set case "ZERO"
+ } else {
+ set case "NONZERO"
+ }
+ if {$displacement == $case || $displacement == "PRESENT"} {
+ pass $test_displacement
+ set displacement "FOUND-$displacement"
+ } else {
+ fail $test_displacement
+ }
+ exp_continue
+ }
+ -re "$gdb_prompt $" {
pass $test
}
}
+ if ![regexp {^(NONE|FOUND-.*)$} $displacement] {
+ fail $test_displacement
+ }
+
+ gdb_test "bt" "#\[0-9\]+ +\[^\r\n\]*\\mlibfunc\\M\[^\r\n\]*\r\n#\[0-9\]+ +\[^\r\n\]*\\mmain\\M.*" "attach main bt"
+ gdb_exit
}
}
-proc test_ld {file ifmain} {
- global srcdir subdir gdb_prompt
+proc test_attach {file displacement {relink_args ""}} {
+ global board_info
+ global exec
+
+ gdb_exit
+
+ set test "sleep function started"
+
+ set command "${file} sleep"
+ set res [remote_spawn host $command]
+ if { $res < 0 || $res == "" } {
+ perror "Spawning $command failed."
+ fail $test
+ return
+ }
+ set pid [exp_pid -i $res]
+ gdb_expect {
+ -re "sleeping\r\n" {
+ pass $test
+ }
+ eof {
+ fail "$test (eof)"
+ return
+ }
+ timeout {
+ fail "$test (timeout)"
+ return
+ }
+ }
+
+ if {$relink_args == ""} {
+ test_attach_gdb $exec $pid $displacement "attach"
+ } else {
+ # These could be rather passed as arguments.
+ global interp_saved interp
+
+ foreach relink {YES NO} {
+ # Formerly this test was testing only prelinking of $EXEC. As the
+ # prelink command automatically prelinks all of $EXEC's libraries,
+ # even $INTERP got prelinked. Therefore, we formerly had to
+ # `[file_copy $interp_saved $interp]' to make $INTERP not affected
+ # by this prelinking of $EXEC.
+ #
+ # But now we need to test even prelinking of $INTERP. We could
+ # create a separate test to test just the $INTERP prelinking. For
+ # test simplicity, we merged this test and the test above by not
+ # restoring $INTERP after $EXEC prelink. $INTERP gets restored
+ # later below.
+ #
+ # `(wrong library or version mismatch?)' messages are printed for
+ # $binfile_lib on platforms converting REL->RELA relocations by
+ # prelink (such as on i386). There is no reliable way to verify
+ # the library file matches the running library in such case but
+ # GDB at least attempts to set the right displacement. We test
+ # `libfunc' is present in the backtrace and therefore the
+ # displacement has been guessed right.
+
+ if [prelink$relink $relink_args [file tail $exec]] {
+ # /proc/PID/exe cannot be loaded as it is "EXECNAME (deleted)".
+ test_attach_gdb $exec $pid $displacement "attach-relink$relink"
+ }
+ }
+ file_copy $interp_saved $interp
+ }
+
+ remote_exec host "kill -9 $pid"
+}
+
+proc test_ld {file ifmain trynosym displacement} {
+ global srcdir subdir gdb_prompt expect_out inferior_exited_re solib_bp
# First test normal `file'-command loaded $FILE with symbols.
gdb_exit
gdb_start
# Clear it to never find any separate debug infos in $debug_root.
- gdb_test "set debug-file-directory"
+ gdb_test_no_output "set debug-file-directory"
gdb_reinitialize_dir $srcdir/$subdir
gdb_load $file
- reach "dl_main" run
+ # Print the "PIE (Position Independent Executable) displacement" message.
+ gdb_test_no_output "set verbose on"
+
+ # We want to test the re-run of a PIE in the case where the executable
+ # is loaded with a different displacement, but disable-randomization
+ # prevents that from happening. So turn it off.
+ gdb_test "set disable-randomization off"
+
+ if $ifmain {
+ gdb_test_no_output "set args segv"
+ } else {
+ global binfile_test
+
+ # ld.so needs some executable to run to reach _dl_debug_state.
+ gdb_test_no_output "set args [standard_output_file $binfile_test]" \
+ "set args OBJDIR/${subdir}/$binfile_test"
+ }
+
+ reach $solib_bp "run" $displacement
+
+ gdb_test "bt" "#0 +\[^\r\n\]*\\m(__GI_)?$solib_bp\\M.*" "dl bt"
+
if $ifmain {
- reach "main" continue
+ reach "main" continue "NONE"
+
+ reach "libfunc" continue "NONE"
+
+ gdb_test "bt" "#0 +\[^\r\n\]*\\mlibfunc\\M\[^\r\n\]*\r\n#1 +\[^\r\n\]*\\mmain\\M.*" "main bt"
+ }
+
+ # Try re-run if the new PIE displacement takes effect.
+ gdb_test "kill" "" "kill" {Kill the program being debugged\? \(y or n\) } "y"
+ reach $solib_bp "run" $displacement
+
+ if $ifmain {
+ test_core $file $displacement
+
+ test_attach $file $displacement
+ }
+
+ if !$trynosym {
+ return
+ }
+
+ with_test_prefix "symbol-less" {
+ # Test also `exec-file'-command loaded $FILE - therefore
+ # without symbols. SYMBOL_OBJFILE is not available and only
+ # EXEC_BFD must be used.
+
+ gdb_exit
+ gdb_start
+ # Clear it to never find any separate debug infos in $debug_root.
+ gdb_test_no_output "set debug-file-directory"
+ gdb_reinitialize_dir $srcdir/$subdir
+
+ # Print the "PIE (Position Independent Executable)
+ # displacement" message.
+ gdb_test_no_output "set verbose on"
+
+ # Test no (error) message has been printed by `exec-file'.
+ set escapedfile [string_to_regexp $file]
+ gdb_test "exec-file $file" "exec-file $escapedfile" "load"
+
+ if $ifmain {
+ reach $solib_bp run $displacement
+
+ # Use two separate gdb_test_multiple statements to avoid timeouts due
+ # to slow processing of wildcard capturing long output
+ set test "info files"
+ set entrynohex ""
+ gdb_test_multiple $test $test {
+ -re "\r\n\[\t \]*Entry point:\[\t \]*0x(\[0-9a-f\]+)\r\n" {
+ set entrynohex $expect_out(1,string)
+ gdb_test_multiple "" $test {
+ -re "\r\n$gdb_prompt $" {
+ pass $test
+ }
+ }
+ }
+ }
+
+ # `info sym' cannot be tested for .opd as the binary may not have
+ # symbols.
+ if {[istarget powerpc64-*] && [is_lp64_target]} {
+ set test "convert entry point"
+ gdb_test_multiple "p *(void(*)(void) *) 0x$entrynohex" $test {
+ -re " =( \\(\[^0-9\]*\\))? 0x(\[0-9a-f\]+)( < \[^\r\n\]*)?\r\n$gdb_prompt $" {
+ set entrynohex $expect_out(2,string)
+ pass $test
+ }
+ }
+ }
+ if {$entrynohex != ""} {
+ gdb_test "break *0x$entrynohex" "" "break at entry point"
+ gdb_test "continue" "\r\nBreakpoint \[0-9\]+, 0x0*$entrynohex in .*" "entry point reached"
+ }
+ } else {
+ # There is no symbol to break at ld.so. Moreover it can
+ # exit with an error code.
+
+ set test "ld.so exit"
+ set test_displacement "seen displacement message as $displacement"
+ gdb_test_multiple "run" $test {
+ -re "Using PIE \\(Position Independent Executable\\) displacement (0x\[0-9a-f\]+) " {
+ # Missing "$gdb_prompt $" is intentional.
+ if {$expect_out(1,string) == "0x0"} {
+ set case "ZERO"
+ } else {
+ set case "NONZERO"
+ }
+ if {$displacement == $case || $displacement == "PRESENT"} {
+ pass $test_displacement
+ set displacement "FOUND-$displacement"
+ } else {
+ fail $test_displacement
+ }
+ exp_continue
+ }
+ -re "$inferior_exited_re (normally|with code \[0-9\]+).\r\n$gdb_prompt $" {
+ # Do not check the binary filename as it may be truncated.
+ pass $test
+ }
+ }
+ if ![regexp {^(NONE|FOUND-.*)$} $displacement] {
+ fail $test_displacement
+ }
+ }
}
}
# Create separate binaries for each testcase - to make the possible reported
# problem reproducible after the whole test run finishes.
-set old_ldprefix $pf_prefix
foreach ldprelink {NO YES} {
foreach ldsepdebug {NO IN SEP} {
# Skip running the ldsepdebug test if we do not have system separate
# possibly unprelinked ld.so to test all the combinations for GDB.
set interp_saved ${interp}-saved
- set pf_prefix $old_ldprefix
- lappend pf_prefix "$ldname:"
+ with_test_prefix "$ldname" {
+ if {$ldsepdebug == "NO"} {
+ file_copy $interp_system $interp
+ # Never call strip-debug before unprelink:
+ # prelink: ...: Section .note.gnu.build-id created after prelinking
+ if ![prelinkNO $interp] {
+ continue
+ }
+ strip_debug $interp
+ } elseif {$ldsepdebug == "IN" && $interp_system_debug == ""} {
+ file_copy $interp_system $interp
+ } elseif {$ldsepdebug == "IN" && $interp_system_debug != ""} {
+ file_copy $interp_system $interp
+ file_copy $interp_system_debug "${interp}.debug"
+ # eu-unstrip: DWARF data in '...' not adjusted for prelinking bias; consider prelink -u
+ if {![prelinkNO $interp] || ![prelinkNO "${interp}.debug"]} {
+ continue
+ }
+ set test "eu-unstrip unprelinked:[file tail $interp_system] + [file tail $interp_system_debug] to [file tail $interp]"
+ set command "exec eu-unstrip -o $interp $interp ${interp}.debug"
+ verbose -log "command is $command"
+ if [catch $command] {
+ setup_xfail *-*-*
+ fail $test
+ continue
+ } else {
+ pass $test
+ }
+ } elseif {$ldsepdebug == "SEP" && $interp_system_debug == ""} {
+ file_copy $interp_system $interp
+ # eu-unstrip: DWARF data in '...' not adjusted for prelinking bias; consider prelink -u
+ if ![prelinkNO $interp] {
+ continue
+ }
+ gdb_gnu_strip_debug $interp
+ } elseif {$ldsepdebug == "SEP" && $interp_system_debug != ""} {
+ file_copy $interp_system $interp
+ file_copy $interp_system_debug "${interp}.debug"
+ }
- if {$ldsepdebug == "NO"} {
- copy $interp_system $interp
- # Never call strip-debug before unprelink:
- # prelink: ...: Section .note.gnu.build-id created after prelinking
- if ![prelinkNO $interp] {
- continue
+ if {$ldsepdebug == "SEP"} {
+ if ![prelinkNO "${interp}.debug"] {
+ continue
+ }
+ } else {
+ file delete "${interp}.debug"
}
- strip_debug $interp
- } elseif {$ldsepdebug == "IN" && $interp_system_debug == ""} {
- copy $interp_system $interp
- } elseif {$ldsepdebug == "IN" && $interp_system_debug != ""} {
- copy $interp_system $interp
- copy $interp_system_debug "${interp}.debug"
- # eu-unstrip: DWARF data in '...' not adjusted for prelinking bias; consider prelink -u
- if {![prelinkNO $interp] || ![prelinkNO "${interp}.debug"]} {
+
+ if ![prelink$ldprelink $interp] {
continue
}
- set test "eu-unstrip unprelinked:[file tail $interp_system] + [file tail $interp_system_debug] to [file tail $interp]"
- set command "exec eu-unstrip -o $interp $interp ${interp}.debug"
- verbose -log "command is $command"
- if [catch $command] {
- setup_xfail *-*-*
- fail $test
- continue
+ if {$ldprelink == "NO"} {
+ set displacement "NONZERO"
} else {
- pass $test
- }
- } elseif {$ldsepdebug == "SEP" && $interp_system_debug == ""} {
- copy $interp_system $interp
- # eu-unstrip: DWARF data in '...' not adjusted for prelinking bias; consider prelink -u
- if ![prelinkNO $interp] {
- continue
+ # x86* kernel loads prelinked PIE binary at its
+ # prelinked address but ppc* kernel loads it at a
+ # random address. prelink normally skips PIE binaries
+ # during the system scan.
+ set displacement "PRESENT"
}
- gdb_gnu_strip_debug $interp
- } elseif {$ldsepdebug == "SEP" && $interp_system_debug != ""} {
- copy $interp_system $interp
- copy $interp_system_debug "${interp}.debug"
- }
+ test_ld $interp 0 [expr {$ldsepdebug == "NO"}] $displacement
- if {$ldsepdebug == "SEP"} {
- if ![prelinkNO "${interp}.debug"] {
+ if ![file_copy $interp $interp_saved] {
continue
}
- } else {
- file delete "${interp}.debug"
- }
- if ![prelink$ldprelink $interp] {
- continue
- }
- test_ld $interp 0
-
- if ![copy $interp $interp_saved] {
- continue
- }
- set old_binprefix $pf_prefix
- foreach binprelink {NO YES} {
- foreach binsepdebug {NO IN SEP} {
- foreach binpie {NO YES} {
- # This combination is not possible, non-PIE (fixed address)
- # binary cannot be prelinked to any (other) address.
- if {$binprelink == "YES" && $binpie == "NO"} {
- continue
- }
-
- set binname "BINprelink${binprelink}debug${binsepdebug}pie${binpie}"
- set exec $binprefix-$binname
- set dir ${exec}.d
-
- set pf_prefix $old_binprefix
- lappend pf_prefix "$binname:"
-
- set opts "additional_flags=-Wl,--dynamic-linker,$interp,-rpath,$dir"
- if {$binsepdebug != "NO"} {
- lappend opts {debug}
- }
- if {$binpie == "YES"} {
- lappend opts {additional_flags=-fPIE -pie}
- }
- if {[build_executable ${test}.exp [file tail $exec] $srcfile $opts] == -1} {
- continue;
- }
- if {$binsepdebug == "SEP"} {
- gdb_gnu_strip_debug $exec
- # Just a sanity check. As gdb_gnu_strip_debug uses the
- # "[file dirname $exec]/.debug/[file tail $exec].debug"
- # variant delete the higher-priority exec.debug file.
- file delete "$exec.debug"
- }
-
- # Supply a self-sufficent directory $dir with the required
- # libraries. To make an executable properly prelinked all
- # its dependencies on libraries must be also prelinked. If
- # some of the system libraries is currently not prelinked
- # we have no right to prelink (modify it) at its current
- # system place.
-
- file delete -force $dir
- file mkdir $dir
-
- set command "ldd $exec"
- set result [catch "exec $command" output]
- verbose -log "result of $command is $result"
- verbose -log "output of $command is $output"
- if {$result != 0 || $output == ""} {
- fail $command
- } else {
- pass $command
- }
-
- # gdb testsuite will put there also needless -lm.
- set test "$command output contains libc"
- set libc [regexp -all -inline -line {^.* => (/[^ ]+).*$} $output]
- if {[llength $libc] == 0} {
- fail $test
- } else {
- pass $test
- }
-
- set dests {}
- for {set i 1} {$i < [llength $libc]} {incr i 2} {
- set abspath [lindex $libc $i]
- set dest "$dir/[file tail $abspath]"
- copy $abspath $dest
- lappend dests $dest
- }
-
- if {[prelink$binprelink "--dynamic-linker=$interp --ld-library-path=$dir $exec $interp [concat $dests]" $exec]
- && [copy $interp_saved $interp]} {
- test_ld $exec 1
+ foreach binprelink {NO YES} {
+ foreach binsepdebug {NO IN SEP} {
+ # "ATTACH" is like "YES" but it is modified during
+ # run. It cannot be used for problem
+ # reproducibility after the testcase ends.
+ foreach binpie {NO YES ATTACH} {
+ # This combination is not possible, non-PIE (fixed address)
+ # binary cannot be prelinked to any (other) address.
+ if {$binprelink == "YES" && $binpie == "NO"} {
+ continue
+ }
+
+ set binname "BINprelink${binprelink}debug${binsepdebug}pie${binpie}"
+ set exec $binprefix-$binname
+
+ with_test_prefix "$binname" {
+ set opts "ldflags=-Wl,$binfile_lib,-rpath,[file dirname $binfile_lib]"
+ if {$binsepdebug != "NO"} {
+ lappend opts {debug}
+ }
+ if {$binpie != "NO"} {
+ lappend opts {additional_flags=-fPIE -pie}
+ }
+
+ set dir ${exec}.d
+ set relink_args [build_executable_own_libs ${test}.exp [file tail $exec] $srcfile $opts $interp $dir]
+ if {$relink_args == ""} {
+ continue
+ }
+
+ if {$binsepdebug == "SEP"} {
+ gdb_gnu_strip_debug $exec
+ }
+
+ if {$binpie == "NO"} {
+ set displacement "NONE"
+ } elseif {$binprelink == "NO"} {
+ set displacement "NONZERO"
+ } else {
+ # x86* kernel loads prelinked PIE binary at its prelinked
+ # address but ppc* kernel loads it at a random address.
+ # prelink normally skips PIE binaries during the system scan.
+ set displacement "PRESENT"
+ }
+
+ if {[prelink$binprelink $relink_args [file tail $exec]]
+ && [file_copy $interp_saved $interp]} {
+ if {$binpie != "ATTACH"} {
+ test_ld $exec 1 [expr {$binsepdebug == "NO"}] $displacement
+ } else {
+ # If the file has been randomly prelinked it must be
+ # "NONZERO". We could see "ZERO" only if it was unprelinked
+ # and it is now running at the same address - which is 0 but
+ # executable can never run at address 0.
+
+ set displacement "NONZERO"
+ test_attach $exec $displacement $relink_args
+
+ # ATTACH means that executables and libraries have been
+ # modified after they have been run. They cannot be reused
+ # for problem reproducibility after the testcase ends in
+ # the ATTACH case. Therefore they are rather deleted not
+ # to confuse after the run finishes.
+ set exec_debug [system_debug_get $exec]
+ if {$exec_debug != ""} {
+ # `file delete [glob "${exec_debug}*"]' does not work.
+ foreach f [glob "${exec_debug}*"] {
+ file delete $f
+ }
+ }
+ file delete -force $dir
+ # `file delete [glob "${exec}*"]' does not work.
+ foreach f [glob "${exec}*"] {
+ file delete $f
+ }
+ }
+ }
+ }
}
}
}
- }
- file delete $interp_saved
+ file delete $interp_saved
+ }
}
}
-set pf_prefix $old_ldprefix
projects / deliverable / binutils-gdb.git / blobdiff