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gdb.12810
gdb-6.3-test-pie-20050107.patch
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File gdb-6.3-test-pie-20050107.patch of Package gdb.12810
From FEDORA_PATCHES Mon Sep 17 00:00:00 2001 From: Fedora GDB patches <invalid@email.com> Date: Fri, 27 Oct 2017 21:07:50 +0200 Subject: gdb-6.3-test-pie-20050107.patch ;; VSYSCALL and PIE ;;=fedoratest diff --git a/gdb/testsuite/gdb.pie/attach.c b/gdb/testsuite/gdb.pie/attach.c new file mode 100644 --- /dev/null +++ b/gdb/testsuite/gdb.pie/attach.c @@ -0,0 +1,20 @@ +/* This program is intended to be started outside of gdb, and then + attached to by gdb. Thus, it simply spins in a loop. The loop + is exited when & if the variable 'should_exit' is non-zero. (It + is initialized to zero in this program, so the loop will never + exit unless/until gdb sets the variable to non-zero.) + */ +#include <stdio.h> + +int should_exit = 0; + +int main () +{ + int local_i = 0; + + while (! should_exit) + { + local_i++; + } + return 0; +} diff --git a/gdb/testsuite/gdb.pie/attach.exp b/gdb/testsuite/gdb.pie/attach.exp new file mode 100644 --- /dev/null +++ b/gdb/testsuite/gdb.pie/attach.exp @@ -0,0 +1,416 @@ +# Copyright 1997, 1999, 2002 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 2 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, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +# On HP-UX 11.0, this test is causing a process running the program +# "attach" to be left around spinning. Until we figure out why, I am +# commenting out the test to avoid polluting tiamat (our 11.0 nightly +# test machine) with these processes. RT +# +# Setting the magic bit in the target app should work. I added a +# "kill", and also a test for the R3 register warning. JB +if { [istarget "hppa*-*-hpux*"] } { + return 0 +} + +# are we on a target board +if [is_remote target] then { + return 0 +} + +set testfile "attach" +set srcfile ${testfile}.c +set srcfile2 ${testfile}2.c +set binfile [standard_output_file ${testfile}] +set binfile2 [standard_output_file ${testfile}2] +set escapedbinfile [string_to_regexp [standard_output_file ${testfile}]] +set cleanupfile [standard_output_file ${testfile}.awk] + +#execute_anywhere "rm -f ${binfile} ${binfile2}" +remote_exec build "rm -f ${binfile} ${binfile2}" +# For debugging this test +# +#log_user 1 + +# Clean out any old files from past runs. +# +remote_exec build "${cleanupfile}" + +# build the first test case +# +if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug "additional_flags= -fpie -pie"}] != "" } { + gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." +} + +# Build the in-system-call test + +if { [gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${binfile2}" executable {debug "additional_flags= -fpie -pie"}] != "" } { + gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." +} + +if [get_compiler_info ${binfile}] { + return -1 +} + +proc do_attach_tests {} { + global gdb_prompt + global binfile + global escapedbinfile + global srcfile + global testfile + global subdir + global timeout + + # Start the program running and then wait for a bit, to be sure + # that it can be attached to. + # + set testpid [eval exec $binfile &] + exec sleep 2 + + # Verify that we cannot attach to nonsense. + # + send_gdb "attach abc\n" + gdb_expect { + -re ".*Illegal process-id: abc.*$gdb_prompt $"\ + {pass "attach to nonsense is prohibited"} + -re "Attaching to.*, process .*couldn't open /proc file.*$gdb_prompt $"\ + { + # Response expected from /proc-based systems. + pass "attach to nonsense is prohibited" + } + -re "Attaching to.*$gdb_prompt $"\ + {fail "attach to nonsense is prohibited (bogus pid allowed)"} + -re "$gdb_prompt $" {fail "attach to nonsense is prohibited"} + timeout {fail "(timeout) attach to nonsense is prohibited"} + } + + # Verify that we cannot attach to what appears to be a valid + # process ID, but is a process that doesn't exist. Traditionally, + # most systems didn't have a process with ID 0, so we take that as + # the default. However, there are a few exceptions. + # + set boguspid 0 + if { [istarget "*-*-*bsd*"] } { + # In FreeBSD 5.0, PID 0 is used for "swapper". Use -1 instead + # (which should have the desired effect on any version of + # FreeBSD, and probably other *BSD's too). + set boguspid -1 + } + send_gdb "attach $boguspid\n" + gdb_expect { + -re "Attaching to.*, process $boguspid.*No such process.*$gdb_prompt $"\ + { + # Response expected on ptrace-based systems (i.e. HP-UX 10.20). + pass "attach to nonexistent process is prohibited" + } + -re "Attaching to.*, process $boguspid failed.*Hint.*$gdb_prompt $"\ + { + # Response expected on ttrace-based systems (i.e. HP-UX 11.0). + pass "attach to nonexistent process is prohibited" + } + -re "Attaching to.*, process $boguspid.*denied.*$gdb_prompt $"\ + {pass "attach to nonexistent process is prohibited"} + -re "Attaching to.*, process $boguspid.*not permitted.*$gdb_prompt $"\ + {pass "attach to nonexistent process is prohibited"} + -re "Attaching to.*, process .*couldn't open /proc file.*$gdb_prompt $"\ + { + # Response expected from /proc-based systems. + pass "attach to nonexistent process is prohibited" + } + -re "$gdb_prompt $" {fail "attach to nonexistent process is prohibited"} + timeout { + fail "(timeout) attach to nonexistent process is prohibited" + } + } + + # Verify that we can attach to the process by first giving its + # executable name via the file command, and using attach with + # the process ID. + # + # (Actually, the test system appears to do this automatically + # for us. So, we must also be prepared to be asked if we want + # to discard an existing set of symbols.) + # + send_gdb "file $binfile\n" + gdb_expect { + -re "Load new symbol table from.*y or n.*$" { + send_gdb "y\n" + gdb_expect { + -re "Reading symbols from $escapedbinfile\.\.\.*done.*$gdb_prompt $"\ + {pass "(re)set file, before attach1"} + -re "$gdb_prompt $" {fail "(re)set file, before attach1"} + timeout {fail "(timeout) (re)set file, before attach1"} + } + } + -re "Reading symbols from $escapedbinfile\.\.\.*done.*$gdb_prompt $"\ + {pass "set file, before attach1"} + -re "$gdb_prompt $" {fail "set file, before attach1"} + timeout {fail "(timeout) set file, before attach1"} + } + + send_gdb "attach $testpid\n" + gdb_expect { + -re "Attaching to program.*`?$escapedbinfile'?, process $testpid.*main.*at .*$srcfile:.*$gdb_prompt $"\ + {pass "attach1, after setting file"} + -re "$gdb_prompt $" {fail "attach1, after setting file"} + timeout {fail "(timeout) attach1, after setting file"} + } + + # Verify that we can "see" the variable "should_exit" in the + # program, and that it is zero. + # + send_gdb "print should_exit\n" + gdb_expect { + -re ".* = 0.*$gdb_prompt $"\ + {pass "after attach1, print should_exit"} + -re "$gdb_prompt $" {fail "after attach1, print should_exit"} + timeout {fail "(timeout) after attach1, print should_exit"} + } + + # Detach the process. + # + send_gdb "detach\n" + gdb_expect { + -re "Detaching from program: .*$escapedbinfile.*$gdb_prompt $"\ + {pass "attach1 detach"} + -re "$gdb_prompt $" {fail "attach1 detach"} + timeout {fail "(timeout) attach1 detach"} + } + + # Wait a bit for gdb to finish detaching + # + exec sleep 5 + + # Purge the symbols from gdb's brain. (We want to be certain + # the next attach, which won't be preceded by a "file" command, + # is really getting the executable file without our help.) + # + set old_timeout $timeout + set timeout 15 + send_gdb "file\n" + gdb_expect { + -re ".*gdb internal error.*$" { + fail "Internal error, prob. Memory corruption" + } + -re "No executable file now.*Discard symbol table.*y or n.*$" { + send_gdb "y\n" + gdb_expect { + -re "No symbol file now.*$gdb_prompt $"\ + {pass "attach1, purging symbols after detach"} + -re "$gdb_prompt $" {fail "attach1, purging symbols after detach"} + timeout {fail "(timeout) attach1, purging symbols after detach"} + } + } + -re "$gdb_prompt $" {fail "attach1, purging file after detach"} + timeout { + fail "(timeout) attach1, purging file after detach" + } + } + set timeout $old_timeout + + # Verify that we can attach to the process just by giving the + # process ID. + # + send_gdb "attach $testpid\n" + gdb_expect { + -re "Attaching to process $testpid.*Reading symbols from $escapedbinfile.*main.*at .*$gdb_prompt $"\ + {pass "attach2"} + -re "$gdb_prompt $" {fail "attach2"} + timeout {fail "(timeout) attach2"} + } + + # Verify that we can modify the variable "should_exit" in the + # program. + # + send_gdb "set should_exit=1\n" + gdb_expect { + -re "$gdb_prompt $" {pass "after attach2, set should_exit"} + timeout {fail "(timeout) after attach2, set should_exit"} + } + + # Verify that the modification really happened. + # + send_gdb "tbreak 19\n" + gdb_expect { + -re "reakpoint .*at.*$srcfile, line 19.*$gdb_prompt $"\ + {pass "after attach2, set tbreak postloop"} + -re "$gdb_prompt $" {fail "after attach2, set tbreak postloop"} + timeout {fail "(timeout) after attach2, set tbreak postloop"} + } + send_gdb "continue\n" + gdb_expect { + -re "main.*at.*$srcfile:19.*$gdb_prompt $"\ + {pass "after attach2, reach tbreak postloop"} + -re "$gdb_prompt $" {fail "after attach2, reach tbreak postloop"} + timeout {fail "(timeout) after attach2, reach tbreak postloop"} + } + + # Allow the test process to exit, to cleanup after ourselves. + # + gdb_test "continue" {\[Inferior .* exited normally\]} "after attach2, exit" + + # Make sure we don't leave a process around to confuse + # the next test run (and prevent the compile by keeping + # the text file busy), in case the "set should_exit" didn't + # work. + # + remote_exec build "kill -9 ${testpid}" + # Start the program running and then wait for a bit, to be sure + # that it can be attached to. + # + set testpid [eval exec $binfile &] + exec sleep 2 + + # Verify that we can attach to the process, and find its a.out + # when we're cd'd to some directory that doesn't contain the + # a.out. (We use the source path set by the "dir" command.) + # + send_gdb "dir [file dirname [standard_output_file ${testfile}]]\n" + gdb_expect { + -re ".*Source directories searched: .*$gdb_prompt $"\ + {pass "set source path"} + -re "$gdb_prompt $" {fail "set source path"} + timeout {fail "(timeout) set source path"} + } + + send_gdb "cd /tmp\n" + gdb_expect { + -re ".*Working directory /tmp.*$gdb_prompt $"\ + {pass "cd away from process' a.out"} + -re "$gdb_prompt $" {fail "cd away from process' a.out"} + timeout {fail "(timeout) cd away from process' a.out"} + } + + # Explicitly flush out any knowledge of the previous attachment. + send_gdb "symbol\n" + gdb_expect { + -re ".*Discard symbol table from.*y or n. $"\ + {send_gdb "y\n" + gdb_expect { + -re ".*No symbol file now.*$gdb_prompt $"\ + {pass "before attach3, flush symbols"} + -re "$gdb_prompt $" {fail "before attach3, flush symbols"} + timeout {fail "(timeout) before attach3, flush symbols"} + } + } + -re ".*No symbol file now.*$gdb_prompt $"\ + {pass "before attach3, flush symbols"} + -re "$gdb_prompt $" {fail "before attach3, flush symbols"} + timeout {fail "(timeout) before attach3, flush symbols"} + } + send_gdb "exec\n" + gdb_expect { + -re ".*No executable file now.*$gdb_prompt $"\ + {pass "before attach3, flush exec"} + -re "$gdb_prompt $" {fail "before attach3, flush exec"} + timeout {fail "(timeout) before attach3, flush exec"} + } + + send_gdb "attach $testpid\n" + gdb_expect { + -re "Attaching to process $testpid.*Reading symbols from $escapedbinfile.*main.*at .*$gdb_prompt $"\ + {pass "attach when process' a.out not in cwd"} + -re "$gdb_prompt $" {fail "attach when process' a.out not in cwd"} + timeout {fail "(timeout) attach when process' a.out not in cwd"} + } + + send_gdb "kill\n" + gdb_expect { + -re ".*Kill the program being debugged.*y or n. $"\ + {send_gdb "y\n" + gdb_expect { + -re "$gdb_prompt $" {pass "after attach3, exit"} + timeout {fail "(timeout) after attach3, exit"} + } + } + -re "$gdb_prompt $" {fail "after attach3, exit"} + timeout {fail "(timeout) after attach3, exit"} + } + + # Another "don't leave a process around" + remote_exec build "kill -9 ${testpid}" +} + +proc do_call_attach_tests {} { + global gdb_prompt + global binfile2 + + # Start the program running and then wait for a bit, to be sure + # that it can be attached to. + # + set testpid [eval exec $binfile2 &] + exec sleep 2 + + # Attach + # + gdb_test "file $binfile2" ".*" "force switch to gdb64, if necessary" + send_gdb "attach $testpid\n" + gdb_expect { + -re ".*warning: reading register.*I.*O error.*$gdb_prompt $" { + fail "attach call, read register 3 error" + } + -re "Attaching to.*process $testpid.*$gdb_prompt $" { + # libc is relocated, not relocated, therefore not printed. + pass "attach call" + } + -re "$gdb_prompt $" {fail "attach call"} + timeout {fail "(timeout) attach call"} + } + + # See if other registers are problems + # + send_gdb "i r r3\n" + gdb_expect { + -re ".*warning: reading register.*$gdb_prompt $" { + pass "CHFts23490: known bug" + } + -re ".*r3.*$gdb_prompt $" { + pass "Bug fixed, Yayyy!" + } + timeout { fail "timeout on info reg" } + } + + # Get rid of the process + # + gdb_test "p should_exit = 1" ".*" + gdb_test "c" {\[Inferior .* exited normally\]} + + # Be paranoid + # + remote_exec build "kill -9 ${testpid}" + +} + + +# Start with a fresh gdb +# +gdb_exit +gdb_start +gdb_reinitialize_dir $srcdir/$subdir +gdb_load ${binfile} + +# This is a test of gdb's ability to attach to a running process. +# +do_attach_tests + +# Test attaching when the target is inside a system call +# +gdb_exit +gdb_start + +gdb_reinitialize_dir $srcdir/$subdir +do_call_attach_tests + +return 0 diff --git a/gdb/testsuite/gdb.pie/attach2.c b/gdb/testsuite/gdb.pie/attach2.c new file mode 100644 --- /dev/null +++ b/gdb/testsuite/gdb.pie/attach2.c @@ -0,0 +1,24 @@ +/* This program is intended to be started outside of gdb, and then + attached to by gdb. Thus, it simply spins in a loop. The loop + is exited when & if the variable 'should_exit' is non-zero. (It + is initialized to zero in this program, so the loop will never + exit unless/until gdb sets the variable to non-zero.) + */ +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +int should_exit = 0; + +int main () +{ + int local_i = 0; + + sleep( 10 ); /* System call causes register fetch to fail */ + /* This is a known HPUX "feature" */ + while (! should_exit) + { + local_i++; + } + return (0); +} diff --git a/gdb/testsuite/gdb.pie/break.c b/gdb/testsuite/gdb.pie/break.c new file mode 100644 --- /dev/null +++ b/gdb/testsuite/gdb.pie/break.c @@ -0,0 +1,146 @@ +/* This testcase is part of GDB, the GNU debugger. + + Copyright 1992, 1993, 1994, 1995, 1999, 2002, 2003 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 2 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, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + + Please email any bugs, comments, and/or additions to this file to: + bug-gdb@prep.ai.mit.edu */ + +#ifdef vxworks + +# include <stdio.h> + +/* VxWorks does not supply atoi. */ +static int +atoi (z) + char *z; +{ + int i = 0; + + while (*z >= '0' && *z <= '9') + i = i * 10 + (*z++ - '0'); + return i; +} + +/* I don't know of any way to pass an array to VxWorks. This function + can be called directly from gdb. */ + +vxmain (arg) +char *arg; +{ + char *argv[2]; + + argv[0] = ""; + argv[1] = arg; + main (2, argv, (char **) 0); +} + +#else /* ! vxworks */ +# include <stdio.h> +# include <stdlib.h> +#endif /* ! vxworks */ + +#ifdef PROTOTYPES +extern int marker1 (void); +extern int marker2 (int a); +extern void marker3 (char *a, char *b); +extern void marker4 (long d); +#else +extern int marker1 (); +extern int marker2 (); +extern void marker3 (); +extern void marker4 (); +#endif + +/* + * This simple classical example of recursion is useful for + * testing stack backtraces and such. + */ + +#ifdef PROTOTYPES +int factorial(int); + +int +main (int argc, char **argv, char **envp) +#else +int +main (argc, argv, envp) +int argc; +char *argv[], **envp; +#endif +{ +#ifdef usestubs + set_debug_traps(); /* set breakpoint 5 here */ + breakpoint(); +#endif + if (argc == 12345) { /* an unlikely value < 2^16, in case uninited */ /* set breakpoint 6 here */ + fprintf (stderr, "usage: factorial <number>\n"); + return 1; + } + printf ("%d\n", factorial (atoi ("6"))); /* set breakpoint 1 here */ + /* set breakpoint 12 here */ + marker1 (); /* set breakpoint 11 here */ + marker2 (43); /* set breakpoint 20 here */ + marker3 ("stack", "trace"); /* set breakpoint 21 here */ + marker4 (177601976L); + argc = (argc == 12345); /* This is silly, but we can step off of it */ /* set breakpoint 2 here */ + return argc; /* set breakpoint 10 here */ +} + +#ifdef PROTOTYPES +int factorial (int value) +#else +int factorial (value) +int value; +#endif +{ + if (value > 1) { /* set breakpoint 7 here */ + value *= factorial (value - 1); + } + return (value); /* set breakpoint 19 here */ +} + +#ifdef PROTOTYPES +int multi_line_if_conditional (int a, int b, int c) +#else +int multi_line_if_conditional (a, b, c) + int a, b, c; +#endif +{ + if (a /* set breakpoint 3 here */ + && b + && c) + return 0; + else + return 1; +} + +#ifdef PROTOTYPES +int multi_line_while_conditional (int a, int b, int c) +#else +int multi_line_while_conditional (a, b, c) + int a, b, c; +#endif +{ + while (a /* set breakpoint 4 here */ + && b + && c) + { + a--, b--, c--; + } + return 0; +} diff --git a/gdb/testsuite/gdb.pie/break.exp b/gdb/testsuite/gdb.pie/break.exp new file mode 100644 --- /dev/null +++ b/gdb/testsuite/gdb.pie/break.exp @@ -0,0 +1,954 @@ +# Copyright 1988, 1990, 1991, 1992, 1994, 1995, 1996, 1997, 1998, 1999, +# 2000, 2002, 2003, 2004 +# 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 2 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, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +# Please email any bugs, comments, and/or additions to this file to: +# bug-gdb@prep.ai.mit.edu + +# This file was written by Rob Savoye. (rob@cygnus.com) + +# Test the same stuff but with PIE executables + +set testfile "break" +set srcfile ${testfile}.c +set srcfile1 ${testfile}1.c +set binfile [standard_output_file ${testfile}] + +if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}0.o" object {debug "additional_flags=-w -fpie -pie"}] != "" } { + gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." +} + +if { [gdb_compile "${srcdir}/${subdir}/${srcfile1}" "${binfile}1.o" object {debug "additional_flags=-w -fpie -pie"}] != "" } { + gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." +} + +if { [gdb_compile "${binfile}0.o ${binfile}1.o" "${binfile}" executable {debug "additional_flags=-w -fpie -pie"}] != "" } { + gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." +} + +if [get_compiler_info ${binfile}] { + return -1 +} + +gdb_exit +gdb_start +gdb_reinitialize_dir $srcdir/$subdir +gdb_load ${binfile} + +if [target_info exists gdb_stub] { + gdb_step_for_stub; +} +# +# test simple breakpoint setting commands +# + +# Test deleting all breakpoints when there are none installed, +# GDB should not prompt for confirmation. +# Note that gdb-init.exp provides a "delete_breakpoints" proc +# for general use elsewhere. + +send_gdb "delete breakpoints\n" +gdb_expect { + -re "Delete all breakpoints.*$" { + send_gdb "y\n" + gdb_expect { + -re "$gdb_prompt $" { + fail "Delete all breakpoints when none (unexpected prompt)" + } + timeout { fail "Delete all breakpoints when none (timeout after unexpected prompt)" } + } + } + -re ".*$gdb_prompt $" { pass "Delete all breakpoints when none" } + timeout { fail "Delete all breakpoints when none (timeout)" } +} + +# +# test break at function +# +gdb_test "break main" \ + "Breakpoint.*at.* file .*$srcfile, line.*" \ + "breakpoint function" + +# +# test break at quoted function +# +gdb_test "break \"marker2\"" \ + "Breakpoint.*at.* file .*$srcfile1, line.*" \ + "breakpoint quoted function" + +# +# test break at function in file +# +gdb_test "break $srcfile:factorial" \ + "Breakpoint.*at.* file .*$srcfile, line.*" \ + "breakpoint function in file" + +set bp_location1 [gdb_get_line_number "set breakpoint 1 here"] + +# +# test break at line number +# +# Note that the default source file is the last one whose source text +# was printed. For native debugging, before we've executed the +# program, this is the file containing main, but for remote debugging, +# it's wherever the processor was stopped when we connected to the +# board. So, to be sure, we do a list command. +# +gdb_test "list main" \ + ".*main \\(argc, argv, envp\\).*" \ + "use `list' to establish default source file" +gdb_test "break $bp_location1" \ + "Breakpoint.*at.* file .*$srcfile, line $bp_location1\\." \ + "breakpoint line number" + +# +# test duplicate breakpoint +# +gdb_test "break $bp_location1" \ + "Note: breakpoint \[0-9\]+ also set at pc.*Breakpoint \[0-9\]+ at.* file .*$srcfile, line $bp_location1\\." \ + "breakpoint duplicate" + +set bp_location2 [gdb_get_line_number "set breakpoint 2 here"] + +# +# test break at line number in file +# +gdb_test "break $srcfile:$bp_location2" \ + "Breakpoint.*at.* file .*$srcfile, line $bp_location2\\." \ + "breakpoint line number in file" + +set bp_location3 [gdb_get_line_number "set breakpoint 3 here"] +set bp_location4 [gdb_get_line_number "set breakpoint 4 here"] + +# +# Test putting a break at the start of a multi-line if conditional. +# Verify the breakpoint was put at the start of the conditional. +# +gdb_test "break multi_line_if_conditional" \ + "Breakpoint.*at.* file .*$srcfile, line $bp_location3\\." \ + "breakpoint at start of multi line if conditional" + +gdb_test "break multi_line_while_conditional" \ + "Breakpoint.*at.* file .*$srcfile, line $bp_location4\\." \ + "breakpoint at start of multi line while conditional" + +set bp_location5 [gdb_get_line_number "set breakpoint 5 here"] +set bp_location6 [gdb_get_line_number "set breakpoint 6 here"] + +# +# check to see what breakpoints are set +# +if [target_info exists gdb_stub] { + set main_line $bp_location5 +} else { + set main_line $bp_location6 +} + +set proto "" + +set bp_location7 [gdb_get_line_number "set breakpoint 7 here"] +set bp_location8 [gdb_get_line_number "set breakpoint 8 here" $srcfile1] +set bp_location9 [gdb_get_line_number "set breakpoint 9 here" $srcfile1] + +# Test a pending breakpoint in PIE executable does not crash later GDB. +gdb_breakpoint "non_existent_function" allow-pending + +gdb_test "info break" \ + "Num\[ \]+Type\[ \]+Disp Enb Address\[ \]+What.* +\[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:$main_line.* +\[0-9\]+\[\t \]+breakpoint keep y.* in marker2 at .*$srcfile1:($bp_location8|$bp_location9).* +\[0-9\]+\[\t \]+breakpoint keep y.* in factorial$proto at .*$srcfile:$bp_location7.* +\[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:$bp_location1.* +\[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:$bp_location1.* +\[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:$bp_location2.* +\[0-9\]+\[\t \]+breakpoint keep y.* in multi_line_if_conditional at .*$srcfile:$bp_location3.* +\[0-9\]+\[\t \]+breakpoint keep y.* in multi_line_while_conditional at .*$srcfile:$bp_location4.* +\[0-9\]+\[\t \]+breakpoint keep y.* <PENDING> *non_existent_function" \ + "breakpoint info" + +# FIXME: The rest of this test doesn't work with anything that can't +# handle arguments. +# Huh? There doesn't *appear* to be anything that passes arguments +# below. +if [istarget "mips-idt-*"] then { + return +} + +# +# run until the breakpoint at main is hit. For non-stubs-using targets. +# +if ![target_info exists use_gdb_stub] { + if [istarget "*-*-vxworks*"] then { + send_gdb "run vxmain \"2\"\n" + set timeout 120 + verbose "Timeout is now $timeout seconds" 2 + } else { + send_gdb "run\n" + } + gdb_expect { + -re "The program .* has been started already.*y or n. $" { + send_gdb "y\n" + exp_continue + } + -re "Starting program.*Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.* \{.*$gdb_prompt $"\ + { pass "run until function breakpoint" } + -re ".*$gdb_prompt $" { fail "run until function breakpoint" } + timeout { fail "run until function breakpoint (timeout)" } + } +} else { + if ![target_info exists gdb_stub] { + gdb_test continue ".*Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.*\{.*" "stub continue" + } +} + +# +# run until the breakpoint at a line number +# +gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location1.*$bp_location1\[\t \]+printf.*factorial.*" \ + "run until breakpoint set at a line number" + +# +# Run until the breakpoint set in a function in a file +# +for {set i 6} {$i >= 1} {incr i -1} { + gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, factorial \\(value=$i\\) at .*$srcfile:$bp_location7.*$bp_location7\[\t \]+.*if .value > 1. \{.*" \ + "run until file:function($i) breakpoint" +} + +# +# Run until the breakpoint set at a quoted function +# +gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, (0x\[0-9a-f\]+ in )?marker2 \\(a=43\\) at .*$srcfile1:($bp_location8|$bp_location9).*" \ + "run until quoted breakpoint" +# +# run until the file:function breakpoint at a line number in a file +# +gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location2.*$bp_location2\[\t \]+argc = \\(argc == 12345\\);.*" \ + "run until file:linenum breakpoint" + +# Test break at offset +1 +set bp_location10 [gdb_get_line_number "set breakpoint 10 here"] + +gdb_test "break +1" \ + "Breakpoint.*at.* file .*$srcfile, line $bp_location10\\." \ + "breakpoint offset +1" + +# Check to see if breakpoint is hit when stepped onto + +gdb_test "step" \ + ".*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location10.*$bp_location10\[\t \]+return argc;.*breakpoint 10 here.*" \ + "step onto breakpoint" + +# +# delete all breakpoints so we can start over, course this can be a test too +# +delete_breakpoints + +# +# test temporary breakpoint at function +# + +gdb_test "tbreak main" "reakpoint.*at.* file .*$srcfile, line.*" "Temporary breakpoint function" + +# +# test break at function in file +# + +gdb_test "tbreak $srcfile:factorial" "reakpoint.*at.* file .*$srcfile, line.*" \ + "Temporary breakpoint function in file" + +# +# test break at line number +# +send_gdb "tbreak $bp_location1\n" +gdb_expect { + -re "reakpoint.*at.* file .*$srcfile, line $bp_location1.*$gdb_prompt $" { pass "Temporary breakpoint line number #1" } + -re ".*$gdb_prompt $" { pass "Temporary breakpoint line number #1" } + timeout { fail "breakpoint line number #1 (timeout)" } +} + +gdb_test "tbreak $bp_location6" "reakpoint.*at.* file .*$srcfile, line $bp_location6.*" "Temporary breakpoint line number #2" + +# +# test break at line number in file +# +send_gdb "tbreak $srcfile:$bp_location2\n" +gdb_expect { + -re "reakpoint.*at.* file .*$srcfile, line $bp_location2.*$gdb_prompt $" { pass "Temporary breakpoint line number in file #1" } + -re ".*$gdb_prompt $" { pass "Temporary breakpoint line number in file #1" } + timeout { fail "Temporary breakpoint line number in file #1 (timeout)" } +} + +set bp_location11 [gdb_get_line_number "set breakpoint 11 here"] +gdb_test "tbreak $srcfile:$bp_location11" "reakpoint.*at.* file .*$srcfile, line $bp_location11.*" "Temporary breakpoint line number in file #2" + +# +# check to see what breakpoints are set (temporary this time) +# +gdb_test "info break" "Num.*Type.*Disp Enb Address.*What.*\[\r\n\] +\[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:$main_line.*\[\r\n\] +\[0-9\]+\[\t \]+breakpoint del.*y.*in factorial$proto at .*$srcfile:$bp_location7.*\[\r\n\] +\[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:$bp_location1.*\[\r\n\] +\[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:$bp_location6.*\[\r\n\] +\[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:$bp_location2.*\[\r\n\] +\[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:$bp_location11.*" \ + "Temporary breakpoint info" + + +#*********** + +# Verify that catchpoints for fork, vfork and exec don't trigger +# inappropriately. (There are no calls to those system functions +# in this test program.) +# +if ![runto_main] then { fail "break tests suppressed" } + +send_gdb "catch\n" +gdb_expect { + -re "Catch requires an event name.*$gdb_prompt $"\ + {pass "catch requires an event name"} + -re "$gdb_prompt $"\ + {fail "catch requires an event name"} + timeout {fail "(timeout) catch requires an event name"} +} + + +set name "set catch fork, never expected to trigger" +send_gdb "catch fork\n" +gdb_expect { + -re "Catchpoint \[0-9\]* .fork..*$gdb_prompt $" + {pass $name} + -re "Catch of fork not yet implemented.*$gdb_prompt $" + {pass $name} + -re "$gdb_prompt $" + {fail $name} + timeout {fail "(timeout) $name"} +} + + +set name "set catch vfork, never expected to trigger" +send_gdb "catch vfork\n" + +# If we are on HP-UX 10.20, we expect an error message to be +# printed if we type "catch vfork" at the gdb gdb_prompt. This is +# because on HP-UX 10.20, we cannot catch vfork events. + +if [istarget "hppa*-hp-hpux10.20"] then { + gdb_expect { + -re "Catch of vfork events not supported on HP-UX 10.20..*$gdb_prompt $" + {pass $name} + -re "$gdb_prompt $" + {fail $name} + timeout {fail "(timeout) $name"} + } +} else { + gdb_expect { + -re "Catchpoint \[0-9\]* .vfork..*$gdb_prompt $" + {pass $name} + -re "Catch of vfork not yet implemented.*$gdb_prompt $" + {pass $name} + -re "$gdb_prompt $" + {fail $name} + timeout {fail "(timeout) $name"} + } +} + +set name "set catch exec, never expected to trigger" +send_gdb "catch exec\n" +gdb_expect { + -re "Catchpoint \[0-9\]* .exec..*$gdb_prompt $" + {pass $name} + -re "Catch of exec not yet implemented.*$gdb_prompt $" + {pass $name} + -re "$gdb_prompt $" {fail $name} + timeout {fail "(timeout) $name"} +} + +# Verify that GDB responds gracefully when asked to set a breakpoint +# on a nonexistent source line. +# +gdb_test_no_output "set breakpoint pending off" +gdb_test "break 999" \ + "No line 999 in the current file." \ + "break on non-existent source line" + +# Run to the desired default location. If not positioned here, the +# tests below don't work. +# +gdb_test "until $bp_location1" "main .* at .*:$bp_location1.*" "until bp_location1" + + +# Verify that GDB allows one to just say "break", which is treated +# as the "default" breakpoint. Note that GDB gets cute when printing +# the informational message about other breakpoints at the same +# location. We'll hit that bird with this stone too. +# +send_gdb "break\n" +gdb_expect { + -re "Breakpoint \[0-9\]*.*$gdb_prompt $"\ + {pass "break on default location, 1st time"} + -re "$gdb_prompt $"\ + {fail "break on default location, 1st time"} + timeout {fail "(timeout) break on default location, 1st time"} +} + +send_gdb "break\n" +gdb_expect { + -re "Note: breakpoint \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\ + {pass "break on default location, 2nd time"} + -re "$gdb_prompt $"\ + {fail "break on default location, 2nd time"} + timeout {fail "(timeout) break on default location, 2nd time"} +} + +send_gdb "break\n" +gdb_expect { + -re "Note: breakpoints \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\ + {pass "break on default location, 3rd time"} + -re "$gdb_prompt $"\ + {fail "break on default location, 3rd time"} + timeout {fail "(timeout) break on default location, 3rd time"} +} + +send_gdb "break\n" +gdb_expect { + -re "Note: breakpoints \[0-9\]*, \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\ + {pass "break on default location, 4th time"} + -re "$gdb_prompt $"\ + {fail "break on default location, 4th time"} + timeout {fail "(timeout) break on default location, 4th time"} +} + +# Verify that a "silent" breakpoint can be set, and that GDB is indeed +# "silent" about its triggering. +# +if ![runto_main] then { fail "break tests suppressed" } + +send_gdb "break $bp_location1\n" +gdb_expect { + -re "Breakpoint (\[0-9\]*) at .*, line $bp_location1.*$gdb_prompt $"\ + {pass "set to-be-silent break bp_location1"} + -re "$gdb_prompt $"\ + {fail "set to-be-silent break bp_location1"} + timeout {fail "(timeout) set to-be-silent break bp_location1"} +} + +send_gdb "commands $expect_out(1,string)\n" +send_gdb "silent\n" +send_gdb "end\n" +gdb_expect { + -re ".*$gdb_prompt $"\ + {pass "set silent break bp_location1"} + timeout {fail "(timeout) set silent break bp_location1"} +} + +send_gdb "info break $expect_out(1,string)\n" +gdb_expect { + -re "\[0-9\]*\[ \t\]*breakpoint.*:$bp_location1\r\n\[ \t\]*silent.*$gdb_prompt $"\ + {pass "info silent break bp_location1"} + -re "$gdb_prompt $"\ + {fail "info silent break bp_location1"} + timeout {fail "(timeout) info silent break bp_location1"} +} +send_gdb "continue\n" +gdb_expect { + -re "Continuing.\r\n$gdb_prompt $"\ + {pass "hit silent break bp_location1"} + -re "$gdb_prompt $"\ + {fail "hit silent break bp_location1"} + timeout {fail "(timeout) hit silent break bp_location1"} +} +send_gdb "bt\n" +gdb_expect { + -re "#0 main .* at .*:$bp_location1.*$gdb_prompt $"\ + {pass "stopped for silent break bp_location1"} + -re "$gdb_prompt $"\ + {fail "stopped for silent break bp_location1"} + timeout {fail "(timeout) stopped for silent break bp_location1"} +} + +# Verify that GDB can at least parse a breakpoint with the +# "thread" keyword. (We won't attempt to test here that a +# thread-specific breakpoint really triggers appropriately. +# The gdb.threads subdirectory contains tests for that.) +# +set bp_location12 [gdb_get_line_number "set breakpoint 12 here"] +send_gdb "break $bp_location12 thread 999\n" +gdb_expect { + -re "Unknown thread 999.*$gdb_prompt $"\ + {pass "thread-specific breakpoint on non-existent thread disallowed"} + -re "$gdb_prompt $"\ + {fail "thread-specific breakpoint on non-existent thread disallowed"} + timeout {fail "(timeout) thread-specific breakpoint on non-existent thread disallowed"} +} + +gdb_test "break $bp_location12 thread foo" \ + "Invalid thread ID: foo" \ + "thread-specific breakpoint on bogus thread ID disallowed" + +# Verify that GDB responds gracefully to a breakpoint command with +# trailing garbage. +# +send_gdb "break $bp_location12 foo\n" +gdb_expect { + -re "malformed linespec error: unexpected string, \"foo\"\r\n$gdb_prompt $"\ + {pass "breakpoint with trailing garbage disallowed"} + -re "$gdb_prompt $"\ + {fail "breakpoint with trailing garbage disallowed"} + timeout {fail "(timeout) breakpoint with trailing garbage disallowed"} +} + +# Verify that GDB responds gracefully to a "clear" command that has +# no matching breakpoint. (First, get us off the current source line, +# which we know has a breakpoint.) +# +send_gdb "next\n" +gdb_expect { + -re ".*$gdb_prompt $"\ + {pass "step over breakpoint"} + timeout {fail "(timeout) step over breakpoint"} +} +send_gdb "clear 81\n" +gdb_expect { + -re "No breakpoint at 81..*$gdb_prompt $"\ + {pass "clear line has no breakpoint disallowed"} + -re "$gdb_prompt $"\ + {fail "clear line has no breakpoint disallowed"} + timeout {fail "(timeout) clear line has no breakpoint disallowed"} +} +send_gdb "clear\n" +gdb_expect { + -re "No breakpoint at this line..*$gdb_prompt $"\ + {pass "clear current line has no breakpoint disallowed"} + -re "$gdb_prompt $"\ + {fail "clear current line has no breakpoint disallowed"} + timeout {fail "(timeout) clear current line has no breakpoint disallowed"} +} + +# Verify that we can set and clear multiple breakpoints. +# +# We don't test that it deletes the correct breakpoints. We do at +# least test that it deletes more than one breakpoint. +# +gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #1" +gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #2" +gdb_test "clear marker3" {Deleted breakpoints [0-9]+ [0-9]+.*} + +# Verify that a breakpoint can be set via a convenience variable. +# +send_gdb "set \$foo=$bp_location11\n" +gdb_expect { + -re "$gdb_prompt $"\ + {pass "set convenience variable \$foo to bp_location11"} + timeout {fail "(timeout) set convenience variable \$foo to bp_location11"} +} +send_gdb "break \$foo\n" +gdb_expect { + -re "Breakpoint (\[0-9\]*) at .*, line $bp_location11.*$gdb_prompt $"\ + {pass "set breakpoint via convenience variable"} + -re "$gdb_prompt $"\ + {fail "set breakpoint via convenience variable"} + timeout {fail "(timeout) set breakpoint via convenience variable"} +} + +# Verify that GDB responds gracefully to an attempt to set a +# breakpoint via a convenience variable whose type is not integer. +# +send_gdb "set \$foo=81.5\n" +gdb_expect { + -re "$gdb_prompt $"\ + {pass "set convenience variable \$foo to 81.5"} + timeout {fail "(timeout) set convenience variable \$foo to 81.5"} +} +send_gdb "break \$foo\n" +gdb_expect { + -re "Convenience variables used in line specs must have integer values..*$gdb_prompt $"\ + {pass "set breakpoint via non-integer convenience variable disallowed"} + -re "$gdb_prompt $"\ + {fail "set breakpoint via non-integer convenience variable disallowed"} + timeout {fail "(timeout) set breakpoint via non-integer convenience variable disallowed"} +} + +# Verify that we can set and trigger a breakpoint in a user-called function. +# +send_gdb "break marker2\n" +gdb_expect { + -re "Breakpoint (\[0-9\]*) at .*, line ($bp_location8|$bp_location9).*$gdb_prompt $"\ + {pass "set breakpoint on to-be-called function"} + -re "$gdb_prompt $"\ + {fail "set breakpoint on to-be-called function"} + timeout {fail "(timeout) set breakpoint on to-be-called function"} +} +send_gdb "print marker2(99)\n" +gdb_expect { + -re "The program being debugged stopped while in a function called from GDB.\r\nEvaluation of the expression containing the function\r\n.marker2$proto. will be abandoned.\r\nWhen the function is done executing, GDB will silently stop.\r\n$gdb_prompt $"\ + {pass "hit breakpoint on called function"} + -re "$gdb_prompt $"\ + {fail "hit breakpoint on called function"} + timeout {fail "(timeout) hit breakpoint on called function"} +} + +# As long as we're stopped (breakpointed) in a called function, +# verify that we can successfully backtrace & such from here. +# +# In this and the following test, the _sr4export check apparently is needed +# for hppa*-*-hpux. +# +send_gdb "bt\n" +gdb_expect { + -re "#0\[ \t\]*($hex in )?marker2.*:($bp_location8|$bp_location9)\r\n#1.*_sr4export.*$gdb_prompt $"\ + {pass "backtrace while in called function"} + -re "#0\[ \t\]*($hex in )?marker2.*:($bp_location8|$bp_location9)\r\n#1.*function called from gdb.*$gdb_prompt $"\ + {pass "backtrace while in called function"} + -re "$gdb_prompt $"\ + {fail "backtrace while in called function"} + timeout {fail "(timeout) backtrace while in called function"} +} + +# Return from the called function. For remote targets, it's important to do +# this before runto_main, which otherwise may silently stop on the dummy +# breakpoint inserted by GDB at the program's entry point. +# +send_gdb "finish\n" +gdb_expect { + -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.* in _sr4export.*$gdb_prompt $"\ + {pass "finish from called function"} + -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.*function called from gdb.*$gdb_prompt $"\ + {pass "finish from called function"} + -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.*Value returned.*$gdb_prompt $"\ + {pass "finish from called function"} + -re "$gdb_prompt $"\ + {fail "finish from called function"} + timeout {fail "(timeout) finish from called function"} +} + +# Verify that GDB responds gracefully to a "finish" command with +# arguments. +# +if ![runto_main] then { fail "break tests suppressed" } + +send_gdb "finish 123\n" +gdb_expect { + -re "The \"finish\" command does not take any arguments.\r\n$gdb_prompt $"\ + {pass "finish with arguments disallowed"} + -re "$gdb_prompt $"\ + {fail "finish with arguments disallowed"} + timeout {fail "(timeout) finish with arguments disallowed"} +} + +# Verify that GDB responds gracefully to a request to "finish" from +# the outermost frame. On a stub that never exits, this will just +# run to the stubs routine, so we don't get this error... Thus the +# second condition. +# + +send_gdb "finish\n" +gdb_expect { + -re "\"finish\" not meaningful in the outermost frame.\r\n$gdb_prompt $"\ + {pass "finish from outermost frame disallowed"} + -re "Run till exit from.*\r\n$gdb_prompt $" { + pass "finish from outermost frame disallowed" + } + -re "$gdb_prompt $"\ + {fail "finish from outermost frame disallowed"} + timeout {fail "(timeout) finish from outermost frame disallowed"} +} + +# Verify that we can explicitly ask GDB to stop on all shared library +# events, and that it does so. +# +if [istarget "hppa*-*-hpux*"] then { + if ![runto_main] then { fail "break tests suppressed" } + + send_gdb "set stop-on-solib-events 1\n" + gdb_expect { + -re "$gdb_prompt $"\ + {pass "set stop-on-solib-events"} + timeout {fail "(timeout) set stop-on-solib-events"} + } + + send_gdb "run\n" + gdb_expect { + -re ".*Start it from the beginning.*y or n. $"\ + {send_gdb "y\n" + gdb_expect { + -re ".*Stopped due to shared library event.*$gdb_prompt $"\ + {pass "triggered stop-on-solib-events"} + -re "$gdb_prompt $"\ + {fail "triggered stop-on-solib-events"} + timeout {fail "(timeout) triggered stop-on-solib-events"} + } + } + -re "$gdb_prompt $"\ + {fail "rerun for stop-on-solib-events"} + timeout {fail "(timeout) rerun for stop-on-solib-events"} + } + + send_gdb "set stop-on-solib-events 0\n" + gdb_expect { + -re "$gdb_prompt $"\ + {pass "reset stop-on-solib-events"} + timeout {fail "(timeout) reset stop-on-solib-events"} + } +} + +# Hardware breakpoints are unsupported on HP-UX. Verify that GDB +# gracefully responds to requests to create them. +# +if [istarget "hppa*-*-hpux*"] then { + if ![runto_main] then { fail "break tests suppressed" } + + send_gdb "hbreak\n" + gdb_expect { + -re "No hardware breakpoint support in the target.*$gdb_prompt $"\ + {pass "hw breaks disallowed"} + -re "$gdb_prompt $"\ + {fail "hw breaks disallowed"} + timeout {fail "(timeout) hw breaks disallowed"} + } + + send_gdb "thbreak\n" + gdb_expect { + -re "No hardware breakpoint support in the target.*$gdb_prompt $"\ + {pass "temporary hw breaks disallowed"} + -re "$gdb_prompt $"\ + {fail "temporary hw breaks disallowed"} + timeout {fail "(timeout) temporary hw breaks disallowed"} + } +} + +#******** + + +# +# Test "next" over recursive function call. +# + +proc test_next_with_recursion {} { + global gdb_prompt + global decimal + global binfile + + if [target_info exists use_gdb_stub] { + # Reload the program. + delete_breakpoints + gdb_load ${binfile}; + } else { + # FIXME: should be using runto + gdb_test "kill" "" "kill program" "Kill the program being debugged.*y or n. $" "y" + + delete_breakpoints + } + + gdb_test "break factorial" "Breakpoint $decimal at .*" "break at factorial" + + # Run until we call factorial with 6 + + if [istarget "*-*-vxworks*"] then { + send_gdb "run vxmain \"6\"\n" + } else { + gdb_run_cmd + } + gdb_expect { + -re "Break.* factorial .value=6. .*$gdb_prompt $" {} + -re ".*$gdb_prompt $" { + fail "run to factorial(6)"; + gdb_suppress_tests; + } + timeout { fail "run to factorial(6) (timeout)" ; gdb_suppress_tests } + } + + # Continue until we call factorial recursively with 5. + + if [gdb_test "continue" \ + "Continuing.*Break.* factorial .value=5. .*" \ + "continue to factorial(5)"] then { gdb_suppress_tests } + + # Do a backtrace just to confirm how many levels deep we are. + + if [gdb_test "backtrace" \ + "#0\[ \t\]+ factorial .value=5..*" \ + "backtrace from factorial(5)"] then { gdb_suppress_tests } + + # Now a "next" should position us at the recursive call, which + # we will be performing with 4. + + if [gdb_test "next" \ + ".* factorial .value - 1.;.*" \ + "next to recursive call"] then { gdb_suppress_tests } + + # Disable the breakpoint at the entry to factorial by deleting them all. + # The "next" should run until we return to the next line from this + # recursive call to factorial with 4. + # Buggy versions of gdb will stop instead at the innermost frame on + # the line where we are trying to "next" to. + + delete_breakpoints + + if [istarget "mips*tx39-*"] { + set timeout 60 + } + # We used to set timeout here for all other targets as well. This + # is almost certainly wrong. The proper timeout depends on the + # target system in use, and how we communicate with it, so there + # is no single value appropriate for all targets. The timeout + # should be established by the Dejagnu config file(s) for the + # board, and respected by the test suite. + # + # For example, if I'm running GDB over an SSH tunnel talking to a + # portmaster in California talking to an ancient 68k board running + # a crummy ROM monitor (a situation I can only wish were + # hypothetical), then I need a large timeout. But that's not the + # kind of knowledge that belongs in this file. + + gdb_test next "\[0-9\]*\[\t \]+return \\(value\\);.*" \ + "next over recursive call" + + # OK, we should be back in the same stack frame we started from. + # Do a backtrace just to confirm. + + set result [gdb_test "backtrace" \ + "#0\[ \t\]+ factorial .value=120.*\r\n#1\[ \t\]+ \[0-9a-fx\]+ in factorial .value=6..*" \ + "backtrace from factorial(5.1)"] + if { $result != 0 } { gdb_suppress_tests } + + if [target_info exists gdb,noresults] { gdb_suppress_tests } + gdb_continue_to_end "recursive next test" + gdb_stop_suppressing_tests; +} + +test_next_with_recursion + + +#******** + +# build a new file with optimization enabled so that we can try breakpoints +# on targets with optimized prologues + +set binfileo2 [standard_output_file ${testfile}o2] + +if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}O0.o" object {debug "additional_flags=-w -O2 -fpie -pie"}] != "" } { + gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." +} + +if { [gdb_compile "${srcdir}/${subdir}/${srcfile1}" "${binfile}O1.o" object {debug "additional_flags=-w -O2 -fpie -pie"}] != "" } { + gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." +} + +if { [gdb_compile "${binfile}O0.o ${binfile}O1.o" "${binfileo2}" executable {debug "additional_flags=-w -fpie -pie"}] != "" } { + gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." +} + +if [get_compiler_info ${binfileo2}] { + return -1 +} + +gdb_exit +gdb_start +gdb_reinitialize_dir $srcdir/$subdir +gdb_load ${binfileo2} + +if [target_info exists gdb_stub] { + gdb_step_for_stub; +} + +# +# test break at function +# +gdb_test "break main" \ + "Breakpoint.*at.* file .*$srcfile, line.*" \ + "breakpoint function, optimized file" + +# +# test break at function +# +gdb_test "break marker4" \ + "Breakpoint.*at.* file .*$srcfile1, line.*" \ + "breakpoint small function, optimized file" + +# +# run until the breakpoint at main is hit. For non-stubs-using targets. +# +if ![target_info exists use_gdb_stub] { + if [istarget "*-*-vxworks*"] then { + send_gdb "run vxmain \"2\"\n" + set timeout 120 + verbose "Timeout is now $timeout seconds" 2 + } else { + send_gdb "run\n" + } + gdb_expect { + -re "The program .* has been started already.*y or n. $" { + send_gdb "y\n" + exp_continue + } + -re "Starting program.*Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.* \{.*$gdb_prompt $"\ + { pass "run until function breakpoint, optimized file" } + -re "Starting program.*Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$gdb_prompt $"\ + { pass "run until function breakpoint, optimized file (code motion)" } + -re ".*$gdb_prompt $" { fail "run until function breakpoint, optimized file" } + timeout { fail "run until function breakpoint, optimized file (timeout)" } + } +} else { + if ![target_info exists gdb_stub] { + gdb_test continue ".*Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.*\{.*" "stub continue, optimized file" + } +} + +# +# run until the breakpoint at a small function +# + +# +# Add a second pass pattern. The behavior differs here between stabs +# and dwarf for one-line functions. Stabs preserves two line symbols +# (one before the prologue and one after) with the same line number, +# but dwarf regards these as duplicates and discards one of them. +# Therefore the address after the prologue (where the breakpoint is) +# has no exactly matching line symbol, and GDB reports the breakpoint +# as if it were in the middle of a line rather than at the beginning. + +set bp_location13 [gdb_get_line_number "set breakpoint 13 here" $srcfile1] +set bp_location14 [gdb_get_line_number "set breakpoint 14 here" $srcfile1] +send_gdb "continue\n" +gdb_expect { + -re "Breakpoint $decimal, marker4 \\(d=177601976\\) at .*$srcfile1:$bp_location13\[\r\n\]+$bp_location13\[\t \]+void marker4.*" { + pass "run until breakpoint set at small function, optimized file" + } + -re "Breakpoint $decimal, $hex in marker4 \\(d=177601976\\) at .*$srcfile1:$bp_location13\[\r\n\]+$bp_location13\[\t \]+void marker4.*" { + pass "run until breakpoint set at small function, optimized file" + } + -re "Breakpoint $decimal, marker4 \\(d=177601976\\) at .*$srcfile1:$bp_location14\[\r\n\]+$bp_location14\[\t \]+void marker4.*" { + # marker4() is defined at line 46 when compiled with -DPROTOTYPES + pass "run until breakpoint set at small function, optimized file (line bp_location14)" + } + -re ".*$gdb_prompt " { + fail "run until breakpoint set at small function, optimized file" + } + timeout { + fail "run until breakpoint set at small function, optimized file (timeout)" + } +} + + +# Reset the default arguments for VxWorks +if [istarget "*-*-vxworks*"] { + set timeout 10 + verbose "Timeout is now $timeout seconds" 2 + send_gdb "set args main\n" + gdb_expect -re ".*$gdb_prompt $" {} +} diff --git a/gdb/testsuite/gdb.pie/break1.c b/gdb/testsuite/gdb.pie/break1.c new file mode 100644 --- /dev/null +++ b/gdb/testsuite/gdb.pie/break1.c @@ -0,0 +1,44 @@ +/* This testcase is part of GDB, the GNU debugger. + + Copyright 1992, 1993, 1994, 1995, 1999, 2002, 2003 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 2 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, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + + Please email any bugs, comments, and/or additions to this file to: + bug-gdb@prep.ai.mit.edu */ + +/* The code for this file was extracted from the gdb testsuite + testcase "break.c". */ + +/* The following functions do nothing useful. They are included + simply as places to try setting breakpoints at. They are + explicitly "one-line functions" to verify that this case works + (some versions of gcc have or have had problems with this). + + These functions are in a separate source file to prevent an + optimizing compiler from inlining them and optimizing them away. */ + +#ifdef PROTOTYPES +int marker1 (void) { return (0); } /* set breakpoint 15 here */ +int marker2 (int a) { return (1); } /* set breakpoint 8 here */ +void marker3 (char *a, char *b) {} /* set breakpoint 17 here */ +void marker4 (long d) {} /* set breakpoint 14 here */ +#else +int marker1 () { return (0); } /* set breakpoint 16 here */ +int marker2 (a) int a; { return (1); } /* set breakpoint 9 here */ +void marker3 (a, b) char *a, *b; {} /* set breakpoint 18 here */ +void marker4 (d) long d; {} /* set breakpoint 13 here */ +#endif diff --git a/gdb/testsuite/gdb.pie/corefile.exp b/gdb/testsuite/gdb.pie/corefile.exp new file mode 100644 --- /dev/null +++ b/gdb/testsuite/gdb.pie/corefile.exp @@ -0,0 +1,233 @@ +# Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000 +# 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 2 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, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +# This file was written by Fred Fish. (fnf@cygnus.com) + +# are we on a target board +if ![isnative] then { + return +} + +set testfile "coremaker" +set srcfile ${testfile}.c +set binfile [standard_output_file ${testfile}] +if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug "additional_flags=-fpie -pie"}] != "" } { + gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." +} + +# Create and source the file that provides information about the compiler +# used to compile the test case. +if [get_compiler_info ${binfile}] { + return -1; +} + +# Create a core file named "corefile" rather than just "core", to +# avoid problems with sys admin types that like to regularly prune all +# files named "core" from the system. +# +# Arbitrarily try setting the core size limit to "unlimited" since +# this does not hurt on systems where the command does not work and +# allows us to generate a core on systems where it does. +# +# Some systems append "core" to the name of the program; others append +# the name of the program to "core"; still others (like Linux, as of +# May 2003) create cores named "core.PID". In the latter case, we +# could have many core files lying around, and it may be difficult to +# tell which one is ours, so let's run the program in a subdirectory. +set found 0 +set coredir [standard_output_file coredir.[getpid]] +file mkdir $coredir +catch "system \"(cd ${coredir}; ulimit -c unlimited; ${binfile}; true) >/dev/null 2>&1\"" +# remote_exec host "${binfile}" +foreach i "${coredir}/core ${coredir}/core.coremaker.c ${binfile}.core" { + if [remote_file build exists $i] { + remote_exec build "mv $i [standard_output_file corefile]" + set found 1 + } +} +# Check for "core.PID". +if { $found == 0 } { + set names [glob -nocomplain -directory $coredir core.*] + if {[llength $names] == 1} { + set corefile [file join $coredir [lindex $names 0]] + remote_exec build "mv $corefile [standard_output_file corefile]" + set found 1 + } +} +if { $found == 0 } { + # The braindamaged HPUX shell quits after the ulimit -c above + # without executing ${binfile}. So we try again without the + # ulimit here if we didn't find a core file above. + # Oh, I should mention that any "braindamaged" non-Unix system has + # the same problem. I like the cd bit too, it's really neat'n stuff. + catch "system \"(cd [file dirname [standard_output_file ${binfile}]]; ${binfile}; true) >/dev/null 2>&1\"" + foreach i "[standard_output_file core] [standard_output_file core.coremaker.c] ${binfile}.core" { + if [remote_file build exists $i] { + remote_exec build "mv $i [standard_output_file corefile]" + set found 1 + } + } +} + +# Try to clean up after ourselves. +remote_file build delete [file join $coredir coremmap.data] +remote_exec build "rmdir $coredir" + +if { $found == 0 } { + warning "can't generate a core file - core tests suppressed - check ulimit -c" + return 0 +} + +# +# Test that we can simply startup with a "-core=corefile" command line arg +# and recognize that the core file is a valid, usable core file. +# To do this, we must shutdown the currently running gdb and restart +# with the -core args. We can't use gdb_start because it looks for +# the first gdb prompt, and the message we are looking for occurs +# before the first prompt. Also, we can't include GDBFLAGS because +# if it is empty, this confuses gdb with an empty argument that it +# grumbles about (said grumbling currently being ignored in gdb_start). +# **FIXME** +# +# Another problem is that on some systems (solaris for example), there +# is apparently a limit on the length of a fully specified path to +# the coremaker executable, at about 80 chars. For this case, consider +# it a pass, but note that the program name is bad. + +gdb_exit +if $verbose>1 then { + send_user "Spawning $GDB -nw $GDBFLAGS -core=[standard_output_file corefile]\n" +} + +set oldtimeout $timeout +set timeout [expr "$timeout + 60"] +verbose "Timeout is now $timeout seconds" 2 +eval "spawn $GDB -nw $GDBFLAGS -core=[standard_output_file corefile]" +expect { + -re "Couldn't find .* registers in core file.*$gdb_prompt $" { + fail "args: -core=corefile (couldn't find regs)" + } + -re "Core was generated by .*coremaker.*\r\n\#0 .*\(\).*\r\n$gdb_prompt $" { + pass "args: -core=corefile" + } + -re "Core was generated by .*\r\n\#0 .*\(\).*\r\n$gdb_prompt $" { + pass "args: -core=corefile (with bad program name)" + } + -re ".*registers from core file: File in wrong format.* $" { + fail "args: -core=corefile (could not read registers from core file)" + } + -re ".*$gdb_prompt $" { fail "args: -core=corefile" } + timeout { fail "(timeout) starting with -core" } +} + + +# +# Test that startup with both an executable file and -core argument. +# See previous comments above, they are still applicable. +# + +close; + +if $verbose>1 then { + send_user "Spawning $GDB -nw $GDBFLAGS $binfile -core=[standard_output_file corefile]\n" +} + + +eval "spawn $GDB -nw $GDBFLAGS $binfile -core=[standard_output_file corefile]"; +expect { + -re "Core was generated by .*coremaker.*\r\n\#0 .*\(\).*\r\n$gdb_prompt $" { + pass "args: execfile -core=corefile" + } + -re "Core was generated by .*\r\n\#0 .*\(\).*\r\n$gdb_prompt $" { + pass "args: execfile -core=corefile (with bad program name)" + } + -re ".*registers from core file: File in wrong format.* $" { + fail "args: execfile -core=corefile (could not read registers from core file)" + } + -re ".*$gdb_prompt $" { fail "args: execfile -core=corefile" } + timeout { fail "(timeout) starting with -core" } +} +set timeout $oldtimeout +verbose "Timeout is now $timeout seconds" 2 + +close; + +# Now restart normally. + +gdb_start +gdb_reinitialize_dir $srcdir/$subdir +gdb_load ${binfile} + +# Test basic corefile recognition via core-file command. + +send_gdb "core-file [standard_output_file corefile]\n" +gdb_expect { + -re ".* program is being debugged already.*y or n. $" { + # gdb_load may connect us to a gdbserver. + send_gdb "y\n" + exp_continue; + } + -re "Core was generated by .*coremaker.*\r\n\#0 .*\(\).*\r\n$gdb_prompt $" { + pass "core-file command" + } + -re "Core was generated by .*\r\n\#0 .*\(\).*\r\n$gdb_prompt $" { + pass "core-file command (with bad program name)" + } + -re ".*registers from core file: File in wrong format.* $" { + fail "core-file command (could not read registers from core file)" + } + -re ".*$gdb_prompt $" { fail "core-file command" } + timeout { fail "(timeout) core-file command" } +} + +# Test correct mapping of corefile sections by printing some variables. + +gdb_test "print coremaker_data" "\\\$$decimal = 202" +gdb_test "print coremaker_bss" "\\\$$decimal = 10" +gdb_test "print coremaker_ro" "\\\$$decimal = 201" + +gdb_test "print func2::coremaker_local" "\\\$$decimal = \\{0, 1, 2, 3, 4\\}" + +# Somehow we better test the ability to read the registers out of the core +# file correctly. I don't think the other tests do this. + +gdb_test "bt" "abort.*func2.*func1.*main.*" "backtrace in corefile.exp" +gdb_test "up" "#\[0-9\]* *\[0-9xa-fH'\]* in .* \\(.*\\).*" "up in corefile.exp" + +# Test ability to read mmap'd data + +gdb_test "x/8bd buf1" ".*:.*0.*1.*2.*3.*4.*5.*6.*7" "accessing original mmap data in core file" +setup_xfail "*-*-sunos*" "*-*-ultrix*" "*-*-aix*" +set test "accessing mmapped data in core file" +gdb_test_multiple "x/8bd buf2" "$test" { + -re ".*:.*0.*1.*2.*3.*4.*5.*6.*7.*$gdb_prompt $" { + pass "$test" + } + -re "0x\[f\]*:.*Cannot access memory at address 0x\[f\]*.*$gdb_prompt $" { + fail "$test (mapping failed at runtime)" + } + -re "0x.*:.*Cannot access memory at address 0x.*$gdb_prompt $" { + fail "$test (mapping address not found in core file)" + } +} + +# test reinit_frame_cache + +gdb_load ${binfile} +gdb_test "up" "#\[0-9\]* *\[0-9xa-fH'\]* in .* \\(.*\\).*" "up in corefile.exp (reinit)" + +gdb_test "core" "No core file now." diff --git a/gdb/testsuite/gdb.pie/coremaker.c b/gdb/testsuite/gdb.pie/coremaker.c new file mode 100644 --- /dev/null +++ b/gdb/testsuite/gdb.pie/coremaker.c @@ -0,0 +1,142 @@ +/* Copyright 1992, 1993, 1994, 1995, 1996, 1999 + Free Software Foundation, Inc. + + This file is part of GDB. + + 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 2 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, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +/* Simple little program that just generates a core dump from inside some + nested function calls. */ + +#include <stdio.h> +#include <sys/types.h> +#include <fcntl.h> +#include <sys/mman.h> +#include <signal.h> +#include <stdlib.h> +#include <unistd.h> + +#ifndef __STDC__ +#define const /**/ +#endif + +#define MAPSIZE (8 * 1024) + +/* Don't make these automatic vars or we will have to walk back up the + stack to access them. */ + +char *buf1; +char *buf2; + +int coremaker_data = 1; /* In Data section */ +int coremaker_bss; /* In BSS section */ + +const int coremaker_ro = 201; /* In Read-Only Data section */ + +/* Note that if the mapping fails for any reason, we set buf2 + to -1 and the testsuite notices this and reports it as + a failure due to a mapping error. This way we don't have + to test for specific errors when running the core maker. */ + +void +mmapdata () +{ + int j, fd; + + /* Allocate and initialize a buffer that will be used to write + the file that is later mapped in. */ + + buf1 = (char *) malloc (MAPSIZE); + for (j = 0; j < MAPSIZE; ++j) + { + buf1[j] = j; + } + + /* Write the file to map in */ + + fd = open ("coremmap.data", O_CREAT | O_RDWR, 0666); + if (fd == -1) + { + perror ("coremmap.data open failed"); + buf2 = (char *) -1; + return; + } + write (fd, buf1, MAPSIZE); + + /* Now map the file into our address space as buf2 */ + + buf2 = (char *) mmap (0, MAPSIZE, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0); + if (buf2 == (char *) -1) + { + perror ("mmap failed"); + return; + } + + /* Verify that the original data and the mapped data are identical. + If not, we'd rather fail now than when trying to access the mapped + data from the core file. */ + + for (j = 0; j < MAPSIZE; ++j) + { + if (buf1[j] != buf2[j]) + { + fprintf (stderr, "mapped data is incorrect"); + buf2 = (char *) -1; + return; + } + } +} + +void +func2 () +{ + int coremaker_local[5]; + int i; + +#ifdef SA_FULLDUMP + /* Force a corefile that includes the data section for AIX. */ + { + struct sigaction sa; + + sigaction (SIGABRT, (struct sigaction *)0, &sa); + sa.sa_flags |= SA_FULLDUMP; + sigaction (SIGABRT, &sa, (struct sigaction *)0); + } +#endif + + /* Make sure that coremaker_local doesn't get optimized away. */ + for (i = 0; i < 5; i++) + coremaker_local[i] = i; + coremaker_bss = 0; + for (i = 0; i < 5; i++) + coremaker_bss += coremaker_local[i]; + coremaker_data = coremaker_ro + 1; + abort (); +} + +void +func1 () +{ + func2 (); +} + +int main () +{ + mmapdata (); + func1 (); + return 0; +} +
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