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[gdb/testsuite] use args as lib list for jit-elf tests
Old usage: jit-elf-main lib.so 2 New usage: jit-elf-main lib.so.1 lib.so.2 Refactoring necessary to support running tests over multiple jit binaries rather than mapping the same binary muultiple times. gdb/testsuite/ChangeLog: 2020-02-18 Mihails Strasuns <mihails.strasuns@intel.com> * gdb.base/jit-elf-main.c: Read lib list from argc/argv. * gdb.base/jit-elf.exp: Compile N jit libraries and use the list. * gdb.base/jit-elf-so.exp: Ditto.
This commit is contained in:
Mihails Strasuns via Gdb-patches
Mihails Strasuns
parent
111b33f0b8
commit
9a94694506
@ -45,9 +45,9 @@
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#endif /* !ElfW */
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static void
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usage (const char *const argv0)
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usage (void)
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{
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fprintf (stderr, "Usage: %s library [count]\n", argv0);
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fprintf (stderr, "Usage: jit-elf-main libraries...\n");
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exit (1);
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}
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@ -106,37 +106,29 @@ int mypid;
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int
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MAIN (int argc, char *argv[])
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{
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/* These variables are here so they can easily be set from jit.exp. */
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const char *libname = NULL;
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int count = 0, i, fd;
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struct stat st;
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int i;
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alarm (300);
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/* Used as backing storage for GDB to populate argv. */
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char *fake_argv[10];
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mypid = getpid ();
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count = count; /* gdb break here 0 */
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/* gdb break here 0 */
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if (argc < 2)
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{
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usage (argv[0]);
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usage ();
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exit (1);
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}
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if (libname == NULL)
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/* Only set if not already set from GDB. */
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libname = argv[1];
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if (argc > 2 && count == 0)
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/* Only set if not already set from GDB. */
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count = atoi (argv[2]);
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printf ("%s:%d: libname = %s, count = %d\n", __FILE__, __LINE__,
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libname, count);
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if ((fd = open (libname, O_RDONLY)) == -1)
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for (i = 1; i < argc; ++i)
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{
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fprintf (stderr, "open (\"%s\", O_RDONLY): %s\n", libname,
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struct stat st;
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int fd;
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printf ("%s:%d: libname = %s, i = %d\n", __FILE__, __LINE__, argv[i], i);
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if ((fd = open (argv[i], O_RDONLY)) == -1)
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{
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fprintf (stderr, "open (\"%s\", O_RDONLY): %s\n", argv[i],
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strerror (errno));
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exit (1);
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}
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@ -147,8 +139,6 @@ MAIN (int argc, char *argv[])
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exit (1);
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}
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for (i = 0; i < count; ++i)
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{
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const void *const addr = mmap (0, st.st_size, PROT_READ|PROT_WRITE,
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MAP_PRIVATE, fd, 0);
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struct jit_code_entry *const entry = calloc (1, sizeof (*entry));
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@ -26,48 +26,105 @@ if {[get_compiler_info]} {
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return 1
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}
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# The "real" main of this test, which loads jit-elf-main
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# as a shared library.
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set main_loader_basename jit-elf-dlmain
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set main_loader_srcfile ${srcdir}/${subdir}/${main_loader_basename}.c
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set main_loader_binfile [standard_output_file ${main_loader_basename}]
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# The main code that loads and registers JIT objects.
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set main_solib_basename jit-elf-main
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set main_solib_srcfile ${srcdir}/${subdir}/${main_solib_basename}.c
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set main_solib_binfile [standard_output_file ${main_solib_basename}.so]
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# The shared library that gets loaded as JIT objects.
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set jit_solib_basename jit-elf-solib
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set jit_solib_srcfile ${srcdir}/${subdir}/${jit_solib_basename}.c
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# Compile jit-elf-main.c as a shared library.
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#
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# test running programs
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# OPTIONS is passed to gdb_compile when compiling the program.
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#
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# On success, return 0.
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# On failure, return -1.
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proc compile_jit_elf_main_as_so {options} {
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global main_solib_srcfile main_solib_binfile
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set options [concat $options debug]
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set testfile jit-elf-dlmain
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set srcfile ${testfile}.c
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set binfile [standard_output_file ${testfile}]
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug shlib_load}] != "" } {
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untested "failed to compile"
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if { [gdb_compile_shlib ${main_solib_srcfile} ${main_solib_binfile} \
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$options] != "" } {
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untested "failed to compile ${main_solib_basename}.c as a shared library"
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return -1
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}
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set testfile2 jit-elf-main
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set srcfile2 ${testfile2}.c
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set binfile2 [standard_output_file ${testfile2}.so]
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set binfile2_dlopen [shlib_target_file ${testfile2}.so]
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if { [gdb_compile_shlib "${srcdir}/${subdir}/${srcfile2}" ${binfile2} {debug additional_flags="-DMAIN=jit_dl_main"}] != "" } {
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untested "failed to compile main shared library"
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return 0
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}
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# Compile the testcase shared library loader.
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#
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# OPTIONS is passed to gdb_compile when compiling the binary.
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#
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# On success, return 0.
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# On failure, return -1.
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proc compile_jit_dlmain {options} {
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global main_loader_srcfile main_loader_binfile
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set options [concat $options debug]
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if { [gdb_compile ${main_loader_srcfile} ${main_loader_binfile} \
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executable $options] != "" } {
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untested "failed to compile ${main_loader_basename}.c as an executable"
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return -1
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}
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set solib_testfile "jit-elf-solib"
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set solib_srcfile "${srcdir}/${subdir}/${solib_testfile}.c"
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set solib_binfile [standard_output_file ${solib_testfile}.so]
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set solib_binfile_test_msg "SHLIBDIR/${solib_testfile}.so"
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return 0
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}
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# Note: compiling without debug info: the library goes through symbol
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# renaming by munging on its symbol table, and that wouldn't work for .debug
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# sections. Also, output for "info function" changes when debug info is resent.
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if { [gdb_compile_shlib ${solib_srcfile} ${solib_binfile} {}] != "" } {
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untested "failed to compile jit shared library"
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# Compile jit-elf-solib.c as a shared library in multiple copies and
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# upload them to the target.
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#
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# On success, return a list of target path to the shared libraries.
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# On failure, return -1.
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proc compile_and_download_n_jit_so {count} {
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global jit_solib_basename jit_solib_srcfile
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set binfiles_target {}
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for {set i 1} {$i <= $count} {incr i} {
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set binfile [standard_output_file ${jit_solib_basename}.$i.so]
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# Note: compiling without debug info by default: some test
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# do symbol renaming by munging on ELF symbol table, and that
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# wouldn't work for .debug sections. Also, output for "info
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# function" changes when debug info is present.
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if { [gdb_compile_shlib ${jit_solib_srcfile} ${binfile} {}] != "" } {
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untested "failed to compile ${jit_solib_basename}.c as a shared library"
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return -1
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}
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set solib_binfile_target [gdb_remote_download target ${solib_binfile}]
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set path [gdb_remote_download target ${binfile}]
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lappend binfiles_target $path
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}
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return $binfiles_target
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}
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# Run $main_loader_binfile and load $main_solib_binfile in
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# GDB. Check jit-related debug output and matches `info function`
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# output for a jit loaded function using MATCH_STR.
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#
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# SOLIB_BINFILES_TARGETS is a list of shared libraries to pass
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# as arguments when running $main_loader_binfile.
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# MATCH_STR is a regular expression that output of `info function`
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# must match.
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proc one_jit_test {solib_binfiles_target match_str} {
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set count [llength $solib_binfiles_target]
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proc one_jit_test {count match_str} {
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with_test_prefix "one_jit_test-$count" {
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global verbose testfile srcfile2 binfile2 binfile2_dlopen solib_binfile_target solib_binfile_test_msg
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global verbose
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global main_loader_binfile main_loader_srcfile
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global main_solib_binfile main_solib_srcfile
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clean_restart $testfile
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gdb_load_shlib $binfile2
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clean_restart $main_loader_binfile
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gdb_load_shlib $main_solib_binfile
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# This is just to help debugging when things fail
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if {$verbose > 0} {
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@ -79,23 +136,32 @@ proc one_jit_test {count match_str} {
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return
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}
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gdb_breakpoint [gdb_get_line_number "break here before-dlopen" ]
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gdb_breakpoint [gdb_get_line_number "break here before-dlopen" \
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$main_loader_srcfile]
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gdb_continue_to_breakpoint "break here before-dlopen"
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# Poke desired values directly into inferior instead of using "set args"
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# because "set args" does not work under gdbserver.
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gdb_test_no_output "set var jit_libname = \"$binfile2_dlopen\""
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gdb_test_no_output "set var jit_libname = \"$main_solib_binfile\"" \
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"setting library name"
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gdb_breakpoint [gdb_get_line_number "break here after-dlopen" ]
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gdb_breakpoint [gdb_get_line_number "break here after-dlopen" \
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$main_loader_srcfile]
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gdb_continue_to_breakpoint "break here after-dlopen"
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gdb_breakpoint "$srcfile2:[gdb_get_line_number {break here 0} $srcfile2]"
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set line [gdb_get_line_number {break here 0} $main_solib_srcfile]
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gdb_breakpoint "$main_solib_srcfile:$line"
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gdb_continue_to_breakpoint "break here 0"
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gdb_test_no_output "set var argc = 2"
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gdb_test_no_output "set var libname = \"$solib_binfile_target\"" "set var libname = \"$solib_binfile_test_msg\""
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gdb_test_no_output "set var count = $count"
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# Poke desired values directly into inferior instead of using "set args"
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# because "set args" does not work under gdbserver.
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gdb_test_no_output "set var argc=[expr $count + 1]" "forging argc"
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gdb_test_no_output "set var argv=fake_argv" "forging argv"
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for {set i 1} {$i <= $count} {incr i} {
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set binfile_target [lindex $solib_binfiles_target [expr $i-1]]
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gdb_test_no_output "set var argv\[$i\]=\"${binfile_target}\"" \
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"forging argv\[$i\]"
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}
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gdb_breakpoint "$srcfile2:[gdb_get_line_number {break here 1} $srcfile2]"
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set line [gdb_get_line_number {break here 1} $main_solib_srcfile]
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gdb_breakpoint "$main_solib_srcfile:$line"
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gdb_continue_to_breakpoint "break here 1"
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gdb_test "info function jit_function" "$match_str"
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@ -106,8 +172,10 @@ proc one_jit_test {count match_str} {
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gdb_test "maintenance info break"
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}
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gdb_breakpoint "$srcfile2:[gdb_get_line_number {break here 2} $srcfile2]"
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set line [gdb_get_line_number {break here 2} $main_solib_srcfile]
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gdb_breakpoint "$main_solib_srcfile:$line"
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gdb_continue_to_breakpoint "break here 2"
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# All jit librares must have been unregistered
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gdb_test "info function jit_function" \
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"All functions matching regular expression \"jit_function\":" \
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@ -115,12 +183,31 @@ proc one_jit_test {count match_str} {
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}
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}
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one_jit_test 1 "${hex} jit_function_0000"
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one_jit_test 2 "${hex} jit_function_0000\[\r\n\]+${hex} jit_function_0001"
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# Compile the main code (which loads the JIT objects) as a shared library.
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if { [compile_jit_elf_main_as_so {additional_flags="-DMAIN=jit_dl_main"}] < 0 } {
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return
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}
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# Compile the "real" main for this test.
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if { [compile_jit_dlmain {shlib_load}] < 0 } {
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return
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}
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# Compile two shared libraries to use as JIT objects.
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set jit_solibs_target [compile_and_download_n_jit_so 2]
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if { $jit_solibs_target == -1 } {
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return
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}
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one_jit_test [lindex $jit_solibs_target 0] "${hex} jit_function_0001"
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one_jit_test $jit_solibs_target "${hex} jit_function_0001\[\r\n\]+${hex} jit_function_0002"
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foreach solib $jit_solibs_target {
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# We don't intend to load the .so as a JIT debuginfo reader, but we
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# need some handy file name for a completion test.
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set input [string range $solib 0 [expr { [string length $solib] - 2 }]]
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gdb_test \
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"complete jit-reader-load [standard_output_file ${solib_testfile}.s]" \
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"jit-reader-load $solib_binfile" \
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"test jit-reader-load filename completion"
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"complete jit-reader-load [standard_output_file $input]" \
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"jit-reader-load $solib" \
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"test jit-reader-load filename completion [file tail $solib]"
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}
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@ -23,48 +23,70 @@ if {[get_compiler_info]} {
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return 1
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}
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# Compile the testcase program and library. BINSUFFIX is the suffix
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# to append to the program and library filenames, to make them unique
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# between invocations. OPTIONS is passed to gdb_compile when
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# compiling the program.
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# The main code that loads and registers JIT objects.
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set main_basename jit-elf-main
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set main_srcfile ${srcdir}/${subdir}/${main_basename}.c
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set main_binfile [standard_output_file ${main_basename}]
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proc compile_jit_test {testname binsuffix options} {
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global testfile srcfile binfile srcdir subdir
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global solib_testfile solib_srcfile solib_binfile solib_binfile_test_msg
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global solib_binfile_target
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# The shared library that gets loaded as JIT objects.
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set jit_solib_basename jit-elf-solib
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set jit_solib_srcfile ${srcdir}/${subdir}/${jit_solib_basename}.c
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set testfile jit-elf-main
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set srcfile ${testfile}.c
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set binfile [standard_output_file $testfile$binsuffix]
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" \
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executable [concat debug $options]] != "" } {
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untested $testname
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# Compile jit-elf-main.c as an executable.
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#
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# BINSUFFIX is appended to the binary name.
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# OPTIONS is passed to gdb_compile when compiling the program.
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#
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# On success, return 0.
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# On failure, return -1.
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proc compile_jit_main {binsuffix options} {
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global main_binfile main_srcfile main_basename
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set binfile ${main_binfile}${binsuffix}
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set options [concat $options debug]
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if { [gdb_compile ${main_srcfile} ${binfile} \
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executable $options] != "" } {
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untested "failed to compile ${main_basename}.c"
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return -1
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}
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set solib_testfile "jit-elf-solib"
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set solib_srcfile "${srcdir}/${subdir}/${solib_testfile}.c"
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set solib_binfile [standard_output_file ${solib_testfile}$binsuffix.so]
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set solib_binfile_test_msg "SHLIBDIR/${solib_testfile}$binsuffix.so"
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# Note: compiling without debug info: the library goes through
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# symbol renaming by munging on its symbol table, and that
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# wouldn't work for .debug sections. Also, output for "info
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# function" changes when debug info is present.
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if { [gdb_compile_shlib ${solib_srcfile} ${solib_binfile} {-fPIC}] != "" } {
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untested $testname
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return -1
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}
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set solib_binfile_target [gdb_remote_download target ${solib_binfile}]
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return 0
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}
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# Compile jit-elf-solib.c as a shared library in multiple copies and
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# upload them to the target.
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#
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# On success, return a list of target paths to the shared libraries.
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# On failure, return -1.
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proc compile_and_download_n_jit_so {count} {
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global jit_solib_basename jit_solib_srcfile
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set binfiles_target {}
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for {set i 1} {$i <= $count} {incr i} {
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set binfile [standard_output_file ${jit_solib_basename}.$i.so]
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# Note: compiling without debug info by default: some test
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# do symbol renaming by munging on ELF symbol table, and that
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# wouldn't work for .debug sections. Also, output for "info
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# function" changes when debug info is present.
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if { [gdb_compile_shlib ${jit_solib_srcfile} ${binfile} {}] != "" } {
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untested "failed to compile ${jit_solib_basename}.c as a shared library"
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return -1
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}
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set path [gdb_remote_download target ${binfile}]
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lappend binfiles_target $path
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}
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return $binfiles_target
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}
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# Detach, restart GDB, and re-attach to the program.
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proc clean_reattach {} {
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global decimal gdb_prompt srcfile testfile
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global decimal gdb_prompt
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global main_binfile main_srcfile
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# Get PID of test program.
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set testpid -1
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@ -79,11 +101,11 @@ proc clean_reattach {} {
|
||||
gdb_test_no_output "set var wait_for_gdb = 1"
|
||||
gdb_test "detach" "Detaching from .*"
|
||||
|
||||
clean_restart $testfile
|
||||
clean_restart ${main_binfile}
|
||||
|
||||
set test "attach"
|
||||
gdb_test_multiple "attach $testpid" "$test" {
|
||||
-re "Attaching to program.*.*main.*at .*$srcfile:.*$gdb_prompt $" {
|
||||
-re "Attaching to program.*.*main.*at .*$main_srcfile:.*$gdb_prompt $" {
|
||||
pass "$test"
|
||||
}
|
||||
}
|
||||
@ -94,7 +116,9 @@ proc clean_reattach {} {
|
||||
# Continue to LOCATION in the program. If REATTACH, detach and
|
||||
# re-attach to the program from scratch.
|
||||
proc continue_to_test_location {location reattach} {
|
||||
gdb_breakpoint [gdb_get_line_number $location]
|
||||
global main_srcfile
|
||||
|
||||
gdb_breakpoint [gdb_get_line_number $location $main_srcfile]
|
||||
gdb_continue_to_breakpoint $location
|
||||
if {$reattach} {
|
||||
with_test_prefix "$location" {
|
||||
@ -103,11 +127,14 @@ proc continue_to_test_location {location reattach} {
|
||||
}
|
||||
}
|
||||
|
||||
proc one_jit_test {count match_str reattach} {
|
||||
with_test_prefix "one_jit_test-$count" {
|
||||
global verbose testfile solib_binfile_target solib_binfile_test_msg
|
||||
proc one_jit_test {jit_solibs_target match_str reattach} {
|
||||
set count [llength $jit_solibs_target]
|
||||
|
||||
clean_restart $testfile
|
||||
with_test_prefix "one_jit_test-$count" {
|
||||
global verbose
|
||||
global main_binfile main_srcfile
|
||||
|
||||
clean_restart ${main_binfile}
|
||||
|
||||
# This is just to help debugging when things fail
|
||||
if {$verbose > 0} {
|
||||
@ -119,14 +146,20 @@ proc one_jit_test {count match_str reattach} {
|
||||
return
|
||||
}
|
||||
|
||||
gdb_breakpoint [gdb_get_line_number "break here 0"]
|
||||
gdb_continue_to_breakpoint "break here 0"
|
||||
|
||||
# Poke desired values directly into inferior instead of using "set args"
|
||||
# because "set args" does not work under gdbserver.
|
||||
gdb_test_no_output "set var argc = 2"
|
||||
gdb_test_no_output "set var libname = \"$solib_binfile_target\"" "set var libname = \"$solib_binfile_test_msg\""
|
||||
gdb_test_no_output "set var count = $count"
|
||||
incr count
|
||||
gdb_test_no_output "set var argc=$count" "forging argc"
|
||||
gdb_test_no_output "set var argv=fake_argv" "forging argv"
|
||||
for {set i 1} {$i < $count} {incr i} {
|
||||
set jit_solib_target [lindex $jit_solibs_target [expr $i-1]]
|
||||
gdb_test_no_output "set var argv\[$i\]=\"${jit_solib_target}\"" \
|
||||
"forging argv\[$i\]"
|
||||
}
|
||||
|
||||
gdb_breakpoint [gdb_get_line_number "break here 0" $main_srcfile]
|
||||
gdb_continue_to_breakpoint "break here 0"
|
||||
|
||||
|
||||
continue_to_test_location "break here 1" $reattach
|
||||
|
||||
@ -146,31 +179,31 @@ proc one_jit_test {count match_str reattach} {
|
||||
}
|
||||
}
|
||||
|
||||
if {[compile_jit_test jit.exp "" {}] < 0} {
|
||||
# Compile two shared libraries to use as JIT objects.
|
||||
set jit_solibs_target [compile_and_download_n_jit_so 2]
|
||||
if { $jit_solibs_target == -1 } {
|
||||
return
|
||||
}
|
||||
one_jit_test 1 "${hex} jit_function_0000" 0
|
||||
one_jit_test 2 "${hex} jit_function_0000\[\r\n\]+${hex} jit_function_0001" 0
|
||||
|
||||
# Compile the main code (which loads the JIT objects).
|
||||
if { [compile_jit_main "" {}] == 0 } {
|
||||
one_jit_test [lindex $jit_solibs_target 0] "${hex} jit_function_0001" 0
|
||||
one_jit_test $jit_solibs_target "${hex} jit_function_0001\[\r\n\]+${hex} jit_function_0002" 0
|
||||
}
|
||||
|
||||
# Test attaching to an inferior with some JIT libraries already
|
||||
# registered. We reuse the normal test, and detach/reattach at
|
||||
# specific interesting points.
|
||||
if {[can_spawn_for_attach]} {
|
||||
if {[compile_jit_test "jit.exp attach tests" \
|
||||
"-attach" {additional_flags=-DATTACH=1}] < 0} {
|
||||
return
|
||||
}
|
||||
|
||||
if { [compile_jit_main "-attach" {additional_flags=-DATTACH=1}] == 0 } {
|
||||
with_test_prefix attach {
|
||||
one_jit_test 2 "${hex} jit_function_0000\[\r\n\]+${hex} jit_function_0001" 1
|
||||
one_jit_test $jit_solibs_target "${hex} jit_function_0001\[\r\n\]+${hex} jit_function_0002" 1
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if { [compile_jit_main "-pie" {additional_flags=-fPIE ldflags=-pie}] == 0 } {
|
||||
with_test_prefix PIE {
|
||||
if {[compile_jit_test "jit.exp PIE tests" \
|
||||
"-pie" {additional_flags=-fPIE ldflags=-pie}] < 0} {
|
||||
return
|
||||
one_jit_test [lindex $jit_solibs_target 0] "${hex} jit_function_0001" 0
|
||||
}
|
||||
|
||||
one_jit_test 1 "${hex} jit_function_0000" 0
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user