#endif /* !ElfW */
static void
-usage (const char *const argv0)
+usage (void)
{
- fprintf (stderr, "Usage: %s library [count]\n", argv0);
+ fprintf (stderr, "Usage: jit-elf-main libraries...\n");
exit (1);
}
int
MAIN (int argc, char *argv[])
{
- /* These variables are here so they can easily be set from jit.exp. */
- const char *libname = NULL;
- int count = 0, i, fd;
- struct stat st;
-
+ int i;
alarm (300);
+ /* Used as backing storage for GDB to populate argv. */
+ char *fake_argv[10];
mypid = getpid ();
-
- count = count; /* gdb break here 0 */
+ /* gdb break here 0 */
if (argc < 2)
{
- usage (argv[0]);
+ usage ();
exit (1);
}
- if (libname == NULL)
- /* Only set if not already set from GDB. */
- libname = argv[1];
-
- if (argc > 2 && count == 0)
- /* Only set if not already set from GDB. */
- count = atoi (argv[2]);
-
- printf ("%s:%d: libname = %s, count = %d\n", __FILE__, __LINE__,
- libname, count);
-
- if ((fd = open (libname, O_RDONLY)) == -1)
+ for (i = 1; i < argc; ++i)
{
- fprintf (stderr, "open (\"%s\", O_RDONLY): %s\n", libname,
- strerror (errno));
- exit (1);
- }
+ struct stat st;
+ int fd;
- if (fstat (fd, &st) != 0)
- {
- fprintf (stderr, "fstat (\"%d\"): %s\n", fd, strerror (errno));
- exit (1);
- }
+ printf ("%s:%d: libname = %s, i = %d\n", __FILE__, __LINE__, argv[i], i);
+ if ((fd = open (argv[i], O_RDONLY)) == -1)
+ {
+ fprintf (stderr, "open (\"%s\", O_RDONLY): %s\n", argv[i],
+ strerror (errno));
+ exit (1);
+ }
+
+ if (fstat (fd, &st) != 0)
+ {
+ fprintf (stderr, "fstat (\"%d\"): %s\n", fd, strerror (errno));
+ exit (1);
+ }
- for (i = 0; i < count; ++i)
- {
const void *const addr = mmap (0, st.st_size, PROT_READ|PROT_WRITE,
MAP_PRIVATE, fd, 0);
struct jit_code_entry *const entry = calloc (1, sizeof (*entry));
return 1
}
+# The "real" main of this test, which loads jit-elf-main
+# as a shared library.
+set main_loader_basename jit-elf-dlmain
+set main_loader_srcfile ${srcdir}/${subdir}/${main_loader_basename}.c
+set main_loader_binfile [standard_output_file ${main_loader_basename}]
+
+# The main code that loads and registers JIT objects.
+set main_solib_basename jit-elf-main
+set main_solib_srcfile ${srcdir}/${subdir}/${main_solib_basename}.c
+set main_solib_binfile [standard_output_file ${main_solib_basename}.so]
+
+# The shared library that gets loaded as JIT objects.
+set jit_solib_basename jit-elf-solib
+set jit_solib_srcfile ${srcdir}/${subdir}/${jit_solib_basename}.c
+
+# Compile jit-elf-main.c as a shared library.
#
-# test running programs
+# OPTIONS is passed to gdb_compile when compiling the program.
#
+# On success, return 0.
+# On failure, return -1.
+proc compile_jit_elf_main_as_so {options} {
+ global main_solib_srcfile main_solib_binfile
+ set options [concat $options debug]
+
+ if { [gdb_compile_shlib ${main_solib_srcfile} ${main_solib_binfile} \
+ $options] != "" } {
+ untested "failed to compile ${main_solib_basename}.c as a shared library"
+ return -1
+ }
-set testfile jit-elf-dlmain
-set srcfile ${testfile}.c
-set binfile [standard_output_file ${testfile}]
-if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug shlib_load}] != "" } {
- untested "failed to compile"
- return -1
+ return 0
}
-set testfile2 jit-elf-main
-set srcfile2 ${testfile2}.c
-set binfile2 [standard_output_file ${testfile2}.so]
-set binfile2_dlopen [shlib_target_file ${testfile2}.so]
-if { [gdb_compile_shlib "${srcdir}/${subdir}/${srcfile2}" ${binfile2} {debug additional_flags="-DMAIN=jit_dl_main"}] != "" } {
- untested "failed to compile main shared library"
- return -1
+# Compile the testcase shared library loader.
+#
+# OPTIONS is passed to gdb_compile when compiling the binary.
+#
+# On success, return 0.
+# On failure, return -1.
+proc compile_jit_dlmain {options} {
+ global main_loader_srcfile main_loader_binfile
+ set options [concat $options debug]
+
+ if { [gdb_compile ${main_loader_srcfile} ${main_loader_binfile} \
+ executable $options] != "" } {
+ untested "failed to compile ${main_loader_basename}.c as an executable"
+ return -1
+ }
+
+ return 0
}
-set solib_testfile "jit-elf-solib"
-set solib_srcfile "${srcdir}/${subdir}/${solib_testfile}.c"
-set solib_binfile [standard_output_file ${solib_testfile}.so]
-set solib_binfile_test_msg "SHLIBDIR/${solib_testfile}.so"
+# Compile jit-elf-solib.c as a shared library in multiple copies and
+# upload them to the target.
+#
+# On success, return a list of target path to the shared libraries.
+# On failure, return -1.
+proc compile_and_download_n_jit_so {count} {
+ global jit_solib_basename jit_solib_srcfile
+ set binfiles_target {}
+
+ for {set i 1} {$i <= $count} {incr i} {
+ set binfile [standard_output_file ${jit_solib_basename}.$i.so]
+
+ # Note: compiling without debug info by default: some test
+ # do symbol renaming by munging on ELF symbol table, and that
+ # wouldn't work for .debug sections. Also, output for "info
+ # function" changes when debug info is present.
+ if { [gdb_compile_shlib ${jit_solib_srcfile} ${binfile} {}] != "" } {
+ untested "failed to compile ${jit_solib_basename}.c as a shared library"
+ return -1
+ }
-# Note: compiling without debug info: the library goes through symbol
-# renaming by munging on its symbol table, and that wouldn't work for .debug
-# sections. Also, output for "info function" changes when debug info is resent.
-if { [gdb_compile_shlib ${solib_srcfile} ${solib_binfile} {}] != "" } {
- untested "failed to compile jit shared library"
- return -1
+ set path [gdb_remote_download target ${binfile}]
+ lappend binfiles_target $path
+ }
+
+ return $binfiles_target
}
-set solib_binfile_target [gdb_remote_download target ${solib_binfile}]
+# Run $main_loader_binfile and load $main_solib_binfile in
+# GDB. Check jit-related debug output and matches `info function`
+# output for a jit loaded function using MATCH_STR.
+#
+# SOLIB_BINFILES_TARGETS is a list of shared libraries to pass
+# as arguments when running $main_loader_binfile.
+# MATCH_STR is a regular expression that output of `info function`
+# must match.
+proc one_jit_test {solib_binfiles_target match_str} {
+ set count [llength $solib_binfiles_target]
-proc one_jit_test {count match_str} {
with_test_prefix "one_jit_test-$count" {
- global verbose testfile srcfile2 binfile2 binfile2_dlopen solib_binfile_target solib_binfile_test_msg
+ global verbose
+ global main_loader_binfile main_loader_srcfile
+ global main_solib_binfile main_solib_srcfile
- clean_restart $testfile
- gdb_load_shlib $binfile2
+ clean_restart $main_loader_binfile
+ gdb_load_shlib $main_solib_binfile
# This is just to help debugging when things fail
if {$verbose > 0} {
return
}
- gdb_breakpoint [gdb_get_line_number "break here before-dlopen" ]
+ gdb_breakpoint [gdb_get_line_number "break here before-dlopen" \
+ $main_loader_srcfile]
gdb_continue_to_breakpoint "break here before-dlopen"
- # Poke desired values directly into inferior instead of using "set args"
- # because "set args" does not work under gdbserver.
- gdb_test_no_output "set var jit_libname = \"$binfile2_dlopen\""
+ gdb_test_no_output "set var jit_libname = \"$main_solib_binfile\"" \
+ "setting library name"
- gdb_breakpoint [gdb_get_line_number "break here after-dlopen" ]
+ gdb_breakpoint [gdb_get_line_number "break here after-dlopen" \
+ $main_loader_srcfile]
gdb_continue_to_breakpoint "break here after-dlopen"
- gdb_breakpoint "$srcfile2:[gdb_get_line_number {break here 0} $srcfile2]"
+ set line [gdb_get_line_number {break here 0} $main_solib_srcfile]
+ gdb_breakpoint "$main_solib_srcfile:$line"
gdb_continue_to_breakpoint "break here 0"
- gdb_test_no_output "set var argc = 2"
- gdb_test_no_output "set var libname = \"$solib_binfile_target\"" "set var libname = \"$solib_binfile_test_msg\""
- gdb_test_no_output "set var count = $count"
+ # 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=[expr $count + 1]" "forging argc"
+ gdb_test_no_output "set var argv=fake_argv" "forging argv"
+ for {set i 1} {$i <= $count} {incr i} {
+ set binfile_target [lindex $solib_binfiles_target [expr $i-1]]
+ gdb_test_no_output "set var argv\[$i\]=\"${binfile_target}\"" \
+ "forging argv\[$i\]"
+ }
- gdb_breakpoint "$srcfile2:[gdb_get_line_number {break here 1} $srcfile2]"
+ set line [gdb_get_line_number {break here 1} $main_solib_srcfile]
+ gdb_breakpoint "$main_solib_srcfile:$line"
gdb_continue_to_breakpoint "break here 1"
gdb_test "info function jit_function" "$match_str"
gdb_test "maintenance info break"
}
- gdb_breakpoint "$srcfile2:[gdb_get_line_number {break here 2} $srcfile2]"
+ set line [gdb_get_line_number {break here 2} $main_solib_srcfile]
+ gdb_breakpoint "$main_solib_srcfile:$line"
gdb_continue_to_breakpoint "break here 2"
+
# All jit librares must have been unregistered
gdb_test "info function jit_function" \
"All functions matching regular expression \"jit_function\":" \
}
}
-one_jit_test 1 "${hex} jit_function_0000"
-one_jit_test 2 "${hex} jit_function_0000\[\r\n\]+${hex} jit_function_0001"
+# Compile the main code (which loads the JIT objects) as a shared library.
+if { [compile_jit_elf_main_as_so {additional_flags="-DMAIN=jit_dl_main"}] < 0 } {
+ return
+}
+
+# Compile the "real" main for this test.
+if { [compile_jit_dlmain {shlib_load}] < 0 } {
+ return
+}
-# We don't intend to load the .so as a JIT debuginfo reader, but we
-# need some handy file name for a completion test.
-gdb_test \
- "complete jit-reader-load [standard_output_file ${solib_testfile}.s]" \
- "jit-reader-load $solib_binfile" \
- "test jit-reader-load filename completion"
+# 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 [lindex $jit_solibs_target 0] "${hex} jit_function_0001"
+one_jit_test $jit_solibs_target "${hex} jit_function_0001\[\r\n\]+${hex} jit_function_0002"
+
+foreach solib $jit_solibs_target {
+ # We don't intend to load the .so as a JIT debuginfo reader, but we
+ # need some handy file name for a completion test.
+ set input [string range $solib 0 [expr { [string length $solib] - 2 }]]
+ gdb_test \
+ "complete jit-reader-load [standard_output_file $input]" \
+ "jit-reader-load $solib" \
+ "test jit-reader-load filename completion [file tail $solib]"
+}
return 1
}
-# Compile the testcase program and library. BINSUFFIX is the suffix
-# to append to the program and library filenames, to make them unique
-# between invocations. OPTIONS is passed to gdb_compile when
-# compiling the program.
-
-proc compile_jit_test {testname binsuffix options} {
- global testfile srcfile binfile srcdir subdir
- global solib_testfile solib_srcfile solib_binfile solib_binfile_test_msg
- global solib_binfile_target
-
- set testfile jit-elf-main
- set srcfile ${testfile}.c
- set binfile [standard_output_file $testfile$binsuffix]
- if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" \
- executable [concat debug $options]] != "" } {
- untested $testname
- return -1
- }
+# The main code that loads and registers JIT objects.
+set main_basename jit-elf-main
+set main_srcfile ${srcdir}/${subdir}/${main_basename}.c
+set main_binfile [standard_output_file ${main_basename}]
- set solib_testfile "jit-elf-solib"
- set solib_srcfile "${srcdir}/${subdir}/${solib_testfile}.c"
- set solib_binfile [standard_output_file ${solib_testfile}$binsuffix.so]
- set solib_binfile_test_msg "SHLIBDIR/${solib_testfile}$binsuffix.so"
-
- # Note: compiling without debug info: the library goes through
- # symbol renaming by munging on its symbol table, and that
- # wouldn't work for .debug sections. Also, output for "info
- # function" changes when debug info is present.
- if { [gdb_compile_shlib ${solib_srcfile} ${solib_binfile} {-fPIC}] != "" } {
- untested $testname
- return -1
- }
+# The shared library that gets loaded as JIT objects.
+set jit_solib_basename jit-elf-solib
+set jit_solib_srcfile ${srcdir}/${subdir}/${jit_solib_basename}.c
- set solib_binfile_target [gdb_remote_download target ${solib_binfile}]
+# Compile jit-elf-main.c as an executable.
+#
+# BINSUFFIX is appended to the binary name.
+# OPTIONS is passed to gdb_compile when compiling the program.
+#
+# On success, return 0.
+# On failure, return -1.
+proc compile_jit_main {binsuffix options} {
+ global main_binfile main_srcfile main_basename
+
+ set binfile ${main_binfile}${binsuffix}
+ set options [concat $options debug]
+
+ if { [gdb_compile ${main_srcfile} ${binfile} \
+ executable $options] != "" } {
+ untested "failed to compile ${main_basename}.c"
+ return -1
+ }
return 0
}
+# Compile jit-elf-solib.c as a shared library in multiple copies and
+# upload them to the target.
+#
+# On success, return a list of target paths to the shared libraries.
+# On failure, return -1.
+proc compile_and_download_n_jit_so {count} {
+ global jit_solib_basename jit_solib_srcfile
+ set binfiles_target {}
+
+ for {set i 1} {$i <= $count} {incr i} {
+ set binfile [standard_output_file ${jit_solib_basename}.$i.so]
+
+ # Note: compiling without debug info by default: some test
+ # do symbol renaming by munging on ELF symbol table, and that
+ # wouldn't work for .debug sections. Also, output for "info
+ # function" changes when debug info is present.
+ if { [gdb_compile_shlib ${jit_solib_srcfile} ${binfile} {}] != "" } {
+ untested "failed to compile ${jit_solib_basename}.c as a shared library"
+ return -1
+ }
+
+ set path [gdb_remote_download target ${binfile}]
+ lappend binfiles_target $path
+ }
+
+ return $binfiles_target
+}
+
# Detach, restart GDB, and re-attach to the program.
proc clean_reattach {} {
- global decimal gdb_prompt srcfile testfile
+ global decimal gdb_prompt
+ global main_binfile main_srcfile
# Get PID of test program.
set testpid -1
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"
}
}
# 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" {
}
}
-proc one_jit_test {count match_str reattach} {
+proc one_jit_test {jit_solibs_target match_str reattach} {
+ set count [llength $jit_solibs_target]
+
with_test_prefix "one_jit_test-$count" {
- global verbose testfile solib_binfile_target solib_binfile_test_msg
+ global verbose
+ global main_binfile main_srcfile
- clean_restart $testfile
+ clean_restart ${main_binfile}
# This is just to help debugging when things fail
if {$verbose > 0} {
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
}
}
-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\[\r\n\]+${hex} jit_function_0002" 0
+}
# Test attaching to an inferior with some JIT libraries already
# registered. We reuse the normal test, and detach/reattach at
# specific interesting points.
if {[can_spawn_for_attach]} {
- if {[compile_jit_test "jit.exp attach tests" \
- "-attach" {additional_flags=-DATTACH=1}] < 0} {
- return
- }
-
- with_test_prefix attach {
- one_jit_test 2 "${hex} jit_function_0000\[\r\n\]+${hex} jit_function_0001" 1
+ if { [compile_jit_main "-attach" {additional_flags=-DATTACH=1}] == 0 } {
+ with_test_prefix attach {
+ one_jit_test $jit_solibs_target "${hex} jit_function_0001\[\r\n\]+${hex} jit_function_0002" 1
+ }
}
}
-with_test_prefix PIE {
- if {[compile_jit_test "jit.exp PIE tests" \
- "-pie" {additional_flags=-fPIE ldflags=-pie}] < 0} {
- return
+if { [compile_jit_main "-pie" {additional_flags=-fPIE ldflags=-pie}] == 0 } {
+ with_test_prefix PIE {
+ one_jit_test [lindex $jit_solibs_target 0] "${hex} jit_function_0001" 0
}
-
- one_jit_test 1 "${hex} jit_function_0000" 0
}