blob: 6ee9c0071eceb726adb56937208fe8c7313ee2a9 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
|
# Copyright 2011-2021 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 3 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, see <http://www.gnu.org/licenses/>.
# The same tests as in jit.exp, but loading JITer itself from a shared
# library.
if {[skip_shlib_tests]} {
untested "skipping shared library tests"
return -1
}
if {[get_compiler_info]} {
untested "could not get compiler info"
return 1
}
load_lib jit-elf-helpers.exp
# Increase this to see more detail.
set test_verbose 0
# 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 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 main_loader_basename
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
}
# 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 $solib_binfiles_target]
with_test_prefix "one_jit_test-$count" {
global test_verbose
global main_loader_binfile main_loader_srcfile
global main_solib_binfile main_solib_srcfile
clean_restart $main_loader_binfile
gdb_load_shlib $main_solib_binfile
# This is just to help debugging when things fail
if {$test_verbose > 0} {
gdb_test "set debug jit 1"
}
if { ![runto_main] } {
return
}
gdb_breakpoint [gdb_get_line_number "break here before-dlopen" \
$main_loader_srcfile]
gdb_continue_to_breakpoint "break here before-dlopen"
gdb_test_no_output "set var jit_libname = \"$main_solib_binfile\"" \
"setting library name"
gdb_breakpoint [gdb_get_line_number "break here after-dlopen" \
$main_loader_srcfile]
gdb_continue_to_breakpoint "break here after-dlopen"
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"
# 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\[$i\]"
}
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"
# This is just to help debugging when things fail
if {$test_verbose > 0} {
gdb_test "maintenance print objfiles"
gdb_test "maintenance info break"
}
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\":" \
"info function jit_function after unregistration"
}
}
# Compile the main code (which loads the JIT objects) as a shared library.
if { [compile_jit_elf_main_as_so $main_solib_srcfile $main_solib_binfile \
{additional_flags="-DMAIN=jit_dl_main"}] < 0 } {
return
}
# Compile the "real" main for this test.
if { [compile_jit_dlmain {shlib_load}] < 0 } {
return
}
# Compile two shared libraries to use as JIT objects.
set jit_solibs_target [compile_and_download_n_jit_so \
$jit_solib_basename $jit_solib_srcfile 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]"
}
|
