aosp12/external/elfutils/tests/run-readelf-gdb_index.sh

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#! /bin/sh
# Copyright (C) 2012 Red Hat, Inc.
# This file is part of elfutils.
#
# This file 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.
#
# elfutils 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/>.
. $srcdir/test-subr.sh
# common.h
# struct foo
# {
# const char *bar;
# };
#
# extern char *global;
# int say (struct foo *prefix);
# hello.c
# #include "common.h"
#
# static char *hello = "Hello";
#
# int
# main (int argc, char **argv)
# {
# struct foo baz;
# global = hello;
# baz.bar = global;
# return say(&baz);
# }
# world.c
# #include "common.h"
#
# char *global;
#
# static int hello (const char *bar)
# {
# return bar == global;
# }
#
# int
# say (struct foo *prefix)
# {
# return hello (prefix->bar);
# }
# gcc -g -fdebug-types-section -c hello.c
# gcc -g -fdebug-types-section -c world.c
# gcc -g -fdebug-types-section -o testfilegdbindex7 hello.o world.o
# gdb testfilegdbindex7
# (gdb) save gdb-index .
# objcopy --add-section .gdb_index=testfilegdbindex7.gdb-index --set-section-flags .gdb_index=readonly testfilegdbindex7 testfilegdbindex7
testfiles testfilegdbindex5 testfilegdbindex7
testrun_compare ${abs_top_builddir}/src/readelf --debug-dump=gdb_index testfilegdbindex5 <<\EOF
GDB section [33] '.gdb_index' at offset 0xe76 contains 8383 bytes :
Version: 5
CU offset: 0x18
TU offset: 0x38
address offset: 0x50
symbol offset: 0x78
constant offset: 0x2078
CU list at offset 0x18 contains 2 entries:
[ 0] start: 00000000, length: 184
[ 1] start: 0x0000b8, length: 204
TU list at offset 0x38 contains 1 entries:
[ 0] CU offset: 0, type offset: 29, signature: 0x87e03f92cc37cdf0
Address list at offset 0x50 contains 2 entries:
[ 0] 0x000000000040049c <main>..0x00000000004004d1 <main+0x35>, CU index: 0
[ 1] 0x00000000004004d4 <hello>..0x000000000040050b <say+0x1c>, CU index: 1
Symbol table at offset 0x50 contains 1024 slots:
[ 123] symbol: global, CUs: 1
[ 489] symbol: main, CUs: 0
[ 518] symbol: char, CUs: 0
[ 661] symbol: foo, CUs: 0T
[ 741] symbol: hello, CUs: 0, 1
[ 746] symbol: say, CUs: 1
[ 754] symbol: int, CUs: 0
EOF
testrun_compare ${abs_top_builddir}/src/readelf --debug-dump=gdb_index testfilegdbindex7 <<\EOF
GDB section [33] '.gdb_index' at offset 0xe76 contains 8399 bytes :
Version: 7
CU offset: 0x18
TU offset: 0x38
address offset: 0x50
symbol offset: 0x78
constant offset: 0x2078
CU list at offset 0x18 contains 2 entries:
[ 0] start: 00000000, length: 184
[ 1] start: 0x0000b8, length: 204
TU list at offset 0x38 contains 1 entries:
[ 0] CU offset: 0, type offset: 29, signature: 0x87e03f92cc37cdf0
Address list at offset 0x50 contains 2 entries:
[ 0] 0x000000000040049c <main>..0x00000000004004d1 <main+0x35>, CU index: 0
[ 1] 0x00000000004004d4 <hello>..0x000000000040050b <say+0x1c>, CU index: 1
Symbol table at offset 0x50 contains 1024 slots:
[ 123] symbol: global, CUs: 1 (var:G)
[ 489] symbol: main, CUs: 0 (func:G)
[ 518] symbol: char, CUs: 0 (type:S)
[ 661] symbol: foo, CUs: 0T (type:S)
[ 741] symbol: hello, CUs: 0 (var:S), 1 (func:S)
[ 746] symbol: say, CUs: 1 (func:G)
[ 754] symbol: int, CUs: 0 (type:S)
EOF
exit 0