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SUITE_split_dwarf_PROBE() {
touch test.c
if ! $COMPILER -c -gsplit-dwarf test.c 2>/dev/null || [ ! -e test.dwo ]; then
echo "-gsplit-dwarf not supported by compiler"
elif ! $COMPILER -fdebug-prefix-map=a=b -c test.c 2>/dev/null; then
echo "-fdebug-prefix-map not supported by compiler"
fi
}
SUITE_split_dwarf_SETUP() {
unset CCACHE_NODIRECT
touch test.c
mkdir -p dir1/src dir1/include
cat <<EOF >dir1/src/test.c
#include <stdarg.h>
#include <test.h>
EOF
cat <<EOF >dir1/include/test.h
int test;
EOF
cp -r dir1 dir2
backdate dir1/include/test.h dir2/include/test.h
}
SUITE_split_dwarf() {
# -------------------------------------------------------------------------
TEST "Directory is hashed if using -gsplit-dwarf"
cd dir1
$CCACHE_COMPILE -I$(pwd)/include -c src/test.c -gsplit-dwarf
expect_stat direct_cache_hit 0
expect_stat cache_miss 1
$CCACHE_COMPILE -I$(pwd)/include -c src/test.c -gsplit-dwarf
expect_stat direct_cache_hit 1
expect_stat cache_miss 1
cd ../dir2
$CCACHE_COMPILE -I$(pwd)/include -c src/test.c -gsplit-dwarf
expect_stat direct_cache_hit 1
expect_stat cache_miss 2
$CCACHE_COMPILE -I$(pwd)/include -c src/test.c -gsplit-dwarf
expect_stat direct_cache_hit 2
expect_stat cache_miss 2
# -------------------------------------------------------------------------
TEST "Output filename is hashed if using -gsplit-dwarf"
cd dir1
$COMPILER -I$(pwd)/include -c src/test.c -o test.o -gsplit-dwarf
mv test.o reference.o
mv test.dwo reference.dwo
$COMPILER -I$(pwd)/include -c src/test.c -o test.o -gsplit-dwarf
mv test.o reference2.o
mv test.dwo reference2.dwo
if is_equal_object_files reference.o reference2.o; then
$CCACHE_COMPILE -I$(pwd)/include -c src/test.c -o test.o -gsplit-dwarf
expect_equal_object_files reference.o test.o
expect_equal_object_files reference.dwo test.dwo
expect_stat direct_cache_hit 0
expect_stat preprocessed_cache_hit 0
expect_stat cache_miss 1
expect_stat files_in_cache 2
$CCACHE_COMPILE -I$(pwd)/include -c src/test.c -o test.o -gsplit-dwarf
expect_equal_object_files reference.o test.o
expect_equal_object_files reference.dwo test.dwo
expect_stat direct_cache_hit 1
expect_stat preprocessed_cache_hit 0
expect_stat cache_miss 1
expect_stat files_in_cache 2
$COMPILER -I$(pwd)/include -c src/test.c -o test2.o -gsplit-dwarf
mv test2.o reference2.o
mv test2.dwo reference2.dwo
$CCACHE_COMPILE -I$(pwd)/include -c src/test.c -o test2.o -gsplit-dwarf
expect_equal_object_files reference2.o test2.o
expect_equal_object_files reference2.dwo test2.dwo
expect_stat direct_cache_hit 1
expect_stat preprocessed_cache_hit 0
expect_stat cache_miss 2
expect_stat files_in_cache 4
$CCACHE_COMPILE -I$(pwd)/include -c src/test.c -o test2.o -gsplit-dwarf
expect_equal_object_files reference2.o test2.o
expect_equal_object_files reference2.dwo test2.dwo
expect_stat direct_cache_hit 2
expect_stat preprocessed_cache_hit 0
expect_stat cache_miss 2
expect_stat files_in_cache 4
fi
# Else: Compiler does not produce stable object file output when compiling
# the same source to the same output filename twice (DW_AT_GNU_dwo_id
# differs), so we can't verify filename hashing.
# -------------------------------------------------------------------------
if $RUN_WIN_XFAIL; then
TEST "-fdebug-prefix-map and -gsplit-dwarf"
cd dir1
CCACHE_BASEDIR=$(pwd) $CCACHE_COMPILE -I$(pwd)/include -gsplit-dwarf -fdebug-prefix-map=$(pwd)=. -c $(pwd)/src/test.c -o $(pwd)/test.o
expect_stat direct_cache_hit 0
expect_stat preprocessed_cache_hit 0
expect_stat cache_miss 1
expect_stat files_in_cache 2
expect_objdump_not_contains test.o "$(pwd)" 2>/dev/null
cd ../dir2
CCACHE_BASEDIR=$(pwd) $CCACHE_COMPILE -I$(pwd)/include -gsplit-dwarf -fdebug-prefix-map=$(pwd)=. -c $(pwd)/src/test.c -o $(pwd)/test.o
expect_stat direct_cache_hit 1
expect_stat preprocessed_cache_hit 0
expect_stat cache_miss 1
expect_stat files_in_cache 2
expect_objdump_not_contains test.o "$(pwd)" 2>/dev/null
fi
# -------------------------------------------------------------------------
TEST "-gsplit-dwarf -g1"
# "gcc -gsplit-dwarf -g1" produces a .dwo file, but "clang -gsplit-dwarf
# -g1" doesn't, so test that ccache handles it gracefully either way.
$COMPILER -gsplit-dwarf -g1 -c test.c -o reference.o
$CCACHE_COMPILE -gsplit-dwarf -g1 -c test.c
expect_stat direct_cache_hit 0
expect_stat preprocessed_cache_hit 0
expect_stat cache_miss 1
rm -f test.dwo
$CCACHE_COMPILE -gsplit-dwarf -g1 -c test.c
expect_stat direct_cache_hit 1
expect_stat preprocessed_cache_hit 0
expect_stat cache_miss 1
if [ -f reference.dwo ] && [ ! -f test.dwo ]; then
test_failed ".dwo missing"
elif [ ! -f reference.dwo ] && [ -f test.dwo ]; then
test_failed ".dwo not missing"
fi
# -------------------------------------------------------------------------
TEST "Object file without dot"
$CCACHE_COMPILE -gsplit-dwarf -c test.c -o test
expect_stat direct_cache_hit 0
expect_stat preprocessed_cache_hit 0
expect_stat cache_miss 1
expect_exists test.dwo
rm test.dwo
$CCACHE_COMPILE -gsplit-dwarf -c test.c -o test
expect_stat direct_cache_hit 1
expect_stat preprocessed_cache_hit 0
expect_stat cache_miss 1
expect_exists test.dwo
# -------------------------------------------------------------------------
TEST "Object file with two dots"
$CCACHE_COMPILE -gsplit-dwarf -c test.c -o test.x.y
expect_stat direct_cache_hit 0
expect_stat preprocessed_cache_hit 0
expect_stat cache_miss 1
expect_exists test.x.dwo
rm test.x.dwo
$CCACHE_COMPILE -gsplit-dwarf -c test.c -o test.x.y
expect_stat direct_cache_hit 1
expect_stat preprocessed_cache_hit 0
expect_stat cache_miss 1
expect_exists test.x.dwo
}
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