mirror of
https://github.com/mstorsjo/llvm-mingw
synced 2026-06-21 14:01:00 +00:00
Martin Storsjö
133 lines
4.3 KiB
Bash
Executable File
133 lines
4.3 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (c) 2022 Martin Storsjo
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#
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# Permission to use, copy, modify, and/or distribute this software for any
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# purpose with or without fee is hereby granted, provided that the above
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# copyright notice and this permission notice appear in all copies.
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#
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# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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set -ex
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if [ $# -lt 1 ]; then
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echo $0 prefix
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exit 1
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fi
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PREFIX="$1"
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PREFIX="$(cd "$PREFIX" && pwd)"
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export PATH=$PREFIX/bin:$PATH
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# We use tool names with explicit .exe suffixes here, so that it works both
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# in msys2 bash and in bash in WSL.
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: ${CXX:=clang++.exe}
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: ${LLDB:=lldb.exe}
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: ${OBJCOPY:=objcopy.exe}
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TARGET=$(clang.exe -dumpmachine)
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ARCH="${TARGET%%-*}"
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cd test
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TEST_DIR="$ARCH"
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[ -z "$CLEAN" ] || rm -rf $TEST_DIR
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mkdir -p $TEST_DIR
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# Build an executable with DWARF debug info
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$CXX hello-exception.cpp -o $TEST_DIR/hello-exception-dwarf.exe -g
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# Build an executable with PDB debug info. Strip out any bundled DWARF debug info.
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$CXX hello-exception.cpp -o $TEST_DIR/hello-exception-pdb.exe -g -gcodeview -Wl,--pdb= -Wl,-s
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# Make a DWARF split debug info file with gnu debuglink.
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cp $TEST_DIR/hello-exception-dwarf.exe $TEST_DIR/hello-exception-split.exe
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$OBJCOPY --only-keep-debug $TEST_DIR/hello-exception-split.exe $TEST_DIR/hello-exception-split.dbg
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$OBJCOPY --strip-all $TEST_DIR/hello-exception-split.exe
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$OBJCOPY --add-gnu-debuglink=$TEST_DIR/hello-exception-split.dbg $TEST_DIR/hello-exception-split.exe
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for i in libc++ libunwind; do
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if [ -f $PREFIX/$ARCH-w64-mingw32/bin/$i.dll ]; then
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cp $PREFIX/$ARCH-w64-mingw32/bin/$i.dll $TEST_DIR
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fi
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done
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# Test debugging a crashing executable, and check the backtrace of
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# the crash.
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OUT=lldb-test-out
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SCRIPT=lldb-test-script
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cat > $SCRIPT <<EOF
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run
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bt
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EOF
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for exe in hello-exception-dwarf.exe hello-exception-pdb.exe hello-exception-split.exe; do
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$LLDB -b -s $SCRIPT -- $TEST_DIR/$exe -crash < /dev/null > $OUT 2>/dev/null
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cat $OUT
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grep -q "Access violation" $OUT
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if [ "$ARCH" != "armv7" ] || [ "$exe" = "hello-exception-pdb.exe" ]; then
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grep -q "volatile int.*NULL.*0x42" $OUT
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fi
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if [ "$ARCH" != "armv7" ]; then
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# armv7 pdb gives "val=<unavailable>".
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grep -q "frame #0: .*hello-exception.*.exe.recurse(val=0) at hello-exception.cpp:" $OUT
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grep -q "hello-exception.*.exe.recurse(val=10) at hello-exception.cpp:" $OUT
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fi
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done
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exe=hello-exception-dwarf.exe
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if [ "$ARCH" = "armv7" ]; then
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# LLDB works better on ARM with PDB than with DWARF.
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exe=hello-exception-pdb.exe
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fi
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# Test running into a programmatic breakpoint (__debugbreak), check the
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# backtrace from there, and check that we can continue from it.
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cat > $SCRIPT <<EOF
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run
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bt
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cont
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EOF
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$LLDB -b -s $SCRIPT -- $TEST_DIR/$exe -breakpoint < /dev/null > $OUT 2>/dev/null
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cat $OUT
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grep -q "stop reason = Exception 0x80000003" $OUT
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# Not checking that __debugbreak is "frame #0"; on arm/aarch64, the program
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# counter points into the __debugbreak function, while on x86, it points to
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# the calling recurse function.
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grep -q "__debugbreak" $OUT
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if [ "$ARCH" != "armv7" ]; then
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grep -q "hello-exception.*.exe.recurse(val=10) at hello-exception.cpp:" $OUT
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fi
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grep -q "exited with status = 0" $OUT
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# Test setting a breakpoint in LLDB, checking the backtrace when we hit it,
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# stepping from the breakpoint, and running to completion.
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cat > $SCRIPT <<EOF
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b done
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run
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bt
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finish
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cont
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EOF
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$LLDB -b -s $SCRIPT -- $TEST_DIR/$exe -noop < /dev/null > $OUT 2>/dev/null
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cat $OUT
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grep -q "Breakpoint 1: where = hello-exception.*.exe.done.* at hello-exception.cpp:" $OUT
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grep -q "stop reason = breakpoint" $OUT
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grep -q "frame #0: .*hello-exception.*.exe.done.* at hello-exception.cpp:" $OUT
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if [ "$ARCH" != "armv7" ]; then
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grep -q "frame #0: .*hello-exception.*.exe.recurse(val=0) at hello-exception.cpp:" $OUT
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grep -q "hello-exception.*.exe.recurse(val=10) at hello-exception.cpp:" $OUT
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fi
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grep -q "exited with status = 0" $OUT
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rm -f $OUT $SCRIPT
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echo All tests succeeded
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