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#!/bin/sh
set -exuo pipefail
function build {
CRATE=enclave
mkdir -p $WORK_DIR
pushd $WORK_DIR
rm -rf $CRATE
cp -a $TEST_DIR/enclave .
pushd $CRATE
echo ${WORK_DIR}
# HACK(eddyb) sets `RUSTC_BOOTSTRAP=1` so Cargo can accept nightly features.
# These come from the top-level Rust workspace, that this crate is not a
# member of, but Cargo tries to load the workspace `Cargo.toml` anyway.
env RUSTC_BOOTSTRAP=1
cargo -v run --target $TARGET
popd
popd
}
function check {
local func_re="$1"
local checks="${TEST_DIR}/$2"
local asm=$(mktemp)
local objdump="${LLVM_BIN_DIR}/llvm-objdump"
local filecheck="${LLVM_BIN_DIR}/FileCheck"
local enclave=${WORK_DIR}/enclave/target/x86_64-fortanix-unknown-sgx/debug/enclave
func="$(${objdump} --syms --demangle ${enclave} | \
grep --only-matching -E "[[:blank:]]+${func_re}\$" | \
sed -e 's/^[[:space:]]*//' )"
${objdump} --disassemble-symbols="${func}" --demangle \
${enclave} > ${asm}
${filecheck} --input-file ${asm} ${checks}
if [ "${func_re}" != "rust_plus_one_global_asm" &&
"${func_re}" != "cmake_plus_one_c_global_asm" ]; then
# The assembler cannot avoid explicit `ret` instructions. Sequences
# of `shlq $0x0, (%rsp); lfence; retq` are used instead.
# https://www.intel.com/content/www/us/en/developer/articles/technical/
# software-security-guidance/technical-documentation/load-value-injection.html
${filecheck} --implicit-check-not ret --input-file ${asm} ${checks}
fi
}
build
check "unw_getcontext" unw_getcontext.checks
check "__libunwind_Registers_x86_64_jumpto" jumpto.checks
check 'std::io::stdio::_print::[[:alnum:]]+' print.checks
check rust_plus_one_global_asm rust_plus_one_global_asm.checks
check cc_plus_one_c cc_plus_one_c.checks
check cc_plus_one_c_asm cc_plus_one_c_asm.checks
check cc_plus_one_cxx cc_plus_one_cxx.checks
check cc_plus_one_cxx_asm cc_plus_one_cxx_asm.checks
check cc_plus_one_asm cc_plus_one_asm.checks
check cmake_plus_one_c cmake_plus_one_c.checks
check cmake_plus_one_c_asm cmake_plus_one_c_asm.checks
check cmake_plus_one_c_global_asm cmake_plus_one_c_global_asm.checks
check cmake_plus_one_cxx cmake_plus_one_cxx.checks
check cmake_plus_one_cxx_asm cmake_plus_one_cxx_asm.checks
check cmake_plus_one_cxx_global_asm cmake_plus_one_cxx_global_asm.checks
check cmake_plus_one_asm cmake_plus_one_asm.checks
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