Use $(OBJCOPY) to point to the correct objcopy binary. Do not discard .got.plt because we need to detect libcalls and fail the compilation if they exist. Cc: Sean Christopherson <sean.j.christopherson@xxxxxxxxx> Reported-by: Cedric Xing <cedric.xing@xxxxxxxxx> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx> --- tools/testing/selftests/x86/sgx/Makefile | 6 +++++- tools/testing/selftests/x86/sgx/encl.lds | 1 + 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/x86/sgx/Makefile b/tools/testing/selftests/x86/sgx/Makefile index 10136b73096b..fdd67478c52b 100644 --- a/tools/testing/selftests/x86/sgx/Makefile +++ b/tools/testing/selftests/x86/sgx/Makefile @@ -2,6 +2,10 @@ top_srcdir = ../../../../.. include ../../lib.mk +ifndef OBJCOPY +OBJCOPY := $(CROSS_COMPILE)objcopy +endif + HOST_CFLAGS := -Wall -Werror -g $(INCLUDES) -fPIC -z noexecstack ENCL_CFLAGS := -Wall -Werror -static -nostdlib -nostartfiles -fPIC \ -fno-stack-protector -mrdrnd $(INCLUDES) @@ -23,7 +27,7 @@ $(OUTPUT)/encl_piggy.o: $(OUTPUT)/encl.bin $(OUTPUT)/encl.ss $(CC) $(HOST_CFLAGS) -c encl_piggy.S -o $@ $(OUTPUT)/encl.bin: $(OUTPUT)/encl.elf $(OUTPUT)/sgxsign - objcopy --remove-section=.got.plt -O binary $< $@ + $(OBJCOPY) -O binary $< $@ $(OUTPUT)/encl.elf: $(OUTPUT)/encl.o $(OUTPUT)/encl_bootstrap.o $(CC) $(ENCL_CFLAGS) -T encl.lds -o $@ $^ diff --git a/tools/testing/selftests/x86/sgx/encl.lds b/tools/testing/selftests/x86/sgx/encl.lds index 2ee01ac3ec79..9a56d3064104 100644 --- a/tools/testing/selftests/x86/sgx/encl.lds +++ b/tools/testing/selftests/x86/sgx/encl.lds @@ -31,3 +31,4 @@ ASSERT(!DEFINED(.altinstructions), "ALTERNATIVES are not supported in enclaves") ASSERT(!DEFINED(.altinstr_replacement), "ALTERNATIVES are not supported in enclaves") ASSERT(!DEFINED(.discard.retpoline_safe), "RETPOLINE ALTERNATIVES are not supported in enclaves") ASSERT(!DEFINED(.discard.nospec), "RETPOLINE ALTERNATIVES are not supported in enclaves") +ASSERT(!DEFINED(.got.plt), "Libcalls are not supported in enclaves") -- 2.20.1