Adding checks for assembly files in libunwind

src/test/run-make/x86_64-fortanix-unknown-sgx-lvi/Makefile

@@ -0,0 +1,17 @@
+-include ../../run-make-fulldeps/tools.mk
+
+#only-x86_64-fortanix-unknown-sgx
+
+OBJDUMP="${S}/build/x86_64-unknown-linux-gnu/llvm/build/bin/llvm-objdump"
+FILECHECK="${S}/build/x86_64-unknown-linux-gnu/llvm/build/bin/FileCheck"
+
+all:
+	$(RUSTC) --target ${TARGET} enclave.rs
+
+	#TODO: re-enable check when newly compiled libunwind is used
+	#${OBJDUMP} --disassemble-symbols=unw_getcontext --demangle $(TMPDIR)/enclave > $(TMPDIR)/unw_getcontext.asm
+	#${FILECHECK} --input-file $(TMPDIR)/unw_getcontext.asm unw_getcontext.checks
+
+	#TODO: re-enable check when newly compiled libunwind is used
+	${OBJDUMP} --disassemble-symbols="libunwind::Registers_x86_64::jumpto()" --demangle $(TMPDIR)/enclave > $(TMPDIR)/jumpto.asm
+	${FILECHECK} --input-file $(TMPDIR)/jumpto.asm jumpto.checks

src/test/run-make/x86_64-fortanix-unknown-sgx-lvi/enclave.rs

@@ -0,0 +1,5 @@
+
+pub fn main() {
+    println!("Hello, World!");
+}
+

src/test/run-make/x86_64-fortanix-unknown-sgx-lvi/jumpto.checks

@@ -0,0 +1,8 @@
+CHECK: libunwind::Registers_x86_64::jumpto
+CHECK:      lfence
+CHECK:      lfence
+CHECK:      lfence
+CHECK:      lfence
+CHECK:      shlq    $0, (%rsp)
+CHECK-NEXT: lfence
+CHECK-NEXT: retq

src/test/run-make/x86_64-fortanix-unknown-sgx-lvi/unw_getcontext.checks

@@ -0,0 +1,7 @@
+CHECK: unw_getcontext
+CHECK:      lfence
+CHECK:      lfence
+CHECK:      notq (%rsp)
+CHECK-NEXT: notq (%rsp)
+CHECK-NEXT: lfence
+CHECK-NEXT: retq