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Commit 967511a4 authored by Peter Collingbourne's avatar Peter Collingbourne
Browse files

Pass -hwasan-allow-ifunc when building with hwasan. 

Now that the toolchain and bionic both support ifuncs in
static executables, we can turn this on. Reduces size of
walleye_hwasan-userdebug system.img by 11MB.

Change-Id: I2f19b22518153328eee3fdca79d0c851cc513c3a
parent 8a49795d

cc/sanitize.go

+5 −1
Original line number Diff line number Diff line
@@ -35,7 +35,11 @@ var ( 
	asanLdflags = []string{"-Wl,-u,__asan_preinit"}

	asanLibs    = []string{"libasan"}



	hwasanCflags = []string{"-fno-omit-frame-pointer", "-Wno-frame-larger-than=", "-mllvm", "-hwasan-create-frame-descriptions=0"}

	// TODO(pcc): Stop passing -hwasan-allow-ifunc here once it has been made

	// the default.

	hwasanCflags = []string{"-fno-omit-frame-pointer", "-Wno-frame-larger-than=",

		"-mllvm", "-hwasan-create-frame-descriptions=0",

		"-mllvm", "-hwasan-allow-ifunc"}



	cfiCflags = []string{"-flto", "-fsanitize-cfi-cross-dso",

		"-fsanitize-blacklist=external/compiler-rt/lib/cfi/cfi_blacklist.txt"}