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Tue, 16 Dec 2025 07:34:32 -0800 (PST) Message-ID: <0cdf924a-2e9b-4997-a01d-6d8b2f711104@suse.com> Date: Tue, 16 Dec 2025 16:34:31 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Content-Language: en-US To: "xen-devel@lists.xenproject.org" Cc: Anthony PERARD , Andrew Cooper , =?UTF-8?Q?Roger_Pau_Monn=C3=A9?= From: Jan Beulich Subject: [PATCH] tools/fuzz: use vpath uniformly for access to hypervisor library code Autocrypt: addr=jbeulich@suse.com; keydata= xsDiBFk3nEQRBADAEaSw6zC/EJkiwGPXbWtPxl2xCdSoeepS07jW8UgcHNurfHvUzogEq5xk hu507c3BarVjyWCJOylMNR98Yd8VqD9UfmX0Hb8/BrA+Hl6/DB/eqGptrf4BSRwcZQM32aZK 7Pj2XbGWIUrZrd70x1eAP9QE3P79Y2oLrsCgbZJfEwCgvz9JjGmQqQkRiTVzlZVCJYcyGGsD /0tbFCzD2h20ahe8rC1gbb3K3qk+LpBtvjBu1RY9drYk0NymiGbJWZgab6t1jM7sk2vuf0Py O9Hf9XBmK0uE9IgMaiCpc32XV9oASz6UJebwkX+zF2jG5I1BfnO9g7KlotcA/v5ClMjgo6Gl MDY4HxoSRu3i1cqqSDtVlt+AOVBJBACrZcnHAUSuCXBPy0jOlBhxPqRWv6ND4c9PH1xjQ3NP nxJuMBS8rnNg22uyfAgmBKNLpLgAGVRMZGaGoJObGf72s6TeIqKJo/LtggAS9qAUiuKVnygo 3wjfkS9A3DRO+SpU7JqWdsveeIQyeyEJ/8PTowmSQLakF+3fote9ybzd880fSmFuIEJldWxp Y2ggPGpiZXVsaWNoQHN1c2UuY29tPsJgBBMRAgAgBQJZN5xEAhsDBgsJCAcDAgQVAggDBBYC AwECHgECF4AACgkQoDSui/t3IH4J+wCfQ5jHdEjCRHj23O/5ttg9r9OIruwAn3103WUITZee e7Sbg12UgcQ5lv7SzsFNBFk3nEQQCACCuTjCjFOUdi5Nm244F+78kLghRcin/awv+IrTcIWF hUpSs1Y91iQQ7KItirz5uwCPlwejSJDQJLIS+QtJHaXDXeV6NI0Uef1hP20+y8qydDiVkv6l IreXjTb7DvksRgJNvCkWtYnlS3mYvQ9NzS9PhyALWbXnH6sIJd2O9lKS1Mrfq+y0IXCP10eS FFGg+Av3IQeFatkJAyju0PPthyTqxSI4lZYuJVPknzgaeuJv/2NccrPvmeDg6Coe7ZIeQ8Yj t0ARxu2xytAkkLCel1Lz1WLmwLstV30g80nkgZf/wr+/BXJW/oIvRlonUkxv+IbBM3dX2OV8 AmRv1ySWPTP7AAMFB/9PQK/VtlNUJvg8GXj9ootzrteGfVZVVT4XBJkfwBcpC/XcPzldjv+3 HYudvpdNK3lLujXeA5fLOH+Z/G9WBc5pFVSMocI71I8bT8lIAzreg0WvkWg5V2WZsUMlnDL9 mpwIGFhlbM3gfDMs7MPMu8YQRFVdUvtSpaAs8OFfGQ0ia3LGZcjA6Ik2+xcqscEJzNH+qh8V m5jjp28yZgaqTaRbg3M/+MTbMpicpZuqF4rnB0AQD12/3BNWDR6bmh+EkYSMcEIpQmBM51qM EKYTQGybRCjpnKHGOxG0rfFY1085mBDZCH5Kx0cl0HVJuQKC+dV2ZY5AqjcKwAxpE75MLFkr wkkEGBECAAkFAlk3nEQCGwwACgkQoDSui/t3IH7nnwCfcJWUDUFKdCsBH/E5d+0ZnMQi+G0A nAuWpQkjM1ASeQwSHEeAWPgskBQL Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @suse.com) X-ZM-MESSAGEID: 1765899294377158500 Content-Type: text/plain; charset="utf-8" It's not quite clear why for libelf and the emulator we use symlink-ing, while elsewhere we use vpath. Do so for these two as well, thus also eliminating the need for custom -iquote options and custom cleaning. Signed-off-by: Jan Beulich Acked-by: Andrew Cooper --- Of course for the emulator fuzzer we could go farther and use vpath also for the references into the test harness dir as well as the core emulator one. --- a/tools/fuzz/libelf/Makefile +++ b/tools/fuzz/libelf/Makefile @@ -1,17 +1,15 @@ XEN_ROOT =3D $(CURDIR)/../../.. include $(XEN_ROOT)/tools/Rules.mk =20 +vpath %.c $(XEN_ROOT)/xen/common/libelf + LIBELF_OBJS :=3D libelf-tools.o libelf-loader.o libelf-dominfo.o =20 -CFLAGS +=3D -iquote ../../../xen/common/libelf $(LIBELF_OBJS): CFLAGS +=3D -Wno-pointer-sign $(LIBELF_OBJS): CFLAGS +=3D -DFUZZ_NO_LIBXC $(CFLAGS_xeninclude) =20 libelf-fuzzer.o: CFLAGS +=3D $(CFLAGS_xeninclude) =20 -$(LIBELF_OBJS:.o=3D.c): libelf-%.c: ../../../xen/common/libelf/libelf-%.c = FORCE - ln -nsf $< $@ - libelf.a: libelf-fuzzer.o $(LIBELF_OBJS) $(AR) rc $@ $^ =20 @@ -30,7 +28,7 @@ distclean: clean =20 .PHONY: clean clean: - rm -f *.o .*.d *.a *-libelf-fuzzer $(LIBELF_OBJS:.o=3D.c) + rm -f *.o .*.d *.a *-libelf-fuzzer =20 .PHONY: install install: all --- a/tools/fuzz/x86_instruction_emulator/Makefile +++ b/tools/fuzz/x86_instruction_emulator/Makefile @@ -9,8 +9,7 @@ x86-insn-fuzz-all: endif =20 # Add libx86 to the build -%.c: $(XEN_ROOT)/xen/lib/x86/%.c FORCE - ln -nsf $< $@ +vpath %.c $(XEN_ROOT)/xen/lib/x86 =20 x86_emulate: FORCE mkdir -p $@ @@ -25,7 +24,6 @@ x86_emulate/%.h: x86_emulate ; ln -nsf $< $@ =20 CFLAGS +=3D $(CFLAGS_xeninclude) -D__XEN_TOOLS__ -iquote . -cpuid.o: CFLAGS +=3D -iquote $(XEN_ROOT)/xen/lib/x86 =20 GCOV_FLAGS :=3D --coverage %-cov.o: %.c @@ -72,7 +70,7 @@ distclean: clean clean: rm -f *.a *.o $(DEPS_RM) *.gcda *.gcno *.gcov rm -f afl-harness afl-harness-cov libfuzzer-harness - rm -rf x86_emulate x86-emulate.c x86-emulate.h wrappers.c cpuid.c + rm -rf x86_emulate x86-emulate.c x86-emulate.h wrappers.c =20 .PHONY: install install: all