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Wed, 26 Aug 2026 05:01:28 -0700 (PDT) Message-ID: <6f4b26ce-2797-4c17-bfdf-8effd2026a6a@suse.com> Date: Wed, 26 Aug 2026 14:01:24 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: [PATCH v2 3/7] RISC-V: split xen-syms linking rule From: Jan Beulich To: "xen-devel@lists.xenproject.org" Cc: Andrew Cooper , Julien Grall , Stefano Stabellini , Anthony PERARD , Michal Orzel , =?UTF-8?Q?Roger_Pau_Monn=C3=A9?= , Alistair Francis , Connor Davis , Oleksii Kurochko References: <9a78fdea-08ba-4e04-bfa1-ba09730a300b@suse.com> Content-Language: en-US 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 In-Reply-To: <9a78fdea-08ba-4e04-bfa1-ba09730a300b@suse.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-purgate-ID: tlsNG-d25034/1787745720-014C7A5B-4E4DC9A0/0/0 X-purgate-type: clean X-purgate-size: 2927 Doing so, besides (hopefully) adding clarity (not the least by way of [re-]using pattern rules where possible), also avoids explicit recursive $(MAKE) invocations. By re-using the generic rules introduced when the respective x86 rule was split, - the .map file now isn't created after the final binary anymore, - --strip-debug is passed to $(LD) during early linking passes (for consistency the option is also explicitly added to the optional linking pass rule), - CONFIG_{SUPPRESS_DUPLICATE_SYMBOL_WARNINGS,ENFORCE_UNIQUE_SYMBOLS} are now properly respected. Orphan section checking, otoh, is getting suppressed for now, until the about a dozen warnings which would result have been taken care of. While the 4th linking step continues to be avoided when possible, a redundant invocation of $(NM) and tools/symbols (plus the assembling of the resulting .S file) is hopefully deemed acceptable. Signed-off-by: Jan Beulich --- a/xen/arch/riscv/Makefile +++ b/xen/arch/riscv/Makefile @@ -31,40 +31,12 @@ obj-y += vtimer.o $(TARGET): $(TARGET)-syms $(OBJCOPY) -O binary -S $< $@ -$(TARGET)-syms: $(objtree)/prelink.o $(obj)/xen.lds - $(objtree)/tools/symbols $(all_symbols) --empty > $(dot-target).0.S - $(MAKE) $(build)=$(@D) $(dot-target).0.o - $(LD) $(XEN_LDFLAGS) -T $(obj)/xen.lds $< $(build_id_linker) \ - $(dot-target).0.o -o $(dot-target).0 - $(NM) -pa --format=sysv $(dot-target).0 \ - | $(objtree)/tools/symbols $(all_symbols) --sysv --sort \ - > $(dot-target).1.S - $(MAKE) $(build)=$(@D) $(dot-target).1.o - $(LD) $(XEN_LDFLAGS) -T $(obj)/xen.lds $< $(build_id_linker) \ - $(dot-target).1.o -o $(dot-target).1 - $(NM) -pa --format=sysv $(dot-target).1 \ - | $(objtree)/tools/symbols $(all_symbols) --sysv --sort \ - > $(dot-target).2.S - $(MAKE) $(build)=$(@D) $(dot-target).2.o - if ! { $(call compare-symbol-tables, $(dot-target).1.o, $(dot-target).2.o) >/dev/null; }; \ - then \ - set -e; \ - $(LD) $(XEN_LDFLAGS) -T $(obj)/xen.lds $< $(build_id_linker) \ - $(dot-target).2.o -o $(dot-target).2; \ - $(NM) -pa --format=sysv $(dot-target).2 \ - | $(objtree)/tools/symbols $(all_symbols) --sysv --sort \ - > $(dot-target).3.S; \ - $(MAKE) $(build)=$(@D) $(dot-target).3.o; \ - $(call compare-symbol-tables, $(dot-target).2.o, $(dot-target).3.o); \ - else \ - ln -sf $(dot-target).2.o $(dot-target).3.o; \ - fi - $(LD) $(XEN_LDFLAGS) -T $(obj)/xen.lds $< $(build_id_linker) \ - $(dot-target).3.o -o $@ - $(NM) -pa --format=sysv $@ \ - | $(objtree)/tools/symbols --all-symbols --xensyms --sysv --sort \ - > $@.map - rm -f $(dot-target).[0-9]* $(@D)/..$(@F).[0-9]* +LAST_LINKING_PASS := 3 + +include scripts/Makefile.link + +# Suppress orphan section checking for the time being. +orphan-handling-y := $(obj)/xen.lds: $(src)/xen.lds.S FORCE $(call if_changed_dep,cpp_lds_S)