linux-kernel - [PATCH v2 5/6] kbuild: generate modules.builtin.ranges when linking the kernel

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Message-ID: <20240511224035.27775-6-kris.van.hees@oracle.com>
Date: Sat, 11 May 2024 18:40:34 -0400
From: Kris Van Hees <kris.van.hees@...cle.com>
To: linux-kernel@...r.kernel.org, linux-kbuild@...r.kernel.org,
        linux-modules@...r.kernel.org, linux-trace-kernel@...r.kernel.org
Cc: Kris Van Hees <kris.van.hees@...cle.com>,
        Nick Alcock <nick.alcock@...cle.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Luis Chamberlain <mcgrof@...nel.org>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Jiri Olsa <olsajiri@...il.com>,
        Elena Zannoni <elena.zannoni@...cle.com>
Subject: [PATCH v2 5/6] kbuild: generate modules.builtin.ranges when linking the kernel

Signed-off-by: Kris Van Hees <kris.van.hees@...cle.com>
Reviewed-by: Nick Alcock <nick.alcock@...cle.com>
---
Changes since v1:
 - Renamed CONFIG_BUILTIN_RANGES to CONFIG_BUILTIN_MODULE_RANGES
---
 scripts/Makefile.vmlinux | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/scripts/Makefile.vmlinux b/scripts/Makefile.vmlinux
index c9f3e03124d7f..54095d72f7fd7 100644
--- a/scripts/Makefile.vmlinux
+++ b/scripts/Makefile.vmlinux
@@ -36,6 +36,23 @@ targets += vmlinux
 vmlinux: scripts/link-vmlinux.sh vmlinux.o $(KBUILD_LDS) FORCE
 	+$(call if_changed_dep,link_vmlinux)
 
+# module.builtin.ranges
+# ---------------------------------------------------------------------------
+ifdef CONFIG_BUILTIN_MODULE_RANGES
+__default: modules.builtin.ranges
+
+quiet_cmd_modules_builtin_ranges = GEN     $@
+      cmd_modules_builtin_ranges = \
+	$(srctree)/scripts/generate_builtin_ranges.awk \
+	  $(filter-out FORCE,$+) > $@
+
+vmlinux.map: vmlinux
+
+targets += modules.builtin.ranges
+modules.builtin.ranges: modules.builtin.objs vmlinux.map vmlinux.o.map FORCE
+	$(call if_changed,modules_builtin_ranges)
+endif
+
 # Add FORCE to the prequisites of a target to force it to be always rebuilt.
 # ---------------------------------------------------------------------------
 
-- 
2.43.0