From d27579a273d62cdb9436b7f1e5f7e247e987389c Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Sat, 5 May 2012 10:18:42 +0200 Subject: kbuild: document KBUILD_LDS, KBUILD_VMLINUX_{INIT,MAIN} and LDFLAGS_vmlinux Newly exported variables - used by link-vmlinux.sh Signed-off-by: Sam Ravnborg Signed-off-by: Michal Marek --- Documentation/kbuild/kbuild.txt | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'Documentation/kbuild/kbuild.txt') diff --git a/Documentation/kbuild/kbuild.txt b/Documentation/kbuild/kbuild.txt index 68e32bb6bd80..6466704d47b5 100644 --- a/Documentation/kbuild/kbuild.txt +++ b/Documentation/kbuild/kbuild.txt @@ -50,6 +50,10 @@ LDFLAGS_MODULE -------------------------------------------------- Additional options used for $(LD) when linking modules. +LDFLAGS_vmlinux +-------------------------------------------------- +Additional options passed to final link of vmlinux. + KBUILD_VERBOSE -------------------------------------------------- Set the kbuild verbosity. Can be assigned same values as "V=...". @@ -214,3 +218,18 @@ KBUILD_BUILD_USER, KBUILD_BUILD_HOST These two variables allow to override the user@host string displayed during boot and in /proc/version. The default value is the output of the commands whoami and host, respectively. + +KBUILD_LDS +-------------------------------------------------- +The linker script with full path. Assigned by the top-level Makefile. + +KBUILD_VMLINUX_INIT +-------------------------------------------------- +All object files for the init (first) part of vmlinux. +Files specified with KBUILD_VMLINUX_INIT are linked first. + +KBUILD_VMLINUX_MAIN +-------------------------------------------------- +All object files for the main part of vmlinux. +KBUILD_VMLINUX_INIT and KBUILD_VMLINUX_MAIN together specify +all the object files used to link vmlinux. -- cgit v1.2.3