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mod/file2alias: make modalias generation safe for cross compiling

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Use the target compiler to compute the offsets for the fields of the
device_id structures, so that it won't be broken by different alignments
between the host and target ABIs.

This also fixes missing endian corrections for some modaliases.

Signed-off-by: Andreas Schwab <schwab@linux-m68k.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
This commit is contained in:
Andreas Schwab
2013-01-20 17:58:47 +01:00
committed by Michal Marek
parent a49f0d1ea3
commit 6543becf26
8 changed files with 590 additions and 367 deletions
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7
scripts/Makefile.modpost
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@@ -66,10 +66,6 @@ modules := $(patsubst %.o,%.ko, $(wildcard $(__modules:.ko=.o)))
# Stop after building .o files if NOFINAL is set. Makes compile tests quicker
_modpost: $(if $(KBUILD_MODPOST_NOFINAL), $(modules:.ko:.o),$(modules))
ifneq ($(KBUILD_BUILDHOST),$(ARCH))
cross_build := 1
endif
# Step 2), invoke modpost
# Includes step 3,4
modpost = scripts/mod/modpost \
@@ -80,8 +76,7 @@ modpost = scripts/mod/modpost \
$(if $(KBUILD_EXTRA_SYMBOLS), $(patsubst %, -e %,$(KBUILD_EXTRA_SYMBOLS))) \
$(if $(KBUILD_EXTMOD),-o $(modulesymfile)) \
$(if $(CONFIG_DEBUG_SECTION_MISMATCH),,-S) \
$(if $(KBUILD_EXTMOD)$(KBUILD_MODPOST_WARN),-w) \
$(if $(cross_build),-c)
$(if $(KBUILD_EXTMOD)$(KBUILD_MODPOST_WARN),-w)
quiet_cmd_modpost = MODPOST $(words $(filter-out vmlinux FORCE, $^)) modules
cmd_modpost = $(modpost) -s