diff options
| author | Felix Fietkau <nbd@openwrt.org> | 2012-12-02 17:42:17 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2012-12-02 17:42:17 +0000 |
| commit | 24b31c9428706b76be4bdffcc586d7a19fdc4207 (patch) | |
| tree | 2ed63f31d9ccd1751e55ae38f21383c88ad77e2f /include/kernel-build.mk | |
| parent | d38be845f464ac5eaf3e83b307ec9523f959f936 (diff) | |
| download | upstream-24b31c9428706b76be4bdffcc586d7a19fdc4207.tar.gz upstream-24b31c9428706b76be4bdffcc586d7a19fdc4207.tar.bz2 upstream-24b31c9428706b76be4bdffcc586d7a19fdc4207.zip | |
kernel: fix stripping symbol exports
SVN-Revision: 34458
Diffstat (limited to 'include/kernel-build.mk')
| -rw-r--r-- | include/kernel-build.mk | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/include/kernel-build.mk b/include/kernel-build.mk index cf8737c8ee..2ae80e54e2 100644 --- a/include/kernel-build.mk +++ b/include/kernel-build.mk @@ -67,24 +67,40 @@ define BuildKernel $(Kernel/Prepare) touch $$@ - $(KERNEL_BUILD_DIR)/symtab.txt: FORCE + $(KERNEL_BUILD_DIR)/symtab.h: FORCE + rm -f $(KERNEL_BUILD_DIR)/symtab.h + touch $(KERNEL_BUILD_DIR)/symtab.h + +$(MAKE) $(KERNEL_MAKEOPTS) vmlinux find $(LINUX_DIR) $(STAGING_DIR_ROOT)/lib/modules -name \*.ko | \ xargs $(TARGET_CROSS)nm | \ awk '$$$$1 == "U" { print $$$$2 } ' | \ - sort -u > $$@ - - $(KERNEL_BUILD_DIR)/symtab.h: $(KERNEL_BUILD_DIR)/symtab.txt + sort -u > $(KERNEL_BUILD_DIR)/mod_symtab.txt + $(TARGET_CROSS)nm -n $(LINUX_DIR)/vmlinux.o | grep ' r __ksymtab' | sed -e 's,........ r __ksymtab_,,' > $(KERNEL_BUILD_DIR)/kernel_symtab.txt + grep -f $(KERNEL_BUILD_DIR)/mod_symtab.txt $(KERNEL_BUILD_DIR)/kernel_symtab.txt > $(KERNEL_BUILD_DIR)/sym_include.txt + grep -vf $(KERNEL_BUILD_DIR)/mod_symtab.txt $(KERNEL_BUILD_DIR)/kernel_symtab.txt > $(KERNEL_BUILD_DIR)/sym_exclude.txt ( \ echo '#define SYMTAB_KEEP \'; \ - cat $(KERNEL_BUILD_DIR)/symtab.txt | \ + cat $(KERNEL_BUILD_DIR)/sym_include.txt | \ awk '{print "*(__ksymtab." $$$$1 ") \\" }'; \ echo; \ echo '#define SYMTAB_KEEP_GPL \'; \ - cat $(KERNEL_BUILD_DIR)/symtab.txt | \ + cat $(KERNEL_BUILD_DIR)/sym_include.txt | \ awk '{print "*(__ksymtab_gpl." $$$$1 ") \\" }'; \ echo; \ echo '#define SYMTAB_KEEP_STR \'; \ - cat $(KERNEL_BUILD_DIR)/symtab.txt | \ + cat $(KERNEL_BUILD_DIR)/sym_include.txt | \ + awk '{print "*(__ksymtab_strings." $$$$1 ") \\" }'; \ + echo; \ + echo '#define SYMTAB_DISCARD \'; \ + cat $(KERNEL_BUILD_DIR)/sym_exclude.txt | \ + awk '{print "*(__ksymtab." $$$$1 ") \\" }'; \ + echo; \ + echo '#define SYMTAB_DISCARD_GPL \'; \ + cat $(KERNEL_BUILD_DIR)/sym_exclude.txt | \ + awk '{print "*(__ksymtab_gpl." $$$$1 ") \\" }'; \ + echo; \ + echo '#define SYMTAB_DISCARD_STR \'; \ + cat $(KERNEL_BUILD_DIR)/sym_exclude.txt | \ awk '{print "*(__ksymtab_strings." $$$$1 ") \\" }'; \ echo; \ ) > $$@ |