Commit-ID: 17c961f7702ff6037b66bb2e5f3ddd58de4ce7e5 Gitweb: http://git.kernel.org/tip/17c961f7702ff6037b66bb2e5f3ddd58de4ce7e5 Author: Kees Cook <keesc...@chromium.org> AuthorDate: Fri, 12 Apr 2013 13:13:45 -0700 Committer: H. Peter Anvin <h...@linux.intel.com> CommitDate: Tue, 16 Apr 2013 15:22:01 -0700
x86, relocs: Build separate 32/64-bit tools Since the ELF structures and access macros change size based on 32 vs 64 bits, build a separate 32-bit relocs tool (for handling realmode and 32-bit relocations), and a 64-bit relocs tool (for handling 64-bit kernel relocations). Signed-off-by: Kees Cook <keesc...@chromium.org> Link: http://lkml.kernel.org/r/1365797627-20874-5-git-send-email-keesc...@chromium.org Signed-off-by: H. Peter Anvin <h...@linux.intel.com> --- arch/x86/boot/compressed/Makefile | 2 +- arch/x86/realmode/rm/Makefile | 2 +- arch/x86/tools/.gitignore | 3 ++- arch/x86/tools/Makefile | 20 ++++++++++++++++++-- 4 files changed, 22 insertions(+), 5 deletions(-) diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile index 5ef205c..0dac175 100644 --- a/arch/x86/boot/compressed/Makefile +++ b/arch/x86/boot/compressed/Makefile @@ -44,7 +44,7 @@ $(obj)/vmlinux.bin: vmlinux FORCE targets += $(patsubst $(obj)/%,%,$(VMLINUX_OBJS)) vmlinux.bin.all vmlinux.relocs -CMD_RELOCS = arch/x86/tools/relocs +CMD_RELOCS = arch/x86/tools/relocs_$(BITS) quiet_cmd_relocs = RELOCS $@ cmd_relocs = $(CMD_RELOCS) $< > $@;$(CMD_RELOCS) --abs-relocs $< $(obj)/vmlinux.relocs: vmlinux FORCE diff --git a/arch/x86/realmode/rm/Makefile b/arch/x86/realmode/rm/Makefile index 8869287..2b1e429 100644 --- a/arch/x86/realmode/rm/Makefile +++ b/arch/x86/realmode/rm/Makefile @@ -56,7 +56,7 @@ $(obj)/realmode.bin: $(obj)/realmode.elf $(obj)/realmode.relocs $(call if_changed,objcopy) quiet_cmd_relocs = RELOCS $@ - cmd_relocs = arch/x86/tools/relocs --realmode $< > $@ + cmd_relocs = arch/x86/tools/relocs_32 --realmode $< > $@ targets += realmode.relocs $(obj)/realmode.relocs: $(obj)/realmode.elf FORCE diff --git a/arch/x86/tools/.gitignore b/arch/x86/tools/.gitignore index be0ed06..2b45d5f 100644 --- a/arch/x86/tools/.gitignore +++ b/arch/x86/tools/.gitignore @@ -1 +1,2 @@ -relocs +relocs_32* +relocs_64* diff --git a/arch/x86/tools/Makefile b/arch/x86/tools/Makefile index bae601f..a8cb70c 100644 --- a/arch/x86/tools/Makefile +++ b/arch/x86/tools/Makefile @@ -37,6 +37,22 @@ $(obj)/test_get_len.o: $(srctree)/arch/x86/lib/insn.c $(srctree)/arch/x86/lib/in $(obj)/insn_sanity.o: $(srctree)/arch/x86/lib/insn.c $(srctree)/arch/x86/lib/inat.c $(srctree)/arch/x86/include/asm/inat_types.h $(srctree)/arch/x86/include/asm/inat.h $(srctree)/arch/x86/include/asm/insn.h $(objtree)/arch/x86/lib/inat-tables.c +HOSTCFLAGS_relocs_32.o += -DELF_BITS=32 +HOSTCFLAGS_relocs_64.o += -DELF_BITS=64 + +quiet_cmd_cp_reloc = GEN $@ + cmd_cp_reloc = cp $< $@ + +$(obj)/relocs_%.c: $(srctree)/arch/x86/tools/relocs.c + $(call cmd,cp_reloc) + HOST_EXTRACFLAGS += -I$(srctree)/tools/include -hostprogs-y += relocs -relocs: $(obj)/relocs +hostprogs-y += relocs_$(BITS) +relocs_binaries = relocs_$(BITS) +ifeq ($(CONFIG_64BIT),y) + hostprogs-y += relocs_32 + relocs_binaries += relocs_32 +endif +relocs: $(relocs_binaries) +relocs_32: $(obj)/relocs_32 +relocs_64: $(obj)/relocs_64 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
