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A new option is added to the relocs tool called '--realmode'. This option causes the generation of 16-bit segment relocations and 32-bit linear relocations for the real-mode code. When the real-mode code is moved to the low-memory during kernel initialization, these relocation entries can be used to relocate the code properly. In the assembly code 16-bit segment relocations must be relative to the 'real_mode_seg' absolute symbol. Linear relocations must be relative to a symbol prefixed with 'pa_'. 16-bit segment relocation is used to load cs:ip in 16-bit code. Linear relocations are used in the 32-bit code for relocatable data references. They are declared in the linker script of the real-mode code. The relocs tool is moved to arch/x86/tools/relocs.c, and added new target archscripts that can be used to build scripts needed building an architecture. be compiled before building the arch/x86 tree. [ hpa: accelerating this because it detects invalid absolute relocations, a serious bug in binutils 2.22.52.0.x which currently produces bad kernels. ] Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> Link: http://lkml.kernel.org/r/1336501366-28617-2-git-send-email-jarkko.sakkinen@intel.com Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@intel.com> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> Cc: <stable@vger.kernel.org> |
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basic | ||
coccinelle | ||
dtc | ||
genksyms | ||
kconfig | ||
ksymoops | ||
mod | ||
package | ||
rt-tester | ||
selinux | ||
tracing | ||
.gitignore | ||
bin2c.c | ||
bloat-o-meter | ||
bootgraph.pl | ||
checkincludes.pl | ||
checkkconfigsymbols.sh | ||
checkpatch.pl | ||
checkstack.pl | ||
checksyscalls.sh | ||
checkversion.pl | ||
cleanfile | ||
cleanpatch | ||
coccicheck | ||
config | ||
conmakehash.c | ||
decodecode | ||
depmod.sh | ||
diffconfig | ||
docproc.c | ||
export_report.pl | ||
extract-ikconfig | ||
extract-vmlinux | ||
gcc-goto.sh | ||
gcc-version.sh | ||
gcc-x86_32-has-stack-protector.sh | ||
gcc-x86_64-has-stack-protector.sh | ||
gen_initramfs_list.sh | ||
get_maintainer.pl | ||
gfp-translate | ||
headerdep.pl | ||
headers_check.pl | ||
headers_install.pl | ||
headers.sh | ||
kallsyms.c | ||
Kbuild.include | ||
kernel-doc | ||
Lindent | ||
Makefile | ||
Makefile.asm-generic | ||
Makefile.build | ||
Makefile.clean | ||
Makefile.fwinst | ||
Makefile.headersinst | ||
Makefile.help | ||
Makefile.host | ||
Makefile.lib | ||
Makefile.modbuiltin | ||
Makefile.modinst | ||
Makefile.modpost | ||
makelst | ||
markup_oops.pl | ||
mkcompile_h | ||
mkmakefile | ||
mksysmap | ||
mkuboot.sh | ||
mkversion | ||
module-common.lds | ||
namespace.pl | ||
patch-kernel | ||
pnmtologo.c | ||
profile2linkerlist.pl | ||
recordmcount.c | ||
recordmcount.h | ||
recordmcount.pl | ||
setlocalversion | ||
show_delta | ||
tags.sh | ||
unifdef.c | ||
ver_linux | ||
xz_wrap.sh |