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2016-05-23scripts/gdb: provide linux constantsKieran Bingham1-0/+10
Some macro's and defines are needed when parsing memory, and without compiling the kernel as -g3 they are not available in the debug-symbols. We use the pre-processor here to extract constants to a dedicated module for the linux debugger extensions Top level Kbuild is used to call in and generate the constants file, while maintaining dependencies on autogenerated files in include/generated Link: http://lkml.kernel.org/r/bc3df9c25f57ea72177c066a51a446fc19e2c27f.1462865983.git.jan.kiszka@siemens.com Signed-off-by: Kieran Bingham <[email protected]> Signed-off-by: Jan Kiszka <[email protected]> Cc: Michal Marek <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2015-07-01time: Remove development rules from Kbuild/MakefileThomas Gleixner1-1/+0
time.o gets rebuilt unconditionally due to a leftover Makefile rule which was placed there for development purposes. Remove it along with the commented out always rule in the toplevel Kbuild file. Fixes: 0a227985d4a9 'time: Move timeconst.h into include/generated' Reported-by; Stephen Boyd <[email protected]> Signed-off-by: Thomas Gleixner <[email protected]> Cc: Nicholas Mc Guire <[email protected]>
2015-05-19time: Move timeconst.h into include/generatedNicholas Mc Guire1-7/+27
kernel/time/timeconst.h is moved to include/generated/ and generated by the top level Kbuild. This allows using timeconst.h in an earlier build stage. Signed-off-by: Nicholas Mc Guire <[email protected]> Cc: Masahiro Yamada <[email protected]> Cc: Sam Ravnborg <[email protected]> Cc: Joe Perches <[email protected]> Cc: John Stultz <[email protected]> Cc: Andrew Hunter <[email protected]> Cc: Paul Turner <[email protected]> Cc: Michal Marek <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Thomas Gleixner <[email protected]>
2015-04-02kbuild: do not add $(bounds-file) and $(offsets-file) to targetsMasahiro Yamada1-2/+1
$(always) is added to targets by scripts/Makefile.build. Moreover, filechk does not need .*.cmd files. Adding these two files to targets is redundant. Signed-off-by: Masahiro Yamada <[email protected]> Signed-off-by: Michal Marek <[email protected]>
2015-03-24kbuild: Don't reset timestamps in include/generated if not neededMichal Marek1-9/+9
Use filechk to generate asm-offsets.h and bounds.h. Based on a patch by Valdis Kletnieks. Reported-by: Valdis Kletnieks <[email protected]> Acked-By: Valdis Kletnieks <[email protected]> Reviewed-by: Masahiro Yamada <[email protected]> Signed-off-by: Michal Marek <[email protected]>
2015-01-05kbuild: remove redundant line from bounds.h/asm-offsets.hMasahiro Yamada1-1/+0
This line produces an extra comment line for bounds.h and asm-offsets.h. Signed-off-by: Masahiro Yamada <[email protected]> Signed-off-by: Michal Marek <[email protected]>
2015-01-05kbuild: merge bounds.h and asm-offsets.h rulesMasahiro Yamada1-39/+21
The rules "cmd_bounds" and "cmd_offsets" are almost the same. (The difference is only the include guards.) They can be merged. Signed-off-by: Masahiro Yamada <[email protected]> Signed-off-by: Michal Marek <[email protected]>
2011-11-09kbuild: Fix missing system calls check on mips.David Daney1-1/+1
Commit 5f7efb4 (Kbuild: append missing-syscalls to the default target list) broke MIPS build. Reported-tested-and-acked-by: Ralf Baechle <[email protected]> Signed-off-by: David Daney <[email protected]> Signed-off-by: Michal Marek <[email protected]>
2011-11-02Kbuild: append missing-syscalls to the default target listArnaud Lacombe1-2/+4
This avoid an extra make invocation on `prepare0'. Signed-off-by: Arnaud Lacombe <[email protected]> Signed-off-by: Michal Marek <[email protected]>
2010-10-28Merge branch 'kbuild' of ↵Linus Torvalds1-2/+2
git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 * 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6: initramfs: Fix build break on symbol-prefixed archs initramfs: fix initramfs size calculation initramfs: generalize initramfs_data.xxx.S variants scripts/kallsyms: Enable error messages while hush up unnecessary warnings scripts/setlocalversion: update comment kbuild: Use a single clean rule for kernel and external modules kbuild: Do not run make clean in $(srctree) scripts/mod/modpost.c: fix commentary accordingly to last changes kbuild: Really don't clean bounds.h and asm-offsets.h
2010-10-27Partially revert patch that encloses asm-offset.h numbers in bracketsDavid Howells1-1/+1
Partially revert patch: commit 3234282f33b29d349bcada40204fc7c8fda7fe72 Author: Jan Beulich <[email protected]> Date: Tue Oct 19 14:52:26 2010 +0100 x86, asm: Fix CFI macro invocations to deal with shortcomings in gas This breaks MN10300 arch as this changes many instances of instructions similar to the following: MOV number,D0 which represents an immediate value load into: MOV (number),D0 which the assembler then interprets as a load from absolute address. arch/mn10300/kernel/entry.S:64: Error: Invalid opcode/operands arch/mn10300/kernel/entry.S:65: Error: junk at end of line, first unrecognized character is `0' arch/mn10300/kernel/entry.S:74: Error: Invalid opcode/operands arch/mn10300/kernel/entry.S:74: Error: junk at end of line, first unrecognized character is `1' arch/mn10300/kernel/entry.S:75: Error: Invalid opcode/operands arch/mn10300/kernel/entry.S:76: Error: junk at end of line, first unrecognized character is `0' cc: Jan Beulich <[email protected]> cc: Alexander van Heukelum <[email protected]> cc: H. Peter Anvin <[email protected]> cc: Ingo Molnar <[email protected]> Signed-off-by: David Howells <[email protected]>
2010-10-22x86, asm: Fix ancient-GAS workaroundAlexander van Heukelum1-1/+2
It turns out to generate something like this: printk ( ("<3>") "something"); The extra parentheses here break the UML compile. Change the sed-program to add the parentheses only for numbers. Reported-by: Ingo Molnar <[email protected]> Signed-off-by: Alexander van Heukelum <[email protected]> Acked-by: Jan Beulich <[email protected]> LKML-Reference: <[email protected]> Signed-off-by: Ingo Molnar <[email protected]>
2010-10-19x86, asm: Fix CFI macro invocations to deal with shortcomings in gasJan Beulich1-1/+1
gas prior to (perhaps) 2.16.90 has problems with passing non- parenthesized expressions containing spaces to macros. Spaces, however, get inserted by cpp between any macro expanding to a number and a subsequent + or -. For the +, current x86 gas then removes the space again (future gas may not do so), but for the - the space gets retained and is then considered a separator between macro arguments. Fix the respective definitions for both the - and + cases, so that they neither contain spaces nor make cpp insert any (the latter by adding seemingly redundant parentheses). Signed-off-by: Jan Beulich <[email protected]> LKML-Reference: <[email protected]> Cc: Alexander van Heukelum <[email protected]> Signed-off-by: H. Peter Anvin <[email protected]>
2010-03-11kbuild: Really don't clean bounds.h and asm-offsets.hMichal Marek1-2/+2
Commit 7d3cc8b tried to keep bounds.h and asm-offsets.h during make clean by filtering these out of $(clean-files), but they are listed in $(targets) and $(always) and thus removed automatically. Introduce a new $(no-clean-files) variable to really skip such files in Makefile.clean. Signed-off-by: Michal Marek <[email protected]>
2009-12-12kbuild: move asm-offsets.h to include/generatedSam Ravnborg1-1/+1
The simplest method was to add an extra asm-offsets.h file in arch/$ARCH/include/asm that references the generated file. We can now migrate the architectures one-by-one to reference the generated file direct - and when done we can delete the temporary arch/$ARCH/include/asm/asm-offsets.h file. Signed-off-by: Sam Ravnborg <[email protected]> Cc: Al Viro <[email protected]> Signed-off-by: Michal Marek <[email protected]>
2009-12-12kbuild: move bounds.h to include/generatedSam Ravnborg1-1/+1
Signed-off-by: Sam Ravnborg <[email protected]> Cc: Al Viro <[email protected]> Signed-off-by: Michal Marek <[email protected]>
2008-07-25kbuild: asm symlink support for arch/$ARCH/includeSam Ravnborg1-2/+1
Adjust the asm symlink support so we do not create the symlink unless really needed. We check the precense of include/asm-$ARCH by checking for the system.h file. We may end up with a stale directory so it is not enough to check if the directory is present. Signed-off-by: Sam Ravnborg <[email protected]>
2008-05-19Don't clean bounds.h and asm-offsets.hJan Blunck1-2/+1
Since 97965478a66fbdf0f4ad5e4ecc4828f0cb548a45 ("mm: Get rid of __ZONE_COUNT") mmzone.h includes bounds.h. Calling make clean after make prepare removes bounds.h again so when building external modules this fails. Signed-off-by: Jan Blunck <[email protected]> Signed-off-by: Sam Ravnborg <[email protected]> --
2008-04-28pageflags: standardize comment inclusion in asm-offsets.h and fix MIPSChristoph Lameter1-3/+3
Add the ability to pass comments into asm-offsets.h by generating asm output like -># comment line Mips needs this feature to preserve the comments that are in asm-mips/asm-offsets.h right now. Then remove the special handling for mips from Kbuild and convert mips to use the new string to include the comments. Cc: Ralf Baechle <[email protected]> Signed-off-by: Christoph Lameter <[email protected]> Cc: Sam Ravnborg <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2008-04-28kbuild: create a way to create preprocessor constants from C expressionsChristoph Lameter1-8/+48
The use of enums create constants that are not available to the preprocessor when building the kernel (f.e. MAX_NR_ZONES). Arch code already has a way to export constants calculated to the preprocessor through the asm-offsets.c file. Generate something similar for the core kernel through kbuild. Signed-off-by: Sam Ravnborg <[email protected]> Signed-off-by: Christoph Lameter <[email protected]> Cc: Andy Whitcroft <[email protected]> Cc: KAMEZAWA Hiroyuki <[email protected]> Cc: KOSAKI Motohiro <[email protected]> Cc: Rik van Riel <[email protected]> Cc: Mel Gorman <[email protected]> Cc: Jeremy Fitzhardinge <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2007-10-11i386/x86_64: move headers to include/asm-x86Thomas Gleixner1-1/+1
Move the headers to include/asm-x86 and fixup the header install make rules Signed-off-by: Thomas Gleixner <[email protected]> Signed-off-by: Ingo Molnar <[email protected]>
2007-10-11Kbuild: allow arch/xxx to use a different source pathThomas Gleixner1-3/+3
Preparatory patch for the source merge of arch/i386 and arch/x86_64 into arch/x86. This allows to keep the original arch directories as stubs for the main Makefiles, Kconfigs et. al during the transition phase while having the code in the new arch/x86 directory. Signed-off-by: Thomas Gleixner <[email protected]>
2007-07-16kbuild: asm-offsets.h is now cleaned with O=.. buildsSam Ravnborg1-0/+1
Reported by: "Robert P. J. Day" <[email protected]> Signed-off-by: Sam Ravnborg <[email protected]> Cc: "Robert P. J. Day" <[email protected]>
2007-05-02kbuild: complain about missing system callsSam Ravnborg1-0/+11
Most system calls seems to get added to i386 first. This patch automatically generates a warning for any new system call which is implemented on i386 but not the architecture currently being compiled. On PowerPC at the moment, for example, it results in these warnings: init/missing_syscalls.h:935:3: warning: #warning syscall sync_file_range not implemented init/missing_syscalls.h:947:3: warning: #warning syscall getcpu not implemented init/missing_syscalls.h:950:3: warning: #warning syscall epoll_pwait not implemented The file scripts/checksyscalls.sh list a number of legacy system calls that are ignored because they only makes sense on i386 systems. Other contributors to this patch are Russell King <[email protected]> and Stéphane Jourdois <[email protected]> Signed-off-by: David Woodhouse <[email protected]> Signed-off-by: Sam Ravnborg <[email protected]>
2006-09-25remove RPM_BUILD_ROOT from asm-offsets.hOlaf Hering1-1/+1
No file in rpm binary package should have the RPM_BUILD_ROOT string in it. To simplify building of external modules, our kernel-source package contains some temp files from the Kbuild system. asm/asm-offsets.h is one of the files that contains the absolute path if make O=$O is used. * This file was generated by /var/tmp/kernel-source-2.6.14_rc4-build/usr/src/linux-2.6.14-rc4-2/Kbuild Remove the $RPM_BUILD_ROOT string in the shipped tempfile. Signed-off-by: Olaf Hering <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Sam Ravnborg <[email protected]>
2006-04-05kbuild: mips: fix sed regexp to generate asm-offset.hAtsushi Nemoto1-1/+1
Changes to Makefile.kbuild ("kbuild: add -fverbose-asm to i386 Makefile") breaks asm-offset.h file on MIPS. Other archs possibly suffer this change too but I'm not sure. Here is a fix just for MIPS. Signed-off-by: Atsushi Nemoto <[email protected]> Signed-off-by: Sam Ravnborg <[email protected]>
2006-01-08kbuild: clean up asm-offsets.h creationBrian Gerst1-3/+2
- Move mkdir out of cmd_offsets - Add input file to sed command instead of using cat Signed-off-by: Brian Gerst <[email protected]> Signed-off-by: Sam Ravnborg <[email protected]>
2005-09-10kbuild: fix generic asm-offsets.h supportSam Ravnborg1-2/+3
iThis fixes a bug where the generated asm-offsets.h file was saved in the source tree even with make O=. Thanks to Stephen Rothwell <[email protected]> for the report. Signed-off-by: Sam Ravnborg <[email protected]>
2005-09-09kbuild: mips use generic asm-offsets.h supportSam Ravnborg1-1/+8
Removed obsolete stuff from arch makefile. mips had a special rule for generating asm-offsets.h so preserved it using an architecture specific hook in top-level Kbuild file. Renamed .h file to asm-offsets.h Signed-off-by: Sam Ravnborg <[email protected]>
2005-09-09kbuild: full dependency check on asm-offsets.hSam Ravnborg1-0/+41
Building asm-offsets.h has been moved to a seperate Kbuild file located in the top-level directory. This allow us to share the functionality across the architectures. The old rules in architecture specific Makefiles will die in subsequent patches. Furhtermore the usual kbuild dependency tracking is now used when deciding to rebuild asm-offsets.s. So we no longer risk to fail a rebuild caused by asm-offsets.c dependencies being touched. With this common rule-set we now force the same name across all architectures. Following patches will fix the rest. Signed-off-by: Sam Ravnborg <[email protected]>
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