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* scripts/gdb: provide linux constantsKieran Bingham2016-05-241-0/+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 <kieran.bingham@linaro.org> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Cc: Michal Marek <mmarek@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* time: Remove development rules from Kbuild/MakefileThomas Gleixner2015-07-011-1/+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 <sboyd@codeaurora.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Nicholas Mc Guire <der.herr@hofr.at>
* time: Move timeconst.h into include/generatedNicholas Mc Guire2015-05-191-7/+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 <hofrat@osadl.org> Cc: Masahiro Yamada <yamada.m@jp.panasonic.com> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Joe Perches <joe@perches.com> Cc: John Stultz <john.stultz@linaro.org> Cc: Andrew Hunter <ahh@google.com> Cc: Paul Turner <pjt@google.com> Cc: Michal Marek <mmarek@suse.cz> Link: http://lkml.kernel.org/r/1431951554-5563-1-git-send-email-hofrat@osadl.org Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* kbuild: do not add $(bounds-file) and $(offsets-file) to targetsMasahiro Yamada2015-04-021-2/+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 <yamada.masahiro@socionext.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
* kbuild: Don't reset timestamps in include/generated if not neededMichal Marek2015-03-241-9/+9
| | | | | | | | | | Use filechk to generate asm-offsets.h and bounds.h. Based on a patch by Valdis Kletnieks. Reported-by: Valdis Kletnieks <Valdis.Kletnieks@vt.edu> Acked-By: Valdis Kletnieks <Valdis.Kletnieks@vt.edu> Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
* kbuild: remove redundant line from bounds.h/asm-offsets.hMasahiro Yamada2015-01-051-1/+0
| | | | | | | | This line produces an extra comment line for bounds.h and asm-offsets.h. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
* kbuild: merge bounds.h and asm-offsets.h rulesMasahiro Yamada2015-01-051-39/+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 <yamada.m@jp.panasonic.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
* kbuild: Fix missing system calls check on mips.David Daney2011-11-091-1/+1
| | | | | | | | | Commit 5f7efb4 (Kbuild: append missing-syscalls to the default target list) broke MIPS build. Reported-tested-and-acked-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: David Daney <david.daney@cavium.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
* Kbuild: append missing-syscalls to the default target listArnaud Lacombe2011-11-021-2/+4
| | | | | | | This avoid an extra make invocation on `prepare0'. Signed-off-by: Arnaud Lacombe <lacombar@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
* Merge branch 'kbuild' of ↵Linus Torvalds2010-10-291-2/+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
| * kbuild: Really don't clean bounds.h and asm-offsets.hMichal Marek2010-03-111-2/+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 <mmarek@suse.cz>
* | Partially revert patch that encloses asm-offset.h numbers in bracketsDavid Howells2010-10-271-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Partially revert patch: commit 3234282f33b29d349bcada40204fc7c8fda7fe72 Author: Jan Beulich <JBeulich@novell.com> 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 <jbeulich@novell.com> cc: Alexander van Heukelum <heukelum@fastmail.fm> cc: H. Peter Anvin <hpa@linux.intel.com> cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: David Howells <dhowells@redhat.com>
* | x86, asm: Fix ancient-GAS workaroundAlexander van Heukelum2010-10-221-1/+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 <mingo@elte.hu> Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Acked-by: Jan Beulich <jbeulich@novell.com> LKML-Reference: <1287696649.20421.1401306095@webmail.messagingengine.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | x86, asm: Fix CFI macro invocations to deal with shortcomings in gasJan Beulich2010-10-191-1/+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 <jbeulich@novell.com> LKML-Reference: <4CBDBEBA020000780001E05A@vpn.id2.novell.com> Cc: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
* kbuild: move asm-offsets.h to include/generatedSam Ravnborg2009-12-121-1/+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/$ARCH/include/asm/asm-offsets.h file. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Michal Marek <mmarek@suse.cz>
* kbuild: move bounds.h to include/generatedSam Ravnborg2009-12-121-1/+1
| | | | | | Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Michal Marek <mmarek@suse.cz>
* kbuild: asm symlink support for arch/$ARCH/includeSam Ravnborg2008-07-251-2/+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 <sam@ravnborg.org>
* Don't clean bounds.h and asm-offsets.hJan Blunck2008-05-191-2/+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 <jblunck@suse.de> Signed-off-by: Sam Ravnborg <sam@ravnborg.org> --
* pageflags: standardize comment inclusion in asm-offsets.h and fix MIPSChristoph Lameter2008-04-281-3/+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 <ralf@linux-mips.org> Signed-off-by: Christoph Lameter <clameter@sgi.com> Cc: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* kbuild: create a way to create preprocessor constants from C expressionsChristoph Lameter2008-04-281-8/+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 <sam@ravnborg.org> Signed-off-by: Christoph Lameter <clameter@sgi.com> Cc: Andy Whitcroft <apw@shadowen.org> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Rik van Riel <riel@redhat.com> Cc: Mel Gorman <mel@csn.ul.ie> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* i386/x86_64: move headers to include/asm-x86Thomas Gleixner2007-10-111-1/+1
| | | | | | | | Move the headers to include/asm-x86 and fixup the header install make rules Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* Kbuild: allow arch/xxx to use a different source pathThomas Gleixner2007-10-111-3/+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 <tglx@linutronix.de>
* kbuild: asm-offsets.h is now cleaned with O=.. buildsSam Ravnborg2007-07-161-0/+1
| | | | | | | Reported by: "Robert P. J. Day" <rpjday@mindspring.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: "Robert P. J. Day" <rpjday@mindspring.com>
* kbuild: complain about missing system callsSam Ravnborg2007-05-021-0/+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 <rmk+lkml@arm.linux.org.uk> and Stéphane Jourdois <kwisatz@rubis.org> Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* remove RPM_BUILD_ROOT from asm-offsets.hOlaf Hering2006-09-251-1/+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 <olh@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* kbuild: mips: fix sed regexp to generate asm-offset.hAtsushi Nemoto2006-04-051-1/+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 <anemo@mba.ocn.ne.jp> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* kbuild: clean up asm-offsets.h creationBrian Gerst2006-01-081-3/+2
| | | | | | | | - Move mkdir out of cmd_offsets - Add input file to sed command instead of using cat Signed-off-by: Brian Gerst <bgerst@didntduck.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* kbuild: fix generic asm-offsets.h supportSam Ravnborg2005-09-101-2/+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 <sfr@canb.auug.org.au> for the report. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* kbuild: mips use generic asm-offsets.h supportSam Ravnborg2005-09-091-1/+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 <sam@ravnborg.org>
* kbuild: full dependency check on asm-offsets.hSam Ravnborg2005-09-091-0/+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 <sam@ravnborg.org>
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