Uwe Kleine-König de66a97901 ARM: 7187/1: fix unwinding for XIP kernels ... The linker places the unwind tables in readonly sections. So when using an XIP kernel these are located in ROM and cannot be modified. For that reason the current approach to convert the relative offsets in the unwind index to absolute addresses early in the boot process doesn't work with XIP. The offsets in the unwind index section are signed 31 bit numbers and the structs are sorted by this offset. So it first has offsets between 0x40000000 and 0x7fffffff (i.e. the negative offsets) and then offsets between 0x00000000 and 0x3fffffff. When seperating these two blocks the numbers are sorted even when interpreting the offsets as unsigned longs. So determine the first non-negative entry once and track that using the new origin pointer. The actual bisection can then use a plain unsigned long comparison. The only thing that makes the new bisection more complicated is that the offsets are relative to their position in the index section, so the key to search needs to be adapted accordingly in each step. Moreover several consts are added to catch future writes and rename the member "addr" of struct unwind_idx to "addr_offset" to better match the new semantic. (This has the additional benefit of breaking eventual users at compile time to make them aware of the change.) In my tests the new algorithm was a tad faster than the original and has the additional upside of not needing the initial conversion and so saves some boot time and it's possible to unwind even earlier. Acked-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Nicolas Pitre <nico@fluxnic.net> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>		2011-12-06 11:16:13 +00:00
..
hardware	ARM: 7156/1: l2x0: fix compile error on !CONFIG_USE_OF	2011-11-12 11:32:34 +00:00
mach	ARM: 7155/1: arch.h: Declare 'pt_regs' locally	2011-11-09 21:53:36 +00:00
Kbuild	ARM: 7006/1: Migrate to asm-generic wrapper support	2011-10-17 09:12:40 +01:00
a.out-core.h	ARM: 6798/1: aout-core: zero thread debug registers in a.out core dump	2011-03-10 15:16:29 +00:00
a.out.h	…
asm-offsets.h	kbuild: move asm-offsets.h to include/generated	2009-12-12 13:08:14 +01:00
assembler.h	ARM: assembler.h: Add string declaration macro	2011-07-07 15:31:05 +01:00
atomic.h	atomic: cleanup asm-generic atomic*.h inclusion	2011-07-26 16:49:47 -07:00
bitops.h	asm-generic: add another generic ext2 atomic bitops	2011-07-26 16:49:46 -07:00
bug.h	ARM: 7017/1: Use generic BUG() handler	2011-10-17 09:13:41 +01:00
bugs.h	…
byteorder.h	…
cache.h	ARM: implement support for read-mostly sections	2010-12-05 08:39:36 +00:00
cacheflush.h	Merge branch 'v6v7' into devel	2011-03-16 23:35:26 +00:00
cachetype.h	ARM: 7062/1: cache: detect PIPT I-cache using CTR	2011-10-17 09:13:41 +01:00
checksum.h	…
clkdev.h	ARM: Consolidate the clkdev header files	2011-07-19 18:09:45 +02:00
cpu.h	ARM: 5872/1: ARM: include needed linux/cpu.h in asm/cpu.h	2010-01-10 13:03:52 +00:00
cputype.h	ARM: 7011/1: Add ARM cpu topology definition	2011-10-17 09:02:43 +01:00
current.h	…
delay.h	…
device.h	Merge branch 'next/cleanup' of git://git.linaro.org/people/arnd/arm-soc	2011-11-01 20:11:00 -07:00
div64.h	…
dma-mapping.h	Merge branch 'devel-stable' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm	2011-10-28 12:02:27 -07:00
dma.h	locking, ARM: Annotate low level hw locks as raw	2011-09-13 11:12:14 +02:00
domain.h	ARM: 6384/1: Remove the domain switching on ARMv6k/v7 CPUs	2010-11-04 15:44:31 +00:00
ecard.h	ARM: io: ecard: move ioaddr() inside __ecard_address	2011-08-17 08:44:16 +01:00
elf.h	ARM: 6883/1: ptrace: Migrate to regsets framework	2011-05-14 21:36:55 +01:00
entry-macro-multi.S	ARM: gic: consolidate PPI handling	2011-10-23 13:32:29 +01:00
entry-macro-vic2.S	ARM: Add common entry code for system with two VICs	2010-01-15 17:10:14 +09:00
exception.h	ARM: 7115/4: move __exception and friends to asm/exception.h	2011-10-17 09:02:44 +01:00
fb.h	…
fcntl.h	…
fiq.h	ARM: 6940/1: fiq: Briefly document driver responsibilities for suspend/resume	2011-05-26 10:31:06 +01:00
fixmap.h	[ARM] fixmap support	2009-03-15 21:01:20 -04:00
flat.h	flat: fix data sections alignment	2009-05-29 08:40:02 -07:00
floppy.h	…
fncpy.h	ARM: 6640/1: Thumb-2: Symbol manipulation macros for function body copying	2011-01-27 11:48:58 +00:00
fpstate.h	Fix common misspellings	2011-03-31 11:26:23 -03:00
ftrace.h	ARM: 6319/1: ftrace: add Thumb-2 support to dynamic ftrace	2010-09-02 15:28:43 +01:00
futex.h	ARM: 7099/1: futex: preserve oldval in SMP __futex_atomic_op	2011-09-26 12:36:47 +01:00
glue-cache.h	Fix common misspellings	2011-03-31 11:26:23 -03:00
glue-df.h	ARM: move cache/processor/fault glue to separate include files	2011-02-12 11:52:21 +00:00
glue-pf.h	ARM: move cache/processor/fault glue to separate include files	2011-02-12 11:52:21 +00:00
glue-proc.h	Merge branch 'v6v7' into devel	2011-03-16 23:35:26 +00:00
glue.h	Fix common misspellings	2011-03-31 11:26:23 -03:00
gpio.h	ARM: gpio: make trivial GPIOLIB implementation the default	2011-08-12 08:54:19 +01:00
hardirq.h	ARM: gic: consolidate PPI handling	2011-10-23 13:32:29 +01:00
highmem.h	ARM: 6639/1: allow highmem on SMP platforms without h/w TLB ops broadcast	2011-02-23 17:24:17 +00:00
hw_breakpoint.h	ARM: hw_breakpoint: add support for multiple watchpoints	2011-08-31 10:42:48 +01:00
hw_irq.h	arm: dove: Use proper irq accessor functions	2011-03-29 14:47:57 +02:00
hwcap.h	ARM: hwcaps: add new HWCAP defines for ARMv7-A	2011-07-07 19:20:51 +01:00
ide.h	…
io.h	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial	2011-10-25 12:11:02 +02:00
ioctls.h	ioctl: Use asm-generic/ioctls.h on arm (enables termiox)	2010-10-22 10:19:59 -07:00
ipcbuf.h	…
irq.h	ARM: introduce handle_IRQ() not to dump exception stack	2011-07-12 19:42:40 +08:00
irqflags.h	Fix IRQ flag handling naming	2010-10-07 14:08:55 +01:00
kexec.h	[ARM] add machine-specific hook to machine_kexec	2011-03-03 16:26:55 -05:00
kgdb.h	kgdb,arm: fix register dump	2010-10-29 13:14:40 -05:00
kmap_types.h	kdb: core for kgdb back end (2 of 2)	2010-05-20 21:04:21 -05:00
kprobes.h	ARM: kprobes: Extend arch_specific_insn to add pointer to emulated instruction	2011-07-13 17:32:42 +00:00
leds.h	…
limits.h	…
linkage.h	…
localtimer.h	Merge branch 'dt/gic' into next/dt	2011-10-31 14:08:10 +01:00
locks.h	…
mach-types.h	arm: move mach-types to include/generated	2009-12-12 13:08:14 +01:00
mc146818rtc.h	…
memblock.h	ARM: fix memblock breakage	2010-10-27 21:41:39 +01:00
memory.h	ARM: switch from NO_MACH_MEMORY_H to NEED_MACH_MEMORY_H	2011-10-13 12:53:53 -04:00
mman.h	arm: add arch_mmap_check(), get rid of sys_arm_mremap()	2009-12-11 06:34:09 -05:00
mmu.h	locking, ARM: Annotate low level hw locks as raw	2011-09-13 11:12:14 +02:00
mmu_context.h	ARM: add a vma entry for the user accessible vector page	2010-10-01 22:35:19 -04:00
module.h	ARM: 7013/1: P2V: Remove ARM_PATCH_PHYS_VIRT_16BIT	2011-08-13 11:26:40 +01:00
msgbuf.h	…
mtd-xip.h	…
mutex.h	…
nwflash.h	…
outercache.h	ARM: 7114/1: cache-l2x0: add resume entry for l2 in secure mode	2011-10-17 09:11:51 +01:00
page-nommu.h	nommu: Remove the memory_start/end variables from ARM page-nommu.h	2009-07-24 12:35:01 +01:00
page.h	ARM: 7075/1: LPAE: Factor out 2-level page table definitions into separate files	2011-10-06 15:40:05 +01:00
param.h	…
parport.h	…
pci.h	ARM: convert PCI defines to variables	2011-07-12 11:19:29 -05:00
perf_event.h	ARM: perf: add support for the Cortex-A15 PMU	2011-07-07 19:20:53 +01:00
pgalloc.h	ARM: 7076/1: LPAE: Add (pte|pmd)val_t type definitions as u32	2011-10-06 15:40:05 +01:00
pgtable-2level-hwdef.h	ARM: 7077/1: LPAE: Use a mask for physical addresses in page table entries	2011-10-06 15:40:06 +01:00
pgtable-2level-types.h	ARM: 7076/1: LPAE: Add (pte|pmd)val_t type definitions as u32	2011-10-06 15:40:05 +01:00
pgtable-2level.h	ARM: 7075/1: LPAE: Factor out 2-level page table definitions into separate files	2011-10-06 15:40:05 +01:00
pgtable-hwdef.h	ARM: 7075/1: LPAE: Factor out 2-level page table definitions into separate files	2011-10-06 15:40:05 +01:00
pgtable-nommu.h	ARM: 5988/1: pgprot_dmacoherent() for non-mmu builds	2010-03-13 10:48:22 +00:00
pgtable.h	Merge branch 'devel-stable' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm	2011-10-28 12:02:27 -07:00
pmu.h	ARM: PMU: remove pmu_init declaration	2011-11-16 10:06:57 +00:00
posix_types.h	…
proc-fns.h	ARM: pm: convert some assembly to C	2011-09-20 23:33:44 +01:00
processor.h	Merge branch 'misc' into devel	2011-03-16 23:35:25 +00:00
procinfo.h	…
prom.h	irq: add irq_domain translation infrastructure	2011-07-28 01:32:04 -06:00
ptrace.h	ARM: ptrace: Add APSR_MASK definition to ptrace.h	2011-07-13 17:32:43 +00:00
scatterlist.h	ARM: Allow SoCs to enable scatterlist chaining	2011-06-02 11:16:22 +01:00
sched_clock.h	ARM: sched_clock: allow init_sched_clock() to be called early	2011-01-11 16:23:04 +00:00
seccomp.h	ARM: SECCOMP support	2010-10-01 22:32:18 -04:00
segment.h	…
sembuf.h	…
serial.h	…
setup.h	Merge branches 'btc', 'dma', 'entry', 'fixes', 'linker-layout', 'misc', 'mmci', 'suspend' and 'vfp' into for-next	2011-07-22 23:08:48 +01:00
shmbuf.h	…
shmparam.h	…
sigcontext.h	…
signal.h	asm-generic: rename termios.h, signal.h and mman.h	2009-06-11 21:01:52 +02:00
smp.h	ARM: gic: consolidate PPI handling	2011-10-23 13:32:29 +01:00
smp_plat.h	Merge branches 'at91', 'dcache', 'ftrace', 'hwbpt', 'misc', 'mmci', 's3c', 'st-ux' and 'unwind' into devel	2010-10-18 22:34:25 +01:00
smp_scu.h	ARM: pm: add function to set WFI low-power mode for SMP CPUs	2011-02-11 12:29:18 +00:00
smp_twd.h	ARM: gic, local timers: use the request_percpu_irq() interface	2011-10-23 13:32:33 +01:00
socket.h	net: Generalize socket rx gap / receive queue overflow cmsg	2009-10-12 13:26:31 -07:00
sockios.h	…
sparsemem.h	…
spinlock.h	ARM: 6939/1: fix missing 'cpu_relax()' declaration	2011-05-23 17:19:26 +01:00
spinlock_types.h	locking: Convert raw_rwlock to arch_rwlock	2009-12-14 23:55:32 +01:00
stackprotector.h	ARM: initial stack protector (-fstack-protector) support	2010-06-14 21:31:00 -04:00
stacktrace.h	…
stat.h	…
statfs.h	…
string.h	…
suspend.h	ARM: pm: preallocate a page table for suspend/resume	2011-09-20 23:33:36 +01:00
swab.h	ARM: 5772/1: Use REV and REV16 for byte swapping on ARMv6+	2009-10-25 15:59:53 +00:00
system.h	Merge branch 'misc' into for-linus	2011-10-25 08:19:59 +01:00
tcm.h	ARM: 6985/1: export functions to determine the presence of I/DTCM	2011-07-06 20:49:45 +01:00
termbits.h	tty: Add EXTPROC support for LINEMODE	2010-08-10 13:47:39 -07:00
termios.h	…
therm.h	…
thread_info.h	ARM: SECCOMP support	2010-10-01 22:32:18 -04:00
thread_notify.h	ARM: 6867/1: Introduce THREAD_NOTIFY_COPY for copy_thread() hooks	2011-04-10 21:13:36 +01:00
timex.h	…
tlb.h	arm: mmu_gather rework	2011-05-25 08:39:14 -07:00
tlbflush.h	ARM: 7076/1: LPAE: Add (pte|pmd)val_t type definitions as u32	2011-10-06 15:40:05 +01:00
tls.h	ARM: v6k: select TLS register code according to V6 variants	2011-02-02 21:23:29 +00:00
topology.h	ARM: 7182/1: ARM cpu topology: fix warning	2011-11-30 23:55:21 +00:00
traps.h	ARM: 7004/1: fix traps.h compile warnings	2011-07-22 17:19:02 +01:00
types.h	remove dma64_addr_t	2011-03-23 19:47:18 -07:00
uaccess.h	ARM: 6384/1: Remove the domain switching on ARMv6k/v7 CPUs	2010-11-04 15:44:31 +00:00
ucontext.h	Fix common misspellings	2011-03-31 11:26:23 -03:00
unaligned.h	…
unified.h	Fix "W" macro in arch/arm/include/asm/unified.h	2009-09-18 23:30:11 +01:00
unistd.h	ARM: wire up process_vm_writev and process_vm_readv syscalls	2011-11-17 16:58:00 +00:00
unwind.h	ARM: 7187/1: fix unwinding for XIP kernels	2011-12-06 11:16:13 +00:00
user.h	ARM: 6798/1: aout-core: zero thread debug registers in a.out core dump	2011-03-10 15:16:29 +00:00
vfp.h	…
vfpmacros.h	ARM: 6203/1: Make VFPv3 usable on ARMv6	2010-07-09 14:41:34 +01:00
vga.h	ARM: set vga memory base at run-time	2011-07-12 11:19:29 -05:00
xor.h	…