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43fb56589e
In case of BE8 kernel data is in BE order whereas code stays in LE
order. Move sigreturn_codes to separate .S file and use proper
assembler mnemonics for these code snippets. In this case compiler
will take care of proper instructions byteswaps for BE8 case.
Change assumes that sufficiently Thumb-capable tools are used to
build kernel.
Problem was discovered during ltp testing of BE system: all rt_sig*
tests failed. Tested against the same tests in both BE and LE modes.
Signed-off-by: Victor Kamensky <victor.kamensky@linaro.org>
Reviewed-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
(cherry picked from commit 574e2b5111)
Signed-off-by: Victor Kamensky <victor.kamensky@linaro.org>
Conflicts:
arch/arm/kernel/Makefile
92 lines
2.8 KiB
Makefile
92 lines
2.8 KiB
Makefile
#
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# Makefile for the linux kernel.
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#
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CPPFLAGS_vmlinux.lds := -DTEXT_OFFSET=$(TEXT_OFFSET)
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AFLAGS_head.o := -DTEXT_OFFSET=$(TEXT_OFFSET)
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ifdef CONFIG_FUNCTION_TRACER
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CFLAGS_REMOVE_ftrace.o = -pg
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CFLAGS_REMOVE_insn.o = -pg
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CFLAGS_REMOVE_patch.o = -pg
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endif
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CFLAGS_REMOVE_return_address.o = -pg
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# Object file lists.
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obj-y := elf.o entry-armv.o entry-common.o irq.o opcodes.o \
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process.o ptrace.o return_address.o sched_clock.o \
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setup.o signal.o sigreturn_codes.o \
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stacktrace.o sys_arm.o time.o traps.o
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obj-$(CONFIG_ATAGS) += atags_parse.o
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obj-$(CONFIG_ATAGS_PROC) += atags_proc.o
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obj-$(CONFIG_DEPRECATED_PARAM_STRUCT) += atags_compat.o
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obj-$(CONFIG_OC_ETM) += etm.o
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obj-$(CONFIG_CPU_IDLE) += cpuidle.o
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obj-$(CONFIG_ISA_DMA_API) += dma.o
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obj-$(CONFIG_FIQ) += fiq.o fiqasm.o
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obj-$(CONFIG_MODULES) += armksyms.o module.o
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obj-$(CONFIG_ARTHUR) += arthur.o
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obj-$(CONFIG_ISA_DMA) += dma-isa.o
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obj-$(CONFIG_PCI) += bios32.o isa.o
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obj-$(CONFIG_ARM_CPU_SUSPEND) += sleep.o suspend.o
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obj-$(CONFIG_SMP) += smp.o smp_tlb.o
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obj-$(CONFIG_HAVE_ARM_SCU) += smp_scu.o
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obj-$(CONFIG_HAVE_ARM_TWD) += smp_twd.o
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obj-$(CONFIG_ARM_ARCH_TIMER) += arch_timer.o
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obj-$(CONFIG_DYNAMIC_FTRACE) += ftrace.o insn.o
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obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += ftrace.o insn.o
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obj-$(CONFIG_JUMP_LABEL) += jump_label.o insn.o patch.o
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obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o
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obj-$(CONFIG_KPROBES) += kprobes.o kprobes-common.o patch.o
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ifdef CONFIG_THUMB2_KERNEL
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obj-$(CONFIG_KPROBES) += kprobes-thumb.o
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else
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obj-$(CONFIG_KPROBES) += kprobes-arm.o
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endif
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obj-$(CONFIG_ARM_KPROBES_TEST) += test-kprobes.o
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test-kprobes-objs := kprobes-test.o
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ifdef CONFIG_THUMB2_KERNEL
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test-kprobes-objs += kprobes-test-thumb.o
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else
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test-kprobes-objs += kprobes-test-arm.o
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endif
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obj-$(CONFIG_OABI_COMPAT) += sys_oabi-compat.o
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obj-$(CONFIG_ARM_THUMBEE) += thumbee.o
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obj-$(CONFIG_KGDB) += kgdb.o
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obj-$(CONFIG_ARM_UNWIND) += unwind.o
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obj-$(CONFIG_HAVE_TCM) += tcm.o
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obj-$(CONFIG_OF) += devtree.o
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obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
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obj-$(CONFIG_SWP_EMULATE) += swp_emulate.o
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CFLAGS_swp_emulate.o := -Wa,-march=armv7-a
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obj-$(CONFIG_HAVE_HW_BREAKPOINT) += hw_breakpoint.o
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obj-$(CONFIG_CPU_XSCALE) += xscale-cp0.o
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obj-$(CONFIG_CPU_XSC3) += xscale-cp0.o
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obj-$(CONFIG_CPU_MOHAWK) += xscale-cp0.o
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obj-$(CONFIG_CPU_PJ4) += pj4-cp0.o
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obj-$(CONFIG_IWMMXT) += iwmmxt.o
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obj-$(CONFIG_HW_PERF_EVENTS) += perf_event.o perf_event_cpu.o
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AFLAGS_iwmmxt.o := -Wa,-mcpu=iwmmxt
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obj-$(CONFIG_ARM_CPU_TOPOLOGY) += topology.o
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ifneq ($(CONFIG_ARCH_EBSA110),y)
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obj-y += io.o
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endif
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head-y := head$(MMUEXT).o
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obj-$(CONFIG_DEBUG_LL) += debug.o
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obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
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obj-$(CONFIG_ARM_VIRT_EXT) += hyp-stub.o
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ifeq ($(CONFIG_ARM_PSCI),y)
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obj-y += psci.o
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obj-$(CONFIG_SMP) += psci_smp.o
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endif
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extra-y := $(head-y) vmlinux.lds
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