2b14a78cd0
Following x86-64 patches. Reuses code from them in fact. Convert the standard backtracer to do all output using callbacks. Use the x86-64 stack tracer implementation that uses these callbacks to implement the stacktrace interface. This allows to use the new dwarf2 unwinder for stacktrace and get better backtraces. Cc: mingo@elte.hu Signed-off-by: Andi Kleen <ak@suse.de>
85 lines
3.1 KiB
Makefile
85 lines
3.1 KiB
Makefile
#
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# Makefile for the linux kernel.
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#
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extra-y := head.o init_task.o vmlinux.lds
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obj-y := process.o signal.o entry.o traps.o irq.o \
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ptrace.o time.o ioport.o ldt.o setup.o i8259.o sys_i386.o \
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pci-dma.o i386_ksyms.o i387.o bootflag.o \
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quirks.o i8237.o topology.o alternative.o i8253.o tsc.o
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obj-$(CONFIG_STACKTRACE) += stacktrace.o
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obj-y += cpu/
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obj-y += acpi/
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obj-$(CONFIG_X86_BIOS_REBOOT) += reboot.o
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obj-$(CONFIG_MCA) += mca.o
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obj-$(CONFIG_X86_MSR) += msr.o
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obj-$(CONFIG_X86_CPUID) += cpuid.o
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obj-$(CONFIG_MICROCODE) += microcode.o
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obj-$(CONFIG_APM) += apm.o
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obj-$(CONFIG_X86_SMP) += smp.o smpboot.o
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obj-$(CONFIG_X86_TRAMPOLINE) += trampoline.o
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obj-$(CONFIG_X86_MPPARSE) += mpparse.o
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obj-$(CONFIG_X86_LOCAL_APIC) += apic.o nmi.o
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obj-$(CONFIG_X86_IO_APIC) += io_apic.o
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obj-$(CONFIG_X86_REBOOTFIXUPS) += reboot_fixups.o
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obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o crash.o
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obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
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obj-$(CONFIG_X86_NUMAQ) += numaq.o
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obj-$(CONFIG_X86_SUMMIT_NUMA) += summit.o
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obj-$(CONFIG_KPROBES) += kprobes.o
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obj-$(CONFIG_MODULES) += module.o
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obj-y += sysenter.o vsyscall.o
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obj-$(CONFIG_ACPI_SRAT) += srat.o
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obj-$(CONFIG_HPET_TIMER) += time_hpet.o
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obj-$(CONFIG_EFI) += efi.o efi_stub.o
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obj-$(CONFIG_DOUBLEFAULT) += doublefault.o
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obj-$(CONFIG_VM86) += vm86.o
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obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
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obj-$(CONFIG_HPET_TIMER) += hpet.o
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obj-$(CONFIG_K8_NB) += k8.o
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EXTRA_AFLAGS := -traditional
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obj-$(CONFIG_SCx200) += scx200.o
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# vsyscall.o contains the vsyscall DSO images as __initdata.
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# We must build both images before we can assemble it.
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# Note: kbuild does not track this dependency due to usage of .incbin
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$(obj)/vsyscall.o: $(obj)/vsyscall-int80.so $(obj)/vsyscall-sysenter.so
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targets += $(foreach F,int80 sysenter,vsyscall-$F.o vsyscall-$F.so)
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targets += vsyscall-note.o vsyscall.lds
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# The DSO images are built using a special linker script.
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quiet_cmd_syscall = SYSCALL $@
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cmd_syscall = $(CC) -m elf_i386 -nostdlib $(SYSCFLAGS_$(@F)) \
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-Wl,-T,$(filter-out FORCE,$^) -o $@
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export CPPFLAGS_vsyscall.lds += -P -C -U$(ARCH)
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vsyscall-flags = -shared -s -Wl,-soname=linux-gate.so.1 \
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$(call ld-option, -Wl$(comma)--hash-style=sysv)
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SYSCFLAGS_vsyscall-sysenter.so = $(vsyscall-flags)
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SYSCFLAGS_vsyscall-int80.so = $(vsyscall-flags)
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$(obj)/vsyscall-int80.so $(obj)/vsyscall-sysenter.so: \
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$(obj)/vsyscall-%.so: $(src)/vsyscall.lds \
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$(obj)/vsyscall-%.o $(obj)/vsyscall-note.o FORCE
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$(call if_changed,syscall)
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# We also create a special relocatable object that should mirror the symbol
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# table and layout of the linked DSO. With ld -R we can then refer to
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# these symbols in the kernel code rather than hand-coded addresses.
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extra-y += vsyscall-syms.o
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$(obj)/built-in.o: $(obj)/vsyscall-syms.o
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$(obj)/built-in.o: ld_flags += -R $(obj)/vsyscall-syms.o
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SYSCFLAGS_vsyscall-syms.o = -r
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$(obj)/vsyscall-syms.o: $(src)/vsyscall.lds \
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$(obj)/vsyscall-sysenter.o $(obj)/vsyscall-note.o FORCE
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$(call if_changed,syscall)
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k8-y += ../../x86_64/kernel/k8.o
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stacktrace-y += ../../x86_64/kernel/stacktrace.o
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