757b435aaa
When building with debugging symbols, take the absolute path to the vmlinux binary and add it to the special PE/COFF debug table entry. This allows a debug EFI build to find the vmlinux binary, which is very helpful in debugging, given that the offset where the Image is first loaded by EFI is highly unpredictable. On implementations of UEFI that choose to implement it, this information is exposed via the EFI debug support table, which is a UEFI configuration table that is accessible both by the firmware at boot time and by the OS at runtime, and lists all PE/COFF images loaded by the system. The format of the NB10 Codeview entry is based on the definition used by EDK2, which is our primary reference when it comes to the use of PE/COFF in the context of UEFI firmware. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> [will: use realpath instead of shell invocation, as discussed on list] Signed-off-by: Will Deacon <will.deacon@arm.com>
62 lines
2.2 KiB
Makefile
62 lines
2.2 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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CFLAGS_armv8_deprecated.o := -I$(src)
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CFLAGS_REMOVE_ftrace.o = -pg
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CFLAGS_REMOVE_insn.o = -pg
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CFLAGS_REMOVE_return_address.o = -pg
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CFLAGS_setup.o = -DUTS_MACHINE='"$(UTS_MACHINE)"'
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# Object file lists.
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arm64-obj-y := debug-monitors.o entry.o irq.o fpsimd.o \
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entry-fpsimd.o process.o ptrace.o setup.o signal.o \
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sys.o stacktrace.o time.o traps.o io.o vdso.o \
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hyp-stub.o psci.o cpu_ops.o insn.o \
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return_address.o cpuinfo.o cpu_errata.o \
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cpufeature.o alternative.o cacheinfo.o \
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smp.o smp_spin_table.o topology.o smccc-call.o
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extra-$(CONFIG_EFI) := efi-entry.o
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OBJCOPYFLAGS := --prefix-symbols=__efistub_
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$(obj)/%.stub.o: $(obj)/%.o FORCE
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$(call if_changed,objcopy)
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arm64-obj-$(CONFIG_COMPAT) += sys32.o kuser32.o signal32.o \
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sys_compat.o entry32.o
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arm64-obj-$(CONFIG_FUNCTION_TRACER) += ftrace.o entry-ftrace.o
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arm64-obj-$(CONFIG_MODULES) += arm64ksyms.o module.o
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arm64-obj-$(CONFIG_ARM64_MODULE_PLTS) += module-plts.o
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arm64-obj-$(CONFIG_PERF_EVENTS) += perf_regs.o perf_callchain.o
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arm64-obj-$(CONFIG_HW_PERF_EVENTS) += perf_event.o
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arm64-obj-$(CONFIG_HAVE_HW_BREAKPOINT) += hw_breakpoint.o
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arm64-obj-$(CONFIG_CPU_PM) += sleep.o suspend.o
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arm64-obj-$(CONFIG_CPU_IDLE) += cpuidle.o
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arm64-obj-$(CONFIG_JUMP_LABEL) += jump_label.o
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arm64-obj-$(CONFIG_KGDB) += kgdb.o
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arm64-obj-$(CONFIG_EFI) += efi.o efi-entry.stub.o
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arm64-obj-$(CONFIG_PCI) += pci.o
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arm64-obj-$(CONFIG_ARMV8_DEPRECATED) += armv8_deprecated.o
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arm64-obj-$(CONFIG_ACPI) += acpi.o
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arm64-obj-$(CONFIG_ACPI_NUMA) += acpi_numa.o
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arm64-obj-$(CONFIG_ARM64_ACPI_PARKING_PROTOCOL) += acpi_parking_protocol.o
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arm64-obj-$(CONFIG_PARAVIRT) += paravirt.o
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arm64-obj-$(CONFIG_RANDOMIZE_BASE) += kaslr.o
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arm64-obj-$(CONFIG_HIBERNATION) += hibernate.o hibernate-asm.o
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arm64-obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o \
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cpu-reset.o
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obj-y += $(arm64-obj-y) vdso/ probes/
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obj-m += $(arm64-obj-m)
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head-y := head.o
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extra-y += $(head-y) vmlinux.lds
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ifeq ($(CONFIG_DEBUG_EFI),y)
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AFLAGS_head.o += -DVMLINUX_PATH="\"$(realpath $(objtree)/vmlinux)\""
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endif
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