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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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1234567891011121314151617181920212223242526272829303132333435363738394041424344454647# SPDX-License-Identifier: GPL-2.0## Makefile for the Linux/Xtensa kernel.#
always-$(KBUILD_BUILTIN) := vmlinux.lds
obj-y := head.o align.o coprocessor.o entry.o irq.o platform.o process.o \ ptrace.o setup.o signal.o stacktrace.o syscall.o time.o traps.o \ vectors.o
obj-$(CONFIG_MMU) += pci-dma.oobj-$(CONFIG_PCI) += pci.oobj-$(CONFIG_MODULES) += xtensa_ksyms.o module.oobj-$(CONFIG_FUNCTION_TRACER) += mcount.oobj-$(CONFIG_SMP) += smp.oobj-$(CONFIG_SECONDARY_RESET_VECTOR) += mxhead.oobj-$(CONFIG_XTENSA_VARIANT_HAVE_PERF_EVENTS) += perf_event.oobj-$(CONFIG_HAVE_HW_BREAKPOINT) += hw_breakpoint.oobj-$(CONFIG_S32C1I_SELFTEST) += s32c1i_selftest.oobj-$(CONFIG_JUMP_LABEL) += jump_label.oobj-$(CONFIG_HIBERNATION) += hibernate.o
# In the Xtensa architecture, assembly generates literals which must always# precede the L32R instruction with a relative offset less than 256 kB.# Therefore, the .text and .literal section must be combined in parenthesis# in the linker script, such as: *(.literal .text).## We need to post-process the generated vmlinux.lds scripts to convert# *(xxx.text) to *(xxx.literal xxx.text) for the following text sections:# .text .ref.text .*init.text .*exit.text .text.*## Replicate rules in scripts/Makefile.build
sed-y = -e ':a; s/\*(\([^)]*\)\.text\.unlikely/*(\1.literal.unlikely .{text}.unlikely/; ta; ' \ -e ':b; s/\*(\([^)]*\)\.text\(\.[a-z]*\)/*(\1.{text}\2.literal .{text}\2/; tb; ' \ -e ':c; s/\*(\([^)]*\)\(\.[a-z]*it\|\.ref\)\.text/*(\1\2.literal \2.{text}/; tc; ' \ -e ':d; s/\*(\([^)]\+ \|\)\.text/*(\1.literal .{text}/; td; ' \ -e 's/\.{text}/.text/g'
quiet_cmd__cpp_lds_S = LDS $@cmd__cpp_lds_S = $(CPP) $(cpp_flags) -P -C -Uxtensa -D__ASSEMBLY__ \ -DLINKER_SCRIPT $< | sed $(sed-y) >$@
$(obj)/vmlinux.lds: $(src)/vmlinux.lds.S FORCE $(call if_changed_dep,_cpp_lds_S)