![]() Server : Apache System : Linux server2.corals.io 4.18.0-348.2.1.el8_5.x86_64 #1 SMP Mon Nov 15 09:17:08 EST 2021 x86_64 User : corals ( 1002) PHP Version : 7.4.33 Disable Function : exec,passthru,shell_exec,system Directory : /usr/src/kernels/4.18.0-348.2.1.el8_5.x86_64/arch/x86/purgatory/ |
# SPDX-License-Identifier: GPL-2.0 OBJECT_FILES_NON_STANDARD := y purgatory-y := purgatory.o stack.o setup-x86_$(BITS).o sha256.o entry64.o string.o targets += $(purgatory-y) PURGATORY_OBJS = $(addprefix $(obj)/,$(purgatory-y)) $(obj)/string.o: $(srctree)/arch/x86/boot/compressed/string.c FORCE $(call if_changed_rule,cc_o_c) $(obj)/sha256.o: $(srctree)/lib/crypto/sha256.c FORCE $(call if_changed_rule,cc_o_c) CFLAGS_sha256.o := -D__DISABLE_EXPORTS # When linking purgatory.ro with -r unresolved symbols are not checked, # also link a purgatory.chk binary without -r to check for unresolved symbols. PURGATORY_LDFLAGS := -e purgatory_start -nostdlib -z nodefaultlib LDFLAGS_purgatory.ro := -r $(PURGATORY_LDFLAGS) LDFLAGS_purgatory.chk := $(PURGATORY_LDFLAGS) targets += purgatory.ro purgatory.chk # Sanitizer, etc. runtimes are unavailable and cannot be linked here. GCOV_PROFILE := n KASAN_SANITIZE := n KCSAN_SANITIZE := n UBSAN_SANITIZE := n KCOV_INSTRUMENT := n # Default KBUILD_CFLAGS can have -pg option set when FTRACE is enabled. That # in turn leaves some undefined symbols like __fentry__ in purgatory and not # sure how to relocate those. Like kexec-tools, use custom flags. KBUILD_CFLAGS := -fno-strict-aliasing -Wall -Wstrict-prototypes -fno-zero-initialized-in-bss -fno-builtin -ffreestanding -c -Os -mcmodel=large KBUILD_CFLAGS += -m$(BITS) KBUILD_CFLAGS += $(call cc-option,-fno-PIE) KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) $(obj)/purgatory.ro: $(PURGATORY_OBJS) FORCE $(call if_changed,ld) $(obj)/purgatory.chk: $(obj)/purgatory.ro FORCE $(call if_changed,ld) targets += kexec-purgatory.c CMD_BIN2C = $(objtree)/scripts/basic/bin2c quiet_cmd_bin2c = BIN2C $@ cmd_bin2c = $(CMD_BIN2C) kexec_purgatory < $< > $@ $(obj)/kexec-purgatory.c: $(obj)/purgatory.ro $(obj)/purgatory.chk FORCE $(call if_changed,bin2c) obj-$(CONFIG_KEXEC_FILE) += kexec-purgatory.o