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Linux/scripts/Makefile.vmlinux_o

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Diff markup

Differences between /scripts/Makefile.vmlinux_o (Version linux-6.12-rc7) and /scripts/Makefile.vmlinux_o (Version linux-5.4.285)


  1 # SPDX-License-Identifier: GPL-2.0-only           
  2                                                   
  3 PHONY := __default                                
  4 __default: vmlinux.o modules.builtin.modinfo m    
  5                                                   
  6 include include/config/auto.conf                  
  7 include $(srctree)/scripts/Kbuild.include         
  8                                                   
  9 # for objtool                                     
 10 include $(srctree)/scripts/Makefile.lib           
 11                                                   
 12 # Generate a linker script to ensure correct o    
 13 # --------------------------------------------    
 14                                                   
 15 quiet_cmd_gen_initcalls_lds = GEN     $@          
 16       cmd_gen_initcalls_lds = \                   
 17         $(PYTHON3) $(srctree)/scripts/jobserve    
 18         $(PERL) $(real-prereqs) > $@              
 19                                                   
 20 .tmp_initcalls.lds: $(srctree)/scripts/generat    
 21                 vmlinux.a $(KBUILD_VMLINUX_LIB    
 22         $(call if_changed,gen_initcalls_lds)      
 23                                                   
 24 targets := .tmp_initcalls.lds                     
 25                                                   
 26 ifdef CONFIG_LTO_CLANG                            
 27 initcalls-lds := .tmp_initcalls.lds               
 28 endif                                             
 29                                                   
 30 # objtool for vmlinux.o                           
 31 # --------------------------------------------    
 32 #                                                 
 33 # For LTO and IBT, objtool doesn't run on indi    
 34 # Run everything on vmlinux instead.              
 35                                                   
 36 objtool-enabled := $(or $(delay-objtool),$(CON    
 37                                                   
 38 vmlinux-objtool-args-$(delay-objtool)             
 39 vmlinux-objtool-args-$(CONFIG_GCOV_KERNEL)        
 40 vmlinux-objtool-args-$(CONFIG_NOINSTR_VALIDATI    
 41                                                   
 42                                                   
 43 objtool-args = $(vmlinux-objtool-args-y) --lin    
 44                                                   
 45 # Link of vmlinux.o used for section mismatch     
 46 # --------------------------------------------    
 47                                                   
 48 vmlinux-o-ld-args-$(CONFIG_BUILTIN_MODULE_RANG    
 49                                                   
 50 quiet_cmd_ld_vmlinux.o = LD      $@               
 51       cmd_ld_vmlinux.o = \                        
 52         $(LD) ${KBUILD_LDFLAGS} -r -o $@ \        
 53         $(vmlinux-o-ld-args-y) \                  
 54         $(addprefix -T , $(initcalls-lds)) \      
 55         --whole-archive vmlinux.a --no-whole-a    
 56         --start-group $(KBUILD_VMLINUX_LIBS) -    
 57         $(cmd_objtool)                            
 58                                                   
 59 define rule_ld_vmlinux.o                          
 60         $(call cmd_and_savecmd,ld_vmlinux.o)      
 61         $(call cmd,gen_objtooldep)                
 62 endef                                             
 63                                                   
 64 vmlinux.o: $(initcalls-lds) vmlinux.a $(KBUILD    
 65         $(call if_changed_rule,ld_vmlinux.o)      
 66                                                   
 67 targets += vmlinux.o                              
 68                                                   
 69 # module.builtin.modinfo                          
 70 # --------------------------------------------    
 71                                                   
 72 OBJCOPYFLAGS_modules.builtin.modinfo := -j .mo    
 73                                                   
 74 targets += modules.builtin.modinfo                
 75 modules.builtin.modinfo: vmlinux.o FORCE          
 76         $(call if_changed,objcopy)                
 77                                                   
 78 # module.builtin                                  
 79 # --------------------------------------------    
 80                                                   
 81 # The second line aids cases where multiple mo    
 82                                                   
 83 quiet_cmd_modules_builtin = GEN     $@            
 84       cmd_modules_builtin = \                     
 85         tr '\0' '\n' < $< | \                     
 86         sed -n 's/^[[:alnum:]:_]*\.file=//p' |    
 87         tr ' ' '\n' | uniq | sed -e 's:^:kerne    
 88                                                   
 89 targets += modules.builtin                        
 90 modules.builtin: modules.builtin.modinfo FORCE    
 91         $(call if_changed,modules_builtin)        
 92                                                   
 93 # Add FORCE to the prerequisites of a target t    
 94 # --------------------------------------------    
 95                                                   
 96 PHONY += FORCE                                    
 97 FORCE:                                            
 98                                                   
 99 # Read all saved command lines and dependencie    
100 # may be building above, using $(if_changed{,_    
101 # optimization, we don't need to read them if     
102 # exist, we will rebuild anyway in that case.     
103                                                   
104 existing-targets := $(wildcard $(sort $(target    
105                                                   
106 -include $(foreach f,$(existing-targets),$(dir    
107                                                   
108 .PHONY: $(PHONY)                                  
                                                      

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