mirror of
				https://github.com/torvalds/linux.git
				synced 2025-10-31 16:48:26 +02:00 
			
		
		
		
	kbuild: make better section mismatch reports on arm
With this change we can find more symbols hereby improving the readability of the warnings. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
This commit is contained in:
		
							parent
							
								
									ae4ac12323
								
							
						
					
					
						commit
						56a974fa2d
					
				
					 1 changed files with 24 additions and 0 deletions
				
			
		|  | @ -929,6 +929,26 @@ static int addend_386_rel(struct elf_info *elf, int rsection, Elf_Rela *r) | |||
| 	return 0; | ||||
| } | ||||
| 
 | ||||
| static int addend_arm_rel(struct elf_info *elf, int rsection, Elf_Rela *r) | ||||
| { | ||||
| 	unsigned int r_typ = ELF_R_TYPE(r->r_info); | ||||
| 
 | ||||
| 	switch (r_typ) { | ||||
| 	case R_ARM_ABS32: | ||||
| 		/* From ARM ABI: (S + A) | T */ | ||||
| 		r->r_addend = (int)(long)(elf->symtab_start + ELF_R_SYM(r->r_info)); | ||||
| 		break; | ||||
| 	case R_ARM_PC24: | ||||
| 		/* From ARM ABI: ((S + A) | T) - P */ | ||||
| 		r->r_addend = (int)(long)(elf->hdr + elf->sechdrs[rsection].sh_offset + | ||||
| 		                          (r->r_offset - elf->sechdrs[rsection].sh_addr)); | ||||
| 		break; | ||||
| 	default: | ||||
| 		return 1; | ||||
| 	} | ||||
| 	return 0; | ||||
| } | ||||
| 
 | ||||
| static int addend_mips_rel(struct elf_info *elf, int rsection, Elf_Rela *r) | ||||
| { | ||||
| 	unsigned int r_typ = ELF_R_TYPE(r->r_info); | ||||
|  | @ -1051,6 +1071,10 @@ static void check_sec_ref(struct module *mod, const char *modname, | |||
| 					if (addend_386_rel(elf, i, &r)) | ||||
| 						continue; | ||||
| 					break; | ||||
| 				case EM_ARM: | ||||
| 					if(addend_arm_rel(elf, i, &r)) | ||||
| 						continue; | ||||
| 					break; | ||||
| 				case EM_MIPS: | ||||
| 					if (addend_mips_rel(elf, i, &r)) | ||||
| 						continue; | ||||
|  |  | |||
		Loading…
	
		Reference in a new issue
	
	 Sam Ravnborg
						Sam Ravnborg