ARM: 7964/1: Detect section mismatches in thumb relocations (c9698e5c) · Commits · 戴 / test

Add processing for normally encountered thumb relocation types so that section mismatches will be detected. Comment from Rusty Russell follows: Happiest for this to go through an ARM tree, so: Signed-off-by:

David A. Long <dave.long@linaro.org> Acked-by:

Rusty Russell <rusty@rustcorp.com.au> Signed-off-by:

Russell King <rmk+kernel@arm.linux.org.uk>

scripts/mod/modpost.c

+13 −0

Original line number	Diff line number	Diff line
		@@ -1502,6 +1502,16 @@ static int addend_386_rel(struct elf_info elf, Elf_Shdr sechdr, Elf_Rela *r)
		#define R_ARM_JUMP24 29
		#endif

		#ifndef R_ARM_THM_CALL
		#define R_ARM_THM_CALL 10
		#endif
		#ifndef R_ARM_THM_JUMP24
		#define R_ARM_THM_JUMP24 30
		#endif
		#ifndef R_ARM_THM_JUMP19
		#define R_ARM_THM_JUMP19 51
		#endif

		static int addend_arm_rel(struct elf_info elf, Elf_Shdr sechdr, Elf_Rela *r)
		{
		unsigned int r_typ = ELF_R_TYPE(r->r_info);
		@@ -1515,6 +1525,9 @@ static int addend_arm_rel(struct elf_info elf, Elf_Shdr sechdr, Elf_Rela *r)
		case R_ARM_PC24:
		case R_ARM_CALL:
		case R_ARM_JUMP24:
		case R_ARM_THM_CALL:
		case R_ARM_THM_JUMP24:
		case R_ARM_THM_JUMP19:
		/* From ARM ABI: ((S + A) \| T) - P */
		r->r_addend = (int)(long)(elf->hdr +
		sechdr->sh_offset +

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