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ARM: 7964/1: Detect section mismatches in thumb relocations

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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>
This commit is contained in:
David A. Long 2014-02-14 22:41:18 +01:00 committed by Russell King
parent cd91b2fecf
commit c9698e5cd6
1 changed files with 13 additions and 0 deletions
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13
scripts/mod/modpost.c
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@ -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 +