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

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>

diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 4061098..99a45fd 100644 (file)
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -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 +