From: dave.long@linaro.org (David Long)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] Detect section mismatches in thumb relocations
Date: Fri, 31 Jan 2014 13:33:13 -0500 [thread overview]
Message-ID: <1391193193-28572-1-git-send-email-dave.long@linaro.org> (raw)
From: "David A. Long" <dave.long@linaro.org>
Add processing for normally encountered thumb relocation types so that
section mismatches will be detected.
Signed-off-by: David A. Long <dave.long@linaro.org>
---
scripts/mod/modpost.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 1785576..9e6c996 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -1498,6 +1498,16 @@ 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);
@@ -1511,6 +1521,9 @@ 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 +
--
1.8.1.2
next reply other threads:[~2014-01-31 18:33 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-31 18:33 David Long [this message]
2014-02-01 10:53 ` [PATCH] Detect section mismatches in thumb relocations Rusty Russell
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