From 94f4fb0841bfa5c1088a1b3a879a65bdd675ecd2 Mon Sep 17 00:00:00 2001 From: Vineet Gupta Date: Mon, 12 Sep 2016 16:50:50 -0700 Subject: [PATCH] ARC: module: support R_ARC_32_PCREL relocation Signed-off-by: Vineet Gupta --- arch/arc/include/asm/elf.h | 3 +-- arch/arc/kernel/module.c | 6 ++++-- 2 files changed, 5 insertions(+), 4 deletions(-) diff --git a/arch/arc/include/asm/elf.h b/arch/arc/include/asm/elf.h index 51a99e25fe33..7096f97a1434 100644 --- a/arch/arc/include/asm/elf.h +++ b/arch/arc/include/asm/elf.h @@ -23,8 +23,7 @@ /* ARC Relocations (kernel Modules only) */ #define R_ARC_32 0x4 #define R_ARC_32_ME 0x1B -#define R_ARC_S25H_PCREL 0x10 -#define R_ARC_S25W_PCREL 0x11 +#define R_ARC_32_PCREL 0x31 /*to set parameters in the core dumps */ #define ELF_ARCH EM_ARCOMPACT diff --git a/arch/arc/kernel/module.c b/arch/arc/kernel/module.c index 376e04622962..576a238434a1 100644 --- a/arch/arc/kernel/module.c +++ b/arch/arc/kernel/module.c @@ -106,10 +106,12 @@ int apply_relocate_add(Elf32_Shdr *sechdrs, */ relo_type = ELF32_R_TYPE(rel_entry[i].r_info); - if (likely(R_ARC_32_ME == relo_type)) + if (likely(R_ARC_32_ME == relo_type)) /* ME ( S + A ) */ arc_write_me((unsigned short *)location, relocation); - else if (R_ARC_32 == relo_type) + else if (R_ARC_32 == relo_type) /* ( S + A ) */ *((Elf32_Addr *) location) = relocation; + else if (R_ARC_32_PCREL == relo_type) /* ( S + A ) - PDATA ) */ + *((Elf32_Addr *) location) = relocation - location; else goto relo_err; -- 2.20.1