From: schwab@suse.de (Andreas Schwab) Date: Thu, 07 Jun 2018 12:27:27 +0200 Subject: [PATCH] RISC-V: Handle R_RISCV_32 in modules Message-ID: To: linux-riscv@lists.infradead.org List-Id: linux-riscv.lists.infradead.org With CONFIG_MODVERSIONS=y the R_RISCV_32 relocation is used by the __kcrctab section. Signed-off-by: Andreas Schwab --- arch/riscv/kernel/module.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/riscv/kernel/module.c b/arch/riscv/kernel/module.c index 5dddba301d..1d5e9b934b 100644 --- a/arch/riscv/kernel/module.c +++ b/arch/riscv/kernel/module.c @@ -17,6 +17,17 @@ #include #include +static int apply_r_riscv_32_rela(struct module *me, u32 *location, Elf_Addr v) +{ + if (v != (u32)v) { + pr_err("%s: value %016llx out of range for 32-bit field\n", + me->name, v); + return -EINVAL; + } + *location = v; + return 0; +} + static int apply_r_riscv_64_rela(struct module *me, u32 *location, Elf_Addr v) { *(u64 *)location = v; @@ -265,6 +276,7 @@ static int apply_r_riscv_sub32_rela(struct module *me, u32 *location, static int (*reloc_handlers_rela[]) (struct module *me, u32 *location, Elf_Addr v) = { + [R_RISCV_32] = apply_r_riscv_32_rela, [R_RISCV_64] = apply_r_riscv_64_rela, [R_RISCV_BRANCH] = apply_r_riscv_branch_rela, [R_RISCV_JAL] = apply_r_riscv_jal_rela, -- 2.17.1 -- Andreas Schwab, SUSE Labs, schwab at suse.de GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7 "And now for something completely different."