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RISC-V: Handle R_RISCV_32 in modules 

With CONFIG_MODVERSIONS=y the R_RISCV_32 relocation is used by the
__kcrctab section.

Signed-off-by: Andreas Schwab <schwab@suse.de>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
This commit is contained in:
Andreas Schwab 2018-06-07 12:27:27 +02:00 committed by Palmer Dabbelt
parent 1dd985229d
commit 77aa85de16
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1 changed files with 12 additions and 0 deletions
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12
arch/riscv/kernel/module.c
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@ -17,6 +17,17 @@
#include <linux/errno.h>
#include <linux/moduleloader.h>
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,