Unverified Commit 77aa85de authored by Andreas Schwab's avatar Andreas Schwab Committed by Palmer Dabbelt
Browse files

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: default avatarAndreas Schwab <schwab@suse.de>
Signed-off-by: default avatarPalmer Dabbelt <palmer@sifive.com>
parent 1dd98522

arch/riscv/kernel/module.c

+12 −0
Original line number Diff line number Diff line
@@ -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,