diff options
| author | Andreas Schwab <schwab@suse.de> | 2018-06-07 12:27:27 +0200 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@sifive.com> | 2018-06-11 18:04:34 +0200 |
| commit | 77aa85de16aeefd75d639737c7bfcf0d2604e471 (patch) | |
| tree | 1fac74156aa7eb48dcc9d5a888067f53fc81fac2 /arch | |
| parent | riscv/ftrace: Export _mcount when DYNAMIC_FTRACE isn't set (diff) | |
| download | linux-77aa85de16aeefd75d639737c7bfcf0d2604e471.tar.xz linux-77aa85de16aeefd75d639737c7bfcf0d2604e471.zip | |
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>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/riscv/kernel/module.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/riscv/kernel/module.c b/arch/riscv/kernel/module.c index 5dddba301d0a..1d5e9b934b8c 100644 --- a/arch/riscv/kernel/module.c +++ b/arch/riscv/kernel/module.c @@ -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, |