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| author | Zong Li <zong@andestech.com> | 2018-03-15 16:50:49 +0800 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@sifive.com> | 2018-04-02 20:00:55 -0700 |
| commit | 4aad074c9c1d1302c504e1a26fe434878fe08cd5 (patch) | |
| tree | 24a42d58b6bd1ee876314d2a6ec9c7caf7bbb4d1 /arch/riscv | |
| parent | 8e691b16769d233f8a8b668dc7fad783459e4573 (diff) | |
| download | linux-4aad074c9c1d1302c504e1a26fe434878fe08cd5.tar.bz2 | |
RISC-V: Support SUB32 relocation type in kernel module
Signed-off-by: Zong Li <zong@andestech.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
Diffstat (limited to 'arch/riscv')
| -rw-r--r-- | arch/riscv/kernel/module.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/riscv/kernel/module.c b/arch/riscv/kernel/module.c index 73ea36c73d3b..5dddba301d0a 100644 --- a/arch/riscv/kernel/module.c +++ b/arch/riscv/kernel/module.c @@ -256,6 +256,13 @@ static int apply_r_riscv_add32_rela(struct module *me, u32 *location, return 0; } +static int apply_r_riscv_sub32_rela(struct module *me, u32 *location, + Elf_Addr v) +{ + *(u32 *)location -= (*(u32 *)v); + return 0; +} + static int (*reloc_handlers_rela[]) (struct module *me, u32 *location, Elf_Addr v) = { [R_RISCV_64] = apply_r_riscv_64_rela, @@ -275,6 +282,7 @@ static int (*reloc_handlers_rela[]) (struct module *me, u32 *location, [R_RISCV_RELAX] = apply_r_riscv_relax_rela, [R_RISCV_ALIGN] = apply_r_riscv_align_rela, [R_RISCV_ADD32] = apply_r_riscv_add32_rela, + [R_RISCV_SUB32] = apply_r_riscv_sub32_rela, }; int apply_relocate_add(Elf_Shdr *sechdrs, const char *strtab, |