diff options
| author | Xi Ruoyao <xry111@xry111.site> | 2022-10-12 16:36:14 +0800 |
|---|---|---|
| committer | Huacai Chen <chenhuacai@loongson.cn> | 2022-10-12 16:36:14 +0800 |
| commit | 9bd1e38032fb72982d9efe11948037cfa01eaa50 (patch) | |
| tree | b956692584a1b1d9dcf2aa27f57c2c2c5ee554d8 /arch/loongarch/kernel/module-sections.c | |
| parent | 0a75e5d1a1845db94b9c462e7b0ee755642febfe (diff) | |
LoongArch: Support PC-relative relocations in modules
Binutils >= 2.40 uses R_LARCH_B26 instead of R_LARCH_SOP_PUSH_PLT_PCREL,
and R_LARCH_PCALA* instead of R_LARCH_SOP_PUSH_PCREL.
Handle R_LARCH_B26 and R_LARCH_PCALA* in the module loader. For R_LARCH_
B26, also create a PLT entry as needed.
Tested-by: WANG Xuerui <git@xen0n.name>
Signed-off-by: Xi Ruoyao <xry111@xry111.site>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Diffstat (limited to 'arch/loongarch/kernel/module-sections.c')
| -rw-r--r-- | arch/loongarch/kernel/module-sections.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/loongarch/kernel/module-sections.c b/arch/loongarch/kernel/module-sections.c index 6d498288977d..e25c2ccf2665 100644 --- a/arch/loongarch/kernel/module-sections.c +++ b/arch/loongarch/kernel/module-sections.c @@ -56,9 +56,14 @@ static void count_max_entries(Elf_Rela *relas, int num, unsigned int *plts) for (i = 0; i < num; i++) { type = ELF_R_TYPE(relas[i].r_info); - if (type == R_LARCH_SOP_PUSH_PLT_PCREL) { + switch (type) { + case R_LARCH_SOP_PUSH_PLT_PCREL: + case R_LARCH_B26: if (!duplicate_rela(relas, i)) (*plts)++; + break; + default: + break; /* Do nothing. */ } } } |