[PATCH v1 3/5] RISC-V: kexec: Use Elf64 on 64-bit targets
From: Palmer Dabbelt <hidden>
Date: 2022-05-20 15:45:52
Also in:
linux-integrity, linux-riscv, linux-security-module, lkml
Subsystem:
risc-v architecture, the rest · Maintainers:
Paul Walmsley, Palmer Dabbelt, Albert Ou, Linus Torvalds
From: Palmer Dabbelt <redacted> Most of the Elf macros automatically select the correct Elf type, this converts the one explicit Elf64 usage to depend on XLEN. Signed-off-by: Palmer Dabbelt <redacted> --- arch/riscv/kernel/elf_kexec.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/arch/riscv/kernel/elf_kexec.c b/arch/riscv/kernel/elf_kexec.c
index 9cb85095fd45..4532e3cf17a5 100644
--- a/arch/riscv/kernel/elf_kexec.c
+++ b/arch/riscv/kernel/elf_kexec.c@@ -342,6 +342,12 @@ static void *elf_kexec_load(struct kimage *image, char *kernel_buf, #define CLEAN_IMM(type, x) \ ((~ENCODE_##type##_IMM((uint64_t)(-1))) & (x)) +#if __riscv_xlen == 32 +#define ELFN(T) ELF32 ## T +#else +#define ELFN(T) ELF64 ## T +#endif + int arch_kexec_apply_relocations_add(struct purgatory_info *pi, Elf_Shdr *section, const Elf_Shdr *relsec,
@@ -367,7 +373,7 @@ int arch_kexec_apply_relocations_add(struct purgatory_info *pi, void *loc; /* tmp location to modify */ sym = (void *)pi->ehdr + symtab->sh_offset; - sym += ELF64_R_SYM(relas[i].r_info); + sym += ELFN(_R_SYM)(relas[i].r_info); if (sym->st_name) name = strtab + sym->st_name;
--
2.34.1