diff mbox series

[v2,3/5] RISC-V: kexec: Use Elf64 on 64-bit targets

Message ID 20220624044811.9682-4-palmer@rivosinc.com (mailing list archive)
State Handled Elsewhere
Headers show
Series Support kexec_file on 32-bit RISC-V | expand

Commit Message

Palmer Dabbelt June 24, 2022, 4:48 a.m. UTC 
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 <palmer@rivosinc.com>
---
 arch/riscv/kernel/elf_kexec.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)
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Patch

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;