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[RFC,12/22] riscv: s64ilp32: Add ELF32 support

Message ID 20230518131013.3366406-13-guoren@kernel.org (mailing list archive)
State Not Applicable
Headers show
Series riscv: s64ilp32: Running 32-bit Linux kernel on 64-bit supervisor mode | expand

Checks

Context Check Description
conchuod/tree_selection fail Failed to apply to next/pending-fixes, riscv/for-next or riscv/master

Commit Message

Guo Ren May 18, 2023, 1:10 p.m. UTC 
From: Guo Ren <guoren@linux.alibaba.com>

Use abi_len to distinct ELF32 and ELF64 because s64ilp32 is xlen=64 and
abi_len=32 (__SIZEOF_POINTER__=4). And s64ilp32 is an ELF32 based the
same as s32ilp32.

Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Signed-off-by: Guo Ren <guoren@kerenl.org>
---
 arch/riscv/include/uapi/asm/elf.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/arch/riscv/include/uapi/asm/elf.h b/arch/riscv/include/uapi/asm/elf.h
index d696d6610231..962e8ec8fe05 100644
--- a/arch/riscv/include/uapi/asm/elf.h
+++ b/arch/riscv/include/uapi/asm/elf.h
@@ -24,7 +24,7 @@  typedef __u64 elf_fpreg_t;
 typedef union __riscv_fp_state elf_fpregset_t;
 #define ELF_NFPREG (sizeof(struct __riscv_d_ext_state) / sizeof(elf_fpreg_t))
 
-#if __riscv_xlen == 64
+#if __SIZEOF_POINTER__ == 8
 #define ELF_RISCV_R_SYM(r_info)		ELF64_R_SYM(r_info)
 #define ELF_RISCV_R_TYPE(r_info)	ELF64_R_TYPE(r_info)
 #else