[RFC PATCH 3/4] RISC-V : Add rv64 ilp32 support in disassemble

[Guo Ren]

On Fri, May 19, 2023 at 11:49 AM Liao Shihua <shihua@iscas.ac.cn> wrote:
>
> This patch supports rv64 ilp32 in disassemble.
>
>
> opcodes/ChangeLog:
>
>         * riscv-dis.c (print_insn_args):
>         (riscv_disassemble_insn):
> ---
>  opcodes/riscv-dis.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/opcodes/riscv-dis.c b/opcodes/riscv-dis.c
> index f25993d1e45..550cabf875e 100644
> --- a/opcodes/riscv-dis.c
> +++ b/opcodes/riscv-dis.c
> @@ -263,7 +263,7 @@ print_insn_args (const char *oparg, insn_t l, bfd_vma pc, disassemble_info *info
>             case 'j':
>               if (((l & MASK_C_ADDI) == MATCH_C_ADDI) && rd != 0)
>                 maybe_print_address (pd, rd, EXTRACT_CITYPE_IMM (l), 0);
> -             if (info->mach == bfd_mach_riscv64
> +             if ((info->mach == bfd_mach_riscv64 || info->mach == bfd_mach_riscv64x32)
>                   && ((l & MASK_C_ADDIW) == MATCH_C_ADDIW) && rd != 0)
>                 maybe_print_address (pd, rd, EXTRACT_CITYPE_IMM (l), 1);
>               print (info->stream, dis_style_immediate, "%d",
> @@ -463,7 +463,7 @@ print_insn_args (const char *oparg, insn_t l, bfd_vma pc, disassemble_info *info
>           if (((l & MASK_ADDI) == MATCH_ADDI && rs1 != 0)
>               || (l & MASK_JALR) == MATCH_JALR)
>             maybe_print_address (pd, rs1, EXTRACT_ITYPE_IMM (l), 0);
> -         if (info->mach == bfd_mach_riscv64
> +         if ((info->mach == bfd_mach_riscv64 || info->mach == bfd_mach_riscv64x32)
keep the name of bfd_mach_riscv64ilp32

>               && ((l & MASK_ADDIW) == MATCH_ADDIW) && rs1 != 0)
>             maybe_print_address (pd, rs1, EXTRACT_ITYPE_IMM (l), 1);
>           print (info->stream, dis_style_immediate, "%d",
> @@ -724,7 +724,7 @@ riscv_disassemble_insn (bfd_vma memaddr,
>    if (op != NULL)
>      {
>        /* If XLEN is not known, get its value from the ELF class.  */
> -      if (info->mach == bfd_mach_riscv64)
> +      if (info->mach == bfd_mach_riscv64 || info->mach == bfd_mach_riscv64x32)
>         xlen = 64;
>        else if (info->mach == bfd_mach_riscv32)
>         xlen = 32;
> --
> 2.38.1.windows.1
>


-- 
Best Regards
 Guo Ren