diff options
Diffstat (limited to 'opcodes')
| -rw-r--r-- | opcodes/riscv-dis.c | 32 |
1 files changed, 26 insertions, 6 deletions
diff --git a/opcodes/riscv-dis.c b/opcodes/riscv-dis.c index 1a09440..d097c16 100644 --- a/opcodes/riscv-dis.c +++ b/opcodes/riscv-dis.c @@ -27,13 +27,26 @@ #include "opintl.h" #include "elf-bfd.h" #include "elf/riscv.h" -#include "cpu-riscv.h" +#include "elfxx-riscv.h" #include <stdint.h> #include <ctype.h> +static enum riscv_spec_class default_isa_spec = ISA_SPEC_CLASS_DRAFT - 1; static enum riscv_spec_class default_priv_spec = PRIV_SPEC_CLASS_NONE; +unsigned xlen = 0; + +static riscv_subset_list_t riscv_subsets; +static riscv_parse_subset_t riscv_rps_dis = +{ + &riscv_subsets, /* subset_list. */ + opcodes_error_handler,/* error_handler. */ + &xlen, /* xlen. */ + &default_isa_spec, /* isa_spec. */ + false, /* check_unknown_prefixed_ext. */ +}; + struct riscv_private_data { bfd_vma gp; @@ -502,8 +515,6 @@ riscv_disassemble_insn (bfd_vma memaddr, insn_t word, disassemble_info *info) op = riscv_hash[OP_HASH_IDX (word)]; if (op != NULL) { - unsigned xlen = 0; - /* If XLEN is not known, get its value from the ELF class. */ if (info->mach == bfd_mach_riscv64) xlen = 64; @@ -527,6 +538,9 @@ riscv_disassemble_insn (bfd_vma memaddr, insn_t word, disassemble_info *info) if ((op->xlen_requirement != 0) && (op->xlen_requirement != xlen)) continue; + if (!riscv_multi_subset_supports (&riscv_rps_dis, op->insn_class)) + continue; + /* It's a match. */ (*info->fprintf_func) (info->stream, "%s", op->name); print_insn_args (op->args, word, memaddr, info); @@ -852,11 +866,13 @@ print_insn_riscv (bfd_vma memaddr, struct disassemble_info *info) disassembler_ftype riscv_get_disassembler (bfd *abfd) { + const char *default_arch = "rv64gc"; + if (abfd) { const struct elf_backend_data *ebd = get_elf_backend_data (abfd); if (ebd) - { + { const char *sec_name = ebd->obj_attrs_section; if (bfd_get_section_by_name (abfd, sec_name) != NULL) { @@ -868,10 +884,14 @@ riscv_get_disassembler (bfd *abfd) attr[Tag_b].i, attr[Tag_c].i, &default_priv_spec); + default_arch = attr[Tag_RISCV_arch].s; } - } + } } - return print_insn_riscv; + + riscv_release_subset_list (&riscv_subsets); + riscv_parse_subset (&riscv_rps_dis, default_arch); + return print_insn_riscv; } /* Prevent use of the fake labels that are generated as part of the DWARF |