diff options
Diffstat (limited to 'opcodes')
| -rw-r--r-- | opcodes/ChangeLog | 6 | ||||
| -rw-r--r-- | opcodes/riscv-dis.c | 24 |
2 files changed, 29 insertions, 1 deletions
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog index ca3206d..a32af60 100644 --- a/opcodes/ChangeLog +++ b/opcodes/ChangeLog @@ -1,3 +1,9 @@ +2021-09-20 Andrew Burgess <andrew.burgess@embecosm.com> + + * riscv-dis.c (riscv_disassemble_insn): Print a .%dbyte opcode + before an unknown instruction, '%d' is replaced with the + instruction length. + 2021-09-02 Nick Clifton <nickc@redhat.com> PR 28292 diff --git a/opcodes/riscv-dis.c b/opcodes/riscv-dis.c index 57198c7..2e28ba7 100644 --- a/opcodes/riscv-dis.c +++ b/opcodes/riscv-dis.c @@ -570,7 +570,29 @@ riscv_disassemble_insn (bfd_vma memaddr, insn_t word, disassemble_info *info) /* We did not find a match, so just print the instruction bits. */ info->insn_type = dis_noninsn; - (*info->fprintf_func) (info->stream, "0x%llx", (unsigned long long)word); + switch (insnlen) + { + case 2: + case 4: + case 8: + (*info->fprintf_func) (info->stream, ".%dbyte\t0x%llx", + insnlen, (unsigned long long) word); + break; + default: + { + int i; + (*info->fprintf_func) (info->stream, ".byte\t"); + for (i = 0; i < insnlen; ++i) + { + if (i > 0) + (*info->fprintf_func) (info->stream, ", "); + (*info->fprintf_func) (info->stream, "0x%02x", + (unsigned int) (word & 0xff)); + word >>= 8; + } + } + break; + } return insnlen; } |