diff options
Diffstat (limited to 'opcodes/riscv-dis.c')
| -rw-r--r-- | opcodes/riscv-dis.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/opcodes/riscv-dis.c b/opcodes/riscv-dis.c index 3019b9a..684098d3 100644 --- a/opcodes/riscv-dis.c +++ b/opcodes/riscv-dis.c @@ -215,6 +215,48 @@ maybe_print_address (struct riscv_private_data *pd, int base_reg, int offset, pd->print_addr = (bfd_vma)(uint32_t)pd->print_addr; } +/* Get Zcmp reg_list field. */ + +static void +print_reg_list (disassemble_info *info, insn_t l) +{ + bool numeric = riscv_gpr_names == riscv_gpr_names_numeric; + unsigned reg_list = (int)EXTRACT_OPERAND (REG_LIST, l); + unsigned r_start = numeric ? X_S2 : X_S0; + info->fprintf_func (info->stream, "%s", riscv_gpr_names[X_RA]); + + if (reg_list == 5) + info->fprintf_func (info->stream, ",%s", + riscv_gpr_names[X_S0]); + else if (reg_list == 6 || (numeric && reg_list > 6)) + info->fprintf_func (info->stream, ",%s-%s", + riscv_gpr_names[X_S0], + riscv_gpr_names[X_S1]); + if (reg_list == 15) + info->fprintf_func (info->stream, ",%s-%s", + riscv_gpr_names[r_start], + riscv_gpr_names[X_S11]); + else if (reg_list == 7 && numeric) + info->fprintf_func (info->stream, ",%s", + riscv_gpr_names[X_S2]); + else if (reg_list > 6) + info->fprintf_func (info->stream, ",%s-%s", + riscv_gpr_names[r_start], + riscv_gpr_names[reg_list + 11]); +} + +/* Get Zcmp sp adjustment immediate. */ + +static int +riscv_get_spimm (insn_t l) +{ + int spimm = riscv_get_sp_base(l, *riscv_rps_dis.xlen); + spimm += EXTRACT_ZCMP_SPIMM (l); + if (((l ^ MATCH_CM_PUSH) & MASK_CM_PUSH) == 0) + spimm *= -1; + return spimm; +} + /* Print insn arguments for 32/64-bit code. */ static void @@ -420,6 +462,8 @@ print_insn_args (const char *oparg, insn_t l, bfd_vma pc, disassemble_info *info case ')': case '[': case ']': + case '{': + case '}': print (info->stream, dis_style_text, "%c", *oparg); break; @@ -634,6 +678,13 @@ print_insn_args (const char *oparg, insn_t l, bfd_vma pc, disassemble_info *info print (info->stream, dis_style_immediate, "%d", (int)EXTRACT_ZCB_HALFWORD_UIMM (l)); break; + case 'r': + print_reg_list (info, l); + break; + case 'p': + print (info->stream, dis_style_immediate, "%d", + riscv_get_spimm (l)); + break; default: goto undefined_modifier; } |