| /* Disassembler for the PA-RISC. Somewhat derived from sparc-pinsn.c. |
| Copyright (C) 1989-2016 Free Software Foundation, Inc. |
| |
| Contributed by the Center for Software Science at the |
| University of Utah (pa-gdb-bugs@cs.utah.edu). |
| |
| This file is part of the GNU opcodes library. |
| |
| This library is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3, or (at your option) |
| any later version. |
| |
| It is distributed in the hope that it will be useful, but WITHOUT |
| ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
| or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public |
| License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| MA 02110-1301, USA. */ |
| |
| #include "sysdep.h" |
| #include "dis-asm.h" |
| #include "libhppa.h" |
| #include "opcode/hppa.h" |
| |
| /* Integer register names, indexed by the numbers which appear in the |
| opcodes. */ |
| static const char *const reg_names[] = |
| { |
| "flags", "r1", "rp", "r3", "r4", "r5", "r6", "r7", "r8", "r9", |
| "r10", "r11", "r12", "r13", "r14", "r15", "r16", "r17", "r18", "r19", |
| "r20", "r21", "r22", "r23", "r24", "r25", "r26", "dp", "ret0", "ret1", |
| "sp", "r31" |
| }; |
| |
| /* Floating point register names, indexed by the numbers which appear in the |
| opcodes. */ |
| static const char *const fp_reg_names[] = |
| { |
| "fpsr", "fpe2", "fpe4", "fpe6", |
| "fr4", "fr5", "fr6", "fr7", "fr8", |
| "fr9", "fr10", "fr11", "fr12", "fr13", "fr14", "fr15", |
| "fr16", "fr17", "fr18", "fr19", "fr20", "fr21", "fr22", "fr23", |
| "fr24", "fr25", "fr26", "fr27", "fr28", "fr29", "fr30", "fr31" |
| }; |
| |
| typedef unsigned int CORE_ADDR; |
| |
| /* Get at various relevent fields of an instruction word. */ |
| |
| #define MASK_5 0x1f |
| #define MASK_10 0x3ff |
| #define MASK_11 0x7ff |
| #define MASK_14 0x3fff |
| #define MASK_16 0xffff |
| #define MASK_21 0x1fffff |
| |
| /* These macros get bit fields using HP's numbering (MSB = 0). */ |
| |
| #define GET_FIELD(X, FROM, TO) \ |
| ((X) >> (31 - (TO)) & ((1 << ((TO) - (FROM) + 1)) - 1)) |
| |
| #define GET_BIT(X, WHICH) \ |
| GET_FIELD (X, WHICH, WHICH) |
| |
| /* Some of these have been converted to 2-d arrays because they |
| consume less storage this way. If the maintenance becomes a |
| problem, convert them back to const 1-d pointer arrays. */ |
| static const char *const control_reg[] = |
| { |
| "rctr", "cr1", "cr2", "cr3", "cr4", "cr5", "cr6", "cr7", |
| "pidr1", "pidr2", "ccr", "sar", "pidr3", "pidr4", |
| "iva", "eiem", "itmr", "pcsq", "pcoq", "iir", "isr", |
| "ior", "ipsw", "eirr", "tr0", "tr1", "tr2", "tr3", |
| "tr4", "tr5", "tr6", "tr7" |
| }; |
| |
| static const char *const compare_cond_names[] = |
| { |
| "", ",=", ",<", ",<=", ",<<", ",<<=", ",sv", ",od", |
| ",tr", ",<>", ",>=", ",>", ",>>=", ",>>", ",nsv", ",ev" |
| }; |
| static const char *const compare_cond_64_names[] = |
| { |
| ",*", ",*=", ",*<", ",*<=", ",*<<", ",*<<=", ",*sv", ",*od", |
| ",*tr", ",*<>", ",*>=", ",*>", ",*>>=", ",*>>", ",*nsv", ",*ev" |
| }; |
| static const char *const cmpib_cond_64_names[] = |
| { |
| ",*<<", ",*=", ",*<", ",*<=", ",*>>=", ",*<>", ",*>=", ",*>" |
| }; |
| static const char *const add_cond_names[] = |
| { |
| "", ",=", ",<", ",<=", ",nuv", ",znv", ",sv", ",od", |
| ",tr", ",<>", ",>=", ",>", ",uv", ",vnz", ",nsv", ",ev" |
| }; |
| static const char *const add_cond_64_names[] = |
| { |
| ",*", ",*=", ",*<", ",*<=", ",*nuv", ",*znv", ",*sv", ",*od", |
| ",*tr", ",*<>", ",*>=", ",*>", ",*uv", ",*vnz", ",*nsv", ",*ev" |
| }; |
| static const char *const wide_add_cond_names[] = |
| { |
| "", ",=", ",<", ",<=", ",nuv", ",*=", ",*<", ",*<=", |
| ",tr", ",<>", ",>=", ",>", ",uv", ",*<>", ",*>=", ",*>" |
| }; |
| static const char *const logical_cond_names[] = |
| { |
| "", ",=", ",<", ",<=", 0, 0, 0, ",od", |
| ",tr", ",<>", ",>=", ",>", 0, 0, 0, ",ev"}; |
| static const char *const logical_cond_64_names[] = |
| { |
| ",*", ",*=", ",*<", ",*<=", 0, 0, 0, ",*od", |
| ",*tr", ",*<>", ",*>=", ",*>", 0, 0, 0, ",*ev"}; |
| static const char *const unit_cond_names[] = |
| { |
| "", ",swz", ",sbz", ",shz", ",sdc", ",swc", ",sbc", ",shc", |
| ",tr", ",nwz", ",nbz", ",nhz", ",ndc", ",nwc", ",nbc", ",nhc" |
| }; |
| static const char *const unit_cond_64_names[] = |
| { |
| ",*", ",*swz", ",*sbz", ",*shz", ",*sdc", ",*swc", ",*sbc", ",*shc", |
| ",*tr", ",*nwz", ",*nbz", ",*nhz", ",*ndc", ",*nwc", ",*nbc", ",*nhc" |
| }; |
| static const char *const shift_cond_names[] = |
| { |
| "", ",=", ",<", ",od", ",tr", ",<>", ",>=", ",ev" |
| }; |
| static const char *const shift_cond_64_names[] = |
| { |
| ",*", ",*=", ",*<", ",*od", ",*tr", ",*<>", ",*>=", ",*ev" |
| }; |
| static const char *const bb_cond_64_names[] = |
| { |
| ",*<", ",*>=" |
| }; |
| static const char *const index_compl_names[] = {"", ",m", ",s", ",sm"}; |
| static const char *const short_ldst_compl_names[] = {"", ",ma", "", ",mb"}; |
| static const char *const short_bytes_compl_names[] = |
| { |
| "", ",b,m", ",e", ",e,m" |
| }; |
| static const char *const float_format_names[] = {",sgl", ",dbl", "", ",quad"}; |
| static const char *const fcnv_fixed_names[] = {",w", ",dw", "", ",qw"}; |
| static const char *const fcnv_ufixed_names[] = {",uw", ",udw", "", ",uqw"}; |
| static const char *const float_comp_names[] = |
| { |
| ",false?", ",false", ",?", ",!<=>", ",=", ",=t", ",?=", ",!<>", |
| ",!?>=", ",<", ",?<", ",!>=", ",!?>", ",<=", ",?<=", ",!>", |
| ",!?<=", ",>", ",?>", ",!<=", ",!?<", ",>=", ",?>=", ",!<", |
| ",!?=", ",<>", ",!=", ",!=t", ",!?", ",<=>", ",true?", ",true" |
| }; |
| static const char *const signed_unsigned_names[] = {",u", ",s"}; |
| static const char *const mix_half_names[] = {",l", ",r"}; |
| static const char *const saturation_names[] = {",us", ",ss", 0, ""}; |
| static const char *const read_write_names[] = {",r", ",w"}; |
| static const char *const add_compl_names[] = { 0, "", ",l", ",tsv" }; |
| |
| /* For a bunch of different instructions form an index into a |
| completer name table. */ |
| #define GET_COMPL(insn) (GET_FIELD (insn, 26, 26) | \ |
| GET_FIELD (insn, 18, 18) << 1) |
| |
| #define GET_COND(insn) (GET_FIELD ((insn), 16, 18) + \ |
| (GET_FIELD ((insn), 19, 19) ? 8 : 0)) |
| |
| /* Utility function to print registers. Put these first, so gcc's function |
| inlining can do its stuff. */ |
| |
| #define fputs_filtered(STR,F) (*info->fprintf_func) (info->stream, "%s", STR) |
| |
| static void |
| fput_reg (unsigned reg, disassemble_info *info) |
| { |
| (*info->fprintf_func) (info->stream, "%s", reg ? reg_names[reg] : "r0"); |
| } |
| |
| static void |
| fput_fp_reg (unsigned reg, disassemble_info *info) |
| { |
| (*info->fprintf_func) (info->stream, "%s", reg ? fp_reg_names[reg] : "fr0"); |
| } |
| |
| static void |
| fput_fp_reg_r (unsigned reg, disassemble_info *info) |
| { |
| /* Special case floating point exception registers. */ |
| if (reg < 4) |
| (*info->fprintf_func) (info->stream, "fpe%d", reg * 2 + 1); |
| else |
| (*info->fprintf_func) (info->stream, "%sR", |
| reg ? fp_reg_names[reg] : "fr0"); |
| } |
| |
| static void |
| fput_creg (unsigned reg, disassemble_info *info) |
| { |
| (*info->fprintf_func) (info->stream, "%s", control_reg[reg]); |
| } |
| |
| /* Print constants with sign. */ |
| |
| static void |
| fput_const (unsigned num, disassemble_info *info) |
| { |
| if ((int) num < 0) |
| (*info->fprintf_func) (info->stream, "-%x", - (int) num); |
| else |
| (*info->fprintf_func) (info->stream, "%x", num); |
| } |
| |
| /* Routines to extract various sized constants out of hppa |
| instructions. */ |
| |
| /* Extract a 3-bit space register number from a be, ble, mtsp or mfsp. */ |
| static int |
| extract_3 (unsigned word) |
| { |
| return GET_FIELD (word, 18, 18) << 2 | GET_FIELD (word, 16, 17); |
| } |
| |
| static int |
| extract_5_load (unsigned word) |
| { |
| return low_sign_extend (word >> 16 & MASK_5, 5); |
| } |
| |
| /* Extract the immediate field from a st{bhw}s instruction. */ |
| |
| static int |
| extract_5_store (unsigned word) |
| { |
| return low_sign_extend (word & MASK_5, 5); |
| } |
| |
| /* Extract the immediate field from a break instruction. */ |
| |
| static unsigned |
| extract_5r_store (unsigned word) |
| { |
| return (word & MASK_5); |
| } |
| |
| /* Extract the immediate field from a {sr}sm instruction. */ |
| |
| static unsigned |
| extract_5R_store (unsigned word) |
| { |
| return (word >> 16 & MASK_5); |
| } |
| |
| /* Extract the 10 bit immediate field from a {sr}sm instruction. */ |
| |
| static unsigned |
| extract_10U_store (unsigned word) |
| { |
| return (word >> 16 & MASK_10); |
| } |
| |
| /* Extract the immediate field from a bb instruction. */ |
| |
| static unsigned |
| extract_5Q_store (unsigned word) |
| { |
| return (word >> 21 & MASK_5); |
| } |
| |
| /* Extract an 11 bit immediate field. */ |
| |
| static int |
| extract_11 (unsigned word) |
| { |
| return low_sign_extend (word & MASK_11, 11); |
| } |
| |
| /* Extract a 14 bit immediate field. */ |
| |
| static int |
| extract_14 (unsigned word) |
| { |
| return low_sign_extend (word & MASK_14, 14); |
| } |
| |
| /* Extract a 16 bit immediate field (PA2.0 wide only). */ |
| |
| static int |
| extract_16 (unsigned word) |
| { |
| int m15, m0, m1; |
| |
| m0 = GET_BIT (word, 16); |
| m1 = GET_BIT (word, 17); |
| m15 = GET_BIT (word, 31); |
| word = (word >> 1) & 0x1fff; |
| word = word | (m15 << 15) | ((m15 ^ m0) << 14) | ((m15 ^ m1) << 13); |
| return sign_extend (word, 16); |
| } |
| |
| /* Extract a 21 bit constant. */ |
| |
| static int |
| extract_21 (unsigned word) |
| { |
| int val; |
| |
| word &= MASK_21; |
| word <<= 11; |
| val = GET_FIELD (word, 20, 20); |
| val <<= 11; |
| val |= GET_FIELD (word, 9, 19); |
| val <<= 2; |
| val |= GET_FIELD (word, 5, 6); |
| val <<= 5; |
| val |= GET_FIELD (word, 0, 4); |
| val <<= 2; |
| val |= GET_FIELD (word, 7, 8); |
| return sign_extend (val, 21) << 11; |
| } |
| |
| /* Extract a 12 bit constant from branch instructions. */ |
| |
| static int |
| extract_12 (unsigned word) |
| { |
| return sign_extend (GET_FIELD (word, 19, 28) |
| | GET_FIELD (word, 29, 29) << 10 |
| | (word & 0x1) << 11, 12) << 2; |
| } |
| |
| /* Extract a 17 bit constant from branch instructions, returning the |
| 19 bit signed value. */ |
| |
| static int |
| extract_17 (unsigned word) |
| { |
| return sign_extend (GET_FIELD (word, 19, 28) |
| | GET_FIELD (word, 29, 29) << 10 |
| | GET_FIELD (word, 11, 15) << 11 |
| | (word & 0x1) << 16, 17) << 2; |
| } |
| |
| static int |
| extract_22 (unsigned word) |
| { |
| return sign_extend (GET_FIELD (word, 19, 28) |
| | GET_FIELD (word, 29, 29) << 10 |
| | GET_FIELD (word, 11, 15) << 11 |
| | GET_FIELD (word, 6, 10) << 16 |
| | (word & 0x1) << 21, 22) << 2; |
| } |
| |
| /* Print one instruction. */ |
| |
| int |
| print_insn_hppa (bfd_vma memaddr, disassemble_info *info) |
| { |
| bfd_byte buffer[4]; |
| unsigned int insn, i; |
| |
| { |
| int status = |
| (*info->read_memory_func) (memaddr, buffer, sizeof (buffer), info); |
| if (status != 0) |
| { |
| (*info->memory_error_func) (status, memaddr, info); |
| return -1; |
| } |
| } |
| |
| insn = bfd_getb32 (buffer); |
| |
| for (i = 0; i < NUMOPCODES; ++i) |
| { |
| const struct pa_opcode *opcode = &pa_opcodes[i]; |
| |
| if ((insn & opcode->mask) == opcode->match) |
| { |
| const char *s; |
| #ifndef BFD64 |
| if (opcode->arch == pa20w) |
| continue; |
| #endif |
| (*info->fprintf_func) (info->stream, "%s", opcode->name); |
| |
| if (!strchr ("cfCY?-+nHNZFIuv{", opcode->args[0])) |
| (*info->fprintf_func) (info->stream, " "); |
| for (s = opcode->args; *s != '\0'; ++s) |
| { |
| switch (*s) |
| { |
| case 'x': |
| fput_reg (GET_FIELD (insn, 11, 15), info); |
| break; |
| case 'a': |
| case 'b': |
| fput_reg (GET_FIELD (insn, 6, 10), info); |
| break; |
| case '^': |
| fput_creg (GET_FIELD (insn, 6, 10), info); |
| break; |
| case 't': |
| fput_reg (GET_FIELD (insn, 27, 31), info); |
| break; |
| |
| /* Handle floating point registers. */ |
| case 'f': |
| switch (*++s) |
| { |
| case 't': |
| fput_fp_reg (GET_FIELD (insn, 27, 31), info); |
| break; |
| case 'T': |
| if (GET_FIELD (insn, 25, 25)) |
| fput_fp_reg_r (GET_FIELD (insn, 27, 31), info); |
| else |
| fput_fp_reg (GET_FIELD (insn, 27, 31), info); |
| break; |
| case 'a': |
| if (GET_FIELD (insn, 25, 25)) |
| fput_fp_reg_r (GET_FIELD (insn, 6, 10), info); |
| else |
| fput_fp_reg (GET_FIELD (insn, 6, 10), info); |
| break; |
| |
| /* 'fA' will not generate a space before the regsiter |
| name. Normally that is fine. Except that it |
| causes problems with xmpyu which has no FP format |
| completer. */ |
| case 'X': |
| fputs_filtered (" ", info); |
| /* FALLTHRU */ |
| |
| case 'A': |
| if (GET_FIELD (insn, 24, 24)) |
| fput_fp_reg_r (GET_FIELD (insn, 6, 10), info); |
| else |
| fput_fp_reg (GET_FIELD (insn, 6, 10), info); |
| break; |
| case 'b': |
| if (GET_FIELD (insn, 25, 25)) |
| fput_fp_reg_r (GET_FIELD (insn, 11, 15), info); |
| else |
| fput_fp_reg (GET_FIELD (insn, 11, 15), info); |
| break; |
| case 'B': |
| if (GET_FIELD (insn, 19, 19)) |
| fput_fp_reg_r (GET_FIELD (insn, 11, 15), info); |
| else |
| fput_fp_reg (GET_FIELD (insn, 11, 15), info); |
| break; |
| case 'C': |
| { |
| int reg = GET_FIELD (insn, 21, 22); |
| reg |= GET_FIELD (insn, 16, 18) << 2; |
| if (GET_FIELD (insn, 23, 23) != 0) |
| fput_fp_reg_r (reg, info); |
| else |
| fput_fp_reg (reg, info); |
| break; |
| } |
| case 'i': |
| { |
| int reg = GET_FIELD (insn, 6, 10); |
| |
| reg |= (GET_FIELD (insn, 26, 26) << 4); |
| fput_fp_reg (reg, info); |
| break; |
| } |
| case 'j': |
| { |
| int reg = GET_FIELD (insn, 11, 15); |
| |
| reg |= (GET_FIELD (insn, 26, 26) << 4); |
| fput_fp_reg (reg, info); |
| break; |
| } |
| case 'k': |
| { |
| int reg = GET_FIELD (insn, 27, 31); |
| |
| reg |= (GET_FIELD (insn, 26, 26) << 4); |
| fput_fp_reg (reg, info); |
| break; |
| } |
| case 'l': |
| { |
| int reg = GET_FIELD (insn, 21, 25); |
| |
| reg |= (GET_FIELD (insn, 26, 26) << 4); |
| fput_fp_reg (reg, info); |
| break; |
| } |
| case 'm': |
| { |
| int reg = GET_FIELD (insn, 16, 20); |
| |
| reg |= (GET_FIELD (insn, 26, 26) << 4); |
| fput_fp_reg (reg, info); |
| break; |
| } |
| |
| /* 'fe' will not generate a space before the register |
| name. Normally that is fine. Except that it |
| causes problems with fstw fe,y(b) which has no FP |
| format completer. */ |
| case 'E': |
| fputs_filtered (" ", info); |
| /* FALLTHRU */ |
| |
| case 'e': |
| if (GET_FIELD (insn, 30, 30)) |
| fput_fp_reg_r (GET_FIELD (insn, 11, 15), info); |
| else |
| fput_fp_reg (GET_FIELD (insn, 11, 15), info); |
| break; |
| case 'x': |
| fput_fp_reg (GET_FIELD (insn, 11, 15), info); |
| break; |
| } |
| break; |
| |
| case '5': |
| fput_const (extract_5_load (insn), info); |
| break; |
| case 's': |
| { |
| int space = GET_FIELD (insn, 16, 17); |
| /* Zero means implicit addressing, not use of sr0. */ |
| if (space != 0) |
| (*info->fprintf_func) (info->stream, "sr%d", space); |
| } |
| break; |
| |
| case 'S': |
| (*info->fprintf_func) (info->stream, "sr%d", |
| extract_3 (insn)); |
| break; |
| |
| /* Handle completers. */ |
| case 'c': |
| switch (*++s) |
| { |
| case 'x': |
| (*info->fprintf_func) |
| (info->stream, "%s", |
| index_compl_names[GET_COMPL (insn)]); |
| break; |
| case 'X': |
| (*info->fprintf_func) |
| (info->stream, "%s ", |
| index_compl_names[GET_COMPL (insn)]); |
| break; |
| case 'm': |
| (*info->fprintf_func) |
| (info->stream, "%s", |
| short_ldst_compl_names[GET_COMPL (insn)]); |
| break; |
| case 'M': |
| (*info->fprintf_func) |
| (info->stream, "%s ", |
| short_ldst_compl_names[GET_COMPL (insn)]); |
| break; |
| case 'A': |
| (*info->fprintf_func) |
| (info->stream, "%s ", |
| short_bytes_compl_names[GET_COMPL (insn)]); |
| break; |
| case 's': |
| (*info->fprintf_func) |
| (info->stream, "%s", |
| short_bytes_compl_names[GET_COMPL (insn)]); |
| break; |
| case 'c': |
| case 'C': |
| switch (GET_FIELD (insn, 20, 21)) |
| { |
| case 1: |
| (*info->fprintf_func) (info->stream, ",bc "); |
| break; |
| case 2: |
| (*info->fprintf_func) (info->stream, ",sl "); |
| break; |
| default: |
| (*info->fprintf_func) (info->stream, " "); |
| } |
| break; |
| case 'd': |
| switch (GET_FIELD (insn, 20, 21)) |
| { |
| case 1: |
| (*info->fprintf_func) (info->stream, ",co "); |
| break; |
| default: |
| (*info->fprintf_func) (info->stream, " "); |
| } |
| break; |
| case 'o': |
| (*info->fprintf_func) (info->stream, ",o"); |
| break; |
| case 'g': |
| (*info->fprintf_func) (info->stream, ",gate"); |
| break; |
| case 'p': |
| (*info->fprintf_func) (info->stream, ",l,push"); |
| break; |
| case 'P': |
| (*info->fprintf_func) (info->stream, ",pop"); |
| break; |
| case 'l': |
| case 'L': |
| (*info->fprintf_func) (info->stream, ",l"); |
| break; |
| case 'w': |
| (*info->fprintf_func) |
| (info->stream, "%s ", |
| read_write_names[GET_FIELD (insn, 25, 25)]); |
| break; |
| case 'W': |
| (*info->fprintf_func) (info->stream, ",w "); |
| break; |
| case 'r': |
| if (GET_FIELD (insn, 23, 26) == 5) |
| (*info->fprintf_func) (info->stream, ",r"); |
| break; |
| case 'Z': |
| if (GET_FIELD (insn, 26, 26)) |
| (*info->fprintf_func) (info->stream, ",m "); |
| else |
| (*info->fprintf_func) (info->stream, " "); |
| break; |
| case 'i': |
| if (GET_FIELD (insn, 25, 25)) |
| (*info->fprintf_func) (info->stream, ",i"); |
| break; |
| case 'z': |
| if (!GET_FIELD (insn, 21, 21)) |
| (*info->fprintf_func) (info->stream, ",z"); |
| break; |
| case 'a': |
| (*info->fprintf_func) |
| (info->stream, "%s", |
| add_compl_names[GET_FIELD (insn, 20, 21)]); |
| break; |
| case 'Y': |
| (*info->fprintf_func) |
| (info->stream, ",dc%s", |
| add_compl_names[GET_FIELD (insn, 20, 21)]); |
| break; |
| case 'y': |
| (*info->fprintf_func) |
| (info->stream, ",c%s", |
| add_compl_names[GET_FIELD (insn, 20, 21)]); |
| break; |
| case 'v': |
| if (GET_FIELD (insn, 20, 20)) |
| (*info->fprintf_func) (info->stream, ",tsv"); |
| break; |
| case 't': |
| (*info->fprintf_func) (info->stream, ",tc"); |
| if (GET_FIELD (insn, 20, 20)) |
| (*info->fprintf_func) (info->stream, ",tsv"); |
| break; |
| case 'B': |
| (*info->fprintf_func) (info->stream, ",db"); |
| if (GET_FIELD (insn, 20, 20)) |
| (*info->fprintf_func) (info->stream, ",tsv"); |
| break; |
| case 'b': |
| (*info->fprintf_func) (info->stream, ",b"); |
| if (GET_FIELD (insn, 20, 20)) |
| (*info->fprintf_func) (info->stream, ",tsv"); |
| break; |
| case 'T': |
| if (GET_FIELD (insn, 25, 25)) |
| (*info->fprintf_func) (info->stream, ",tc"); |
| break; |
| case 'S': |
| /* EXTRD/W has a following condition. */ |
| if (*(s + 1) == '?') |
| (*info->fprintf_func) |
| (info->stream, "%s", |
| signed_unsigned_names[GET_FIELD (insn, 21, 21)]); |
| else |
| (*info->fprintf_func) |
| (info->stream, "%s ", |
| signed_unsigned_names[GET_FIELD (insn, 21, 21)]); |
| break; |
| case 'h': |
| (*info->fprintf_func) |
| (info->stream, "%s", |
| mix_half_names[GET_FIELD (insn, 17, 17)]); |
| break; |
| case 'H': |
| (*info->fprintf_func) |
| (info->stream, "%s ", |
| saturation_names[GET_FIELD (insn, 24, 25)]); |
| break; |
| case '*': |
| (*info->fprintf_func) |
| (info->stream, ",%d%d%d%d ", |
| GET_FIELD (insn, 17, 18), GET_FIELD (insn, 20, 21), |
| GET_FIELD (insn, 22, 23), GET_FIELD (insn, 24, 25)); |
| break; |
| |
| case 'q': |
| { |
| int m, a; |
| |
| m = GET_FIELD (insn, 28, 28); |
| a = GET_FIELD (insn, 29, 29); |
| |
| if (m && !a) |
| fputs_filtered (",ma ", info); |
| else if (m && a) |
| fputs_filtered (",mb ", info); |
| else |
| fputs_filtered (" ", info); |
| break; |
| } |
| |
| case 'J': |
| { |
| int opc = GET_FIELD (insn, 0, 5); |
| |
| if (opc == 0x16 || opc == 0x1e) |
| { |
| if (GET_FIELD (insn, 29, 29) == 0) |
| fputs_filtered (",ma ", info); |
| else |
| fputs_filtered (",mb ", info); |
| } |
| else |
| fputs_filtered (" ", info); |
| break; |
| } |
| |
| case 'e': |
| { |
| int opc = GET_FIELD (insn, 0, 5); |
| |
| if (opc == 0x13 || opc == 0x1b) |
| { |
| if (GET_FIELD (insn, 18, 18) == 1) |
| fputs_filtered (",mb ", info); |
| else |
| fputs_filtered (",ma ", info); |
| } |
| else if (opc == 0x17 || opc == 0x1f) |
| { |
| if (GET_FIELD (insn, 31, 31) == 1) |
| fputs_filtered (",ma ", info); |
| else |
| fputs_filtered (",mb ", info); |
| } |
| else |
| fputs_filtered (" ", info); |
| |
| break; |
| } |
| } |
| break; |
| |
| /* Handle conditions. */ |
| case '?': |
| { |
| s++; |
| switch (*s) |
| { |
| case 'f': |
| (*info->fprintf_func) |
| (info->stream, "%s ", |
| float_comp_names[GET_FIELD (insn, 27, 31)]); |
| break; |
| |
| /* These four conditions are for the set of instructions |
| which distinguish true/false conditions by opcode |
| rather than by the 'f' bit (sigh): comb, comib, |
| addb, addib. */ |
| case 't': |
| fputs_filtered |
| (compare_cond_names[GET_FIELD (insn, 16, 18)], info); |
| break; |
| case 'n': |
| fputs_filtered |
| (compare_cond_names[GET_FIELD (insn, 16, 18) |
| + GET_FIELD (insn, 4, 4) * 8], |
| info); |
| break; |
| case 'N': |
| fputs_filtered |
| (compare_cond_64_names[GET_FIELD (insn, 16, 18) |
| + GET_FIELD (insn, 2, 2) * 8], |
| info); |
| break; |
| case 'Q': |
| fputs_filtered |
| (cmpib_cond_64_names[GET_FIELD (insn, 16, 18)], |
| info); |
| break; |
| case '@': |
| fputs_filtered |
| (add_cond_names[GET_FIELD (insn, 16, 18) |
| + GET_FIELD (insn, 4, 4) * 8], |
| info); |
| break; |
| case 's': |
| (*info->fprintf_func) |
| (info->stream, "%s ", |
| compare_cond_names[GET_COND (insn)]); |
| break; |
| case 'S': |
| (*info->fprintf_func) |
| (info->stream, "%s ", |
| compare_cond_64_names[GET_COND (insn)]); |
| break; |
| case 'a': |
| (*info->fprintf_func) |
| (info->stream, "%s ", |
| add_cond_names[GET_COND (insn)]); |
| break; |
| case 'A': |
| (*info->fprintf_func) |
| (info->stream, "%s ", |
| add_cond_64_names[GET_COND (insn)]); |
| break; |
| case 'd': |
| (*info->fprintf_func) |
| (info->stream, "%s", |
| add_cond_names[GET_FIELD (insn, 16, 18)]); |
| break; |
| |
| case 'W': |
| (*info->fprintf_func) |
| (info->stream, "%s", |
| wide_add_cond_names[GET_FIELD (insn, 16, 18) + |
| GET_FIELD (insn, 4, 4) * 8]); |
| break; |
| |
| case 'l': |
| (*info->fprintf_func) |
| (info->stream, "%s ", |
| logical_cond_names[GET_COND (insn)]); |
| break; |
| case 'L': |
| (*info->fprintf_func) |
| (info->stream, "%s ", |
| logical_cond_64_names[GET_COND (insn)]); |
| break; |
| case 'u': |
| (*info->fprintf_func) |
| (info->stream, "%s ", |
| unit_cond_names[GET_COND (insn)]); |
| break; |
| case 'U': |
| (*info->fprintf_func) |
| (info->stream, "%s ", |
| unit_cond_64_names[GET_COND (insn)]); |
| break; |
| case 'y': |
| case 'x': |
| case 'b': |
| (*info->fprintf_func) |
| (info->stream, "%s", |
| shift_cond_names[GET_FIELD (insn, 16, 18)]); |
| |
| /* If the next character in args is 'n', it will handle |
| putting out the space. */ |
| if (s[1] != 'n') |
| (*info->fprintf_func) (info->stream, " "); |
| break; |
| case 'X': |
| (*info->fprintf_func) |
| (info->stream, "%s ", |
| shift_cond_64_names[GET_FIELD (insn, 16, 18)]); |
| break; |
| case 'B': |
| (*info->fprintf_func) |
| (info->stream, "%s", |
| bb_cond_64_names[GET_FIELD (insn, 16, 16)]); |
| |
| /* If the next character in args is 'n', it will handle |
| putting out the space. */ |
| if (s[1] != 'n') |
| (*info->fprintf_func) (info->stream, " "); |
| break; |
| } |
| break; |
| } |
| |
| case 'V': |
| fput_const (extract_5_store (insn), info); |
| break; |
| case 'r': |
| fput_const (extract_5r_store (insn), info); |
| break; |
| case 'R': |
| fput_const (extract_5R_store (insn), info); |
| break; |
| case 'U': |
| fput_const (extract_10U_store (insn), info); |
| break; |
| case 'B': |
| case 'Q': |
| fput_const (extract_5Q_store (insn), info); |
| break; |
| case 'i': |
| fput_const (extract_11 (insn), info); |
| break; |
| case 'j': |
| fput_const (extract_14 (insn), info); |
| break; |
| case 'k': |
| fputs_filtered ("L%", info); |
| fput_const (extract_21 (insn), info); |
| break; |
| case '<': |
| case 'l': |
| /* 16-bit long disp., PA2.0 wide only. */ |
| fput_const (extract_16 (insn), info); |
| break; |
| case 'n': |
| if (insn & 0x2) |
| (*info->fprintf_func) (info->stream, ",n "); |
| else |
| (*info->fprintf_func) (info->stream, " "); |
| break; |
| case 'N': |
| if ((insn & 0x20) && s[1]) |
| (*info->fprintf_func) (info->stream, ",n "); |
| else if (insn & 0x20) |
| (*info->fprintf_func) (info->stream, ",n"); |
| else if (s[1]) |
| (*info->fprintf_func) (info->stream, " "); |
| break; |
| case 'w': |
| (*info->print_address_func) |
| (memaddr + 8 + extract_12 (insn), info); |
| break; |
| case 'W': |
| /* 17 bit PC-relative branch. */ |
| (*info->print_address_func) |
| ((memaddr + 8 + extract_17 (insn)), info); |
| break; |
| case 'z': |
| /* 17 bit displacement. This is an offset from a register |
| so it gets disasssembled as just a number, not any sort |
| of address. */ |
| fput_const (extract_17 (insn), info); |
| break; |
| |
| case 'Z': |
| /* addil %r1 implicit output. */ |
| fputs_filtered ("r1", info); |
| break; |
| |
| case 'Y': |
| /* be,l %sr0,%r31 implicit output. */ |
| fputs_filtered ("sr0,r31", info); |
| break; |
| |
| case '@': |
| (*info->fprintf_func) (info->stream, "0"); |
| break; |
| |
| case '.': |
| (*info->fprintf_func) (info->stream, "%d", |
| GET_FIELD (insn, 24, 25)); |
| break; |
| case '*': |
| (*info->fprintf_func) (info->stream, "%d", |
| GET_FIELD (insn, 22, 25)); |
| break; |
| case '!': |
| fputs_filtered ("sar", info); |
| break; |
| case 'p': |
| (*info->fprintf_func) (info->stream, "%d", |
| 31 - GET_FIELD (insn, 22, 26)); |
| break; |
| case '~': |
| { |
| int num; |
| num = GET_FIELD (insn, 20, 20) << 5; |
| num |= GET_FIELD (insn, 22, 26); |
| (*info->fprintf_func) (info->stream, "%d", 63 - num); |
| break; |
| } |
| case 'P': |
| (*info->fprintf_func) (info->stream, "%d", |
| GET_FIELD (insn, 22, 26)); |
| break; |
| case 'q': |
| { |
| int num; |
| num = GET_FIELD (insn, 20, 20) << 5; |
| num |= GET_FIELD (insn, 22, 26); |
| (*info->fprintf_func) (info->stream, "%d", num); |
| break; |
| } |
| case 'T': |
| (*info->fprintf_func) (info->stream, "%d", |
| 32 - GET_FIELD (insn, 27, 31)); |
| break; |
| case '%': |
| { |
| int num; |
| num = (GET_FIELD (insn, 23, 23) + 1) * 32; |
| num -= GET_FIELD (insn, 27, 31); |
| (*info->fprintf_func) (info->stream, "%d", num); |
| break; |
| } |
| case '|': |
| { |
| int num; |
| num = (GET_FIELD (insn, 19, 19) + 1) * 32; |
| num -= GET_FIELD (insn, 27, 31); |
| (*info->fprintf_func) (info->stream, "%d", num); |
| break; |
| } |
| case '$': |
| fput_const (GET_FIELD (insn, 20, 28), info); |
| break; |
| case 'A': |
| fput_const (GET_FIELD (insn, 6, 18), info); |
| break; |
| case 'D': |
| fput_const (GET_FIELD (insn, 6, 31), info); |
| break; |
| case 'v': |
| (*info->fprintf_func) (info->stream, ",%d", |
| GET_FIELD (insn, 23, 25)); |
| break; |
| case 'O': |
| fput_const ((GET_FIELD (insn, 6,20) << 5 | |
| GET_FIELD (insn, 27, 31)), info); |
| break; |
| case 'o': |
| fput_const (GET_FIELD (insn, 6, 20), info); |
| break; |
| case '2': |
| fput_const ((GET_FIELD (insn, 6, 22) << 5 | |
| GET_FIELD (insn, 27, 31)), info); |
| break; |
| case '1': |
| fput_const ((GET_FIELD (insn, 11, 20) << 5 | |
| GET_FIELD (insn, 27, 31)), info); |
| break; |
| case '0': |
| fput_const ((GET_FIELD (insn, 16, 20) << 5 | |
| GET_FIELD (insn, 27, 31)), info); |
| break; |
| case 'u': |
| (*info->fprintf_func) (info->stream, ",%d", |
| GET_FIELD (insn, 23, 25)); |
| break; |
| case 'F': |
| /* If no destination completer and not before a completer |
| for fcmp, need a space here. */ |
| if (s[1] == 'G' || s[1] == '?') |
| fputs_filtered |
| (float_format_names[GET_FIELD (insn, 19, 20)], info); |
| else |
| (*info->fprintf_func) |
| (info->stream, "%s ", |
| float_format_names[GET_FIELD (insn, 19, 20)]); |
| break; |
| case 'G': |
| (*info->fprintf_func) |
| (info->stream, "%s ", |
| float_format_names[GET_FIELD (insn, 17, 18)]); |
| break; |
| case 'H': |
| if (GET_FIELD (insn, 26, 26) == 1) |
| (*info->fprintf_func) (info->stream, "%s ", |
| float_format_names[0]); |
| else |
| (*info->fprintf_func) (info->stream, "%s ", |
| float_format_names[1]); |
| break; |
| case 'I': |
| /* If no destination completer and not before a completer |
| for fcmp, need a space here. */ |
| if (s[1] == '?') |
| fputs_filtered |
| (float_format_names[GET_FIELD (insn, 20, 20)], info); |
| else |
| (*info->fprintf_func) |
| (info->stream, "%s ", |
| float_format_names[GET_FIELD (insn, 20, 20)]); |
| break; |
| |
| case 'J': |
| fput_const (extract_14 (insn), info); |
| break; |
| |
| case '#': |
| { |
| int sign = GET_FIELD (insn, 31, 31); |
| int imm10 = GET_FIELD (insn, 18, 27); |
| int disp; |
| |
| if (sign) |
| disp = (-1U << 10) | imm10; |
| else |
| disp = imm10; |
| |
| disp <<= 3; |
| fput_const (disp, info); |
| break; |
| } |
| case 'K': |
| case 'd': |
| { |
| int sign = GET_FIELD (insn, 31, 31); |
| int imm11 = GET_FIELD (insn, 18, 28); |
| int disp; |
| |
| if (sign) |
| disp = (-1U << 11) | imm11; |
| else |
| disp = imm11; |
| |
| disp <<= 2; |
| fput_const (disp, info); |
| break; |
| } |
| |
| case '>': |
| case 'y': |
| { |
| /* 16-bit long disp., PA2.0 wide only. */ |
| int disp = extract_16 (insn); |
| disp &= ~3; |
| fput_const (disp, info); |
| break; |
| } |
| |
| case '&': |
| { |
| /* 16-bit long disp., PA2.0 wide only. */ |
| int disp = extract_16 (insn); |
| disp &= ~7; |
| fput_const (disp, info); |
| break; |
| } |
| |
| case '_': |
| break; /* Dealt with by '{' */ |
| |
| case '{': |
| { |
| int sub = GET_FIELD (insn, 14, 16); |
| int df = GET_FIELD (insn, 17, 18); |
| int sf = GET_FIELD (insn, 19, 20); |
| const char * const * source = float_format_names; |
| const char * const * dest = float_format_names; |
| char *t = ""; |
| |
| if (sub == 4) |
| { |
| fputs_filtered (",UND ", info); |
| break; |
| } |
| if ((sub & 3) == 3) |
| t = ",t"; |
| if ((sub & 3) == 1) |
| source = sub & 4 ? fcnv_ufixed_names : fcnv_fixed_names; |
| if (sub & 2) |
| dest = sub & 4 ? fcnv_ufixed_names : fcnv_fixed_names; |
| |
| (*info->fprintf_func) (info->stream, "%s%s%s ", |
| t, source[sf], dest[df]); |
| break; |
| } |
| |
| case 'm': |
| { |
| int y = GET_FIELD (insn, 16, 18); |
| |
| if (y != 1) |
| fput_const ((y ^ 1) - 1, info); |
| } |
| break; |
| |
| case 'h': |
| { |
| int cbit; |
| |
| cbit = GET_FIELD (insn, 16, 18); |
| |
| if (cbit > 0) |
| (*info->fprintf_func) (info->stream, ",%d", cbit - 1); |
| break; |
| } |
| |
| case '=': |
| { |
| int cond = GET_FIELD (insn, 27, 31); |
| |
| switch (cond) |
| { |
| case 0: fputs_filtered (" ", info); break; |
| case 1: fputs_filtered ("acc ", info); break; |
| case 2: fputs_filtered ("rej ", info); break; |
| case 5: fputs_filtered ("acc8 ", info); break; |
| case 6: fputs_filtered ("rej8 ", info); break; |
| case 9: fputs_filtered ("acc6 ", info); break; |
| case 13: fputs_filtered ("acc4 ", info); break; |
| case 17: fputs_filtered ("acc2 ", info); break; |
| default: break; |
| } |
| break; |
| } |
| |
| case 'X': |
| (*info->print_address_func) |
| (memaddr + 8 + extract_22 (insn), info); |
| break; |
| case 'L': |
| fputs_filtered (",rp", info); |
| break; |
| default: |
| (*info->fprintf_func) (info->stream, "%c", *s); |
| break; |
| } |
| } |
| return sizeof (insn); |
| } |
| } |
| (*info->fprintf_func) (info->stream, "#%8x", insn); |
| return sizeof (insn); |
| } |