From ca504dff718a52000ec01ded87b3fcab217b6b79 Mon Sep 17 00:00:00 2001 From: Alan Modra Date: Tue, 25 Feb 2003 03:22:06 +0000 Subject: [PATCH] * hppa-dis.c: Formatting. * hppa-dis.c (print_insn_hppa): Implement fcnv instruction modifiers. --- opcodes/ChangeLog | 6 + opcodes/hppa-dis.c | 330 ++++++++++++++++++++++++++------------------- 2 files changed, 194 insertions(+), 142 deletions(-) diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog index 596567d01c4..42cf2571cf5 100644 --- a/opcodes/ChangeLog +++ b/opcodes/ChangeLog @@ -1,5 +1,11 @@ +2003-02-25 Alan Modra + + * hppa-dis.c: Formatting. + 2003-02-25 Matthew Wilcox + * hppa-dis.c (print_insn_hppa): Implement fcnv instruction modifiers. + * hppa-dis.c (print_insn_hppa <2 bit space register>): Do not print the space register when the value is zero. diff --git a/opcodes/hppa-dis.c b/opcodes/hppa-dis.c index 4a7bde225e2..5f33297d753 100644 --- a/opcodes/hppa-dis.c +++ b/opcodes/hppa-dis.c @@ -1,5 +1,5 @@ /* Disassembler for the PA-RISC. Somewhat derived from sparc-pinsn.c. - Copyright 1989, 1990, 1992, 1993, 1994, 1995, 1998, 1999, 2000, 2001 + Copyright 1989, 1990, 1992, 1993, 1994, 1995, 1998, 1999, 2000, 2001, 2003 Free Software Foundation, Inc. Contributed by the Center for Software Science at the @@ -26,7 +26,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* Integer register names, indexed by the numbers which appear in the opcodes. */ -static const char *const reg_names[] = +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", @@ -34,10 +34,10 @@ static const char *const reg_names[] = /* 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", +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"}; @@ -123,6 +123,8 @@ 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", ",?=", ",!<>", @@ -136,7 +138,7 @@ 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 +/* 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) @@ -194,8 +196,8 @@ fput_fp_reg_r (reg, info) 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"); + (*info->fprintf_func) (info->stream, "%sR", + reg ? fp_reg_names[reg] : "fr0"); } static void @@ -336,8 +338,8 @@ extract_12 (word) unsigned word; { return sign_extend (GET_FIELD (word, 19, 28) | - GET_FIELD (word, 29, 29) << 10 | - (word & 0x1) << 11, 12) << 2; + GET_FIELD (word, 29, 29) << 10 | + (word & 0x1) << 11, 12) << 2; } /* Extract a 17 bit constant from branch instructions, returning the @@ -348,9 +350,9 @@ extract_17 (word) 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; + GET_FIELD (word, 29, 29) << 10 | + GET_FIELD (word, 11, 15) << 11 | + (word & 0x1) << 16, 17) << 2; } static int @@ -358,10 +360,10 @@ extract_22 (word) 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; + 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. */ @@ -397,7 +399,7 @@ print_insn_hppa (memaddr, info) #endif (*info->fprintf_func) (info->stream, "%s", opcode->name); - if (!strchr ("cfCY?-+nHNZFIuv", opcode->args[0])) + if (!strchr ("cfCY?-+nHNZFIuv{", opcode->args[0])) (*info->fprintf_func) (info->stream, " "); for (s = opcode->args; *s != '\0'; ++s) { @@ -417,7 +419,7 @@ print_insn_hppa (memaddr, info) fput_reg (GET_FIELD (insn, 27, 31), info); break; - /* Handle floating point registers. */ + /* Handle floating point registers. */ case 'f': switch (*++s) { @@ -437,21 +439,19 @@ print_insn_hppa (memaddr, info) 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. */ + /* '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 */ + /* 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)) @@ -516,14 +516,13 @@ print_insn_hppa (memaddr, 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. */ + /* '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 */ + /* FALLTHRU */ case 'e': if (GET_FIELD (insn, 30, 30)) @@ -550,36 +549,43 @@ print_insn_hppa (memaddr, info) break; case 'S': - (*info->fprintf_func) (info->stream, "sr%d", extract_3 (insn)); + (*info->fprintf_func) (info->stream, "sr%d", + extract_3 (insn)); break; - /* Handle completers. */ + /* Handle completers. */ case 'c': switch (*++s) { case 'x': - (*info->fprintf_func) (info->stream, "%s", - index_compl_names[GET_COMPL (insn)]); + (*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)]); + (*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)]); + (*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)]); + (*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)]); + (*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)]); + (*info->fprintf_func) + (info->stream, "%s", + short_bytes_compl_names[GET_COMPL (insn)]); break; case 'c': case 'C': @@ -622,8 +628,9 @@ print_insn_hppa (memaddr, info) (*info->fprintf_func) (info->stream, ",l"); break; case 'w': - (*info->fprintf_func) (info->stream, "%s ", - read_write_names[GET_FIELD (insn, 25, 25)]); + (*info->fprintf_func) + (info->stream, "%s ", + read_write_names[GET_FIELD (insn, 25, 25)]); break; case 'W': (*info->fprintf_func) (info->stream, ",w"); @@ -648,18 +655,18 @@ print_insn_hppa (memaddr, info) break; case 'a': (*info->fprintf_func) - (info->stream, "%s", add_compl_names[GET_FIELD - (insn, 20, 21)]); + (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)]); + (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)]); + (info->stream, ",c%s", + add_compl_names[GET_FIELD (insn, 20, 21)]); break; case 'v': if (GET_FIELD (insn, 20, 20)) @@ -688,28 +695,28 @@ print_insn_hppa (memaddr, info) /* EXTRD/W has a following condition. */ if (*(s + 1) == '?') (*info->fprintf_func) - (info->stream, "%s", signed_unsigned_names[GET_FIELD - (insn, 21, 21)]); + (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)]); + (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)]); + (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)]); + (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)); + (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': @@ -770,85 +777,101 @@ print_insn_hppa (memaddr, info) } break; - /* Handle conditions. */ + /* Handle conditions. */ case '?': { s++; switch (*s) { case 'f': - (*info->fprintf_func) (info->stream, "%s ", - float_comp_names[GET_FIELD - (insn, 27, 31)]); + (*info->fprintf_func) + (info->stream, "%s ", + float_comp_names[GET_FIELD (insn, 27, 31)]); break; - /* these four conditions are for the set of instructions + /* 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); + 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); + 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); + 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); + 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); + 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)]); + (*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)]); + (*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)]); + (*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)]); + (*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)]); + (*info->fprintf_func) + (info->stream, "%s", + add_cond_names[GET_FIELD (insn, 16, 18)]); break; case 'W': - (*info->fprintf_func) + (*info->fprintf_func) (info->stream, "%s", - wide_add_cond_names[GET_FIELD (insn, 16, 18) + - GET_FIELD (insn, 4, 4) * 8]); + 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)]); + (*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)]); + (*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)]); + (*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)]); + (*info->fprintf_func) + (info->stream, "%s ", + unit_cond_64_names[GET_COND (insn)]); break; case 'y': case 'x': @@ -863,8 +886,9 @@ print_insn_hppa (memaddr, info) (*info->fprintf_func) (info->stream, " "); break; case 'X': - (*info->fprintf_func) (info->stream, "%s ", - shift_cond_64_names[GET_FIELD (insn, 16, 18)]); + (*info->fprintf_func) + (info->stream, "%s ", + shift_cond_64_names[GET_FIELD (insn, 16, 18)]); break; case 'B': (*info->fprintf_func) @@ -925,14 +949,13 @@ print_insn_hppa (memaddr, info) (*info->fprintf_func) (info->stream, " "); break; case 'w': - (*info->print_address_func) (memaddr + 8 + extract_12 (insn), - info); + (*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); + (*info->print_address_func) + ((memaddr + 8 + extract_17 (insn)), info); break; case 'z': /* 17 bit displacement. This is an offset from a register @@ -950,25 +973,25 @@ print_insn_hppa (memaddr, info) /* be,l %sr0,%r31 implicit output. */ (*info->fprintf_func) (info->stream, "%%sr0,%%r31"); break; - + case '@': (*info->fprintf_func) (info->stream, "0"); break; case '.': (*info->fprintf_func) (info->stream, "%d", - GET_FIELD (insn, 24, 25)); + GET_FIELD (insn, 24, 25)); break; case '*': (*info->fprintf_func) (info->stream, "%d", - GET_FIELD (insn, 22, 25)); + GET_FIELD (insn, 22, 25)); break; case '!': (*info->fprintf_func) (info->stream, "%%sar"); break; case 'p': (*info->fprintf_func) (info->stream, "%d", - 31 - GET_FIELD (insn, 22, 26)); + 31 - GET_FIELD (insn, 22, 26)); break; case '~': { @@ -980,7 +1003,7 @@ print_insn_hppa (memaddr, info) } case 'P': (*info->fprintf_func) (info->stream, "%d", - GET_FIELD (insn, 22, 26)); + GET_FIELD (insn, 22, 26)); break; case 'q': { @@ -992,7 +1015,7 @@ print_insn_hppa (memaddr, info) } case 'T': (*info->fprintf_func) (info->stream, "%d", - 32 - GET_FIELD (insn, 27, 31)); + 32 - GET_FIELD (insn, 27, 31)); break; case '%': { @@ -1020,7 +1043,8 @@ print_insn_hppa (memaddr, info) fput_const (GET_FIELD (insn, 6, 31), info); break; case 'v': - (*info->fprintf_func) (info->stream, ",%d", GET_FIELD (insn, 23, 25)); + (*info->fprintf_func) (info->stream, ",%d", + GET_FIELD (insn, 23, 25)); break; case 'O': fput_const ((GET_FIELD (insn, 6,20) << 5 | @@ -1042,47 +1066,48 @@ print_insn_hppa (memaddr, info) GET_FIELD (insn, 27, 31)), info); break; case 'u': - (*info->fprintf_func) (info->stream, ",%d", GET_FIELD (insn, 23, 25)); + (*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); + 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)]); + (*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)]); + (*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]); + float_format_names[0]); else (*info->fprintf_func) (info->stream, "%s ", - float_format_names[1]); + 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); + 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)]); + (*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 'J': + fput_const (extract_14 (insn), info); + break; case '#': { @@ -1099,7 +1124,7 @@ print_insn_hppa (memaddr, info) fput_const (disp, info); break; } - case 'K': + case 'K': case 'd': { int sign = GET_FIELD (insn, 31, 31); @@ -1135,11 +1160,33 @@ print_insn_hppa (memaddr, info) break; } - /* ?!? FIXME */ case '_': + break; /* Dealt with by '{' */ + case '{': - fputs_filtered ("Disassembler botch.\n", info); - break; + { + 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': { @@ -1185,9 +1232,8 @@ print_insn_hppa (memaddr, info) } case 'X': - (*info->print_address_func) ((memaddr + 8 - + extract_22 (insn)), - info); + (*info->print_address_func) + (memaddr + 8 + extract_22 (insn), info); break; case 'L': fputs_filtered (",%r2", info); -- 2.30.2