diff options
Diffstat (limited to 'opcodes/hppa-dis.c')
| -rw-r--r-- | opcodes/hppa-dis.c | 260 |
1 files changed, 121 insertions, 139 deletions
diff --git a/opcodes/hppa-dis.c b/opcodes/hppa-dis.c index 5dfe973..56f355e 100644 --- a/opcodes/hppa-dis.c +++ b/opcodes/hppa-dis.c @@ -1,23 +1,24 @@ /* Disassembler for the PA-RISC. Somewhat derived from sparc-pinsn.c. - Copyright 1989, 1990, 1992, 1993, 1994, 1995, 1998, 1999, 2000, 2001, 2003 - Free Software Foundation, Inc. + Copyright 1989, 1990, 1992, 1993, 1994, 1995, 1998, 1999, 2000, 2001, 2003, + 2005 Free Software Foundation, Inc. Contributed by the Center for Software Science at the University of Utah (pa-gdb-bugs@cs.utah.edu). -This program 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 2 of the License, or -(at your option) any later version. + This program 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 2 of the License, or + (at your option) any later version. -This program 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. + This program 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. */ + 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" @@ -27,32 +28,36 @@ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. /* 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", +{ + "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"}; + "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", +{ + "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"}; + "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_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) */ +/* 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)) @@ -63,7 +68,8 @@ typedef unsigned int CORE_ADDR; /* 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[] = { +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", @@ -71,55 +77,69 @@ static const char *const control_reg[] = { "tr4", "tr5", "tr6", "tr7" }; -static const char *const compare_cond_names[] = { +static const char *const compare_cond_names[] = +{ "", ",=", ",<", ",<=", ",<<", ",<<=", ",sv", ",od", ",tr", ",<>", ",>=", ",>", ",>>=", ",>>", ",nsv", ",ev" }; -static const char *const compare_cond_64_names[] = { +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 cmpib_cond_64_names[] = +{ ",*<<", ",*=", ",*<", ",*<=", ",*>>=", ",*<>", ",*>=", ",*>" }; -static const char *const add_cond_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[] = { +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[] = { +static const char *const wide_add_cond_names[] = +{ "", ",=", ",<", ",<=", ",nuv", ",*=", ",*<", ",*<=", ",tr", ",<>", ",>=", ",>", ",uv", ",*<>", ",*>=", ",*>" }; -static const char *const logical_cond_names[] = { +static const char *const logical_cond_names[] = +{ "", ",=", ",<", ",<=", 0, 0, 0, ",od", ",tr", ",<>", ",>=", ",>", 0, 0, 0, ",ev"}; -static const char *const logical_cond_64_names[] = { +static const char *const logical_cond_64_names[] = +{ "", ",*=", ",*<", ",*<=", 0, 0, 0, ",*od", ",*tr", ",*<>", ",*>=", ",*>", 0, 0, 0, ",*ev"}; -static const char *const unit_cond_names[] = { +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[] = { +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[] = { +static const char *const shift_cond_names[] = +{ "", ",=", ",<", ",od", ",tr", ",<>", ",>=", ",ev" }; -static const char *const shift_cond_64_names[] = { +static const char *const shift_cond_64_names[] = +{ "", ",*=", ",*<", ",*od", ",*tr", ",*<>", ",*>=", ",*ev" }; -static const char *const bb_cond_64_names[] = { +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[] = { +static const char *const short_bytes_compl_names[] = +{ "", ",b,m", ",e", ",e,m" }; static const char *const float_format_names[] = {",sgl", ",dbl", "", ",quad"}; @@ -146,51 +166,25 @@ static const char *const add_compl_names[] = { 0, "", ",l", ",tsv" }; #define GET_COND(insn) (GET_FIELD ((insn), 16, 18) + \ (GET_FIELD ((insn), 19, 19) ? 8 : 0)) -static void fput_reg PARAMS ((unsigned int, disassemble_info *)); -static void fput_fp_reg PARAMS ((unsigned int, disassemble_info *)); -static void fput_fp_reg_r PARAMS ((unsigned int, disassemble_info *)); -static void fput_creg PARAMS ((unsigned int, disassemble_info *)); -static void fput_const PARAMS ((unsigned int, disassemble_info *)); -static int extract_3 PARAMS ((unsigned int)); -static int extract_5_load PARAMS ((unsigned int)); -static int extract_5_store PARAMS ((unsigned int)); -static unsigned extract_5r_store PARAMS ((unsigned int)); -static unsigned extract_5R_store PARAMS ((unsigned int)); -static unsigned extract_10U_store PARAMS ((unsigned int)); -static unsigned extract_5Q_store PARAMS ((unsigned int)); -static int extract_11 PARAMS ((unsigned int)); -static int extract_14 PARAMS ((unsigned int)); -static int extract_16 PARAMS ((unsigned int)); -static int extract_21 PARAMS ((unsigned int)); -static int extract_12 PARAMS ((unsigned int)); -static int extract_17 PARAMS ((unsigned int)); -static int extract_22 PARAMS ((unsigned int)); - /* 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 (reg, info) - unsigned reg; - disassemble_info *info; +fput_reg (unsigned reg, disassemble_info *info) { (*info->fprintf_func) (info->stream, reg ? reg_names[reg] : "r0"); } static void -fput_fp_reg (reg, info) - unsigned reg; - disassemble_info *info; +fput_fp_reg (unsigned reg, disassemble_info *info) { (*info->fprintf_func) (info->stream, reg ? fp_reg_names[reg] : "fr0"); } static void -fput_fp_reg_r (reg, info) - unsigned reg; - disassemble_info *info; +fput_fp_reg_r (unsigned reg, disassemble_info *info) { /* Special case floating point exception registers. */ if (reg < 4) @@ -201,9 +195,7 @@ fput_fp_reg_r (reg, info) } static void -fput_creg (reg, info) - unsigned reg; - disassemble_info *info; +fput_creg (unsigned reg, disassemble_info *info) { (*info->fprintf_func) (info->stream, control_reg[reg]); } @@ -211,12 +203,10 @@ fput_creg (reg, info) /* Print constants with sign. */ static void -fput_const (num, info) - unsigned num; - disassemble_info *info; +fput_const (unsigned num, disassemble_info *info) { - if ((int)num < 0) - (*info->fprintf_func) (info->stream, "-%x", -(int)num); + if ((int) num < 0) + (*info->fprintf_func) (info->stream, "-%x", - (int) num); else (*info->fprintf_func) (info->stream, "%x", num); } @@ -226,81 +216,80 @@ fput_const (num, info) /* Extract a 3-bit space register number from a be, ble, mtsp or mfsp. */ static int -extract_3 (word) - unsigned word; +extract_3 (unsigned word) { return GET_FIELD (word, 18, 18) << 2 | GET_FIELD (word, 16, 17); } static int -extract_5_load (word) - unsigned word; +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 (word) - unsigned word; +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 (word) - unsigned word; +extract_5r_store (unsigned word) { return (word & MASK_5); } /* Extract the immediate field from a {sr}sm instruction. */ + static unsigned -extract_5R_store (word) - unsigned word; +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 (word) - unsigned word; +extract_10U_store (unsigned word) { return (word >> 16 & MASK_10); } /* Extract the immediate field from a bb instruction. */ + static unsigned -extract_5Q_store (word) - unsigned word; +extract_5Q_store (unsigned word) { return (word >> 21 & MASK_5); } /* Extract an 11 bit immediate field. */ + static int -extract_11 (word) - unsigned word; +extract_11 (unsigned word) { return low_sign_extend (word & MASK_11, 11); } /* Extract a 14 bit immediate field. */ + static int -extract_14 (word) - unsigned word; +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 (word) - unsigned word; +extract_16 (unsigned word) { int m15, m0, m1; + m0 = GET_BIT (word, 16); m1 = GET_BIT (word, 17); m15 = GET_BIT (word, 31); @@ -312,8 +301,7 @@ extract_16 (word) /* Extract a 21 bit constant. */ static int -extract_21 (word) - unsigned word; +extract_21 (unsigned word) { int val; @@ -334,43 +322,39 @@ extract_21 (word) /* Extract a 12 bit constant from branch instructions. */ static int -extract_12 (word) - unsigned word; +extract_12 (unsigned word) { - return sign_extend (GET_FIELD (word, 19, 28) | - GET_FIELD (word, 29, 29) << 10 | - (word & 0x1) << 11, 12) << 2; + 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 (word) - unsigned word; +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; + 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 (word) - unsigned word; +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; + 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 (memaddr, info) - bfd_vma memaddr; - disassemble_info *info; +print_insn_hppa (bfd_vma memaddr, disassemble_info *info) { bfd_byte buffer[4]; unsigned int insn, i; @@ -390,9 +374,10 @@ print_insn_hppa (memaddr, info) for (i = 0; i < NUMOPCODES; ++i) { const struct pa_opcode *opcode = &pa_opcodes[i]; + if ((insn & opcode->mask) == opcode->match) { - register const char *s; + const char *s; #ifndef BFD64 if (opcode->arch == pa20w) continue; @@ -789,10 +774,10 @@ print_insn_hppa (memaddr, info) 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 */ + addb, addib. */ case 't': fputs_filtered (compare_cond_names[GET_FIELD (insn, 16, 18)], info); @@ -1070,8 +1055,8 @@ print_insn_hppa (memaddr, info) GET_FIELD (insn, 23, 25)); break; case 'F': - /* if no destination completer and not before a completer - for fcmp, need a space here */ + /* 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); @@ -1094,8 +1079,8 @@ print_insn_hppa (memaddr, info) float_format_names[1]); break; case 'I': - /* if no destination completer and not before a completer - for fcmp, need a space here */ + /* 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); @@ -1171,6 +1156,7 @@ print_insn_hppa (memaddr, info) const char * const * source = float_format_names; const char * const * dest = float_format_names; char *t = ""; + if (sub == 4) { fputs_filtered (",UND ", info); @@ -1212,22 +1198,18 @@ print_insn_hppa (memaddr, info) { int cond = GET_FIELD (insn, 27, 31); - if (cond == 0) - fputs_filtered (" ", info); - else if (cond == 1) - fputs_filtered ("acc ", info); - else if (cond == 2) - fputs_filtered ("rej ", info); - else if (cond == 5) - fputs_filtered ("acc8 ", info); - else if (cond == 6) - fputs_filtered ("rej8 ", info); - else if (cond == 9) - fputs_filtered ("acc6 ", info); - else if (cond == 13) - fputs_filtered ("acc4 ", info); - else if (cond == 17) - fputs_filtered ("acc2 ", info); + 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; } @@ -1243,9 +1225,9 @@ print_insn_hppa (memaddr, info) break; } } - return sizeof(insn); + return sizeof (insn); } } (*info->fprintf_func) (info->stream, "#%8x", insn); - return sizeof(insn); + return sizeof (insn); } |