Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "defs.h"
-#include "symtab.h"
-#define OLD_TABLE
-#include "opcode/hppa.h"
+#include "dis-asm.h"
-static char *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 char *compare_cond_names[] =
-{ "", ",=", ",<", ",<=", ",<<", ",<<=", ",sv",
- ",od", ",tr", ",<>", ",>=", ",>", ",>>=",
- ",>>", ",nsv", ",ev"
- };
-
-static char *add_cond_names[] =
-{ "", ",=", ",<", ",<=", ",nuv", ",znv", ",sv",
- ",od", ",tr", ",<>", ",>=", ",>", ",uv",
- ",vnz", ",nsv", ",ev"
- };
-
-static char *logical_cond_names[] =
-{ "", ",=", ",<", ",<=", 0, 0, 0, ",od",
- ",tr", ",<>", ",>=", ",>", 0, 0, 0, ",ev"
- };
-
-static char *unit_cond_names[] =
-{ "", 0, ",sbz", ",shz", ",sdc", 0, ",sbc", ",shc",
- ",tr", 0, ",nbz", ",nhz", ",ndc", 0, ",nbc", ",nhc"
- };
-
-static char *shift_cond_names[] =
-{"", ",=", ",<", ",od", ",tr", ",<>", ",>=", ",ev"};
-
-static char *index_compl_names[] = {"", ",m", ",s", ",sm"};
-static char *short_ldst_compl_names[] = {"", ",ma", "", ",mb"};
-static char *short_bytes_compl_names[] = {"", ",b,m", ",e", ",e,m"};
-static char *float_format_names[] = {",sgl", ",dbl", ",quad"};
-static char *float_comp_names[] =
-{",false?", ",false", ",?", ",!<=>", ",=", ",=t", ",?=", ",!<>",
- ",!?>=", ",<", ",?<", ",!>=", ",!?>", ",<=", ",?<=", ",!>",
- ",!?<=", ",>", ",?>", ",!<=", ",!?<", ",>=", ",?>=", ",!<",
- ",!?=", ",<>", ",!=", ",!=t", ",!?", ",<=>", ",true?", ",true"
- };
-
-/* 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))
-
-static void fput_reg PARAMS ((unsigned reg, FILE *stream));
-static void fput_const PARAMS ((unsigned num, FILE *stream));
-static void fput_reg_r PARAMS ((unsigned reg, FILE *stream));
-static void fput_creg PARAMS ((unsigned reg, FILE *stream));
-
-/* Print one instruction from MEMADDR on STREAM. */
+/* Print the instruction at address MEMADDR in debugged memory,
+ on STREAM. Returns length of the instruction, in bytes. */
int
print_insn (memaddr, stream)
CORE_ADDR memaddr;
FILE *stream;
{
- long insn;
- unsigned int i, op;
-
- insn = read_memory_integer (memaddr, sizeof (insn));
-
- for (i = 0; i < NUMOPCODES; ++i)
- {
- const struct pa_opcode *opcode = &pa_opcodes[i];
- if ((insn & opcode->mask) == opcode->match)
- {
- register const char *s;
-
- fputs_filtered (opcode->name, stream);
-
- if (!index ("cCY<?!@-+&U>~nZFIM", opcode->args[0]))
- fputs_filtered (" ", stream);
- for (s = opcode->args; *s != '\0'; ++s)
- {
- switch (*s)
- {
- case 'x':
- fput_reg (GET_FIELD (insn, 11, 15), stream);
- break;
- case 'X':
- if (GET_FIELD (insn, 25, 25))
- fput_reg_r (GET_FIELD (insn, 11, 15), stream);
- else
- fput_reg (GET_FIELD (insn, 11, 15), stream);
- break;
- case 'b':
- fput_reg (GET_FIELD (insn, 6, 10), stream);
- break;
- case '^':
- fput_creg (GET_FIELD (insn, 6, 10), stream);
- break;
- case 'E':
- if (GET_FIELD (insn, 25, 25))
- fput_reg_r (GET_FIELD (insn, 6, 10), stream);
- else
- fput_reg (GET_FIELD (insn, 6, 10), stream);
- break;
- case 't':
- fput_reg (GET_FIELD (insn, 27, 31), stream);
- break;
- case 'v':
- if (GET_FIELD (insn, 25, 25))
- fput_reg_r (GET_FIELD (insn, 27, 31), stream);
- else
- fput_reg (GET_FIELD (insn, 27, 31), stream);
- break;
- case '4':
- fput_creg (GET_FIELD (insn, 6, 10), stream);
- break;
- case '6':
- fput_reg (GET_FIELD (insn, 11, 15), stream);
- break;
- case '7':
- fput_reg (GET_FIELD (insn, 27, 31), stream);
- break;
- case '8':
- fput_reg (GET_FIELD (insn, 16, 20), stream);
- break;
- case '9':
- fput_reg (GET_FIELD (insn, 21, 25), stream);
- break;
- case '5':
- fput_const (extract_5_load (insn), stream);
- break;
- /* case 's': */
- case 'S':
- fprintf_filtered (stream, "sr%d", extract_3 (insn));
- break;
- case 'c':
- fprintf_filtered (stream, "%s ",
- index_compl_names[GET_COMPL (insn)]);
- break;
- case 'C':
- fprintf_filtered (stream, "%s ",
- short_ldst_compl_names[GET_COMPL (insn)]);
- break;
- case 'Y':
- fprintf_filtered (stream, "%s ",
- short_bytes_compl_names[GET_COMPL (insn)]);
- 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 '<':
- fputs_filtered (compare_cond_names[GET_FIELD (insn, 16, 18)],
- stream);
- break;
- case '?':
- fputs_filtered (compare_cond_names[GET_FIELD (insn, 16, 18) + 8],
- stream);
- break;
- case '!':
- fputs_filtered (add_cond_names[GET_FIELD (insn, 16, 18)],
- stream);
- break;
- case '@':
- fputs_filtered (add_cond_names[GET_FIELD (insn, 16, 18) + 8],
- stream);
- break;
- case '-':
- fprintf_filtered (stream, "%s ",
- compare_cond_names[GET_COND (insn)]);
- break;
- case '+':
- fprintf_filtered (stream, "%s ",
- add_cond_names[GET_FIELD (insn, 16, 18)]);
- break;
-
- case '&':
- fprintf_filtered (stream, "%s ",
- logical_cond_names[GET_COND (insn)]);
- break;
- case 'U':
- fprintf_filtered (stream, "%s ",
- unit_cond_names[GET_COND (insn)]);
- break;
- case '>':
- case '~':
- fprintf_filtered (stream, "%s ",
- shift_cond_names[GET_FIELD (insn, 16, 18)]);
- break;
- case 'V':
- fput_const (extract_5_store (insn), stream);
- break;
- case 'r':
- fput_const (extract_5r_store (insn), stream);
- break;
- case 'R':
- fput_const (extract_5R_store (insn), stream);
- break;
- case 'i':
- fput_const (extract_11 (insn), stream);
- break;
- case 'j':
- fput_const (extract_14 (insn), stream);
- break;
- case 'k':
- fput_const (extract_21 (insn), stream);
- break;
- case 'n':
- if (insn & 0x2)
- fprintf_filtered (stream, ",n ");
- else
- fprintf_filtered (stream, " ");
- break;
- case 'w':
- print_address (memaddr + 8 + extract_12 (insn), stream);
- break;
- case 'W':
- op = GET_FIELD (insn, 0, 5);
-
- if (op == 0x38 /* be */ || op == 0x39 /* ble */)
- fput_const (extract_17 (insn), stream);
- else
- print_address (memaddr + 8 + extract_17 (insn), stream);
-
- break;
- case 'B':
- {
- int space;
- if (space = GET_FIELD (insn, 16, 17))
- fprintf_filtered (stream, "sr%d,", space);
- fput_reg (GET_FIELD (insn, 6, 10), stream);
- break;
- }
- case 'p':
- fprintf_filtered (stream, "%d",
- 31 - GET_FIELD (insn, 22, 26));
- break;
- case 'P':
- fprintf_filtered (stream, "%d",
- GET_FIELD (insn, 22, 26));
- break;
- case 'Q':
- fprintf_filtered (stream, "%d",
- GET_FIELD (insn, 11, 15));
- break;
- case 'T':
- fprintf_filtered (stream, "%d",
- 32 - GET_FIELD (insn, 27, 31));
- break;
- case 'A':
- fput_const (GET_FIELD (insn, 6, 18), stream);
- break;
- case 'Z':
- if (GET_FIELD (insn, 26, 26))
- fprintf_filtered (stream, ",m ");
- else
- fprintf_filtered (stream, " ");
- break;
- case 'D':
- fput_const (GET_FIELD (insn, 6, 31), stream);
- break;
- case 'f':
- fprintf_filtered (stream, ",%d", GET_FIELD (insn, 23, 25));
- break;
- case 'O':
- fput_const ((GET_FIELD (insn, 6,20) << 5 |
- GET_FIELD (insn, 27, 31)), stream);
- break;
- case 'o':
- fput_const (GET_FIELD (insn, 6, 20), stream);
- break;
- case '2':
- fput_const ((GET_FIELD (insn, 6, 22) << 5 |
- GET_FIELD (insn, 27, 31)), stream);
- break;
- case '1':
- fput_const ((GET_FIELD (insn, 11, 20) << 5 |
- GET_FIELD (insn, 27, 31)), stream);
- break;
- case '0':
- fput_const ((GET_FIELD (insn, 16, 20) << 5 |
- GET_FIELD (insn, 27, 31)), stream);
- break;
- case 'u':
- fprintf_filtered (stream, "%d", GET_FIELD (insn, 23, 25));
- break;
- case 'F':
- /* if no destination completer, need a space here */
- if (GET_FIELD (insn, 21, 22) == 1)
- fputs_filtered (float_format_names[GET_FIELD (insn, 19, 20)],
- stream);
- else
- fprintf_filtered (stream, "%s ",
- float_format_names[GET_FIELD
- (insn, 19, 20)]);
- break;
- case 'G':
- fprintf_filtered (stream, "%s ",
- float_format_names[GET_FIELD (insn,
- 17, 18)]);
- break;
- case 'H':
- fputs_filtered (float_format_names[GET_FIELD
- (insn, 26, 26)], stream);
- break;
- case 'I':
- /* if no destination completer, need a space here */
- if (GET_FIELD (insn, 21, 22) == 1)
- fputs_filtered (float_format_names[GET_FIELD (insn, 20, 20)],
- stream);
- else
- fprintf_filtered (stream, "%s ",
- float_format_names[GET_FIELD
- (insn, 20, 20)]);
- break;
- case 'J':
- if (GET_FIELD (insn, 24, 24))
- fput_reg_r (GET_FIELD (insn, 6, 10), stream);
- else
- fput_reg (GET_FIELD (insn, 6, 10), stream);
-
- break;
- case 'K':
- if (GET_FIELD (insn, 19, 19))
- fput_reg_r (GET_FIELD (insn, 11, 15), stream);
- else
- fput_reg (GET_FIELD (insn, 11, 15), stream);
- break;
- case 'M':
- fputs_filtered (float_comp_names[GET_FIELD (insn, 27, 31)],
- stream);
- break;
- case '}':
- fprintf_filtered (stream, "fp%d", GET_FIELD (insn, 6, 10));
- break;
- case '|':
- fprintf_filtered (stream, "fp%d", GET_FIELD (insn, 11, 15));
- break;
- case '{':
- if (GET_FIELD (insn, 23, 25) == 0)
- fprintf_filtered (stream, "fp%d",
- GET_FIELD (insn, 27, 31));
- else
- fprintf_filtered (stream, "cp%d",
- GET_FIELD (insn, 27, 31));
- break;
- default:
- fprintf_filtered (stream, "%c", *s);
- break;
- }
- }
-
-/* If this is an external branch, examine the previous instruction and see if
- it was an ldil that loaded something into the same base reg. If so, then
- calculate the branch target from the constants in both instructions, and
- print it out. */
-
- op = GET_FIELD (insn, 0, 5);
- if (op == 0x38 /* be */ || op == 0x39 /* ble */)
- {
- CORE_ADDR target_address;
- long prev_insn;
- int basereg, basereg_prev;
-
- target_address = extract_17 (insn);
- basereg = GET_FIELD (insn, 6, 10);
- if (basereg != 0)
- {
- prev_insn = read_memory_integer (memaddr - 4,
- sizeof(prev_insn));
- basereg_prev = GET_FIELD (prev_insn, 6, 10);
+ disassemble_info info;
- if ((prev_insn & 0xfc000000) == 0x20000000 /* ldil */
- && basereg == basereg_prev)
- target_address += extract_21 (prev_insn);
- }
- fprintf_filtered (stream, "\t! ");
- print_address (target_address, stream);
- }
+ GDB_INIT_DISASSEMBLE_INFO (info, stream);
- return sizeof(insn);
- }
- }
- fprintf_filtered (stream, "%#8x", insn);
- return sizeof(insn);
-}
-
-/* Utility function to print registers */
-
-static void
-fput_reg (reg, stream)
- unsigned reg;
- FILE *stream;
-{
- if (reg)
- fputs_filtered (reg_names[reg], stream);
- else
- fputs_filtered ("r0", stream);
-}
-
-void
-fput_reg_r (reg, stream)
- unsigned reg;
- FILE *stream;
-{
- if (reg)
- fputs_filtered (reg_names[reg], stream);
- else
- fputs_filtered ("r0", stream);
- fputs_filtered ("R", stream);
-}
-
-void
-fput_creg (reg, stream)
- unsigned reg;
- FILE *stream;
-{
- fputs_filtered (control_reg[reg], stream);
-}
-
-/* print constants with sign */
-
-void
-fput_const (num, stream)
- unsigned num;
- FILE *stream;
-{
- if ((int)num < 0)
- fprintf_filtered (stream, "-%x", -(int)num);
- else
- fprintf_filtered (stream, "%x", num);
+ return print_insn_hppa (memaddr, &info);
}
--- /dev/null
+/* Disassembler for the PA-RISC. Somewhat derived from sparc-pinsn.c.
+ Copyright 1989, 1990, 1992, 1993 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#include "dis-asm.h"
+#include "sysdep.h"
+#include "opcode/hppa.h"
+
+/* Initializer for an array of names of registers.
+ There should be NUM_REGS strings in this initializer. */
+
+#define REGISTER_NAMES \
+ {"flags", "r1", "rp", "r3", "r4", "r5", "r6", "r7", "r8", "r9", \
+ "r10", "r11", "r12", "r13", "r14", "r15", "r16", "r17", "r18", "r19", \
+ "r20", "r21", "r22", "arg3", "arg2", "arg1", "arg0", "dp", "ret0", "ret1", \
+ "sp", "r31", "sar", "pcoqh", "pcsqh", "pcoqt", "pcsqt", \
+ "eiem", "iir", "isr", "ior", "ipsw", "goto", "sr4", "sr0", "sr1", "sr2", \
+ "sr3", "sr5", "sr6", "sr7", "cr0", "cr8", "cr9", "ccr", "cr12", "cr13", \
+ "cr24", "cr25", "cr26", "mpsfu_high", "mpsfu_low", "mpsfu_ovflo", "pad", \
+ "fpsr", "fpe1", "fpe2", "fpe3", "fpe4", "fpe5", "fpe6", "fpe7", \
+ "fp4", "fp5", "fp6", "fp7", "fp8", \
+ "fp9", "fp10", "fp11", "fp12", "fp13", "fp14", "fp15", \
+ "fp16", "fp17", "fp18", "fp19", "fp20", "fp21", "fp22", "fp23", \
+ "fp24", "fp25", "fp26", "fp27", "fp28", "fp29", "fp30", "fp31"}
+
+static const char *const reg_names[] = REGISTER_NAMES;
+
+typedef unsigned int CORE_ADDR;
+
+/* Get at various relevent fields of an instruction word. */
+
+#define MASK_5 0x1f
+#define MASK_11 0x7ff
+#define MASK_14 0x3fff
+#define MASK_21 0x1fffff
+
+/* This macro gets bit fields using HP's numbering (MSB = 0) */
+
+#define GET_FIELD(X, FROM, TO) \
+ ((X) >> (31 - (TO)) & ((1 << ((TO) - (FROM) + 1)) - 1))
+
+/* 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 control_reg[][6] = {
+ "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 compare_cond_names[][5] = {
+ "", ",=", ",<", ",<=", ",<<", ",<<=", ",sv",
+ ",od", ",tr", ",<>", ",>=", ",>", ",>>=",
+ ",>>", ",nsv", ",ev"
+};
+static const char add_cond_names[][5] = {
+ "", ",=", ",<", ",<=", ",nuv", ",znv", ",sv",
+ ",od", ",tr", ",<>", ",>=", ",>", ",uv",
+ ",vnz", ",nsv", ",ev"
+};
+static const char *const logical_cond_names[] = {
+ "", ",=", ",<", ",<=", 0, 0, 0, ",od",
+ ",tr", ",<>", ",>=", ",>", 0, 0, 0, ",ev"};
+static const char *const unit_cond_names[] = {
+ "", 0, ",sbz", ",shz", ",sdc", 0, ",sbc", ",shc",
+ ",tr", 0, ",nbz", ",nhz", ",ndc", 0, ",nbc", ",nhc"
+};
+static const char shift_cond_names[][4] = {
+ "", ",=", ",<", ",od", ",tr", ",<>", ",>=", ",ev"
+};
+static const char index_compl_names[][4] = {"", ",m", ",s", ",sm"};
+static const char short_ldst_compl_names[][4] = {"", ",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 float_comp_names[][8] =
+{
+ ",false?", ",false", ",?", ",!<=>", ",=", ",=t", ",?=", ",!<>",
+ ",!?>=", ",<", ",?<", ",!>=", ",!?>", ",<=", ",?<=", ",!>",
+ ",!?<=", ",>", ",?>", ",!<=", ",!?<", ",>=", ",?>=", ",!<",
+ ",!?=", ",<>", ",!=", ",!=t", ",!?", ",<=>", ",true?", ",true"
+};
+
+/* 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 (reg, info)
+ unsigned reg;
+ disassemble_info *info;
+{
+ (*info->fprintf_func) (info->stream, reg ? reg_names[reg] : "r0");
+}
+
+static void
+fput_reg_r (reg, info)
+ unsigned reg;
+ disassemble_info *info;
+{
+ (*info->fprintf_func) (info->stream, "%sR", reg ? reg_names[reg] : "r0");
+}
+
+static void
+fput_creg (reg, info)
+ unsigned reg;
+ disassemble_info *info;
+{
+ (*info->fprintf_func) (info->stream, control_reg[reg]);
+}
+
+/* print constants with sign */
+
+static void
+fput_const (num, info)
+ 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. */
+
+/* This assumes that no garbage lies outside of the lower bits of
+ value. */
+
+static int
+sign_extend (val, bits)
+ unsigned val, bits;
+{
+ return (int)(val >> (bits - 1) ? (-1 << bits) | val : val);
+}
+
+/* For many immediate values the sign bit is the low bit! */
+
+static int
+low_sign_extend (val, bits)
+ unsigned val, bits;
+{
+ return (int)((val & 0x1 ? (-1 << (bits - 1)) : 0) | val >> 1);
+}
+/* extract the immediate field from a ld{bhw}s instruction */
+
+#if 0 /* not used */
+static unsigned
+get_field (val, from, to)
+ unsigned val, from, to;
+{
+ val = val >> (31 - to);
+ return val & ((1 << (32 - from)) - 1);
+}
+
+static unsigned
+set_field (val, from, to, new_val)
+ unsigned *val, from, to, new_val;
+{
+ unsigned mask = ~((1 << (to - from + 1)) << (31 - from));
+ return *val = (*val & mask) | (new_val << (31 - from));
+}
+#endif
+
+/* extract a 3-bit space register number from a be, ble, mtsp or mfsp */
+static int
+extract_3 (word)
+ unsigned word;
+{
+ return GET_FIELD (word, 18, 18) << 2 | GET_FIELD (word, 16, 17);
+}
+
+static int
+extract_5_load (word)
+ 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;
+{
+ return low_sign_extend (word & MASK_5, 5);
+}
+
+/* extract the immediate field from a break instruction */
+static unsigned
+extract_5r_store (word)
+ unsigned word;
+{
+ return (word & MASK_5);
+}
+
+/* extract the immediate field from a {sr}sm instruction */
+static unsigned
+extract_5R_store (word)
+ unsigned word;
+{
+ return (word >> 16 & MASK_5);
+}
+
+/* extract the immediate field from a bb instruction */
+static unsigned
+extract_5Q_store (word)
+ unsigned word;
+{
+ return (word >> 21 & MASK_5);
+}
+
+/* extract an 11 bit immediate field */
+static int
+extract_11 (word)
+ unsigned word;
+{
+ return low_sign_extend (word & MASK_11, 11);
+}
+
+/* extract a 14 bit immediate field */
+static int
+extract_14 (word)
+ unsigned word;
+{
+ return low_sign_extend (word & MASK_14, 14);
+}
+
+#if 0
+/* deposit a 14 bit constant in a word */
+static unsigned
+deposit_14 (opnd, word)
+ int opnd;
+ unsigned word;
+{
+ unsigned sign = (opnd < 0 ? 1 : 0);
+
+ return word | ((unsigned)opnd << 1 & MASK_14) | sign;
+}
+#endif
+
+/* extract a 21 bit constant */
+
+static int
+extract_21 (word)
+ 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;
+}
+
+#if 0
+/* deposit a 21 bit constant in a word. Although 21 bit constants are
+ usually the top 21 bits of a 32 bit constant, we assume that only
+ the low 21 bits of opnd are relevant */
+
+static unsigned
+deposit_21 (opnd, word)
+ unsigned opnd, word;
+{
+ unsigned val = 0;
+
+ val |= GET_FIELD (opnd, 11 + 14, 11 + 18);
+ val <<= 2;
+ val |= GET_FIELD (opnd, 11 + 12, 11 + 13);
+ val <<= 2;
+ val |= GET_FIELD (opnd, 11 + 19, 11 + 20);
+ val <<= 11;
+ val |= GET_FIELD (opnd, 11 + 1, 11 + 11);
+ val <<= 1;
+ val |= GET_FIELD (opnd, 11 + 0, 11 + 0);
+ return word | val;
+}
+#endif
+
+/* extract a 12 bit constant from branch instructions */
+
+static int
+extract_12 (word)
+ 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 (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;
+}
+
+/* Print one instruction. */
+int
+print_insn_hppa (memaddr, info)
+ bfd_vma memaddr;
+ disassemble_info *info;
+{
+ unsigned int insn, i, op;
+ FILE *stream = info->stream;
+
+ {
+ int status =
+ (*info->read_memory_func) (memaddr, (bfd_byte*) &insn, sizeof (insn),
+ info);
+ if (status != 0)
+ {
+ (*info->memory_error_func) (status, memaddr, info);
+ return -1;
+ }
+ }
+
+ for (i = 0; i < NUMOPCODES; ++i)
+ {
+ const struct pa_opcode *opcode = &pa_opcodes[i];
+ if ((insn & opcode->mask) == opcode->match)
+ {
+ register const char *s;
+
+ (*info->fprintf_func) (info->stream, "%s", opcode->name);
+
+ if (!strchr ("cCY<?!@-+&U>~nZFIM", 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 'X':
+ if (GET_FIELD (insn, 25, 25))
+ fput_reg_r (GET_FIELD (insn, 11, 15), info);
+ else
+ fput_reg (GET_FIELD (insn, 11, 15), info);
+ break;
+ case 'b':
+ fput_reg (GET_FIELD (insn, 6, 10), info);
+ break;
+ case '^':
+ fput_creg (GET_FIELD (insn, 6, 10), info);
+ break;
+ case 'E':
+ if (GET_FIELD (insn, 25, 25))
+ fput_reg_r (GET_FIELD (insn, 6, 10), info);
+ else
+ fput_reg (GET_FIELD (insn, 6, 10), info);
+ break;
+ case 't':
+ fput_reg (GET_FIELD (insn, 27, 31), info);
+ break;
+ case 'v':
+ if (GET_FIELD (insn, 25, 25))
+ fput_reg_r (GET_FIELD (insn, 27, 31), info);
+ else
+ fput_reg (GET_FIELD (insn, 27, 31), info);
+ break;
+ case '4':
+ fput_creg (GET_FIELD (insn, 6, 10), info);
+ break;
+ case '6':
+ fput_reg (GET_FIELD (insn, 11, 15), info);
+ break;
+ case '7':
+ fput_reg (GET_FIELD (insn, 27, 31), info);
+ break;
+ case '8':
+ fput_reg (GET_FIELD (insn, 16, 20), info);
+ break;
+ case '9':
+ fput_reg (GET_FIELD (insn, 21, 25), info);
+ break;
+ case '5':
+ fput_const (extract_5_load (insn), info);
+ break;
+ case 's':
+ fprintf_filtered (stream, "sr%d", GET_FIELD (insn, 16, 17));
+ break;
+ case 'S':
+ (*info->fprintf_func) (info->stream, "sr%d", extract_3 (insn));
+ break;
+ case 'c':
+ (*info->fprintf_func) (info->stream, "%s ",
+ index_compl_names[GET_COMPL (insn)]);
+ break;
+ case 'C':
+ (*info->fprintf_func) (info->stream, "%s ",
+ short_ldst_compl_names[GET_COMPL (insn)]);
+ break;
+ case 'Y':
+ (*info->fprintf_func) (info->stream, "%s ",
+ short_bytes_compl_names[GET_COMPL (insn)]);
+ 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 '<':
+ fputs_filtered (compare_cond_names[GET_FIELD (insn, 16, 18)],
+ info);
+ break;
+ case '?':
+ fputs_filtered (compare_cond_names[GET_FIELD (insn, 16, 18) + 8],
+ info);
+ break;
+ case '@':
+ fputs_filtered (add_cond_names[GET_FIELD (insn, 16, 18) + 8],
+ info);
+ break;
+ case 'd':
+ (*info->fprintf_func) (info->stream, "%s",
+ compare_cond_names[GET_COND (insn)]);
+ break;
+ case 'a':
+ case '!':
+ (*info->fprintf_func) (info->stream, "%s",
+ add_cond_names[GET_FIELD (insn, 16, 18)]);
+ break;
+
+ case '&':
+ (*info->fprintf_func) (info->stream, "%s ",
+ logical_cond_names[GET_COND (insn)]);
+ break;
+ case 'U':
+ (*info->fprintf_func) (info->stream, "%s ",
+ unit_cond_names[GET_COND (insn)]);
+ break;
+ case '>':
+ case '~':
+ (*info->fprintf_func) (info->stream, "%s ",
+ shift_cond_names[GET_FIELD (insn, 16, 18)]);
+ break;
+ case 'V':
+ fput_const (extract_5_store (insn), info);
+ break;
+ case 'R':
+ fput_const (extract_5R_store (insn), info);
+ break;
+ 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':
+ fput_const (extract_21 (insn), info);
+ break;
+ case 'n':
+ if (insn & 0x2)
+ (*info->fprintf_func) (info->stream, ",n ");
+ else
+ (*info->fprintf_func) (info->stream, " ");
+ break;
+ case 'w':
+ (*info->print_address_func) (memaddr + 8 + extract_12 (insn),
+ info);
+ break;
+ case 'W':
+ /* don't interpret an address if it's an external branch
+ instruction. */
+ op = GET_FIELD (insn, 0, 5);
+ if (op != 0x38 /* be */ && op != 0x39 /* ble */)
+ (*info->print_address_func) ((memaddr + 8
+ + extract_17 (insn)),
+ info);
+ else
+ fput_const (extract_17 (insn), info);
+ break;
+ case 'p':
+ (*info->fprintf_func) (info->stream, "%d",
+ 31 - GET_FIELD (insn, 22, 26));
+ break;
+ case 'P':
+ (*info->fprintf_func) (info->stream, "%d",
+ GET_FIELD (insn, 22, 26));
+ break;
+ case 'T':
+ (*info->fprintf_func) (info->stream, "%d",
+ 32 - GET_FIELD (insn, 27, 31));
+ break;
+ case 'A':
+ fput_const (GET_FIELD (insn, 6, 18), info);
+ break;
+ case 'Z':
+ if (GET_FIELD (insn, 26, 26))
+ (*info->fprintf_func) (info->stream, ",m ");
+ else
+ (*info->fprintf_func) (info->stream, " ");
+ break;
+ case 'D':
+ fput_const (GET_FIELD (insn, 6, 31), info);
+ break;
+ case 'f':
+ (*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, need a space here */
+ if (GET_FIELD (insn, 21, 22) == 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':
+ fputs_filtered (float_format_names[GET_FIELD
+ (insn, 26, 26)], info);
+ break;
+ case 'I':
+ /* if no destination completer, need a space here */
+ if (GET_FIELD (insn, 21, 22) == 1)
+ fputs_filtered (float_format_names[GET_FIELD (insn, 20, 20)],
+ info);
+ else
+ fprintf_filtered (stream, "%s ",
+ float_format_names[GET_FIELD
+ (insn, 20, 20)]);
+ break;
+ case 'J':
+ if (GET_FIELD (insn, 24, 24))
+ fput_reg_r (GET_FIELD (insn, 6, 10), info);
+ else
+ fput_reg (GET_FIELD (insn, 6, 10), info);
+
+ break;
+ case 'K':
+ if (GET_FIELD (insn, 19, 19))
+ fput_reg_r (GET_FIELD (insn, 11, 15), info);
+ else
+ fput_reg (GET_FIELD (insn, 11, 15), info);
+ break;
+ case 'M':
+ fputs_filtered (float_comp_names[GET_FIELD (insn, 27, 31)],
+ info);
+ break;
+ default:
+ (*info->fprintf_func) (info->stream, "%c", *s);
+ break;
+ }
+ }
+ return sizeof(insn);
+ }
+ }
+ (*info->fprintf_func) (info->stream, "#%8x", insn);
+ return sizeof(insn);
+}
projects / binutils-gdb.git / commitdiff