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-rw-r--r--opcodes/hppa-dis.c260
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);
}
generated by cgit v1.1 at 2024-12-02 07:06:19 +0000