mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-26 02:33:31 +08:00
756 lines
17 KiB
C
756 lines
17 KiB
C
/* HP PA-RISC SOM object file format: definitions internal to BFD.
|
|
Copyright (C) 1990, 91, 92, 93, 94, 95, 96, 98, 1999
|
|
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 BFD, the Binary File Descriptor library.
|
|
|
|
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
|
|
|
#ifndef _HPPA_H
|
|
#define _HPPA_H
|
|
|
|
#define BYTES_IN_WORD 4
|
|
#define PA_PAGESIZE 0x1000
|
|
|
|
#ifndef INLINE
|
|
#ifdef __GNUC__
|
|
#define INLINE inline
|
|
#else
|
|
#define INLINE
|
|
#endif /* GNU C? */
|
|
#endif /* INLINE */
|
|
|
|
#if __GNUC__ >= 2 && __GNUC_MINOR__ >= 7
|
|
/* Declare the functions with the unused attribute to avoid warnings. */
|
|
static INLINE unsigned int assemble_3 (unsigned int)
|
|
__attribute__ ((__unused__));
|
|
static INLINE void dis_assemble_3 (unsigned int, unsigned int *)
|
|
__attribute__ ((__unused__));
|
|
static INLINE unsigned int assemble_12 (unsigned int, unsigned int)
|
|
__attribute__ ((__unused__));
|
|
static INLINE void dis_assemble_12 (unsigned int, unsigned int *,
|
|
unsigned int *)
|
|
__attribute__ ((__unused__));
|
|
static INLINE void dis_assemble_16 (unsigned int, unsigned int *, int)
|
|
__attribute__ ((__unused__));
|
|
static INLINE unsigned long assemble_17 (unsigned int, unsigned int,
|
|
unsigned int)
|
|
__attribute__ ((__unused__));
|
|
static INLINE void dis_assemble_17 (unsigned int, unsigned int *,
|
|
unsigned int *, unsigned int *)
|
|
__attribute__ ((__unused__));
|
|
static INLINE void dis_assemble_22 (unsigned int, unsigned int *,
|
|
unsigned int *, unsigned int *,
|
|
unsigned int *)
|
|
__attribute__ ((__unused__));
|
|
static INLINE unsigned long assemble_21 (unsigned int)
|
|
__attribute ((__unused__));
|
|
static INLINE void dis_assemble_21 (unsigned int, unsigned int *)
|
|
__attribute__ ((__unused__));
|
|
static INLINE unsigned long sign_extend (unsigned int, unsigned int)
|
|
__attribute__ ((__unused__));
|
|
static INLINE unsigned int ones (int) __attribute ((__unused__));
|
|
static INLINE void sign_unext (unsigned int, unsigned int, unsigned int *)
|
|
__attribute__ ((__unused__));
|
|
static INLINE unsigned long low_sign_extend (unsigned int, unsigned int)
|
|
__attribute__ ((__unused__));
|
|
static INLINE void low_sign_unext (unsigned int, unsigned int, unsigned int *)
|
|
__attribute__ ((__unused__));
|
|
static INLINE unsigned long hppa_field_adjust (unsigned long, unsigned long,
|
|
unsigned short)
|
|
__attribute__ ((__unused__));
|
|
static INLINE int bfd_hppa_insn2fmt (unsigned long)
|
|
__attribute__ ((__unused__));
|
|
static INLINE unsigned long hppa_rebuild_insn (bfd *, unsigned long,
|
|
unsigned long, unsigned long)
|
|
__attribute__ ((__unused__));
|
|
#endif /* gcc 2.7 or higher */
|
|
|
|
|
|
/* The PA instruction set variants. */
|
|
enum pa_arch {pa10 = 10, pa11 = 11, pa20 = 20, pa20w = 25};
|
|
|
|
/* HP PA-RISC relocation types */
|
|
|
|
enum hppa_reloc_field_selector_type
|
|
{
|
|
R_HPPA_FSEL = 0x0,
|
|
R_HPPA_LSSEL = 0x1,
|
|
R_HPPA_RSSEL = 0x2,
|
|
R_HPPA_LSEL = 0x3,
|
|
R_HPPA_RSEL = 0x4,
|
|
R_HPPA_LDSEL = 0x5,
|
|
R_HPPA_RDSEL = 0x6,
|
|
R_HPPA_LRSEL = 0x7,
|
|
R_HPPA_RRSEL = 0x8,
|
|
R_HPPA_NSEL = 0x9,
|
|
R_HPPA_NLSEL = 0xa,
|
|
R_HPPA_NLRSEL = 0xb,
|
|
R_HPPA_PSEL = 0xc,
|
|
R_HPPA_LPSEL = 0xd,
|
|
R_HPPA_RPSEL = 0xe,
|
|
R_HPPA_TSEL = 0xf,
|
|
R_HPPA_LTSEL = 0x10,
|
|
R_HPPA_RTSEL = 0x11,
|
|
R_HPPA_LTPSEL = 0x12,
|
|
R_HPPA_RTPSEL = 0x13
|
|
};
|
|
|
|
/* /usr/include/reloc.h defines these to constants. We want to use
|
|
them in enums, so #undef them before we start using them. We might
|
|
be able to fix this another way by simply managing not to include
|
|
/usr/include/reloc.h, but currently GDB picks up these defines
|
|
somewhere. */
|
|
#undef e_fsel
|
|
#undef e_lssel
|
|
#undef e_rssel
|
|
#undef e_lsel
|
|
#undef e_rsel
|
|
#undef e_ldsel
|
|
#undef e_rdsel
|
|
#undef e_lrsel
|
|
#undef e_rrsel
|
|
#undef e_nsel
|
|
#undef e_nlsel
|
|
#undef e_nlrsel
|
|
#undef e_psel
|
|
#undef e_lpsel
|
|
#undef e_rpsel
|
|
#undef e_tsel
|
|
#undef e_ltsel
|
|
#undef e_rtsel
|
|
#undef e_one
|
|
#undef e_two
|
|
#undef e_pcrel
|
|
#undef e_con
|
|
#undef e_plabel
|
|
#undef e_abs
|
|
|
|
/* for compatibility */
|
|
enum hppa_reloc_field_selector_type_alt
|
|
{
|
|
e_fsel = R_HPPA_FSEL,
|
|
e_lssel = R_HPPA_LSSEL,
|
|
e_rssel = R_HPPA_RSSEL,
|
|
e_lsel = R_HPPA_LSEL,
|
|
e_rsel = R_HPPA_RSEL,
|
|
e_ldsel = R_HPPA_LDSEL,
|
|
e_rdsel = R_HPPA_RDSEL,
|
|
e_lrsel = R_HPPA_LRSEL,
|
|
e_rrsel = R_HPPA_RRSEL,
|
|
e_nsel = R_HPPA_NSEL,
|
|
e_nlsel = R_HPPA_NLSEL,
|
|
e_nlrsel = R_HPPA_NLRSEL,
|
|
e_psel = R_HPPA_PSEL,
|
|
e_lpsel = R_HPPA_LPSEL,
|
|
e_rpsel = R_HPPA_RPSEL,
|
|
e_tsel = R_HPPA_TSEL,
|
|
e_ltsel = R_HPPA_LTSEL,
|
|
e_rtsel = R_HPPA_RTSEL,
|
|
e_ltpsel = R_HPPA_LTPSEL,
|
|
e_rtpsel = R_HPPA_RTPSEL
|
|
};
|
|
|
|
enum hppa_reloc_expr_type
|
|
{
|
|
R_HPPA_E_ONE = 0,
|
|
R_HPPA_E_TWO = 1,
|
|
R_HPPA_E_PCREL = 2,
|
|
R_HPPA_E_CON = 3,
|
|
R_HPPA_E_PLABEL = 7,
|
|
R_HPPA_E_ABS = 18
|
|
};
|
|
|
|
/* for compatibility */
|
|
enum hppa_reloc_expr_type_alt
|
|
{
|
|
e_one = R_HPPA_E_ONE,
|
|
e_two = R_HPPA_E_TWO,
|
|
e_pcrel = R_HPPA_E_PCREL,
|
|
e_con = R_HPPA_E_CON,
|
|
e_plabel = R_HPPA_E_PLABEL,
|
|
e_abs = R_HPPA_E_ABS
|
|
};
|
|
|
|
|
|
/* Relocations for function calls must be accompanied by parameter
|
|
relocation bits. These bits describe exactly where the caller has
|
|
placed the function's arguments and where it expects to find a return
|
|
value.
|
|
|
|
Both ELF and SOM encode this information within the addend field
|
|
of the call relocation. (Note this could break very badly if one
|
|
was to make a call like bl foo + 0x12345678).
|
|
|
|
The high order 10 bits contain parameter relocation information,
|
|
the low order 22 bits contain the constant offset. */
|
|
|
|
#define HPPA_R_ARG_RELOC(a) (((a) >> 22) & 0x3FF)
|
|
#define HPPA_R_CONSTANT(a) ((((int)(a)) << 10) >> 10)
|
|
#define HPPA_R_ADDEND(r,c) (((r) << 22) + ((c) & 0x3FFFFF))
|
|
#define HPPA_WIDE (0) /* PSW W-bit, need to check! FIXME */
|
|
|
|
/* These macros get bit fields using HP's numbering (MSB = 0),
|
|
* but note that "MASK" assumes that the LSB bits are what's
|
|
* wanted.
|
|
*/
|
|
#ifndef GET_FIELD
|
|
#define GET_FIELD(X, FROM, TO) \
|
|
((X) >> (31 - (TO)) & ((1 << ((TO) - (FROM) + 1)) - 1))
|
|
#endif
|
|
#define GET_BIT(X, WHICH) \
|
|
GET_FIELD (X, WHICH, WHICH)
|
|
|
|
#define MASK(SIZE) \
|
|
(~((-1) << SIZE))
|
|
|
|
#define CATENATE(X, XSIZE, Y, YSIZE) \
|
|
(((X & MASK (XSIZE)) << YSIZE) | (Y & MASK (YSIZE)))
|
|
|
|
#define ELEVEN(X) \
|
|
CATENATE (GET_BIT (X, 10), 1, GET_FIELD (X, 0, 9), 10)
|
|
|
|
/* Some functions to manipulate PA instructions. */
|
|
|
|
/* NOTE: these use the HP convention that f{1} is the _left_ most
|
|
* bit (MSB) of f; they sometimes have to impose an assumption
|
|
* about the size of a field; and as far as I can tell, most
|
|
* aren't used.
|
|
*/
|
|
|
|
static INLINE unsigned long
|
|
sign_extend (x, len)
|
|
unsigned int x, len;
|
|
{
|
|
return (int)(x >> (len - 1) ? (-1 << len) | x : x);
|
|
}
|
|
|
|
static INLINE unsigned int
|
|
assemble_3 (x)
|
|
unsigned int x;
|
|
{
|
|
return CATENATE (GET_BIT (x, 2), 1, GET_FIELD (x, 0, 1), 2);
|
|
}
|
|
|
|
static INLINE void
|
|
dis_assemble_3 (x, r)
|
|
unsigned int x;
|
|
unsigned int *r;
|
|
{
|
|
*r = (((x & 4) >> 2) | ((x & 3) << 1)) & 7;
|
|
}
|
|
|
|
static INLINE unsigned int
|
|
assemble_6 (x, y)
|
|
unsigned int x, y;
|
|
{
|
|
return (((x & 0x1) << 5) + (32 - (y & 0x1f)));
|
|
}
|
|
|
|
static INLINE unsigned int
|
|
assemble_12 (x, y)
|
|
unsigned int x, y;
|
|
{
|
|
return CATENATE (CATENATE (y, 1, GET_BIT (x, 10), 1), 2,
|
|
GET_FIELD (x, 0, 9), 9);
|
|
}
|
|
|
|
static INLINE void
|
|
dis_assemble_12 (as12, x, y)
|
|
unsigned int as12;
|
|
unsigned int *x, *y;
|
|
{
|
|
*y = (as12 & 0x800) >> 11;
|
|
*x = ((as12 & 0x3ff) << 1) | ((as12 & 0x400) >> 10);
|
|
}
|
|
|
|
static INLINE void
|
|
dis_assemble_16 (as16, x, wide)
|
|
unsigned int as16;
|
|
unsigned int *x;
|
|
int wide;
|
|
{
|
|
unsigned int t1, t2;
|
|
|
|
if (wide)
|
|
{
|
|
/* Unusual 16-bit encoding. */
|
|
t1 = (as16 << 1) & 0xffff;
|
|
t2 = (as16 & 0x8000);
|
|
*x = t1 ^ t2 ^ (t2 >> 1) | (t2 >> 15);
|
|
}
|
|
else
|
|
{
|
|
/* Standard 14-bit encoding. */
|
|
t1 = (as16 << 1) & 0x3fff;
|
|
t2 = (as16 & 0x2000);
|
|
*x = t1 | (t2 >> 13);
|
|
}
|
|
}
|
|
|
|
static INLINE unsigned long
|
|
assemble_16 (x, y)
|
|
unsigned int x, y;
|
|
{
|
|
/* Depends on PSW W-bit !*/
|
|
unsigned int temp;
|
|
|
|
if (HPPA_WIDE)
|
|
temp = CATENATE (CATENATE (GET_BIT (y, 13), 1,
|
|
(GET_BIT (y, 13) ^ GET_BIT (x, 0)), 1), 2,
|
|
CATENATE ((GET_BIT (y, 13) ^ GET_BIT (x, 1)), 1,
|
|
GET_FIELD (y, 0, 12), 13), 14);
|
|
else
|
|
temp = CATENATE (CATENATE (GET_BIT (y, 13), 1, GET_BIT (y, 13), 1), 2,
|
|
CATENATE (GET_BIT (y, 13), 1, GET_FIELD (y, 0, 12), 13), 14);
|
|
|
|
return sign_extend (temp, 16);
|
|
}
|
|
|
|
|
|
static INLINE unsigned long
|
|
assemble_16a (x, y, z)
|
|
unsigned int x, y, z;
|
|
{
|
|
/* Depends on PSW W-bit !*/
|
|
unsigned int temp;
|
|
|
|
if (HPPA_WIDE)
|
|
temp = CATENATE (CATENATE (z, 1, (z ^ GET_BIT (x, 0)), 1), 2,
|
|
CATENATE ((z ^ GET_BIT (x, 1)), 1, y, 11), 12);
|
|
else
|
|
temp = CATENATE (CATENATE (z, 1, z, 1), 2, CATENATE (z, 1, y, 11), 12);
|
|
|
|
return sign_extend ((temp << 2), 16);
|
|
}
|
|
|
|
static INLINE unsigned long
|
|
assemble_17 (x, y, z)
|
|
unsigned int x, y, z;
|
|
{
|
|
unsigned long temp;
|
|
|
|
temp = CATENATE (CATENATE (z, 1, x, 5), 6,
|
|
CATENATE (GET_BIT (y, 10), 1, GET_FIELD (y, 0, 9), 10), 11);
|
|
|
|
return temp;
|
|
}
|
|
|
|
static INLINE void
|
|
dis_assemble_17 (as17, x, y, z)
|
|
unsigned int as17;
|
|
unsigned int *x, *y, *z;
|
|
{
|
|
|
|
*z = (as17 & 0x10000) >> 16;
|
|
*x = (as17 & 0x0f800) >> 11;
|
|
*y = (((as17 & 0x00400) >> 10) | ((as17 & 0x3ff) << 1)) & 0x7ff;
|
|
}
|
|
|
|
static INLINE void
|
|
dis_assemble_22 (as22, a, b, c, d)
|
|
unsigned int as22;
|
|
unsigned int *a, *b, *c, *d;
|
|
{
|
|
|
|
*d = (as22 & 0x200000) >> 21;
|
|
*a = (as22 & 0x1f0000) >> 16;
|
|
*b = (as22 & 0x0f800) >> 11;
|
|
*c = (((as22 & 0x00400) >> 10) | ((as22 & 0x3ff) << 1)) & 0x7ff;
|
|
}
|
|
|
|
static INLINE unsigned long
|
|
assemble_21 (x)
|
|
unsigned int x;
|
|
{
|
|
unsigned long temp;
|
|
|
|
temp = ((x & 1) << 20) |
|
|
((x & 0xffe) << 8) |
|
|
((x & 0xc000) >> 7) |
|
|
((x & 0x1f0000) >> 14) |
|
|
((x & 0x003000) >> 12);
|
|
return temp & 0x1fffff;
|
|
}
|
|
|
|
static INLINE unsigned long
|
|
assemble_22 (a,b,c,d)
|
|
unsigned int a,b,c,d;
|
|
{
|
|
unsigned long temp;
|
|
|
|
temp = CATENATE (CATENATE (d, 1, a, 5), 6,
|
|
CATENATE (b, 5, ELEVEN (c), 11), 16);
|
|
|
|
return sign_extend (temp, 22);
|
|
}
|
|
|
|
static INLINE void
|
|
dis_assemble_21 (as21, x)
|
|
unsigned int as21, *x;
|
|
{
|
|
unsigned long temp;
|
|
|
|
|
|
temp = (as21 & 0x100000) >> 20;
|
|
temp |= (as21 & 0x0ffe00) >> 8;
|
|
temp |= (as21 & 0x000180) << 7;
|
|
temp |= (as21 & 0x00007c) << 14;
|
|
temp |= (as21 & 0x000003) << 12;
|
|
*x = temp;
|
|
}
|
|
|
|
static INLINE unsigned int
|
|
ones (n)
|
|
int n;
|
|
{
|
|
unsigned int len_ones;
|
|
int i;
|
|
|
|
i = 0;
|
|
len_ones = 0;
|
|
while (i < n)
|
|
{
|
|
len_ones = (len_ones << 1) | 1;
|
|
i++;
|
|
}
|
|
|
|
return len_ones;
|
|
}
|
|
|
|
static INLINE void
|
|
sign_unext (x, len, result)
|
|
unsigned int x, len;
|
|
unsigned int *result;
|
|
{
|
|
unsigned int len_ones;
|
|
|
|
len_ones = ones (len);
|
|
|
|
*result = x & len_ones;
|
|
}
|
|
|
|
static INLINE unsigned long
|
|
low_sign_extend (x, len)
|
|
unsigned int x, len;
|
|
{
|
|
return (int)((x & 0x1 ? (-1 << (len - 1)) : 0) | x >> 1);
|
|
}
|
|
|
|
static INLINE void
|
|
low_sign_unext (x, len, result)
|
|
unsigned int x, len;
|
|
unsigned int *result;
|
|
{
|
|
unsigned int temp;
|
|
unsigned int sign;
|
|
unsigned int rest;
|
|
unsigned int one_bit_at_len;
|
|
unsigned int len_ones;
|
|
|
|
len_ones = ones (len);
|
|
one_bit_at_len = 1 << (len - 1);
|
|
|
|
sign_unext (x, len, &temp);
|
|
sign = temp & one_bit_at_len;
|
|
sign >>= (len - 1);
|
|
|
|
rest = temp & (len_ones ^ one_bit_at_len);
|
|
rest <<= 1;
|
|
|
|
*result = rest | sign;
|
|
}
|
|
|
|
/* Handle field selectors for PA instructions. */
|
|
|
|
static INLINE unsigned long
|
|
hppa_field_adjust (value, constant_value, r_field)
|
|
unsigned long value;
|
|
unsigned long constant_value;
|
|
unsigned short r_field;
|
|
{
|
|
switch (r_field)
|
|
{
|
|
case e_fsel: /* F : no change */
|
|
case e_nsel: /* N : no change */
|
|
value += constant_value;
|
|
break;
|
|
|
|
case e_lssel: /* LS : if (bit 21) then add 0x800
|
|
arithmetic shift right 11 bits */
|
|
value += constant_value;
|
|
if (value & 0x00000400)
|
|
value += 0x800;
|
|
value = (value & 0xfffff800) >> 11;
|
|
break;
|
|
|
|
case e_rssel: /* RS : Sign extend from bit 21 */
|
|
value += constant_value;
|
|
if (value & 0x00000400)
|
|
value |= 0xfffff800;
|
|
else
|
|
value &= 0x7ff;
|
|
break;
|
|
|
|
case e_lsel: /* L : Arithmetic shift right 11 bits */
|
|
case e_nlsel: /* NL : Arithmetic shift right 11 bits */
|
|
value += constant_value;
|
|
value = (value & 0xfffff800) >> 11;
|
|
break;
|
|
|
|
case e_rsel: /* R : Set bits 0-20 to zero */
|
|
value += constant_value;
|
|
value = value & 0x7ff;
|
|
break;
|
|
|
|
case e_ldsel: /* LD : Add 0x800, arithmetic shift
|
|
right 11 bits */
|
|
value += constant_value;
|
|
value += 0x800;
|
|
value = (value & 0xfffff800) >> 11;
|
|
break;
|
|
|
|
case e_rdsel: /* RD : Set bits 0-20 to one */
|
|
value += constant_value;
|
|
value |= 0xfffff800;
|
|
break;
|
|
|
|
case e_lrsel: /* LR : L with "rounded" constant */
|
|
case e_nlrsel: /* NLR : NL with "rounded" constant */
|
|
value = value + ((constant_value + 0x1000) & 0xffffe000);
|
|
value = (value & 0xfffff800) >> 11;
|
|
break;
|
|
|
|
case e_rrsel: /* RR : R with "rounded" constant */
|
|
value = value + ((constant_value + 0x1000) & 0xffffe000);
|
|
value = (value & 0x7ff) + constant_value - ((constant_value + 0x1000) & 0xffffe000);
|
|
break;
|
|
|
|
default:
|
|
abort ();
|
|
}
|
|
return value;
|
|
|
|
}
|
|
|
|
/* PA-RISC OPCODES */
|
|
#define get_opcode(insn) ((insn) & 0xfc000000) >> 26
|
|
|
|
/* FIXME: this list is incomplete. It should also be an enumerated
|
|
type rather than #defines. */
|
|
|
|
#define LDO 0x0d
|
|
#define LDB 0x10
|
|
#define LDH 0x11
|
|
#define LDW 0x12
|
|
#define LDWM 0x13
|
|
#define STB 0x18
|
|
#define STH 0x19
|
|
#define STW 0x1a
|
|
#define STWM 0x1b
|
|
#define COMICLR 0x24
|
|
#define SUBI 0x25
|
|
#define SUBIO 0x25
|
|
#define ADDIT 0x2c
|
|
#define ADDITO 0x2c
|
|
#define ADDI 0x2d
|
|
#define ADDIO 0x2d
|
|
#define LDIL 0x08
|
|
#define ADDIL 0x0a
|
|
|
|
#define MOVB 0x32
|
|
#define MOVIB 0x33
|
|
#define COMBT 0x20
|
|
#define COMBF 0x22
|
|
#define COMIBT 0x21
|
|
#define COMIBF 0x23
|
|
#define ADDBT 0x28
|
|
#define ADDBF 0x2a
|
|
#define ADDIBT 0x29
|
|
#define ADDIBF 0x2b
|
|
#define BVB 0x30
|
|
#define BB 0x31
|
|
|
|
#define BL 0x3a
|
|
#define BLE 0x39
|
|
#define BE 0x38
|
|
|
|
#define CMPBDT 0x27
|
|
#define CMPBDF 0x2f
|
|
#define CMPIBD 0x3b
|
|
#define LDD 0x14
|
|
#define STD 0x1c
|
|
#define LDWL 0x17
|
|
#define STWL 0x1f
|
|
#define FDLW 0x16
|
|
#define FSTW 0x1e
|
|
|
|
/* Given a machine instruction, return its format.
|
|
|
|
FIXME: opcodes which do not map to a known format
|
|
should return an error of some sort. */
|
|
|
|
static INLINE int
|
|
bfd_hppa_insn2fmt (insn)
|
|
unsigned long insn;
|
|
{
|
|
int fmt = -1;
|
|
unsigned char op = get_opcode (insn);
|
|
|
|
switch (op)
|
|
{
|
|
case ADDI:
|
|
case ADDIT:
|
|
case SUBI:
|
|
fmt = 11;
|
|
break;
|
|
case MOVB:
|
|
case MOVIB:
|
|
case COMBT:
|
|
case COMBF:
|
|
case COMIBT:
|
|
case COMIBF:
|
|
case ADDBT:
|
|
case ADDBF:
|
|
case ADDIBT:
|
|
case ADDIBF:
|
|
case BVB:
|
|
case BB:
|
|
case CMPBDT:
|
|
case CMPBDF:
|
|
case CMPIBD:
|
|
fmt = 12;
|
|
break;
|
|
case LDO:
|
|
case LDB:
|
|
case LDH:
|
|
case LDW:
|
|
case LDWM:
|
|
case STB:
|
|
case STH:
|
|
case STW:
|
|
case STWM:
|
|
fmt = 14;
|
|
break;
|
|
case LDWL:
|
|
case STWL:
|
|
case FDLW:
|
|
case FSTW:
|
|
/* This is a hack. Unfortunately, format 11 is already taken
|
|
and we're using integers rather than an enum, so it's hard
|
|
to describe the 10a format. */
|
|
fmt = -11;
|
|
break;
|
|
case LDD:
|
|
case STD:
|
|
fmt = 10;
|
|
break;
|
|
case BL:
|
|
case BE:
|
|
case BLE:
|
|
if ((insn & 0x00008000) == 0x00008000)
|
|
return 22;
|
|
fmt = 17;
|
|
break;
|
|
case LDIL:
|
|
case ADDIL:
|
|
fmt = 21;
|
|
break;
|
|
default:
|
|
fmt = 32;
|
|
break;
|
|
}
|
|
return fmt;
|
|
}
|
|
|
|
|
|
/* Insert VALUE into INSN using R_FORMAT to determine exactly what
|
|
bits to change. */
|
|
|
|
static INLINE unsigned long
|
|
hppa_rebuild_insn (abfd, insn, value, r_format)
|
|
bfd *abfd ATTRIBUTE_UNUSED;
|
|
unsigned long insn;
|
|
unsigned long value;
|
|
unsigned long r_format;
|
|
{
|
|
unsigned long const_part;
|
|
unsigned long rebuilt_part;
|
|
|
|
switch (r_format)
|
|
{
|
|
case 11:
|
|
{
|
|
unsigned w1, w;
|
|
|
|
const_part = insn & 0xffffe002;
|
|
dis_assemble_12 (value, &w1, &w);
|
|
rebuilt_part = (w1 << 2) | w;
|
|
return const_part | rebuilt_part;
|
|
}
|
|
|
|
case 12:
|
|
{
|
|
unsigned w1, w;
|
|
|
|
const_part = insn & 0xffffe002;
|
|
dis_assemble_12 (value, &w1, &w);
|
|
rebuilt_part = (w1 << 2) | w;
|
|
return const_part | rebuilt_part;
|
|
}
|
|
|
|
case 14:
|
|
{
|
|
unsigned int ext;
|
|
|
|
const_part = insn & 0xffffc000;
|
|
low_sign_unext (value, 14, &ext);
|
|
return const_part | ext;
|
|
}
|
|
|
|
case 17:
|
|
{
|
|
unsigned w1, w2, w;
|
|
|
|
const_part = insn & 0xffe0e002;
|
|
dis_assemble_17 (value, &w1, &w2, &w);
|
|
rebuilt_part = (w2 << 2) | (w1 << 16) | w;
|
|
return const_part | rebuilt_part;
|
|
}
|
|
|
|
case 21:
|
|
{
|
|
unsigned int w;
|
|
|
|
const_part = insn & 0xffe00000;
|
|
dis_assemble_21 (value, &w);
|
|
return const_part | w;
|
|
}
|
|
|
|
case 32:
|
|
const_part = 0;
|
|
return value;
|
|
|
|
default:
|
|
abort ();
|
|
}
|
|
return insn;
|
|
}
|
|
|
|
#endif /* _HPPA_H */
|