/* HP PA-RISC SOM object file format: definitions internal to BFD.
- Copyright (C) 1990, 91, 92, 93, 94 , 95, 1996 Free Software Foundation, Inc.
+ Copyright (C) 1990-2020 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
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
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. */
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
-#ifndef _HPPA_H
-#define _HPPA_H
+#ifndef _LIBHPPA_H
+#define _LIBHPPA_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 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 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 char 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};
+enum pa_arch {pa10 = 10, pa11 = 11, pa20 = 20, pa20w = 25};
/* HP PA-RISC relocation types */
R_HPPA_RPSEL = 0xe,
R_HPPA_TSEL = 0xf,
R_HPPA_LTSEL = 0x10,
- R_HPPA_RTSEL = 0x11
+ R_HPPA_RTSEL = 0x11,
+ R_HPPA_LTPSEL = 0x12,
+ R_HPPA_RTPSEL = 0x13
};
/* /usr/include/reloc.h defines these to constants. We want to use
e_rpsel = R_HPPA_RPSEL,
e_tsel = R_HPPA_TSEL,
e_ltsel = R_HPPA_LTSEL,
- e_rtsel = R_HPPA_RTSEL
+ e_rtsel = R_HPPA_RTSEL,
+ e_ltpsel = R_HPPA_LTPSEL,
+ e_rtpsel = R_HPPA_RTPSEL
};
enum hppa_reloc_expr_type
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.
- */
+#define HPPA_R_ARG_RELOC(a) \
+ (((a) >> 22) & 0x3ff)
+#define HPPA_R_CONSTANT(a) \
+ ((((bfd_signed_vma) (a) & 0x3fffff) ^ 0x200000) - 0x200000)
+#define HPPA_R_ADDEND(r, c) \
+ (((r) << 22) + ((c) & 0x3fffff))
-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);
-}
+/* Some functions to manipulate PA instructions. */
-static INLINE void
-dis_assemble_3 (x, r)
- unsigned int x;
- unsigned int *r;
-{
- *r = (((x & 4) >> 2) | ((x & 3) << 1)) & 7;
-}
+/* The *sign_extend functions are used to assemble various bitfields
+ taken from an instruction and return the resulting immediate
+ value. */
-static INLINE unsigned int
-assemble_6 (x, y)
- unsigned int x, y;
+static inline unsigned ATTRIBUTE_UNUSED
+sign_extend (unsigned x, unsigned len)
{
- return (((x & 0x1) << 5) + (32 - (y & 0x1f)));
+ unsigned signbit = (1 << (len - 1));
+ unsigned mask = (signbit << 1) - 1;
+ return ((x & mask) ^ signbit) - signbit;
}
-static INLINE unsigned int
-assemble_12 (x, y)
- unsigned int x, y;
+static inline unsigned ATTRIBUTE_UNUSED
+low_sign_extend (unsigned x, unsigned len)
{
- return CATENATE (CATENATE (y, 1, GET_BIT (x, 10), 1), 2,
- GET_FIELD (x, 0, 9), 9);
+ return (x >> 1) - ((x & 1) << (len - 1));
}
-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 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);
-}
+/* The re_assemble_* functions prepare an immediate value for
+ insertion into an opcode. pa-risc uses all sorts of weird bitfields
+ in the instruction to hold the value. */
-
-static INLINE unsigned long
-assemble_16a (x, y, z)
- unsigned int x, y, z;
+static inline unsigned ATTRIBUTE_UNUSED
+sign_unext (unsigned x, unsigned len)
{
- /* Depends on PSW W-bit !*/
- unsigned int temp;
+ unsigned len_ones;
- 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);
+ len_ones = (1 << len) - 1;
- return sign_extend ((temp << 2), 16);
+ return x & len_ones;
}
-static INLINE unsigned long
-assemble_17 (x, y, z)
- unsigned int x, y, z;
+static inline unsigned ATTRIBUTE_UNUSED
+low_sign_unext (unsigned x, unsigned len)
{
- unsigned long temp;
+ unsigned temp;
+ unsigned sign;
- temp = CATENATE (CATENATE (z, 1, x, 5), 6,
- CATENATE (GET_BIT (y, 10), 1, GET_FIELD (y, 0, 9), 10), 11);
-
- return temp;
-}
+ sign = (x >> (len-1)) & 1;
-static INLINE void
-dis_assemble_17 (as17, x, y, z)
- unsigned int as17;
- unsigned int *x, *y, *z;
-{
+ temp = sign_unext (x, len-1);
- *z = (as17 & 0x10000) >> 16;
- *x = (as17 & 0x0f800) >> 11;
- *y = (((as17 & 0x00400) >> 10) | ((as17 & 0x3ff) << 1)) & 0x7ff;
+ return (temp << 1) | sign;
}
-static INLINE unsigned long
-assemble_21 (x)
- unsigned int x;
+static inline unsigned ATTRIBUTE_UNUSED
+re_assemble_3 (unsigned as3)
{
- unsigned long temp;
-
- temp = ((x & 1) << 20) |
- ((x & 0xffe) << 8) |
- ((x & 0xc000) >> 7) |
- ((x & 0x1f0000) >> 14) |
- ((x & 0x003000) >> 12);
- return temp & 0x1fffff;
+ return (( (as3 & 4) << (13-2))
+ | ((as3 & 3) << (13+1)));
}
-static INLINE unsigned long
-assemble_22 (a,b,c,d)
- unsigned int a,b,c,d;
+static inline unsigned ATTRIBUTE_UNUSED
+re_assemble_12 (unsigned as12)
{
- unsigned long temp;
-
- temp = CATENATE (CATENATE (d, 1, a, 5), 6,
- CATENATE (b, 5, ELEVEN (c), 11), 16);
-
- return sign_extend (temp, 22);
+ return (( (as12 & 0x800) >> 11)
+ | ((as12 & 0x400) >> (10 - 2))
+ | ((as12 & 0x3ff) << (1 + 2)));
}
-static INLINE void
-dis_assemble_21 (as21, x)
- unsigned int as21, *x;
+static inline unsigned ATTRIBUTE_UNUSED
+re_assemble_14 (unsigned as14)
{
- 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;
+ return (( (as14 & 0x1fff) << 1)
+ | ((as14 & 0x2000) >> 13));
}
-static INLINE unsigned int
-ones (n)
- int n;
+static inline unsigned ATTRIBUTE_UNUSED
+re_assemble_16 (unsigned as16)
{
- unsigned int len_ones;
- int i;
+ unsigned s, t;
- i = 0;
- len_ones = 0;
- while (i < n)
- {
- len_ones = (len_ones << 1) | 1;
- i++;
- }
-
- return len_ones;
+ /* Unusual 16-bit encoding, for wide mode only. */
+ t = (as16 << 1) & 0xffff;
+ s = (as16 & 0x8000);
+ return (t ^ s ^ (s >> 1)) | (s >> 15);
}
-static INLINE void
-sign_unext (x, len, result)
- unsigned int x, len;
- unsigned int *result;
+static inline unsigned ATTRIBUTE_UNUSED
+re_assemble_17 (unsigned as17)
{
- unsigned int len_ones;
-
- len_ones = ones (len);
-
- *result = x & len_ones;
+ return (( (as17 & 0x10000) >> 16)
+ | ((as17 & 0x0f800) << (16 - 11))
+ | ((as17 & 0x00400) >> (10 - 2))
+ | ((as17 & 0x003ff) << (1 + 2)));
}
-static INLINE unsigned long
-low_sign_extend (x, len)
- unsigned int x, len;
+static inline unsigned ATTRIBUTE_UNUSED
+re_assemble_21 (unsigned as21)
{
- return (int)((x & 0x1 ? (-1 << (len - 1)) : 0) | x >> 1);
+ return (( (as21 & 0x100000) >> 20)
+ | ((as21 & 0x0ffe00) >> 8)
+ | ((as21 & 0x000180) << 7)
+ | ((as21 & 0x00007c) << 14)
+ | ((as21 & 0x000003) << 12));
}
-static INLINE void
-low_sign_unext (x, len, result)
- unsigned int x, len;
- unsigned int *result;
+static inline unsigned ATTRIBUTE_UNUSED
+re_assemble_22 (unsigned as22)
{
- 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);
+ return (( (as22 & 0x200000) >> 21)
+ | ((as22 & 0x1f0000) << (21 - 16))
+ | ((as22 & 0x00f800) << (16 - 11))
+ | ((as22 & 0x000400) >> (10 - 2))
+ | ((as22 & 0x0003ff) << (1 + 2)));
+}
- sign_unext (x, len, &temp);
- sign = temp & one_bit_at_len;
- sign >>= (len - 1);
- rest = temp & (len_ones ^ one_bit_at_len);
- rest <<= 1;
+/* Handle field selectors for PA instructions.
+ The L and R (and LS, RS etc.) selectors are used in pairs to form a
+ full 32 bit address. eg.
- *result = rest | sign;
-}
+ LDIL L'start,%r1 ; put left part into r1
+ LDW R'start(%r1),%r2 ; add r1 and right part to form address
-/* Handle field selectors for PA instructions. */
+ This function returns sign extended values in all cases.
+*/
-static INLINE unsigned long
-hppa_field_adjust (value, constant_value, r_field)
- unsigned long value;
- unsigned long constant_value;
- unsigned short r_field;
+static inline bfd_signed_vma ATTRIBUTE_UNUSED
+hppa_field_adjust (bfd_vma sym_val,
+ bfd_signed_vma addend,
+ enum hppa_reloc_field_selector_type_alt r_field)
{
+ bfd_signed_vma value;
+
+ value = sym_val + addend;
switch (r_field)
{
- case e_fsel: /* F : no change */
- case e_nsel: /* N : no change */
- value += constant_value;
+ case e_fsel:
+ /* F: No change. */
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;
+ case e_nsel:
+ /* N: null selector. I don't really understand what this is all
+ about, but HP's documentation says "this indicates that zero
+ bits are to be used for the displacement on the instruction.
+ This fixup is used to identify three-instruction sequences to
+ access data (for importing shared library data)." */
+ value = 0;
break;
- case e_rssel: /* RS : Sign extend from bit 21 */
- value += constant_value;
- if (value & 0x00000400)
- value |= 0xfffff800;
- else
- value &= 0x7ff;
+ case e_lsel:
+ case e_nlsel:
+ /* L: Select top 21 bits. */
+ value = value >> 11;
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;
+ case e_rsel:
+ /* R: Select bottom 11 bits. */
+ value = value & 0x7ff;
break;
- case e_rsel: /* R : Set bits 0-20 to zero */
- value += constant_value;
- value = value & 0x7ff;
+ case e_lssel:
+ /* LS: Round to nearest multiple of 2048 then select top 21 bits. */
+ value = value + 0x400;
+ value = value >> 11;
break;
- case e_ldsel: /* LD : Add 0x800, arithmetic shift
- right 11 bits */
- value += constant_value;
- value += 0x800;
- value = (value & 0xfffff800) >> 11;
+ case e_rssel:
+ /* RS: Select bottom 11 bits for LS.
+ We need to return a value such that 2048 * LS'x + RS'x == x.
+ ie. RS'x = x - ((x + 0x400) & -0x800)
+ this is just a sign extension from bit 21. */
+ value = ((value & 0x7ff) ^ 0x400) - 0x400;
break;
- case e_rdsel: /* RD : Set bits 0-20 to one */
- value += constant_value;
- value |= 0xfffff800;
+ case e_ldsel:
+ /* LD: Round to next multiple of 2048 then select top 21 bits.
+ Yes, if we are already on a multiple of 2048, we go up to the
+ next one. RD in this case will be -2048. */
+ value = value + 0x800;
+ value = value >> 11;
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;
+ case e_rdsel:
+ /* RD: Set bits 0-20 to one. */
+ value = value | -0x800;
break;
- case e_rrsel: /* RR : R with "rounded" constant */
- value = value + ((constant_value + 0x1000) & 0xffffe000);
- value = (value & 0x7ff) + constant_value - ((constant_value + 0x1000) & 0xffffe000);
+ case e_lrsel:
+ case e_nlrsel:
+ /* LR: L with rounding of the addend to nearest 8k. */
+ value = sym_val + ((addend + 0x1000) & -0x2000);
+ value = value >> 11;
+ break;
+
+ case e_rrsel:
+ /* RR: R with rounding of the addend to nearest 8k.
+ We need to return a value such that 2048 * LR'x + RR'x == x
+ ie. RR'x = s+a - (s + (((a + 0x1000) & -0x2000) & -0x800))
+ . = s+a - ((s & -0x800) + ((a + 0x1000) & -0x2000))
+ . = (s & 0x7ff) + a - ((a + 0x1000) & -0x2000) */
+ value = (sym_val & 0x7ff) + (((addend & 0x1fff) ^ 0x1000) - 0x1000);
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
-
-
-/* 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 char
-bfd_hppa_insn2fmt (insn)
- unsigned long insn;
+#define get_opcode(insn) (((insn) >> 26) & 0x3f)
+
+enum hppa_opcode_type
+{
+ /* None of the opcodes in the first group generate relocs, so we
+ aren't too concerned about them. */
+ OP_SYSOP = 0x00,
+ OP_MEMMNG = 0x01,
+ OP_ALU = 0x02,
+ OP_NDXMEM = 0x03,
+ OP_SPOP = 0x04,
+ OP_DIAG = 0x05,
+ OP_FMPYADD = 0x06,
+ OP_UNDEF07 = 0x07,
+ OP_COPRW = 0x09,
+ OP_COPRDW = 0x0b,
+ OP_COPR = 0x0c,
+ OP_FLOAT = 0x0e,
+ OP_PRDSPEC = 0x0f,
+ OP_UNDEF15 = 0x15,
+ OP_UNDEF1d = 0x1d,
+ OP_FMPYSUB = 0x26,
+ OP_FPFUSED = 0x2e,
+ OP_SHEXDP0 = 0x34,
+ OP_SHEXDP1 = 0x35,
+ OP_SHEXDP2 = 0x36,
+ OP_UNDEF37 = 0x37,
+ OP_SHEXDP3 = 0x3c,
+ OP_SHEXDP4 = 0x3d,
+ OP_MULTMED = 0x3e,
+ OP_UNDEF3f = 0x3f,
+
+ OP_LDIL = 0x08,
+ OP_ADDIL = 0x0a,
+
+ OP_LDO = 0x0d,
+ OP_LDB = 0x10,
+ OP_LDH = 0x11,
+ OP_LDW = 0x12,
+ OP_LDWM = 0x13,
+ OP_STB = 0x18,
+ OP_STH = 0x19,
+ OP_STW = 0x1a,
+ OP_STWM = 0x1b,
+
+ OP_LDD = 0x14,
+ OP_STD = 0x1c,
+
+ OP_FLDW = 0x16,
+ OP_LDWL = 0x17,
+ OP_FSTW = 0x1e,
+ OP_STWL = 0x1f,
+
+ OP_COMBT = 0x20,
+ OP_COMIBT = 0x21,
+ OP_COMBF = 0x22,
+ OP_COMIBF = 0x23,
+ OP_CMPBDT = 0x27,
+ OP_ADDBT = 0x28,
+ OP_ADDIBT = 0x29,
+ OP_ADDBF = 0x2a,
+ OP_ADDIBF = 0x2b,
+ OP_CMPBDF = 0x2f,
+ OP_BVB = 0x30,
+ OP_BB = 0x31,
+ OP_MOVB = 0x32,
+ OP_MOVIB = 0x33,
+ OP_CMPIBD = 0x3b,
+
+ OP_COMICLR = 0x24,
+ OP_SUBI = 0x25,
+ OP_ADDIT = 0x2c,
+ OP_ADDI = 0x2d,
+
+ OP_BE = 0x38,
+ OP_BLE = 0x39,
+ OP_BL = 0x3a
+};
+
+
+/* Given a machine instruction, return its format. */
+
+static inline unsigned ATTRIBUTE_UNUSED
+bfd_hppa_insn2fmt (bfd *abfd, unsigned insn)
{
- char fmt = -1;
- unsigned char op = get_opcode (insn);
-
+ enum hppa_opcode_type op = (enum hppa_opcode_type) 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:
- 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 BL:
- case BE:
- case BLE:
- fmt = 17;
- break;
- case LDIL:
- case ADDIL:
- fmt = 21;
- break;
+ case OP_COMICLR:
+ case OP_SUBI:
+ case OP_ADDIT:
+ case OP_ADDI:
+ return 11;
+
+ case OP_COMBT:
+ case OP_COMIBT:
+ case OP_COMBF:
+ case OP_COMIBF:
+ case OP_CMPBDT:
+ case OP_ADDBT:
+ case OP_ADDIBT:
+ case OP_ADDBF:
+ case OP_ADDIBF:
+ case OP_CMPBDF:
+ case OP_BVB:
+ case OP_BB:
+ case OP_MOVB:
+ case OP_MOVIB:
+ case OP_CMPIBD:
+ return 12;
+
+ case OP_LDO:
+ case OP_LDB:
+ case OP_LDH:
+ case OP_LDW:
+ case OP_LDWM:
+ case OP_STB:
+ case OP_STH:
+ case OP_STW:
+ case OP_STWM:
+ if (abfd->arch_info->mach >= 25)
+ return 16; /* Wide mode, format 16. */
+ return 14;
+
+ case OP_FLDW:
+ case OP_LDWL:
+ case OP_FSTW:
+ case OP_STWL:
+ /* 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 11a format. */
+ if (abfd->arch_info->mach >= 25)
+ return -16; /* Wide mode, format 16a. */
+ return -11;
+
+ case OP_LDD:
+ case OP_STD:
+ if (abfd->arch_info->mach >= 25)
+ return -10; /* Wide mode, format 10a. */
+ return 10;
+
+ case OP_BL:
+ if ((insn & 0x8000) != 0)
+ return 22;
+ /* fall thru */
+ case OP_BE:
+ case OP_BLE:
+ return 17;
+
+ case OP_LDIL:
+ case OP_ADDIL:
+ return 21;
+
default:
- fmt = 32;
break;
}
- return fmt;
+ return 32;
}
/* 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;
- unsigned long insn;
- unsigned long value;
- unsigned long r_format;
-{
- unsigned long const_part;
- unsigned long rebuilt_part;
+static inline unsigned ATTRIBUTE_UNUSED
+hppa_rebuild_insn (unsigned insn, unsigned value, int r_format)
+{
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;
- }
+ return (insn & ~ 0x7ff) | low_sign_unext (value, 11);
case 12:
- {
- unsigned w1, w;
+ return (insn & ~ 0x1ffd) | re_assemble_12 (value);
+
+
+ case 10:
+ return (insn & ~ 0x3ff1) | re_assemble_14 (value & -8);
- const_part = insn & 0xffffe002;
- dis_assemble_12 (value, &w1, &w);
- rebuilt_part = (w1 << 2) | w;
- return const_part | rebuilt_part;
- }
+ case -11:
+ return (insn & ~ 0x3ff9) | re_assemble_14 (value & -4);
case 14:
- {
- unsigned int ext;
-
- const_part = insn & 0xffffc000;
- low_sign_unext (value, 14, &ext);
- return const_part | ext;
- }
+ return (insn & ~ 0x3fff) | re_assemble_14 (value);
- 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 -10:
+ return (insn & ~ 0xfff1) | re_assemble_16 (value & -8);
+
+ case -16:
+ return (insn & ~ 0xfff9) | re_assemble_16 (value & -4);
+
+ case 16:
+ return (insn & ~ 0xffff) | re_assemble_16 (value);
+
+
+ case 17:
+ return (insn & ~ 0x1f1ffd) | re_assemble_17 (value);
case 21:
- {
- unsigned int w;
+ return (insn & ~ 0x1fffff) | re_assemble_21 (value);
- const_part = insn & 0xffe00000;
- dis_assemble_21 (value, &w);
- return const_part | w;
- }
+ case 22:
+ return (insn & ~ 0x3ff1ffd) | re_assemble_22 (value);
case 32:
- const_part = 0;
return value;
default:
return insn;
}
-#endif /* _HPPA_H */
+#endif /* _LIBHPPA_H */
projects / deliverable / binutils-gdb.git / blobdiff