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Diffstat (limited to 'bfd/libhppa.h')
| -rw-r--r-- | bfd/libhppa.h | 729 |
1 files changed, 0 insertions, 729 deletions
diff --git a/bfd/libhppa.h b/bfd/libhppa.h deleted file mode 100644 index c32eabe4457..00000000000 --- a/bfd/libhppa.h +++ /dev/null @@ -1,729 +0,0 @@ -/* 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 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}; - -/* 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 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 */ |