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-rw-r--r--opcodes/openrisc-ibld.c982
1 files changed, 0 insertions, 982 deletions
diff --git a/opcodes/openrisc-ibld.c b/opcodes/openrisc-ibld.c
deleted file mode 100644
index ea7535ef4be..00000000000
--- a/opcodes/openrisc-ibld.c
+++ /dev/null
@@ -1,982 +0,0 @@
-/* Instruction building/extraction support for openrisc. -*- C -*-
-
-THIS FILE IS MACHINE GENERATED WITH CGEN: Cpu tools GENerator.
-- the resultant file is machine generated, cgen-ibld.in isn't
-
-Copyright 1996, 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
-
-This file is part of the GNU Binutils and GDB, the GNU debugger.
-
-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, 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. */
-
-/* ??? Eventually more and more of this stuff can go to cpu-independent files.
- Keep that in mind. */
-
-#include "sysdep.h"
-#include <ctype.h>
-#include <stdio.h>
-#include "ansidecl.h"
-#include "dis-asm.h"
-#include "bfd.h"
-#include "symcat.h"
-#include "openrisc-desc.h"
-#include "openrisc-opc.h"
-#include "opintl.h"
-
-#undef min
-#define min(a,b) ((a) < (b) ? (a) : (b))
-#undef max
-#define max(a,b) ((a) > (b) ? (a) : (b))
-
-/* Used by the ifield rtx function. */
-#define FLD(f) (fields->f)
-
-static const char * insert_normal
- PARAMS ((CGEN_CPU_DESC, long, unsigned int, unsigned int, unsigned int,
- unsigned int, unsigned int, unsigned int, CGEN_INSN_BYTES_PTR));
-static const char * insert_insn_normal
- PARAMS ((CGEN_CPU_DESC, const CGEN_INSN *,
- CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma));
-
-static int extract_normal
- PARAMS ((CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, CGEN_INSN_INT,
- unsigned int, unsigned int, unsigned int, unsigned int,
- unsigned int, unsigned int, bfd_vma, long *));
-static int extract_insn_normal
- PARAMS ((CGEN_CPU_DESC, const CGEN_INSN *, CGEN_EXTRACT_INFO *,
- CGEN_INSN_INT, CGEN_FIELDS *, bfd_vma));
-static void put_insn_int_value
- PARAMS ((CGEN_CPU_DESC, CGEN_INSN_BYTES_PTR, int, int, CGEN_INSN_INT));
-
-
-/* Operand insertion. */
-
-#if ! CGEN_INT_INSN_P
-
-/* Subroutine of insert_normal. */
-
-static CGEN_INLINE void
-insert_1 (cd, value, start, length, word_length, bufp)
- CGEN_CPU_DESC cd;
- unsigned long value;
- int start,length,word_length;
- unsigned char *bufp;
-{
- unsigned long x,mask;
- int shift;
- int big_p = CGEN_CPU_INSN_ENDIAN (cd) == CGEN_ENDIAN_BIG;
-
- x = bfd_get_bits (bufp, word_length, big_p);
-
- /* Written this way to avoid undefined behaviour. */
- mask = (((1L << (length - 1)) - 1) << 1) | 1;
- if (CGEN_INSN_LSB0_P)
- shift = (start + 1) - length;
- else
- shift = (word_length - (start + length));
- x = (x & ~(mask << shift)) | ((value & mask) << shift);
-
- bfd_put_bits ((bfd_vma) x, bufp, word_length, big_p);
-}
-
-#endif /* ! CGEN_INT_INSN_P */
-
-/* Default insertion routine.
-
- ATTRS is a mask of the boolean attributes.
- WORD_OFFSET is the offset in bits from the start of the insn of the value.
- WORD_LENGTH is the length of the word in bits in which the value resides.
- START is the starting bit number in the word, architecture origin.
- LENGTH is the length of VALUE in bits.
- TOTAL_LENGTH is the total length of the insn in bits.
-
- The result is an error message or NULL if success. */
-
-/* ??? This duplicates functionality with bfd's howto table and
- bfd_install_relocation. */
-/* ??? This doesn't handle bfd_vma's. Create another function when
- necessary. */
-
-static const char *
-insert_normal (cd, value, attrs, word_offset, start, length, word_length,
- total_length, buffer)
- CGEN_CPU_DESC cd;
- long value;
- unsigned int attrs;
- unsigned int word_offset, start, length, word_length, total_length;
- CGEN_INSN_BYTES_PTR buffer;
-{
- static char errbuf[100];
- /* Written this way to avoid undefined behaviour. */
- unsigned long mask = (((1L << (length - 1)) - 1) << 1) | 1;
-
- /* If LENGTH is zero, this operand doesn't contribute to the value. */
- if (length == 0)
- return NULL;
-
-#if 0
- if (CGEN_INT_INSN_P
- && word_offset != 0)
- abort ();
-#endif
-
- if (word_length > 32)
- abort ();
-
- /* For architectures with insns smaller than the base-insn-bitsize,
- word_length may be too big. */
- if (cd->min_insn_bitsize < cd->base_insn_bitsize)
- {
- if (word_offset == 0
- && word_length > total_length)
- word_length = total_length;
- }
-
- /* Ensure VALUE will fit. */
- if (! CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED))
- {
- unsigned long maxval = mask;
-
- if ((unsigned long) value > maxval)
- {
- /* xgettext:c-format */
- sprintf (errbuf,
- _("operand out of range (%lu not between 0 and %lu)"),
- value, maxval);
- return errbuf;
- }
- }
- else
- {
- if (! cgen_signed_overflow_ok_p (cd))
- {
- long minval = - (1L << (length - 1));
- long maxval = (1L << (length - 1)) - 1;
-
- if (value < minval || value > maxval)
- {
- sprintf
- /* xgettext:c-format */
- (errbuf, _("operand out of range (%ld not between %ld and %ld)"),
- value, minval, maxval);
- return errbuf;
- }
- }
- }
-
-#if CGEN_INT_INSN_P
-
- {
- int shift;
-
- if (CGEN_INSN_LSB0_P)
- shift = (word_offset + start + 1) - length;
- else
- shift = total_length - (word_offset + start + length);
- *buffer = (*buffer & ~(mask << shift)) | ((value & mask) << shift);
- }
-
-#else /* ! CGEN_INT_INSN_P */
-
- {
- unsigned char *bufp = (unsigned char *) buffer + word_offset / 8;
-
- insert_1 (cd, value, start, length, word_length, bufp);
- }
-
-#endif /* ! CGEN_INT_INSN_P */
-
- return NULL;
-}
-
-/* Default insn builder (insert handler).
- The instruction is recorded in CGEN_INT_INSN_P byte order (meaning
- that if CGEN_INSN_BYTES_PTR is an int * and thus, the value is
- recorded in host byte order, otherwise BUFFER is an array of bytes
- and the value is recorded in target byte order).
- The result is an error message or NULL if success. */
-
-static const char *
-insert_insn_normal (cd, insn, fields, buffer, pc)
- CGEN_CPU_DESC cd;
- const CGEN_INSN * insn;
- CGEN_FIELDS * fields;
- CGEN_INSN_BYTES_PTR buffer;
- bfd_vma pc;
-{
- const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);
- unsigned long value;
- const CGEN_SYNTAX_CHAR_TYPE * syn;
-
- CGEN_INIT_INSERT (cd);
- value = CGEN_INSN_BASE_VALUE (insn);
-
- /* If we're recording insns as numbers (rather than a string of bytes),
- target byte order handling is deferred until later. */
-
-#if CGEN_INT_INSN_P
-
- put_insn_int_value (cd, buffer, cd->base_insn_bitsize,
- CGEN_FIELDS_BITSIZE (fields), value);
-
-#else
-
- cgen_put_insn_value (cd, buffer, min (cd->base_insn_bitsize,
- CGEN_FIELDS_BITSIZE (fields)),
- value);
-
-#endif /* ! CGEN_INT_INSN_P */
-
- /* ??? It would be better to scan the format's fields.
- Still need to be able to insert a value based on the operand though;
- e.g. storing a branch displacement that got resolved later.
- Needs more thought first. */
-
- for (syn = CGEN_SYNTAX_STRING (syntax); * syn; ++ syn)
- {
- const char *errmsg;
-
- if (CGEN_SYNTAX_CHAR_P (* syn))
- continue;
-
- errmsg = (* cd->insert_operand) (cd, CGEN_SYNTAX_FIELD (*syn),
- fields, buffer, pc);
- if (errmsg)
- return errmsg;
- }
-
- return NULL;
-}
-
-/* Cover function to store an insn value into an integral insn. Must go here
- because it needs <prefix>-desc.h for CGEN_INT_INSN_P. */
-
-static void
-put_insn_int_value (cd, buf, length, insn_length, value)
- CGEN_CPU_DESC cd ATTRIBUTE_UNUSED;
- CGEN_INSN_BYTES_PTR buf;
- int length;
- int insn_length;
- CGEN_INSN_INT value;
-{
- /* For architectures with insns smaller than the base-insn-bitsize,
- length may be too big. */
- if (length > insn_length)
- *buf = value;
- else
- {
- int shift = insn_length - length;
- /* Written this way to avoid undefined behaviour. */
- CGEN_INSN_INT mask = (((1L << (length - 1)) - 1) << 1) | 1;
- *buf = (*buf & ~(mask << shift)) | ((value & mask) << shift);
- }
-}
-
-/* Operand extraction. */
-
-#if ! CGEN_INT_INSN_P
-
-/* Subroutine of extract_normal.
- Ensure sufficient bytes are cached in EX_INFO.
- OFFSET is the offset in bytes from the start of the insn of the value.
- BYTES is the length of the needed value.
- Returns 1 for success, 0 for failure. */
-
-static CGEN_INLINE int
-fill_cache (cd, ex_info, offset, bytes, pc)
- CGEN_CPU_DESC cd;
- CGEN_EXTRACT_INFO *ex_info;
- int offset, bytes;
- bfd_vma pc;
-{
- /* It's doubtful that the middle part has already been fetched so
- we don't optimize that case. kiss. */
- int mask;
- disassemble_info *info = (disassemble_info *) ex_info->dis_info;
-
- /* First do a quick check. */
- mask = (1 << bytes) - 1;
- if (((ex_info->valid >> offset) & mask) == mask)
- return 1;
-
- /* Search for the first byte we need to read. */
- for (mask = 1 << offset; bytes > 0; --bytes, ++offset, mask <<= 1)
- if (! (mask & ex_info->valid))
- break;
-
- if (bytes)
- {
- int status;
-
- pc += offset;
- status = (*info->read_memory_func)
- (pc, ex_info->insn_bytes + offset, bytes, info);
-
- if (status != 0)
- {
- (*info->memory_error_func) (status, pc, info);
- return 0;
- }
-
- ex_info->valid |= ((1 << bytes) - 1) << offset;
- }
-
- return 1;
-}
-
-/* Subroutine of extract_normal. */
-
-static CGEN_INLINE long
-extract_1 (cd, ex_info, start, length, word_length, bufp, pc)
- CGEN_CPU_DESC cd;
- CGEN_EXTRACT_INFO *ex_info;
- int start,length,word_length;
- unsigned char *bufp;
- bfd_vma pc;
-{
- unsigned long x;
- int shift;
- int big_p = CGEN_CPU_INSN_ENDIAN (cd) == CGEN_ENDIAN_BIG;
-
- x = bfd_get_bits (bufp, word_length, big_p);
-
- if (CGEN_INSN_LSB0_P)
- shift = (start + 1) - length;
- else
- shift = (word_length - (start + length));
- return x >> shift;
-}
-
-#endif /* ! CGEN_INT_INSN_P */
-
-/* Default extraction routine.
-
- INSN_VALUE is the first base_insn_bitsize bits of the insn in host order,
- or sometimes less for cases like the m32r where the base insn size is 32
- but some insns are 16 bits.
- ATTRS is a mask of the boolean attributes. We only need `SIGNED',
- but for generality we take a bitmask of all of them.
- WORD_OFFSET is the offset in bits from the start of the insn of the value.
- WORD_LENGTH is the length of the word in bits in which the value resides.
- START is the starting bit number in the word, architecture origin.
- LENGTH is the length of VALUE in bits.
- TOTAL_LENGTH is the total length of the insn in bits.
-
- Returns 1 for success, 0 for failure. */
-
-/* ??? The return code isn't properly used. wip. */
-
-/* ??? This doesn't handle bfd_vma's. Create another function when
- necessary. */
-
-static int
-extract_normal (cd, ex_info, insn_value, attrs, word_offset, start, length,
- word_length, total_length, pc, valuep)
- CGEN_CPU_DESC cd;
-#if ! CGEN_INT_INSN_P
- CGEN_EXTRACT_INFO *ex_info;
-#else
- CGEN_EXTRACT_INFO *ex_info ATTRIBUTE_UNUSED;
-#endif
- CGEN_INSN_INT insn_value;
- unsigned int attrs;
- unsigned int word_offset, start, length, word_length, total_length;
-#if ! CGEN_INT_INSN_P
- bfd_vma pc;
-#else
- bfd_vma pc ATTRIBUTE_UNUSED;
-#endif
- long *valuep;
-{
- CGEN_INSN_INT value, mask;
-
- /* If LENGTH is zero, this operand doesn't contribute to the value
- so give it a standard value of zero. */
- if (length == 0)
- {
- *valuep = 0;
- return 1;
- }
-
-#if 0
- if (CGEN_INT_INSN_P
- && word_offset != 0)
- abort ();
-#endif
-
- if (word_length > 32)
- abort ();
-
- /* For architectures with insns smaller than the insn-base-bitsize,
- word_length may be too big. */
- if (cd->min_insn_bitsize < cd->base_insn_bitsize)
- {
- if (word_offset == 0
- && word_length > total_length)
- word_length = total_length;
- }
-
- /* Does the value reside in INSN_VALUE? */
-
- if (CGEN_INT_INSN_P || word_offset == 0)
- {
- if (CGEN_INSN_LSB0_P)
- value = insn_value >> ((word_offset + start + 1) - length);
- else
- value = insn_value >> (total_length - ( word_offset + start + length));
- }
-
-#if ! CGEN_INT_INSN_P
-
- else
- {
- unsigned char *bufp = ex_info->insn_bytes + word_offset / 8;
-
- if (word_length > 32)
- abort ();
-
- if (fill_cache (cd, ex_info, word_offset / 8, word_length / 8, pc) == 0)
- return 0;
-
- value = extract_1 (cd, ex_info, start, length, word_length, bufp, pc);
- }
-
-#endif /* ! CGEN_INT_INSN_P */
-
- /* Written this way to avoid undefined behaviour. */
- mask = (((1L << (length - 1)) - 1) << 1) | 1;
-
- value &= mask;
- /* sign extend? */
- if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED)
- && (value & (1L << (length - 1))))
- value |= ~mask;
-
- *valuep = value;
-
- return 1;
-}
-
-/* Default insn extractor.
-
- INSN_VALUE is the first base_insn_bitsize bits, translated to host order.
- The extracted fields are stored in FIELDS.
- EX_INFO is used to handle reading variable length insns.
- Return the length of the insn in bits, or 0 if no match,
- or -1 if an error occurs fetching data (memory_error_func will have
- been called). */
-
-static int
-extract_insn_normal (cd, insn, ex_info, insn_value, fields, pc)
- CGEN_CPU_DESC cd;
- const CGEN_INSN *insn;
- CGEN_EXTRACT_INFO *ex_info;
- CGEN_INSN_INT insn_value;
- CGEN_FIELDS *fields;
- bfd_vma pc;
-{
- const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);
- const CGEN_SYNTAX_CHAR_TYPE *syn;
-
- CGEN_FIELDS_BITSIZE (fields) = CGEN_INSN_BITSIZE (insn);
-
- CGEN_INIT_EXTRACT (cd);
-
- for (syn = CGEN_SYNTAX_STRING (syntax); *syn; ++syn)
- {
- int length;
-
- if (CGEN_SYNTAX_CHAR_P (*syn))
- continue;
-
- length = (* cd->extract_operand) (cd, CGEN_SYNTAX_FIELD (*syn),
- ex_info, insn_value, fields, pc);
- if (length <= 0)
- return length;
- }
-
- /* We recognized and successfully extracted this insn. */
- return CGEN_INSN_BITSIZE (insn);
-}
-
-/* machine generated code added here */
-
-/* Main entry point for operand insertion.
-
- This function is basically just a big switch statement. Earlier versions
- used tables to look up the function to use, but
- - if the table contains both assembler and disassembler functions then
- the disassembler contains much of the assembler and vice-versa,
- - there's a lot of inlining possibilities as things grow,
- - using a switch statement avoids the function call overhead.
-
- This function could be moved into `parse_insn_normal', but keeping it
- separate makes clear the interface between `parse_insn_normal' and each of
- the handlers. It's also needed by GAS to insert operands that couldn't be
- resolved during parsing.
-*/
-
-const char *
-openrisc_cgen_insert_operand (cd, opindex, fields, buffer, pc)
- CGEN_CPU_DESC cd;
- int opindex;
- CGEN_FIELDS * fields;
- CGEN_INSN_BYTES_PTR buffer;
- bfd_vma pc;
-{
- const char * errmsg = NULL;
- unsigned int total_length = CGEN_FIELDS_BITSIZE (fields);
-
- switch (opindex)
- {
- case OPENRISC_OPERAND_ABS_26 :
- {
- long value = fields->f_abs26;
- value = ((unsigned int) (pc) >> (2));
- errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_SIGNED)|(1<<CGEN_IFLD_ABS_ADDR), 0, 25, 26, 32, total_length, buffer);
- }
- break;
- case OPENRISC_OPERAND_DISP_26 :
- {
- long value = fields->f_disp26;
- value = ((int) (((value) - (pc))) >> (2));
- errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_SIGNED)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 25, 26, 32, total_length, buffer);
- }
- break;
- case OPENRISC_OPERAND_HI16 :
- errmsg = insert_normal (cd, fields->f_simm16, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, buffer);
- break;
- case OPENRISC_OPERAND_LO16 :
- errmsg = insert_normal (cd, fields->f_lo16, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, buffer);
- break;
- case OPENRISC_OPERAND_OP_F_23 :
- errmsg = insert_normal (cd, fields->f_op4, 0, 0, 23, 3, 32, total_length, buffer);
- break;
- case OPENRISC_OPERAND_OP_F_3 :
- errmsg = insert_normal (cd, fields->f_op5, 0, 0, 25, 5, 32, total_length, buffer);
- break;
- case OPENRISC_OPERAND_RA :
- errmsg = insert_normal (cd, fields->f_r2, 0, 0, 20, 5, 32, total_length, buffer);
- break;
- case OPENRISC_OPERAND_RB :
- errmsg = insert_normal (cd, fields->f_r3, 0, 0, 15, 5, 32, total_length, buffer);
- break;
- case OPENRISC_OPERAND_RD :
- errmsg = insert_normal (cd, fields->f_r1, 0, 0, 25, 5, 32, total_length, buffer);
- break;
- case OPENRISC_OPERAND_SIMM_16 :
- errmsg = insert_normal (cd, fields->f_simm16, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, buffer);
- break;
- case OPENRISC_OPERAND_UI16NC :
- {
-{
- FLD (f_i16_2) = ((((unsigned int) (FLD (f_i16nc)) >> (11))) & (31));
- FLD (f_i16_1) = ((FLD (f_i16nc)) & (2047));
-}
- errmsg = insert_normal (cd, fields->f_i16_1, 0, 0, 10, 11, 32, total_length, buffer);
- if (errmsg)
- break;
- errmsg = insert_normal (cd, fields->f_i16_2, 0, 0, 25, 5, 32, total_length, buffer);
- if (errmsg)
- break;
- }
- break;
- case OPENRISC_OPERAND_UIMM_16 :
- errmsg = insert_normal (cd, fields->f_uimm16, 0, 0, 15, 16, 32, total_length, buffer);
- break;
- case OPENRISC_OPERAND_UIMM_5 :
- errmsg = insert_normal (cd, fields->f_uimm5, 0, 0, 4, 5, 32, total_length, buffer);
- break;
-
- default :
- /* xgettext:c-format */
- fprintf (stderr, _("Unrecognized field %d while building insn.\n"),
- opindex);
- abort ();
- }
-
- return errmsg;
-}
-
-/* Main entry point for operand extraction.
- The result is <= 0 for error, >0 for success.
- ??? Actual values aren't well defined right now.
-
- This function is basically just a big switch statement. Earlier versions
- used tables to look up the function to use, but
- - if the table contains both assembler and disassembler functions then
- the disassembler contains much of the assembler and vice-versa,
- - there's a lot of inlining possibilities as things grow,
- - using a switch statement avoids the function call overhead.
-
- This function could be moved into `print_insn_normal', but keeping it
- separate makes clear the interface between `print_insn_normal' and each of
- the handlers.
-*/
-
-int
-openrisc_cgen_extract_operand (cd, opindex, ex_info, insn_value, fields, pc)
- CGEN_CPU_DESC cd;
- int opindex;
- CGEN_EXTRACT_INFO *ex_info;
- CGEN_INSN_INT insn_value;
- CGEN_FIELDS * fields;
- bfd_vma pc;
-{
- /* Assume success (for those operands that are nops). */
- int length = 1;
- unsigned int total_length = CGEN_FIELDS_BITSIZE (fields);
-
- switch (opindex)
- {
- case OPENRISC_OPERAND_ABS_26 :
- {
- long value;
- length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED)|(1<<CGEN_IFLD_ABS_ADDR), 0, 25, 26, 32, total_length, pc, & value);
- value = ((value) << (2));
- fields->f_abs26 = value;
- }
- break;
- case OPENRISC_OPERAND_DISP_26 :
- {
- long value;
- length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 25, 26, 32, total_length, pc, & value);
- value = ((((value) << (2))) + (pc));
- fields->f_disp26 = value;
- }
- break;
- case OPENRISC_OPERAND_HI16 :
- length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, pc, & fields->f_simm16);
- break;
- case OPENRISC_OPERAND_LO16 :
- length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, pc, & fields->f_lo16);
- break;
- case OPENRISC_OPERAND_OP_F_23 :
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 23, 3, 32, total_length, pc, & fields->f_op4);
- break;
- case OPENRISC_OPERAND_OP_F_3 :
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_op5);
- break;
- case OPENRISC_OPERAND_RA :
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 20, 5, 32, total_length, pc, & fields->f_r2);
- break;
- case OPENRISC_OPERAND_RB :
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 5, 32, total_length, pc, & fields->f_r3);
- break;
- case OPENRISC_OPERAND_RD :
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_r1);
- break;
- case OPENRISC_OPERAND_SIMM_16 :
- length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, pc, & fields->f_simm16);
- break;
- case OPENRISC_OPERAND_UI16NC :
- {
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 10, 11, 32, total_length, pc, & fields->f_i16_1);
- if (length <= 0) break;
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_i16_2);
- if (length <= 0) break;
-{
- FLD (f_i16nc) = openrisc_sign_extend_16bit (((((FLD (f_i16_2)) << (11))) | (FLD (f_i16_1))));
-}
- }
- break;
- case OPENRISC_OPERAND_UIMM_16 :
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_uimm16);
- break;
- case OPENRISC_OPERAND_UIMM_5 :
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 4, 5, 32, total_length, pc, & fields->f_uimm5);
- break;
-
- default :
- /* xgettext:c-format */
- fprintf (stderr, _("Unrecognized field %d while decoding insn.\n"),
- opindex);
- abort ();
- }
-
- return length;
-}
-
-cgen_insert_fn * const openrisc_cgen_insert_handlers[] =
-{
- insert_insn_normal,
-};
-
-cgen_extract_fn * const openrisc_cgen_extract_handlers[] =
-{
- extract_insn_normal,
-};
-
-/* Getting values from cgen_fields is handled by a collection of functions.
- They are distinguished by the type of the VALUE argument they return.
- TODO: floating point, inlining support, remove cases where result type
- not appropriate. */
-
-int
-openrisc_cgen_get_int_operand (cd, opindex, fields)
- CGEN_CPU_DESC cd;
- int opindex;
- const CGEN_FIELDS * fields;
-{
- int value;
-
- switch (opindex)
- {
- case OPENRISC_OPERAND_ABS_26 :
- value = fields->f_abs26;
- break;
- case OPENRISC_OPERAND_DISP_26 :
- value = fields->f_disp26;
- break;
- case OPENRISC_OPERAND_HI16 :
- value = fields->f_simm16;
- break;
- case OPENRISC_OPERAND_LO16 :
- value = fields->f_lo16;
- break;
- case OPENRISC_OPERAND_OP_F_23 :
- value = fields->f_op4;
- break;
- case OPENRISC_OPERAND_OP_F_3 :
- value = fields->f_op5;
- break;
- case OPENRISC_OPERAND_RA :
- value = fields->f_r2;
- break;
- case OPENRISC_OPERAND_RB :
- value = fields->f_r3;
- break;
- case OPENRISC_OPERAND_RD :
- value = fields->f_r1;
- break;
- case OPENRISC_OPERAND_SIMM_16 :
- value = fields->f_simm16;
- break;
- case OPENRISC_OPERAND_UI16NC :
- value = fields->f_i16nc;
- break;
- case OPENRISC_OPERAND_UIMM_16 :
- value = fields->f_uimm16;
- break;
- case OPENRISC_OPERAND_UIMM_5 :
- value = fields->f_uimm5;
- break;
-
- default :
- /* xgettext:c-format */
- fprintf (stderr, _("Unrecognized field %d while getting int operand.\n"),
- opindex);
- abort ();
- }
-
- return value;
-}
-
-bfd_vma
-openrisc_cgen_get_vma_operand (cd, opindex, fields)
- CGEN_CPU_DESC cd;
- int opindex;
- const CGEN_FIELDS * fields;
-{
- bfd_vma value;
-
- switch (opindex)
- {
- case OPENRISC_OPERAND_ABS_26 :
- value = fields->f_abs26;
- break;
- case OPENRISC_OPERAND_DISP_26 :
- value = fields->f_disp26;
- break;
- case OPENRISC_OPERAND_HI16 :
- value = fields->f_simm16;
- break;
- case OPENRISC_OPERAND_LO16 :
- value = fields->f_lo16;
- break;
- case OPENRISC_OPERAND_OP_F_23 :
- value = fields->f_op4;
- break;
- case OPENRISC_OPERAND_OP_F_3 :
- value = fields->f_op5;
- break;
- case OPENRISC_OPERAND_RA :
- value = fields->f_r2;
- break;
- case OPENRISC_OPERAND_RB :
- value = fields->f_r3;
- break;
- case OPENRISC_OPERAND_RD :
- value = fields->f_r1;
- break;
- case OPENRISC_OPERAND_SIMM_16 :
- value = fields->f_simm16;
- break;
- case OPENRISC_OPERAND_UI16NC :
- value = fields->f_i16nc;
- break;
- case OPENRISC_OPERAND_UIMM_16 :
- value = fields->f_uimm16;
- break;
- case OPENRISC_OPERAND_UIMM_5 :
- value = fields->f_uimm5;
- break;
-
- default :
- /* xgettext:c-format */
- fprintf (stderr, _("Unrecognized field %d while getting vma operand.\n"),
- opindex);
- abort ();
- }
-
- return value;
-}
-
-/* Stuffing values in cgen_fields is handled by a collection of functions.
- They are distinguished by the type of the VALUE argument they accept.
- TODO: floating point, inlining support, remove cases where argument type
- not appropriate. */
-
-void
-openrisc_cgen_set_int_operand (cd, opindex, fields, value)
- CGEN_CPU_DESC cd;
- int opindex;
- CGEN_FIELDS * fields;
- int value;
-{
- switch (opindex)
- {
- case OPENRISC_OPERAND_ABS_26 :
- fields->f_abs26 = value;
- break;
- case OPENRISC_OPERAND_DISP_26 :
- fields->f_disp26 = value;
- break;
- case OPENRISC_OPERAND_HI16 :
- fields->f_simm16 = value;
- break;
- case OPENRISC_OPERAND_LO16 :
- fields->f_lo16 = value;
- break;
- case OPENRISC_OPERAND_OP_F_23 :
- fields->f_op4 = value;
- break;
- case OPENRISC_OPERAND_OP_F_3 :
- fields->f_op5 = value;
- break;
- case OPENRISC_OPERAND_RA :
- fields->f_r2 = value;
- break;
- case OPENRISC_OPERAND_RB :
- fields->f_r3 = value;
- break;
- case OPENRISC_OPERAND_RD :
- fields->f_r1 = value;
- break;
- case OPENRISC_OPERAND_SIMM_16 :
- fields->f_simm16 = value;
- break;
- case OPENRISC_OPERAND_UI16NC :
- fields->f_i16nc = value;
- break;
- case OPENRISC_OPERAND_UIMM_16 :
- fields->f_uimm16 = value;
- break;
- case OPENRISC_OPERAND_UIMM_5 :
- fields->f_uimm5 = value;
- break;
-
- default :
- /* xgettext:c-format */
- fprintf (stderr, _("Unrecognized field %d while setting int operand.\n"),
- opindex);
- abort ();
- }
-}
-
-void
-openrisc_cgen_set_vma_operand (cd, opindex, fields, value)
- CGEN_CPU_DESC cd;
- int opindex;
- CGEN_FIELDS * fields;
- bfd_vma value;
-{
- switch (opindex)
- {
- case OPENRISC_OPERAND_ABS_26 :
- fields->f_abs26 = value;
- break;
- case OPENRISC_OPERAND_DISP_26 :
- fields->f_disp26 = value;
- break;
- case OPENRISC_OPERAND_HI16 :
- fields->f_simm16 = value;
- break;
- case OPENRISC_OPERAND_LO16 :
- fields->f_lo16 = value;
- break;
- case OPENRISC_OPERAND_OP_F_23 :
- fields->f_op4 = value;
- break;
- case OPENRISC_OPERAND_OP_F_3 :
- fields->f_op5 = value;
- break;
- case OPENRISC_OPERAND_RA :
- fields->f_r2 = value;
- break;
- case OPENRISC_OPERAND_RB :
- fields->f_r3 = value;
- break;
- case OPENRISC_OPERAND_RD :
- fields->f_r1 = value;
- break;
- case OPENRISC_OPERAND_SIMM_16 :
- fields->f_simm16 = value;
- break;
- case OPENRISC_OPERAND_UI16NC :
- fields->f_i16nc = value;
- break;
- case OPENRISC_OPERAND_UIMM_16 :
- fields->f_uimm16 = value;
- break;
- case OPENRISC_OPERAND_UIMM_5 :
- fields->f_uimm5 = value;
- break;
-
- default :
- /* xgettext:c-format */
- fprintf (stderr, _("Unrecognized field %d while setting vma operand.\n"),
- opindex);
- abort ();
- }
-}
-
-/* Function to call before using the instruction builder tables. */
-
-void
-openrisc_cgen_init_ibld_table (cd)
- CGEN_CPU_DESC cd;
-{
- cd->insert_handlers = & openrisc_cgen_insert_handlers[0];
- cd->extract_handlers = & openrisc_cgen_extract_handlers[0];
-
- cd->insert_operand = openrisc_cgen_insert_operand;
- cd->extract_operand = openrisc_cgen_extract_operand;
-
- cd->get_int_operand = openrisc_cgen_get_int_operand;
- cd->set_int_operand = openrisc_cgen_set_int_operand;
- cd->get_vma_operand = openrisc_cgen_get_vma_operand;
- cd->set_vma_operand = openrisc_cgen_set_vma_operand;
-}
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