12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697989910010110210310410510610710810911011111211311411511611711811912012112212312412512612712812913013113213313413513613713813914014114214314414514614714814915015115215315415515615715815916016116216316416516616716816917017117217317417517617717817918018118218318418518618718818919019119219319419519619719819920020120220320420520620720820921021121221321421521621721821922022122222322422522622722822923023123223323423523623723823924024124224324424524624724824925025125225325425525625725825926026126226326426526626726826927027127227327427527627727827928028128228328428528628728828929029129229329429529629729829930030130230330430530630730830931031131231331431531631731831932032132232332432532632732832933033133233333433533633733833934034134234334434534634734834935035135235335435535635735835936036136236336436536636736836937037137237337437537637737837938038138238338438538638738838939039139239339439539639739839940040140240340440540640740840941041141241341441541641741841942042142242342442542642742842943043143243343443543643743843944044144244344444544644744844945045145245345445545645745845946046146246346446546646746846947047147247347447547647747847948048148248348448548648748848949049149249349449549649749849950050150250350450550650750850951051151251351451551651751851952052152252352452552652752852953053153253353453553653753853954054154254354454554654754854955055155255355455555655755855956056156256356456556656756856957057157257357457557657757857958058158258358458558658758858959059159259359459559659759859960060160260360460560660760860961061161261361461561661761861962062162262362462562662762862963063163263363463563663763863964064164264364464564664764864965065165265365465565665765865966066166266366466566666766866967067167267367467567667767867968068168268368468568668768868969069169269369469569669769869970070170270370470570670770870971071171271371471571671771871972072172272372472572672772872973073173273373473573673773873974074174274374474574674774874975075175275375475575675775875976076176276376476576676776876977077177277377477577677777877978078178278378478578678778878979079179279379479579679779879980080180280380480580680780880981081181281381481581681781881982082182282382482582682782882983083183283383483583683783883984084184284384484584684784884985085185285385485585685785885986086186286386486586686786886987087187287387487587687787887988088188288388488588688788888989089189289389489589689789889990090190290390490590690790890991091191291391491591691791891992092192292392492592692792892993093193293393493593693793893994094194294394494594694794894995095195295395495595695795895996096196296396496596696796896997097197297397497597697797897998098198298398498598698798898999099199299399499599699799899910001001100210031004100510061007100810091010101110121013101410151016101710181019102010211022102310241025102610271028102910301031103210331034103510361037103810391040104110421043104410451046104710481049105010511052105310541055105610571058105910601061106210631064106510661067106810691070107110721073107410751076107710781079108010811082108310841085108610871088108910901091109210931094109510961097109810991100110111021103110411051106110711081109111011111112111311141115111611171118111911201121112211231124112511261127112811291130113111321133113411351136113711381139114011411142114311441145114611471148114911501151115211531154115511561157115811591160116111621163116411651166116711681169117011711172117311741175117611771178117911801181118211831184118511861187118811891190119111921193119411951196119711981199120012011202120312041205120612071208120912101211121212131214121512161217121812191220122112221223122412251226122712281229123012311232123312341235123612371238123912401241124212431244124512461247124812491250125112521253125412551256125712581259126012611262126312641265126612671268126912701271127212731274127512761277127812791280128112821283128412851286128712881289129012911292129312941295129612971298129913001301130213031304130513061307130813091310131113121313131413151316131713181319132013211322132313241325132613271328132913301331133213331334133513361337133813391340134113421343134413451346134713481349135013511352135313541355135613571358135913601361136213631364136513661367136813691370137113721373137413751376137713781379138013811382138313841385138613871388138913901391139213931394139513961397139813991400140114021403140414051406140714081409141014111412141314141415141614171418141914201421142214231424142514261427142814291430143114321433143414351436143714381439144014411442144314441445144614471448144914501451145214531454145514561457145814591460146114621463146414651466146714681469147014711472147314741475147614771478147914801481148214831484148514861487148814891490149114921493149414951496149714981499150015011502150315041505150615071508150915101511151215131514151515161517151815191520152115221523152415251526152715281529153015311532153315341535153615371538153915401541154215431544154515461547154815491550155115521553155415551556155715581559156015611562156315641565156615671568156915701571157215731574157515761577157815791580158115821583158415851586158715881589159015911592159315941595159615971598159916001601160216031604160516061607160816091610161116121613161416151616161716181619162016211622162316241625162616271628162916301631163216331634163516361637163816391640164116421643164416451646164716481649165016511652165316541655165616571658165916601661166216631664166516661667166816691670167116721673167416751676167716781679168016811682168316841685168616871688168916901691169216931694169516961697169816991700170117021703170417051706170717081709171017111712171317141715171617171718171917201721172217231724172517261727 |
- /* DO NOT EDIT! -*- buffer-read-only: t -*- vi:set ro: */
- /* Instruction building/extraction support for epiphany. -*- C -*-
- THIS FILE IS MACHINE GENERATED WITH CGEN: Cpu tools GENerator.
- - the resultant file is machine generated, cgen-ibld.in isn't
- Copyright (C) 1996-2022 Free Software Foundation, Inc.
- This file is part of libopcodes.
- This library 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 3, or (at your option)
- any later version.
- It 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. */
- /* ??? Eventually more and more of this stuff can go to cpu-independent files.
- Keep that in mind. */
- #include "sysdep.h"
- #include <stdio.h>
- #include "ansidecl.h"
- #include "dis-asm.h"
- #include "bfd.h"
- #include "symcat.h"
- #include "epiphany-desc.h"
- #include "epiphany-opc.h"
- #include "cgen/basic-modes.h"
- #include "opintl.h"
- #include "safe-ctype.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
- (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
- (CGEN_CPU_DESC, const CGEN_INSN *,
- CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma);
- static int extract_normal
- (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
- (CGEN_CPU_DESC, const CGEN_INSN *, CGEN_EXTRACT_INFO *,
- CGEN_INSN_INT, CGEN_FIELDS *, bfd_vma);
- #if CGEN_INT_INSN_P
- static void put_insn_int_value
- (CGEN_CPU_DESC, CGEN_INSN_BYTES_PTR, int, int, CGEN_INSN_INT);
- #endif
- #if ! CGEN_INT_INSN_P
- static CGEN_INLINE void insert_1
- (CGEN_CPU_DESC, unsigned long, int, int, int, unsigned char *);
- static CGEN_INLINE int fill_cache
- (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, int, int, bfd_vma);
- static CGEN_INLINE long extract_1
- (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, int, int, int, unsigned char *, bfd_vma);
- #endif
- /* Operand insertion. */
- #if ! CGEN_INT_INSN_P
- /* Subroutine of insert_normal. */
- static CGEN_INLINE void
- insert_1 (CGEN_CPU_DESC cd,
- unsigned long value,
- int start,
- int length,
- int word_length,
- unsigned char *bufp)
- {
- unsigned long x, mask;
- int shift;
- x = cgen_get_insn_value (cd, bufp, word_length, cd->endian);
- /* Written this way to avoid undefined behaviour. */
- mask = (1UL << (length - 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);
- cgen_put_insn_value (cd, bufp, word_length, (bfd_vma) x, cd->endian);
- }
- #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 (CGEN_CPU_DESC cd,
- long value,
- unsigned int attrs,
- unsigned int word_offset,
- unsigned int start,
- unsigned int length,
- unsigned int word_length,
- unsigned int total_length,
- CGEN_INSN_BYTES_PTR buffer)
- {
- static char errbuf[100];
- unsigned long mask;
- /* If LENGTH is zero, this operand doesn't contribute to the value. */
- if (length == 0)
- return NULL;
- /* Written this way to avoid undefined behaviour. */
- mask = (1UL << (length - 1) << 1) - 1;
- if (word_length > 8 * sizeof (CGEN_INSN_INT))
- 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_SIGN_OPT))
- {
- long minval = - (1UL << (length - 1));
- unsigned long maxval = mask;
- if ((value > 0 && (unsigned long) value > maxval)
- || value < minval)
- {
- /* xgettext:c-format */
- sprintf (errbuf,
- _("operand out of range (%ld not between %ld and %lu)"),
- value, minval, maxval);
- return errbuf;
- }
- }
- else if (! CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED))
- {
- unsigned long maxval = mask;
- unsigned long val = (unsigned long) value;
- /* For hosts with a word size > 32 check to see if value has been sign
- extended beyond 32 bits. If so then ignore these higher sign bits
- as the user is attempting to store a 32-bit signed value into an
- unsigned 32-bit field which is allowed. */
- if (sizeof (unsigned long) > 4 && ((value >> 32) == -1))
- val &= 0xFFFFFFFF;
- if (val > maxval)
- {
- /* xgettext:c-format */
- sprintf (errbuf,
- _("operand out of range (0x%lx not between 0 and 0x%lx)"),
- val, maxval);
- return errbuf;
- }
- }
- else
- {
- if (! cgen_signed_overflow_ok_p (cd))
- {
- long minval = - (1UL << (length - 1));
- long maxval = (1UL << (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_within_word, shift_to_word, shift;
- /* How to shift the value to BIT0 of the word. */
- shift_to_word = total_length - (word_offset + word_length);
- /* How to shift the value to the field within the word. */
- if (CGEN_INSN_LSB0_P)
- shift_within_word = start + 1 - length;
- else
- shift_within_word = word_length - start - length;
- /* The total SHIFT, then mask in the value. */
- shift = shift_to_word + shift_within_word;
- *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 (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 ((unsigned) cd->base_insn_bitsize,
- (unsigned) CGEN_FIELDS_BITSIZE (fields)),
- value, cd->insn_endian);
- #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;
- }
- #if CGEN_INT_INSN_P
- /* 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 (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 = length == 0 ? 0 : (1UL << (length - 1) << 1) - 1;
- *buf = (*buf & ~(mask << shift)) | ((value & mask) << shift);
- }
- }
- #endif
- /* 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 (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
- CGEN_EXTRACT_INFO *ex_info,
- int offset,
- int bytes,
- bfd_vma pc)
- {
- /* It's doubtful that the middle part has already been fetched so
- we don't optimize that case. kiss. */
- unsigned 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 (CGEN_CPU_DESC cd,
- CGEN_EXTRACT_INFO *ex_info ATTRIBUTE_UNUSED,
- int start,
- int length,
- int word_length,
- unsigned char *bufp,
- bfd_vma pc ATTRIBUTE_UNUSED)
- {
- unsigned long x;
- int shift;
- x = cgen_get_insn_value (cd, bufp, word_length, cd->endian);
- 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 (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,
- unsigned int start,
- unsigned int length,
- unsigned int word_length,
- unsigned int total_length,
- #if ! CGEN_INT_INSN_P
- bfd_vma pc,
- #else
- bfd_vma pc ATTRIBUTE_UNUSED,
- #endif
- long *valuep)
- {
- long 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 (word_length > 8 * sizeof (CGEN_INSN_INT))
- 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 + word_length > total_length)
- word_length = total_length - word_offset;
- }
- /* Does the value reside in INSN_VALUE, and at the right alignment? */
- if (CGEN_INT_INSN_P || (word_offset == 0 && word_length == total_length))
- {
- 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 > 8 * sizeof (CGEN_INSN_INT))
- abort ();
- if (fill_cache (cd, ex_info, word_offset / 8, word_length / 8, pc) == 0)
- {
- *valuep = 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 = (1UL << (length - 1) << 1) - 1;
- value &= mask;
- /* sign extend? */
- if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED)
- && (value & (1UL << (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 (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. */
- const char * epiphany_cgen_insert_operand
- (CGEN_CPU_DESC, int, CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma);
- /* 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 *
- epiphany_cgen_insert_operand (CGEN_CPU_DESC cd,
- int opindex,
- CGEN_FIELDS * fields,
- CGEN_INSN_BYTES_PTR buffer,
- bfd_vma pc ATTRIBUTE_UNUSED)
- {
- const char * errmsg = NULL;
- unsigned int total_length = CGEN_FIELDS_BITSIZE (fields);
- switch (opindex)
- {
- case EPIPHANY_OPERAND_DIRECTION :
- errmsg = insert_normal (cd, fields->f_addsubx, 0, 0, 20, 1, 32, total_length, buffer);
- break;
- case EPIPHANY_OPERAND_DISP11 :
- {
- {
- FLD (f_disp8) = ((((UINT) (FLD (f_disp11)) >> (3))) & (255));
- FLD (f_disp3) = ((FLD (f_disp11)) & (7));
- }
- errmsg = insert_normal (cd, fields->f_disp3, 0, 0, 9, 3, 32, total_length, buffer);
- if (errmsg)
- break;
- errmsg = insert_normal (cd, fields->f_disp8, 0, 0, 23, 8, 32, total_length, buffer);
- if (errmsg)
- break;
- }
- break;
- case EPIPHANY_OPERAND_DISP3 :
- errmsg = insert_normal (cd, fields->f_disp3, 0, 0, 9, 3, 32, total_length, buffer);
- break;
- case EPIPHANY_OPERAND_DPMI :
- errmsg = insert_normal (cd, fields->f_subd, 0, 0, 24, 1, 32, total_length, buffer);
- break;
- case EPIPHANY_OPERAND_FRD :
- errmsg = insert_normal (cd, fields->f_rd, 0, 0, 15, 3, 32, total_length, buffer);
- break;
- case EPIPHANY_OPERAND_FRD6 :
- {
- {
- FLD (f_rd) = ((FLD (f_rd6)) & (7));
- FLD (f_rd_x) = ((UINT) (FLD (f_rd6)) >> (3));
- }
- errmsg = insert_normal (cd, fields->f_rd_x, 0, 0, 31, 3, 32, total_length, buffer);
- if (errmsg)
- break;
- errmsg = insert_normal (cd, fields->f_rd, 0, 0, 15, 3, 32, total_length, buffer);
- if (errmsg)
- break;
- }
- break;
- case EPIPHANY_OPERAND_FRM :
- errmsg = insert_normal (cd, fields->f_rm, 0, 0, 9, 3, 32, total_length, buffer);
- break;
- case EPIPHANY_OPERAND_FRM6 :
- {
- {
- FLD (f_rm) = ((FLD (f_rm6)) & (7));
- FLD (f_rm_x) = ((UINT) (FLD (f_rm6)) >> (3));
- }
- errmsg = insert_normal (cd, fields->f_rm_x, 0, 0, 25, 3, 32, total_length, buffer);
- if (errmsg)
- break;
- errmsg = insert_normal (cd, fields->f_rm, 0, 0, 9, 3, 32, total_length, buffer);
- if (errmsg)
- break;
- }
- break;
- case EPIPHANY_OPERAND_FRN :
- errmsg = insert_normal (cd, fields->f_rn, 0, 0, 12, 3, 32, total_length, buffer);
- break;
- case EPIPHANY_OPERAND_FRN6 :
- {
- {
- FLD (f_rn) = ((FLD (f_rn6)) & (7));
- FLD (f_rn_x) = ((UINT) (FLD (f_rn6)) >> (3));
- }
- errmsg = insert_normal (cd, fields->f_rn_x, 0, 0, 28, 3, 32, total_length, buffer);
- if (errmsg)
- break;
- errmsg = insert_normal (cd, fields->f_rn, 0, 0, 12, 3, 32, total_length, buffer);
- if (errmsg)
- break;
- }
- break;
- case EPIPHANY_OPERAND_IMM16 :
- {
- {
- FLD (f_imm8) = ((FLD (f_imm16)) & (255));
- FLD (f_imm_27_8) = ((UINT) (FLD (f_imm16)) >> (8));
- }
- errmsg = insert_normal (cd, fields->f_imm8, 0, 0, 12, 8, 32, total_length, buffer);
- if (errmsg)
- break;
- errmsg = insert_normal (cd, fields->f_imm_27_8, 0, 0, 27, 8, 32, total_length, buffer);
- if (errmsg)
- break;
- }
- break;
- case EPIPHANY_OPERAND_IMM8 :
- errmsg = insert_normal (cd, fields->f_imm8, 0, 0, 12, 8, 32, total_length, buffer);
- break;
- case EPIPHANY_OPERAND_RD :
- errmsg = insert_normal (cd, fields->f_rd, 0, 0, 15, 3, 32, total_length, buffer);
- break;
- case EPIPHANY_OPERAND_RD6 :
- {
- {
- FLD (f_rd) = ((FLD (f_rd6)) & (7));
- FLD (f_rd_x) = ((UINT) (FLD (f_rd6)) >> (3));
- }
- errmsg = insert_normal (cd, fields->f_rd_x, 0, 0, 31, 3, 32, total_length, buffer);
- if (errmsg)
- break;
- errmsg = insert_normal (cd, fields->f_rd, 0, 0, 15, 3, 32, total_length, buffer);
- if (errmsg)
- break;
- }
- break;
- case EPIPHANY_OPERAND_RM :
- errmsg = insert_normal (cd, fields->f_rm, 0, 0, 9, 3, 32, total_length, buffer);
- break;
- case EPIPHANY_OPERAND_RM6 :
- {
- {
- FLD (f_rm) = ((FLD (f_rm6)) & (7));
- FLD (f_rm_x) = ((UINT) (FLD (f_rm6)) >> (3));
- }
- errmsg = insert_normal (cd, fields->f_rm_x, 0, 0, 25, 3, 32, total_length, buffer);
- if (errmsg)
- break;
- errmsg = insert_normal (cd, fields->f_rm, 0, 0, 9, 3, 32, total_length, buffer);
- if (errmsg)
- break;
- }
- break;
- case EPIPHANY_OPERAND_RN :
- errmsg = insert_normal (cd, fields->f_rn, 0, 0, 12, 3, 32, total_length, buffer);
- break;
- case EPIPHANY_OPERAND_RN6 :
- {
- {
- FLD (f_rn) = ((FLD (f_rn6)) & (7));
- FLD (f_rn_x) = ((UINT) (FLD (f_rn6)) >> (3));
- }
- errmsg = insert_normal (cd, fields->f_rn_x, 0, 0, 28, 3, 32, total_length, buffer);
- if (errmsg)
- break;
- errmsg = insert_normal (cd, fields->f_rn, 0, 0, 12, 3, 32, total_length, buffer);
- if (errmsg)
- break;
- }
- break;
- case EPIPHANY_OPERAND_SD :
- errmsg = insert_normal (cd, fields->f_sd, 0, 0, 15, 3, 32, total_length, buffer);
- break;
- case EPIPHANY_OPERAND_SD6 :
- {
- {
- FLD (f_sd) = ((FLD (f_sd6)) & (7));
- FLD (f_sd_x) = ((UINT) (FLD (f_sd6)) >> (3));
- }
- errmsg = insert_normal (cd, fields->f_sd_x, 0, 0, 31, 3, 32, total_length, buffer);
- if (errmsg)
- break;
- errmsg = insert_normal (cd, fields->f_sd, 0, 0, 15, 3, 32, total_length, buffer);
- if (errmsg)
- break;
- }
- break;
- case EPIPHANY_OPERAND_SDDMA :
- {
- {
- FLD (f_sd) = ((FLD (f_sd6)) & (7));
- FLD (f_sd_x) = ((UINT) (FLD (f_sd6)) >> (3));
- }
- errmsg = insert_normal (cd, fields->f_sd_x, 0, 0, 31, 3, 32, total_length, buffer);
- if (errmsg)
- break;
- errmsg = insert_normal (cd, fields->f_sd, 0, 0, 15, 3, 32, total_length, buffer);
- if (errmsg)
- break;
- }
- break;
- case EPIPHANY_OPERAND_SDMEM :
- {
- {
- FLD (f_sd) = ((FLD (f_sd6)) & (7));
- FLD (f_sd_x) = ((UINT) (FLD (f_sd6)) >> (3));
- }
- errmsg = insert_normal (cd, fields->f_sd_x, 0, 0, 31, 3, 32, total_length, buffer);
- if (errmsg)
- break;
- errmsg = insert_normal (cd, fields->f_sd, 0, 0, 15, 3, 32, total_length, buffer);
- if (errmsg)
- break;
- }
- break;
- case EPIPHANY_OPERAND_SDMESH :
- {
- {
- FLD (f_sd) = ((FLD (f_sd6)) & (7));
- FLD (f_sd_x) = ((UINT) (FLD (f_sd6)) >> (3));
- }
- errmsg = insert_normal (cd, fields->f_sd_x, 0, 0, 31, 3, 32, total_length, buffer);
- if (errmsg)
- break;
- errmsg = insert_normal (cd, fields->f_sd, 0, 0, 15, 3, 32, total_length, buffer);
- if (errmsg)
- break;
- }
- break;
- case EPIPHANY_OPERAND_SHIFT :
- errmsg = insert_normal (cd, fields->f_shift, 0, 0, 9, 5, 32, total_length, buffer);
- break;
- case EPIPHANY_OPERAND_SIMM11 :
- {
- {
- FLD (f_disp8) = ((255) & (((USI) (FLD (f_sdisp11)) >> (3))));
- FLD (f_disp3) = ((FLD (f_sdisp11)) & (7));
- }
- errmsg = insert_normal (cd, fields->f_disp3, 0, 0, 9, 3, 32, total_length, buffer);
- if (errmsg)
- break;
- errmsg = insert_normal (cd, fields->f_disp8, 0, 0, 23, 8, 32, total_length, buffer);
- if (errmsg)
- break;
- }
- break;
- case EPIPHANY_OPERAND_SIMM24 :
- {
- long value = fields->f_simm24;
- value = ((SI) (((value) - (pc))) >> (1));
- errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_SIGNED)|(1<<CGEN_IFLD_RELOC)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 31, 24, 32, total_length, buffer);
- }
- break;
- case EPIPHANY_OPERAND_SIMM3 :
- errmsg = insert_normal (cd, fields->f_sdisp3, 0|(1<<CGEN_IFLD_SIGNED), 0, 9, 3, 32, total_length, buffer);
- break;
- case EPIPHANY_OPERAND_SIMM8 :
- {
- long value = fields->f_simm8;
- value = ((SI) (((value) - (pc))) >> (1));
- errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_SIGNED)|(1<<CGEN_IFLD_RELOC)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 15, 8, 32, total_length, buffer);
- }
- break;
- case EPIPHANY_OPERAND_SN :
- errmsg = insert_normal (cd, fields->f_sn, 0, 0, 12, 3, 32, total_length, buffer);
- break;
- case EPIPHANY_OPERAND_SN6 :
- {
- {
- FLD (f_sn) = ((FLD (f_sn6)) & (7));
- FLD (f_sn_x) = ((UINT) (FLD (f_sn6)) >> (3));
- }
- errmsg = insert_normal (cd, fields->f_sn_x, 0, 0, 28, 3, 32, total_length, buffer);
- if (errmsg)
- break;
- errmsg = insert_normal (cd, fields->f_sn, 0, 0, 12, 3, 32, total_length, buffer);
- if (errmsg)
- break;
- }
- break;
- case EPIPHANY_OPERAND_SNDMA :
- {
- {
- FLD (f_sn) = ((FLD (f_sn6)) & (7));
- FLD (f_sn_x) = ((UINT) (FLD (f_sn6)) >> (3));
- }
- errmsg = insert_normal (cd, fields->f_sn_x, 0, 0, 28, 3, 32, total_length, buffer);
- if (errmsg)
- break;
- errmsg = insert_normal (cd, fields->f_sn, 0, 0, 12, 3, 32, total_length, buffer);
- if (errmsg)
- break;
- }
- break;
- case EPIPHANY_OPERAND_SNMEM :
- {
- {
- FLD (f_sn) = ((FLD (f_sn6)) & (7));
- FLD (f_sn_x) = ((UINT) (FLD (f_sn6)) >> (3));
- }
- errmsg = insert_normal (cd, fields->f_sn_x, 0, 0, 28, 3, 32, total_length, buffer);
- if (errmsg)
- break;
- errmsg = insert_normal (cd, fields->f_sn, 0, 0, 12, 3, 32, total_length, buffer);
- if (errmsg)
- break;
- }
- break;
- case EPIPHANY_OPERAND_SNMESH :
- {
- {
- FLD (f_sn) = ((FLD (f_sn6)) & (7));
- FLD (f_sn_x) = ((UINT) (FLD (f_sn6)) >> (3));
- }
- errmsg = insert_normal (cd, fields->f_sn_x, 0, 0, 28, 3, 32, total_length, buffer);
- if (errmsg)
- break;
- errmsg = insert_normal (cd, fields->f_sn, 0, 0, 12, 3, 32, total_length, buffer);
- if (errmsg)
- break;
- }
- break;
- case EPIPHANY_OPERAND_SWI_NUM :
- errmsg = insert_normal (cd, fields->f_trap_num, 0, 0, 15, 6, 32, total_length, buffer);
- break;
- case EPIPHANY_OPERAND_TRAPNUM6 :
- errmsg = insert_normal (cd, fields->f_trap_num, 0, 0, 15, 6, 32, total_length, buffer);
- break;
- default :
- /* xgettext:c-format */
- opcodes_error_handler
- (_("internal error: unrecognized field %d while building insn"),
- opindex);
- abort ();
- }
- return errmsg;
- }
- int epiphany_cgen_extract_operand
- (CGEN_CPU_DESC, int, CGEN_EXTRACT_INFO *, CGEN_INSN_INT, CGEN_FIELDS *, bfd_vma);
- /* 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
- epiphany_cgen_extract_operand (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 EPIPHANY_OPERAND_DIRECTION :
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 20, 1, 32, total_length, pc, & fields->f_addsubx);
- break;
- case EPIPHANY_OPERAND_DISP11 :
- {
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 9, 3, 32, total_length, pc, & fields->f_disp3);
- if (length <= 0) break;
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 23, 8, 32, total_length, pc, & fields->f_disp8);
- if (length <= 0) break;
- {
- FLD (f_disp11) = ((((FLD (f_disp8)) << (3))) | (FLD (f_disp3)));
- }
- }
- break;
- case EPIPHANY_OPERAND_DISP3 :
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 9, 3, 32, total_length, pc, & fields->f_disp3);
- break;
- case EPIPHANY_OPERAND_DPMI :
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 24, 1, 32, total_length, pc, & fields->f_subd);
- break;
- case EPIPHANY_OPERAND_FRD :
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 3, 32, total_length, pc, & fields->f_rd);
- break;
- case EPIPHANY_OPERAND_FRD6 :
- {
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 31, 3, 32, total_length, pc, & fields->f_rd_x);
- if (length <= 0) break;
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 3, 32, total_length, pc, & fields->f_rd);
- if (length <= 0) break;
- {
- FLD (f_rd6) = ((((FLD (f_rd_x)) << (3))) | (FLD (f_rd)));
- }
- }
- break;
- case EPIPHANY_OPERAND_FRM :
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 9, 3, 32, total_length, pc, & fields->f_rm);
- break;
- case EPIPHANY_OPERAND_FRM6 :
- {
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 3, 32, total_length, pc, & fields->f_rm_x);
- if (length <= 0) break;
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 9, 3, 32, total_length, pc, & fields->f_rm);
- if (length <= 0) break;
- {
- FLD (f_rm6) = ((((FLD (f_rm_x)) << (3))) | (FLD (f_rm)));
- }
- }
- break;
- case EPIPHANY_OPERAND_FRN :
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 12, 3, 32, total_length, pc, & fields->f_rn);
- break;
- case EPIPHANY_OPERAND_FRN6 :
- {
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 28, 3, 32, total_length, pc, & fields->f_rn_x);
- if (length <= 0) break;
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 12, 3, 32, total_length, pc, & fields->f_rn);
- if (length <= 0) break;
- {
- FLD (f_rn6) = ((((FLD (f_rn_x)) << (3))) | (FLD (f_rn)));
- }
- }
- break;
- case EPIPHANY_OPERAND_IMM16 :
- {
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 12, 8, 32, total_length, pc, & fields->f_imm8);
- if (length <= 0) break;
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 27, 8, 32, total_length, pc, & fields->f_imm_27_8);
- if (length <= 0) break;
- {
- FLD (f_imm16) = ((((FLD (f_imm_27_8)) << (8))) | (FLD (f_imm8)));
- }
- }
- break;
- case EPIPHANY_OPERAND_IMM8 :
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 12, 8, 32, total_length, pc, & fields->f_imm8);
- break;
- case EPIPHANY_OPERAND_RD :
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 3, 32, total_length, pc, & fields->f_rd);
- break;
- case EPIPHANY_OPERAND_RD6 :
- {
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 31, 3, 32, total_length, pc, & fields->f_rd_x);
- if (length <= 0) break;
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 3, 32, total_length, pc, & fields->f_rd);
- if (length <= 0) break;
- {
- FLD (f_rd6) = ((((FLD (f_rd_x)) << (3))) | (FLD (f_rd)));
- }
- }
- break;
- case EPIPHANY_OPERAND_RM :
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 9, 3, 32, total_length, pc, & fields->f_rm);
- break;
- case EPIPHANY_OPERAND_RM6 :
- {
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 3, 32, total_length, pc, & fields->f_rm_x);
- if (length <= 0) break;
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 9, 3, 32, total_length, pc, & fields->f_rm);
- if (length <= 0) break;
- {
- FLD (f_rm6) = ((((FLD (f_rm_x)) << (3))) | (FLD (f_rm)));
- }
- }
- break;
- case EPIPHANY_OPERAND_RN :
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 12, 3, 32, total_length, pc, & fields->f_rn);
- break;
- case EPIPHANY_OPERAND_RN6 :
- {
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 28, 3, 32, total_length, pc, & fields->f_rn_x);
- if (length <= 0) break;
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 12, 3, 32, total_length, pc, & fields->f_rn);
- if (length <= 0) break;
- {
- FLD (f_rn6) = ((((FLD (f_rn_x)) << (3))) | (FLD (f_rn)));
- }
- }
- break;
- case EPIPHANY_OPERAND_SD :
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 3, 32, total_length, pc, & fields->f_sd);
- break;
- case EPIPHANY_OPERAND_SD6 :
- {
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 31, 3, 32, total_length, pc, & fields->f_sd_x);
- if (length <= 0) break;
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 3, 32, total_length, pc, & fields->f_sd);
- if (length <= 0) break;
- {
- FLD (f_sd6) = ((((FLD (f_sd_x)) << (3))) | (FLD (f_sd)));
- }
- }
- break;
- case EPIPHANY_OPERAND_SDDMA :
- {
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 31, 3, 32, total_length, pc, & fields->f_sd_x);
- if (length <= 0) break;
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 3, 32, total_length, pc, & fields->f_sd);
- if (length <= 0) break;
- {
- FLD (f_sd6) = ((((FLD (f_sd_x)) << (3))) | (FLD (f_sd)));
- }
- }
- break;
- case EPIPHANY_OPERAND_SDMEM :
- {
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 31, 3, 32, total_length, pc, & fields->f_sd_x);
- if (length <= 0) break;
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 3, 32, total_length, pc, & fields->f_sd);
- if (length <= 0) break;
- {
- FLD (f_sd6) = ((((FLD (f_sd_x)) << (3))) | (FLD (f_sd)));
- }
- }
- break;
- case EPIPHANY_OPERAND_SDMESH :
- {
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 31, 3, 32, total_length, pc, & fields->f_sd_x);
- if (length <= 0) break;
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 3, 32, total_length, pc, & fields->f_sd);
- if (length <= 0) break;
- {
- FLD (f_sd6) = ((((FLD (f_sd_x)) << (3))) | (FLD (f_sd)));
- }
- }
- break;
- case EPIPHANY_OPERAND_SHIFT :
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 9, 5, 32, total_length, pc, & fields->f_shift);
- break;
- case EPIPHANY_OPERAND_SIMM11 :
- {
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 9, 3, 32, total_length, pc, & fields->f_disp3);
- if (length <= 0) break;
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 23, 8, 32, total_length, pc, & fields->f_disp8);
- if (length <= 0) break;
- {
- FLD (f_sdisp11) = ((((((((((FLD (f_disp8)) << (3))) | (FLD (f_disp3)))) & (2047))) ^ (1024))) - (1024));
- }
- }
- break;
- case EPIPHANY_OPERAND_SIMM24 :
- {
- long value;
- length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED)|(1<<CGEN_IFLD_RELOC)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 31, 24, 32, total_length, pc, & value);
- value = ((((value) * (2))) + (pc));
- fields->f_simm24 = value;
- }
- break;
- case EPIPHANY_OPERAND_SIMM3 :
- length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED), 0, 9, 3, 32, total_length, pc, & fields->f_sdisp3);
- break;
- case EPIPHANY_OPERAND_SIMM8 :
- {
- long value;
- length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED)|(1<<CGEN_IFLD_RELOC)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 15, 8, 32, total_length, pc, & value);
- value = ((((value) * (2))) + (pc));
- fields->f_simm8 = value;
- }
- break;
- case EPIPHANY_OPERAND_SN :
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 12, 3, 32, total_length, pc, & fields->f_sn);
- break;
- case EPIPHANY_OPERAND_SN6 :
- {
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 28, 3, 32, total_length, pc, & fields->f_sn_x);
- if (length <= 0) break;
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 12, 3, 32, total_length, pc, & fields->f_sn);
- if (length <= 0) break;
- {
- FLD (f_sn6) = ((((FLD (f_sn_x)) << (3))) | (FLD (f_sn)));
- }
- }
- break;
- case EPIPHANY_OPERAND_SNDMA :
- {
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 28, 3, 32, total_length, pc, & fields->f_sn_x);
- if (length <= 0) break;
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 12, 3, 32, total_length, pc, & fields->f_sn);
- if (length <= 0) break;
- {
- FLD (f_sn6) = ((((FLD (f_sn_x)) << (3))) | (FLD (f_sn)));
- }
- }
- break;
- case EPIPHANY_OPERAND_SNMEM :
- {
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 28, 3, 32, total_length, pc, & fields->f_sn_x);
- if (length <= 0) break;
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 12, 3, 32, total_length, pc, & fields->f_sn);
- if (length <= 0) break;
- {
- FLD (f_sn6) = ((((FLD (f_sn_x)) << (3))) | (FLD (f_sn)));
- }
- }
- break;
- case EPIPHANY_OPERAND_SNMESH :
- {
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 28, 3, 32, total_length, pc, & fields->f_sn_x);
- if (length <= 0) break;
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 12, 3, 32, total_length, pc, & fields->f_sn);
- if (length <= 0) break;
- {
- FLD (f_sn6) = ((((FLD (f_sn_x)) << (3))) | (FLD (f_sn)));
- }
- }
- break;
- case EPIPHANY_OPERAND_SWI_NUM :
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 6, 32, total_length, pc, & fields->f_trap_num);
- break;
- case EPIPHANY_OPERAND_TRAPNUM6 :
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 6, 32, total_length, pc, & fields->f_trap_num);
- break;
- default :
- /* xgettext:c-format */
- opcodes_error_handler
- (_("internal error: unrecognized field %d while decoding insn"),
- opindex);
- abort ();
- }
- return length;
- }
- cgen_insert_fn * const epiphany_cgen_insert_handlers[] =
- {
- insert_insn_normal,
- };
- cgen_extract_fn * const epiphany_cgen_extract_handlers[] =
- {
- extract_insn_normal,
- };
- int epiphany_cgen_get_int_operand (CGEN_CPU_DESC, int, const CGEN_FIELDS *);
- bfd_vma epiphany_cgen_get_vma_operand (CGEN_CPU_DESC, int, const CGEN_FIELDS *);
- /* 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
- epiphany_cgen_get_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
- int opindex,
- const CGEN_FIELDS * fields)
- {
- int value;
- switch (opindex)
- {
- case EPIPHANY_OPERAND_DIRECTION :
- value = fields->f_addsubx;
- break;
- case EPIPHANY_OPERAND_DISP11 :
- value = fields->f_disp11;
- break;
- case EPIPHANY_OPERAND_DISP3 :
- value = fields->f_disp3;
- break;
- case EPIPHANY_OPERAND_DPMI :
- value = fields->f_subd;
- break;
- case EPIPHANY_OPERAND_FRD :
- value = fields->f_rd;
- break;
- case EPIPHANY_OPERAND_FRD6 :
- value = fields->f_rd6;
- break;
- case EPIPHANY_OPERAND_FRM :
- value = fields->f_rm;
- break;
- case EPIPHANY_OPERAND_FRM6 :
- value = fields->f_rm6;
- break;
- case EPIPHANY_OPERAND_FRN :
- value = fields->f_rn;
- break;
- case EPIPHANY_OPERAND_FRN6 :
- value = fields->f_rn6;
- break;
- case EPIPHANY_OPERAND_IMM16 :
- value = fields->f_imm16;
- break;
- case EPIPHANY_OPERAND_IMM8 :
- value = fields->f_imm8;
- break;
- case EPIPHANY_OPERAND_RD :
- value = fields->f_rd;
- break;
- case EPIPHANY_OPERAND_RD6 :
- value = fields->f_rd6;
- break;
- case EPIPHANY_OPERAND_RM :
- value = fields->f_rm;
- break;
- case EPIPHANY_OPERAND_RM6 :
- value = fields->f_rm6;
- break;
- case EPIPHANY_OPERAND_RN :
- value = fields->f_rn;
- break;
- case EPIPHANY_OPERAND_RN6 :
- value = fields->f_rn6;
- break;
- case EPIPHANY_OPERAND_SD :
- value = fields->f_sd;
- break;
- case EPIPHANY_OPERAND_SD6 :
- value = fields->f_sd6;
- break;
- case EPIPHANY_OPERAND_SDDMA :
- value = fields->f_sd6;
- break;
- case EPIPHANY_OPERAND_SDMEM :
- value = fields->f_sd6;
- break;
- case EPIPHANY_OPERAND_SDMESH :
- value = fields->f_sd6;
- break;
- case EPIPHANY_OPERAND_SHIFT :
- value = fields->f_shift;
- break;
- case EPIPHANY_OPERAND_SIMM11 :
- value = fields->f_sdisp11;
- break;
- case EPIPHANY_OPERAND_SIMM24 :
- value = fields->f_simm24;
- break;
- case EPIPHANY_OPERAND_SIMM3 :
- value = fields->f_sdisp3;
- break;
- case EPIPHANY_OPERAND_SIMM8 :
- value = fields->f_simm8;
- break;
- case EPIPHANY_OPERAND_SN :
- value = fields->f_sn;
- break;
- case EPIPHANY_OPERAND_SN6 :
- value = fields->f_sn6;
- break;
- case EPIPHANY_OPERAND_SNDMA :
- value = fields->f_sn6;
- break;
- case EPIPHANY_OPERAND_SNMEM :
- value = fields->f_sn6;
- break;
- case EPIPHANY_OPERAND_SNMESH :
- value = fields->f_sn6;
- break;
- case EPIPHANY_OPERAND_SWI_NUM :
- value = fields->f_trap_num;
- break;
- case EPIPHANY_OPERAND_TRAPNUM6 :
- value = fields->f_trap_num;
- break;
- default :
- /* xgettext:c-format */
- opcodes_error_handler
- (_("internal error: unrecognized field %d while getting int operand"),
- opindex);
- abort ();
- }
- return value;
- }
- bfd_vma
- epiphany_cgen_get_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
- int opindex,
- const CGEN_FIELDS * fields)
- {
- bfd_vma value;
- switch (opindex)
- {
- case EPIPHANY_OPERAND_DIRECTION :
- value = fields->f_addsubx;
- break;
- case EPIPHANY_OPERAND_DISP11 :
- value = fields->f_disp11;
- break;
- case EPIPHANY_OPERAND_DISP3 :
- value = fields->f_disp3;
- break;
- case EPIPHANY_OPERAND_DPMI :
- value = fields->f_subd;
- break;
- case EPIPHANY_OPERAND_FRD :
- value = fields->f_rd;
- break;
- case EPIPHANY_OPERAND_FRD6 :
- value = fields->f_rd6;
- break;
- case EPIPHANY_OPERAND_FRM :
- value = fields->f_rm;
- break;
- case EPIPHANY_OPERAND_FRM6 :
- value = fields->f_rm6;
- break;
- case EPIPHANY_OPERAND_FRN :
- value = fields->f_rn;
- break;
- case EPIPHANY_OPERAND_FRN6 :
- value = fields->f_rn6;
- break;
- case EPIPHANY_OPERAND_IMM16 :
- value = fields->f_imm16;
- break;
- case EPIPHANY_OPERAND_IMM8 :
- value = fields->f_imm8;
- break;
- case EPIPHANY_OPERAND_RD :
- value = fields->f_rd;
- break;
- case EPIPHANY_OPERAND_RD6 :
- value = fields->f_rd6;
- break;
- case EPIPHANY_OPERAND_RM :
- value = fields->f_rm;
- break;
- case EPIPHANY_OPERAND_RM6 :
- value = fields->f_rm6;
- break;
- case EPIPHANY_OPERAND_RN :
- value = fields->f_rn;
- break;
- case EPIPHANY_OPERAND_RN6 :
- value = fields->f_rn6;
- break;
- case EPIPHANY_OPERAND_SD :
- value = fields->f_sd;
- break;
- case EPIPHANY_OPERAND_SD6 :
- value = fields->f_sd6;
- break;
- case EPIPHANY_OPERAND_SDDMA :
- value = fields->f_sd6;
- break;
- case EPIPHANY_OPERAND_SDMEM :
- value = fields->f_sd6;
- break;
- case EPIPHANY_OPERAND_SDMESH :
- value = fields->f_sd6;
- break;
- case EPIPHANY_OPERAND_SHIFT :
- value = fields->f_shift;
- break;
- case EPIPHANY_OPERAND_SIMM11 :
- value = fields->f_sdisp11;
- break;
- case EPIPHANY_OPERAND_SIMM24 :
- value = fields->f_simm24;
- break;
- case EPIPHANY_OPERAND_SIMM3 :
- value = fields->f_sdisp3;
- break;
- case EPIPHANY_OPERAND_SIMM8 :
- value = fields->f_simm8;
- break;
- case EPIPHANY_OPERAND_SN :
- value = fields->f_sn;
- break;
- case EPIPHANY_OPERAND_SN6 :
- value = fields->f_sn6;
- break;
- case EPIPHANY_OPERAND_SNDMA :
- value = fields->f_sn6;
- break;
- case EPIPHANY_OPERAND_SNMEM :
- value = fields->f_sn6;
- break;
- case EPIPHANY_OPERAND_SNMESH :
- value = fields->f_sn6;
- break;
- case EPIPHANY_OPERAND_SWI_NUM :
- value = fields->f_trap_num;
- break;
- case EPIPHANY_OPERAND_TRAPNUM6 :
- value = fields->f_trap_num;
- break;
- default :
- /* xgettext:c-format */
- opcodes_error_handler
- (_("internal error: unrecognized field %d while getting vma operand"),
- opindex);
- abort ();
- }
- return value;
- }
- void epiphany_cgen_set_int_operand (CGEN_CPU_DESC, int, CGEN_FIELDS *, int);
- void epiphany_cgen_set_vma_operand (CGEN_CPU_DESC, int, CGEN_FIELDS *, bfd_vma);
- /* 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
- epiphany_cgen_set_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
- int opindex,
- CGEN_FIELDS * fields,
- int value)
- {
- switch (opindex)
- {
- case EPIPHANY_OPERAND_DIRECTION :
- fields->f_addsubx = value;
- break;
- case EPIPHANY_OPERAND_DISP11 :
- fields->f_disp11 = value;
- break;
- case EPIPHANY_OPERAND_DISP3 :
- fields->f_disp3 = value;
- break;
- case EPIPHANY_OPERAND_DPMI :
- fields->f_subd = value;
- break;
- case EPIPHANY_OPERAND_FRD :
- fields->f_rd = value;
- break;
- case EPIPHANY_OPERAND_FRD6 :
- fields->f_rd6 = value;
- break;
- case EPIPHANY_OPERAND_FRM :
- fields->f_rm = value;
- break;
- case EPIPHANY_OPERAND_FRM6 :
- fields->f_rm6 = value;
- break;
- case EPIPHANY_OPERAND_FRN :
- fields->f_rn = value;
- break;
- case EPIPHANY_OPERAND_FRN6 :
- fields->f_rn6 = value;
- break;
- case EPIPHANY_OPERAND_IMM16 :
- fields->f_imm16 = value;
- break;
- case EPIPHANY_OPERAND_IMM8 :
- fields->f_imm8 = value;
- break;
- case EPIPHANY_OPERAND_RD :
- fields->f_rd = value;
- break;
- case EPIPHANY_OPERAND_RD6 :
- fields->f_rd6 = value;
- break;
- case EPIPHANY_OPERAND_RM :
- fields->f_rm = value;
- break;
- case EPIPHANY_OPERAND_RM6 :
- fields->f_rm6 = value;
- break;
- case EPIPHANY_OPERAND_RN :
- fields->f_rn = value;
- break;
- case EPIPHANY_OPERAND_RN6 :
- fields->f_rn6 = value;
- break;
- case EPIPHANY_OPERAND_SD :
- fields->f_sd = value;
- break;
- case EPIPHANY_OPERAND_SD6 :
- fields->f_sd6 = value;
- break;
- case EPIPHANY_OPERAND_SDDMA :
- fields->f_sd6 = value;
- break;
- case EPIPHANY_OPERAND_SDMEM :
- fields->f_sd6 = value;
- break;
- case EPIPHANY_OPERAND_SDMESH :
- fields->f_sd6 = value;
- break;
- case EPIPHANY_OPERAND_SHIFT :
- fields->f_shift = value;
- break;
- case EPIPHANY_OPERAND_SIMM11 :
- fields->f_sdisp11 = value;
- break;
- case EPIPHANY_OPERAND_SIMM24 :
- fields->f_simm24 = value;
- break;
- case EPIPHANY_OPERAND_SIMM3 :
- fields->f_sdisp3 = value;
- break;
- case EPIPHANY_OPERAND_SIMM8 :
- fields->f_simm8 = value;
- break;
- case EPIPHANY_OPERAND_SN :
- fields->f_sn = value;
- break;
- case EPIPHANY_OPERAND_SN6 :
- fields->f_sn6 = value;
- break;
- case EPIPHANY_OPERAND_SNDMA :
- fields->f_sn6 = value;
- break;
- case EPIPHANY_OPERAND_SNMEM :
- fields->f_sn6 = value;
- break;
- case EPIPHANY_OPERAND_SNMESH :
- fields->f_sn6 = value;
- break;
- case EPIPHANY_OPERAND_SWI_NUM :
- fields->f_trap_num = value;
- break;
- case EPIPHANY_OPERAND_TRAPNUM6 :
- fields->f_trap_num = value;
- break;
- default :
- /* xgettext:c-format */
- opcodes_error_handler
- (_("internal error: unrecognized field %d while setting int operand"),
- opindex);
- abort ();
- }
- }
- void
- epiphany_cgen_set_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
- int opindex,
- CGEN_FIELDS * fields,
- bfd_vma value)
- {
- switch (opindex)
- {
- case EPIPHANY_OPERAND_DIRECTION :
- fields->f_addsubx = value;
- break;
- case EPIPHANY_OPERAND_DISP11 :
- fields->f_disp11 = value;
- break;
- case EPIPHANY_OPERAND_DISP3 :
- fields->f_disp3 = value;
- break;
- case EPIPHANY_OPERAND_DPMI :
- fields->f_subd = value;
- break;
- case EPIPHANY_OPERAND_FRD :
- fields->f_rd = value;
- break;
- case EPIPHANY_OPERAND_FRD6 :
- fields->f_rd6 = value;
- break;
- case EPIPHANY_OPERAND_FRM :
- fields->f_rm = value;
- break;
- case EPIPHANY_OPERAND_FRM6 :
- fields->f_rm6 = value;
- break;
- case EPIPHANY_OPERAND_FRN :
- fields->f_rn = value;
- break;
- case EPIPHANY_OPERAND_FRN6 :
- fields->f_rn6 = value;
- break;
- case EPIPHANY_OPERAND_IMM16 :
- fields->f_imm16 = value;
- break;
- case EPIPHANY_OPERAND_IMM8 :
- fields->f_imm8 = value;
- break;
- case EPIPHANY_OPERAND_RD :
- fields->f_rd = value;
- break;
- case EPIPHANY_OPERAND_RD6 :
- fields->f_rd6 = value;
- break;
- case EPIPHANY_OPERAND_RM :
- fields->f_rm = value;
- break;
- case EPIPHANY_OPERAND_RM6 :
- fields->f_rm6 = value;
- break;
- case EPIPHANY_OPERAND_RN :
- fields->f_rn = value;
- break;
- case EPIPHANY_OPERAND_RN6 :
- fields->f_rn6 = value;
- break;
- case EPIPHANY_OPERAND_SD :
- fields->f_sd = value;
- break;
- case EPIPHANY_OPERAND_SD6 :
- fields->f_sd6 = value;
- break;
- case EPIPHANY_OPERAND_SDDMA :
- fields->f_sd6 = value;
- break;
- case EPIPHANY_OPERAND_SDMEM :
- fields->f_sd6 = value;
- break;
- case EPIPHANY_OPERAND_SDMESH :
- fields->f_sd6 = value;
- break;
- case EPIPHANY_OPERAND_SHIFT :
- fields->f_shift = value;
- break;
- case EPIPHANY_OPERAND_SIMM11 :
- fields->f_sdisp11 = value;
- break;
- case EPIPHANY_OPERAND_SIMM24 :
- fields->f_simm24 = value;
- break;
- case EPIPHANY_OPERAND_SIMM3 :
- fields->f_sdisp3 = value;
- break;
- case EPIPHANY_OPERAND_SIMM8 :
- fields->f_simm8 = value;
- break;
- case EPIPHANY_OPERAND_SN :
- fields->f_sn = value;
- break;
- case EPIPHANY_OPERAND_SN6 :
- fields->f_sn6 = value;
- break;
- case EPIPHANY_OPERAND_SNDMA :
- fields->f_sn6 = value;
- break;
- case EPIPHANY_OPERAND_SNMEM :
- fields->f_sn6 = value;
- break;
- case EPIPHANY_OPERAND_SNMESH :
- fields->f_sn6 = value;
- break;
- case EPIPHANY_OPERAND_SWI_NUM :
- fields->f_trap_num = value;
- break;
- case EPIPHANY_OPERAND_TRAPNUM6 :
- fields->f_trap_num = value;
- break;
- default :
- /* xgettext:c-format */
- opcodes_error_handler
- (_("internal error: unrecognized field %d while setting vma operand"),
- opindex);
- abort ();
- }
- }
- /* Function to call before using the instruction builder tables. */
- void
- epiphany_cgen_init_ibld_table (CGEN_CPU_DESC cd)
- {
- cd->insert_handlers = & epiphany_cgen_insert_handlers[0];
- cd->extract_handlers = & epiphany_cgen_extract_handlers[0];
- cd->insert_operand = epiphany_cgen_insert_operand;
- cd->extract_operand = epiphany_cgen_extract_operand;
- cd->get_int_operand = epiphany_cgen_get_int_operand;
- cd->set_int_operand = epiphany_cgen_set_int_operand;
- cd->get_vma_operand = epiphany_cgen_get_vma_operand;
- cd->set_vma_operand = epiphany_cgen_set_vma_operand;
- }
|