125 lines · 3.6 KB · C
RawDownload
/* SPU ELF support for BFD.    Copyright 2006, 2010 Free Software Foundation, Inc.    This file is part of GDB, GAS, and the GNU binutils.    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 3 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */ /* These two enums are from rel_apu/common/spu_asm_format.h *//* definition of instruction format */typedef enum {  RRR,  RI18,  RI16,  RI10,  RI8,  RI7,  RR,  LBT,  LBTI,  IDATA,  UNKNOWN_IFORMAT} spu_iformat; /* These values describe assembly instruction arguments.  They indicate * how to encode, range checking and which relocation to use. */typedef enum {  A_T,  /* register at pos 0 */  A_A,  /* register at pos 7 */  A_B,  /* register at pos 14 */  A_C,  /* register at pos 21 */  A_S,  /* special purpose register at pos 7 */  A_H,  /* channel register at pos 7 */  A_P,  /* parenthesis, this has to separate regs from immediates */  A_S3,  A_S6,  A_S7N,  A_S7,  A_U7A,  A_U7B,  A_S10B,  A_S10,  A_S11,  A_S11I,  A_S14,  A_S16,  A_S18,  A_R18,  A_U3,  A_U5,  A_U6,  A_U7,  A_U14,  A_X16,  A_U18,  A_MAX} spu_aformat; enum spu_insns {#define APUOP(TAG,MACFORMAT,OPCODE,MNEMONIC,ASMFORMAT,DEP,PIPE) \	TAG,#define APUOPFB(TAG,MACFORMAT,OPCODE,FB,MNEMONIC,ASMFORMAT,DEP,PIPE) \	TAG,#include "opcode/spu-insns.h"#undef APUOP#undef APUOPFB        M_SPU_MAX}; struct spu_opcode{   spu_iformat insn_type;   unsigned int opcode;   char *mnemonic;   int arg[5];}; #define SIGNED_EXTRACT(insn,size,pos) (((int)((insn) << (32-size-pos))) >> (32-size))#define UNSIGNED_EXTRACT(insn,size,pos) (((insn) >> pos) & ((1 << size)-1)) #define DECODE_INSN_RT(insn) (insn & 0x7f)#define DECODE_INSN_RA(insn) ((insn >> 7) & 0x7f)#define DECODE_INSN_RB(insn) ((insn >> 14) & 0x7f)#define DECODE_INSN_RC(insn) ((insn >> 21) & 0x7f) #define DECODE_INSN_I10(insn) SIGNED_EXTRACT(insn,10,14)#define DECODE_INSN_U10(insn) UNSIGNED_EXTRACT(insn,10,14) /* For branching, immediate loads, hbr and  lqa/stqa. */#define DECODE_INSN_I16(insn) SIGNED_EXTRACT(insn,16,7)#define DECODE_INSN_U16(insn) UNSIGNED_EXTRACT(insn,16,7) /* for stop */#define DECODE_INSN_U14(insn) UNSIGNED_EXTRACT(insn,14,0) /* For ila */#define DECODE_INSN_I18(insn) SIGNED_EXTRACT(insn,18,7)#define DECODE_INSN_U18(insn) UNSIGNED_EXTRACT(insn,18,7) /* For rotate and shift and generate control mask */#define DECODE_INSN_I7(insn) SIGNED_EXTRACT(insn,7,14)#define DECODE_INSN_U7(insn) UNSIGNED_EXTRACT(insn,7,14) /* For float <-> int conversion */#define DECODE_INSN_I8(insn)  SIGNED_EXTRACT(insn,8,14)#define DECODE_INSN_U8(insn) UNSIGNED_EXTRACT(insn,8,14) /* For hbr  */#define DECODE_INSN_I9a(insn) ((SIGNED_EXTRACT(insn,2,23) << 7) | UNSIGNED_EXTRACT(insn,7,0))#define DECODE_INSN_I9b(insn) ((SIGNED_EXTRACT(insn,2,14) << 7) | UNSIGNED_EXTRACT(insn,7,0))#define DECODE_INSN_U9a(insn) ((UNSIGNED_EXTRACT(insn,2,23) << 7) | UNSIGNED_EXTRACT(insn,7,0))#define DECODE_INSN_U9b(insn) ((UNSIGNED_EXTRACT(insn,2,14) << 7) | UNSIGNED_EXTRACT(insn,7,0)) 

Keyboard shortcuts

General

Show keyboard shortcuts
?
Focus the current search
/

Issues and pull requests

Open filters
f

Issues, pull requests and Inbox

Select next item
j↓
Select previous item
k↑
Open selected item
Enter
Dismiss filters or clear selection
Esc

Repository code

Go to file
t