| /* |
| * reloc_table.h |
| * |
| * DSP-BIOS Bridge driver support functions for TI OMAP processors. |
| * |
| * Copyright (C) 2005-2006 Texas Instruments, Inc. |
| * |
| * This package is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| * |
| * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED |
| * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. |
| */ |
| |
| #ifndef _RELOC_TABLE_H_ |
| #define _RELOC_TABLE_H_ |
| /* |
| * Table of relocation operator properties |
| */ |
| #include <linux/types.h> |
| |
| /* How does this relocation operation access the program image? */ |
| #define ROP_N 0 /* does not access image */ |
| #define ROP_R 1 /* read from image */ |
| #define ROP_W 2 /* write to image */ |
| #define ROP_RW 3 /* read from and write to image */ |
| |
| /* For program image access, what are the overflow rules for the bit field? */ |
| /* Beware! Procedure repack depends on this encoding */ |
| #define ROP_ANY 0 /* no overflow ever, just truncate the value */ |
| #define ROP_SGN 1 /* signed field */ |
| #define ROP_UNS 2 /* unsigned field */ |
| #define ROP_MAX 3 /* allow maximum range of either signed or unsigned */ |
| |
| /* How does the relocation operation use the symbol reference */ |
| #define ROP_IGN 0 /* no symbol is referenced */ |
| #define ROP_LIT 0 /* use rp->UVAL literal field */ |
| #define ROP_SYM 1 /* symbol value is used in relocation */ |
| #define ROP_SYMD 2 /* delta value vs last link is used */ |
| |
| /* How does the reloc op use the stack? */ |
| #define RSTK_N 0 /* Does not use */ |
| #define RSTK_POP 1 /* Does a POP */ |
| #define RSTK_UOP 2 /* Unary op, stack position unaffected */ |
| #define RSTK_PSH 3 /* Does a push */ |
| |
| /* |
| * Computational actions performed by the dynamic loader |
| */ |
| enum dload_actions { |
| /* don't alter the current val (from stack or mem fetch) */ |
| RACT_VAL, |
| /* set value to reference amount (from symbol reference) */ |
| RACT_ASGN, |
| RACT_ADD, /* add reference to value */ |
| RACT_PCR, /* add reference minus PC delta to value */ |
| RACT_ADDISP, /* add reference plus R_DISP */ |
| RACT_ASGPC, /* set value to section addr plus reference */ |
| |
| RACT_PLUS, /* stack + */ |
| RACT_SUB, /* stack - */ |
| RACT_NEG, /* stack unary - */ |
| |
| RACT_MPY, /* stack * */ |
| RACT_DIV, /* stack / */ |
| RACT_MOD, /* stack % */ |
| |
| RACT_SR, /* stack unsigned >> */ |
| RACT_ASR, /* stack signed >> */ |
| RACT_SL, /* stack << */ |
| RACT_AND, /* stack & */ |
| RACT_OR, /* stack | */ |
| RACT_XOR, /* stack ^ */ |
| RACT_NOT, /* stack ~ */ |
| RACT_C6SECT, /* for C60 R_SECT op */ |
| RACT_C6BASE, /* for C60 R_BASE op */ |
| RACT_C6DSPL, /* for C60 scaled 15-bit displacement */ |
| RACT_PCR23T /* for ARM Thumb long branch */ |
| }; |
| |
| /* |
| * macros used to extract values |
| */ |
| #define RFV_POSN(aaa) ((aaa) & 0xF) |
| #define RFV_WIDTH(aaa) (((aaa) >> 4) & 0x3F) |
| #define RFV_ACTION(aaa) ((aaa) >> 10) |
| |
| #define RFV_SIGN(iii) (((iii) >> 2) & 0x3) |
| #define RFV_SYM(iii) (((iii) >> 4) & 0x3) |
| #define RFV_STK(iii) (((iii) >> 6) & 0x3) |
| #define RFV_ACCS(iii) ((iii) & 0x3) |
| |
| #if (TMS32060) |
| #define RFV_SCALE(iii) ((iii) >> 11) |
| #define RFV_BIGOFF(iii) (((iii) >> 8) & 0x7) |
| #else |
| #define RFV_BIGOFF(iii) ((iii) >> 8) |
| #endif |
| |
| #endif /* _RELOC_TABLE_H_ */ |