| /* The common simulator framework for GDB, the GNU Debugger. |
| |
| Copyright 2002-2024 Free Software Foundation, Inc. |
| |
| Contributed by Andrew Cagney and Red Hat. |
| |
| This file is part of GDB. |
| |
| 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, see <http://www.gnu.org/licenses/>. */ |
| |
| |
| #ifndef SIM_ENDIAN_H |
| #define SIM_ENDIAN_H |
| |
| #include "sim-types.h" |
| |
| /* C byte conversion functions */ |
| |
| INLINE_SIM_ENDIAN(unsigned_1) endian_h2t_1(unsigned_1 x); |
| INLINE_SIM_ENDIAN(unsigned_2) endian_h2t_2(unsigned_2 x); |
| INLINE_SIM_ENDIAN(unsigned_4) endian_h2t_4(unsigned_4 x); |
| INLINE_SIM_ENDIAN(unsigned_8) endian_h2t_8(unsigned_8 x); |
| INLINE_SIM_ENDIAN(unsigned_16) endian_h2t_16(unsigned_16 x); |
| |
| INLINE_SIM_ENDIAN(unsigned_1) endian_t2h_1(unsigned_1 x); |
| INLINE_SIM_ENDIAN(unsigned_2) endian_t2h_2(unsigned_2 x); |
| INLINE_SIM_ENDIAN(unsigned_4) endian_t2h_4(unsigned_4 x); |
| INLINE_SIM_ENDIAN(unsigned_8) endian_t2h_8(unsigned_8 x); |
| INLINE_SIM_ENDIAN(unsigned_16) endian_t2h_16(unsigned_16 x); |
| |
| INLINE_SIM_ENDIAN(unsigned_1) swap_1(unsigned_1 x); |
| INLINE_SIM_ENDIAN(unsigned_2) swap_2(unsigned_2 x); |
| INLINE_SIM_ENDIAN(unsigned_4) swap_4(unsigned_4 x); |
| INLINE_SIM_ENDIAN(unsigned_8) swap_8(unsigned_8 x); |
| INLINE_SIM_ENDIAN(unsigned_16) swap_16(unsigned_16 x); |
| |
| INLINE_SIM_ENDIAN(unsigned_1) endian_h2be_1(unsigned_1 x); |
| INLINE_SIM_ENDIAN(unsigned_2) endian_h2be_2(unsigned_2 x); |
| INLINE_SIM_ENDIAN(unsigned_4) endian_h2be_4(unsigned_4 x); |
| INLINE_SIM_ENDIAN(unsigned_8) endian_h2be_8(unsigned_8 x); |
| INLINE_SIM_ENDIAN(unsigned_16) endian_h2be_16(unsigned_16 x); |
| |
| INLINE_SIM_ENDIAN(unsigned_1) endian_be2h_1(unsigned_1 x); |
| INLINE_SIM_ENDIAN(unsigned_2) endian_be2h_2(unsigned_2 x); |
| INLINE_SIM_ENDIAN(unsigned_4) endian_be2h_4(unsigned_4 x); |
| INLINE_SIM_ENDIAN(unsigned_8) endian_be2h_8(unsigned_8 x); |
| INLINE_SIM_ENDIAN(unsigned_16) endian_be2h_16(unsigned_16 x); |
| |
| INLINE_SIM_ENDIAN(unsigned_1) endian_h2le_1(unsigned_1 x); |
| INLINE_SIM_ENDIAN(unsigned_2) endian_h2le_2(unsigned_2 x); |
| INLINE_SIM_ENDIAN(unsigned_4) endian_h2le_4(unsigned_4 x); |
| INLINE_SIM_ENDIAN(unsigned_8) endian_h2le_8(unsigned_8 x); |
| INLINE_SIM_ENDIAN(unsigned_16) endian_h2le_16(unsigned_16 x); |
| |
| INLINE_SIM_ENDIAN(unsigned_1) endian_le2h_1(unsigned_1 x); |
| INLINE_SIM_ENDIAN(unsigned_2) endian_le2h_2(unsigned_2 x); |
| INLINE_SIM_ENDIAN(unsigned_4) endian_le2h_4(unsigned_4 x); |
| INLINE_SIM_ENDIAN(unsigned_8) endian_le2h_8(unsigned_8 x); |
| INLINE_SIM_ENDIAN(unsigned_16) endian_le2h_16(unsigned_16 x); |
| |
| INLINE_SIM_ENDIAN(void*) offset_1(unsigned_1 *x, unsigned ws, unsigned w); |
| INLINE_SIM_ENDIAN(void*) offset_2(unsigned_2 *x, unsigned ws, unsigned w); |
| INLINE_SIM_ENDIAN(void*) offset_4(unsigned_4 *x, unsigned ws, unsigned w); |
| INLINE_SIM_ENDIAN(void*) offset_8(unsigned_8 *x, unsigned ws, unsigned w); |
| INLINE_SIM_ENDIAN(void*) offset_16(unsigned_16 *x, unsigned ws, unsigned w); |
| |
| INLINE_SIM_ENDIAN(unsigned_16) sim_endian_join_16 (unsigned_8 h, unsigned_8 l); |
| INLINE_SIM_ENDIAN(unsigned_8) sim_endian_split_16 (unsigned_16 word, int w); |
| |
| |
| /* SWAP */ |
| |
| #define SWAP_1 swap_1 |
| #define SWAP_2 swap_2 |
| #define SWAP_4 swap_4 |
| #define SWAP_8 swap_8 |
| #define SWAP_16 swap_16 |
| |
| |
| /* HOST to BE */ |
| |
| #define H2BE_1 endian_h2be_1 |
| #define H2BE_2 endian_h2be_2 |
| #define H2BE_4 endian_h2be_4 |
| #define H2BE_8 endian_h2be_8 |
| #define H2BE_16 endian_h2be_16 |
| #define BE2H_1 endian_be2h_1 |
| #define BE2H_2 endian_be2h_2 |
| #define BE2H_4 endian_be2h_4 |
| #define BE2H_8 endian_be2h_8 |
| #define BE2H_16 endian_be2h_16 |
| |
| |
| /* HOST to LE */ |
| |
| #define H2LE_1 endian_h2le_1 |
| #define H2LE_2 endian_h2le_2 |
| #define H2LE_4 endian_h2le_4 |
| #define H2LE_8 endian_h2le_8 |
| #define H2LE_16 endian_h2le_16 |
| #define LE2H_1 endian_le2h_1 |
| #define LE2H_2 endian_le2h_2 |
| #define LE2H_4 endian_le2h_4 |
| #define LE2H_8 endian_le2h_8 |
| #define LE2H_16 endian_le2h_16 |
| |
| |
| /* HOST to TARGET */ |
| |
| #define H2T_1 endian_h2t_1 |
| #define H2T_2 endian_h2t_2 |
| #define H2T_4 endian_h2t_4 |
| #define H2T_8 endian_h2t_8 |
| #define H2T_16 endian_h2t_16 |
| #define T2H_1 endian_t2h_1 |
| #define T2H_2 endian_t2h_2 |
| #define T2H_4 endian_t2h_4 |
| #define T2H_8 endian_t2h_8 |
| #define T2H_16 endian_t2h_16 |
| |
| |
| /* CONVERT IN PLACE |
| |
| These macros, given an argument of unknown size, swap its value in |
| place if a host/target conversion is required. */ |
| |
| #define H2T(VARIABLE) \ |
| do { \ |
| void *vp = &(VARIABLE); \ |
| switch (sizeof (VARIABLE)) { \ |
| case 1: *(unsigned_1*)vp = H2T_1(*(unsigned_1*)vp); break; \ |
| case 2: *(unsigned_2*)vp = H2T_2(*(unsigned_2*)vp); break; \ |
| case 4: *(unsigned_4*)vp = H2T_4(*(unsigned_4*)vp); break; \ |
| case 8: *(unsigned_8*)vp = H2T_8(*(unsigned_8*)vp); break; \ |
| case 16: *(unsigned_16*)vp = H2T_16(*(unsigned_16*)vp); break; \ |
| } \ |
| } while (0) |
| |
| #define T2H(VARIABLE) \ |
| do { \ |
| switch (sizeof(VARIABLE)) { \ |
| case 1: VARIABLE = T2H_1(VARIABLE); break; \ |
| case 2: VARIABLE = T2H_2(VARIABLE); break; \ |
| case 4: VARIABLE = T2H_4(VARIABLE); break; \ |
| case 8: VARIABLE = T2H_8(VARIABLE); break; \ |
| /*case 16: VARIABLE = T2H_16(VARIABLE); break;*/ \ |
| } \ |
| } while (0) |
| |
| #define SWAP(VARIABLE) \ |
| do { \ |
| switch (sizeof(VARIABLE)) { \ |
| case 1: VARIABLE = SWAP_1(VARIABLE); break; \ |
| case 2: VARIABLE = SWAP_2(VARIABLE); break; \ |
| case 4: VARIABLE = SWAP_4(VARIABLE); break; \ |
| case 8: VARIABLE = SWAP_8(VARIABLE); break; \ |
| /*case 16: VARIABLE = SWAP_16(VARIABLE); break;*/ \ |
| } \ |
| } while (0) |
| |
| #define H2BE(VARIABLE) \ |
| do { \ |
| switch (sizeof(VARIABLE)) { \ |
| case 1: VARIABLE = H2BE_1(VARIABLE); break; \ |
| case 2: VARIABLE = H2BE_2(VARIABLE); break; \ |
| case 4: VARIABLE = H2BE_4(VARIABLE); break; \ |
| case 8: VARIABLE = H2BE_8(VARIABLE); break; \ |
| /*case 16: VARIABLE = H2BE_16(VARIABLE); break;*/ \ |
| } \ |
| } while (0) |
| |
| #define BE2H(VARIABLE) \ |
| do { \ |
| switch (sizeof(VARIABLE)) { \ |
| case 1: VARIABLE = BE2H_1(VARIABLE); break; \ |
| case 2: VARIABLE = BE2H_2(VARIABLE); break; \ |
| case 4: VARIABLE = BE2H_4(VARIABLE); break; \ |
| case 8: VARIABLE = BE2H_8(VARIABLE); break; \ |
| /*case 16: VARIABLE = BE2H_16(VARIABLE); break;*/ \ |
| } \ |
| } while (0) |
| |
| #define H2LE(VARIABLE) \ |
| do { \ |
| switch (sizeof(VARIABLE)) { \ |
| case 1: VARIABLE = H2LE_1(VARIABLE); break; \ |
| case 2: VARIABLE = H2LE_2(VARIABLE); break; \ |
| case 4: VARIABLE = H2LE_4(VARIABLE); break; \ |
| case 8: VARIABLE = H2LE_8(VARIABLE); break; \ |
| /*case 16: VARIABLE = H2LE_16(VARIABLE); break;*/ \ |
| } \ |
| } while (0) |
| |
| #define LE2H(VARIABLE) \ |
| do { \ |
| switch (sizeof(VARIABLE)) { \ |
| case 1: VARIABLE = LE2H_1(VARIABLE); break; \ |
| case 2: VARIABLE = LE2H_2(VARIABLE); break; \ |
| case 4: VARIABLE = LE2H_4(VARIABLE); break; \ |
| case 8: VARIABLE = LE2H_8(VARIABLE); break; \ |
| /*case 16: VARIABLE = LE2H_16(VARIABLE); break;*/ \ |
| } \ |
| } while (0) |
| |
| |
| |
| /* TARGET WORD: |
| |
| Byte swap a quantity the size of the targets word */ |
| |
| #if (WITH_TARGET_WORD_BITSIZE == 64) |
| #define H2T_word H2T_8 |
| #define T2H_word T2H_8 |
| #define H2BE_word H2BE_8 |
| #define BE2H_word BE2H_8 |
| #define H2LE_word H2LE_8 |
| #define LE2H_word LE2H_8 |
| #define SWAP_word SWAP_8 |
| #endif |
| #if (WITH_TARGET_WORD_BITSIZE == 32) |
| #define H2T_word H2T_4 |
| #define T2H_word T2H_4 |
| #define H2BE_word H2BE_4 |
| #define BE2H_word BE2H_4 |
| #define H2LE_word H2LE_4 |
| #define LE2H_word LE2H_4 |
| #define SWAP_word SWAP_4 |
| #endif |
| |
| |
| |
| /* TARGET CELL: |
| |
| Byte swap a quantity the size of the targets IEEE 1275 memory cell */ |
| |
| #define H2T_cell H2T_4 |
| #define T2H_cell T2H_4 |
| #define H2BE_cell H2BE_4 |
| #define BE2H_cell BE2H_4 |
| #define H2LE_cell H2LE_4 |
| #define LE2H_cell LE2H_4 |
| #define SWAP_cell SWAP_4 |
| |
| |
| |
| /* HOST Offsets: |
| |
| Address of high/low sub-word within a host word quantity. |
| |
| Address of sub-word N within a host word quantity. NOTE: Numbering |
| is BIG endian always. */ |
| |
| #define AH1_2(X) (unsigned_1*)offset_2((X), 1, 0) |
| #define AL1_2(X) (unsigned_1*)offset_2((X), 1, 1) |
| |
| #define AH2_4(X) (unsigned_2*)offset_4((X), 2, 0) |
| #define AL2_4(X) (unsigned_2*)offset_4((X), 2, 1) |
| |
| #define AH4_8(X) (unsigned_4*)offset_8((X), 4, 0) |
| #define AL4_8(X) (unsigned_4*)offset_8((X), 4, 1) |
| |
| #define AH8_16(X) (unsigned_8*)offset_16((X), 8, 0) |
| #define AL8_16(X) (unsigned_8*)offset_16((X), 8, 1) |
| |
| #if (WITH_TARGET_WORD_BITSIZE == 64) |
| #define AH_word(X) AH4_8(X) |
| #define AL_word(X) AL4_8(X) |
| #endif |
| #if (WITH_TARGET_WORD_BITSIZE == 32) |
| #define AH_word(X) AH2_4(X) |
| #define AL_word(X) AL2_4(X) |
| #endif |
| |
| |
| #define A1_2(X,N) (unsigned_1*)offset_2((X), 1, (N)) |
| |
| #define A1_4(X,N) (unsigned_1*)offset_4((X), 1, (N)) |
| #define A2_4(X,N) (unsigned_2*)offset_4((X), 2, (N)) |
| |
| #define A1_8(X,N) (unsigned_1*)offset_8((X), 1, (N)) |
| #define A2_8(X,N) (unsigned_2*)offset_8((X), 2, (N)) |
| #define A4_8(X,N) (unsigned_4*)offset_8((X), 4, (N)) |
| |
| #define A1_16(X,N) (unsigned_1*)offset_16((X), 1, (N)) |
| #define A2_16(X,N) (unsigned_2*)offset_16((X), 2, (N)) |
| #define A4_16(X,N) (unsigned_4*)offset_16((X), 4, (N)) |
| #define A8_16(X,N) (unsigned_8*)offset_16((X), 8, (N)) |
| |
| |
| |
| |
| /* HOST Components: |
| |
| Value of sub-word within a host word quantity */ |
| |
| #define VH1_2(X) ((unsigned_1)((unsigned_2)(X) >> 8)) |
| #define VL1_2(X) (unsigned_1)(X) |
| |
| #define VH2_4(X) ((unsigned_2)((unsigned_4)(X) >> 16)) |
| #define VL2_4(X) ((unsigned_2)(X)) |
| |
| #define VH4_8(X) ((unsigned_4)((unsigned_8)(X) >> 32)) |
| #define VL4_8(X) ((unsigned_4)(X)) |
| |
| #define VH8_16(X) (sim_endian_split_16 ((X), 0)) |
| #define VL8_16(X) (sim_endian_split_16 ((X), 1)) |
| |
| #if (WITH_TARGET_WORD_BITSIZE == 64) |
| #define VH_word(X) VH4_8(X) |
| #define VL_word(X) VL4_8(X) |
| #endif |
| #if (WITH_TARGET_WORD_BITSIZE == 32) |
| #define VH_word(X) VH2_4(X) |
| #define VL_word(X) VL2_4(X) |
| #endif |
| |
| |
| #define V1_2(X,N) ((unsigned_1)((unsigned_2)(X) >> ( 8 * (1 - (N))))) |
| |
| #define V1_4(X,N) ((unsigned_1)((unsigned_4)(X) >> ( 8 * (3 - (N))))) |
| #define V2_4(X,N) ((unsigned_2)((unsigned_4)(X) >> (16 * (1 - (N))))) |
| |
| #define V1_8(X,N) ((unsigned_1)((unsigned_8)(X) >> ( 8 * (7 - (N))))) |
| #define V2_8(X,N) ((unsigned_2)((unsigned_8)(X) >> (16 * (3 - (N))))) |
| #define V4_8(X,N) ((unsigned_4)((unsigned_8)(X) >> (32 * (1 - (N))))) |
| |
| #define V1_16(X,N) (*A1_16 (&(X),N)) |
| #define V2_16(X,N) (*A2_16 (&(X),N)) |
| #define V4_16(X,N) (*A4_16 (&(X),N)) |
| #define V8_16(X,N) (*A8_16 (&(X),N)) |
| |
| |
| /* Reverse - insert sub-word into word quantity */ |
| |
| #define V2_H1(X) ((unsigned_2)(unsigned_1)(X) << 8) |
| #define V2_L1(X) ((unsigned_2)(unsigned_1)(X)) |
| |
| #define V4_H2(X) ((unsigned_4)(unsigned_2)(X) << 16) |
| #define V4_L2(X) ((unsigned_4)(unsigned_2)(X)) |
| |
| #define V8_H4(X) ((unsigned_8)(unsigned_4)(X) << 32) |
| #define V8_L4(X) ((unsigned_8)(unsigned_4)(X)) |
| |
| #define V16_H8(X) ((unsigned_16)(unsigned_8)(X) << 64) |
| #define V16_L8(X) ((unsigned_16)(unsigned_8)(X)) |
| |
| |
| #define V2_1(X,N) ((unsigned_2)(unsigned_1)(X) << ( 8 * (1 - (N)))) |
| |
| #define V4_1(X,N) ((unsigned_4)(unsigned_1)(X) << ( 8 * (3 - (N)))) |
| #define V4_2(X,N) ((unsigned_4)(unsigned_2)(X) << (16 * (1 - (N)))) |
| |
| #define V8_1(X,N) ((unsigned_8)(unsigned_1)(X) << ( 8 * (7 - (N)))) |
| #define V8_2(X,N) ((unsigned_8)(unsigned_2)(X) << (16 * (3 - (N)))) |
| #define V8_4(X,N) ((unsigned_8)(unsigned_4)(X) << (32 * (1 - (N)))) |
| |
| #define V16_1(X,N) ((unsigned_16)(unsigned_1)(X) << ( 8 * (15 - (N)))) |
| #define V16_2(X,N) ((unsigned_16)(unsigned_2)(X) << (16 * (7 - (N)))) |
| #define V16_4(X,N) ((unsigned_16)(unsigned_4)(X) << (32 * (3 - (N)))) |
| #define V16_8(X,N) ((unsigned_16)(unsigned_8)(X) << (64 * (1 - (N)))) |
| |
| |
| /* Reverse - insert N sub-words into single word quantity */ |
| |
| #define U2_1(I0,I1) (V2_1(I0,0) | V2_1(I1,1)) |
| #define U4_1(I0,I1,I2,I3) (V4_1(I0,0) | V4_1(I1,1) | V4_1(I2,2) | V4_1(I3,3)) |
| #define U8_1(I0,I1,I2,I3,I4,I5,I6,I7) \ |
| (V8_1(I0,0) | V8_1(I1,1) | V8_1(I2,2) | V8_1(I3,3) \ |
| | V8_1(I4,4) | V8_1(I5,5) | V8_1(I6,6) | V8_1(I7,7)) |
| #define U16_1(I0,I1,I2,I3,I4,I5,I6,I7,I8,I9,I10,I11,I12,I13,I14,I15) \ |
| (V16_1(I0,0) | V16_1(I1,1) | V16_1(I2,2) | V16_1(I3,3) \ |
| | V16_1(I4,4) | V16_1(I5,5) | V16_1(I6,6) | V16_1(I7,7) \ |
| | V16_1(I8,8) | V16_1(I9,9) | V16_1(I10,10) | V16_1(I11,11) \ |
| | V16_1(I12,12) | V16_1(I13,13) | V16_1(I14,14) | V16_1(I15,15)) |
| |
| #define U4_2(I0,I1) (V4_2(I0,0) | V4_2(I1,1)) |
| #define U8_2(I0,I1,I2,I3) (V8_2(I0,0) | V8_2(I1,1) | V8_2(I2,2) | V8_2(I3,3)) |
| #define U16_2(I0,I1,I2,I3,I4,I5,I6,I7) \ |
| (V16_2(I0,0) | V16_2(I1,1) | V16_2(I2,2) | V16_2(I3,3) \ |
| | V16_2(I4,4) | V16_2(I5,5) | V16_2(I6,6) | V16_2(I7,7) ) |
| |
| #define U8_4(I0,I1) (V8_4(I0,0) | V8_4(I1,1)) |
| #define U16_4(I0,I1,I2,I3) (V16_4(I0,0) | V16_4(I1,1) | V16_4(I2,2) | V16_4(I3,3)) |
| |
| #define U16_8(I0,I1) (sim_endian_join_16 (I0, I1)) |
| |
| |
| #if (WITH_TARGET_WORD_BITSIZE == 64) |
| #define Vword_H(X) V8_H4(X) |
| #define Vword_L(X) V8_L4(X) |
| #endif |
| #if (WITH_TARGET_WORD_BITSIZE == 32) |
| #define Vword_H(X) V4_H2(X) |
| #define Vword_L(X) V4_L2(X) |
| #endif |
| |
| |
| |
| |
| #if H_REVEALS_MODULE_P (SIM_ENDIAN_INLINE) |
| #include "sim-endian.c" |
| #endif |
| |
| #endif /* SIM_ENDIAN_H */ |
