projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 67278683 FF |
1 | /* I860 -specific breakpoint stuff. |
| 2 | Copyright (C) 1986, 1987 Free Software Foundation, Inc. | |
| 3 | ||
| 4 | GDB is distributed in the hope that it will be useful, but WITHOUT ANY | |
| 5 | WARRANTY. No author or distributor accepts responsibility to anyone | |
| 6 | for the consequences of using it or for whether it serves any | |
| 7 | particular purpose or works at all, unless he says so in writing. | |
| 8 | Refer to the GDB General Public License for full details. | |
| 9 | ||
| 10 | Everyone is granted permission to copy, modify and redistribute GDB, | |
| 11 | but only under the conditions described in the GDB General Public | |
| 12 | License. A copy of this license is supposed to have been given to you | |
| 13 | along with GDB so you can know your rights and responsibilities. It | |
| 14 | should be in a file named COPYING. Among other things, the copyright | |
| 15 | notice and this notice must be preserved on all copies. | |
| 16 | ||
| 17 | In other words, go ahead and share GDB, but don't try to stop | |
| 18 | anyone else from sharing it farther. Help stamp out software hoarding! | |
| 19 | */ | |
| 20 | ||
| 21 | /* #define BREAKPOINT_DEBUG 1 */ | |
| 22 | ||
| 23 | #include "tm.h" | |
| 24 | ||
| 25 | #ifdef i860 | |
| 26 | void i860_insert_breakpoints(); | |
| 27 | void i860_dbrk_breakpoints(); | |
| 28 | ||
| 29 | #define BREAKPOINT_HERE(b,pc) ((b->act_addr[0] == pc) || (b->act_addr[1] == pc) ||(b->act_addr[2] == pc) || (b->act_addr[2] == pc)) | |
| 30 | ||
| 31 | /* This is the sequence of bytes we insert for a breakpoint. */ | |
| 32 | ||
| 33 | static char break_insn[] = BREAKPOINT; | |
| 34 | static char float_insn[] = BREAKFLOAT; | |
| 35 | ||
| 36 | #endif | |
| 37 | ||
| 38 | #define FOPMSK 0x4C000000 | |
| 39 | #define DOPMSK 0x4C000200 | |
| 40 | #define FOP860 0x48000000 | |
| 41 | #define DOP860 0x48000200 | |
| 42 | ||
| 43 | #define ALN32(a) ((( (int)(a) & 0x0007) == 0x04) ) | |
| 44 | #define ALN64(a) ((( (int)(a) & 0x0007) == 0x00) ) | |
| 45 | /* | |
| 46 | #define ISFOP(a) ((((adj_read_memory_integer(a)) & FOPMSK)==FOP860 )) | |
| 47 | #define ISCOR(a) ((!(((adj_read_memory_integer(a)) & FOPMSK)==FOP860 ))) | |
| 48 | #define ISDOP(a) ((((adj_read_memory_integer(a)) & DOPMSK)==DOP860 )) | |
| 49 | */ | |
| 50 | ||
| 51 | #define ISFOP(a) ((((adj_read_memory_integer(a)) & FOPMSK)==FOP860 )) | |
| 52 | #define ISCOR(a) ((!(((adj_read_memory_integer(a)) & FOPMSK)==FOP860 ))) | |
| 53 | #define ISDOP(a) ((((adj_read_memory_integer(a)) & DOPMSK)==DOP860 )) | |
| 54 | ||
| 55 | #define ISDIM(a) (\ | |
| 56 | ( ISDOP(a) && ALN64(a) && ISCOR(a+4)) || \ | |
| 57 | ((ISFOP(a) && ALN64(a) && ISCOR(a+4)) && (ISDOP(a-8) || ISDOP(a-0x10))) || \ | |
| 58 | ( ISCOR(a) && ALN32(a) && ISDOP(a-4)) || \ | |
| 59 | ((ISCOR(a) && ALN32(a) && ISFOP(a+4)) && (ISDOP(a-4) || ISDOP(a-0x0C))) \ | |
| 60 | ) | |
| 61 | /* | |
| 62 | #define ISDIM(a) (\ | |
| 63 | ( ISDOP(a) && ALN64(a) && ISCOR(a+4)) || \ | |
| 64 | ((ISFOP(a) && ALN64(a) && ISCOR(a+4)) && (ISDOP(a-8) || ISDOP(a-16))) || \ | |
| 65 | ( ISCOR(a) && ALN32(a) && ISDOP(a-4)) || \ | |
| 66 | ((ISCOR(a) && ALN32(a) && ISFOP(a+4)) && (ISDOP(a-4) || ISDOP(a-12))) \ | |
| 67 | ) | |
| 68 | */ | |
| 69 | #define FOPADR(a) ( ((int)(a) & 0xFFFFFFF8) ) | |
| 70 | #define CORADR(a) ((((int)(a) & 0xFFFFFFFC ) | 0x04) ) | |
| 71 | ||
| 72 | #define DMNEXT(a) ( ISDIM(a)?(ISDIM(a+1)?(a+2):(a+1)):(a+1) ) | |
| 73 | #define STDIM (((*(int *)&(registers[REGISTER_BYTE(PS_REGNUM)])) & 0x6000) == 0x2000 ) | |
| 74 | #define INDIM (((*(int *)&(registers[REGISTER_BYTE(PS_REGNUM)])) & 0x6000) == 0x4000 ) | |
| 75 | #define ENDIM (((*(int *)&(registers[REGISTER_BYTE(PS_REGNUM)])) & 0x6000) == 0x6000 ) | |
| 76 | ||
| 77 | #define DIM 8 | |
| 78 | #define RIM 0x8004 | |
| 79 | #define SIM 4 | |
| 80 | #define ADDR_INC(a) (((int)(a) & 0x0FFF)) | |
| 81 | ||
| 82 | #define SINGLE_STEP_MODE 1 | |
| 83 | #define BREAK_MODE 0 |