tuxillo's projects / dragonfly.git / blame
| Commit | Line | Data |
|---|---|---|
| 5796c8dc SS |
1 | /* Per-frame user registers, for GDB, the GNU debugger. |
| 2 | ||
| 25e4902b | 3 | Copyright (C) 2002-2015 Free Software Foundation, Inc. |
| 5796c8dc SS |
4 | |
| 5 | Contributed by Red Hat. | |
| 6 | ||
| 7 | This file is part of GDB. | |
| 8 | ||
| 9 | This program is free software; you can redistribute it and/or modify | |
| 10 | it under the terms of the GNU General Public License as published by | |
| 11 | the Free Software Foundation; either version 3 of the License, or | |
| 12 | (at your option) any later version. | |
| 13 | ||
| 14 | This program is distributed in the hope that it will be useful, | |
| 15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 17 | GNU General Public License for more details. | |
| 18 | ||
| 19 | You should have received a copy of the GNU General Public License | |
| 20 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
| 21 | ||
| 22 | #ifndef USER_REGS_H | |
| 23 | #define USER_REGS_H | |
| 24 | ||
| 25 | /* Implement both builtin, and architecture specific, per-frame user | |
| 26 | visible registers. | |
| 27 | ||
| 28 | Builtin registers apply to all architectures, where as architecture | |
| 29 | specific registers are present when the architecture is selected. | |
| 30 | ||
| 31 | These registers are assigned register numbers outside the | |
| 32 | architecture's register range | |
| 33 | [0 .. gdbarch_num_regs + gdbarch_num_pseudo_regs]. | |
| 34 | Their values should be constructed using per-frame information. */ | |
| 35 | ||
| 36 | /* TODO: cagney/2003-06-27: Need to think more about how these | |
| 37 | registers are added, read, and modified. At present they are kind | |
| 38 | of assumed to be read-only. Should it, for instance, return a | |
| 39 | register descriptor that contains all the relvent access methods. */ | |
| 40 | ||
| 41 | struct frame_info; | |
| 42 | struct gdbarch; | |
| 43 | ||
| 44 | /* Given an architecture, map a user visible register name onto its | |
| 45 | index. */ | |
| 46 | ||
| 47 | extern int user_reg_map_name_to_regnum (struct gdbarch *gdbarch, | |
| 48 | const char *str, int len); | |
| 49 | ||
| 50 | extern const char *user_reg_map_regnum_to_name (struct gdbarch *gdbarch, | |
| 51 | int regnum); | |
| 52 | ||
| 53 | /* Return the value of the frame register in the specified frame. | |
| 54 | ||
| 55 | Note; These methods return a "struct value" instead of the raw | |
| 56 | bytes as, at the time the register is being added, the type needed | |
| 57 | to describe the register has not bee initialized. */ | |
| 58 | ||
| 59 | typedef struct value *(user_reg_read_ftype) (struct frame_info *frame, | |
| 60 | const void *baton); | |
| 61 | extern struct value *value_of_user_reg (int regnum, struct frame_info *frame); | |
| 62 | ||
| 63 | /* Add a builtin register (present in all architectures). */ | |
| 64 | extern void user_reg_add_builtin (const char *name, | |
| c50c785c JM |
65 | user_reg_read_ftype *read, |
| 66 | const void *baton); | |
| 5796c8dc SS |
67 | |
| 68 | /* Add a per-architecture frame register. */ | |
| 69 | extern void user_reg_add (struct gdbarch *gdbarch, const char *name, | |
| 70 | user_reg_read_ftype *read, const void *baton); | |
| 71 | ||
| 72 | #endif |