| 1 | /* Target description definitions for remote server for GDB. |
| 2 | Copyright (C) 2012-2020 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of GDB. |
| 5 | |
| 6 | This program is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 3 of the License, or |
| 9 | (at your option) any later version. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #ifndef GDBSERVER_TDESC_H |
| 20 | #define GDBSERVER_TDESC_H |
| 21 | |
| 22 | #include "gdbsupport/tdesc.h" |
| 23 | |
| 24 | #include "regdef.h" |
| 25 | #include <vector> |
| 26 | |
| 27 | /* A target description. Inherit from tdesc_feature so that target_desc |
| 28 | can be used as tdesc_feature. */ |
| 29 | |
| 30 | struct target_desc : tdesc_element |
| 31 | { |
| 32 | /* A vector of elements of register definitions that |
| 33 | describe the inferior's register set. */ |
| 34 | std::vector<struct gdb::reg> reg_defs; |
| 35 | |
| 36 | /* The register cache size, in bytes. */ |
| 37 | int registers_size; |
| 38 | |
| 39 | /* XML features in this target description. */ |
| 40 | std::vector<tdesc_feature_up> features; |
| 41 | |
| 42 | #ifndef IN_PROCESS_AGENT |
| 43 | /* An array of register names. These are the "expedite" registers: |
| 44 | registers whose values are sent along with stop replies. */ |
| 45 | const char **expedite_regs = NULL; |
| 46 | |
| 47 | /* Defines what to return when looking for the "target.xml" file in |
| 48 | response to qXfer:features:read. Its contents can either be |
| 49 | verbatim XML code (prefixed with a '@') or else the name of the |
| 50 | actual XML file to be used in place of "target.xml". |
| 51 | |
| 52 | If NULL then its content will be generated by parsing the target |
| 53 | description into xml. */ |
| 54 | mutable const char *xmltarget = NULL; |
| 55 | |
| 56 | /* The value of <architecture> element in the XML, replying GDB. */ |
| 57 | const char *arch = NULL; |
| 58 | |
| 59 | /* The value of <osabi> element in the XML, replying GDB. */ |
| 60 | const char *osabi = NULL; |
| 61 | |
| 62 | public: |
| 63 | target_desc () |
| 64 | : registers_size (0) |
| 65 | {} |
| 66 | |
| 67 | ~target_desc (); |
| 68 | |
| 69 | bool operator== (const target_desc &other) const; |
| 70 | |
| 71 | bool operator!= (const target_desc &other) const |
| 72 | { |
| 73 | return !(*this == other); |
| 74 | } |
| 75 | #endif |
| 76 | |
| 77 | void accept (tdesc_element_visitor &v) const override; |
| 78 | }; |
| 79 | |
| 80 | /* Copy target description SRC to DEST. */ |
| 81 | |
| 82 | void copy_target_description (struct target_desc *dest, |
| 83 | const struct target_desc *src); |
| 84 | |
| 85 | /* Initialize TDESC, and then set its expedite_regs field to |
| 86 | EXPEDITE_REGS. */ |
| 87 | |
| 88 | void init_target_desc (struct target_desc *tdesc, |
| 89 | const char **expedite_regs); |
| 90 | |
| 91 | /* Return the current inferior's target description. Never returns |
| 92 | NULL. */ |
| 93 | |
| 94 | const struct target_desc *current_target_desc (void); |
| 95 | |
| 96 | /* Return true if TDESC contains the feature described by string FEATURE. |
| 97 | Return false otherwise. */ |
| 98 | bool tdesc_contains_feature (const target_desc *tdesc, |
| 99 | const std::string &feature); |
| 100 | |
| 101 | #endif /* GDBSERVER_TDESC_H */ |