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annotate debug.h @ 2214:7591c67b8d1e

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Support for loading symbols in debugger for use during name resolution and disassembly
author Michael Pavone <pavone@retrodev.com>
date Mon, 29 Aug 2022 23:01:46 -0700
parents d00fb9c6a6a2
children 4b2ac43c106e
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1 #ifndef DEBUG_H_
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2 #define DEBUG_H_
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3
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4 #include <stdint.h>
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5 #include "tern.h"
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6 #include "m68k_core.h"
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7 #ifdef NEW_CORE
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8 #include "z80.h"
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9 #else
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10 #include "z80_to_x86.h"
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11 #endif
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12 #include "disasm.h"
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13
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14 typedef enum {
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15 TOKEN_NONE,
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16 TOKEN_NUM,
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17 TOKEN_NAME,
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18 TOKEN_OPER,
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19 TOKEN_SIZE,
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20 TOKEN_LBRACKET,
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21 TOKEN_RBRACKET,
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22 TOKEN_LPAREN,
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23 TOKEN_RPAREN
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24 } token_type;
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25
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26 typedef struct {
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27 token_type type;
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28 union {
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29 char *str;
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30 char op[3];
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31 uint32_t num;
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32 } v;
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33 } token;
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34
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35 typedef enum {
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36 EXPR_NONE,
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37 EXPR_SCALAR,
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38 EXPR_UNARY,
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39 EXPR_BINARY,
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40 EXPR_SIZE,
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41 EXPR_MEM
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42 } expr_type;
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43
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44 typedef struct expr expr;
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45
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46 struct expr {
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47 expr_type type;
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48 expr *left;
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49 expr *right;
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50 token op;
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51 };
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52
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53 typedef struct {
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54 char *raw;
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55 expr *parsed;
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56 uint32_t value;
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57 } command_arg;
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58
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59 typedef struct debug_root debug_root;
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60 typedef struct parsed_command parsed_command;
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61 typedef uint8_t (*cmd_fun)(debug_root *root, parsed_command *cmd);
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62
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63 typedef struct {
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64 const char **names;
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65 const char *usage;
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66 const char *desc;
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67 cmd_fun impl;
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68 int min_args;
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69 int max_args;
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70 uint8_t skip_eval;
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71 uint8_t visited;
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72 uint8_t has_block;
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73 uint8_t accepts_else;
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74 uint8_t raw_args;
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75 } command_def;
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76
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77 typedef struct disp_def {
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78 struct disp_def *next;
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79 char *format;
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80 int num_args;
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81 command_arg *args;
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82 uint32_t index;
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83 } disp_def;
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84
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85 typedef struct {
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86 parsed_command *commands;
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87 int num_commands;
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88 } command_block;
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89
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90 struct parsed_command {
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91 command_def *def;
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92 char *format;
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93 char *raw;
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94 command_arg *args;
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95 int num_args;
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96 command_block block;
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97 command_block else_block;
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98 };
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99
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100 typedef struct bp_def {
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101 struct bp_def *next;
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102 parsed_command *commands;
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103 expr *condition;
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104 uint32_t num_commands;
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105 uint32_t address;
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106 uint32_t index;
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107 } bp_def;
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108
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109 typedef uint8_t (*resolver)(debug_root *root, const char *name, uint32_t *out);
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110 typedef uint8_t (*setter)(debug_root *root, const char *name, uint32_t value);
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111 typedef uint8_t (*reader)(debug_root *root, uint32_t *out, char size);
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112 typedef uint8_t (*writer)(debug_root *root, uint32_t address, uint32_t value, char size);
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113
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114 struct debug_root {
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115 void *cpu_context;
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116 bp_def *breakpoints;
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117 disp_def *displays;
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118 tern_node *commands;
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119 tern_node *symbols;
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120 disasm_context *disasm;
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121 resolver resolve;
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122 reader read_mem;
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123 setter set;
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124 writer write_mem;
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125 parsed_command last_cmd;
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126 uint32_t bp_index;
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127 uint32_t disp_index;
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128 uint32_t branch_t;
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129 uint32_t branch_f;
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130 void *inst;
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131 uint32_t address;
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132 uint32_t after;
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diff changeset
133 };
2107
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 1921
diff changeset
134
f80c6111e1ae Move some debugger state to a per-CPU structure. Add m command for returning to main CPU from sub CPU
Michael Pavone <pavone@retrodev.com>
parents: 1921
diff changeset
135 debug_root *find_root(void *cpu);
2178
f6d5bde4d07f Finish debugger refactor started with expression parser changes
Michael Pavone <pavone@retrodev.com>
parents: 2175
diff changeset
136 debug_root *find_m68k_root(m68k_context *context);
f6d5bde4d07f Finish debugger refactor started with expression parser changes
Michael Pavone <pavone@retrodev.com>
parents: 2175
diff changeset
137 debug_root *find_z80_root(z80_context *context);
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
138 bp_def ** find_breakpoint(bp_def ** cur, uint32_t address);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
139 bp_def ** find_breakpoint_idx(bp_def ** cur, uint32_t index);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
140 void add_display(disp_def ** head, uint32_t *index, char format_char, char * param);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
141 void remove_display(disp_def ** head, uint32_t index);
1329
85a90964b557 Fix interaction between 68K debugger and instruction retranslation due to self modifying code or bank switching
Michael Pavone <pavone@retrodev.com>
parents: 1129
diff changeset
142 void debugger(m68k_context * context, uint32_t address);
1129
6b5c92b6205c Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents: 829
diff changeset
143 z80_context * zdebugger(z80_context * context, uint16_t address);
1921
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1752
diff changeset
144 void print_m68k_help();
5d028088e320 Added help commands to debugger
Eric Fry <yuv422@users.noreply.github.com>
parents: 1752
diff changeset
145 void print_z80_help();
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
146
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
147 #endif //DEBUG_H_