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Finish debugger refactor started with expression parser changes
author Michael Pavone <pavone@retrodev.com>
date Sat, 13 Aug 2022 19:16:30 -0700
parents 8c28c5466d70
children 2d7f8195be3b
comparison
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2177:44596610b2a0 2178:f6d5bde4d07f
1 #ifndef DEBUG_H_ 1 #ifndef DEBUG_H_
2 #define DEBUG_H_ 2 #define DEBUG_H_
3 3
4 #include <stdint.h> 4 #include <stdint.h>
5 #include "tern.h"
5 #include "m68k_core.h" 6 #include "m68k_core.h"
6 #ifdef NEW_CORE 7 #ifdef NEW_CORE
7 #include "z80.h" 8 #include "z80.h"
8 #else 9 #else
9 #include "z80_to_x86.h" 10 #include "z80_to_x86.h"
10 #endif 11 #endif
11 12
13 typedef enum {
14 TOKEN_NONE,
15 TOKEN_NUM,
16 TOKEN_NAME,
17 TOKEN_OPER,
18 TOKEN_SIZE,
19 TOKEN_LBRACKET,
20 TOKEN_RBRACKET,
21 TOKEN_LPAREN,
22 TOKEN_RPAREN
23 } token_type;
24
25 typedef struct {
26 token_type type;
27 union {
28 char *str;
29 char op[3];
30 uint32_t num;
31 } v;
32 } token;
33
34 typedef enum {
35 EXPR_NONE,
36 EXPR_SCALAR,
37 EXPR_UNARY,
38 EXPR_BINARY,
39 EXPR_SIZE,
40 EXPR_MEM
41 } expr_type;
42
43 typedef struct expr expr;
44
45 struct expr {
46 expr_type type;
47 expr *left;
48 expr *right;
49 token op;
50 };
51
52 typedef struct {
53 char *raw;
54 expr *parsed;
55 uint32_t value;
56 } command_arg;
57
58 typedef struct debug_root debug_root;
59 typedef uint8_t (*raw_cmd)(debug_root *root, char *format, char *param);
60 typedef uint8_t (*cmd)(debug_root *root, char *format, int num_args, command_arg *args);
61
62 typedef struct {
63 const char **names;
64 const char *usage;
65 const char *desc;
66 raw_cmd raw_impl;
67 cmd impl;
68 int min_args;
69 int max_args;
70 uint8_t skip_eval;
71 uint8_t visited;
72 } command_def;
73
12 typedef struct disp_def { 74 typedef struct disp_def {
13 struct disp_def * next; 75 struct disp_def *next;
14 char * param; 76 char *format;
77 int num_args;
78 command_arg *args;
15 uint32_t index; 79 uint32_t index;
16 char format_char;
17 } disp_def; 80 } disp_def;
18 81
82 typedef struct {
83 command_def *def;
84 char *format;
85 char *raw;
86 command_arg *args;
87 int num_args;
88 } parsed_command;
89
19 typedef struct bp_def { 90 typedef struct bp_def {
20 struct bp_def *next; 91 struct bp_def *next;
21 char *commands; 92 parsed_command *commands;
22 uint32_t address; 93 uint32_t num_commands;
23 uint32_t index; 94 uint32_t address;
95 uint32_t index;
24 } bp_def; 96 } bp_def;
25 97
26 typedef struct debug_root debug_root;
27 typedef uint8_t (*resolver)(debug_root *root, const char *name, uint32_t *out); 98 typedef uint8_t (*resolver)(debug_root *root, const char *name, uint32_t *out);
99 typedef uint8_t (*setter)(debug_root *root, const char *name, uint32_t value);
28 typedef uint8_t (*reader)(debug_root *root, uint32_t *out, char size); 100 typedef uint8_t (*reader)(debug_root *root, uint32_t *out, char size);
101 typedef uint8_t (*writer)(debug_root *root, uint32_t address, uint32_t value, char size);
29 102
30 struct debug_root { 103 struct debug_root {
31 void *cpu_context; 104 void *cpu_context;
32 bp_def *breakpoints; 105 bp_def *breakpoints;
33 disp_def *displays; 106 disp_def *displays;
34 resolver resolve; 107 tern_node *commands;
35 reader read_mem; 108 resolver resolve;
36 uint32_t bp_index; 109 reader read_mem;
37 uint32_t disp_index; 110 setter set;
38 uint32_t branch_t; 111 writer write_mem;
39 uint32_t branch_f; 112 uint32_t bp_index;
40 uint32_t address; 113 uint32_t disp_index;
114 uint32_t branch_t;
115 uint32_t branch_f;
116 void *inst;
117 uint32_t address;
118 uint32_t after;
41 }; 119 };
42 120
43 debug_root *find_root(void *cpu); 121 debug_root *find_root(void *cpu);
122 debug_root *find_m68k_root(m68k_context *context);
123 debug_root *find_z80_root(z80_context *context);
44 bp_def ** find_breakpoint(bp_def ** cur, uint32_t address); 124 bp_def ** find_breakpoint(bp_def ** cur, uint32_t address);
45 bp_def ** find_breakpoint_idx(bp_def ** cur, uint32_t index); 125 bp_def ** find_breakpoint_idx(bp_def ** cur, uint32_t index);
46 void add_display(disp_def ** head, uint32_t *index, char format_char, char * param); 126 void add_display(disp_def ** head, uint32_t *index, char format_char, char * param);
47 void remove_display(disp_def ** head, uint32_t index); 127 void remove_display(disp_def ** head, uint32_t index);
48 void debugger(m68k_context * context, uint32_t address); 128 void debugger(m68k_context * context, uint32_t address);