1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
|
/*
* Copyright © Michael Smith <mikesmiffy128@gmail.com>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED “AS IS” AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#ifdef _WIN32
#include <Windows.h>
#endif
#include "accessor.h"
#include "con_.h"
#include "engineapi.h"
#include "errmsg.h"
#include "gamedata.h"
#include "intdefs.h"
#include "ppmagic.h"
#include "udis86.h"
#include "vcall.h"
#include <gamedatadbg.gen.h>
#include <entpropsdbg.gen.h>
#ifdef _WIN32
usize dbg_toghidra(const void *addr) {
const char *mod;
if (!GetModuleHandleExW(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS |
GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT, (ushort *)addr,
(HMODULE *)&mod)) {
con_warn("dbg_toghidra: couldn't get base address\n");
return 0;
}
return (const char *)addr - mod + 0x10000000;
}
#endif
void dbg_hexdump(const char *name, const void *p, int len) {
struct rgba nice_colour = {160, 64, 200, 255}; // a nice purple colour
#ifdef _WIN32
con_colourmsg(&nice_colour, "Hex dump \"%s\" (%p | %p):\n", name, p,
(void *)dbg_toghidra(p));
#else
con_colourmsg(&nice_colour, "Hex dump \"%s\" (%p):\n", name, p);
#endif
for (const uchar *cp = p; cp - (uchar *)p < len; ++cp) {
// group into words and wrap every 8 words
switch ((cp - (uchar *)p) & 31) {
case 0: con_colourmsg(&nice_colour, "\n"); break;
CASES(4, 8, 12, 16, 20, 24, 28): con_colourmsg(&nice_colour, " ");
}
con_colourmsg(&nice_colour, "%02X ", *cp);
}
con_msg("\n");
}
void dbg_asmdump(const char *name, const void *p, int len) {
struct rgba nice_colour = {40, 160, 140, 255}; // a nice teal colour
struct ud udis;
ud_init(&udis);
ud_set_mode(&udis, 32);
ud_set_input_buffer(&udis, p, len);
ud_set_syntax(&udis, UD_SYN_INTEL);
#ifdef _WIN32
con_colourmsg(&nice_colour, "Disassembly \"%s\" (%p | %p):\n", name, p,
(void *)dbg_toghidra(p));
#else
con_colourmsg(&nice_colour, "Disassembly \"%s\" (%p):\n", name, p);
#endif
while (ud_disassemble(&udis)) {
con_colourmsg(&nice_colour, " %s\n", ud_insn_asm(&udis));
}
}
DEF_CCMD_HERE(sst_dbg_getcmdcb, "Get the address of a command callback", 0) {
if (cmd->argc != 2) {
con_warn("usage: sst_dbg_getcmdcb command\n");
return;
}
struct con_cmd *thecmd = con_findcmd(cmd->argv[1]);
if (!thecmd) {
errmsg_errorstd("couldn't find command %s\n", cmd->argv[1]);
return;
}
#ifdef _WIN32
con_msg("addr: %p\nghidra: %p\n", (void *)thecmd->cb,
(void *)dbg_toghidra((void *)thecmd->cb)); // ugh
#else
con_msg("addr: %p\n", (void *)thecmd->cb);
#endif
}
DECL_VFUNC_DYN(struct IServerGameDLL, struct ServerClass *, GetAllServerClasses)
DEF_ARRAYIDX_ACCESSOR(struct SendProp, SendProp)
DEF_ACCESSORS(struct SendProp, const char *, SP_varname)
DEF_ACCESSORS(struct SendProp, int, SP_type)
DEF_ACCESSORS(struct SendProp, int, SP_offset)
DEF_ACCESSORS(struct SendProp, struct SendTable *, SP_subtable)
static void dumptable(struct SendTable *st, int indent) {
for (int i = 0; i < st->nprops; ++i) {
for (int i = 0; i < indent; i++) con_msg(" ");
struct SendProp *p = arrayidx_SendProp(st->props, i);
const char *name = get_SP_varname(p);
if (get_SP_type(p) == DPT_DataTable) {
struct SendTable *st = get_SP_subtable(p);
if (!strcmp(name, "baseclass")) {
con_msg("baseclass -> table %s (skipped)\n", st->tablename);
}
else {
con_msg("%s -> subtable %s\n", name, st->tablename);
dumptable(st, indent + 1);
}
}
else {
con_msg("%s -> offset %d\n", name, get_SP_offset(p));
}
}
}
DEF_CCMD_HERE(sst_dbg_sendtables, "Dump ServerClass/SendTable hierarchy", 0) {
for (struct ServerClass *class = GetAllServerClasses(srvdll); class;
class = class->next) {
struct SendTable *st = class->table;
con_msg("class %s (table %s)\n", class->name, st->tablename);
dumptable(st, 1);
}
}
DEF_CCMD_HERE(sst_dbg_gamedata, "Dump current gamedata values", 0) {
dumpgamedata();
dumpentprops();
}
// vi: sw=4 ts=4 noet tw=80 cc=80
|
