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plugin.cpp
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plugin.cpp
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// Copyright (C) 2014 oct0xor
//
// This program is free software : you can redistribute it and / or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
// GNU General Public License 2.0 for more details.
//
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http ://www.gnu.org/licenses/
#define WIN32_LEAN_AND_MEAN
#define VC_LEANMEAN
#include <windows.h>
#include <ida.hpp>
#include <area.hpp>
#include <idd.hpp>
#include <dbg.hpp>
#include <loader.hpp>
#include <idp.hpp>
#include "gdb.h"
extern debugger_t debugger;
static bool init_plugin(void);
static void term_plugin(void);
bool plugin_inited;
//--------------------------------------------------------------------------
// Initialize debugger plugin
static int idaapi init(void)
{
if (init_plugin())
{
dbg = &debugger;
plugin_inited = true;
return PLUGIN_KEEP;
}
return PLUGIN_SKIP;
}
//--------------------------------------------------------------------------
// Terminate debugger plugin
static void idaapi term(void)
{
if (plugin_inited)
{
term_plugin();
plugin_inited = false;
}
}
//--------------------------------------------------------------------------
// The plugin method - usually is not used for debugger plugins
static void idaapi run(int /*arg*/)
{
}
static bool idaapi spu_print_2_dwords(
void *ud, // user-defined data
qstring *out, // output buffer. may be NULL
const void *value, // value to print. may not be NULL
asize_t size, // size of value in bytes
ea_t current_ea, // current address (BADADDR if unknown)
int operand_num, // current operand number
int dtid) // custom data type id (0-standard built-in data type)
{
if (0x10 != size)
return false;
qstring o;
if (0 != out)
{
uint32* v = (uint32*)value;
out->sprnt("%08X%08X %08X%08X", v[0], v[1], v[2], v[3]);
}
return true;
}
static bool idaapi spu_print_4_words(
void *ud, // user-defined data
qstring *out, // output buffer. may be NULL
const void *value, // value to print. may not be NULL
asize_t size, // size of value in bytes
ea_t current_ea, // current address (BADADDR if unknown)
int operand_num, // current operand number
int dtid) // custom data type id (0-standard built-in data type)
{
if (0x10 != size)
return false;
qstring o;
if (0 != out)
{
uint32* v = (uint32*)value;
out->sprnt("%08X %08X %08X %08X", v[0], v[1], v[2], v[3]);
}
return true;
}
static bool idaapi spu_print_8_hwords(
void *ud, // user-defined data
qstring *out, // output buffer. may be NULL
const void *value, // value to print. may not be NULL
asize_t size, // size of value in bytes
ea_t current_ea, // current address (BADADDR if unknown)
int operand_num, // current operand number
int dtid) // custom data type id (0-standard built-in data type)
{
if (0x10 != size)
return false;
qstring o;
if (0 != out)
{
uint16* v = (uint16*)value;
out->sprnt("%04X %04X %04X %04X %04X %04X %04X %04X",
v[1], v[0], v[3], v[2], v[5], v[4], v[7], v[6]);
}
return true;
}
static bool idaapi spu_print_16_bytes(
void *ud, // user-defined data
qstring *out, // output buffer. may be NULL
const void *value, // value to print. may not be NULL
asize_t size, // size of value in bytes
ea_t current_ea, // current address (BADADDR if unknown)
int operand_num, // current operand number
int dtid) // custom data type id (0-standard built-in data type)
{
if (0x10 != size)
return false;
qstring o;
if (0 != out)
{
uint8* v = (uint8*)value;
out->sprnt("%02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X",
v[3], v[2], v[1], v[0], v[7], v[6], v[5], v[4], v[11], v[10], v[9], v[8], v[15], v[14], v[13], v[12]);
}
return true;
}
static bool idaapi spu_print_2_doubles(
void *ud, // user-defined data
qstring *out, // output buffer. may be NULL
const void *value, // value to print. may not be NULL
asize_t size, // size of value in bytes
ea_t current_ea, // current address (BADADDR if unknown)
int operand_num, // current operand number
int dtid) // custom data type id (0-standard built-in data type)
{
if (0x10 != size)
return false;
qstring o;
if (0 != out)
{
uint32* v = (uint32*)value;
uint32 dv[4] = {v[1], v[0], v[3], v[2]};
double* d = (double*)value;
out->sprnt("%0.lf %0.lf", d[0], d[1]);
}
return true;
}
static bool idaapi spu_print_4_floats(
void *ud, // user-defined data
qstring *out, // output buffer. may be NULL
const void *value, // value to print. may not be NULL
asize_t size, // size of value in bytes
ea_t current_ea, // current address (BADADDR if unknown)
int operand_num, // current operand number
int dtid) // custom data type id (0-standard built-in data type)
{
if (0x10 != size)
return false;
qstring o;
if (0 != out)
{
float* v = (float*)value;
out->sprnt("%0.f %0.f %0.f %0.f", v[0], v[1], v[2], v[3]);
}
return true;
}
static bool idaapi spu_scan( // convert from uncolored string
void *ud, // user-defined data
bytevec_t *value, // output buffer. may be NULL
const char *input, // input string. may not be NULL
ea_t current_ea, // current address (BADADDR if unknown)
int operand_num, // current operand number (-1 if unknown)
qstring *errstr) // buffer for error message
{
return false;
}
static data_format_t custom_formats[] =
{
{sizeof(data_format_t), 0, 0, "spu_2_dwords", 0, 0, 0x10, 0x21, spu_print_2_dwords, spu_scan, 0},
{sizeof(data_format_t), 0, 0, "spu_4_words", 0, 0, 0x10, 0x23, spu_print_4_words, spu_scan, 0},
{sizeof(data_format_t), 0, 0, "spu_8_hwords", 0, 0, 0x10, 0x27, spu_print_8_hwords, spu_scan, 0},
{sizeof(data_format_t), 0, 0, "spu_16_bytes", 0, 0, 0x10, 0x2F, spu_print_16_bytes, spu_scan, 0},
{sizeof(data_format_t), 0, 0, "spu_2_doubles", 0, 0, 0x10, 0x2E, spu_print_2_doubles, spu_scan, 0},
{sizeof(data_format_t), 0, 0, "spu_4_floats", 0, 0, 0x10, 0x34, spu_print_4_floats, spu_scan, 0},
};
static const uint32 custom_format_count = sizeof(custom_formats) / sizeof(custom_formats[0]);
extern void setup_registers();
//--------------------------------------------------------------------------
// Initialize PPC debugger plugin
static bool init_plugin(void)
{
if (ph.id != PLFM_SPU)
return false;
setup_registers();
for (int k = 0; k < custom_format_count; ++k)
{
int dfid = register_custom_data_format(0, &custom_formats[k]);
if (dfid < 0)
msg("---: %d - Could not register custom format: %s - %lld bytes - %d wide\n", (uint32)k, custom_formats[k].name, (uint64)custom_formats[k].value_size, (uint32)custom_formats[k].text_width);
else
msg("---: %d - Registered custom format: %s - %lld bytes - %d wide\n", (uint32)k, custom_formats[k].name, (uint64)custom_formats[k].value_size, (uint32)custom_formats[k].text_width);
custom_formats[k].ud = (void*)dfid;
}
intvec_t dts;
int dt_count = get_custom_data_types(&dts);
for (int i = 0; i < dt_count; ++i)
{
const data_type_t* t = get_custom_data_type(dts[i]);
msg("%d - Type: %s - %lld bytes\n", (uint32)i, t->name, (uint64)t->value_size);
}
intvec_t dfs;
int df_count = get_custom_data_formats(&dfs, 0);
for (int j = 0; j < df_count; ++j)
{
const data_format_t* f = get_custom_data_format(0, dfs[j]);
msg("---: %d - Format: %s - %lld bytes - %d wide\n", (uint32)j, f->name, (uint64)f->value_size, (uint32)f->text_width);
}
return true;
}
//--------------------------------------------------------------------------
// Terminate PPC debugger plugin
static void term_plugin(void)
{
gdb_deinit();
for (int k = 0; k < custom_format_count; ++k)
{
if (!unregister_custom_data_format(0, (int)custom_formats[k].ud))
msg("---: %d - Could not unregister custom format: %s - %lld bytes - %d wide\n", (uint32)k, custom_formats[k].name, (uint64)custom_formats[k].value_size, (uint32)custom_formats[k].text_width);
else
msg("---: %d - Unregistered custom format: %s - %lld bytes - %d wide\n", (uint32)k, custom_formats[k].name, (uint64)custom_formats[k].value_size, (uint32)custom_formats[k].text_width);
custom_formats[k].ud = (void*)-1;
}
}
//--------------------------------------------------------------------------
char comment[] = "SPU3 debugger plugin by revel8n.";
char help[] =
"SPU3 debugger plugin by revel8n.\n"
"\n"
"This module lets you debug spu programs running in the anergistic emulator.\n";
//--------------------------------------------------------------------------
//
// PLUGIN DESCRIPTION BLOCK
//
//--------------------------------------------------------------------------
plugin_t PLUGIN =
{
IDP_INTERFACE_VERSION,
PLUGIN_DBG, // plugin flags
init, // initialize
term, // terminate. this pointer may be NULL.
run, // invoke plugin
comment, // long comment about the plugin
// it could appear in the status line
// or as a hint
help, // multiline help about the plugin
"SPU3 debugger plugin", // the preferred short name of the plugin
"" // the preferred hotkey to run the plugin
};
BOOL WINAPI DllMain( HANDLE hDllHandle, DWORD dwReason, LPVOID lpreserved )
{
if (dwReason == DLL_PROCESS_ATTACH)
{
}
else if (dwReason == DLL_PROCESS_DETACH)
{
gdb_deinit();
}
return TRUE; // ok
}