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hexrays_sample7.cpp
/*
* Hex-Rays Decompiler project
* Copyright (c) 2007-2022 by Hex-Rays, support@hex-rays.com
* ALL RIGHTS RESERVED.
*
* Sample plugin for the Hex-Rays Decompiler.
* It demonstrates how to use cblock_t::iterator
*
*/
#include <hexrays.hpp>
//--------------------------------------------------------------------------
struct plugin_ctx_t : public plugmod_t
{
bool inited = true;
plugin_ctx_t()
{
install_hexrays_callback(hr_callback, nullptr);
}
~plugin_ctx_t()
{
if ( inited )
{
remove_hexrays_callback(hr_callback, nullptr);
term_hexrays_plugin();
}
}
virtual bool idaapi run(size_t) override { return false; }
static ssize_t idaapi hr_callback(
void *ud,
hexrays_event_t event,
va_list va);
};
//--------------------------------------------------------------------------
// This callback handles various hexrays events.
ssize_t idaapi plugin_ctx_t::hr_callback(
void *,
hexrays_event_t event,
va_list va)
{
switch ( event )
{
case hxe_maturity:
{
cfunc_t *func = va_arg(va, cfunc_t *);
ctree_maturity_t mat = va_argi(va, ctree_maturity_t);
if ( mat == CMAT_BUILT )
{
struct ida_local cblock_visitor_t : public ctree_visitor_t
{
cblock_visitor_t(void) : ctree_visitor_t(CV_FAST) {}
int idaapi visit_insn(cinsn_t *ins) override
{
if ( ins->op == cit_block )
dump_block(ins->ea, ins->cblock);
return 0;
}
void dump_block(ea_t ea, cblock_t *b)
{
// iterate over all block instructions
msg("dumping block %a\n", ea);
for ( cblock_t::iterator p=b->begin(); p != b->end(); ++p )
{
cinsn_t &i = *p;
msg(" %a: insn %s\n", i.ea, get_ctype_name(i.op));
}
}
};
cblock_visitor_t cbv;
cbv.apply_to(&func->body, nullptr);
}
}
break;
default:
break;
}
return 0;
}
//--------------------------------------------------------------------------
// Initialize the plugin.
static plugmod_t *idaapi init()
{
if ( !init_hexrays_plugin() )
return nullptr; // no decompiler
const char *hxver = get_hexrays_version();
msg("Hex-rays version %s has been detected, %s ready to use\n",
hxver, PLUGIN.wanted_name);
return new plugin_ctx_t;
}
//--------------------------------------------------------------------------
static char comment[] = "Sample plugin7 for Hex-Rays decompiler";
//--------------------------------------------------------------------------
//
// PLUGIN DESCRIPTION BLOCK
//
//--------------------------------------------------------------------------
plugin_t PLUGIN =
{
IDP_INTERFACE_VERSION,
PLUGIN_HIDE // Plugin should not appear in the Edit, Plugins menu
| PLUGIN_MULTI, // The plugin can work with multiple idbs in parallel
init, // initialize
nullptr,
nullptr,
comment, // long comment about the plugin
nullptr, // multiline help about the plugin
"Hex-Rays block iterator", // the preferred short name of the plugin
nullptr, // the preferred hotkey to run the plugin
};