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dllmain.cpp
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dllmain.cpp
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#include <ida.hpp>
#include <idp.hpp>
#include <loader.hpp>
#include <kernwin.hpp>
#include <name.hpp>
#include "cvinfo.h"
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
unsigned long crc_table[256] = {
0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3,
0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91,
0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5,
0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b,
0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f,
0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d,
0x76dc4190, 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01,
0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457,
0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb,
0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9,
0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad,
0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683,
0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7,
0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5,
0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79,
0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f,
0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713,
0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21,
0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45,
0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db,
0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf,
0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d };
unsigned long CRC_MS(const unsigned char* data, unsigned long length, unsigned long crc)
{
while (length-- != 0)
crc = (crc >> 8) ^ crc_table[(crc & 0xFF) ^ *data++];
return crc;
}
enum FeatureEnum
{
SafeSEH = 0x1,
UsesClr = 0x2,
ClrSafe = 0x4,
SupportsWinRT = 0x8,
Report_Dev11 = 0x10,
C_CppModule = 0x80,
SecurityCheck = 0x100,
SDL = 0x200,
ControlFlowGuard = 0x400,
ControlFlowGuard2 = 0x800,
GuardEHandler = 0x1000,
MPXEnabled = 0x2000,
OneModuleEnablesGuardEHCont = 0x4000,
UseSPD = 0x8000,
Unknown3 = 0x10000,
RTTIReportingIgnoreDisabled = 0x20000,
CompileTargetsKernel = 0x40000000,
KernelAware = 0x80000000,
};
enum CompileType
{
COMPILE_ASM = 0x103,
COMPILE_C = 0x104,
COMPILE_CPP = 0x105,
COMPILE_C_CVTCIL = 0x106,
COMPILE_CPP_CVTCIL = 0x107,
COMPILE_C_LTCG = 0x108,
COMPILE_CPP_LTCG = 0x109,
COMPILE_MSIL = 0x10A,
COMPILE_C_PGOINSTRUMENT = 0x10B,
COMPILE_CPP_PGOINSTRUMENT = 0x10C,
COMPILE_C_PGOUSE = 0x10D,
COMPILE_CPP_PGOUSE = 0x10E,
};
struct Symbol;
struct SymbolTableEntry
{
IMAGE_SYMBOL symbol;
IMAGE_AUX_SYMBOL aux;
};
struct RelocationEntry
{
ea_t Rva;
Symbol* Symbol;
unsigned short Type;
RelocationEntry() : Rva(0), Symbol(0), Type(IMAGE_REL_I386_DIR32)
{
}
bool operator== (const RelocationEntry& src) = delete;
bool operator!= (const RelocationEntry& src) = delete;
};
struct Symbol
{
qstring Name;
ea_t Address;
ssize_t Size;
ea_t Offset;
bool IsExtern;
bool IsLocal;
bool IsData;
unsigned char* Data;
qvector<RelocationEntry> Relocations;
int SectionNumber;
int SectionSymbolNumber;
int EntrySymbolNumber;
Symbol() : Address(0), Size(0), Offset(0), IsExtern(false), IsLocal(false), IsData(false), Data(0), SectionNumber(0), SectionSymbolNumber(0), EntrySymbolNumber(0)
{
}
bool operator==(const Symbol& that) = delete;
bool operator!=(const Symbol& that) = delete;
};
#define UNLINK_NAME "Unlink"
#define UNLINK_FUNC_NAME "UnlinkFunc"
#define UNLINK_EXTERN_NAME "Unlink Extern"
#define UNLINK_EXPORT_NAME "Export Unlinked Modules"
ea_t func_start;
ea_t func_end;
void idaapi get_func_chunks(ea_t ea1, ea_t ea2, void* ud)
{
func_start = ea1;
func_end = ea2;
}
struct unlink_entry
{
ea_t ea;
unsigned int module_index;
bool is_extern;
bool is_local;
};
bool operator== (const unlink_entry& u1, const unlink_entry& u2)
{
return u1.ea == u2.ea && u1.module_index == u2.module_index;
}
qvector<qstring> modules;
qvector<unlink_entry> entries;
struct module_chooser_t : public chooser_t
{
protected:
static const int widths_[];
static const char* const header_[];
public:
// this chooser is embedded into the modal form
module_chooser_t();
virtual size_t idaapi get_count() const override { return modules.size(); }
virtual void idaapi get_row(
qstrvec_t* cols,
int* icon_,
chooser_item_attrs_t* attrs,
size_t n) const override;
};
const int module_chooser_t::widths_[] = { 40 };
const char* const module_chooser_t::header_[] = { "Module" };
inline module_chooser_t::module_chooser_t()
: chooser_t(CH_KEEP,
qnumber(widths_), widths_, header_)
{
CASSERT(qnumber(widths_) == qnumber(header_));
}
void idaapi module_chooser_t::get_row(
qstrvec_t* cols_,
int* icon_,
chooser_item_attrs_t*,
size_t n) const
{
qstrvec_t& cols = *cols_;
cols[0] = modules[n];
CASSERT(qnumber(header_) == 1);
*icon_ = 150;
}
struct entry_chooser_t : public chooser_t
{
protected:
static const int widths_[];
static const char* const header_[];
public:
// this chooser is embedded into the modal form
entry_chooser_t();
virtual size_t idaapi get_count() const override { return entries.size(); }
virtual void idaapi get_row(
qstrvec_t* cols,
int* icon_,
chooser_item_attrs_t* attrs,
size_t n) const override;
virtual cbret_t idaapi enter(size_t n) override
{
jumpto(entries[n].ea);
return cbret_t();
}
virtual cbret_t idaapi del(size_t n) override
{
entries.del(entries[n]);
return adjust_last_item(n);
}
};
const int entry_chooser_t::widths_[] = { 70, 20, 20, 20 };
const char* const entry_chooser_t::header_[] = { "Name", "Type", "Address", "Module" };
inline entry_chooser_t::entry_chooser_t()
: chooser_t(CH_KEEP | CH_CAN_DEL,
qnumber(widths_), widths_, header_, "Unlinker")
{
CASSERT(qnumber(widths_) == qnumber(header_));
}
void idaapi entry_chooser_t::get_row(
qstrvec_t* cols_,
int* icon_,
chooser_item_attrs_t* attrs,
size_t n) const
{
qstrvec_t& cols = *cols_;
int ea = entries[n].ea;
if (is_code(get_flags(ea)))
{
qstring func_name;
if (get_func_name(&func_name, ea) > 0 && !entries[n].is_local)
{
cols[0] = func_name;
size_t s = getinf(INF_SHORT_DEMNAMES);
qstring str;
if (demangle_name(&str, func_name.c_str(), s) > 0)
{
cols[0] = str;
}
if (entries[n].is_extern)
{
cols[1] = "Extern Function";
}
else
{
cols[1] = "Function";
}
cols[2].sprnt("%x", ea);
cols[3] = modules[entries[n].module_index];
func_t* func = get_func(ea);
if (func)
{
attrs->color = func->color;
}
}
else if (entries[n].is_local)
{
qstring data_name;
if (get_name(&data_name, ea) > 0)
{
cols[0] = data_name;
cols[1] = "Local Label";
cols[2].sprnt("%x", ea);
cols[3] = modules[entries[n].module_index];
}
}
}
else if (is_data(get_flags(ea)))
{
qstring data_name;
if (get_name(&data_name, ea) > 0)
{
cols[0] = data_name;
size_t s = getinf(INF_SHORT_DEMNAMES);
qstring str;
if (demangle_name(&str, data_name.c_str(), s) > 0)
{
cols[0] = str;
}
if (entries[n].is_extern)
{
cols[1] = "Extern Data";
}
else if (entries[n].is_local)
{
cols[1] = "Local Data";
}
else
{
cols[1] = "Data";
}
cols[2].sprnt("%x", ea);
cols[3] = modules[entries[n].module_index];
}
}
*icon_ = 35;
}
int button_callback(int button_code, form_actions_t& fa)
{
static const char form[] =
"STARTITEM 0\n"
"Add Module\n\n"
"<Module Name:q0:" QSTRINGIZE(QMAXPATH) ":30::>\n"
"\n";
qstring str;
if (ask_form(form, &str))
{
modules.add(str);
fa.refresh_field(0);
}
return 0;
}
int get_module()
{
static const char form[] =
"STARTITEM 0\n"
"Select Module\n\n"
"<Select Module:E0::30::>\n\n"
"<Add Module:B1:30:::>\n"
"\n";
module_chooser_t chooser;
sizevec_t sel;
if (ask_form(form, &chooser, &sel, &button_callback) && sel.size())
{
return sel[0];
}
return -1;
}
void add_entry(unlink_entry e)
{
auto entry = std::find_if(entries.begin(), entries.end(), [e](unlink_entry e2) {return e.ea == e2.ea && e.module_index == e2.module_index; });
if (entry == entries.end())
{
entries.push_back(e);
refresh_chooser("Unlinker");
}
else if (e.is_extern == false && entry->is_extern == true)
{
entries.erase(entry);
entries.push_back(e);
refresh_chooser("Unlinker");
}
}
struct ahandler_unlink_t : public action_handler_t
{
virtual int idaapi activate(action_activation_ctx_t*) override
{
ea_t ea = get_screen_ea();
if (is_code(get_flags(ea)))
{
qstring func_name;
if (get_func_name(&func_name, ea) > 0)
{
iterate_func_chunks(get_func(ea), get_func_chunks, nullptr);
int i = get_module();
if (i != -1)
{
unlink_entry e;
e.ea = func_start;
e.is_extern = false;
e.is_local = false;
e.module_index = i;
int func_size = func_end - func_start;
add_entry(e);
insn_t insn;
int insn_size;
for (ea_t k = func_start; k < func_start + func_size; k += insn_size)
{
flags_t _flags = get_flags(k);
if (is_code(_flags) || is_align(_flags))
{
insn_size = decode_insn(&insn, k);
for (int index = 0; index < 2; index++)
{
switch (insn.ops[index].type)
{
case o_mem:
case o_displ:
if (!is_numop(_flags, index))
{
if (is_code(get_flags(insn.ops[index].addr)))
{
qstring func_name2;
if (get_func_name(&func_name2, insn.ops[index].addr) > 0)
{
unlink_entry e2;
e2.ea = insn.ops[index].addr;
e2.is_extern = (insn.ops[index].addr < func_start || insn.ops[index].addr > func_start + func_size);
e2.is_local = (insn.ops[index].addr > func_start && insn.ops[index].addr < func_start + func_size);
e2.module_index = i;
add_entry(e2);
}
}
else if (is_data(get_flags(insn.ops[index].addr)))
{
qstring data_name2;
if (get_name(&data_name2, insn.ops[index].addr) > 0)
{
ea_t data_start = get_item_head(insn.ops[index].addr);
unlink_entry e2;
e2.ea = data_start;
e2.is_extern = (insn.ops[index].addr < func_start || insn.ops[index].addr > func_start + func_size);
e2.is_local = (insn.ops[index].addr > func_start && insn.ops[index].addr < func_start + func_size);
e2.module_index = i;
add_entry(e2);
}
}
}
break;
case o_imm:
if (!is_numop(_flags, index))
{
if (is_code(get_flags(insn.ops[index].value)))
{
qstring func_name2;
if (get_func_name(&func_name2, insn.ops[index].value) > 0)
{
unlink_entry e2;
e2.ea = insn.ops[index].value;
e2.is_extern = (insn.ops[index].addr < func_start || insn.ops[index].addr > func_start + func_size);
e2.is_local = (insn.ops[index].addr > func_start && insn.ops[index].addr < func_start + func_size);
e2.module_index = i;
add_entry(e2);
}
}
else if (is_data(get_flags(insn.ops[index].value)))
{
qstring data_name2;
if (get_name(&data_name2, insn.ops[index].value) > 0)
{
ea_t data_start = get_item_head(insn.ops[index].value);
unlink_entry e2;
e2.ea = data_start;
e2.is_extern = (insn.ops[index].addr < func_start || insn.ops[index].addr > func_start + func_size);
e2.is_local = (insn.ops[index].addr > func_start && insn.ops[index].addr < func_start + func_size);
e2.module_index = i;
add_entry(e2);
}
}
}
break;
case o_near:
if (insn.ops[index].dtype == dt_dword && (insn.ops[index].addr < func_start || insn.ops[index].addr > func_start + func_size))
{
if (is_code(get_flags(insn.ops[index].addr)))
{
qstring func_name2;
if (get_func_name(&func_name2, insn.ops[index].addr) > 0)
{
unlink_entry e2;
e2.ea = insn.ops[index].addr;
e2.is_extern = true;
e2.is_local = false;
e2.module_index = i;
add_entry(e2);
}
}
else if (is_data(get_flags(insn.ops[index].addr)))
{
qstring data_name2;
if (get_name(&data_name2, insn.ops[index].addr) > 0)
{
ea_t data_start = get_item_head(insn.ops[index].addr);
unlink_entry e2;
e2.ea = data_start;
e2.is_extern = true;
e2.is_local = false;
e2.module_index = i;
add_entry(e2);
}
}
}
break;
}
}
}
else
{
uint32 address = get_dword(k);
if ((address > func_start && address < func_start + func_size))
{
unlink_entry e2;
e2.ea = address;
e2.is_extern = false;
e2.is_local = true;
e2.module_index = i;
add_entry(e2);
}
insn_size = 4;
}
}
}
}
}
else if (is_data(get_flags(ea)))
{
qstring data_name;
if (get_name(&data_name, ea) > 0)
{
ea_t data_start = get_item_head(ea);
int i = get_module();
if (i != -1)
{
unlink_entry e;
e.ea = data_start;
e.is_extern = false;
e.is_local = false;
e.module_index = i;
add_entry(e);
}
}
}
return true;
}
virtual action_state_t idaapi update(action_update_ctx_t*) override
{
return AST_ENABLE_ALWAYS;
}
};
static ahandler_unlink_t ahandler_unlink;
struct ahandler_unlink_func_t : public action_handler_t
{
virtual int idaapi activate(action_activation_ctx_t* ctx) override
{
int i = get_module();
if (i != -1)
{
for (size_t x = 0, n = ctx->chooser_selection.size(); x < n; ++x)
{
func_t* func = getn_func(ctx->chooser_selection[x]);
ea_t ea = func->start_ea;
qstring func_name;
if (get_func_name(&func_name, ea) > 0)
{
iterate_func_chunks(get_func(ea), get_func_chunks, nullptr);
unlink_entry e;
e.ea = func_start;
e.is_extern = false;
e.is_local = false;
e.module_index = i;
int func_size = func_end - func_start;
add_entry(e);
insn_t insn;
int insn_size;
for (ea_t k = func_start; k < func_start + func_size; k += insn_size)
{
flags_t _flags = get_flags(k);
if (is_code(_flags) || is_align(_flags))
{
insn_size = decode_insn(&insn, k);
for (int index = 0; index < 2; index++)
{
switch (insn.ops[index].type)
{
case o_mem:
case o_displ:
if (!is_numop(_flags, index))
{
if (is_code(get_flags(insn.ops[index].addr)))
{
qstring func_name2;
if (get_func_name(&func_name2, insn.ops[index].addr) > 0)
{
unlink_entry e2;
e2.ea = insn.ops[index].addr;
e2.is_extern = (insn.ops[index].addr < func_start || insn.ops[index].addr > func_start + func_size);
e2.is_local = (insn.ops[index].addr > func_start && insn.ops[index].addr < func_start + func_size);
e2.module_index = i;
add_entry(e2);
}
}
else if (is_data(get_flags(insn.ops[index].addr)))
{
qstring data_name2;
if (get_name(&data_name2, insn.ops[index].addr) > 0)
{
ea_t data_start = get_item_head(insn.ops[index].addr);
unlink_entry e2;
e2.ea = data_start;
e2.is_extern = (insn.ops[index].addr < func_start || insn.ops[index].addr > func_start + func_size);
e2.is_local = (insn.ops[index].addr > func_start && insn.ops[index].addr < func_start + func_size);
e2.module_index = i;
add_entry(e2);
}
}
}
break;
case o_imm:
if (!is_numop(_flags, index))
{
if (is_code(get_flags(insn.ops[index].value)))
{
qstring func_name2;
if (get_func_name(&func_name2, insn.ops[index].value) > 0)
{
unlink_entry e2;
e2.ea = insn.ops[index].value;
e2.is_extern = (insn.ops[index].addr < func_start || insn.ops[index].addr > func_start + func_size);
e2.is_local = (insn.ops[index].addr > func_start && insn.ops[index].addr < func_start + func_size);
e2.module_index = i;
add_entry(e2);
}
}
else if (is_data(get_flags(insn.ops[index].value)))
{
qstring data_name2;
if (get_name(&data_name2, insn.ops[index].value) > 0)
{
ea_t data_start = get_item_head(insn.ops[index].value);
unlink_entry e2;
e2.ea = data_start;
e2.is_extern = (insn.ops[index].addr < func_start || insn.ops[index].addr > func_start + func_size);
e2.is_local = (insn.ops[index].addr > func_start && insn.ops[index].addr < func_start + func_size);
e2.module_index = i;
add_entry(e2);
}
}
}
break;
case o_near:
if (insn.ops[index].dtype == dt_dword && (insn.ops[index].addr < func_start || insn.ops[index].addr > func_start + func_size))
{
if (is_code(get_flags(insn.ops[index].addr)))
{
qstring func_name2;
if (get_func_name(&func_name2, insn.ops[index].addr) > 0)
{
unlink_entry e2;
e2.ea = insn.ops[index].addr;
e2.is_extern = true;
e2.is_local = false;
e2.module_index = i;
add_entry(e2);
}
}
else if (is_data(get_flags(insn.ops[index].addr)))
{
qstring data_name2;
if (get_name(&data_name2, insn.ops[index].addr) > 0)
{
ea_t data_start = get_item_head(insn.ops[index].addr);
unlink_entry e2;
e2.ea = data_start;
e2.is_extern = true;
e2.is_local = false;
e2.module_index = i;
add_entry(e2);
}
}
}
break;
}
}
}
else
{
uint32 address = get_dword(k);
if ((address > func_start && address < func_start + func_size))
{
unlink_entry e2;
e2.ea = address;
e2.is_extern = false;
e2.is_local = true;
e2.module_index = i;
add_entry(e2);
}
insn_size = 4;
}
}
}
}
}
return true;
}
virtual action_state_t idaapi update(action_update_ctx_t*) override
{
return AST_ENABLE_ALWAYS;
}
};
static ahandler_unlink_func_t ahandler_unlink_func;
struct ahandler_unlink_extern_t : public action_handler_t
{
virtual int idaapi activate(action_activation_ctx_t*) override
{
ea_t ea = get_screen_ea();
if (is_code(get_flags(ea)))
{
qstring func_name;
if (get_func_name(&func_name, ea) > 0)
{
iterate_func_chunks(get_func(ea), get_func_chunks, nullptr);
int i = get_module();
if (i != -1)
{
unlink_entry e;
e.ea = func_start;
e.is_extern = true;
e.is_local = false;
e.module_index = i;
add_entry(e);
}
}
}
else if (is_data(get_flags(ea)))
{
qstring data_name;
if (get_name(&data_name, ea) > 0)
{
ea_t data_start = get_item_head(ea);
int i = get_module();
if (i != -1)
{
unlink_entry e;
e.ea = data_start;
e.is_extern = true;
e.is_local = false;
e.module_index = i;
add_entry(e);
}
}
}
return true;
}
virtual action_state_t idaapi update(action_update_ctx_t*) override
{
return AST_ENABLE_ALWAYS;
}
};
static ahandler_unlink_extern_t ahandler_unlink_extern;
qvector<Symbol> CodeSymbols;
qvector<Symbol> RDataSymbols;
qvector<Symbol> DataSymbols;
qvector<Symbol> IDataSymbols;
qvector<Symbol> BSSSymbols;
bool IsSymbol(ea_t address)
{
for (size_t i = 0; i < CodeSymbols.size(); i++)
{
if (address >= CodeSymbols[CodeSymbols.size() - i - 1].Address && address < CodeSymbols[CodeSymbols.size() - i - 1].Address + CodeSymbols[CodeSymbols.size() - i - 1].Size)
{
return true;
}
}
for (size_t i = 0; i < RDataSymbols.size(); i++)
{
if (address >= RDataSymbols[i].Address && address < RDataSymbols[i].Address + RDataSymbols[i].Size)
{
return true;
}
}
for (size_t i = 0; i < DataSymbols.size(); i++)
{
if (address >= DataSymbols[i].Address && address < DataSymbols[i].Address + DataSymbols[i].Size)
{
return true;
}
}
for (size_t i = 0; i < IDataSymbols.size(); i++)
{
if (address >= IDataSymbols[i].Address && address < IDataSymbols[i].Address + IDataSymbols[i].Size)
{
return true;
}
}
for (size_t i = 0; i < BSSSymbols.size(); i++)
{
if (address >= BSSSymbols[i].Address && address < BSSSymbols[i].Address + BSSSymbols[i].Size)
{
return true;
}
}
return false;
}
Symbol& FindSymbol(ea_t address, bool local = true)
{
for (size_t i = 0; i < CodeSymbols.size(); i++)
{
if (address >= CodeSymbols[CodeSymbols.size() - i - 1].Address && address < CodeSymbols[CodeSymbols.size() - i - 1].Address + CodeSymbols[CodeSymbols.size() - i - 1].Size)
{
if (local || !CodeSymbols[CodeSymbols.size() - i - 1].IsLocal)
{
return CodeSymbols[CodeSymbols.size() - i - 1];
}
}
}
for (size_t i = 0; i < RDataSymbols.size(); i++)
{
if (address >= RDataSymbols[i].Address && address < RDataSymbols[i].Address + RDataSymbols[i].Size)
{
return RDataSymbols[i];
}
}
for (size_t i = 0; i < DataSymbols.size(); i++)
{
if (address >= DataSymbols[i].Address && address < DataSymbols[i].Address + DataSymbols[i].Size)
{
return DataSymbols[i];
}
}
for (size_t i = 0; i < IDataSymbols.size(); i++)
{
if (address >= IDataSymbols[i].Address && address < IDataSymbols[i].Address + IDataSymbols[i].Size)
{
return IDataSymbols[i];
}
}
for (size_t i = 0; i < BSSSymbols.size(); i++)
{
if (address >= BSSSymbols[i].Address && address < BSSSymbols[i].Address + BSSSymbols[i].Size)
{
return BSSSymbols[i];
}
}
__assume(false);
}
void export_unlinked_module(qstring name, qvector<unlink_entry>& vector)
{
CodeSymbols.clear();
RDataSymbols.clear();
DataSymbols.clear();
IDataSymbols.clear();
BSSSymbols.clear();
qstring str = name;
str += ".obj";
char* path = ask_file(true, str.c_str(), "*.obj");
if (path)
{
for (size_t i = 0; i < vector.size(); i++)
{
Symbol s;
qstring segment;
ea_t ea = vector[i].ea;
get_segm_name(&segment, getseg(ea));
if (segment == ".text" || segment == "BEGTEXT")
{
qstring func_name;
if (get_func_name(&func_name, ea) > 0 && !vector[i].is_local)
{
iterate_func_chunks(get_func(ea), get_func_chunks, nullptr);
s.Name = func_name;
s.Address = ea;
s.Size = func_end - func_start;
s.Offset = 0;
s.IsExtern = vector[i].is_extern;
s.IsLocal = false;
s.IsData = false;
if (!s.IsExtern)
{
s.Data = new unsigned char[s.Size];
get_bytes(s.Data, s.Size, s.Address);
}
else
{
s.Data = nullptr;
}
CodeSymbols.push_back(s);
}
else
{
qstring data_name;
if (get_name(&data_name, ea) > 0)
{
s.Name = data_name;
s.Address = ea;
s.Offset = 0;
s.Size = get_item_size(ea);
s.IsExtern = vector[i].is_extern;
s.IsLocal = vector[i].is_local;
s.IsData = true;
if (!s.IsExtern && !s.IsLocal)
{
s.Data = new unsigned char[s.Size];
get_bytes(s.Data, s.Size, s.Address);
}
else
{
s.Data = nullptr;
}
CodeSymbols.push_back(s);
}
}
}
else if (segment == ".rdata")
{
qstring data_name;
if (get_name(&data_name, ea) > 0)
{
s.Name = data_name;
s.Address = ea;
s.Size = get_item_size(ea);
s.Offset = 0;
s.IsExtern = vector[i].is_extern;
s.IsLocal = false;
s.IsData = true;
if (!s.IsExtern)
{
s.Data = new unsigned char[s.Size];
get_bytes(s.Data, s.Size, s.Address);
}
else
{
s.Data = nullptr;
}
RDataSymbols.push_back(s);
}
}
else if (segment == ".data" || segment == "DGROUP")
{
qstring data_name;
if (get_name(&data_name, ea) > 0)
{
s.Name = data_name;
s.Address = ea;
s.Size = get_item_size(ea);
s.Offset = 0;
s.IsExtern = vector[i].is_extern;
s.IsLocal = false;
s.IsData = true;
if (!s.IsExtern)
{
if (is_loaded(s.Address))
{
s.Data = new unsigned char[s.Size];
get_bytes(s.Data, s.Size, s.Address);
DataSymbols.push_back(s);
}
else
{
s.Data = nullptr;
BSSSymbols.push_back(s);
}
}
else
{
s.Data = nullptr;
DataSymbols.push_back(s);
}
}
}
else if (segment == ".idata")
{
qstring data_name;
if (get_name(&data_name, ea) > 0)
{
s.Name = data_name;
s.Address = ea;
s.Size = get_item_size(ea);
s.Offset = 0;
s.IsExtern = true;
s.IsLocal = false;
s.IsData = true;
s.Data = nullptr;
IDataSymbols.push_back(s);
}
}
else if (segment == ".bss")
{
qstring data_name;
if (get_name(&data_name, ea) > 0)
{
s.Name = data_name;
s.Address = ea;
s.Size = get_item_size(ea);
s.Offset = 0;
s.IsExtern = vector[i].is_extern;