Files
sigmaker-ida/idasdk76/dbg/win32/win32_local_impl.cpp
2021-10-31 21:20:46 +02:00

209 lines
7.6 KiB
C++

#ifndef __NT__
#define EXCEPTION_ACCESS_VIOLATION STATUS_ACCESS_VIOLATION
#define EXCEPTION_DATATYPE_MISALIGNMENT STATUS_DATATYPE_MISALIGNMENT
#define EXCEPTION_BREAKPOINT STATUS_BREAKPOINT
#define EXCEPTION_SINGLE_STEP STATUS_SINGLE_STEP
#define EXCEPTION_ARRAY_BOUNDS_EXCEEDED STATUS_ARRAY_BOUNDS_EXCEEDED
#define EXCEPTION_FLT_DENORMAL_OPERAND STATUS_FLOAT_DENORMAL_OPERAND
#define EXCEPTION_FLT_DIVIDE_BY_ZERO STATUS_FLOAT_DIVIDE_BY_ZERO
#define EXCEPTION_FLT_INEXACT_RESULT STATUS_FLOAT_INEXACT_RESULT
#define EXCEPTION_FLT_INVALID_OPERATION STATUS_FLOAT_INVALID_OPERATION
#define EXCEPTION_FLT_OVERFLOW STATUS_FLOAT_OVERFLOW
#define EXCEPTION_FLT_STACK_CHECK STATUS_FLOAT_STACK_CHECK
#define EXCEPTION_FLT_UNDERFLOW STATUS_FLOAT_UNDERFLOW
#define EXCEPTION_INT_DIVIDE_BY_ZERO STATUS_INTEGER_DIVIDE_BY_ZERO
#define EXCEPTION_INT_OVERFLOW STATUS_INTEGER_OVERFLOW
#define EXCEPTION_PRIV_INSTRUCTION STATUS_PRIVILEGED_INSTRUCTION
#define EXCEPTION_IN_PAGE_ERROR STATUS_IN_PAGE_ERROR
#define EXCEPTION_ILLEGAL_INSTRUCTION STATUS_ILLEGAL_INSTRUCTION
#define EXCEPTION_NONCONTINUABLE_EXCEPTION STATUS_NONCONTINUABLE_EXCEPTION
#define EXCEPTION_STACK_OVERFLOW STATUS_STACK_OVERFLOW
#define EXCEPTION_INVALID_DISPOSITION STATUS_INVALID_DISPOSITION
#define EXCEPTION_GUARD_PAGE STATUS_GUARD_PAGE_VIOLATION
#define EXCEPTION_INVALID_HANDLE STATUS_INVALID_HANDLE
#define CONTROL_C_EXIT STATUS_CONTROL_C_EXIT
#define DBG_CONTROL_C 0x40010005L
#define DBG_CONTROL_BREAK 0x40010008L
#define STATUS_GUARD_PAGE_VIOLATION 0x80000001L
#define STATUS_DATATYPE_MISALIGNMENT 0x80000002L
#define STATUS_BREAKPOINT 0x80000003L
#define STATUS_SINGLE_STEP 0x80000004L
#define STATUS_ACCESS_VIOLATION 0xC0000005L
#define STATUS_IN_PAGE_ERROR 0xC0000006L
#define STATUS_INVALID_HANDLE 0xC0000008L
#define STATUS_NO_MEMORY 0xC0000017L
#define STATUS_ILLEGAL_INSTRUCTION 0xC000001DL
#define STATUS_NONCONTINUABLE_EXCEPTION 0xC0000025L
#define STATUS_INVALID_DISPOSITION 0xC0000026L
#define STATUS_ARRAY_BOUNDS_EXCEEDED 0xC000008CL
#define STATUS_FLOAT_DENORMAL_OPERAND 0xC000008DL
#define STATUS_FLOAT_DIVIDE_BY_ZERO 0xC000008EL
#define STATUS_FLOAT_INEXACT_RESULT 0xC000008FL
#define STATUS_FLOAT_INVALID_OPERATION 0xC0000090L
#define STATUS_FLOAT_OVERFLOW 0xC0000091L
#define STATUS_FLOAT_STACK_CHECK 0xC0000092L
#define STATUS_FLOAT_UNDERFLOW 0xC0000093L
#define STATUS_INTEGER_DIVIDE_BY_ZERO 0xC0000094L
#define STATUS_INTEGER_OVERFLOW 0xC0000095L
#define STATUS_PRIVILEGED_INSTRUCTION 0xC0000096L
#define STATUS_STACK_OVERFLOW 0xC00000FDL
#define STATUS_CONTROL_C_EXIT 0xC000013AL
#define STATUS_FLOAT_MULTIPLE_FAULTS 0xC00002B4L
#define STATUS_FLOAT_MULTIPLE_TRAPS 0xC00002B5L
#define STATUS_REG_NAT_CONSUMPTION 0xC00002C9L
#define SUCCEEDED(x) (x >= 0)
#define FAILED(x) (x < 0)
#endif
#include <expr.hpp>
#include <loader.hpp>
#include "../ldr/pe/pe.h"
#include "../plugins/pdb/pdb.hpp"
#include "win32_rpc.h"
#include "dbg_rpc_hlp.h"
//--------------------------------------------------------------------------
static const char idc_win32_rdmsr_args[] = { VT_LONG, 0 };
static error_t idaapi idc_win32_rdmsr(idc_value_t *argv, idc_value_t *res)
{
uint64 value = 0; // shut up the compiler
uval_t reg = argv[0].num;
#ifdef RPC_CLIENT
void *out = NULL;
ssize_t outsize;
int code = g_dbgmod.send_ioctl(WIN32_IOCTL_RDMSR, &reg, sizeof(reg), &out, &outsize);
if ( SUCCEEDED(code) && outsize == sizeof(value) )
value = *(uint64*)out;
qfree(out);
#else
int code = g_dbgmod.rdmsr(reg, &value);
#endif
if ( FAILED(code) )
{
res->num = code;
return set_qerrno(eExecThrow); // read error, raise exception
}
res->set_int64(value);
return eOk;
}
//--------------------------------------------------------------------------
static const char idc_win32_wrmsr_args[] = { VT_LONG, VT_INT64, 0 };
static error_t idaapi idc_win32_wrmsr(idc_value_t *argv, idc_value_t *res)
{
win32_wrmsr_t msr;
msr.reg = argv[0].num;
msr.value = argv[1].i64;
#ifdef RPC_CLIENT
res->num = g_dbgmod.send_ioctl(WIN32_IOCTL_WRMSR, &msr, sizeof(msr), NULL, NULL);
#else
res->num = g_dbgmod.wrmsr(msr.reg, msr.value);
#endif
return eOk;
}
//--------------------------------------------------------------------------
// Installs or uninstalls debugger specific idc functions
static bool register_idc_funcs(bool reg)
{
static const ext_idcfunc_t idcfuncs[] =
{
{ IDC_READ_MSR, idc_win32_rdmsr, idc_win32_rdmsr_args, NULL, 0, 0 },
{ IDC_WRITE_MSR, idc_win32_wrmsr, idc_win32_wrmsr_args, NULL, 0, 0 },
};
return add_idc_funcs(idcfuncs, qnumber(idcfuncs), reg);
}
//--------------------------------------------------------------------------
void idaapi rebase_if_required_to(ea_t new_base)
{
netnode penode(PE_NODE);
ea_t currentbase = new_base;
ea_t imagebase = ea_t(penode.altval(PE_ALT_IMAGEBASE)); // loading address (usually pe.imagebase)
if ( imagebase == 0 )
{
if ( !is_miniidb() )
warning("AUTOHIDE DATABASE\n"
"IDA could not automatically determine if the program should be\n"
"rebased in the database because the database format is too old and\n"
"doesn't contain enough information.\n"
"Create a new database if you want automated rebasing to work properly.\n"
"Note you can always manually rebase the program by using the\n"
"Edit, Segments, Rebase program command.");
}
else if ( imagebase != currentbase )
{
rebase_or_warn(imagebase, currentbase);
}
}
//--------------------------------------------------------------------------
bool read_pe_header(peheader_t *pe)
{
netnode penode(PE_NODE);
return penode.valobj(pe, sizeof(peheader_t)) > 0;
}
//--------------------------------------------------------------------------
// Initialize Win32 debugger plugin
static bool win32_init_plugin(void)
{
// Remote debugger? Then nothing to initialize locally
#ifndef RPC_CLIENT
if ( !init_subsystem() )
return false;
#endif
if ( !netnode::inited() || is_miniidb() || inf_is_snapshot() )
{
#ifndef __NT__
// local debugger is available if we are running under Windows
// for other systems only the remote debugger is available
if ( !debugger.is_remote() )
return false;
#endif
}
else
{
if ( inf_get_filetype() != f_PE )
return false; // only PE files
processor_t &ph = PH;
if ( ph.id != TARGET_PROCESSOR && ph.id != -1 )
return false;
// find out the pe header
peheader_t pe;
if ( !read_pe_header(&pe) )
return false;
// debug only gui, console, or unknown applications
if ( pe.subsys != PES_WINGUI // Windows GUI
&& pe.subsys != PES_WINCHAR // Windows Character
&& pe.subsys != PES_UNKNOWN ) // Unknown
{
return false;
}
}
return true;
}
//--------------------------------------------------------------------------
inline void win32_term_plugin(void)
{
#ifndef RPC_CLIENT
term_subsystem();
#endif
}
//----------------------------------------------------------------------------
struct pdb_remote_session_t;
void close_pdb_remote_session(pdb_remote_session_t *)
{
}
#ifndef HAVE_PLUGIN_COMMENTS
//--------------------------------------------------------------------------
static const char comment[] = "Userland win32 debugger plugin";
#endif