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sip.cpp
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#include "sip.hpp"
#include "tilbuild.hpp"
#include <dbg.hpp>
struct pdb_modinfo_t;
static source_item_t *new_pdb_symbol(
pdb_modinfo_t *pdb_module,
DWORD sym_id);
static source_item_t *new_pdb_symbol_or_delete(
pdb_modinfo_t *pdb_module,
pdb_sym_t *sym);
typedef qvector<source_item_ptr> source_items_vec_t;
//-------------------------------------------------------------------------
// will steal data from all 'child' instances passed to 'visit_child()',
// and create new pdb_sym_t objects (wrapped in source_item_t's) with
// that data.
struct source_items_vec_builder_t : public pdb_access_t::children_visitor_t
{
source_items_vec_t items;
pdb_modinfo_t *pdb_module;
source_items_vec_builder_t(pdb_modinfo_t *_mod) : pdb_module(_mod) {}
virtual HRESULT visit_child(pdb_sym_t &child) override;
};
//--------------------------------------------------------------------------
// Implementation of source information provider using PDB information
// and the DIA SDK
//--------------------------------------------------------------------------
// Information about a PDB module. Contains a type cache, that'll
// last the same time as the debugging session.
struct pdb_modinfo_t
{
pdb_ctx_t &pv;
pdb_modinfo_t()
: pv(*GET_MODULE_DATA(pdb_ctx_t)),
base(BADADDR),
size(0),
opened(false),
pdb_access(nullptr),
type_cache(nullptr),
use_pdbida(false)
{}
~pdb_modinfo_t()
{
delete type_cache;
#ifdef __NT__
// on windows with MSDIA provider, 'session_ref' owns the pdb_access
if ( use_pdbida )
#endif
{
delete pdb_access;
}
}
pdb_access_t *get_access() { return pdb_access; }
HRESULT open(const char *input_file, const char *user_spath, ea_t load_address);
source_item_t *find_static_item_in_module(const char *iname);
typedef std::map<qstring,DWORD> module_globals_t;
module_globals_t module_globals;
qstring path;
ea_t base;
asize_t size;
bool opened;
pdb_access_t *pdb_access;
#ifndef ENABLE_REMOTEPDB
pdb_session_ref_t session_ref;
#endif
til_builder_t *type_cache;
bool use_pdbida;
};
typedef std::map<ea_t, pdb_modinfo_t> pdb_modules_t;
//-------------------------------------------------------------------------
HRESULT pdb_modinfo_t::open(
const char *input_file,
const char *user_spath,
ea_t load_address)
{
QASSERT(30212, type_cache == nullptr);
pdbargs_t args;
args.input_path = input_file;
args.spath = user_spath;
args.loaded_base = load_address;
HRESULT hr = E_FAIL;
{
msg("PDB: using MSDIA provider\n");
#ifdef ENABLE_REMOTEPDB
if ( is_win32_remote_debugger_loaded() )
{
args.flags |= PDBFLG_DBG_MODULE;
remote_pdb_access_t *rpdb_access = new remote_pdb_access_t(
args,
"TESTER-SQUISH",
23946,
"");
hr = rpdb_access->open_connection();
if ( hr == S_OK )
pdb_access = rpdb_access;
else
delete rpdb_access;
}
#else // ENABLE_REMOTEPDB
hr = session_ref.open_session(args);
if ( hr == S_OK )
pdb_access = session_ref.session->pdb_access;
#endif // ENABLE_REMOTEPDB
}
if ( hr == S_OK )
{
type_cache = new til_builder_t(pv, CONST_CAST(til_t *)(get_idati()), nullptr);
type_cache->set_pdb_access(pdb_access);
}
return hr;
}
//-------------------------------------------------------------------------
source_item_t *pdb_modinfo_t::find_static_item_in_module(
const char *iname)
{
if ( !opened )
return nullptr;
DWORD id = 0;
module_globals_t::iterator p = module_globals.find(iname);
if ( p != module_globals.end() )
{
id = p->second;
}
else
{
struct ida_local iter_t : public pdb_access_t::children_visitor_t
{
pdb_modinfo_t *pdb_module;
const char *name;
DWORD id;
iter_t(
pdb_modinfo_t *_pdb_module,
const char *_name)
: pdb_module(_pdb_module), name(_name), id(0) {}
virtual HRESULT visit_child(pdb_sym_t &data) override
{
qstring cname;
if ( data.get_name(&cname) == S_OK && cname == name )
data.get_symIndexId(&id);
return id == 0 ? S_OK : E_FAIL; // 'id' still 0? keep iterating
}
};
iter_t iter(this, iname);
pdb_sym_t *global = get_access()->create_sym(get_access()->get_global_symbol_id());
pdb_sym_janitor_t janitor_global(global);
get_access()->iterate_children(*global, SymTagData, iter);
id = iter.id;
module_globals[iname] = id; // populate
}
return id != 0 ? new_pdb_symbol(this, id) : nullptr;
}
//-------------------------------------------------------------------------
//
//-------------------------------------------------------------------------
bool pdb_ctx_t::get_pdb_register_info(int *p_reg, uint64 *p_mask, int machine, int reg)
{
qstring name;
print_pdb_register(&name, machine, reg);
reg_info_t ri;
if ( !parse_reg_name(&ri, name.c_str()) )
return false;
*p_reg = ri.reg;
*p_mask = left_shift(uint64(1), 8*ri.size) - 1;
return true;
}
//--------------------------------------------------------------------------
struct pdb_source_file_t : public source_file_t
{
pdb_modinfo_t *pdb_module;
DWORD file_id;
qstring my_path;
pdb_source_file_t(pdb_modinfo_t *_mod, DWORD _fid)
: pdb_module(_mod), file_id(_fid) {}
srcinfo_provider_t *idaapi get_provider(void) const override;
virtual ~pdb_source_file_t(void) {}
virtual void idaapi release() override { delete this; }
const char *idaapi get_path(qstring *errbuf) override
{
if ( my_path.empty() )
{
pdb_module->get_access()->sip_retrieve_file_path(
&my_path,
errbuf,
file_id);
}
return my_path.c_str();
}
bool idaapi read_file(strvec_t *buf, qstring *errbuf) override
{
buf->clear();
const char *path = get_path(errbuf);
// Always favor file mapping first.
qstring mapbuf = path;
callui(ui_dbg_map_source_path, &mapbuf);
path = mapbuf.c_str();
if ( !qfileexist(path) )
{
if ( errbuf != nullptr )
errbuf->sprnt("source file not found: %s", path);
return false;
}
FILE *fp = fopenRT(path);
if ( fp == nullptr )
{
if ( errbuf != nullptr )
*errbuf = get_errdesc(path);
return false;
}
int tabsize = get_tab_size(path);
qstring line;
while ( qgetline(&line, fp) >= 0 )
{
simpleline_t &sl = buf->push_back();
sl.line.clear();
replace_tabs(&sl.line, line.c_str(), tabsize);
}
qfclose(fp);
return true;
}
TWidget *open_srcview(strvec_t ** /*strvec*/, TWidget ** /*pview*/, int, int) override
{
return nullptr;
}
};
//--------------------------------------------------------------------------
struct pdb_file_iterator : public _source_file_iterator
{
struct entry_t
{
pdb_modinfo_t *pdb_module;
DWORD file_id;
};
qvector<entry_t> entries;
int idx;
pdb_file_iterator() : idx(-1) {}
virtual ~pdb_file_iterator(void) {}
virtual void idaapi release(void) override { delete this; }
bool idaapi first(void) override
{
idx = -1;
return next();
}
bool idaapi next(void) override
{
++idx;
return idx < entries.size();
}
source_file_ptr idaapi operator *() override
{
const entry_t &e = entries[idx];
return source_file_ptr(
new pdb_source_file_t(e.pdb_module, e.file_id));
}
};
//--------------------------------------------------------------------------
// Dummy source item: provides no information.
struct dummy_item_t : public source_item_t
{
pdb_modinfo_t *pdb_module;
dummy_item_t(pdb_modinfo_t *_pdb_module) : pdb_module(_pdb_module) {}
virtual ~dummy_item_t(void) { pdb_module = nullptr; }
void idaapi release(void) override { delete this; }
source_file_iterator idaapi get_source_files(void) override { return source_file_iterator(nullptr); }
int idaapi get_lnnum() const override { return -1; }
int idaapi get_end_lnnum() const override { return -1; }
int idaapi get_colnum() const override { return -1; }
int idaapi get_end_colnum() const override { return -1; }
ea_t idaapi get_ea() const override { return BADADDR; }
asize_t idaapi get_size() const override { return 0; }
bool idaapi get_item_bounds(rangeset_t *set) const override
{
ea_t ea = get_ea();
if ( ea == BADADDR )
return false;
asize_t size = get_size();
set->add(range_t(ea, ea+size));
return true;
}
source_item_ptr idaapi get_parent(src_item_kind_t) const override { return source_item_ptr(nullptr); }
source_item_iterator idaapi create_children_iterator() override { return source_item_iterator(nullptr); }
bool idaapi get_hint(qstring *hint, const eval_ctx_t *, int *nlines) const override
{
// TODO: remove these test lines
*hint = "test";
*nlines = 1;
return true;
}
bool idaapi evaluate(const eval_ctx_t *, idc_value_t *, qstring *) const override { return false; }
// bool idaapi get_stkvar_info(char *, size_t, uval_t *, ea_t) const { return false; }
// bool idaapi get_regvar_info(char *, size_t) const { return false; }
// bool idaapi get_rrlvar_info(char *, size_t, uval_t *) const { return false; }
bool idaapi get_expr_tinfo(tinfo_t *) const override { return false; }
virtual bool idaapi get_location(argloc_t *, const eval_ctx_t *) const override { return false; }
virtual srcinfo_provider_t *idaapi get_provider(void) const override;
};
//-------------------------------------------------------------------------
//
//-------------------------------------------------------------------------
bool pdb_lnnums_t::get_item_bounds(rangeset_t *set) const
{
for ( size_t i = 0, sz = size(); i < sz; ++i )
{
const pdb_lnnum_t &ln = at(i);
set->add(ln.va, ln.va + ln.length);
}
return !set->empty();
}
//-------------------------------------------------------------------------
int pdb_lnnums_t::get_lnnum() const
{
return empty() ? -1 : at(0).lineNumber;
}
//-------------------------------------------------------------------------
int pdb_lnnums_t::get_colnum() const
{
return empty() ? -1 : at(0).columnNumber;
}
//-------------------------------------------------------------------------
int pdb_lnnums_t::get_end_lnnum() const
{
return empty() ? -1 : at(size() - 1).lineNumber; //should it be lineNumberEnd; ?
}
//-------------------------------------------------------------------------
int pdb_lnnums_t::get_end_colnum() const
{
return empty() ? -1 : at(size() - 1).columnNumber; //should it be columnNumberEnd; ?
}
//--------------------------------------------------------------------------
// pdb_item_iterator
//--------------------------------------------------------------------------
struct pdb_item_iterator : public _source_item_iterator
{
pdb_modinfo_t *pdb_module;
source_items_vec_t items;
int index;
pdb_item_iterator(pdb_modinfo_t *_mod, source_items_vec_t &_items)
: pdb_module(_mod), index(-1)
{
items.swap(_items);
}
virtual ~pdb_item_iterator(void) {}
void idaapi release(void) override
{
delete this;
}
bool idaapi first(void) override
{
index = -1;
return next();
}
bool idaapi next(void) override
{
++index;
return index < items.size();
}
source_item_ptr idaapi operator *() override
{
return items[index];
}
};
//-------------------------------------------------------------------------
// pdb_symbol_t
//--------------------------------------------------------------------------
// source item based on dia symbol
class pdb_symbol_t : public dummy_item_t
{
pdb_sym_t *sym;
mutable pdb_lnnums_t lnnums; // cached ptr to line number enumerator
src_item_kind_t kind;
bool own_sym;
bool init_lnnums() const
{
if ( !lnnums.inited )
{
ULONGLONG va;
if ( sym->get_virtualAddress(&va) == S_OK )
{
ULONGLONG length;
if ( sym->get_length(&length) == S_OK )
{
pdb_access_t *pa = pdb_module->get_access();
if ( pa->sip_retrieve_lines_by_va(&lnnums, va, length) == S_OK )
lnnums.inited = true;
}
}
}
return lnnums.inited;
}
public:
pdb_symbol_t(pdb_modinfo_t *_pdb_module,
pdb_sym_t *_sym,
bool _own_sym,
src_item_kind_t k)
: dummy_item_t(_pdb_module),
sym(_sym),
kind(k),
own_sym(_own_sym)
{
}
virtual ~pdb_symbol_t(void)
{
if ( own_sym )
delete sym;
}
pdb_sym_t *get_pdb_sym() { return sym; }
source_file_iterator idaapi get_source_files(void) override
{
pdb_file_iterator *ret = nullptr;
qvector<DWORD> ids;
HRESULT hr = pdb_module->get_access()->sip_retrieve_symbol_files(
&ids, *sym);
if ( hr == S_OK )
{
ret = new pdb_file_iterator();
for ( size_t i = 0; i < ids.size(); ++i )
{
pdb_file_iterator::entry_t &e = ret->entries.push_back();
e.pdb_module = pdb_module;
e.file_id = ids[i];
}
}
return source_file_iterator(ret);
}
bool idaapi get_name(qstring *buf) const override
{
return sym->get_name(buf) == S_OK;
}
int idaapi get_lnnum() const override
{
return init_lnnums() ? lnnums.get_lnnum() : 0;
}
int idaapi get_end_lnnum() const override
{
return init_lnnums() ? lnnums.get_end_lnnum() : 0;
}
int idaapi get_colnum() const override
{
return init_lnnums() ? lnnums.get_colnum() : 0;
}
int idaapi get_end_colnum() const override
{
if ( !init_lnnums() )
return 0;
return lnnums.get_end_colnum();
}
ea_t idaapi get_ea() const override
{
ULONGLONG va = ULONGLONG(-1);
return FAILED(sym->get_virtualAddress(&va)) ? BADADDR : va;
}
asize_t idaapi get_size() const override
{
ULONGLONG len = 0;
return FAILED(sym->get_length(&len)) ? BADADDR : len;
}
bool idaapi get_item_bounds(rangeset_t *set) const override
{
return init_lnnums() && lnnums.get_item_bounds(set);
}
source_item_ptr idaapi get_parent(src_item_kind_t /*max_kind*/) const override
{
source_item_t *ret = nullptr;
pdb_sym_t *lpar = pdb_module->get_access()->create_sym();
pdb_sym_janitor_t janitor_lpar(lpar);
DWORD par_id = 0;
if ( sym->get_lexicalParent(lpar) == S_OK
&& lpar->get_symIndexId(&par_id) == S_OK )
{
ret = new_pdb_symbol(pdb_module, par_id);
}
return source_item_ptr(ret);
}
source_item_iterator idaapi create_children_iterator() override;
// TODO: not implemented yet
/*bool idaapi get_hint(qstring *hint, const eval_ctx_t *ctx, int *nlines) const
{
return false;
}*/
bool idaapi evaluate(const eval_ctx_t * /*ctx*/, idc_value_t * /*res*/, qstring * /*errbuf*/) const override
{
// not implemented yet
return false;
}
virtual src_item_kind_t idaapi get_item_kind(const eval_ctx_t * /*ctx*/) const override
{
return kind;
}
virtual bool idaapi get_location(argloc_t *out, const eval_ctx_t *) const override
{
DWORD loctype = LocIsNull;
HRESULT hr = sym->get_locationType(&loctype);
if ( FAILED(hr) )
return false;
bool ok = false;
int machine = pdb_module->get_access()->get_machine_type();
switch ( loctype )
{
case LocIsRegRel:
{
DWORD dwReg = 0;
LONG lOffset;
if ( sym->get_registerId(&dwReg) == S_OK
&& sym->get_offset(&lOffset) == S_OK )
{
int regno;
uint64 mask;
if ( pdb_module->pv.get_pdb_register_info(®no, &mask, machine, dwReg) )
{
rrel_t *rrel = new rrel_t();
rrel->reg = regno;
rrel->off = lOffset;
out->consume_rrel(rrel);
ok = true;
}
}
}
break;
case LocIsEnregistered:
{
DWORD dwReg = 0;
if ( sym->get_registerId(&dwReg) == S_OK )
{
int regno;
uint64 mask;
if ( pdb_module->pv.get_pdb_register_info(®no, &mask, machine, dwReg) )
{
out->set_reg1(regno, 0); // off=0?
ok = true;
}
}
}
break;
default:
break;
}
return ok;
}
bool idaapi get_expr_tinfo(tinfo_t *tif) const override
{
til_builder_t::tpinfo_t tpi;
bool res = pdb_module->type_cache->retrieve_type(&tpi, *sym, nullptr);
*tif = tpi.type;
if ( (debug & IDA_DEBUG_SRCDBG) != 0 )
{
qstring type_str;
tpi.type.print(&type_str);
DWORD sym_id = 0;
sym->get_symIndexId(&sym_id);
qstring name;
deb(IDA_DEBUG_SRCDBG, "Retrieved type for %s (symbol #%u): %s\n",
get_name(&name) ? name.c_str() : "<unnamed>",
sym_id,
type_str.c_str());
}
return res;
}
bool idaapi equals(const source_item_t *othr) const override
{
DWORD this_id, other_id;
pdb_symbol_t *other = (pdb_symbol_t*) othr;
return other != nullptr
&& other->sym != nullptr
&& pdb_module == other->pdb_module
&& sym->get_symIndexId(&this_id) == S_OK
&& other->sym->get_symIndexId(&other_id) == S_OK
&& this_id == other_id;
}
};
//--------------------------------------------------------------------------
source_item_iterator idaapi pdb_symbol_t::create_children_iterator()
{
pdb_item_iterator *ret = nullptr;
source_items_vec_builder_t items_builder(pdb_module);
if ( pdb_module->get_access()->iterate_children(
*sym, SymTagNull, items_builder) == S_OK )
ret = new pdb_item_iterator(pdb_module, items_builder.items);
return source_item_iterator(ret);
}
//--------------------------------------------------------------------------
class pdb_lnnum_item_t : public dummy_item_t
{
pdb_lnnum_t *lnnum; // we do not own this pointer
public:
pdb_lnnum_item_t(pdb_modinfo_t *_pdb_module, pdb_lnnum_t *l)
: dummy_item_t(_pdb_module),
lnnum(l) {}
virtual ~pdb_lnnum_item_t(void) {}
virtual source_file_iterator idaapi get_source_files(void) override
{
pdb_file_iterator *ret = nullptr;
if ( lnnum->file_id != DWORD(-1) )
{
ret = new pdb_file_iterator();
pdb_file_iterator::entry_t &e = ret->entries.push_back();
e.pdb_module = pdb_module;
e.file_id = lnnum->file_id;
}
return source_file_iterator(ret);
}
virtual bool idaapi get_name(qstring *) const override
{
return false;
}
virtual int idaapi get_lnnum() const override
{
return lnnum->lineNumber;
}
virtual int idaapi get_end_lnnum() const override
{
return lnnum->lineNumberEnd;
}
virtual int idaapi get_colnum() const override
{
return lnnum->columnNumber;
}
virtual int idaapi get_end_colnum() const override
{
return lnnum->columnNumberEnd;
}
virtual ea_t idaapi get_ea() const override
{
return ea_t(lnnum->va);
}
virtual asize_t idaapi get_size() const override
{
return lnnum->length;
}
virtual src_item_kind_t idaapi get_item_kind(const eval_ctx_t * /*ctx*/) const override
{
return lnnum->statement ? SRCIT_STMT : SRCIT_EXPR;
}
virtual source_item_ptr idaapi get_parent(src_item_kind_t /*max_kind*/) const override
{
source_item_t *ret = nullptr;
ea_t ea = get_ea();
if ( ea != BADADDR )
{
source_items_vec_builder_t items_builder(pdb_module);
HRESULT hr = pdb_module->get_access()->sip_iterate_symbols_at_ea(
ea, /*size=*/ 1, SymTagFunction, items_builder);
if ( hr == S_OK && !items_builder.items.empty() )
{
DWORD sym_id = 0;
pdb_symbol_t &pit = (pdb_symbol_t &) *items_builder.items[0];
hr = pit.get_pdb_sym()->get_symIndexId(&sym_id);
if ( hr == S_OK )
ret = new_pdb_symbol(pdb_module, sym_id);
}
}
return source_item_ptr(ret);
}
bool idaapi equals(const source_item_t *othr) const override
{
pdb_lnnum_item_t *other = (pdb_lnnum_item_t*) othr;
return other != nullptr
&& other->lnnum != nullptr
&& lnnum->va != BADADDR
&& other->lnnum->va != BADADDR
&& lnnum->va == other->lnnum->va;
}
};
//-------------------------------------------------------------------------
static src_item_kind_t find_srcitem_kind(pdb_sym_t *sym)
{
src_item_kind_t kind = SRCIT_NONE;
DWORD tag = 0;
HRESULT hr = sym->get_symTag(&tag);
if ( hr == S_OK )
{
switch ( tag )
{
case SymTagFunction:
kind = SRCIT_FUNC;
break;
case SymTagBlock:
kind = SRCIT_STMT;
break;
case SymTagData:
case SymTagPublicSymbol:
{
DWORD loctype = LocIsNull;
sym->get_locationType(&loctype);
switch ( loctype )
{
case LocIsStatic:
case LocIsTLS:
kind = SRCIT_STTVAR;
break;
case LocIsRegRel:
DWORD dwReg;
if ( sym->get_registerId(&dwReg) == S_OK
&& (dwReg == CV_REG_EBP || dwReg == CV_AMD64_RSP) )
{
kind = SRCIT_LOCVAR;
}
break;
case LocIsEnregistered:
kind = SRCIT_LOCVAR;
break;
}
}
break;
}
}
return kind;
}
//--------------------------------------------------------------------------
static source_item_t *new_pdb_symbol(pdb_modinfo_t *pdb_module, DWORD sym_id)
{
pdb_sym_t *sym = pdb_module->get_access()->create_sym(sym_id);
src_item_kind_t kind = find_srcitem_kind(sym);
if ( kind != SRCIT_NONE )
return new pdb_symbol_t(pdb_module, sym, /*own=*/ true, kind);
delete sym;
return nullptr;
}
//--------------------------------------------------------------------------
static source_item_t *new_pdb_symbol_or_delete(pdb_modinfo_t *pdb_module, pdb_sym_t *sym)
{
src_item_kind_t kind = find_srcitem_kind(sym);
if ( kind != SRCIT_NONE )
return new pdb_symbol_t(pdb_module, sym, /*own=*/ true, kind);
delete sym;
return nullptr;
}
//--------------------------------------------------------------------------
class pdb_provider_t : public srcinfo_provider_t
{
pdb_ctx_t &pv;
pdb_modules_t modules;
qstring search_path;
pdb_modinfo_t *open_module(pdb_modules_t::iterator p)
{
pdb_modinfo_t &mod = p->second;
if ( !mod.opened )
{
msg("PDBSRC: loading symbols for '%s'...\n", mod.path.c_str());
HRESULT hr = mod.open(mod.path.c_str(), search_path.c_str(), mod.base);
if ( FAILED(hr) )
{ // failed to open the corresponding pdb file
modules.erase(p);
return nullptr;
}
mod.opened = true;
}
return &mod;
}
pdb_modinfo_t *find_module(ea_t ea)
{
deb(IDA_DEBUG_SRCDBG, "PDB: find_module(%a)\n", ea);
pdb_modules_t::iterator p = modules.lower_bound(ea);
if ( p == modules.end() || p->first > ea )
{
if ( p == modules.begin() )
return nullptr; // could not find the module
--p;
if ( p->first > ea || p->first+p->second.size <= ea )
return nullptr;
}
return open_module(p);
}
pdb_modinfo_t *find_module(const char *path)
{
deb(IDA_DEBUG_SRCDBG, "PDB: find_module(%s)\n", path);
pdb_modules_t::iterator p = modules.begin();
for ( ; p != modules.end(); ++p )
if ( p->second.path == path )
return &p->second;
return nullptr;
}
public:
bool idaapi enable_provider(bool enable) override;
const char *idaapi set_options(const char *keyword, int value_type, const void *value) override;
void idaapi add_module(const char *path, ea_t base, asize_t size) override;
void idaapi del_module(ea_t base) override;
void idaapi get_ready(void) override;
int idaapi get_change_flags(void) override;
source_item_iterator idaapi find_source_items(ea_t ea, asize_t size, src_item_kind_t level, bool) override;
source_item_iterator idaapi find_source_items(source_file_t *sf, int lnnum, int colnum) override;
source_file_iterator idaapi create_file_iterator(const char *filename) override;
source_item_iterator idaapi create_item_iterator(const source_file_t *sf) override;
bool idaapi apply_module_info(const char *path) override;
source_item_ptr idaapi find_static_item(const char *name, ea_t ea) override;
pdb_provider_t(pdb_ctx_t &_pv, const char *nm, const char *dnm)
: srcinfo_provider_t(nm, dnm),
pv(_pv)
{}
virtual ~pdb_provider_t(void) {}
};
//---------------------------------------------------------------------------
static bool is_pdb_supported(void)
{
// PE files.
filetype_t ftype = inf_get_filetype();
if ( ftype == f_PE )
return true;
// Otherwise check for debugger.
if ( dbg == nullptr )
return false;
// Win32 debugger.
qstring platform;
debapp_attrs_t pattrs;
if ( dbg->get_debapp_attrs(&pattrs) )
platform.swap(pattrs.platform);
else
platform = dbg->name;
if ( platform.find("win32") != qstring::npos )
return true;
// Some other debugger (e.g.: "gdb") with unknown filetype.
// This is needed to debug windows kernels under VMware.
if ( ftype == 0 )
return true;
return false;
}
//--------------------------------------------------------------------------
bool idaapi pdb_provider_t::enable_provider(bool enable)
{
if ( enable )
{
if ( !is_pdb_supported() )
return false;
pv.init_sympaths();
if ( pv.full_sympath.empty() )
search_path.qclear();
else
search_path = pv.full_sympath;
}
return enable;
}
//--------------------------------------------------------------------------
const char *idaapi pdb_provider_t::set_options(
const char * /*keyword*/,
int /*value_type*/,
const void * /*value*/)
{
// todo: add option to set search path
return IDPOPT_BADKEY;
}
//--------------------------------------------------------------------------
void idaapi pdb_provider_t::add_module(
const char *path,
ea_t base,
asize_t size)
{
deb(IDA_DEBUG_DEBUGGER, "PDB: add_module(%s, [%a -> %a))\n", path, base, ea_t(base + size));
pdb_modinfo_t &mod = modules[base];
mod.path = path;
mod.base = base;
mod.size = size;
// do not open the module immediately, we will do it only when we
// really need the module
mod.opened = false;
mod.type_cache = nullptr;
}
//--------------------------------------------------------------------------
void idaapi pdb_provider_t::del_module(ea_t base)
{
modules.erase(base);
}
//--------------------------------------------------------------------------
void idaapi pdb_provider_t::get_ready(void)
{
// nothing to do
}
//--------------------------------------------------------------------------
int idaapi pdb_provider_t::get_change_flags(void)
{
// nothing ever changes?
return 0;
}
//--------------------------------------------------------------------------
// Retrieve the line numbers into a map
// 'enumerator' will be freed by this function
static void lnnums_to_lnmap(lnmap_t *map, const pdb_lnnums_t &lnnums)
{
const size_t lncnt = lnnums.size();
if ( lncnt > 0 )
{
pdb_lnnum_vec_t vec;
vec.resize(lncnt);
for ( size_t i = 0; i < lncnt; ++i )
{
const pdb_lnnum_t &lnnum = lnnums[i];
(*map)[lnnum.lineNumber].push_back(lnnum);
}
}