diff --git a/SConscript b/SConscript
index 24c10568e47edf1e6dda13f3c6e4ac6bfac57a29..718e08038424c9fab7cc1c603d92e28bbe3091f8 100644
--- a/SConscript
+++ b/SConscript
@@ -1,66 +1,9 @@
-import os
-
+import os
Import('env')
-myenv=env.Clone()
-myenv.Replace(SECURITY_TRANSFORMS_HOME=os.environ['SECURITY_TRANSFORMS_HOME'])
-
-installed=[]
-
-if 'build_tools' not in myenv or myenv['build_tools'] is None or int(myenv['build_tools']) == 1:
-
- cpppath='''
- $SECURITY_TRANSFORMS_HOME/include
- $SECURITY_TRANSFORMS_HOME/libIRDB/include
- $SECURITY_TRANSFORMS_HOME/libMEDSannotation/include
- $SECURITY_TRANSFORMS_HOME/libEXEIO/include
- '''
-
- LIBPATH="$SECURITY_TRANSFORMS_HOME/lib"
- LIBS=Split( 'IRDB-cfg IRDB-util ' + env.subst('$BASE_IRDB_LIBS')+ " MEDSannotation")
-
- myenv=myenv.Clone(CPPPATH=Split(cpppath))
-
- myenv.Append(CCFLAGS=" -std=c++11 -Wall")
-
- ehframe=myenv.Object("read_ehframe.cpp");
- split_eh_frame=myenv.Object("split_eh_frame.cpp");
-
- pgm=myenv.Program("fill_in_indtargs.exe", ehframe+split_eh_frame+Split("fill_in_indtargs.cpp check_thunks.cpp"), LIBPATH=LIBPATH, LIBS=LIBS)
- install=myenv.Install("$SECURITY_TRANSFORMS_HOME/bin/", pgm)
- Default(install)
- installed=installed+install
-
- pgm=myenv.Program("fill_in_cfg.exe", split_eh_frame+Split("fill_in_cfg.cpp"), LIBPATH=LIBPATH, LIBS=LIBS)
- install=myenv.Install("$SECURITY_TRANSFORMS_HOME/bin/", pgm)
- Default(install)
- installed=installed+install
-
- pgm=myenv.Program("fix_calls.exe", ehframe+Split("fix_calls.cpp"), LIBPATH=LIBPATH, LIBS=LIBS)
- install=myenv.Install("$SECURITY_TRANSFORMS_HOME/bin/", pgm)
- Default(install)
- installed=installed+install
-
- # most programs go to $sectrans/bin
- pgms='''clone
- generate_spri
- find_strings
- mark_functions_safe
- '''
- for i in Split(pgms):
- # print "Registering pgm: "+ i
- pgm=myenv.Program(target=i+".exe", source=Split(i+".cpp"), LIBPATH=LIBPATH, LIBS=LIBS)
- install=myenv.Install("$SECURITY_TRANSFORMS_HOME/bin/", pgm)
- Default(install)
- installed=installed+install
-
- # ilr goes to $sectrans/plugins_install
- pgm=myenv.Program(target="ilr.exe", source=Split("ilr.cpp"), LIBPATH=LIBPATH, LIBS=LIBS)
- install=myenv.Install("$SECURITY_TRANSFORMS_HOME/plugins_install/", pgm)
- Default(install)
- installed=installed+install
+lib=SConscript("src/SConscript")
-Return('installed')
+Return('lib')
diff --git a/src/SConscript b/src/SConscript
new file mode 100644
index 0000000000000000000000000000000000000000..c6e12cac9d1dad532ff3750bec244af7ef3f6b56
--- /dev/null
+++ b/src/SConscript
@@ -0,0 +1,24 @@
+import os
+
+
+
+Import('env')
+myenv=env.Clone()
+
+files="ehp.cpp"
+
+cpppath='''
+ ../include
+ '''
+
+
+LIBPATH="$SECURITY_TRANSFORMS_HOME/lib"
+LIBS=Split("")
+
+myenv=myenv.Clone(CPPPATH=Split(cpppath))
+myenv.Append(CXXFLAGS = " -std=c++11 -Wall -Werror -fmax-errors=2")
+
+lib=myenv.Library("ehp", Split(files), LIBPATH=LIBPATH, LIBS=LIBS)
+Default(lib)
+
+Return('lib')
diff --git a/src/SConstruct b/src/SConstruct
new file mode 100644
index 0000000000000000000000000000000000000000..b5b7b78c5f88640c7e8877a9df76dc9191af7498
--- /dev/null
+++ b/src/SConstruct
@@ -0,0 +1,8 @@
+
+
+
+env=Environment()
+Export('env')
+lib=SConscript("SConscript")
+
+Return('lib')
diff --git a/src/split_eh_frame.cpp b/src/ehp.cpp
similarity index 74%
rename from src/split_eh_frame.cpp
rename to src/ehp.cpp
index 117895efbf7d199841600464ea2690fac4c550e0..62ead1e253c469b56e20dcf43c9fd3576678a77b 100644
--- a/src/split_eh_frame.cpp
+++ b/src/ehp.cpp
@@ -1,4 +1,3 @@
-#include <libIRDB-core.hpp>
#include <iostream>
#include <iomanip>
#include <fstream>
@@ -11,14 +10,10 @@
#include <algorithm>
#include <memory>
-#include <exeio.h>
-#include "dwarf2.h"
-
-#include "eh_frame.hpp"
+#include "ehp.hpp"
using namespace std;
-using namespace EXEIO;
-using namespace libIRDB;
+using namespace EHP;
#define WHOLE_CONTAINER(s) begin(s), end(s)
@@ -1038,12 +1033,6 @@ void cie_contents_t<ptrsize>::print() const
}
-template <int ptrsize>
-void cie_contents_t<ptrsize>::build_ir(Instruction_t* insn) const
-{
- // nothing to do? built up one level.
- //eh_pgm.print();
-}
template <int ptrsize>
lsda_call_site_action_t<ptrsize>::lsda_call_site_action_t() :
@@ -1246,98 +1235,6 @@ void lsda_call_site_t<ptrsize>::print() const
}
-template <int ptrsize>
-bool lsda_call_site_t<ptrsize>::appliesTo(const Instruction_t* insn) const
-{
- assert(insn && insn->GetAddress());
- auto insn_addr=insn->GetAddress()->GetVirtualOffset();
-
- return ( call_site_addr <=insn_addr && insn_addr<call_site_end_addr );
-}
-
-
-template <int ptrsize>
-void lsda_call_site_t<ptrsize>::build_ir(Instruction_t* insn, const vector<lsda_type_table_entry_t <ptrsize> > &type_table, const uint8_t& tt_encoding, const OffsetMap_t& om, FileIR_t* firp) const
-{
- assert(appliesTo(insn));
-
- // find landing pad instruction.
- auto lp_insn=(Instruction_t*)NULL;
- auto lp_it=om.find(landing_pad_addr);
- if(lp_it!=om.end())
- lp_insn=lp_it->second;
-
- // create the callsite.
- auto new_ehcs = new EhCallSite_t(BaseObj_t::NOT_IN_DATABASE, tt_encoding, lp_insn);
- firp->GetAllEhCallSites().insert(new_ehcs);
- insn->SetEhCallSite(new_ehcs);
-
- //cout<<"landing pad addr : 0x"<<hex<<landing_pad_addr<<endl;
- if(action_table.size() == 0 )
- {
- new_ehcs->SetHasCleanup();
- // cout<<"Destructors to call, but no exceptions to catch"<<endl;
- }
- else
- {
- for_each(action_table.begin(), action_table.end(), [&](const lsda_call_site_action_t<ptrsize>& p)
- {
- const auto action=p.GetAction();
- if(action==0)
- {
- new_ehcs->GetTTOrderVector().push_back(action);
- //cout<<"Cleanup only (no catches) ."<<endl;
- }
- else if(action>0)
- {
- new_ehcs->GetTTOrderVector().push_back(action);
- const auto index=action - 1;
- //cout<<"Catch for type: ";
- // the type table reveral was done during parsing, type table is right-side-up now.
- //type_table.at(index).print();
- auto wrt=(DataScoop_t*)NULL;
- if(type_table.at(index).GetTypeInfoPointer()!=0)
- {
- wrt=firp->FindScoop(type_table.at(index).GetTypeInfoPointer());
- assert(wrt);
- }
- const auto offset=index*type_table.at(index).GetTTEncodingSize();
- auto addend=0;
- if(wrt!=NULL)
- addend=type_table.at(index).GetTypeInfoPointer()-wrt->GetStart()->GetVirtualOffset();
- auto newreloc=new Relocation_t(BaseObj_t::NOT_IN_DATABASE, offset, "type_table_entry", wrt, addend);
- new_ehcs->GetRelocations().insert(newreloc);
- firp->GetRelocations().insert(newreloc);
-
- //if(wrt==NULL)
- // cout<<"Catch all in type table"<<endl;
- //else
- // cout<<"Catch for type at "<<wrt->GetName()<<"+0x"<<hex<<addend<<"."<<endl;
- }
- else if(action<0)
- {
- static auto already_warned=false;
- if(!already_warned)
- {
- ofstream fout("warning.txt");
- fout<<"Dynamic exception specification in eh_frame not fully supported."<<endl;
- already_warned=true;
- }
-
- // this isn't right at all, but pretend it's a cleanup!
- new_ehcs->SetHasCleanup();
- //cout<<"Cleanup only (no catches) ."<<endl;
- }
- else
- {
- cout<<"What? :"<< action <<endl;
- exit(1);
- }
- });
- }
-}
-
-
template <int ptrsize>
uint8_t lsda_t<ptrsize>::GetTTEncoding() const { return type_table_encoding; }
@@ -1357,7 +1254,12 @@ lsda_t<ptrsize>::lsda_t() :
{}
template <int ptrsize>
-bool lsda_t<ptrsize>::parse_lsda(const uint64_t lsda_addr, const DataScoop_t* gcc_except_scoop, const uint64_t fde_region_start)
+bool lsda_t<ptrsize>::parse_lsda(
+ const uint64_t lsda_addr,
+ //const DataScoop_t* gcc_except_scoop,
+ const uint8_t* gcc_except_scoop_data,
+ const uint64_t fde_region_start
+ )
{
// make sure there's a scoop and that we're in the range.
if(!gcc_except_scoop)
@@ -1457,7 +1359,9 @@ bool lsda_t<ptrsize>::parse_lsda(const uint64_t lsda_addr, const DataScoop_t* gc
}
else if(type_filter<0)
{
- // a type filter < 0 indicates a dynamic exception specification is in play.
+ // a type filter < 0 indicates a dynamic exception specification (DES) is in play.
+ // a DES is where the runtime enforces whether exceptions can be thrown or not,
+ // and if an unexpected exception is thrown, a separate handler is invoked.
// these are not common and even less likely to be needed for correct execution.
// we ignore for now. A warning is printed if they are found in build_ir.
}
@@ -1503,25 +1407,6 @@ void lsda_t<ptrsize>::print() const
});
}
-template <int ptrsize>
-void lsda_t<ptrsize>::build_ir(Instruction_t* insn, const OffsetMap_t& om, FileIR_t* firp) const
-{
- auto cs_it=find_if(call_site_table.begin(), call_site_table.end(), [&](const lsda_call_site_t<ptrsize>& p)
- {
- return p.appliesTo(insn);
- });
-
- if(cs_it!= call_site_table.end())
- {
- cs_it->build_ir(insn, type_table, GetTTEncoding(), om, firp);
- }
- else
- {
- // no call site table entry for this instruction.
- }
-}
-
-
template <int ptrsize>
fde_contents_t<ptrsize>::fde_contents_t() :
fde_position(0),
@@ -1535,15 +1420,6 @@ fde_contents_t<ptrsize>::fde_contents_t() :
{}
-template <int ptrsize>
-bool fde_contents_t<ptrsize>::appliesTo(const Instruction_t* insn) const
-{
- assert(insn && insn->GetAddress());
- auto insn_addr=insn->GetAddress()->GetVirtualOffset();
-
- return ( fde_start_addr<=insn_addr && insn_addr<fde_end_addr );
-}
-
template <int ptrsize>
const cie_contents_t<ptrsize>& fde_contents_t<ptrsize>::GetCIE() const { return cie_info; }
@@ -1563,7 +1439,8 @@ bool fde_contents_t<ptrsize>::parse_fde(
const uint8_t* const data,
const uint64_t max,
const uint64_t eh_addr,
- const DataScoop_t* gcc_except_scoop)
+ const uint8_t* gcc_except_scoop_data)
+// const DataScoop_t* gcc_except_scoop)
{
auto &c=*this;
const auto eh_frame_scoop_data=data;
@@ -1642,29 +1519,9 @@ void fde_contents_t<ptrsize>::print() const
cout<<" No LSDA for this FDE."<<endl;
}
-template <int ptrsize>
-void fde_contents_t<ptrsize>::build_ir(Instruction_t* insn, const OffsetMap_t &om, FileIR_t* firp) const
-{
- // assert this is the right FDE.
- assert( fde_start_addr<= insn->GetAddress()->GetVirtualOffset() && insn->GetAddress()->GetVirtualOffset() <= fde_end_addr);
-
- //eh_pgm.print(fde_start_addr);
- if(lsda_addr!=0)
- lsda.build_ir(insn,om,firp);
-}
-
-template <int ptrsize>
-bool split_eh_frame_impl_t<ptrsize>::init_offset_map()
-{
- for_each(firp->GetInstructions().begin(), firp->GetInstructions().end(), [&](Instruction_t* i)
- {
- offset_to_insn_map[i->GetAddress()->GetVirtualOffset()]=i;
- });
- return false;
-}
template <int ptrsize>
@@ -1727,35 +1584,6 @@ bool split_eh_frame_impl_t<ptrsize>::iterate_fdes()
}
-template <int ptrsize>
-split_eh_frame_impl_t<ptrsize>::split_eh_frame_impl_t(FileIR_t* p_firp)
- : firp(p_firp),
- eh_frame_scoop(NULL),
- eh_frame_hdr_scoop(NULL),
- gcc_except_table_scoop(NULL)
-{
- assert(firp!=NULL);
-
- // function to find a scoop by name.
- auto lookup_scoop_by_name=[&](const string &name) -> DataScoop_t*
- {
- auto scoop_it=find_if(firp->GetDataScoops().begin(), firp->GetDataScoops().end(), [name](DataScoop_t* scoop)
- {
- return scoop->GetName()==name;
- });
-
- if(scoop_it!=firp->GetDataScoops().end())
- return *scoop_it;
- return NULL;
- };
-
- eh_frame_scoop=lookup_scoop_by_name(".eh_frame");
- eh_frame_hdr_scoop=lookup_scoop_by_name(".eh_frame_hdr");
- gcc_except_table_scoop=lookup_scoop_by_name(".gcc_except_table");
-
-}
-
-
template <int ptrsize>
bool split_eh_frame_impl_t<ptrsize>::parse()
{
@@ -1763,9 +1591,6 @@ bool split_eh_frame_impl_t<ptrsize>::parse()
return true; // no frame info in this binary
- if(init_offset_map())
- return true;
-
if(iterate_fdes())
return true;
@@ -1787,270 +1612,4 @@ void split_eh_frame_impl_t<ptrsize>::print() const
}
-template <int ptrsize>
-void split_eh_frame_impl_t<ptrsize>::build_ir() const
-{
- typedef pair<EhProgram_t*,uint64_t> whole_pgm_t;
-
- auto reusedpgms=size_t(0);
- struct EhProgramComparator_t {
-// bool operator() (const EhProgram_t* a, const EhProgram_t* b) { return *a < *b; }
- bool operator() (const whole_pgm_t& a, const whole_pgm_t& b)
- { return tie(*a.first, a.second) < tie(*b.first,b.second); }
- };
-
- // this is used to avoid adding duplicate entries to the program's IR, it allows a lookup by value
- // instead of the IR's set which allows duplicates.
- auto eh_program_cache = set<whole_pgm_t, EhProgramComparator_t>();
-
- // find the right cie and fde, and build the IR from those for this instruction.
- auto build_ir_insn=[&](Instruction_t* insn) -> void
- {
- const auto tofind=fde_contents_t<ptrsize>( insn->GetAddress()->GetVirtualOffset(), insn->GetAddress()->GetVirtualOffset()+1 );
- const auto fie_it=fdes.find(tofind);
-
- if(fie_it!=fdes.end())
- {
-
- if(getenv("EHIR_VERBOSE")!=NULL)
- {
- cout<<hex<<insn->GetAddress()->GetVirtualOffset()<<":"
- <<insn->GetBaseID()<<":"<<insn->getDisassembly()<<" -> "<<endl;
- //fie_it->GetCIE().print();
- fie_it->print();
- }
-
- const auto fde_addr=fie_it->GetFDEStartAddress();
- const auto caf=fie_it->GetCIE().GetCAF();
- const auto daf=fie_it->GetCIE().GetDAF();
- const auto return_reg=fie_it->GetCIE().GetReturnRegister();
- const auto personality=fie_it->GetCIE().GetPersonality();
- const auto insn_addr=insn->GetAddress()->GetVirtualOffset();
-
- auto import_pgm = [&](EhProgramListing_t& out_pgm, const eh_program_t<ptrsize> in_pgm) -> void
- {
- auto cur_addr=fde_addr;
- for(const auto & insn : in_pgm.GetInstructions())
- {
- if(insn.Advance(cur_addr, caf))
- {
- if(cur_addr > insn_addr)
- break;
- }
- else if(insn.isNop())
- {
- // skip nops
- }
- else if(insn.isRestoreState())
- {
- // if a restore state happens, pop back out any instructions until
- // we find the corresponding remember_state
- while(1)
- {
- if(out_pgm.size()==0)
- {
- // unmatched remember state
- cerr<<"Error in CIE/FDE program: unmatched restore_state command"<<endl;
- break;
- }
- const auto back_str=out_pgm.back();
- out_pgm.pop_back();
- const auto back_insn=eh_program_insn_t<ptrsize>(back_str);
- if(back_insn.isRememberState())
- break;
- }
- }
- else
- {
- string to_push(insn.GetBytes().begin(),insn.GetBytes().end());
- out_pgm.push_back(to_push);
- }
-
- }
- if(getenv("EHIR_VERBOSE")!=NULL)
- {
- cout<<"\tPgm has insn_count="<<out_pgm.size()<<endl;
- }
- };
-
- // build an eh program on the stack;
-
- auto ehpgm=EhProgram_t(BaseObj_t::NOT_IN_DATABASE,caf,daf,return_reg, ptrsize);
- import_pgm(ehpgm.GetCIEProgram(), fie_it->GetCIE().GetProgram());
- import_pgm(ehpgm.GetFDEProgram(), fie_it->GetProgram());
-
-
- if(getenv("EHIR_VERBOSE")!=NULL)
- ehpgm.print();
- // see if we've already built this one.
- auto ehpgm_it = eh_program_cache.find(whole_pgm_t(&ehpgm, personality)) ;
- if(ehpgm_it != eh_program_cache.end())
- {
- // yes, use the cached program.
- insn->SetEhProgram(ehpgm_it->first);
- if(getenv("EHIR_VERBOSE")!=NULL)
- cout<<"Re-using existing Program!"<<endl;
- reusedpgms++;
- }
- else /* doesn't yet exist! */
- {
-
- if(getenv("EHIR_VERBOSE")!=NULL)
- cout<<"Allocating new Program!"<<endl;
-
- // allocate a new pgm in the heap so we can give it to the IR.
- auto newehpgm=new EhProgram_t(ehpgm); // copy constructor
- assert(newehpgm);
- firp->GetAllEhPrograms().insert(newehpgm);
-
- // allocate a relocation for the personality and give it to the IR.
- auto personality_scoop=firp->FindScoop(personality);
- auto personality_insn_it=offset_to_insn_map.find(personality);
- auto personality_insn=personality_insn_it==offset_to_insn_map.end() ? (Instruction_t*)NULL : personality_insn_it->second;
- auto personality_obj = personality_scoop ? (BaseObj_t*)personality_scoop : (BaseObj_t*)personality_insn;
- auto addend= personality_scoop ? personality - personality_scoop->GetStart()->GetVirtualOffset() : 0;
- auto newreloc=new Relocation_t(BaseObj_t::NOT_IN_DATABASE, 0, "personality", personality_obj, addend);
- assert(personality==0 || personality_obj!=NULL);
- assert(newreloc);
-
- if(personality_obj==NULL)
- {
- if(getenv("EHIR_VERBOSE")!=NULL)
- cout<<"Null personality obj: 0x"<<hex<<personality<<endl;
- }
- else if(personality_scoop)
- {
- if(getenv("EHIR_VERBOSE")!=NULL)
- cout<<"Found personality scoop: 0x"<<hex<<personality<<" -> "
- <<personality_scoop->GetName()<<"+0x"<<hex<<addend<<endl;
- }
- else if(personality_insn)
- {
- if(getenv("EHIR_VERBOSE")!=NULL)
- cout<<"Found personality insn: 0x"<<hex<<personality<<" -> "
- <<personality_insn->GetBaseID()<<":"<<personality_insn->getDisassembly()<<endl;
- }
- else
- assert(0);
-
- newehpgm->GetRelocations().insert(newreloc);
- firp->GetRelocations().insert(newreloc);
-
-
- // record for this insn
- insn->SetEhProgram(newehpgm);
-
- // update cache.
- eh_program_cache.insert(whole_pgm_t(newehpgm,personality));
- }
-
- // build the IR from the FDE.
- fie_it->GetCIE().build_ir(insn);
- fie_it->build_ir(insn, offset_to_insn_map,firp);
- }
- else
- {
- if(getenv("EHIR_VERBOSE")!=NULL)
- {
- cout<<hex<<insn->GetAddress()->GetVirtualOffset()<<":"
- <<insn->GetBaseID()<<":"<<insn->getDisassembly()<<" has no FDE "<<endl;
- }
- }
-
- };
-
-
- auto remove_reloc=[&](Relocation_t* r) -> void
- {
- firp->GetRelocations().erase(r);
- delete r;
- };
-
- auto remove_address=[&](AddressID_t* a) -> void
- {
- firp->GetAddresses().erase(a);
- for(auto &r : a->GetRelocations()) remove_reloc(r);
- for(auto &r : firp->GetRelocations()) assert(r->GetWRT() != a);
- delete a;
- };
-
- auto remove_scoop=[&] (DataScoop_t* s) -> void
- {
- if(s==NULL)
- return;
- firp->GetDataScoops().erase(s);
- remove_address(s->GetStart());
- remove_address(s->GetEnd());
- for(auto &r : s->GetRelocations()) remove_reloc(r);
- for(auto &r : firp->GetRelocations()) assert(r->GetWRT() != s);
- delete s;
- };
-
- for(Instruction_t* i : firp->GetInstructions())
- {
- build_ir_insn(i);
- }
-
- cout<<"# ATTRIBUTE Split_Exception_Handler::total_eh_programs_created="<<dec<<firp->GetAllEhPrograms().size()<<endl;
- cout<<"# ATTRIBUTE Split_Exception_Handler::total_eh_programs_reused="<<dec<<reusedpgms<<endl;
- cout<<"# ATTRIBUTE Split_Exception_Handler::total_eh_programs="<<dec<<firp->GetAllEhPrograms().size()+reusedpgms<<endl;
- cout<<"# ATTRIBUTE Split_Exception_Handler::pct_eh_programs="<<std::fixed<<((float)firp->GetAllEhPrograms().size()/(float)firp->GetAllEhPrograms().size()+reusedpgms)*100.00<<"%"<<endl;
- cout<<"# ATTRIBUTE Split_Exception_Handler::pct_eh_programs_reused="<<std::fixed<<((float)reusedpgms/(float)firp->GetAllEhPrograms().size()+reusedpgms)*100.00<<"%"<<endl;
-
- remove_scoop(eh_frame_scoop);
- remove_scoop(eh_frame_hdr_scoop);
- remove_scoop(gcc_except_table_scoop);
-
-}
-
-template <int ptrsize>
-libIRDB::Instruction_t* split_eh_frame_impl_t<ptrsize>::find_lp(libIRDB::Instruction_t* i) const
-{
- const auto tofind=fde_contents_t<ptrsize>( i->GetAddress()->GetVirtualOffset(), i->GetAddress()->GetVirtualOffset()+1);
- const auto fde_it=fdes.find(tofind);
-
- if(fde_it==fdes.end())
- return NULL;
-
- const auto &the_fde=*fde_it;
- const auto &the_lsda=the_fde.GetLSDA();
- const auto &cstab = the_lsda.GetCallSites();
-
- const auto cstab_it=find_if(cstab.begin(), cstab.end(), [&](const lsda_call_site_t <ptrsize>& cs)
- { return cs.appliesTo(i); });
- if(cstab_it==cstab.end())
- return NULL;
-
- const auto &the_cstab_entry=*cstab_it;
- const auto lp_addr= the_cstab_entry.GetLandingPadAddress();
-
- const auto om_it=offset_to_insn_map.find(lp_addr);
-
- if(om_it==offset_to_insn_map.end())
- return NULL;
-
- auto lp=om_it->second;
- return lp;
-}
-
-
-unique_ptr<split_eh_frame_t> split_eh_frame_t::factory(FileIR_t *firp)
-{
- if( firp->GetArchitectureBitWidth()==64)
- return unique_ptr<split_eh_frame_t>(new split_eh_frame_impl_t<8>(firp));
- else
- return unique_ptr<split_eh_frame_t>(new split_eh_frame_impl_t<4>(firp));
-
-}
-
-void split_eh_frame(FileIR_t* firp)
-{
- auto found_err=false;
- //auto eh_frame_splitter=(unique_ptr<split_eh_frame_t>)NULL;
- const auto eh_frame_splitter=split_eh_frame_t::factory(firp);
- found_err=eh_frame_splitter->parse();
- eh_frame_splitter->build_ir();
-
- assert(!found_err);
-}
diff --git a/include/eh_frame.hpp b/src/ehp.hpp
similarity index 86%
rename from include/eh_frame.hpp
rename to src/ehp.hpp
index d5826f1eb9483f67b058da877b07ebcada86d696..420a0d747cd5a42b82f47a2e825c68274241a1b5 100644
--- a/include/eh_frame.hpp
+++ b/src/ehp.hpp
@@ -1,7 +1,6 @@
-#ifndef eh_frame_hpp
-#define eh_frame_hpp
+#ifndef ehp_hpp
+#define ehp_hpp
-#include <libIRDB-core.hpp>
#include <iostream>
#include <iomanip>
#include <fstream>
@@ -13,14 +12,16 @@
#include <elf.h>
#include <algorithm>
#include <memory>
+#include <set>
-#include <exeio.h>
-#include "dwarf2.h"
+#include "ehp_dwarf2.hpp"
+namespace EHP
+{
+using namespace std;
-typedef std::map<libIRDB::virtual_offset_t, libIRDB::Instruction_t*> OffsetMap_t;
template <int ptrsize>
class eh_frame_util_t
@@ -169,7 +170,6 @@ class cie_contents_t : eh_frame_util_t<ptrsize>
const uint32_t max,
const uint64_t eh_addr);
void print() const ;
- void build_ir(libIRDB::Instruction_t* insn) const;
};
template <int ptrsize>
@@ -254,9 +254,8 @@ class lsda_call_site_t : private eh_frame_util_t<ptrsize>
void print() const;
- bool appliesTo(const libIRDB::Instruction_t* insn) const;
+// bool appliesTo(const libIRDB::Instruction_t* insn) const;
- void build_ir(libIRDB::Instruction_t* insn, const std::vector<lsda_type_table_entry_t <ptrsize> > &type_table, const uint8_t& tt_encoding, const OffsetMap_t& om, libIRDB::FileIR_t* firp) const;
};
@@ -287,9 +286,12 @@ class lsda_t : private eh_frame_util_t<ptrsize>
lsda_t() ;
- bool parse_lsda(const uint64_t lsda_addr, const libIRDB::DataScoop_t* gcc_except_scoop, const uint64_t fde_region_start);
+ bool parse_lsda(const uint64_t lsda_addr,
+ /*const libIRDB::DataScoop_t* gcc_except_scoop, */
+ const uint8_t *gcc_except_scoop_data,
+ const uint64_t fde_region_start
+ );
void print() const;
- void build_ir(libIRDB::Instruction_t* insn, const OffsetMap_t& om, libIRDB::FileIR_t* firp) const;
const call_site_table_t<ptrsize> GetCallSites() const { return call_site_table;}
@@ -322,7 +324,7 @@ class fde_contents_t : eh_frame_util_t<ptrsize>
fde_end_addr(end_addr)
{}
- bool appliesTo(const libIRDB::Instruction_t* insn) const;
+// bool appliesTo(const libIRDB::Instruction_t* insn) const;
uint64_t GetFDEStartAddress() const { return fde_start_addr; }
uint64_t GetFDEEndAddress() const {return fde_end_addr; }
@@ -341,11 +343,11 @@ class fde_contents_t : eh_frame_util_t<ptrsize>
const uint8_t* const data,
const uint64_t max,
const uint64_t eh_addr,
- const libIRDB::DataScoop_t* gcc_except_scoop);
+ const uint8_t *gcc_except_scoop_data
+ /* const libIRDB::DataScoop_t* gcc_except_scoop*/);
void print() const;
- void build_ir(libIRDB::Instruction_t* insn, const OffsetMap_t &om, libIRDB::FileIR_t* firp) const;
};
@@ -358,11 +360,7 @@ class split_eh_frame_t
public:
virtual bool parse()=0;
- virtual void build_ir() const =0;
virtual void print() const=0;
- virtual libIRDB::Instruction_t* find_lp(libIRDB::Instruction_t*) const =0;
-
- static std::unique_ptr<split_eh_frame_t> factory(libIRDB::FileIR_t *firp);
};
@@ -371,32 +369,32 @@ class split_eh_frame_impl_t : public split_eh_frame_t
{
private:
+/*
libIRDB::FileIR_t* firp;
libIRDB::DataScoop_t* eh_frame_scoop;
libIRDB::DataScoop_t* eh_frame_hdr_scoop;
libIRDB::DataScoop_t* gcc_except_table_scoop;
OffsetMap_t offset_to_insn_map;
+*/
std::vector<cie_contents_t <ptrsize> > cies;
std::set<fde_contents_t <ptrsize> > fdes;
- bool init_offset_map();
-
bool iterate_fdes();
public:
+/*
split_eh_frame_impl_t(libIRDB::FileIR_t* p_firp);
+*/
bool parse();
void print() const;
- void build_ir() const;
- libIRDB::Instruction_t* find_lp(libIRDB::Instruction_t*) const ;
};
-void split_eh_frame(libIRDB::FileIR_t* firp);
-
+}
#endif
+
diff --git a/src/ehp_dwarf2.hpp b/src/ehp_dwarf2.hpp
new file mode 100644
index 0000000000000000000000000000000000000000..6917b1457496310a34a8d33508e9ff89f062e56c
--- /dev/null
+++ b/src/ehp_dwarf2.hpp
@@ -0,0 +1,595 @@
+/* Declarations and definitions of codes relating to the DWARF2 symbolic
+ debugging information format.
+ Copyright (C) 1992-2014 Free Software Foundation, Inc.
+ Contributed by Gary Funck (gary@intrepid.com). Derived from the
+ DWARF 1 implementation written by Ron Guilmette (rfg@monkeys.com).
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _DWARF2_H
+#define _DWARF2_H 1
+
+/* This file is derived from the DWARF specification (a public document)
+ Revision 2.0.0 (July 27, 1993) developed by the UNIX International
+ Programming Languages Special Interest Group (UI/PLSIG) and distributed
+ by UNIX International. Copies of this specification are available from
+ UNIX International, 20 Waterview Boulevard, Parsippany, NJ, 07054. */
+
+/* This file is shared between GCC and GDB, and should not contain
+ prototypes. */
+
+#ifndef __ASSEMBLER__
+/* Tag names and codes. */
+
+enum dwarf_tag
+ {
+ DW_TAG_padding = 0x00,
+ DW_TAG_array_type = 0x01,
+ DW_TAG_class_type = 0x02,
+ DW_TAG_entry_point = 0x03,
+ DW_TAG_enumeration_type = 0x04,
+ DW_TAG_formal_parameter = 0x05,
+ DW_TAG_imported_declaration = 0x08,
+ DW_TAG_label = 0x0a,
+ DW_TAG_lexical_block = 0x0b,
+ DW_TAG_member = 0x0d,
+ DW_TAG_pointer_type = 0x0f,
+ DW_TAG_reference_type = 0x10,
+ DW_TAG_compile_unit = 0x11,
+ DW_TAG_string_type = 0x12,
+ DW_TAG_structure_type = 0x13,
+ DW_TAG_subroutine_type = 0x15,
+ DW_TAG_typedef = 0x16,
+ DW_TAG_union_type = 0x17,
+ DW_TAG_unspecified_parameters = 0x18,
+ DW_TAG_variant = 0x19,
+ DW_TAG_common_block = 0x1a,
+ DW_TAG_common_inclusion = 0x1b,
+ DW_TAG_inheritance = 0x1c,
+ DW_TAG_inlined_subroutine = 0x1d,
+ DW_TAG_module = 0x1e,
+ DW_TAG_ptr_to_member_type = 0x1f,
+ DW_TAG_set_type = 0x20,
+ DW_TAG_subrange_type = 0x21,
+ DW_TAG_with_stmt = 0x22,
+ DW_TAG_access_declaration = 0x23,
+ DW_TAG_base_type = 0x24,
+ DW_TAG_catch_block = 0x25,
+ DW_TAG_const_type = 0x26,
+ DW_TAG_constant = 0x27,
+ DW_TAG_enumerator = 0x28,
+ DW_TAG_file_type = 0x29,
+ DW_TAG_friend = 0x2a,
+ DW_TAG_namelist = 0x2b,
+ DW_TAG_namelist_item = 0x2c,
+ DW_TAG_packed_type = 0x2d,
+ DW_TAG_subprogram = 0x2e,
+ DW_TAG_template_type_param = 0x2f,
+ DW_TAG_template_value_param = 0x30,
+ DW_TAG_thrown_type = 0x31,
+ DW_TAG_try_block = 0x32,
+ DW_TAG_variant_part = 0x33,
+ DW_TAG_variable = 0x34,
+ DW_TAG_volatile_type = 0x35,
+ /* SGI/MIPS Extensions */
+ DW_TAG_MIPS_loop = 0x4081,
+ /* GNU extensions */
+ DW_TAG_format_label = 0x4101, /* for FORTRAN 77 and Fortran 90 */
+ DW_TAG_function_template = 0x4102, /* for C++ */
+ DW_TAG_class_template = 0x4103, /* for C++ */
+ DW_TAG_GNU_BINCL = 0x4104,
+ DW_TAG_GNU_EINCL = 0x4105
+ };
+
+#define DW_TAG_lo_user 0x4080
+#define DW_TAG_hi_user 0xffff
+
+/* flag that tells whether entry has a child or not */
+#define DW_children_no 0
+#define DW_children_yes 1
+
+/* Form names and codes. */
+enum dwarf_form
+ {
+ DW_FORM_addr = 0x01,
+ DW_FORM_block2 = 0x03,
+ DW_FORM_block4 = 0x04,
+ DW_FORM_data2 = 0x05,
+ DW_FORM_data4 = 0x06,
+ DW_FORM_data8 = 0x07,
+ DW_FORM_string = 0x08,
+ DW_FORM_block = 0x09,
+ DW_FORM_block1 = 0x0a,
+ DW_FORM_data1 = 0x0b,
+ DW_FORM_flag = 0x0c,
+ DW_FORM_sdata = 0x0d,
+ DW_FORM_strp = 0x0e,
+ DW_FORM_udata = 0x0f,
+ DW_FORM_ref_addr = 0x10,
+ DW_FORM_ref1 = 0x11,
+ DW_FORM_ref2 = 0x12,
+ DW_FORM_ref4 = 0x13,
+ DW_FORM_ref8 = 0x14,
+ DW_FORM_ref_udata = 0x15,
+ DW_FORM_indirect = 0x16
+ };
+
+/* Attribute names and codes. */
+
+enum dwarf_attribute
+ {
+ DW_AT_sibling = 0x01,
+ DW_AT_location = 0x02,
+ DW_AT_name = 0x03,
+ DW_AT_ordering = 0x09,
+ DW_AT_subscr_data = 0x0a,
+ DW_AT_byte_size = 0x0b,
+ DW_AT_bit_offset = 0x0c,
+ DW_AT_bit_size = 0x0d,
+ DW_AT_element_list = 0x0f,
+ DW_AT_stmt_list = 0x10,
+ DW_AT_low_pc = 0x11,
+ DW_AT_high_pc = 0x12,
+ DW_AT_language = 0x13,
+ DW_AT_member = 0x14,
+ DW_AT_discr = 0x15,
+ DW_AT_discr_value = 0x16,
+ DW_AT_visibility = 0x17,
+ DW_AT_import = 0x18,
+ DW_AT_string_length = 0x19,
+ DW_AT_common_reference = 0x1a,
+ DW_AT_comp_dir = 0x1b,
+ DW_AT_const_value = 0x1c,
+ DW_AT_containing_type = 0x1d,
+ DW_AT_default_value = 0x1e,
+ DW_AT_inline = 0x20,
+ DW_AT_is_optional = 0x21,
+ DW_AT_lower_bound = 0x22,
+ DW_AT_producer = 0x25,
+ DW_AT_prototyped = 0x27,
+ DW_AT_return_addr = 0x2a,
+ DW_AT_start_scope = 0x2c,
+ DW_AT_stride_size = 0x2e,
+ DW_AT_upper_bound = 0x2f,
+ DW_AT_abstract_origin = 0x31,
+ DW_AT_accessibility = 0x32,
+ DW_AT_address_class = 0x33,
+ DW_AT_artificial = 0x34,
+ DW_AT_base_types = 0x35,
+ DW_AT_calling_convention = 0x36,
+ DW_AT_count = 0x37,
+ DW_AT_data_member_location = 0x38,
+ DW_AT_decl_column = 0x39,
+ DW_AT_decl_file = 0x3a,
+ DW_AT_decl_line = 0x3b,
+ DW_AT_declaration = 0x3c,
+ DW_AT_discr_list = 0x3d,
+ DW_AT_encoding = 0x3e,
+ DW_AT_external = 0x3f,
+ DW_AT_frame_base = 0x40,
+ DW_AT_friend = 0x41,
+ DW_AT_identifier_case = 0x42,
+ DW_AT_macro_info = 0x43,
+ DW_AT_namelist_items = 0x44,
+ DW_AT_priority = 0x45,
+ DW_AT_segment = 0x46,
+ DW_AT_specification = 0x47,
+ DW_AT_static_link = 0x48,
+ DW_AT_type = 0x49,
+ DW_AT_use_location = 0x4a,
+ DW_AT_variable_parameter = 0x4b,
+ DW_AT_virtuality = 0x4c,
+ DW_AT_vtable_elem_location = 0x4d,
+ /* SGI/MIPS Extensions */
+ DW_AT_MIPS_fde = 0x2001,
+ DW_AT_MIPS_loop_begin = 0x2002,
+ DW_AT_MIPS_tail_loop_begin = 0x2003,
+ DW_AT_MIPS_epilog_begin = 0x2004,
+ DW_AT_MIPS_loop_unroll_factor = 0x2005,
+ DW_AT_MIPS_software_pipeline_depth = 0x2006,
+ DW_AT_MIPS_linkage_name = 0x2007,
+ DW_AT_MIPS_stride = 0x2008,
+ DW_AT_MIPS_abstract_name = 0x2009,
+ DW_AT_MIPS_clone_origin = 0x200a,
+ DW_AT_MIPS_has_inlines = 0x200b,
+ /* GNU extensions. */
+ DW_AT_sf_names = 0x2101,
+ DW_AT_src_info = 0x2102,
+ DW_AT_mac_info = 0x2103,
+ DW_AT_src_coords = 0x2104,
+ DW_AT_body_begin = 0x2105,
+ DW_AT_body_end = 0x2106
+ };
+
+#define DW_AT_lo_user 0x2000 /* implementation-defined range start */
+#define DW_AT_hi_user 0x3ff0 /* implementation-defined range end */
+
+/* Location atom names and codes. */
+
+enum dwarf_location_atom
+ {
+ DW_OP_addr = 0x03,
+ DW_OP_deref = 0x06,
+ DW_OP_const1u = 0x08,
+ DW_OP_const1s = 0x09,
+ DW_OP_const2u = 0x0a,
+ DW_OP_const2s = 0x0b,
+ DW_OP_const4u = 0x0c,
+ DW_OP_const4s = 0x0d,
+ DW_OP_const8u = 0x0e,
+ DW_OP_const8s = 0x0f,
+ DW_OP_constu = 0x10,
+ DW_OP_consts = 0x11,
+ DW_OP_dup = 0x12,
+ DW_OP_drop = 0x13,
+ DW_OP_over = 0x14,
+ DW_OP_pick = 0x15,
+ DW_OP_swap = 0x16,
+ DW_OP_rot = 0x17,
+ DW_OP_xderef = 0x18,
+ DW_OP_abs = 0x19,
+ DW_OP_and = 0x1a,
+ DW_OP_div = 0x1b,
+ DW_OP_minus = 0x1c,
+ DW_OP_mod = 0x1d,
+ DW_OP_mul = 0x1e,
+ DW_OP_neg = 0x1f,
+ DW_OP_not = 0x20,
+ DW_OP_or = 0x21,
+ DW_OP_plus = 0x22,
+ DW_OP_plus_uconst = 0x23,
+ DW_OP_shl = 0x24,
+ DW_OP_shr = 0x25,
+ DW_OP_shra = 0x26,
+ DW_OP_xor = 0x27,
+ DW_OP_bra = 0x28,
+ DW_OP_eq = 0x29,
+ DW_OP_ge = 0x2a,
+ DW_OP_gt = 0x2b,
+ DW_OP_le = 0x2c,
+ DW_OP_lt = 0x2d,
+ DW_OP_ne = 0x2e,
+ DW_OP_skip = 0x2f,
+ DW_OP_lit0 = 0x30,
+ DW_OP_lit1 = 0x31,
+ DW_OP_lit2 = 0x32,
+ DW_OP_lit3 = 0x33,
+ DW_OP_lit4 = 0x34,
+ DW_OP_lit5 = 0x35,
+ DW_OP_lit6 = 0x36,
+ DW_OP_lit7 = 0x37,
+ DW_OP_lit8 = 0x38,
+ DW_OP_lit9 = 0x39,
+ DW_OP_lit10 = 0x3a,
+ DW_OP_lit11 = 0x3b,
+ DW_OP_lit12 = 0x3c,
+ DW_OP_lit13 = 0x3d,
+ DW_OP_lit14 = 0x3e,
+ DW_OP_lit15 = 0x3f,
+ DW_OP_lit16 = 0x40,
+ DW_OP_lit17 = 0x41,
+ DW_OP_lit18 = 0x42,
+ DW_OP_lit19 = 0x43,
+ DW_OP_lit20 = 0x44,
+ DW_OP_lit21 = 0x45,
+ DW_OP_lit22 = 0x46,
+ DW_OP_lit23 = 0x47,
+ DW_OP_lit24 = 0x48,
+ DW_OP_lit25 = 0x49,
+ DW_OP_lit26 = 0x4a,
+ DW_OP_lit27 = 0x4b,
+ DW_OP_lit28 = 0x4c,
+ DW_OP_lit29 = 0x4d,
+ DW_OP_lit30 = 0x4e,
+ DW_OP_lit31 = 0x4f,
+ DW_OP_reg0 = 0x50,
+ DW_OP_reg1 = 0x51,
+ DW_OP_reg2 = 0x52,
+ DW_OP_reg3 = 0x53,
+ DW_OP_reg4 = 0x54,
+ DW_OP_reg5 = 0x55,
+ DW_OP_reg6 = 0x56,
+ DW_OP_reg7 = 0x57,
+ DW_OP_reg8 = 0x58,
+ DW_OP_reg9 = 0x59,
+ DW_OP_reg10 = 0x5a,
+ DW_OP_reg11 = 0x5b,
+ DW_OP_reg12 = 0x5c,
+ DW_OP_reg13 = 0x5d,
+ DW_OP_reg14 = 0x5e,
+ DW_OP_reg15 = 0x5f,
+ DW_OP_reg16 = 0x60,
+ DW_OP_reg17 = 0x61,
+ DW_OP_reg18 = 0x62,
+ DW_OP_reg19 = 0x63,
+ DW_OP_reg20 = 0x64,
+ DW_OP_reg21 = 0x65,
+ DW_OP_reg22 = 0x66,
+ DW_OP_reg23 = 0x67,
+ DW_OP_reg24 = 0x68,
+ DW_OP_reg25 = 0x69,
+ DW_OP_reg26 = 0x6a,
+ DW_OP_reg27 = 0x6b,
+ DW_OP_reg28 = 0x6c,
+ DW_OP_reg29 = 0x6d,
+ DW_OP_reg30 = 0x6e,
+ DW_OP_reg31 = 0x6f,
+ DW_OP_breg0 = 0x70,
+ DW_OP_breg1 = 0x71,
+ DW_OP_breg2 = 0x72,
+ DW_OP_breg3 = 0x73,
+ DW_OP_breg4 = 0x74,
+ DW_OP_breg5 = 0x75,
+ DW_OP_breg6 = 0x76,
+ DW_OP_breg7 = 0x77,
+ DW_OP_breg8 = 0x78,
+ DW_OP_breg9 = 0x79,
+ DW_OP_breg10 = 0x7a,
+ DW_OP_breg11 = 0x7b,
+ DW_OP_breg12 = 0x7c,
+ DW_OP_breg13 = 0x7d,
+ DW_OP_breg14 = 0x7e,
+ DW_OP_breg15 = 0x7f,
+ DW_OP_breg16 = 0x80,
+ DW_OP_breg17 = 0x81,
+ DW_OP_breg18 = 0x82,
+ DW_OP_breg19 = 0x83,
+ DW_OP_breg20 = 0x84,
+ DW_OP_breg21 = 0x85,
+ DW_OP_breg22 = 0x86,
+ DW_OP_breg23 = 0x87,
+ DW_OP_breg24 = 0x88,
+ DW_OP_breg25 = 0x89,
+ DW_OP_breg26 = 0x8a,
+ DW_OP_breg27 = 0x8b,
+ DW_OP_breg28 = 0x8c,
+ DW_OP_breg29 = 0x8d,
+ DW_OP_breg30 = 0x8e,
+ DW_OP_breg31 = 0x8f,
+ DW_OP_regx = 0x90,
+ DW_OP_fbreg = 0x91,
+ DW_OP_bregx = 0x92,
+ DW_OP_piece = 0x93,
+ DW_OP_deref_size = 0x94,
+ DW_OP_xderef_size = 0x95,
+ DW_OP_nop = 0x96
+ };
+
+#define DW_OP_lo_user 0x80 /* implementation-defined range start */
+#define DW_OP_hi_user 0xff /* implementation-defined range end */
+
+/* Type encodings. */
+
+enum dwarf_type
+ {
+ DW_ATE_void = 0x0,
+ DW_ATE_address = 0x1,
+ DW_ATE_boolean = 0x2,
+ DW_ATE_complex_float = 0x3,
+ DW_ATE_float = 0x4,
+ DW_ATE_signed = 0x5,
+ DW_ATE_signed_char = 0x6,
+ DW_ATE_unsigned = 0x7,
+ DW_ATE_unsigned_char = 0x8
+ };
+
+#define DW_ATE_lo_user 0x80
+#define DW_ATE_hi_user 0xff
+
+/* Array ordering names and codes. */
+enum dwarf_array_dim_ordering
+ {
+ DW_ORD_row_major = 0,
+ DW_ORD_col_major = 1
+ };
+
+/* access attribute */
+enum dwarf_access_attribute
+ {
+ DW_ACCESS_public = 1,
+ DW_ACCESS_protected = 2,
+ DW_ACCESS_private = 3
+ };
+
+/* visibility */
+enum dwarf_visibility_attribute
+ {
+ DW_VIS_local = 1,
+ DW_VIS_exported = 2,
+ DW_VIS_qualified = 3
+ };
+
+/* virtuality */
+enum dwarf_virtuality_attribute
+ {
+ DW_VIRTUALITY_none = 0,
+ DW_VIRTUALITY_virtual = 1,
+ DW_VIRTUALITY_pure_virtual = 2
+ };
+
+/* case sensitivity */
+enum dwarf_id_case
+ {
+ DW_ID_case_sensitive = 0,
+ DW_ID_up_case = 1,
+ DW_ID_down_case = 2,
+ DW_ID_case_insensitive = 3
+ };
+
+/* calling convention */
+enum dwarf_calling_convention
+ {
+ DW_CC_normal = 0x1,
+ DW_CC_program = 0x2,
+ DW_CC_nocall = 0x3
+ };
+
+#define DW_CC_lo_user 0x40
+#define DW_CC_hi_user 0xff
+
+/* inline attribute */
+enum dwarf_inline_attribute
+ {
+ DW_INL_not_inlined = 0,
+ DW_INL_inlined = 1,
+ DW_INL_declared_not_inlined = 2,
+ DW_INL_declared_inlined = 3
+ };
+
+/* discriminant lists */
+enum dwarf_discrim_list
+ {
+ DW_DSC_label = 0,
+ DW_DSC_range = 1
+ };
+
+/* line number opcodes */
+enum dwarf_line_number_ops
+ {
+ DW_LNS_extended_op = 0,
+ DW_LNS_copy = 1,
+ DW_LNS_advance_pc = 2,
+ DW_LNS_advance_line = 3,
+ DW_LNS_set_file = 4,
+ DW_LNS_set_column = 5,
+ DW_LNS_negate_stmt = 6,
+ DW_LNS_set_basic_block = 7,
+ DW_LNS_const_add_pc = 8,
+ DW_LNS_fixed_advance_pc = 9
+ };
+
+/* line number extended opcodes */
+enum dwarf_line_number_x_ops
+ {
+ DW_LNE_end_sequence = 1,
+ DW_LNE_set_address = 2,
+ DW_LNE_define_file = 3
+ };
+
+/* call frame information */
+enum dwarf_call_frame_info
+ {
+ DW_CFA_advance_loc = 0x40,
+ DW_CFA_offset = 0x80,
+ DW_CFA_restore = 0xc0,
+ DW_CFA_nop = 0x00,
+ DW_CFA_set_loc = 0x01,
+ DW_CFA_advance_loc1 = 0x02,
+ DW_CFA_advance_loc2 = 0x03,
+ DW_CFA_advance_loc4 = 0x04,
+ DW_CFA_offset_extended = 0x05,
+ DW_CFA_restore_extended = 0x06,
+ DW_CFA_undefined = 0x07,
+ DW_CFA_same_value = 0x08,
+ DW_CFA_register = 0x09,
+ DW_CFA_remember_state = 0x0a,
+ DW_CFA_restore_state = 0x0b,
+ DW_CFA_def_cfa = 0x0c,
+ DW_CFA_def_cfa_register = 0x0d,
+ DW_CFA_def_cfa_offset = 0x0e,
+ DW_CFA_def_cfa_expression = 0x0f,
+ DW_CFA_expression = 0x10,
+ /* Dwarf 2.1 */
+ DW_CFA_offset_extended_sf = 0x11,
+ DW_CFA_def_cfa_sf = 0x12,
+ DW_CFA_def_cfa_offset_sf = 0x13,
+ /* added by jdh for newer version of dwarf? libc uses this in ubuntu 14.04 */
+ DW_CFA_val_offset = 0x14,
+ DW_CFA_val_offset_sf = 0x15,
+ DW_CFA_val_expression = 0x16,
+
+
+ /* SGI/MIPS specific */
+ DW_CFA_MIPS_advance_loc8 = 0x1d,
+
+ /* GNU extensions */
+ DW_CFA_GNU_window_save = 0x2d,
+ DW_CFA_GNU_args_size = 0x2e,
+ DW_CFA_GNU_negative_offset_extended = 0x2f
+ };
+
+#define DW_CIE_ID 0xffffffff
+#define DW_CIE_VERSION 1
+
+#define DW_CFA_extended 0
+#define DW_CFA_low_user 0x1c
+#define DW_CFA_high_user 0x3f
+
+#define DW_CHILDREN_no 0x00
+#define DW_CHILDREN_yes 0x01
+
+#define DW_ADDR_none 0
+
+/* Source language names and codes. */
+
+enum dwarf_source_language
+ {
+ DW_LANG_C89 = 0x0001,
+ DW_LANG_C = 0x0002,
+ DW_LANG_Ada83 = 0x0003,
+ DW_LANG_C_plus_plus = 0x0004,
+ DW_LANG_Cobol74 = 0x0005,
+ DW_LANG_Cobol85 = 0x0006,
+ DW_LANG_Fortran77 = 0x0007,
+ DW_LANG_Fortran90 = 0x0008,
+ DW_LANG_Pascal83 = 0x0009,
+ DW_LANG_Modula2 = 0x000a,
+ DW_LANG_Java = 0x000b,
+ DW_LANG_Mips_Assembler = 0x8001
+ };
+
+
+#define DW_LANG_lo_user 0x8000 /* implementation-defined range start */
+#define DW_LANG_hi_user 0xffff /* implementation-defined range start */
+
+/* Names and codes for macro information. */
+
+enum dwarf_macinfo_record_type
+ {
+ DW_MACINFO_define = 1,
+ DW_MACINFO_undef = 2,
+ DW_MACINFO_start_file = 3,
+ DW_MACINFO_end_file = 4,
+ DW_MACINFO_vendor_ext = 255
+ };
+
+#endif /* !ASSEMBLER */
+
+/* @@@ For use with GNU frame unwind information. */
+
+#define DW_EH_PE_absptr 0x00
+#define DW_EH_PE_omit 0xff
+
+#define DW_EH_PE_uleb128 0x01
+#define DW_EH_PE_udata2 0x02
+#define DW_EH_PE_udata4 0x03
+#define DW_EH_PE_udata8 0x04
+#define DW_EH_PE_sleb128 0x09
+#define DW_EH_PE_sdata2 0x0A
+#define DW_EH_PE_sdata4 0x0B
+#define DW_EH_PE_sdata8 0x0C
+#define DW_EH_PE_signed 0x08
+
+#define DW_EH_PE_pcrel 0x10
+#define DW_EH_PE_textrel 0x20
+#define DW_EH_PE_datarel 0x30
+#define DW_EH_PE_funcrel 0x40
+#define DW_EH_PE_aligned 0x50
+
+#define DW_EH_PE_indirect 0x80
+
+#endif /* dwarf2.h */