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DBG+GUI: enable/disable memory breakpoints

This commit is contained in:
Mr. eXoDia 2014-08-02 02:18:26 +02:00
parent 6b6fc7634f
commit e85b474b13
6 changed files with 129 additions and 13 deletions
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31
x64_dbg_dbg/debugger.cpp
View File

@ -526,10 +526,7 @@ static bool cbSetModuleBreakpoints(const BREAKPOINT* bp)
{
uint size=0;
memfindbaseaddr(bp->addr, &size);
bool restore=false;
if(!bp->singleshoot)
restore=true;
if(!SetMemoryBPXEx(bp->addr, size, bp->titantype, restore, (void*)cbMemoryBreakpoint))
if(!SetMemoryBPXEx(bp->addr, size, bp->titantype, !bp->singleshoot, (void*)cbMemoryBreakpoint))
dprintf("could not set memory breakpoint "fhex"!\n", bp->addr);
}
break;
@ -1297,6 +1294,32 @@ bool cbDisableAllHardwareBreakpoints(const BREAKPOINT* bp)
return true;
}
bool cbEnableAllMemoryBreakpoints(const BREAKPOINT* bp)
{
if(bp->type!=BPMEMORY or bp->enabled)
return true;
uint size=0;
memfindbaseaddr(bp->addr, &size);
if(!bpenable(bp->addr, BPMEMORY, true) or !SetMemoryBPXEx(bp->addr, size, bp->titantype, !bp->singleshoot, (void*)cbMemoryBreakpoint))
{
dprintf("could not enable memory breakpoint "fhex"\n", bp->addr);
return false;
}
return true;
}
bool cbDisableAllMemoryBreakpoints(const BREAKPOINT* bp)
{
if(bp->type!=BPMEMORY or !bp->enabled)
return true;
if(!bpenable(bp->addr, BPMEMORY, false) or !DeleteHardwareBreakPoint((bp->titantype>>8)&0xF))
{
dprintf("could not disable memory breakpoint "fhex"\n", bp->addr);
return false;
}
return true;
}
bool cbBreakpointList(const BREAKPOINT* bp)
{
const char* type=0;

2
x64_dbg_dbg/debugger.h
View File

@ -62,6 +62,8 @@ bool cbEnableAllBreakpoints(const BREAKPOINT* bp);
bool cbDisableAllBreakpoints(const BREAKPOINT* bp);
bool cbEnableAllHardwareBreakpoints(const BREAKPOINT* bp);
bool cbDisableAllHardwareBreakpoints(const BREAKPOINT* bp);
bool cbEnableAllMemoryBreakpoints(const BREAKPOINT* bp);
bool cbDisableAllMemoryBreakpoints(const BREAKPOINT* bp);
bool cbBreakpointList(const BREAKPOINT* bp);
bool cbDeleteAllMemoryBreakpoints(const BREAKPOINT* bp);
bool cbDeleteAllHardwareBreakpoints(const BREAKPOINT* bp);

101
x64_dbg_dbg/debugger_commands.cpp
View File

@ -298,7 +298,7 @@ CMDRESULT cbDebugEnableBPX(int argc, char* argv[])
{
if(!bpenable(found.addr, BPNORMAL, true) or !SetBPX(found.addr, found.titantype, (void*)cbUserBreakpoint))
{
dprintf("could not enable "fhex"\n", found.addr);
dprintf("could not enable breakpoint "fhex"\n", found.addr);
return STATUS_ERROR;
}
GuiUpdateAllViews();
@ -318,7 +318,7 @@ CMDRESULT cbDebugEnableBPX(int argc, char* argv[])
}
if(!bpenable(found.addr, BPNORMAL, true) or !SetBPX(found.addr, found.titantype, (void*)cbUserBreakpoint))
{
dprintf("could not enable "fhex"\n", found.addr);
dprintf("could not enable breakpoint "fhex"\n", found.addr);
return STATUS_ERROR;
}
dputs("breakpoint enabled!");
@ -347,7 +347,7 @@ CMDRESULT cbDebugDisableBPX(int argc, char* argv[])
{
if(!bpenable(found.addr, BPNORMAL, false) or !DeleteBPX(found.addr))
{
dprintf("could not disable "fhex"\n", found.addr);
dprintf("could not disable breakpoint "fhex"\n", found.addr);
return STATUS_ERROR;
}
GuiUpdateAllViews();
@ -366,7 +366,7 @@ CMDRESULT cbDebugDisableBPX(int argc, char* argv[])
}
if(!bpenable(found.addr, BPNORMAL, false) or !DeleteBPX(found.addr))
{
dprintf("could not disable "fhex"\n", found.addr);
dprintf("could not disable breakpoint "fhex"\n", found.addr);
return STATUS_ERROR;
}
dputs("breakpoint disabled!");
@ -1174,7 +1174,7 @@ CMDRESULT cbDebugEnableHardwareBreakpoint(int argc, char* argv[])
}
if(!bpenable(found.addr, BPHARDWARE, true) or !SetHardwareBreakPoint(found.addr, 0, (found.titantype>>4)&0xF, found.titantype&0xF, (void*)cbHardwareBreakpoint))
{
dprintf("could not enable "fhex"\n", found.addr);
dprintf("could not enable hardware breakpoint "fhex"\n", found.addr);
return STATUS_ERROR;
}
dputs("hardware breakpoint enabled!");
@ -1187,7 +1187,7 @@ CMDRESULT cbDebugDisableHardwareBreakpoint(int argc, char* argv[])
char arg1[deflen]="";
if(!argget(*argv, arg1, 0, true)) //delete all hardware breakpoints
{
if(!bpgetcount(BPNORMAL))
if(!bpgetcount(BPHARDWARE))
{
dputs("no hardware breakpoints to disable!");
return STATUS_CONTINUE;
@ -1212,10 +1212,97 @@ CMDRESULT cbDebugDisableHardwareBreakpoint(int argc, char* argv[])
}
if(!bpenable(found.addr, BPHARDWARE, false) or !DeleteHardwareBreakPoint((found.titantype>>8)&0xF))
{
dprintf("could not disable "fhex"\n", found.addr);
dprintf("could not disable hardware breakpoint "fhex"\n", found.addr);
return STATUS_ERROR;
}
dputs("hardware breakpoint disabled!");
GuiUpdateAllViews();
return STATUS_CONTINUE;
}
CMDRESULT cbDebugEnableMemoryBreakpoint(int argc, char* argv[])
{
char arg1[deflen]="";
DWORD drx=0;
if(!GetUnusedHardwareBreakPointRegister(0))
{
dputs("you can only set 4 hardware breakpoints");
return STATUS_ERROR;
}
if(!argget(*argv, arg1, 0, true)) //enable all memory breakpoints
{
if(!bpgetcount(BPMEMORY))
{
dputs("no hardware breakpoints to enable!");
return STATUS_CONTINUE;
}
if(!bpenumall(cbEnableAllHardwareBreakpoints)) //at least one enable failed
return STATUS_ERROR;
dputs("all memory breakpoints enabled!");
GuiUpdateAllViews();
return STATUS_CONTINUE;
}
BREAKPOINT found;
uint addr=0;
if(!valfromstring(arg1, &addr) or !bpget(addr, BPMEMORY, 0, &found)) //invalid memory breakpoint
{
dprintf("no such memory breakpoint \"%s\"\n", arg1);
return STATUS_ERROR;
}
if(found.enabled)
{
dputs("hardware memory already enabled!");
GuiUpdateAllViews();
return STATUS_CONTINUE;
}
uint size=0;
memfindbaseaddr(found.addr, &size);
if(!bpenable(found.addr, BPMEMORY, true) or !SetMemoryBPXEx(found.addr, size, found.titantype, !found.singleshoot, (void*)cbMemoryBreakpoint))
{
dprintf("could not enable memory breakpoint "fhex"\n", found.addr);
return STATUS_ERROR;
}
dputs("memory breakpoint enabled!");
GuiUpdateAllViews();
return STATUS_CONTINUE;
}
CMDRESULT cbDebugDisableMemoryBreakpoint(int argc, char* argv[])
{
char arg1[deflen]="";
if(!argget(*argv, arg1, 0, true)) //delete all memory breakpoints
{
if(!bpgetcount(BPMEMORY))
{
dputs("no memory breakpoints to disable!");
return STATUS_CONTINUE;
}
if(!bpenumall(cbDisableAllMemoryBreakpoints)) //at least one deletion failed
return STATUS_ERROR;
dputs("all memory breakpoints disabled!");
GuiUpdateAllViews();
return STATUS_CONTINUE;
}
BREAKPOINT found;
uint addr=0;
if(!valfromstring(arg1, &addr) or !bpget(addr, BPMEMORY, 0, &found)) //invalid memory breakpoint
{
dprintf("no such memory breakpoint \"%s\"\n", arg1);
return STATUS_ERROR;
}
if(!found.enabled)
{
dputs("memory breakpoint already disabled!");
return STATUS_CONTINUE;
}
uint size=0;
memfindbaseaddr(found.addr, &size);
if(!bpenable(found.addr, BPMEMORY, false) or !RemoveMemoryBPX(found.addr, size))
{
dprintf("could not disable memory breakpoint "fhex"\n", found.addr);
return STATUS_ERROR;
}
dputs("memory breakpoint disabled!");
GuiUpdateAllViews();
return STATUS_CONTINUE;
}

2
x64_dbg_dbg/debugger_commands.h
View File

@ -48,5 +48,7 @@ CMDRESULT cbDebugKillthread(int argc, char* argv[]);
CMDRESULT cbDebugSetPriority(int argc, char* argv[]);
CMDRESULT cbDebugEnableHardwareBreakpoint(int argc, char* argv[]);
CMDRESULT cbDebugDisableHardwareBreakpoint(int argc, char* argv[]);
CMDRESULT cbDebugEnableMemoryBreakpoint(int argc, char* argv[]);
CMDRESULT cbDebugDisableMemoryBreakpoint(int argc, char* argv[]);
#endif //_DEBUGGER_COMMANDS_H

2
x64_dbg_dbg/x64_dbg.cpp
View File

@ -116,6 +116,8 @@ static void registercommands()
dbgcmdnew("DisableHardwareBreakpoint\1bphd\1bphwd", cbDebugDisableHardwareBreakpoint, true); //disable hardware breakpoint
dbgcmdnew("SetMemoryBPX\1membp\1bpm", cbDebugSetMemoryBpx, true); //SetMemoryBPX
dbgcmdnew("DeleteMemoryBPX\1membpc\1bpmc", cbDebugDeleteMemoryBreakpoint, true); //delete memory breakpoint
dbgcmdnew("EnableMemoryBreakpoint\1membpe\1bpme", cbDebugEnableMemoryBreakpoint, true); //enable memory breakpoint
dbgcmdnew("DisableMemoryBreakpoint\1membpd\1bpmd", cbDebugDisableMemoryBreakpoint, true); //enable memory breakpoint
//variables
dbgcmdnew("varnew\1var", cbInstrVar, false); //make a variable arg1:name,[arg2:value]

4
x64_dbg_gui/Project/Src/Utils/Breakpoints.cpp
View File

@ -69,7 +69,7 @@ void Breakpoints::enableBP(BRIDGEBP bp)
}
else if(bp.type == bp_memory)
{
// Todo
wCmd = "bpme " + QString("%1").arg(bp.addr, sizeof(int_t) * 2, 16, QChar('0')).toUpper();
}
DbgCmdExec(wCmd.toUtf8().constData());
@ -127,7 +127,7 @@ void Breakpoints::disableBP(BRIDGEBP bp)
}
else if(bp.type == bp_memory)
{
// Todo
wCmd = "bpmd " + QString("%1").arg(bp.addr, sizeof(int_t) * 2, 16, QChar('0')).toUpper();
}
DbgCmdExec(wCmd.toUtf8().constData());