int gdbr_remove_bp(libgdbr_t* g, uint64_t address) {
return remove_bp (g, address, BREAKPOINT);
}
int gdbr_remove_hwbp(libgdbr_t* g, uint64_t address) {
return remove_bp (g, address, HARDWARE_BREAKPOINT);
}
int gdbr_remove_hwa(libgdbr_t *g, ut64 address, int sizebp) {
return remove_bp (g, address, ACCESS_WATCHPOINT, sizebp);
}
int gdbr_remove_hwr(libgdbr_t *g, ut64 address, int sizebp) {
return remove_bp (g, address, READ_WATCHPOINT, sizebp);
}
int gdbr_remove_hww(libgdbr_t *g, ut64 address, int sizebp) {
return remove_bp (g, address, WRITE_WATCHPOINT, sizebp);
}
int gdbr_remove_hwbp(libgdbr_t *g, ut64 address, int sizebp) {
return remove_bp (g, address, HARDWARE_BREAKPOINT, sizebp);
}
void c_debug_handler(frame_context *frame)
{
char *ptr;
s32 addr,len;
s32 thread,current_thread;
s32 host_has_detached;
frame_context *regptr;
thread = gdbstub_getcurrentthread();
current_thread = thread;
if(current_device->open(current_device)<0) return;
if(dbg_active) {
gdbstub_report_exception(frame,thread);
putpacket(remcomOutBuffer);
}
if(frame->SRR0==(u32)__breakinst) frame->SRR0 += 4;
host_has_detached = 0;
while(!host_has_detached) {
remcomOutBuffer[0]= 0;
getpacket(remcomInBuffer);
switch(remcomInBuffer[0]) {
case '?':
gdbstub_report_exception(frame,thread);
break;
case 'D':
dbg_instep = 0;
dbg_active = 0;
frame->SRR1 &= ~MSR_SE;
strcpy(remcomOutBuffer,"OK");
host_has_detached = 1;
break;
case 'k':
dbg_instep = 0;
dbg_active = 0;
frame->SRR1 &= ~MSR_SE;
frame->SRR0 = 0x80001800;
host_has_detached = 1;
goto exit;
case 'g':
regptr = frame;
ptr = remcomOutBuffer;
if(current_thread!=thread) regptr = ¤t_thread_registers;
ptr = mem2hstr(ptr,(char*)regptr->GPR,32*4);
ptr = mem2hstr(ptr,(char*)regptr->FPR,32*8);
ptr = mem2hstr(ptr,(char*)®ptr->SRR0,4);
ptr = mem2hstr(ptr,(char*)®ptr->SRR1,4);
ptr = mem2hstr(ptr,(char*)®ptr->CR,4);
ptr = mem2hstr(ptr,(char*)®ptr->LR,4);
ptr = mem2hstr(ptr,(char*)®ptr->CTR,4);
ptr = mem2hstr(ptr,(char*)®ptr->XER,4);
ptr = mem2hstr(ptr,(char*)®ptr->FPSCR,4);
break;
case 'm':
ptr = &remcomInBuffer[1];
if(hexToInt(&ptr,&addr) && ((addr&0xC0000000)==0xC0000000 || (addr&0xC0000000)==0x80000000)
&& *ptr++==','
&& hexToInt(&ptr,&len) && len<=((BUFMAX - 4)/2))
mem2hstr(remcomOutBuffer,(void*)addr,len);
else
strcpy(remcomOutBuffer,"E00");
break;
case 'q':
process_query(remcomInBuffer,remcomOutBuffer,thread);
break;
case 'c':
dbg_instep = 0;
dbg_active = 1;
frame->SRR1 &= ~MSR_SE;
current_device->wait(current_device);
goto exit;
case 's':
dbg_instep = 1;
dbg_active = 1;
frame->SRR1 |= MSR_SE;
current_device->wait(current_device);
goto exit;
case 'z':
{
s32 ret,type,len;
char *addr;
ret = parsezbreak(remcomInBuffer,&type,&addr,&len);
if(!ret) {
strcpy(remcomOutBuffer,"E01");
break;
}
if(type!=0) break;
if(len<4) {
strcpy(remcomOutBuffer,"E02");
break;
}
ret = remove_bp(addr);
if(!ret) {
strcpy(remcomOutBuffer,"E03");
break;
}
strcpy(remcomOutBuffer,"OK");
}
break;
case 'H':
if(remcomInBuffer[1]=='g')
{
s32 tmp,ret;
if(vhstr2thread(&remcomInBuffer[2],&tmp)==NULL) {
strcpy(remcomOutBuffer,"E01");
break;
}
if(!tmp) tmp = thread;
if(tmp==current_thread) {
strcpy(remcomOutBuffer,"OK");
break;
}
if(current_thread!=thread) ret = gdbstub_setthreadregs(current_thread,¤t_thread_registers);
if(tmp!=thread) {
ret = gdbstub_getthreadregs(tmp,¤t_thread_registers);
if(!ret) {
strcpy(remcomOutBuffer,"E02");
break;
}
}
current_thread= tmp;
}
strcpy(remcomOutBuffer,"OK");
break;
case 'T':
{
s32 tmp;
if(vhstr2thread(&remcomInBuffer[1],&tmp)==NULL) {
strcpy(remcomOutBuffer,"E01");
break;
}
if(gdbstub_indextoid(tmp)==NULL) strcpy(remcomOutBuffer,"E02");
else strcpy(remcomOutBuffer,"OK");
}
break;
case 'Z':
{
s32 ret,type,len;
char *addr;
ret = parsezbreak(remcomInBuffer,&type,&addr,&len);
if(!ret) {
strcpy(remcomOutBuffer,"E01");
break;
}
if(type!=0) {
strcpy(remcomOutBuffer,"E02");
break;
}
if(len<4) {
strcpy(remcomOutBuffer,"E03");
break;
}
ret = insert_bp(addr);
if(!ret) {
strcpy(remcomOutBuffer,"E04");
break;
}
strcpy(remcomOutBuffer,"OK");
}
break;
}
putpacket(remcomOutBuffer);
}
current_device->close(current_device);
exit:
return;
}
