@@ -78,6 +78,8 @@ void kd_api_read_virtual_memory(CPUState *cpu, PacketData *pd);
void kd_api_write_virtual_memory(CPUState *cpu, PacketData *pd);
void kd_api_get_context(CPUState *cpu, PacketData *pd);
void kd_api_set_context(CPUState *cpu, PacketData *pd);
+void kd_api_write_breakpoint(CPUState *cpu, PacketData *pd);
+void kd_api_restore_breakpoint(CPUState *cpu, PacketData *pd);
void kd_api_read_control_space(CPUState *cpu, PacketData *pd);
void kd_api_write_control_space(CPUState *cpu, PacketData *pd);
void kd_api_unsupported(CPUState *cpu, PacketData *pd);
@@ -14,6 +14,8 @@
static InitedAddr KPCR;
static InitedAddr version;
+static InitedAddr bps[KD_BREAKPOINT_MAX];
+
InitedAddr *windbg_get_KPCR(void)
{
return &KPCR;
@@ -71,6 +73,66 @@ void kd_api_write_virtual_memory(CPUState *cpu, PacketData *pd)
stl_p(&mem->ActualBytesWritten, len);
}
+void kd_api_write_breakpoint(CPUState *cpu, PacketData *pd)
+{
+ DBGKD_WRITE_BREAKPOINT64 *m64c = &pd->m64.u.WriteBreakPoint;
+ target_ulong addr;
+ int i, err = 0;
+
+ addr = ldtul_p(&m64c->BreakPointAddress);
+
+ for (i = 0; i < KD_BREAKPOINT_MAX; ++i) {
+ if (!bps[i].is_init) {
+ err = cpu_breakpoint_insert(cpu, addr, BP_GDB, NULL);
+ if (!err) {
+ bps[i].addr = addr;
+ bps[i].is_init = true;
+ WINDBG_DEBUG("write_breakpoint: " FMT_ADDR, addr);
+ break;
+ } else {
+ WINDBG_ERROR("write_breakpoint: " FMT_ADDR ", " FMT_ERR,
+ addr, err);
+ pd->m64.ReturnStatus = STATUS_UNSUCCESSFUL;
+ return;
+ }
+ } else if (addr == bps[i].addr) {
+ break;
+ }
+ }
+
+ if (!err) {
+ stl_p(&m64c->BreakPointHandle, i + 1);
+ pd->m64.ReturnStatus = STATUS_SUCCESS;
+ } else {
+ WINDBG_ERROR("write_breakpoint: All breakpoints occupied");
+ pd->m64.ReturnStatus = STATUS_UNSUCCESSFUL;
+ }
+}
+
+void kd_api_restore_breakpoint(CPUState *cpu, PacketData *pd)
+{
+ DBGKD_RESTORE_BREAKPOINT *m64c = &pd->m64.u.RestoreBreakPoint;
+ uint8_t index;
+ int err = -1;
+
+ index = ldtul_p(&m64c->BreakPointHandle) - 1;
+
+ if (bps[index].is_init) {
+ err = cpu_breakpoint_remove(cpu, bps[index].addr, BP_GDB);
+ if (!err) {
+ WINDBG_DEBUG("restore_breakpoint: " FMT_ADDR ", index(%d)",
+ bps[index].addr, index);
+ } else {
+ WINDBG_ERROR("restore_breakpoint: " FMT_ADDR ", index(%d), "
+ FMT_ERR, bps[index].addr, index, err);
+ }
+ bps[index].is_init = false;
+ pd->m64.ReturnStatus = STATUS_SUCCESS;
+ } else {
+ pd->m64.ReturnStatus = STATUS_UNSUCCESSFUL;
+ }
+}
+
void kd_api_unsupported(CPUState *cpu, PacketData *pd)
{
WINDBG_ERROR("Caught unimplemented api %s",
@@ -156,6 +156,14 @@ static void windbg_process_manipulate_packet(ParsingContext *ctx)
kd_api_set_context(cpu, &ctx->data);
break;
+ case DbgKdWriteBreakPointApi:
+ kd_api_write_breakpoint(cpu, &ctx->data);
+ break;
+
+ case DbgKdRestoreBreakPointApi:
+ kd_api_restore_breakpoint(cpu, &ctx->data);
+ break;
+
case DbgKdReadControlSpaceApi:
kd_api_read_control_space(cpu, &ctx->data);
break;
@@ -164,6 +172,9 @@ static void windbg_process_manipulate_packet(ParsingContext *ctx)
kd_api_write_control_space(cpu, &ctx->data);
break;
+ case DbgKdClearAllInternalBreakpointsApi:
+ return;
+
default:
kd_api_unsupported(cpu, &ctx->data);
break;