@@ -62,6 +62,14 @@
_t; \
})
+#if TARGET_LONG_BITS == 64
+# define sttul_p(p, v) stq_p(p, v)
+# define ldtul_p(p) ldq_p(p)
+#else
+# define sttul_p(p, v) stl_p(p, v)
+# define ldtul_p(p) ldl_p(p)
+#endif
+
typedef struct InitedAddr {
target_ulong addr;
bool is_init;
@@ -14,9 +14,13 @@
#ifdef TARGET_X86_64
# define OFFSET_SELF_PCR 0x18
# define OFFSET_VERS 0x108
+# define OFFSET_KPRCB 0x20
+# define OFFSET_KPRCB_CURRTHREAD 0x8
#else
# define OFFSET_SELF_PCR 0x1C
# define OFFSET_VERS 0x34
+# define OFFSET_KPRCB 0x20
+# define OFFSET_KPRCB_CURRTHREAD 0x4
#endif
typedef struct KDData {
@@ -26,6 +30,59 @@ typedef struct KDData {
static KDData *kd;
+static void kd_breakpoint_remove_range(CPUState *cpu, target_ulong base,
+ target_ulong limit)
+{}
+
+__attribute__ ((unused)) /* unused yet */
+static void kd_init_state_change(CPUState *cpu,
+ DBGKD_ANY_WAIT_STATE_CHANGE *sc)
+{
+ CPUArchState *env = cpu->env_ptr;
+ DBGKD_CONTROL_REPORT *cr = &sc->ControlReport;
+ int err = 0;
+
+ /* T0D0: HEADER */
+
+ sc->Processor = 0;
+
+ sc->NumberProcessors = 0;
+ CPUState *cpu_tmp;
+ CPU_FOREACH(cpu_tmp) {
+ sc->NumberProcessors++;
+ }
+ sc->NumberProcessors = ldl_p(&sc->NumberProcessors);
+
+ target_ulong KPRCB = READ_VMEM(cpu, kd->KPCR.addr +
+ OFFSET_KPRCB, target_ulong);
+ sc->Thread = READ_VMEM(cpu, KPRCB + OFFSET_KPRCB_CURRTHREAD,
+ target_ulong);
+ sc->Thread = ldtul_p(&sc->Thread);
+ sc->ProgramCounter = ldtul_p(&env->eip);
+
+ /* T0D0: CONTROL REPORT */
+
+ cr->Dr6 = ldtul_p(&env->dr[6]);
+ cr->Dr7 = ldtul_p(&env->dr[7]);
+ cr->ReportFlags = REPORT_INCLUDES_SEGS | REPORT_STANDARD_CS;
+ cr->ReportFlags = lduw_p(&cr->ReportFlags);
+ cr->SegCs = lduw_p(&env->segs[R_CS].selector);
+ cr->SegDs = lduw_p(&env->segs[R_DS].selector);
+ cr->SegEs = lduw_p(&env->segs[R_ES].selector);
+ cr->SegFs = lduw_p(&env->segs[R_FS].selector);
+ cr->EFlags = ldl_p(&env->eflags);
+
+ err = cpu_memory_rw_debug(cpu, sc->ProgramCounter,
+ PTR(cr->InstructionStream[0]),
+ DBGKD_MAXSTREAM, 0);
+ if (!err) {
+ cr->InstructionCount = DBGKD_MAXSTREAM;
+ cr->InstructionCount = lduw_p(&cr->InstructionCount);
+ kd_breakpoint_remove_range(cpu, sc->ProgramCounter,
+ sc->ProgramCounter + DBGKD_MAXSTREAM);
+ }
+}
+
bool windbg_on_load(void)
{
CPUState *cpu = qemu_get_cpu(0);