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[Qemu-devel] [PATCH v4 14/46] windbg: init DBGKD_ANY_WAIT_STATE_CHANGE
From: |
Mihail Abakumov |
Subject: |
[Qemu-devel] [PATCH v4 14/46] windbg: init DBGKD_ANY_WAIT_STATE_CHANGE |
Date: |
Mon, 11 Dec 2017 16:22:37 +0300 |
User-agent: |
StGit/0.17.1-dirty |
Added function for init DBGKD_ANY_WAIT_STATE_CHANGE. It is a header of 'state
change' packets.
Signed-off-by: Mihail Abakumov <address@hidden>
Signed-off-by: Pavel Dovgalyuk <address@hidden>
Signed-off-by: Dmitriy Koltunov <address@hidden>
---
include/exec/windbgstub-utils.h | 8 ++++++
target/i386/windbgstub.c | 49 +++++++++++++++++++++++++++++++++++++++
2 files changed, 57 insertions(+)
diff --git a/include/exec/windbgstub-utils.h b/include/exec/windbgstub-utils.h
index b7e65faefe..830d01314e 100755
--- a/include/exec/windbgstub-utils.h
+++ b/include/exec/windbgstub-utils.h
@@ -42,6 +42,14 @@
_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 SizedBuf {
uint8_t *data;
size_t size;
diff --git a/target/i386/windbgstub.c b/target/i386/windbgstub.c
index 47ee5840ef..a3c433f756 100755
--- a/target/i386/windbgstub.c
+++ b/target/i386/windbgstub.c
@@ -17,9 +17,13 @@
#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
bool windbg_on_load(void)
@@ -66,4 +70,49 @@ bool windbg_on_load(void)
return true;
}
+__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;
+ InitedAddr *KPCR = windbg_get_KPCR();
+ target_ulong KPRCB;
+ int err = 0;
+
+ /* T0D0: HEADER */
+
+ sc->Processor = 0;
+
+ sc->NumberProcessors = 0;
+ CPUState *cpu_tmp;
+ CPU_FOREACH(cpu_tmp) {
+ sc->NumberProcessors++;
+ }
+ stl_p(&sc->NumberProcessors, sc->NumberProcessors);
+
+ KPRCB = READ_VMEM(cpu, KPCR->addr + OFFSET_KPRCB, target_ulong);
+ sc->Thread = READ_VMEM(cpu, KPRCB + OFFSET_KPRCB_CURRTHREAD, target_ulong);
+ sttul_p(&sc->Thread, sc->Thread);
+ sttul_p(&sc->ProgramCounter, env->eip);
+
+ /* T0D0: CONTROL REPORT */
+
+ sttul_p(&cr->Dr6, env->dr[6]);
+ sttul_p(&cr->Dr7, env->dr[7]);
+ stw_p(&cr->ReportFlags, REPORT_INCLUDES_SEGS | REPORT_STANDARD_CS);
+ stw_p(&cr->SegCs, env->segs[R_CS].selector);
+ stw_p(&cr->SegDs, env->segs[R_DS].selector);
+ stw_p(&cr->SegEs, env->segs[R_ES].selector);
+ stw_p(&cr->SegFs, env->segs[R_FS].selector);
+ stl_p(&cr->EFlags, env->eflags);
+
+ err = cpu_memory_rw_debug(cpu, sc->ProgramCounter,
+ PTR(cr->InstructionStream[0]),
+ DBGKD_MAXSTREAM, 0);
+ if (!err) {
+ stw_p(&cr->InstructionCount, DBGKD_MAXSTREAM);
+ }
+}
+
#endif
- [Qemu-devel] [PATCH v4 04/46] windbg: added '-windbg' option, (continued)
- [Qemu-devel] [PATCH v4 04/46] windbg: added '-windbg' option, Mihail Abakumov, 2017/12/11
- [Qemu-devel] [PATCH v4 05/46] windbg: added helper features, Mihail Abakumov, 2017/12/11
- [Qemu-devel] [PATCH v4 06/46] windbg: added WindbgState, Mihail Abakumov, 2017/12/11
- [Qemu-devel] [PATCH v4 07/46] windbg: added chardev, Mihail Abakumov, 2017/12/11
- [Qemu-devel] [PATCH v4 08/46] windbg: hook to wrmsr operation, Mihail Abakumov, 2017/12/11
- [Qemu-devel] [PATCH v4 09/46] windbg: handler of fs/gs register, Mihail Abakumov, 2017/12/11
- [Qemu-devel] [PATCH v4 10/46] windbg: structures for parsing data stream, Mihail Abakumov, 2017/12/11
- [Qemu-devel] [PATCH v4 11/46] windbg: parsing data stream, Mihail Abakumov, 2017/12/11
- [Qemu-devel] [PATCH v4 12/46] windbg: send data and control packets, Mihail Abakumov, 2017/12/11
- [Qemu-devel] [PATCH v4 13/46] windbg: handler of parsing context, Mihail Abakumov, 2017/12/11
- [Qemu-devel] [PATCH v4 14/46] windbg: init DBGKD_ANY_WAIT_STATE_CHANGE,
Mihail Abakumov <=
- [Qemu-devel] [PATCH v4 15/46] windbg: generate ExceptionStateChange, Mihail Abakumov, 2017/12/11
- [Qemu-devel] [PATCH v4 16/46] windbg: generate LoadSymbolsStateChange, Mihail Abakumov, 2017/12/11
- [Qemu-devel] [PATCH v4 17/46] windbg: windbg_vm_stop, Mihail Abakumov, 2017/12/11
- [Qemu-devel] [PATCH v4 18/46] windbg: implemented windbg_process_control_packet, Mihail Abakumov, 2017/12/11
- [Qemu-devel] [PATCH v4 19/46] windbg: implemented windbg_process_data_packet, Mihail Abakumov, 2017/12/11
- [Qemu-devel] [PATCH v4 20/46] windbg: implemented windbg_process_manipulate_packet, Mihail Abakumov, 2017/12/11
- [Qemu-devel] [PATCH v4 21/46] windbg: implemented kd_api_read_virtual_memory and kd_api_write_virtual_memory, Mihail Abakumov, 2017/12/11
- [Qemu-devel] [PATCH v4 22/46] windbg: kernel's structures, Mihail Abakumov, 2017/12/11
- [Qemu-devel] [PATCH v4 23/46] windbg: implemented kd_api_get_context and kd_api_set_context, Mihail Abakumov, 2017/12/11
- [Qemu-devel] [PATCH v4 24/46] windbg: implemented kd_api_read_control_space and kd_api_write_control_space, Mihail Abakumov, 2017/12/11