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[Qemu-devel] [PATCH 16/43] windbg: generate ExceptionStateChange
From: |
Mihail Abakumov |
Subject: |
[Qemu-devel] [PATCH 16/43] windbg: generate ExceptionStateChange |
Date: |
Tue, 26 Sep 2017 14:05:36 +0300 |
User-agent: |
StGit/0.17.1-dirty |
Added function for generate ExceptionStateChange packet.
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 | 3 +++
windbgstub-utils.c | 21 ++++++++++++++++++++-
2 files changed, 23 insertions(+), 1 deletion(-)
diff --git a/include/exec/windbgstub-utils.h b/include/exec/windbgstub-utils.h
index 791721d472..0b859cd6a8 100755
--- a/include/exec/windbgstub-utils.h
+++ b/include/exec/windbgstub-utils.h
@@ -101,6 +101,9 @@ typedef struct SizedBuf {
buf.data = NULL; \
buf.size = 0; \
} while (false)
+
+SizedBuf kd_gen_exception_sc(CPUState *cpu);
+
bool windbg_on_load(void);
void windbg_on_exit(void);
diff --git a/windbgstub-utils.c b/windbgstub-utils.c
index 60f6705f7c..48d09ff424 100755
--- a/windbgstub-utils.c
+++ b/windbgstub-utils.c
@@ -34,7 +34,6 @@ 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)
{
@@ -83,6 +82,26 @@ static void kd_init_state_change(CPUState *cpu,
}
}
+SizedBuf kd_gen_exception_sc(CPUState *cpu)
+{
+ CPUArchState *env = cpu->env_ptr;
+ SizedBuf buf;
+ SBUF_MALLOC(buf, sizeof(DBGKD_ANY_WAIT_STATE_CHANGE) + sizeof(int));
+
+ DBGKD_ANY_WAIT_STATE_CHANGE *sc = (DBGKD_ANY_WAIT_STATE_CHANGE *) buf.data;
+ kd_init_state_change(cpu, sc);
+
+ sc->NewState = DbgKdExceptionStateChange;
+ sc->NewState = ldl_p(&sc->NewState);
+
+ DBGKM_EXCEPTION_RECORD64 *exc = &sc->u.Exception.ExceptionRecord;
+ exc->ExceptionCode = 0x80000003;
+ exc->ExceptionCode = ldl_p(&exc->ExceptionCode);
+ exc->ExceptionAddress = ldtul_p(&env->eip);
+
+ return buf;
+}
+
bool windbg_on_load(void)
{
CPUState *cpu = qemu_get_cpu(0);
- [Qemu-devel] [PATCH 06/43] windbg: added WindbgState, (continued)
- [Qemu-devel] [PATCH 06/43] windbg: added WindbgState, Mihail Abakumov, 2017/09/26
- [Qemu-devel] [PATCH 07/43] windbg: added chardev, Mihail Abakumov, 2017/09/26
- [Qemu-devel] [PATCH 09/43] windbg: handler of fs/gs register, Mihail Abakumov, 2017/09/26
- [Qemu-devel] [PATCH 08/43] windbg: hook to wrmsr operation, Mihail Abakumov, 2017/09/26
- [Qemu-devel] [PATCH 10/43] windbg: structures for parsing data stream, Mihail Abakumov, 2017/09/26
- [Qemu-devel] [PATCH 12/43] windbg: send data and control packets, Mihail Abakumov, 2017/09/26
- [Qemu-devel] [PATCH 13/43] windbg: handler of parsing context, Mihail Abakumov, 2017/09/26
- [Qemu-devel] [PATCH 11/43] windbg: parsing data stream, Mihail Abakumov, 2017/09/26
- [Qemu-devel] [PATCH 14/43] windbg: init DBGKD_ANY_WAIT_STATE_CHANGE, Mihail Abakumov, 2017/09/26
- [Qemu-devel] [PATCH 15/43] windbg: sized data buffer, Mihail Abakumov, 2017/09/26
- [Qemu-devel] [PATCH 16/43] windbg: generate ExceptionStateChange,
Mihail Abakumov <=
- [Qemu-devel] [PATCH 17/43] windbg: generate LoadSymbolsStateChange, Mihail Abakumov, 2017/09/26
- [Qemu-devel] [PATCH 18/43] windbg: windbg_vm_stop, Mihail Abakumov, 2017/09/26
- [Qemu-devel] [PATCH 19/43] windbg: implemented windbg_process_control_packet, Mihail Abakumov, 2017/09/26
- [Qemu-devel] [PATCH 20/43] windbg: implemented windbg_process_data_packet, Mihail Abakumov, 2017/09/26
- [Qemu-devel] [PATCH 21/43] windbg: implemented windbg_process_manipulate_packet, Mihail Abakumov, 2017/09/26
- [Qemu-devel] [PATCH 22/43] windbg: implemented kd_api_read_virtual_memory and kd_api_read_virtual_memory, Mihail Abakumov, 2017/09/26
- [Qemu-devel] [PATCH 23/43] windbg: kernel's structures, Mihail Abakumov, 2017/09/26
- [Qemu-devel] [PATCH 24/43] windbg: implemented kd_api_get_context and kd_api_set_context, Mihail Abakumov, 2017/09/26
- [Qemu-devel] [PATCH 25/43] windbg: implemented kd_api_read_control_space and kd_api_write_control_space, Mihail Abakumov, 2017/09/26
- [Qemu-devel] [PATCH 26/43] windbg: implemented windbg_read_context, Mihail Abakumov, 2017/09/26