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[Qemu-devel] [PATCH v4 23/46] windbg: implemented kd_api_get_context and
From: |
Mihail Abakumov |
Subject: |
[Qemu-devel] [PATCH v4 23/46] windbg: implemented kd_api_get_context and kd_api_set_context |
Date: |
Mon, 11 Dec 2017 16:23:28 +0300 |
User-agent: |
StGit/0.17.1-dirty |
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 | 2 ++
target/i386/windbgstub.c | 39 +++++++++++++++++++++++++++++++++++++++
windbgstub.c | 8 ++++++++
3 files changed, 49 insertions(+)
diff --git a/include/exec/windbgstub-utils.h b/include/exec/windbgstub-utils.h
index 1cee2aed18..d4efabba0b 100755
--- a/include/exec/windbgstub-utils.h
+++ b/include/exec/windbgstub-utils.h
@@ -76,6 +76,8 @@ InitedAddr *windbg_get_version(void);
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_unsupported(CPUState *cpu, PacketData *pd);
SizedBuf kd_gen_exception_sc(CPUState *cpu);
diff --git a/target/i386/windbgstub.c b/target/i386/windbgstub.c
index 11c35a4207..7558349469 100755
--- a/target/i386/windbgstub.c
+++ b/target/i386/windbgstub.c
@@ -273,6 +273,45 @@ typedef struct _CPU_KPROCESSOR_STATE {
CPU_KSPECIAL_REGISTERS SpecialRegisters;
} CPU_KPROCESSOR_STATE, *PCPU_KPROCESSOR_STATE;
+static int windbg_read_context(CPUState *cpu, uint8_t *buf, int buf_size,
+ int offset, int len)
+{
+ return 0;
+}
+
+static int windbg_write_context(CPUState *cpu, uint8_t *buf, int buf_size,
+ int offset, int len)
+{
+ return 0;
+}
+
+void kd_api_get_context(CPUState *cpu, PacketData *pd)
+{
+ int err;
+
+ pd->extra_size = sizeof(CPU_CONTEXT);
+ err = windbg_read_context(cpu, pd->extra, pd->extra_size, 0,
+ pd->extra_size);
+
+ if (err) {
+ pd->extra_size = 0;
+ pd->m64.ReturnStatus = STATUS_UNSUCCESSFUL;
+ }
+}
+
+void kd_api_set_context(CPUState *cpu, PacketData *pd)
+{
+ int err;
+
+ err = windbg_write_context(cpu, pd->extra, pd->extra_size, 0,
+ sizeof(CPU_CONTEXT));
+ pd->extra_size = 0;
+
+ if (err) {
+ pd->m64.ReturnStatus = STATUS_UNSUCCESSFUL;
+ }
+}
+
bool windbg_on_load(void)
{
CPUState *cpu = qemu_get_cpu(0);
diff --git a/windbgstub.c b/windbgstub.c
index 14caacef81..be40e3e53b 100755
--- a/windbgstub.c
+++ b/windbgstub.c
@@ -148,6 +148,14 @@ static void
windbg_process_manipulate_packet(ParsingContext *ctx)
kd_api_write_virtual_memory(cpu, &ctx->data);
break;
+ case DbgKdGetContextApi:
+ kd_api_get_context(cpu, &ctx->data);
+ break;
+
+ case DbgKdSetContextApi:
+ kd_api_set_context(cpu, &ctx->data);
+ break;
+
default:
kd_api_unsupported(cpu, &ctx->data);
break;
- [Qemu-devel] [PATCH v4 13/46] windbg: handler of parsing context, (continued)
- [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, 2017/12/11
- [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 <=
- [Qemu-devel] [PATCH v4 24/46] windbg: implemented kd_api_read_control_space and kd_api_write_control_space, Mihail Abakumov, 2017/12/11
- [Qemu-devel] [PATCH v4 25/46] windbg: implemented windbg_read_context, Mihail Abakumov, 2017/12/11
- [Qemu-devel] [PATCH v4 26/46] windbg: implemented windbg_write_context, Mihail Abakumov, 2017/12/11
- [Qemu-devel] [PATCH v4 28/46] windbg: implemented windbg_write_ks_regs, Mihail Abakumov, 2017/12/11
- [Qemu-devel] [PATCH v4 27/46] windbg: implemented windbg_read_ks_regs, Mihail Abakumov, 2017/12/11
- [Qemu-devel] [PATCH v4 29/46] windbg: implemented windbg_set_sr, Mihail Abakumov, 2017/12/11
- [Qemu-devel] [PATCH v4 30/46] windbg: implemented windbg_set_dr, Mihail Abakumov, 2017/12/11
- [Qemu-devel] [PATCH v4 31/46] windbg: implemented windbg_set_dr7, Mihail Abakumov, 2017/12/11
- [Qemu-devel] [PATCH v4 32/46] windbg: implemented windbg_hw_breakpoint_insert and windbg_hw_breakpoint_remove, Mihail Abakumov, 2017/12/11
- [Qemu-devel] [PATCH v4 33/46] windbg: implemented kd_api_write_breakpoint and kd_api_restore_breakpoint, Mihail Abakumov, 2017/12/11