Signed-off-by: Mihail Abakumov <[email protected]>
Signed-off-by: Pavel Dovgalyuk <[email protected]>
Signed-off-by: Dmitriy Koltunov <[email protected]>
---
include/exec/windbgstub-utils.h | 1 +
windbgstub-utils.c | 30 ++++++++++++++++++++++++++++++
windbgstub.c | 4 ++++
3 files changed, 35 insertions(+)
diff --git a/include/exec/windbgstub-utils.h b/include/exec/windbgstub-utils.h
index 23cafb1a89..ba001ddb42 100755
--- a/include/exec/windbgstub-utils.h
+++ b/include/exec/windbgstub-utils.h
@@ -118,6 +118,7 @@ void kd_api_write_physical_memory(CPUState *cpu, PacketData
*pd);
void kd_api_get_version(CPUState *cpu, PacketData *pd);
void kd_api_read_msr(CPUState *cpu, PacketData *pd);
void kd_api_write_msr(CPUState *cpu, PacketData *pd);
+void kd_api_search_memory(CPUState *cpu, PacketData *pd);
void kd_api_unsupported(CPUState *cpu, PacketData *pd);
SizedBuf kd_gen_exception_sc(CPUState *cpu);
diff --git a/windbgstub-utils.c b/windbgstub-utils.c
index 26bdb1f6ea..2d3fbcc41c 100755
--- a/windbgstub-utils.c
+++ b/windbgstub-utils.c
@@ -1540,6 +1540,36 @@ void kd_api_write_msr(CPUState *cpu, PacketData *pd)
pd->m64.ReturnStatus = STATUS_SUCCESS;
}
+void kd_api_search_memory(CPUState *cpu, PacketData *pd)
+{
+ DBGKD_SEARCH_MEMORY *m64c = &pd->m64.u.SearchMemory;
+ int s_len = MAX(1, ldq_p(&m64c->SearchLength));
+ int p_len = MIN(ldl_p(&m64c->PatternLength), pd->extra_size);
+ target_ulong addr = ldq_p(&m64c->SearchAddress);
+
+ uint8_t mem[s_len - 1 + p_len];
+
+ int err = cpu_memory_rw_debug(cpu, addr, mem, sizeof(mem), 0);
+ if (!err) {
+ int i;
+ pd->m64.ReturnStatus = STATUS_NO_MORE_ENTRIES;
+ for (i = 0; i < s_len; ++i) {
+ if (memcmp(mem + i, pd->extra, p_len) == 0) {
+ m64c->FoundAddress = addr + i;
+ m64c->FoundAddress = ldq_p(&m64c->FoundAddress);
+ pd->m64.ReturnStatus = STATUS_SUCCESS;
+ break;
+ }
+ }
+ } else {
+ pd->m64.ReturnStatus = STATUS_UNSUCCESSFUL;
+ WINDBG_DEBUG("search_memory: No physical page mapped: " FMT_ADDR,
+ addr);
+ }
+
+ pd->extra_size = 0;
+}
+
void kd_api_unsupported(CPUState *cpu, PacketData *pd)
{
WINDBG_ERROR("Catched unimplemented api %s",
diff --git a/windbgstub.c b/windbgstub.c
index 1ec4932ddc..7cff6bc514 100755
--- a/windbgstub.c
+++ b/windbgstub.c
@@ -205,6 +205,10 @@ static void
windbg_process_manipulate_packet(ParsingContext *ctx)
case DbgKdClearAllInternalBreakpointsApi:
return;
+ case DbgKdSearchMemoryApi:
+ kd_api_search_memory(cpu, &ctx->data);
+ break;
+
default:
kd_api_unsupported(cpu, &ctx->data);
break;
