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-rw-r--r--src/common/host_memory.cpp15
1 files changed, 12 insertions, 3 deletions
diff --git a/src/common/host_memory.cpp b/src/common/host_memory.cpp
index 8a328f916..c6d65aab9 100644
--- a/src/common/host_memory.cpp
+++ b/src/common/host_memory.cpp
@@ -110,9 +110,18 @@ public:
} else {
UNIMPLEMENTED_MSG("Protection flag combination read={} write={}", read, write);
}
- DWORD old_flags{};
- if (!VirtualProtect(virtual_base + virtual_offset, length, new_flags, &old_flags)) {
- LOG_CRITICAL(HW_Memory, "Failed to change virtual memory protect rules");
+ const size_t virtual_end = virtual_offset + length;
+
+ std::lock_guard lock{placeholder_mutex};
+ auto [it, end] = placeholders.equal_range({virtual_offset, virtual_end});
+ while (it != end) {
+ const size_t offset = std::max(it->lower(), virtual_offset);
+ const size_t protect_length = std::min(it->upper(), virtual_end) - offset;
+ DWORD old_flags{};
+ if (!VirtualProtect(virtual_base + offset, protect_length, new_flags, &old_flags)) {
+ LOG_CRITICAL(HW_Memory, "Failed to change virtual memory protect rules");
+ }
+ ++it;
}
}