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Memory: Add a callback allowing customisation of handle_access_violation.

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This commit is contained in:
vlj 2015-07-02 19:05:27 +02:00
parent 3a0894aaea
commit 4a7f6af8d9
1 changed files with 11 additions and 0 deletions
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11
Utilities/Thread.cpp
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@ -765,6 +765,14 @@ size_t get_x64_access_size(x64_context* context, x64_op_t op, x64_reg_t reg, siz
return d_size;
}
/**
* Callback that can be customised by GSRender backends to track memory access.
* Backends can protect memory pages and get this callback called when an access
* violation is met.
* Should return true if the backend handles the access violation.
*/
std::function<bool(u32 addr)> gfxHandler = [](u32) { return false; };
bool handle_access_violation(u32 addr, bool is_writing, x64_context* context)
{
auto code = (const u8*)RIP(context);
@ -774,6 +782,9 @@ bool handle_access_violation(u32 addr, bool is_writing, x64_context* context)
size_t d_size;
size_t i_size;
if (gfxHandler(addr))
return true;
// decode single x64 instruction that causes memory access
decode_x64_reg_op(code, op, reg, d_size, i_size);