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hle: service: ldr: Use deterministic addresses when mapping NROs.

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- Instead of randomization, choose in-order addresses for where to map NROs into memory.
- This results in predictable behavior when debugging and consistent behavior when reproducing issues.
This commit is contained in:
bunnei 2022-03-02 18:06:26 -08:00
parent f2743b41b0
commit 853e58e593
2 changed files with 63 additions and 25 deletions
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8
src/core/hle/kernel/k_page_table.h
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@ -253,7 +253,9 @@ public:
constexpr bool IsInsideASLRRegion(VAddr address, std::size_t size) const {
return !IsOutsideASLRRegion(address, size);
}
constexpr std::size_t GetNumGuardPages() const {
return IsKernel() ? 1 : 4;
}
PAddr GetPhysicalAddr(VAddr addr) const {
const auto backing_addr = page_table_impl.backing_addr[addr >> PageBits];
ASSERT(backing_addr);
@ -275,10 +277,6 @@ private:
return is_aslr_enabled;
}
constexpr std::size_t GetNumGuardPages() const {
return IsKernel() ? 1 : 4;
}
constexpr bool ContainsPages(VAddr addr, std::size_t num_pages) const {
return (address_space_start <= addr) &&
(num_pages <= (address_space_end - address_space_start) / PageSize) &&