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Jit: Fix GUARD_OFFSET calculation 

Seems like this was broken all along. The safe zone is at the lower
addresses of the stack, not the higher addresses.
This commit is contained in:
JosJuice 2023-01-01 20:20:22 +01:00
parent 73aaa01648
commit 0cdae98181
2 changed files with 2 additions and 2 deletions
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2
Source/Core/Core/PowerPC/Jit64/Jit.cpp
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@ -149,7 +149,7 @@ enum
STACK_SIZE = 2 * 1024 * 1024, STACK_SIZE = 2 * 1024 * 1024,
SAFE_STACK_SIZE = 512 * 1024, SAFE_STACK_SIZE = 512 * 1024,
GUARD_SIZE = 0x10000, // two guards - bottom (permanent) and middle (see above) GUARD_SIZE = 0x10000, // two guards - bottom (permanent) and middle (see above)
GUARD_OFFSET = STACK_SIZE - SAFE_STACK_SIZE - GUARD_SIZE, GUARD_OFFSET = SAFE_STACK_SIZE - GUARD_SIZE,
}; };
Jit64::Jit64() : QuantizedMemoryRoutines(*this) Jit64::Jit64() : QuantizedMemoryRoutines(*this)

2
Source/Core/Core/PowerPC/JitArm64/Jit.cpp
View File

@ -41,7 +41,7 @@ constexpr size_t FARCODE_SIZE_MMU = 1024 * 1024 * 64;
constexpr size_t STACK_SIZE = 2 * 1024 * 1024; constexpr size_t STACK_SIZE = 2 * 1024 * 1024;
constexpr size_t SAFE_STACK_SIZE = 512 * 1024; constexpr size_t SAFE_STACK_SIZE = 512 * 1024;
constexpr size_t GUARD_SIZE = 64 * 1024; // two guards - bottom (permanent) and middle (see above) constexpr size_t GUARD_SIZE = 64 * 1024; // two guards - bottom (permanent) and middle (see above)
constexpr size_t GUARD_OFFSET = STACK_SIZE - SAFE_STACK_SIZE - GUARD_SIZE; constexpr size_t GUARD_OFFSET = SAFE_STACK_SIZE - GUARD_SIZE;
JitArm64::JitArm64() : m_float_emit(this) JitArm64::JitArm64() : m_float_emit(this)
{ {