25 lines
830 B
Diff
25 lines
830 B
Diff
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diff --git a/src/detours.cpp b/src/detours.cpp
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index 8345c4d..3cd0e9d 100644
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--- a/src/detours.cpp
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+++ b/src/detours.cpp
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@@ -974,6 +974,19 @@ inline PBYTE detour_skip_jmp(PBYTE pbCode, PVOID *ppGlobals)
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return pbCode;
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}
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+inline void detour_find_jmp_bounds(PBYTE pbCode,
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+ PDETOUR_TRAMPOLINE *ppLower,
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+ PDETOUR_TRAMPOLINE *ppUpper)
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+{
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+ // We have to place trampolines within +/- 2GB of code.
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+ ULONG_PTR lo = detour_2gb_below((ULONG_PTR)pbCode);
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+ ULONG_PTR hi = detour_2gb_above((ULONG_PTR)pbCode);
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+ DETOUR_TRACE(("[%p..%p..%p]\n", lo, pbCode, hi));
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+
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+ *ppLower = (PDETOUR_TRAMPOLINE)lo;
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+ *ppUpper = (PDETOUR_TRAMPOLINE)hi;
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+}
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+
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inline BOOL detour_does_code_end_function(PBYTE pbCode)
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{
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ULONG Opcode = fetch_opcode(pbCode);
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