From 07156ed156ccd88352e7264b28ebe92ac1065d48 Mon Sep 17 00:00:00 2001
From: Charles Milette <me@charlesmilette.net>
Date: Tue, 12 Feb 2019 19:56:35 -0500
Subject: [PATCH] [detours] new port (#5347)

* [detours] new port

* [detours] Use PATCHES parameter instead of vcpkg_apply_patches function
---
 ports/detours/CONTROL                     |  3 +++
 ports/detours/find-jmp-bounds-arm64.patch | 24 +++++++++++++++++++
 ports/detours/portfile.cmake              | 28 +++++++++++++++++++++++
 3 files changed, 55 insertions(+)
 create mode 100644 ports/detours/CONTROL
 create mode 100644 ports/detours/find-jmp-bounds-arm64.patch
 create mode 100644 ports/detours/portfile.cmake

diff --git a/ports/detours/CONTROL b/ports/detours/CONTROL
new file mode 100644
index 00000000000..4998741bde6
--- /dev/null
+++ b/ports/detours/CONTROL
@@ -0,0 +1,3 @@
+Source: detours
+Version: 4.0.1
+Description: Detours is a software package for monitoring and instrumenting API calls on Windows.
\ No newline at end of file
diff --git a/ports/detours/find-jmp-bounds-arm64.patch b/ports/detours/find-jmp-bounds-arm64.patch
new file mode 100644
index 00000000000..21390cec05e
--- /dev/null
+++ b/ports/detours/find-jmp-bounds-arm64.patch
@@ -0,0 +1,24 @@
+diff --git a/src/detours.cpp b/src/detours.cpp
+index 8345c4d..3cd0e9d 100644
+--- a/src/detours.cpp
++++ b/src/detours.cpp
+@@ -974,6 +974,19 @@ inline PBYTE detour_skip_jmp(PBYTE pbCode, PVOID *ppGlobals)
+     return pbCode;
+ }
+ 
++inline void detour_find_jmp_bounds(PBYTE pbCode,
++                                   PDETOUR_TRAMPOLINE *ppLower,
++                                   PDETOUR_TRAMPOLINE *ppUpper)
++{
++    // We have to place trampolines within +/- 2GB of code.
++    ULONG_PTR lo = detour_2gb_below((ULONG_PTR)pbCode);
++    ULONG_PTR hi = detour_2gb_above((ULONG_PTR)pbCode);
++    DETOUR_TRACE(("[%p..%p..%p]\n", lo, pbCode, hi));
++
++    *ppLower = (PDETOUR_TRAMPOLINE)lo;
++    *ppUpper = (PDETOUR_TRAMPOLINE)hi;
++}
++
+ inline BOOL detour_does_code_end_function(PBYTE pbCode)
+ {
+     ULONG Opcode = fetch_opcode(pbCode);
diff --git a/ports/detours/portfile.cmake b/ports/detours/portfile.cmake
new file mode 100644
index 00000000000..038f8637cdd
--- /dev/null
+++ b/ports/detours/portfile.cmake
@@ -0,0 +1,28 @@
+include(vcpkg_common_functions)
+find_program(NMAKE nmake)
+
+vcpkg_check_linkage(ONLY_STATIC_LIBRARY)
+
+vcpkg_from_github(
+    OUT_SOURCE_PATH SOURCE_PATH
+    REPO Microsoft/Detours
+    REF v4.0.1
+    SHA512 0a9c21b8222329add2de190d2e94d99195dfa55de5a914b75d380ffe0fb787b12e016d0723ca821001af0168fd1643ffd2455298bf3de5fdc155b3393a3ccc87
+    HEAD_REF master
+    PATCHES 
+        find-jmp-bounds-arm64.patch
+)
+
+set(ENV{DETOURS_TARGET_PROCESSOR} "${VCPKG_TARGET_ARCHITECTURE}")
+
+vcpkg_execute_required_process(
+    COMMAND ${NMAKE}
+    WORKING_DIRECTORY ${SOURCE_PATH}/src
+    LOGNAME build-${TARGET_TRIPLET}
+)
+
+# Detours does not differentiate between Release and Debug builds, use the same binaries for both.
+file(INSTALL ${SOURCE_PATH}/lib.${VCPKG_TARGET_ARCHITECTURE}/ DESTINATION ${CURRENT_PACKAGES_DIR}/lib)
+file(INSTALL ${SOURCE_PATH}/lib.${VCPKG_TARGET_ARCHITECTURE}/ DESTINATION ${CURRENT_PACKAGES_DIR}/debug/lib)
+file(INSTALL ${SOURCE_PATH}/include DESTINATION ${CURRENT_PACKAGES_DIR})
+file(INSTALL ${SOURCE_PATH}/LICENSE.md DESTINATION ${CURRENT_PACKAGES_DIR}/share/${PORT} RENAME copyright)
\ No newline at end of file