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From: jturney@sourceware.org To: cygwin-apps-cvs@sourceware.org Subject: [setup - the official Cygwin setup program] branch master, updated. release_2.893 Date: Thu, 26 Jul 2018 21:47:00 -0000 [thread overview] Message-ID: <20180726214721.34985.qmail@sourceware.org> (raw) https://sourceware.org/git/gitweb.cgi?p=cygwin-apps/setup.git;h=f378fb54ceaa4e27d53cede22f806e8798f5a04d commit f378fb54ceaa4e27d53cede22f806e8798f5a04d Author: Jon Turney <jon.turney@dronecode.org.uk> Date: Tue Jul 24 22:18:51 2018 +0100 Teach bitness reporting in user-agent string about WoW64 on ARM64 Diff: --- nio-ie5.cc | 27 ++++++++++++++++++++++++++- 1 files changed, 26 insertions(+), 1 deletions(-) diff --git a/nio-ie5.cc b/nio-ie5.cc index 6fada0f..6202c01 100644 --- a/nio-ie5.cc +++ b/nio-ie5.cc @@ -31,6 +31,10 @@ #include "getopt++/StringOption.h" #include <sstream> +#ifndef IMAGE_FILE_MACHINE_ARM64 +#define IMAGE_FILE_MACHINE_ARM64 0xAA64 +#endif + static StringOption UserAgent ("", '\0', "user-agent", "User agent string for HTTP requests"); const std::string & @@ -48,9 +52,30 @@ determine_default_useragent(void) #ifdef __x86_64__ bitness = "Win64"; #else + typedef BOOL (WINAPI *PFNISWOW64PROCESS2)(HANDLE, USHORT *, USHORT *); + PFNISWOW64PROCESS2 pfnIsWow64Process2 = (PFNISWOW64PROCESS2)GetProcAddress(GetModuleHandle("kernel32"), "IsWow64Process2"); + typedef BOOL (WINAPI *PFNISWOW64PROCESS)(HANDLE, PBOOL); PFNISWOW64PROCESS pfnIsWow64Process = (PFNISWOW64PROCESS)GetProcAddress(GetModuleHandle("kernel32"), "IsWow64Process"); - if (pfnIsWow64Process) { + + std::stringstream native_desc; + + USHORT processMachine, nativeMachine; + if ((pfnIsWow64Process2) && + (pfnIsWow64Process2(GetCurrentProcess(), &processMachine, &nativeMachine))) { + switch (nativeMachine) + { + case IMAGE_FILE_MACHINE_AMD64: + bitness = "WoW64"; + break; + case IMAGE_FILE_MACHINE_ARM64: + bitness = "WoW64-ARM64"; + break; + default: + native_desc << "WoW64-" << std::hex << nativeMachine; + bitness = native_desc.str(); + } + } else if (pfnIsWow64Process) { BOOL bIsWow64 = FALSE; if (pfnIsWow64Process(GetCurrentProcess(), &bIsWow64)) bitness = bIsWow64 ? "WoW64" : "Win32";
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