diff options
| author | Patrick Gansterer <paroga@paroga.com> | 2013-08-05 20:04:44 +0200 |
|---|---|---|
| committer | Patrick Gansterer <paroga@paroga.com> | 2013-08-05 20:04:44 +0200 |
| commit | bd827f98efc1d4294b9a7d0fc134629b7507f4a1 (patch) | |
| tree | 0c72621825b39f087e474ce2f6b9aae90381fdf7 /Modules | |
| parent | 1768014dfc8aee30430d57c8f984aad0abb15094 (diff) | |
| download | cmake-bd827f98efc1d4294b9a7d0fc134629b7507f4a1.tar.gz | |
WIN: Use COFF file header header for architecture detection (#14083)
Read the machine field from the COFF file header to get the exact
target architecture for ARM and SHx on the Windows platform.
Diffstat (limited to 'Modules')
| -rw-r--r-- | Modules/CMakeDetermineCompilerId.cmake | 29 | ||||
| -rw-r--r-- | Modules/Platform/Windows-MSVC.cmake | 7 |
2 files changed, 29 insertions, 7 deletions
diff --git a/Modules/CMakeDetermineCompilerId.cmake b/Modules/CMakeDetermineCompilerId.cmake index ae91a296a4..71bf29390e 100644 --- a/Modules/CMakeDetermineCompilerId.cmake +++ b/Modules/CMakeDetermineCompilerId.cmake @@ -341,6 +341,35 @@ function(CMAKE_DETERMINE_COMPILER_ID_CHECK lang file) endif() endforeach() + # Detect the exact architecture from the PE header. + if(WIN32) + # The offset to the PE signature is stored at 0x3c. + file(READ ${file} peoffsethex LIMIT 1 OFFSET 60 HEX) + string(SUBSTRING "${peoffsethex}" 0 1 peoffsethex1) + string(SUBSTRING "${peoffsethex}" 1 1 peoffsethex2) + set(peoffsetexpression "${peoffsethex1} * 16 + ${peoffsethex2}") + string(REPLACE "a" "10" peoffsetexpression "${peoffsetexpression}") + string(REPLACE "b" "11" peoffsetexpression "${peoffsetexpression}") + string(REPLACE "c" "12" peoffsetexpression "${peoffsetexpression}") + string(REPLACE "d" "13" peoffsetexpression "${peoffsetexpression}") + string(REPLACE "e" "14" peoffsetexpression "${peoffsetexpression}") + string(REPLACE "f" "15" peoffsetexpression "${peoffsetexpression}") + math(EXPR peoffset "${peoffsetexpression}") + + file(READ ${file} peheader LIMIT 6 OFFSET ${peoffset} HEX) + if(peheader STREQUAL "50450000a201") + set(ARCHITECTURE_ID "SH3") + elseif(peheader STREQUAL "50450000a301") + set(ARCHITECTURE_ID "SH3DSP") + elseif(peheader STREQUAL "50450000a601") + set(ARCHITECTURE_ID "SH4") + elseif(peheader STREQUAL "50450000a801") + set(ARCHITECTURE_ID "SH5") + elseif(peheader STREQUAL "50450000c201") + set(ARCHITECTURE_ID "THUMB") + endif() + endif() + # Check if a valid compiler and platform were found. if(COMPILER_ID AND NOT COMPILER_ID_TWICE) set(CMAKE_${lang}_COMPILER_ID "${COMPILER_ID}") diff --git a/Modules/Platform/Windows-MSVC.cmake b/Modules/Platform/Windows-MSVC.cmake index 9f97570589..1a2d3e9893 100644 --- a/Modules/Platform/Windows-MSVC.cmake +++ b/Modules/Platform/Windows-MSVC.cmake @@ -171,13 +171,6 @@ set(_MACHINE_ARCH_FLAG ${MSVC_C_ARCHITECTURE_ID}) if(NOT _MACHINE_ARCH_FLAG) set(_MACHINE_ARCH_FLAG ${MSVC_CXX_ARCHITECTURE_ID}) endif() -if(WINCE) - if(_MACHINE_ARCH_FLAG MATCHES "ARM") - set(_MACHINE_ARCH_FLAG "THUMB") - elseif(_MACHINE_ARCH_FLAG MATCHES "SH") - set(_MACHINE_ARCH_FLAG "SH4") - endif() -endif() set (CMAKE_EXE_LINKER_FLAGS_INIT "${CMAKE_EXE_LINKER_FLAGS_INIT} /machine:${_MACHINE_ARCH_FLAG}") |