diff options
| author | Patrick Gansterer <paroga@paroga.com> | 2013-08-05 18:04:44 (GMT) |
|---|---|---|
| committer | Patrick Gansterer <paroga@paroga.com> | 2013-08-05 18:04:44 (GMT) |
| commit | bd827f98efc1d4294b9a7d0fc134629b7507f4a1 (patch) | |
| tree | 0c72621825b39f087e474ce2f6b9aae90381fdf7 /Modules/CMakeDetermineCompilerId.cmake | |
| parent | 1768014dfc8aee30430d57c8f984aad0abb15094 (diff) | |
| download | CMake-bd827f98efc1d4294b9a7d0fc134629b7507f4a1.zip CMake-bd827f98efc1d4294b9a7d0fc134629b7507f4a1.tar.gz CMake-bd827f98efc1d4294b9a7d0fc134629b7507f4a1.tar.bz2 | |
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/CMakeDetermineCompilerId.cmake')
| -rw-r--r-- | Modules/CMakeDetermineCompilerId.cmake | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/Modules/CMakeDetermineCompilerId.cmake b/Modules/CMakeDetermineCompilerId.cmake index ae91a29..71bf293 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}") |