diff options
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}") |