| #!/usr/bin/env python2 |
| |
| from collections import namedtuple |
| import glob |
| |
| |
| # Why have 'cross_headers': |
| # For some reason, clang doesn't know how to find some of the libstdc++ |
| # headers (c++config.h). Manually add in one of the paths: |
| # https://llvm.org/bugs/show_bug.cgi?id=22937 |
| # Otherwise, we could assume the system has arm-linux-gnueabihf-g++ and |
| # use that instead of clang, but so far we've just been using clang for |
| # the unsandboxed build. |
| def FindARMCrossInclude(): |
| return glob.glob( |
| '/usr/arm-linux-gnueabihf/include/c++/*/arm-linux-gnueabihf')[-1] |
| |
| def FindMIPSCrossInclude(): |
| globs = glob.glob('/usr/mipsel-linux-gnu/include/c++/*/mipsel-linux-gnu') |
| return globs[-1] if globs else '/invalid/mips/include/path' |
| |
| TargetInfo = namedtuple('TargetInfo', |
| ['target', 'compiler_arch', 'triple', 'llc_flags', |
| 'ld_emu', 'sb_emu', 'cross_headers']) |
| |
| X8632Target = TargetInfo(target='x8632', |
| compiler_arch='x8632', |
| triple='i686-none-linux', |
| llc_flags=['-mcpu=pentium4m'], |
| ld_emu='elf_i386_nacl', |
| sb_emu='elf_i386_nacl', |
| cross_headers=[]) |
| |
| X8664Target = TargetInfo(target='x8664', |
| compiler_arch='x8664', |
| triple='x86_64-none-linux-gnux32', |
| llc_flags=['-mcpu=x86-64'], |
| ld_emu='elf32_x86_64_nacl', |
| sb_emu='elf_x86_64_nacl', |
| cross_headers=[]) |
| |
| ARM32Target = TargetInfo(target='arm32', |
| compiler_arch='armv7', |
| triple='armv7a-none-linux-gnueabihf', |
| llc_flags=['-mcpu=cortex-a9', |
| '-float-abi=hard', |
| '-mattr=+neon', |
| '-arm-enable-dwarf-eh=1'], |
| ld_emu='armelf_nacl', |
| sb_emu='armelf_nacl', |
| cross_headers=['-isystem', FindARMCrossInclude()]) |
| |
| # Investigate: |
| # ld_emu script mips_nacl is not present in binutils. How to get it? |
| MIPS32Target = TargetInfo(target='mips32', |
| compiler_arch='mips32', |
| triple='mipsel-linux-gnu', |
| llc_flags=[], |
| ld_emu='mips_nacl', |
| sb_emu='mips_nacl', |
| cross_headers=['-isystem', FindMIPSCrossInclude()]) |
| |
| def ConvertTripleToNaCl(nonsfi_triple): |
| return nonsfi_triple[:nonsfi_triple.find('-linux')] + '-nacl' |
