1 dnl AX_CELL_SPU - check for needed binutils stuff for Cell BE SPU 2 AC_DEFUN([AX_CELL_SPU], 3 [ 4 # On Cell BE architecture, OProfile uses bfd_openr_iovec when processing some 5 # SPU profiles. To parse embedded SPU ELF on Cell BE, OProfile requires a 6 # version of bfd_openr_iovec that supports the elf32-spu target. 7 # This version of the function also has a 7th parameter that's been added. 8 # First, we check for existence of the base bfd_openr_iovec. If it exists, 9 # we then use a temporary test program below that passes 7 arguments to 10 # bfd_openr_iovec; if it compiles OK, we assume we have the right BFD 11 # library to support Cell BE SPU profiling. 12 13 AC_LANG_PUSH(C) 14 15 AC_CHECK_LIB(bfd, bfd_openr_iovec, 16 [bfd_openr_iovec_exists="yes"], 17 [bfd_openr_iovec_exists="no"] 18 ) 19 20 if test "$bfd_openr_iovec_exists" = "yes"; then 21 AC_MSG_CHECKING([whether bfd_openr_iovec has seven parameters]) 22 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <bfd.h> 23 #include <stdlib.h> 24 ], 25 [[struct bfd *nbfd = bfd_openr_iovec("some-file", "elf32-spu", 26 NULL, NULL, NULL, NULL, NULL); 27 return 0; 28 ]])], 29 [AC_DEFINE([HAVE_BFD_OPENR_IOVEC_WITH_7PARMS], 30 [], 31 [Defined if you have the version of bfd_openr_iovec with 7 parameters]) 32 bfd_open_iovec_7="yes" 33 AC_MSG_RESULT([yes])], 34 [AC_MSG_RESULT([no])] 35 ) 36 fi 37 38 AC_LANG_POP(C) 39 40 arch="unknown" 41 AC_ARG_WITH(target, 42 [ --with-target=cell-be Check BFD support for Cell Broadband Engine SPU profiling], arch=$withval) 43 44 if test "$arch" = "cell-be"; then 45 if test "$bfd_open_iovec_7" = "yes"; then 46 AC_MSG_NOTICE([BFD library has support for Cell Broadband Engine SPU profiling]) 47 else 48 AC_ERROR([BFD library does not support elf32-spu target; SPU profiling is unsupported]) 49 fi 50 fi 51 ] 52 ) 53
