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Diffstat (limited to 'clocl/program.cpp')
| -rw-r--r-- | clocl/program.cpp | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/clocl/program.cpp b/clocl/program.cpp new file mode 100644 index 0000000..0674bbe --- /dev/null +++ b/clocl/program.cpp @@ -0,0 +1,189 @@ +/****************************************************************************** + * Copyright (c) 2013-2014, Texas Instruments Incorporated - http://www.ti.com/ + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Texas Instruments Incorporated nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF + * THE POSSIBILITY OF SUCH DAMAGE. + *****************************************************************************/ +#include <llvm/PassManager.h> +#include <llvm/Analysis/Passes.h> +#include <llvm/Analysis/Verifier.h> +#include <llvm/Transforms/Scalar.h> +#include <llvm/Transforms/IPO.h> +#include <llvm/Transforms/Utils/UnifyFunctionExitNodes.h> +#include <llvm/Support/raw_ostream.h> +#include <llvm/Bitcode/ReaderWriter.h> +#include "wga.h" +#include "file_manip.h" +#include "options.h" + +#include <string> +#include <iostream> +#include <fstream> +#include <sstream> +#include <stdio.h> +#include <stdlib.h> +#include <vector> +#include <sys/types.h> +#include <sys/time.h> +#include <sys/wait.h> +#include <sys/stat.h> +#include <unistd.h> + +#include <elf.h> + +using namespace std; + +/****************************************************************************** +* Find the C6000 CGT installation +******************************************************************************/ +char *get_cgt_install() +{ + char *install = getenv("TI_OCL_CGT_INSTALL"); + if (!install) + { + std::cout << + "The environment variable TI_OCL_CGT_INSTALL must be set to a " + << std::endl << + "directory path where the C6000 compiler tools are installed. " + << std::endl; + + abort(); + } + + return install; +} + +/****************************************************************************** +* Find the OpenCL installation +******************************************************************************/ +char *get_ocl_install() +{ + char *install = getenv("TI_OCL_INSTALL"); + if (!install) + { + std::cout << + "The environment variable TI_OCL_INSTALL must be set to a " + << std::endl << + "directory path where the TI OpenCL product is installed. " + << std::endl; + + abort(); + } + + return install; +} + +std::string get_ocl_dsp() +{ + const char *stdpath = "/usr/share/ti/opencl/dsp"; + + struct stat st; + stat(stdpath, &st); + if (S_ISDIR(st.st_mode)) return stdpath; + + std::string sinstall = string(get_ocl_install()) + "/dsp"; + return sinstall; +} + +/****************************************************************************** +* run_cl6x +******************************************************************************/ +int run_cl6x(string filename, string *llvm_bitcode, string addl_files) +{ + string command("cl6x --f -q --abi=eabi --use_g3 -mv6600 -mt -mo "); + + if (opt_keep) command += "-mw -k --z "; + + command += "--disable:sploop "; + + if (opt_debug) command += "-g -o0 "; + else command += "-o3 "; + + const char *cgt_install = get_cgt_install(); + + command += "-I"; command += cgt_install; command += "/include "; + command += "-I"; command += cgt_install; command += "/lib "; + command += "-I"; command += get_ocl_dsp().c_str(); command += " "; + + command += "--bc_file="; command += filename; command += " "; + + /*------------------------------------------------------------------------- + * Encode LLVM bitcode as bytes in the .llvmir section of the .asm file + *------------------------------------------------------------------------*/ + if (llvm_bitcode != NULL) + { + string bitasm_name(fs_stem(filename)); + bitasm_name += "_bc.asm"; + + ofstream outasmfile(bitasm_name.c_str(), ios::out); + outasmfile << "\t.sect \".llvmir\"\n" << "\t.retain"; + int nbytes = llvm_bitcode->size(); + for (int i = 0; i < nbytes; i++) + if (i % 10 == 0) + outasmfile << "\n\t.byte " << (int) llvm_bitcode->at(i); + else + outasmfile << ", " << (int) llvm_bitcode->at(i); + outasmfile.close(); + + command += bitasm_name; command += " "; + } + + if (opt_lib) + { + if (opt_verbose) cout << command << endl; + int x = system(command.c_str()); + return true; + } + + string outfile(fs_replace_extension(filename, ".out")); + + command += "-z "; + command += "-o "; + command += outfile; + command += " "; + + if (opt_keep) + { + command += "-m "; + command += fs_replace_extension(filename, ".map"); + command += " "; + } + + /*------------------------------------------------------------------------- + * Any libraries or object files need to go last to resolve references + *------------------------------------------------------------------------*/ + command += addl_files; + command += " -ldsp.syms "; + + if (opt_verbose) cout << command << endl; + int x = system(command.c_str()); + + if (!opt_debug) + { + string strip_command("strip6x "); + strip_command += outfile; + if (opt_verbose) cout << strip_command << endl; + x = system(strip_command.c_str()); + } +} |