| // Copyright (c) 2015 The Khronos Group Inc. |
| // |
| // Permission is hereby granted, free of charge, to any person obtaining a |
| // copy of this software and/or associated documentation files (the |
| // "Materials"), to deal in the Materials without restriction, including |
| // without limitation the rights to use, copy, modify, merge, publish, |
| // distribute, sublicense, and/or sell copies of the Materials, and to |
| // permit persons to whom the Materials are furnished to do so, subject to |
| // the following conditions: |
| // |
| // The above copyright notice and this permission notice shall be included |
| // in all copies or substantial portions of the Materials. |
| // |
| // MODIFICATIONS TO THIS FILE MAY MEAN IT NO LONGER ACCURATELY REFLECTS |
| // KHRONOS STANDARDS. THE UNMODIFIED, NORMATIVE VERSIONS OF KHRONOS |
| // SPECIFICATIONS AND HEADER INFORMATION ARE LOCATED AT |
| // https://www.khronos.org/registry/ |
| // |
| // THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| // IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
| // CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| // TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| // MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS. |
| |
| #include <stdio.h> |
| |
| #include <vector> |
| |
| #include "libspirv/libspirv.h" |
| |
| void print_usage(char* argv0) { |
| printf( |
| "Dissassemble a *.sv file into a *.svasm text file.\n\n" |
| "USAGE: %s [options] <filename>\n\n" |
| " -o <filename> set the output filename\n" |
| " -p print dissassembly to stdout, this\n" |
| " overrides file output\n", |
| argv0); |
| } |
| |
| int main(int argc, char** argv) { |
| if (2 > argc) { |
| print_usage(argv[0]); |
| return 1; |
| } |
| |
| uint32_t options = SPV_BINARY_TO_TEXT_OPTION_NONE; |
| const char* inFile = nullptr; |
| const char* outFile = nullptr; |
| |
| for (int argi = 1; argi < argc; ++argi) { |
| if ('-' == argv[argi][0]) { |
| switch (argv[argi][1]) { |
| case 'o': { |
| if (!outFile && argi + 1 < argc) { |
| outFile = argv[++argi]; |
| } else { |
| print_usage(argv[0]); |
| return 1; |
| } |
| } break; |
| case 'p': { |
| options |= SPV_BINARY_TO_TEXT_OPTION_PRINT; |
| #ifdef SPV_COLOR_TERMINAL |
| options |= SPV_BINARY_TO_TEXT_OPTION_COLOR; |
| #endif |
| } break; |
| default: |
| print_usage(argv[0]); |
| return 1; |
| } |
| } else { |
| if (!inFile) { |
| inFile = argv[argi]; |
| } else { |
| print_usage(argv[0]); |
| return 1; |
| } |
| } |
| } |
| |
| if (!outFile) { |
| outFile = "out.spvasm"; |
| } |
| |
| if (!inFile) { |
| fprintf(stderr, "error: input file is empty.\n"); |
| return 1; |
| } |
| |
| std::vector<uint32_t> contents; |
| if (FILE* fp = fopen(inFile, "rb")) { |
| uint32_t buf[1024]; |
| while (size_t len = fread(buf, sizeof(uint32_t), 1024, fp)) { |
| contents.insert(contents.end(), buf, buf + len); |
| } |
| fclose(fp); |
| } else { |
| fprintf(stderr, "error: file does not exist '%s'\n", inFile); |
| return 1; |
| } |
| |
| // If the printing option is turned on, then spvBinaryToText should |
| // do the printing. In particular, colour printing on Windows is |
| // controlled by modifying console objects synchronously while |
| // outputting to the stream rather than by injecting escape codes |
| // into the output stream. |
| // If the printing option is off, then save the text in memory, so |
| // it can be emitted later in this function. |
| const bool printOptionOn = |
| spvIsInBitfield(SPV_BINARY_TO_TEXT_OPTION_PRINT, options); |
| spv_text text; |
| spv_text* textOrNull = printOptionOn ? nullptr : &text; |
| spv_diagnostic diagnostic = nullptr; |
| spv_result_t error = spvBinaryToText(contents.data(), contents.size(), |
| options, textOrNull, &diagnostic); |
| if (error) { |
| spvDiagnosticPrint(diagnostic); |
| spvDiagnosticDestroy(diagnostic); |
| return error; |
| } |
| |
| // Output the result. |
| if (!printOptionOn) { |
| if (FILE* fp = fopen(outFile, "w")) { |
| size_t written = |
| fwrite(text->str, sizeof(char), (size_t)text->length, fp); |
| if (text->length != written) { |
| spvTextDestroy(text); |
| fprintf(stderr, "error: could not write to file '%s'\n", outFile); |
| return 1; |
| } |
| } else { |
| spvTextDestroy(text); |
| fprintf(stderr, "error: could not open file '%s'\n", outFile); |
| return 1; |
| } |
| } |
| |
| return 0; |
| } |