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* Makefile.am: Build incremental-dump * Makefile.in: Regenerate. * incremental-dump.cc: New. * incremental.cc (Incremental_inputs_header_data, Incremental_inputs_entry_data): Move to incremental.h * incremental.h: (Incremental_inputs_header_data, Incremental_inputs_entry_data): Move from incremental.cc 2009-11-24 Rafael Avila de Espindola <espindola@google.com> * elfcpp_file.h: Include elfcpp.h.gdb_7_1-branch
Rafael Ávila de Espíndola
17 years ago
8 changed files with 264 additions and 61 deletions
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// inremental.cc -- incremental linking test/deubg tool
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// Copyright 2009 Free Software Foundation, Inc.
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// Written by Rafael Avila de Espindola <rafael.espindola@gmail.com>
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// This file is part of gold.
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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// MA 02110-1301, USA.
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// This file is a (still incomplete) test/debug tool that should display
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// all information available in the incremental linking sections in a
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// format that is easy to read.
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// Once the format is a bit more stable, this should probably be moved to
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// readelf. Because of that, the use of gold's data structures and functions
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// is just a short term convenience and not a design decision.
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#include "gold.h" |
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#include <stdio.h> |
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#include <errno.h> |
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#include "incremental.h" |
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namespace gold |
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{ |
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class Output_file; |
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} |
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using namespace gold; |
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int |
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main(int argc, char** argv) |
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{ |
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if (argc != 2) |
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{ |
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fprintf(stderr, "Usage: %s <file>\n", argv[0]); |
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return 1; |
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} |
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const char* filename = argv[1]; |
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Output_file* file = new Output_file(filename); |
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bool t = file->open_for_modification(); |
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if (!t) |
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{ |
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fprintf(stderr, "%s: open_for_modification(%s): %s\n", argv[0], filename, |
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strerror(errno)); |
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return 1; |
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} |
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Incremental_binary* inc = open_incremental_binary(file); |
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if (inc == NULL) |
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{ |
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fprintf(stderr, "%s: open_incremental_binary(%s): %s\n", argv[0], |
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filename, strerror(errno)); |
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return 1; |
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} |
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unsigned int strtab_shndx; |
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Incremental_binary::Location location; |
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t = inc->find_incremental_inputs_section(&location, &strtab_shndx); |
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if (!t) |
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{ |
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fprintf(stderr, "%s: %s: no .gnu_incremental_inputs section\n", argv[0], |
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filename); |
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return 1; |
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} |
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Incremental_binary::View inputs_view(inc->view(location)); |
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const unsigned char *p = inputs_view.data(); |
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const Incremental_inputs_header_data* incremental_header = |
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reinterpret_cast<const Incremental_inputs_header_data*> (p); |
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const Incremental_inputs_entry_data* incremental_inputs = |
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reinterpret_cast<const Incremental_inputs_entry_data*> |
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(p + sizeof(Incremental_inputs_header_data)); |
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if (incremental_header->version != 1) |
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{ |
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fprintf(stderr, "%s: %s: unknown incremestal version %d\n", argv[0], |
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filename, incremental_header->version); |
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return 1; |
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} |
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elfcpp::Elf_file<64, false, Incremental_binary> elf_file(inc); |
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if (elf_file.section_type(strtab_shndx) != elfcpp::SHT_STRTAB) |
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{ |
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fprintf(stderr, |
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"%s: %s: invalid string table section %u (type %d != %d)\n", |
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argv[0], filename, strtab_shndx, |
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elf_file.section_type(strtab_shndx), elfcpp::SHT_STRTAB); |
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return 1; |
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} |
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Incremental_binary::Location |
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strtab_location(elf_file.section_contents(strtab_shndx)); |
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Incremental_binary::View strtab_view(inc->view(strtab_location)); |
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p = strtab_view.data(); |
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elfcpp::Elf_strtab strtab(strtab_view.data(), strtab_location.data_size); |
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const char* command_line; |
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t = strtab.get_c_string(incremental_header->command_line_offset, |
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&command_line); |
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if (!t) |
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{ |
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fprintf(stderr, |
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"%s: %s: failed to get link command line: %zu out of range\n", |
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argv[0], filename, |
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static_cast<size_t>(incremental_header->command_line_offset)); |
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return 1; |
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} |
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printf("Link command line: %s\n", command_line); |
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printf("Input files:\n"); |
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for (unsigned i = 0; i < incremental_header->input_file_count; ++i) |
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{ |
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const Incremental_inputs_entry_data* input = |
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&incremental_inputs[i]; |
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const char *objname; |
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t = strtab.get_c_string(input->filename_offset, &objname); |
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if (!t) |
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{ |
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fprintf(stderr,"%s: %s: failed to get file name for object %u:" |
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" %zu out of range\n", argv[0], filename, i, |
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static_cast<size_t>(input->filename_offset)); |
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return 1; |
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} |
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printf(" %s\n", objname); |
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printf(" Timestamp sec = %ld\n", input->timestamp_sec); |
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printf(" Timestamp nsec = %d\n", input->timestamp_nsec); |
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printf(" Type = "); |
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// TODO: print the data at input->data_offset once we have it.
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switch (input->input_type) |
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{ |
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case INCREMENTAL_INPUT_OBJECT: |
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printf("Abject\n"); |
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break; |
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case INCREMENTAL_INPUT_ARCHIVE: |
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printf("Archive\n"); |
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break; |
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case INCREMENTAL_INPUT_SHARED_LIBRARY: |
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printf("Shared library\n"); |
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break; |
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case INCREMENTAL_INPUT_SCRIPT: |
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printf("Linker script\n"); |
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break; |
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case INCREMENTAL_INPUT_INVALID: |
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default: |
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fprintf(stderr, "%s: invalid file type for object %u: %d\n", |
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argv[0], i, input->input_type); |
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return 1; |
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} |
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} |
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return 0; |
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} |
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