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Line 1... |
// inremental.cc -- incremental linking support for gold
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// inremental.cc -- incremental linking support for gold
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// Copyright 2009, 2010 Free Software Foundation, Inc.
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// Copyright 2009, 2010, 2011 Free Software Foundation, Inc.
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// Written by Mikolaj Zalewski <mikolajz@google.com>.
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// Written by Mikolaj Zalewski <mikolajz@google.com>.
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// This file is part of gold.
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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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// This program is free software; you can redistribute it and/or modify
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| Line 307... |
Line 307... |
}
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}
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}
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}
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break;
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break;
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case INCREMENTAL_INPUT_SCRIPT:
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case INCREMENTAL_INPUT_SCRIPT:
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{
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{
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Script_info* script = new Script_info(input_file.filename());
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Script_info* script = new Script_info(input_file.filename(), i);
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this->script_map_[i] = script;
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this->script_map_[i] = script;
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unsigned int object_count = input_file.get_object_count();
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unsigned int object_count = input_file.get_object_count();
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for (unsigned int j = 0; j < object_count; j++)
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for (unsigned int j = 0; j < object_count; j++)
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{
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{
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int object_offset = input_file.get_object_offset(j);
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int object_offset = input_file.get_object_offset(j);
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| Line 391... |
Line 391... |
return false;
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return false;
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}
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}
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if (incremental_inputs->command_line() != inputs.command_line())
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if (incremental_inputs->command_line() != inputs.command_line())
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{
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{
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gold_debug(DEBUG_INCREMENTAL,
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"old command line: %s",
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inputs.command_line());
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gold_debug(DEBUG_INCREMENTAL,
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"new command line: %s",
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incremental_inputs->command_line().c_str());
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explain_no_incremental(_("command line changed"));
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explain_no_incremental(_("command line changed"));
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return false;
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return false;
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}
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}
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// Walk the list of input files given on the command line, and build
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// Walk the list of input files given on the command line, and build
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| Line 440... |
Line 446... |
Sized_incremental_binary<size, big_endian>::do_file_has_changed(
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Sized_incremental_binary<size, big_endian>::do_file_has_changed(
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unsigned int n) const
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unsigned int n) const
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{
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{
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Input_entry_reader input_file = this->inputs_reader_.input_file(n);
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Input_entry_reader input_file = this->inputs_reader_.input_file(n);
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Incremental_disposition disp = INCREMENTAL_CHECK;
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Incremental_disposition disp = INCREMENTAL_CHECK;
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// For files named in scripts, find the file that was actually named
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// on the command line, so that we can get the incremental disposition
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// flag.
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Script_info* script = this->get_script_info(n);
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if (script != NULL)
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n = script->input_file_index();
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const Input_argument* input_argument = this->get_input_argument(n);
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const Input_argument* input_argument = this->get_input_argument(n);
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if (input_argument != NULL)
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if (input_argument != NULL)
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disp = input_argument->file().options().incremental_disposition();
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disp = input_argument->file().options().incremental_disposition();
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// For files at the beginning of the command line (i.e., those added
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// implicitly by gcc), check whether the --incremental-startup-unchanged
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// option was used.
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if (disp == INCREMENTAL_STARTUP)
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disp = parameters->options().incremental_startup_disposition();
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if (disp != INCREMENTAL_CHECK)
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if (disp != INCREMENTAL_CHECK)
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return disp == INCREMENTAL_CHANGED;
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return disp == INCREMENTAL_CHANGED;
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const char* filename = input_file.filename();
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const char* filename = input_file.filename();
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Timespec old_mtime = input_file.get_mtime();
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Timespec old_mtime = input_file.get_mtime();
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Line 672... |
if (sym->in_reg())
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if (sym->in_reg())
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{
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{
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gold_debug(DEBUG_INCREMENTAL,
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gold_debug(DEBUG_INCREMENTAL,
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"PLT entry %d: %s",
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"PLT entry %d: %s",
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i, sym->name());
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i, sym->name());
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target->register_global_plt_entry(i, sym);
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target->register_global_plt_entry(symtab, layout, i, sym);
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}
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}
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}
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}
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}
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}
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// Emit COPY relocations from the existing output file.
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// Emit COPY relocations from the existing output file.
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| Line 922... |
Line 942... |
|| strcmp(argv[i], "--incremental-full") == 0
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|| strcmp(argv[i], "--incremental-full") == 0
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|| strcmp(argv[i], "--incremental-update") == 0
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|| strcmp(argv[i], "--incremental-update") == 0
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|| strcmp(argv[i], "--incremental-changed") == 0
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|| strcmp(argv[i], "--incremental-changed") == 0
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|| strcmp(argv[i], "--incremental-unchanged") == 0
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|| strcmp(argv[i], "--incremental-unchanged") == 0
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|| strcmp(argv[i], "--incremental-unknown") == 0
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|| strcmp(argv[i], "--incremental-unknown") == 0
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|| strcmp(argv[i], "--incremental-startup-unchanged") == 0
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|| is_prefix_of("--incremental-base=", argv[i])
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|| is_prefix_of("--incremental-base=", argv[i])
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|| is_prefix_of("--incremental-patch=", argv[i])
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|| is_prefix_of("--debug=", argv[i]))
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|| is_prefix_of("--debug=", argv[i]))
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continue;
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continue;
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if (strcmp(argv[i], "--incremental-base") == 0
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if (strcmp(argv[i], "--incremental-base") == 0
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|| strcmp(argv[i], "--incremental-patch") == 0
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|| strcmp(argv[i], "--debug") == 0)
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|| strcmp(argv[i], "--debug") == 0)
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{
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{
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// When these options are used without the '=', skip the
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// When these options are used without the '=', skip the
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// following parameter as well.
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// following parameter as well.
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++i;
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++i;
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| Line 1644... |
Line 1667... |
if (sym->is_forwarder())
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if (sym->is_forwarder())
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sym = this->symtab_->resolve_forwards(sym);
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sym = this->symtab_->resolve_forwards(sym);
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if (sym->symtab_index() == -1U)
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if (sym->symtab_index() == -1U)
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continue;
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continue;
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unsigned int flags = 0;
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unsigned int flags = 0;
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if (sym->source() == Symbol::FROM_OBJECT
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// If the symbol has hidden or internal visibility, we
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// mark it as defined in the shared object so we don't
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// try to resolve it during an incremental update.
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if (sym->visibility() == elfcpp::STV_HIDDEN
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|| sym->visibility() == elfcpp::STV_INTERNAL)
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flags = INCREMENTAL_SHLIB_SYM_DEF;
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else if (sym->source() == Symbol::FROM_OBJECT
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&& sym->object() == obj
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&& sym->object() == obj
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&& sym->is_defined())
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&& sym->is_defined())
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flags = INCREMENTAL_SHLIB_SYM_DEF;
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flags = INCREMENTAL_SHLIB_SYM_DEF;
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else if (sym->is_copied_from_dynobj()
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else if (sym->is_copied_from_dynobj()
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&& this->symtab_->get_copy_source(sym) == dynobj)
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&& this->symtab_->get_copy_source(sym) == dynobj)
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