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author | Ian Lance Taylor <iant@google.com> | 2006-10-20 20:40:49 +0000 |
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committer | Ian Lance Taylor <iant@google.com> | 2006-10-20 20:40:49 +0000 |
commit | 92e059d8dc78c3f65e29e48e368f6e47ea0ab671 (patch) | |
tree | f448eb3317d9cbb0f5946422cc28ef157a5f65cb /gold/layout.h | |
parent | af4658dc3db33004d6166b161588221ecb463a5f (diff) | |
download | gdb-92e059d8dc78c3f65e29e48e368f6e47ea0ab671.zip gdb-92e059d8dc78c3f65e29e48e368f6e47ea0ab671.tar.gz gdb-92e059d8dc78c3f65e29e48e368f6e47ea0ab671.tar.bz2 |
Framework for relocation scanning. Implement simple static TLS
relocations.
Diffstat (limited to 'gold/layout.h')
-rw-r--r-- | gold/layout.h | 62 |
1 files changed, 25 insertions, 37 deletions
diff --git a/gold/layout.h b/gold/layout.h index 028d714..4ec2a4a 100644 --- a/gold/layout.h +++ b/gold/layout.h @@ -25,46 +25,35 @@ class Output_segment; class Output_data; class Target; -// This Task handles mapping the input sections to output sections and -// laying them out in memory. +// This task function handles mapping the input sections to output +// sections and laying them out in memory. -class Layout_task : public Task +class Layout_task_runner : public Task_function_runner { public: // OPTIONS is the command line options, INPUT_OBJECTS is the list of - // input objects, THIS_BLOCKER is a token which blocks this task - // from executing until all the input symbols have been read. - Layout_task(const General_options& options, - const Input_objects* input_objects, - Symbol_table* symtab, - Layout* layout, - Task_token* this_blocker) + // input objects, SYMTAB is the symbol table, LAYOUT is the layout + // object. + Layout_task_runner(const General_options& options, + const Input_objects* input_objects, + Symbol_table* symtab, + Layout* layout) : options_(options), input_objects_(input_objects), symtab_(symtab), - layout_(layout), this_blocker_(this_blocker) + layout_(layout) { } - ~Layout_task(); - - // The standard Task methods. - - Is_runnable_type - is_runnable(Workqueue*); - - Task_locker* - locks(Workqueue*); - + // Run the operation. void run(Workqueue*); private: - Layout_task(const Layout_task&); - Layout_task& operator=(const Layout_task&); + Layout_task_runner(const Layout_task_runner&); + Layout_task_runner& operator=(const Layout_task_runner&); const General_options& options_; const Input_objects* input_objects_; Symbol_table* symtab_; Layout* layout_; - Task_token* this_blocker_; }; // This class handles the details of laying out input sections. @@ -105,6 +94,11 @@ class Layout off_t finalize(const Input_objects*, Symbol_table*); + // Return the TLS segment. + Output_segment* + tls_segment() const + { return this->tls_segment_; } + // Write out data not associated with an input file or the symbol // table. void @@ -234,6 +228,8 @@ class Layout // The list of sections which require special output because they // are not comprised of input sections. Data_list special_output_list_; + // A pointer to the PT_TLS segment if there is one. + Output_segment* tls_segment_; }; // This task handles writing out data which is not part of a section @@ -295,29 +291,21 @@ class Write_symbols_task : public Task Task_token* final_blocker_; }; -// This task handles closing the file. +// This task function handles closing the file. -class Close_task : public Task +class Close_task_runner : public Task_function_runner { public: - Close_task(Output_file* of, Task_token* final_blocker) - : of_(of), final_blocker_(final_blocker) + Close_task_runner(Output_file* of) + : of_(of) { } - // The standard task methods. - - Is_runnable_type - is_runnable(Workqueue*); - - Task_locker* - locks(Workqueue*); - + // Run the operation. void run(Workqueue*); private: Output_file* of_; - Task_token* final_blocker_; }; } // End namespace gold. |