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author | Ian Lance Taylor <iant@google.com> | 2006-09-27 22:53:42 +0000 |
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committer | Ian Lance Taylor <iant@google.com> | 2006-09-27 22:53:42 +0000 |
commit | 75f65a3e309b8cd885c782f6af106d1e2a1876f6 (patch) | |
tree | 0f21c32a5e40156d007fd6a676b5d74a8c423c90 /gold/object.h | |
parent | 6b89cc2108a525fdc4186bae5365acc258e9c23c (diff) | |
download | gdb-75f65a3e309b8cd885c782f6af106d1e2a1876f6.zip gdb-75f65a3e309b8cd885c782f6af106d1e2a1876f6.tar.gz gdb-75f65a3e309b8cd885c782f6af106d1e2a1876f6.tar.bz2 |
Finished layout code.
Diffstat (limited to 'gold/object.h')
-rw-r--r-- | gold/object.h | 43 |
1 files changed, 38 insertions, 5 deletions
diff --git a/gold/object.h b/gold/object.h index 36cf949..e3df36d 100644 --- a/gold/object.h +++ b/gold/object.h @@ -14,6 +14,7 @@ namespace gold { +class Stringpool; class Output_section; class Layout; @@ -25,8 +26,6 @@ struct Read_symbols_data File_view* symbols; // Size of symbol data in bytes. off_t symbols_size; - // Index of first global symbol. - unsigned int first_global; // Symbol names. File_view* symbol_names; // Size of symbol name data in bytes. @@ -110,7 +109,13 @@ class Object layout(Layout* lay) { this->do_layout(lay); } - protected: + // Initial local symbol processing: set the offset where local + // symbol information will be stored; add local symbol names to + // *POOL; return the offset following the local symbols. + off_t + finalize_local_symbols(off_t off, Stringpool* pool) + { return this->do_finalize_local_symbols(off, pool); } + // What we need to know to map an input section to an output // section. We keep an array of these, one for each input section, // indexed by the input section number. @@ -123,6 +128,13 @@ class Object off_t offset; }; + // Given a section index, return the corresponding Map_to_output + // information. + const Map_to_output* + section_output_info(unsigned int shnum) const + { return &this->map_to_output_[shnum]; } + + protected: // Read the symbols--implemented by child class. virtual Read_symbols_data do_read_symbols() = 0; @@ -136,6 +148,10 @@ class Object virtual void do_layout(Layout*) = 0; + // Finalize local symbols--implemented by child class. + virtual off_t + do_finalize_local_symbols(off_t, Stringpool*) = 0; + // Get the file. Input_file* input_file() const @@ -152,7 +168,7 @@ class Object // Get the number of sections. unsigned int - shnum(void) const + shnum() const { return this->shnum_; } // Set the number of sections. @@ -243,6 +259,10 @@ class Sized_object : public Object void do_layout(Layout*); + // Finalize the local symbols. + off_t + do_finalize_local_symbols(off_t, Stringpool*); + // Return the appropriate Sized_target structure. Sized_target<size, big_endian>* sized_target() @@ -264,6 +284,11 @@ class Sized_object : public Object static const int ehdr_size = elfcpp::Elf_sizes<size>::ehdr_size; static const int shdr_size = elfcpp::Elf_sizes<size>::shdr_size; static const int sym_size = elfcpp::Elf_sizes<size>::sym_size; + typedef elfcpp::Shdr<size, big_endian> Shdr; + + // Read the section header for section SHNUM. + const unsigned char* + section_header(unsigned int shnum); // Whether to include a section group in the link. bool @@ -286,6 +311,8 @@ class Sized_object : public Object unsigned int symtab_shnum_; // The entries in the symbol table for the external symbols. Symbol** symbols_; + // File offset for local symbols. + off_t local_symbol_offset_; }; // A class to manage the list of all objects. @@ -294,7 +321,7 @@ class Input_objects { public: Input_objects() - : object_list_(), any_dynamic_(false) + : object_list_(), target_(NULL), any_dynamic_(false) { } // The type of the list of input objects. @@ -304,6 +331,11 @@ class Input_objects void add_object(Object*); + // Get the target we should use for the output file. + Target* + target() const + { return this->target_; } + // Iterate over all objects. Object_list::const_iterator begin() const @@ -323,6 +355,7 @@ class Input_objects Input_objects& operator=(const Input_objects&); Object_list object_list_; + Target* target_; bool any_dynamic_; }; |