#define GOLD_SCRIPT_H
#include <cstdio>
+#include <string>
#include <vector>
#include "script-sections.h"
class Command_line;
class Symbol_table;
class Layout;
+class Mapfile;
class Input_argument;
+class Input_arguments;
class Input_objects;
class Input_group;
class Input_file;
{ }
// Return the value of the expression which is not permitted to
- // refer to the dot symbol.
+ // refer to the dot symbol. CHECK_ASSERTIONS is true if we should
+ // check whether assertions are true.
uint64_t
- eval(const Symbol_table*, const Layout*);
+ eval(const Symbol_table*, const Layout*, bool check_assertions);
// Return the value of an expression which is permitted to refer to
// the dot symbol. DOT_VALUE is the absolute value of the dot
// value; to get a section relative value the caller must subtract
// the section address.
uint64_t
- eval_with_dot(const Symbol_table*, const Layout*, uint64_t dot_value,
- Output_section* dot_section, Output_section** result_section);
+ eval_with_dot(const Symbol_table*, const Layout*, bool check_assertions,
+ uint64_t dot_value, Output_section* dot_section,
+ Output_section** result_section);
// Return the value of an expression which may or may not be
// permitted to refer to the dot symbol, depending on
// is_dot_available.
uint64_t
- eval_maybe_dot(const Symbol_table*, const Layout*, bool is_dot_available,
- uint64_t dot_value, Output_section* dot_section,
+ eval_maybe_dot(const Symbol_table*, const Layout*, bool check_assertions,
+ bool is_dot_available, uint64_t dot_value,
+ Output_section* dot_section,
Output_section** result_section);
// Print the expression to the FILE. This is for debugging.
empty() const
{ return this->version_trees_.empty(); }
- // Return the version associated with the given symbol name.
- // Strings are allocated out of the stringpool given in the
- // constructor. Strings are allocated out of the stringpool given
- // in the constructor.
- const std::string&
- get_symbol_version(const char* symbol) const
- { return get_symbol_version_helper(symbol, true); }
-
- // Return whether this symbol matches the local: section of a
- // version script (it doesn't matter which).
+ // If there is a version associated with SYMBOL, return true, and
+ // set *VERSION to the version. Otherwise, return false.
+ bool
+ get_symbol_version(const char* symbol, std::string* version) const
+ { return this->get_symbol_version_helper(symbol, true, version); }
+
+ // Return whether this symbol matches the local: section of some
+ // version.
bool
symbol_is_local(const char* symbol) const
- {
- return (get_symbol_version(symbol).empty()
- && !get_symbol_version_helper(symbol, false).empty());
- }
+ { return this->get_symbol_version_helper(symbol, false, NULL); }
// Return the names of versions defined in the version script.
// Strings are allocated out of the stringpool given in the
void
print_expression_list(FILE* f, const Version_expression_list*) const;
- const std::string& get_symbol_version_helper(const char* symbol,
- bool check_global) const;
+ bool get_symbol_version_helper(const char* symbol,
+ bool check_global,
+ std::string* pversion) const;
std::vector<struct Version_dependency_list*> dependency_lists_;
std::vector<struct Version_expression_list*> expression_lists_;
// Set the symbol value, but only if the value is absolute. This is
// used while processing a SECTIONS clause. We assume that dot is
- // an absolute value here.
+ // an absolute value here. We do not check assertions.
void
set_if_absolute(Symbol_table*, const Layout*, bool is_dot_available,
uint64_t dot_value);
public:
Script_options();
- // The entry address.
- const char*
- entry() const
- { return this->entry_.empty() ? NULL : this->entry_.c_str(); }
-
- // Set the entry address.
- void
- set_entry(const char* entry, size_t length)
- { this->entry_.assign(entry, length); }
-
// Add a symbol to be defined.
void
add_symbol_assignment(const char* name, size_t length, Expression* value,
bool
define_symbol(const char* definition);
+ // Create sections required by any linker scripts.
+ void
+ create_script_sections(Layout*);
+
// Add all symbol definitions to the symbol table.
void
add_symbols_to_table(Symbol_table*);
version_script_info()
{ return &this->version_script_info_; }
+ const Version_script_info*
+ version_script_info() const
+ { return &this->version_script_info_; }
+
// A SECTIONS clause parsed from a linker script. Everything else
// has a pointer to this object.
Script_sections*
script_sections()
{ return &this->script_sections_; }
+ const Script_sections*
+ script_sections() const
+ { return &this->script_sections_; }
+
// Whether we saw a SECTIONS clause.
bool
saw_sections_clause() const
Script_sections script_sections_;
};
+// Information about a script input that will persist during the whole linker
+// run. Needed only during an incremental build to retrieve the input files
+// added by this script.
+
+class Script_info
+{
+ public:
+ Script_info(Input_arguments* inputs)
+ : inputs_(inputs)
+ { }
+
+ // Returns the input files included because of this script.
+ Input_arguments*
+ inputs()
+ { return inputs_; }
+
+ private:
+ Input_arguments* inputs_;
+};
+
// FILE was found as an argument on the command line, but was not
-// recognized as an ELF file. Try to read it as a script. We've
-// already read BYTES of data into P. Return true if the file was
-// handled. This has to handle /usr/lib/libc.so on a GNU/Linux
-// system.
+// recognized as an ELF file. Try to read it as a script. Return
+// true if the file was handled. This has to handle /usr/lib/libc.so
+// on a GNU/Linux system. *USED_NEXT_BLOCKER is set to indicate
+// whether the function took over NEXT_BLOCKER.
bool
-read_input_script(Workqueue*, const General_options&, Symbol_table*, Layout*,
- Dirsearch*, Input_objects*, Input_group*,
- const Input_argument*, Input_file*, const unsigned char* p,
- off_t bytes, Task_token* this_blocker,
- Task_token* next_blocker);
+read_input_script(Workqueue*, Symbol_table*, Layout*, Dirsearch*, int,
+ Input_objects*, Mapfile*, Input_group*,
+ const Input_argument*, Input_file*,
+ Task_token* next_blocker, bool* used_next_blocker);
// FILE was found as an argument to --script (-T).
// Read it as a script, and execute its contents immediately.
bool
-read_commandline_script(const char* filename, Command_line*);
+read_commandline_script(const char* filename, Command_line* cmdline);
// FILE was found as an argument to --version-script. Read it as a
// version script, and store its contents in
bool
read_version_script(const char* filename, Command_line* cmdline);
+// FILENAME was found as an argument to --dynamic-list. Read it as a
+// version script (actually, a versym_node from a version script), and
+// store its contents in DYNAMIC_LIST.
+
+bool
+read_dynamic_list(const char* filename, Command_line* cmdline,
+ Script_options* dynamic_list);
} // End namespace gold.
projects / binutils-gdb.git / blobdiff