FreeChainXenon/binutils-gdb
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Support assignments and expressions in linker scripts.

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This commit is contained in:
Ian Lance Taylor 2008-01-09 19:57:45 +00:00
parent cda30489fc
commit e5756efb6d
21 changed files with 1876 additions and 444 deletions
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38
gold/options.cc
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@ -1,6 +1,6 @@
// options.c -- handle command line options for gold
// Copyright 2006, 2007 Free Software Foundation, Inc.
// Copyright 2006, 2007, 2008 Free Software Foundation, Inc.
// Written by Ian Lance Taylor <iant@google.com>.
// This file is part of gold.
@ -29,6 +29,7 @@
#include "libiberty.h"
#include "debug.h"
#include "script.h"
#include "options.h"
namespace gold
@ -154,7 +155,7 @@ invoke_script(int argc, char** argv, char* arg, bool long_option,
arg, long_option,
&ret);
if (!read_commandline_script(script_name, cmdline))
gold::gold_error(_("unable to parse script file %s\n"), script_name);
gold::gold_error(_("unable to parse script file %s"), script_name);
return ret;
}
@ -386,6 +387,9 @@ options::Command_line_options::options[] =
N_("--compress-debug-sections=[none" ZLIB_STR "]"),
TWO_DASHES,
&General_options::set_compress_debug_sections),
GENERAL_ARG('\0', "defsym", N_("Define a symbol"),
N_("--defsym SYMBOL=EXPRESSION"), TWO_DASHES,
&General_options::define_symbol),
GENERAL_NOARG('\0', "demangle", N_("Demangle C++ symbols in log messages"),
NULL, TWO_DASHES, &General_options::set_demangle),
GENERAL_NOARG('\0', "no-demangle",
@ -531,9 +535,8 @@ const int options::Command_line_options::debug_options_size =
// The default values for the general options.
General_options::General_options()
: entry_(NULL),
export_dynamic_(false),
General_options::General_options(Script_options* script_options)
: export_dynamic_(false),
soname_(NULL),
dynamic_linker_(NULL),
search_path_(),
@ -558,7 +561,8 @@ General_options::General_options()
thread_count_middle_(0),
thread_count_final_(0),
execstack_(EXECSTACK_FROM_INPUT),
debug_(0)
debug_(0),
script_options_(script_options)
{
// We initialize demangle_ based on the environment variable
// COLLECT_NO_DEMANGLE. The gcc collect2 program will demangle the
@ -568,13 +572,12 @@ General_options::General_options()
this->demangle_ = getenv("COLLECT_NO_DEMANGLE") == NULL;
}
// The default values for the position dependent options.
// Handle the --defsym option.
Position_dependent_options::Position_dependent_options()
: do_static_search_(false),
as_needed_(false),
include_whole_archive_(false)
void
General_options::define_symbol(const char* arg)
{
this->script_options_->define_symbol(arg);
}
// Handle the -z option.
@ -645,6 +648,15 @@ General_options::add_sysroot()
free(canonical_sysroot);
}
// The default values for the position dependent options.
Position_dependent_options::Position_dependent_options()
: do_static_search_(false),
as_needed_(false),
include_whole_archive_(false)
{
}
// Search_directory methods.
// This is called if we have a sysroot. Apply the sysroot if
@ -721,8 +733,8 @@ Input_arguments::end_group()
// Command_line options.
Command_line::Command_line()
: options_(), position_options_(), inputs_()
Command_line::Command_line(Script_options* script_options)
: options_(script_options), position_options_(), inputs_()
{
}