Toolchain/binutils-gdb
1
0
Fork 0
forked from Imagelibrary/binutils-gdb
Code Pull Requests Activity

Add support for PT_GNU_STACK.

Browse Source
This commit is contained in:
Ian Lance Taylor
2007-10-23 05:05:48 +00:00
parent 5cab600649
commit 35cdfc9a87
13 changed files with 233 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files

60
gold/options.cc
View File

@@ -93,11 +93,24 @@ struct options::One_option
{ return this->general_arg != NULL || this->dependent_arg != NULL; }
};
// We have a separate table for -z options.
struct options::One_z_option
{
// The name of the option.
const char* name;
// The member function in General_options called to record it.
void (General_options::*set)();
};
class options::Command_line_options
{
public:
static const One_option options[];
static const int options_size;
static const One_z_option z_options[];
static const int z_options_size;
};
} // End namespace gold.
@@ -394,6 +407,14 @@ options::Command_line_options::options[] =
N_("Include only needed archive contents"),
NULL, TWO_DASHES,
&Position_dependent_options::clear_whole_archive),
GENERAL_ARG('z', NULL,
N_("Subcommands as follows:\n\
-z execstack Mark output as requiring executable stack\n\
-z noexecstack Mark output as not requiring executable stack"),
N_("-z SUBCOMMAND"), ONE_DASH,
&General_options::handle_z_option),
SPECIAL('(', "start-group", N_("Start a library search group"), NULL,
TWO_DASHES, &start_group),
SPECIAL(')', "end-group", N_("End a library search group"), NULL,
@@ -407,6 +428,18 @@ options::Command_line_options::options[] =
const int options::Command_line_options::options_size =
sizeof (options) / sizeof (options[0]);
// The -z options.
const options::One_z_option
options::Command_line_options::z_options[] =
{
{ "execstack", &General_options::set_execstack },
{ "noexecstack", &General_options::set_noexecstack },
};
const int options::Command_line_options::z_options_size =
sizeof(z_options) / sizeof(z_options[0]);
// The default values for the general options.
General_options::General_options()
@@ -429,7 +462,8 @@ General_options::General_options()
threads_(false),
thread_count_initial_(0),
thread_count_middle_(0),
thread_count_final_(0)
thread_count_final_(0),
execstack_(EXECSTACK_FROM_INPUT)
{
}
@@ -442,6 +476,28 @@ Position_dependent_options::Position_dependent_options()
{
}
// Handle the -z option.
void
General_options::handle_z_option(const char* arg)
{
const int z_options_size = options::Command_line_options::z_options_size;
const gold::options::One_z_option* z_options =
gold::options::Command_line_options::z_options;
for (int i = 0; i < z_options_size; ++i)
{
if (strcmp(arg, z_options[i].name) == 0)
{
(this->*(z_options[i].set))();
return;
}
}
fprintf(stderr, _("%s: unrecognized -z subcommand: %s\n"),
program_name, arg);
::exit(1);
}
// Add the sysroot, if any, to the search paths.
void
@@ -686,7 +742,7 @@ Command_line::process(int argc, char** argv)
if (this->inputs_.in_group())
{
fprintf(stderr, _("%s: missing group end"), program_name);
fprintf(stderr, _("%s: missing group end\n"), program_name);
this->usage();
}