Commit ea8dbf66 authored by Vivek Das Mohapatra's avatar Vivek Das Mohapatra
Browse files

Implement and document -z unique / -z nounique handling in gold

parent db145a3a
......@@ -5358,6 +5358,12 @@ Layout::finish_dynamic_section(const Input_objects* input_objects,
flags |= elfcpp::DF_1_PIE;
if (flags != 0)
odyn->add_constant(elfcpp::DT_FLAGS_1, flags);
flags = 0;
if (parameters->options().unique())
flags |= elfcpp::DF_GNU_1_UNIQUE;
if (flags != 0)
odyn->add_constant(elfcpp::DT_GNU_FLAGS_1, flags);
}
// Set the size of the _DYNAMIC symbol table to be the size of the
......
......@@ -1463,6 +1463,9 @@ class General_options
DEFINE_bool(interpose, options::DASH_Z, '\0', false,
N_("Mark object to interpose all DSOs but executable"),
NULL);
DEFINE_bool(unique, options::DASH_Z, '\0', false,
N_("Mark DSO to be loaded at most once, and only in the main namespace"),
N_("Do not mark the DSO as one to be loaded only in the main namespace"));
DEFINE_bool_alias(lazy, now, options::DASH_Z, '\0',
N_("Mark object for lazy runtime binding"),
NULL, true);
......
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