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2008-09-11 Chris Demetriou <cgd@google.com>

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* options.h (origin): New -z option.
        * layout.cc (Layout:finish_dynamic_section): If "-z origin"
        is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
        in DT_FLAGS_1.
This commit is contained in:
Chris Demetriou 2008-09-12 05:42:29 +00:00
parent d140ac6b03
commit 7be8330a59
3 changed files with 14 additions and 0 deletions
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7
gold/ChangeLog
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@ -1,3 +1,10 @@
2008-09-11 Chris Demetriou <cgd@google.com>
* options.h (origin): New -z option.
* layout.cc (Layout:finish_dynamic_section): If "-z origin"
is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
in DT_FLAGS_1.
2008-09-05 Cary Coutant <ccoutant@google.com> 2008-09-05 Cary Coutant <ccoutant@google.com>
* fileread.cc (File_read::make_view): Add check for attempt to map * fileread.cc (File_read::make_view): Add check for attempt to map

4
gold/layout.cc
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@ -2753,6 +2753,8 @@ Layout::finish_dynamic_section(const Input_objects* input_objects,
} }
if (parameters->options().shared() && this->has_static_tls()) if (parameters->options().shared() && this->has_static_tls())
flags |= elfcpp::DF_STATIC_TLS; flags |= elfcpp::DF_STATIC_TLS;
if (parameters->options().origin())
flags |= elfcpp::DF_ORIGIN;
odyn->add_constant(elfcpp::DT_FLAGS, flags); odyn->add_constant(elfcpp::DT_FLAGS, flags);
flags = 0; flags = 0;
@ -2774,6 +2776,8 @@ Layout::finish_dynamic_section(const Input_objects* input_objects,
flags &= ~(elfcpp::DF_1_INITFIRST flags &= ~(elfcpp::DF_1_INITFIRST
| elfcpp::DF_1_NODELETE | elfcpp::DF_1_NODELETE
| elfcpp::DF_1_NOOPEN); | elfcpp::DF_1_NOOPEN);
if (parameters->options().origin())
flags |= elfcpp::DF_1_ORIGIN;
if (flags) if (flags)
odyn->add_constant(elfcpp::DT_FLAGS_1, flags); odyn->add_constant(elfcpp::DT_FLAGS_1, flags);
} }

3
gold/options.h
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@ -837,6 +837,9 @@ class General_options
DEFINE_bool(relro, options::DASH_Z, '\0', false, DEFINE_bool(relro, options::DASH_Z, '\0', false,
N_("Where possible mark variables read-only after relocation"), N_("Where possible mark variables read-only after relocation"),
N_("Don't mark variables read-only after relocation")); N_("Don't mark variables read-only after relocation"));
DEFINE_bool(origin, options::DASH_Z, '\0', false,
N_("Mark DSO to indicate that needs immediate $ORIGIN "
"processing at runtime"), NULL);
public: public:
typedef options::Dir_list Dir_list; typedef options::Dir_list Dir_list;