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gold: Add -Bno-symbolic

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gold/
    PR 27834
    * options.h (General_options): Make -Bsymbolic and
    -Bsymbolic-functions special and adjust the help messages. Add
    enum Bsymbolic_kind and -Bno-symbolic.
    * options.cc (General_options): Define parse_Bno_symbolic,
    parse_Bsymbolic_functions, and parse_Bsymbolic.
This commit is contained in:
Fangrui Song 2021-05-14 15:51:16 -07:00
parent f8eec398fb
commit 823241a27c
3 changed files with 60 additions and 4 deletions
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9
gold/ChangeLog
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@ -1,3 +1,12 @@
2021-05-04 Fangrui Song <maskray@google.com>
PR 27834
* options.h (General_options): Make -Bsymbolic and
-Bsymbolic-functions special and adjust the help messages. Add
enum Bsymbolic_kind and -Bno-symbolic.
* options.cc (General_options): Define parse_Bno_symbolic,
parse_Bsymbolic_functions, and parse_Bsymbolic.
2021-03-30 Alan Modra <amodra@gmail.com>
PR gold/27625

21
gold/options.cc
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@ -340,6 +340,27 @@ General_options::parse_V(const char*, const char*, Command_line*)
printf(" %s\n", *p);
}
void
General_options::parse_Bno_symbolic(const char*, const char*,
Command_line*)
{
this->bsymbolic_ = BSYMBOLIC_NONE;
}
void
General_options::parse_Bsymbolic_functions(const char*, const char*,
Command_line*)
{
this->bsymbolic_ = BSYMBOLIC_FUNCTIONS;
}
void
General_options::parse_Bsymbolic(const char*, const char*,
Command_line*)
{
this->bsymbolic_ = BSYMBOLIC_ALL;
}
void
General_options::parse_defsym(const char*, const char* arg,
Command_line* cmdline)

34
gold/options.h
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@ -747,11 +747,20 @@ class General_options
DEFINE_bool(Bshareable, options::ONE_DASH, '\0', false,
N_("Generate shared library (alias for -G/-shared)"), NULL);
DEFINE_bool(Bsymbolic, options::ONE_DASH, '\0', false,
N_("Bind defined symbols locally"), NULL);
DEFINE_special (Bno_symbolic, options::ONE_DASH, '\0',
N_ ("Don't bind default visibility defined symbols locally "
"for -shared (default)"),
NULL);
DEFINE_bool(Bsymbolic_functions, options::ONE_DASH, '\0', false,
N_("Bind defined function symbols locally"), NULL);
DEFINE_special (Bsymbolic_functions, options::ONE_DASH, '\0',
N_ ("Bind default visibility defined function symbols "
"locally for -shared"),
NULL);
DEFINE_special (
Bsymbolic, options::ONE_DASH, '\0',
N_ ("Bind default visibility defined symbols locally for -shared"),
NULL);
// c
@ -1740,6 +1749,21 @@ class General_options
endianness() const
{ return this->endianness_; }
enum Bsymbolic_kind
{
BSYMBOLIC_NONE,
BSYMBOLIC_FUNCTIONS,
BSYMBOLIC_ALL,
};
bool
Bsymbolic() const
{ return this->bsymbolic_ == BSYMBOLIC_ALL; }
bool
Bsymbolic_functions() const
{ return this->bsymbolic_ == BSYMBOLIC_FUNCTIONS; }
bool
discard_all() const
{ return this->discard_locals_ == DISCARD_ALL; }
@ -1873,6 +1897,8 @@ class General_options
void
copy_from_posdep_options(const Position_dependent_options&);
// Whether we bind default visibility defined symbols locally for -shared.
Bsymbolic_kind bsymbolic_;
// Whether we printed version information.
bool printed_version_;
// Whether to mark the stack as executable.