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* [PATCH] gold: Remove GNU ld incompatible --[no-]define-common [BZ #28871]
@ 2022-02-08  9:07 Fangrui Song
  2022-02-19  0:23 ` Fāng-ruì Sòng
  0 siblings, 1 reply; 3+ messages in thread
From: Fangrui Song @ 2022-02-08  9:07 UTC (permalink / raw)
  To: binutils, Cary Coutant; +Cc: Fangrui Song

In 2008, 0dfbdef4c43cfe12bb3e2505ebe5acc651a35c98 confused
--define-common with -d/FORCE_COMMON_ALLOCATION and implemented
--define-common with -d semantics.

Just remove the GNU ld incompatible --[no-]define-common.
---
 gold/gold.cc    |  2 +-
 gold/options.cc | 14 ++++----------
 gold/options.h  |  9 ++++-----
 3 files changed, 9 insertions(+), 16 deletions(-)

diff --git a/gold/gold.cc b/gold/gold.cc
index 2891d16c7c9..a93489e225e 100644
--- a/gold/gold.cc
+++ b/gold/gold.cc
@@ -708,7 +708,7 @@ queue_middle_tasks(const General_options& options,
   // Allocate common symbols.  We use a blocker to run this before the
   // Scan_relocs tasks, because it writes to the symbol table just as
   // they do.
-  if (parameters->options().define_common())
+  if (parameters->options().dc())
     {
       this_blocker = new Task_token(true);
       this_blocker->add_blocker();
diff --git a/gold/options.cc b/gold/options.cc
index 04be98a3e39..a6c4bda1ae8 100644
--- a/gold/options.cc
+++ b/gold/options.cc
@@ -1136,16 +1136,10 @@ General_options::finalize()
       gold_assert(this->strip_debug());
     }
 
-  // For us, -dc and -dp are synonyms for --define-common.
-  if (this->dc())
-    this->set_define_common(true);
-  if (this->dp())
-    this->set_define_common(true);
-
-  // We also set --define-common if we're not relocatable, as long as
-  // the user didn't explicitly ask for something different.
-  if (!this->user_set_define_common())
-    this->set_define_common(!this->relocatable());
+  // A non-relocatable link always allocates space to COMMON symbols.
+  // -dc, -d, and -dp can force allocation for a relocatable link.
+  if (!this->relocatable() || this->d() || this->dp())
+    this->set_dc(true);
 
   // execstack_status_ is a three-state variable; update it based on
   // -z [no]execstack.
diff --git a/gold/options.h b/gold/options.h
index 9509a445e8e..a994bdcf42a 100644
--- a/gold/options.h
+++ b/gold/options.h
@@ -787,13 +787,12 @@ class General_options
 
   // d
 
-  DEFINE_bool(define_common, options::TWO_DASHES, 'd', false,
-	      N_("Define common symbols"),
-	      N_("Do not define common symbols in relocatable output"));
   DEFINE_bool(dc, options::ONE_DASH, '\0', false,
-	      N_("Alias for -d"), NULL);
+    N_("Allocate space to COMMON symbols for the relocatable link"), NULL);
+  DEFINE_bool(d, options::ONE_DASH, '\0', false,
+	      N_("Alias for -dc"), NULL);
   DEFINE_bool(dp, options::ONE_DASH, '\0', false,
-	      N_("Alias for -d"), NULL);
+	      N_("Alias for -dc"), NULL);
 
   DEFINE_string(debug, options::TWO_DASHES, '\0', "",
 		N_("Turn on debugging"),
-- 
2.35.0.263.gb82422642f-goog


^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] gold: Remove GNU ld incompatible --[no-]define-common [BZ #28871]
  2022-02-08  9:07 [PATCH] gold: Remove GNU ld incompatible --[no-]define-common [BZ #28871] Fangrui Song
@ 2022-02-19  0:23 ` Fāng-ruì Sòng
  2022-03-09  1:33   ` Fāng-ruì Sòng
  0 siblings, 1 reply; 3+ messages in thread
From: Fāng-ruì Sòng @ 2022-02-19  0:23 UTC (permalink / raw)
  To: binutils, Cary Coutant

On Tue, Feb 8, 2022 at 1:08 AM Fangrui Song <maskray@google.com> wrote:
>
> In 2008, 0dfbdef4c43cfe12bb3e2505ebe5acc651a35c98 confused
> --define-common with -d/FORCE_COMMON_ALLOCATION and implemented
> --define-common with -d semantics.
>
> Just remove the GNU ld incompatible --[no-]define-common.
> ---
>  gold/gold.cc    |  2 +-
>  gold/options.cc | 14 ++++----------
>  gold/options.h  |  9 ++++-----
>  3 files changed, 9 insertions(+), 16 deletions(-)
>
> diff --git a/gold/gold.cc b/gold/gold.cc
> index 2891d16c7c9..a93489e225e 100644
> --- a/gold/gold.cc
> +++ b/gold/gold.cc
> @@ -708,7 +708,7 @@ queue_middle_tasks(const General_options& options,
>    // Allocate common symbols.  We use a blocker to run this before the
>    // Scan_relocs tasks, because it writes to the symbol table just as
>    // they do.
> -  if (parameters->options().define_common())
> +  if (parameters->options().dc())
>      {
>        this_blocker = new Task_token(true);
>        this_blocker->add_blocker();
> diff --git a/gold/options.cc b/gold/options.cc
> index 04be98a3e39..a6c4bda1ae8 100644
> --- a/gold/options.cc
> +++ b/gold/options.cc
> @@ -1136,16 +1136,10 @@ General_options::finalize()
>        gold_assert(this->strip_debug());
>      }
>
> -  // For us, -dc and -dp are synonyms for --define-common.
> -  if (this->dc())
> -    this->set_define_common(true);
> -  if (this->dp())
> -    this->set_define_common(true);
> -
> -  // We also set --define-common if we're not relocatable, as long as
> -  // the user didn't explicitly ask for something different.
> -  if (!this->user_set_define_common())
> -    this->set_define_common(!this->relocatable());
> +  // A non-relocatable link always allocates space to COMMON symbols.
> +  // -dc, -d, and -dp can force allocation for a relocatable link.
> +  if (!this->relocatable() || this->d() || this->dp())
> +    this->set_dc(true);
>
>    // execstack_status_ is a three-state variable; update it based on
>    // -z [no]execstack.
> diff --git a/gold/options.h b/gold/options.h
> index 9509a445e8e..a994bdcf42a 100644
> --- a/gold/options.h
> +++ b/gold/options.h
> @@ -787,13 +787,12 @@ class General_options
>
>    // d
>
> -  DEFINE_bool(define_common, options::TWO_DASHES, 'd', false,
> -             N_("Define common symbols"),
> -             N_("Do not define common symbols in relocatable output"));
>    DEFINE_bool(dc, options::ONE_DASH, '\0', false,
> -             N_("Alias for -d"), NULL);
> +    N_("Allocate space to COMMON symbols for the relocatable link"), NULL);
> +  DEFINE_bool(d, options::ONE_DASH, '\0', false,
> +             N_("Alias for -dc"), NULL);
>    DEFINE_bool(dp, options::ONE_DASH, '\0', false,
> -             N_("Alias for -d"), NULL);
> +             N_("Alias for -dc"), NULL);
>
>    DEFINE_string(debug, options::TWO_DASHES, '\0', "",
>                 N_("Turn on debugging"),
> --
> 2.35.0.263.gb82422642f-goog
>

Ping...

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] gold: Remove GNU ld incompatible --[no-]define-common [BZ #28871]
  2022-02-19  0:23 ` Fāng-ruì Sòng
@ 2022-03-09  1:33   ` Fāng-ruì Sòng
  0 siblings, 0 replies; 3+ messages in thread
From: Fāng-ruì Sòng @ 2022-03-09  1:33 UTC (permalink / raw)
  To: binutils, Cary Coutant

On 2022-02-18, Fāng-ruì Sòng wrote:
>On Tue, Feb 8, 2022 at 1:08 AM Fangrui Song <maskray@google.com> wrote:
>>
>> In 2008, 0dfbdef4c43cfe12bb3e2505ebe5acc651a35c98 confused
>> --define-common with -d/FORCE_COMMON_ALLOCATION and implemented
>> --define-common with -d semantics.
>>
>> Just remove the GNU ld incompatible --[no-]define-common.
>> ---
>>  gold/gold.cc    |  2 +-
>>  gold/options.cc | 14 ++++----------
>>  gold/options.h  |  9 ++++-----
>>  3 files changed, 9 insertions(+), 16 deletions(-)
>>
>> diff --git a/gold/gold.cc b/gold/gold.cc
>> index 2891d16c7c9..a93489e225e 100644
>> --- a/gold/gold.cc
>> +++ b/gold/gold.cc
>> @@ -708,7 +708,7 @@ queue_middle_tasks(const General_options& options,
>>    // Allocate common symbols.  We use a blocker to run this before the
>>    // Scan_relocs tasks, because it writes to the symbol table just as
>>    // they do.
>> -  if (parameters->options().define_common())
>> +  if (parameters->options().dc())
>>      {
>>        this_blocker = new Task_token(true);
>>        this_blocker->add_blocker();
>> diff --git a/gold/options.cc b/gold/options.cc
>> index 04be98a3e39..a6c4bda1ae8 100644
>> --- a/gold/options.cc
>> +++ b/gold/options.cc
>> @@ -1136,16 +1136,10 @@ General_options::finalize()
>>        gold_assert(this->strip_debug());
>>      }
>>
>> -  // For us, -dc and -dp are synonyms for --define-common.
>> -  if (this->dc())
>> -    this->set_define_common(true);
>> -  if (this->dp())
>> -    this->set_define_common(true);
>> -
>> -  // We also set --define-common if we're not relocatable, as long as
>> -  // the user didn't explicitly ask for something different.
>> -  if (!this->user_set_define_common())
>> -    this->set_define_common(!this->relocatable());
>> +  // A non-relocatable link always allocates space to COMMON symbols.
>> +  // -dc, -d, and -dp can force allocation for a relocatable link.
>> +  if (!this->relocatable() || this->d() || this->dp())
>> +    this->set_dc(true);
>>
>>    // execstack_status_ is a three-state variable; update it based on
>>    // -z [no]execstack.
>> diff --git a/gold/options.h b/gold/options.h
>> index 9509a445e8e..a994bdcf42a 100644
>> --- a/gold/options.h
>> +++ b/gold/options.h
>> @@ -787,13 +787,12 @@ class General_options
>>
>>    // d
>>
>> -  DEFINE_bool(define_common, options::TWO_DASHES, 'd', false,
>> -             N_("Define common symbols"),
>> -             N_("Do not define common symbols in relocatable output"));
>>    DEFINE_bool(dc, options::ONE_DASH, '\0', false,
>> -             N_("Alias for -d"), NULL);
>> +    N_("Allocate space to COMMON symbols for the relocatable link"), NULL);
>> +  DEFINE_bool(d, options::ONE_DASH, '\0', false,
>> +             N_("Alias for -dc"), NULL);
>>    DEFINE_bool(dp, options::ONE_DASH, '\0', false,
>> -             N_("Alias for -d"), NULL);
>> +             N_("Alias for -dc"), NULL);
>>
>>    DEFINE_string(debug, options::TWO_DASHES, '\0', "",
>>                 N_("Turn on debugging"),
>> --
>> 2.35.0.263.gb82422642f-goog
>>
>
>Ping...

ping^2 :)

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2022-03-09  1:33 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-02-08  9:07 [PATCH] gold: Remove GNU ld incompatible --[no-]define-common [BZ #28871] Fangrui Song
2022-02-19  0:23 ` Fāng-ruì Sòng
2022-03-09  1:33   ` Fāng-ruì Sòng

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