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Add --orphan-handling option.

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gold/
	PR gold/20749
	* options.h (--orphan-handling): New option.
	(General_options::Orphan_handling): New enum.
	(General_options::orphan_handling_enum): New method.
	(General_options::set_orphan_handling_enum): New method.
	(General_options::orphan_handling_enum_): New data member.
	* options.cc (General_options::General_options): Initialize new member.
	(General_options::finalize): Convert --orphan-handling argument to enum.
	* script-sections.cc (Script_sections::output_section_name): Check it.
This commit is contained in:
Cary Coutant
2016-12-13 13:01:13 -08:00
parent 03fb64f837
commit 591be3e4a8
4 changed files with 80 additions and 4 deletions
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30
gold/script-sections.cc
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@@ -3592,13 +3592,37 @@ Script_sections::output_section_name(
}
}
// If we couldn't find a mapping for the name, the output section
// gets the name of the input section.
// We have an orphan section.
*output_section_slot = NULL;
*psection_type = Script_sections::ST_NONE;
*keep = false;
General_options::Orphan_handling orphan_handling =
parameters->options().orphan_handling_enum();
if (orphan_handling == General_options::ORPHAN_DISCARD)
return NULL;
if (orphan_handling == General_options::ORPHAN_ERROR)
{
if (file_name == NULL)
gold_error(_("unplaced orphan section '%s'"), section_name);
else
gold_error(_("unplaced orphan section '%s' from '%s'"),
section_name, file_name);
return NULL;
}
if (orphan_handling == General_options::ORPHAN_WARN)
{
if (file_name == NULL)
gold_warning(_("orphan section '%s' is being placed in section '%s'"),
section_name, section_name);
else
gold_warning(_("orphan section '%s' from '%s' is being placed "
"in section '%s'"),
section_name, file_name, section_name);
}
// If we couldn't find a mapping for the name, the output section
// gets the name of the input section.
return section_name;
}