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Add an option to the gold linker to put its version string into the .comment section.

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PR 30187
  * options.h (class General_options): Add enable-linker-version.
  * layout.cc (Layout::create_gold_note): If linker-version is enabled put the version string into the .comment section.
This commit is contained in:
Nick Clifton
2023-03-27 11:10:10 +01:00
parent 1770eca698
commit eb42b9d6f9
3 changed files with 41 additions and 11 deletions
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gold/ChangeLog
+7
View File
@@ -1,3 +1,10 @@
2023-03-27 Nick Clifton <nickc@redhat.com>
PR 30187
* options.h (class General_options): Add enable-linker-version.
* layout.cc (Layout::create_gold_note): If linker-version is
enabled put the version string into the .comment section.
2023-01-03 Nick Clifton <nickc@redhat.com>
* po/ro.po: Updated Romainian translation.
gold/layout.cc
+30 -11
View File
@@ -3333,19 +3333,38 @@ Layout::create_gold_note()
std::string desc = std::string("gold ") + gold::get_version_string();
size_t trailing_padding;
Output_section* os = this->create_note("GNU", elfcpp::NT_GNU_GOLD_VERSION,
".note.gnu.gold-version", desc.size(),
false, &trailing_padding);
if (os == NULL)
return;
Output_section* os;
Output_section_data* posd;
Output_section_data* posd = new Output_data_const(desc, 4);
os->add_output_section_data(posd);
if (trailing_padding > 0)
if (!parameters->options().enable_linker_version())
{
posd = new Output_data_zero_fill(trailing_padding, 0);
size_t trailing_padding;
os = this->create_note("GNU", elfcpp::NT_GNU_GOLD_VERSION,
".note.gnu.gold-version", desc.size(),
false, &trailing_padding);
if (os == NULL)
return;
posd = new Output_data_const(desc, 4);
os->add_output_section_data(posd);
if (trailing_padding > 0)
{
posd = new Output_data_zero_fill(trailing_padding, 0);
os->add_output_section_data(posd);
}
}
else
{
os = this->choose_output_section(NULL, ".comment",
elfcpp::SHT_PROGBITS, 0,
false, ORDER_INVALID,
false, false, false);
if (os == NULL)
return;
posd = new Output_data_const(desc, 1);
os->add_output_section_data(posd);
}
}
gold/options.h
+4
View File
@@ -847,6 +847,10 @@ class General_options
N_("Enable use of DT_RUNPATH"),
N_("Disable use of DT_RUNPATH"));
DEFINE_enable(linker_version, options::EXACTLY_TWO_DASHES, '\0', false,
N_("Put the linker version string into the .comment section"),
N_("Put the linker version string into the .note.gnu.gold-version section"));
DEFINE_bool(enum_size_warning, options::TWO_DASHES, '\0', true, NULL,
N_("(ARM only) Do not warn about objects with incompatible "
"enum sizes"));