Add target_section constructor

This adds a constructor to target_section, simplifying the code that
creates instances of this.

gdb/ChangeLog
2020-10-29  Tom Tromey  <tom@tromey.com>

	* target-section.h (struct target_section): Add constructor.
	* exec.c (build_section_table, add_target_sections_of_objfile):
	Update.
	* corelow.c (core_target::build_file_mappings): Update.

1 files changed, 1 insertions, 6 deletions

diff --git a/gdb/corelow.c b/gdb/corelow.c
index a54d815..4f3c880 100644
--- a/gdb/corelow.c
+++ b/gdb/corelow.c
@@ -266,12 +266,7 @@ core_target::build_file_mappings ()
 	bfd_set_section_alignment (sec, 2);
 
 	/* Set target_section fields.  */
-	m_core_file_mappings.emplace_back ();
-	target_section &ts = m_core_file_mappings.back ();
-	ts.addr = start;
-	ts.endaddr = end;
-	ts.owner = nullptr;
-	ts.the_bfd_section = sec;
+	m_core_file_mappings.emplace_back (start, end, sec);
       });
 
   normalize_mem_ranges (&m_core_unavailable_mappings);