Introduce accessors for psymtab high and low fields

This introduces accessors for the partial symbol table textlow and
texthigh fields.  This lets us later arrange to relocate these values
at their point of use.

I did this conversion by renaming the fields.  I didn't rename the
fields back afterward, thinking that on the off chance that someone
has a patch touching this area, then a merge would helpfully break
their compile.

I looked at making the fields private, but this interferes with the
memset in allocate_psymtab, and I didn't want to chase this down.
This conversion can be done later if need be.

gdb/ChangeLog
2018-07-26  Tom Tromey  <tom@tromey.com>

	* dbxread.c (read_dbx_symtab, end_psymtab, read_ofile_symtab):
	Update.
	* dwarf2read.c (dwarf2_create_include_psymtab): Don't initialize
	textlow and texthigh fields.
	(process_psymtab_comp_unit_reader, dwarf2_build_include_psymtabs):
	Update.
	* mdebugread.c (parse_lines, parse_partial_symbols)
	(psymtab_to_symtab_1): Update.
	* psympriv.h (struct partial_symtab) <m_text_low, m_text_high>:
	Rename fields.  Update comment.  Now private.
	<text_low, text_high, set_text_low, set_text_high>: New methods.
	* psymtab.c (find_pc_sect_psymtab_closer, find_pc_sect_psymtab)
	(find_pc_sect_psymbol, relocate_psymtabs, dump_psymtab)
	(start_psymtab_common, maintenance_info_psymtabs)
	(maintenance_check_psymtabs): Update.
	* xcoffread.c (xcoff_end_psymtab): Don't initialize textlow and
	texthigh fields.
	(scan_xcoff_symtab): Update.

1 files changed, 29 insertions, 3 deletions

diff --git a/gdb/psympriv.h b/gdb/psympriv.h
index be574bf..7116a1a 100644
--- a/gdb/psympriv.h
+++ b/gdb/psympriv.h
@@ -98,6 +98,31 @@ enum psymtab_search_status
 
 struct partial_symtab
 {
+  /* Return the low text address of this partial_symtab.  */
+  CORE_ADDR text_low () const
+  {
+    return m_text_low;
+  }
+
+  /* Return the high text address of this partial_symtab.  */
+  CORE_ADDR text_high () const
+  {
+    return m_text_high;
+  }
+
+  /* Set the low text address of this partial_symtab.  */
+  void set_text_low (CORE_ADDR addr)
+  {
+    m_text_low = addr;
+  }
+
+  /* Set the hight text address of this partial_symtab.  */
+  void set_text_high (CORE_ADDR addr)
+  {
+    m_text_high = addr;
+  }
+
+
   /* Chain of all existing partial symtabs.  */
 
   struct partial_symtab *next;
@@ -118,10 +143,11 @@ struct partial_symtab
 
   /* Range of text addresses covered by this file; texthigh is the
      beginning of the next section.  Do not use if PSYMTABS_ADDRMAP_SUPPORTED
-     is set.  */
+     is set.  Do not refer directly to these fields.  Instead, use the
+     accessors.  */
 
-  CORE_ADDR textlow;
-  CORE_ADDR texthigh;
+  CORE_ADDR m_text_low;
+  CORE_ADDR m_text_high;
 
   /* If NULL, this is an ordinary partial symbol table.