Record minimal symbols directly in reader.

This patch changes minimal symbol creation in two ways.  First, it
removes global variables in favor of members of minimal_symbol_reader.
Second, it changes functions like prim_record_minimal_symbol to be
member functions of minimal_symbol_reader.

2016-10-21  Tom Tromey  <tom@tromey.com>

	* xcoffread.c (record_minimal_symbol, scan_xcoff_symtab): Add
	"reader" argument.  Update.
	(xcoff_initial_scan): Update.
	* symfile.h (mdebug_build_psymtabs): Add "reader" argument.
	* mipsread.c (mipscoff_symfile_read): Update.
	(read_alphacoff_dynamic_symtab): Add "reader" argument.  Update.
	* minsyms.h (minimal_symbol_reader) <record, record_full>:
	Declare.
	<m_msym_bunch, m_msym_bunch_index, m_msym_count>: New members.
	<record_with_info>: New function, renamed from
	prim_record_minimal_symbol_and_info.
	* minsyms.c (msym_bunch, msym_bunch_index, msym_count): Remove
	globals.
	(minimal_symbol_reader): Initialize new members.
	(minimal_symbol_reader::record): Renamed from
	prim_record_minimal_symbol.
	(minimal_symbol_reader::record_full): Renamed from
	prim_record_minimal_symbol_full.
	(prim_record_minimal_symbol_and_info): Move to minsyms.h; rename.
	* mdebugread.c (mdebug_build_psymtabs, parse_partial_symbols)
	(record_minimal_symbol): Add "reader" argument.  Update.
	(elfmdebug_build_psymtabs): Update.
	* machoread.c (macho_symtab_add_minsym, macho_symtab_read): Add
	"reader" argument.  Update.
	(macho_symfile_read): Update.
	* elfread.c (record_minimal_symbol, elf_symtab_read)
	(elf_rel_plt_read): Add "reader" argument.  Update.
	(elf_read_minimal_symbols): Update.
	* dbxread.c (record_minimal_symbol, read_dbx_dynamic_symtab)
	(read_dbx_symtab): Add "reader" argument.  Update.
	(dbx_symfile_read): Update.
	* coffread.c (record_minimal_symbol, coff_symtab_read): Add
	"reader" argument.  Update.
	(coff_symfile_read): Update.
	* coff-pe-read.h (read_pe_exported_syms): Add "reader" argument.
	* coff-pe-read.c (add_pe_exported_sym, add_pe_forwarded_sym)
	(read_pe_exported_syms): Add "reader" argument.  Update.

1 files changed, 15 insertions, 15 deletions

diff --git a/gdb/coff-pe-read.c b/gdb/coff-pe-read.c
index 8836361..b0201d1 100644
--- a/gdb/coff-pe-read.c
+++ b/gdb/coff-pe-read.c
@@ -150,7 +150,8 @@ get_section_vmas (bfd *abfd, asection *sectp, void *context)
    OBJFILE is the objfile struct of DLL_NAME.  */
 
 static void
-add_pe_exported_sym (const char *sym_name,
+add_pe_exported_sym (minimal_symbol_reader &reader,
+		     const char *sym_name,
 		     unsigned long func_rva,
 		     int ordinal,
 		     const struct read_pe_section_data *section_data,
@@ -176,13 +177,12 @@ add_pe_exported_sym (const char *sym_name,
 			" for entry \"%s\" in dll \"%s\"\n"),
 			section_data->section_name, sym_name, dll_name);
 
-  prim_record_minimal_symbol_and_info (qualified_name, vma,
-				       section_data->ms_type,
-				       section_data->index, objfile);
+  reader.record_with_info (qualified_name, vma, section_data->ms_type,
+			   section_data->index);
 
   /* Enter the plain name as well, which might not be unique.  */
-  prim_record_minimal_symbol_and_info (bare_name, vma, section_data->ms_type,
-				       section_data->index, objfile);
+  reader.record_with_info (bare_name, vma, section_data->ms_type,
+			   section_data->index);
   if (debug_coff_pe_read > 1)
     fprintf_unfiltered (gdb_stdlog, _("Adding exported symbol \"%s\""
 			" in dll \"%s\"\n"), sym_name, dll_name);
@@ -200,7 +200,8 @@ add_pe_exported_sym (const char *sym_name,
    OBJFILE is the objfile struct of DLL_NAME.  */
 
 static int
-add_pe_forwarded_sym (const char *sym_name, const char *forward_dll_name,
+add_pe_forwarded_sym (minimal_symbol_reader &reader,
+		      const char *sym_name, const char *forward_dll_name,
 		      const char *forward_func_name, int ordinal,
 		      const char *dll_name, struct objfile *objfile)
 {
@@ -266,12 +267,10 @@ add_pe_forwarded_sym (const char *sym_name, const char *forward_dll_name,
      code.  */
   baseaddr = ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
 
-  prim_record_minimal_symbol_and_info (qualified_name, vma - baseaddr,
-				       msymtype, section, objfile);
+  reader.record_with_info (qualified_name, vma - baseaddr, msymtype, section);
 
   /* Enter the plain name as well, which might not be unique.  */
-  prim_record_minimal_symbol_and_info (bare_name, vma - baseaddr, msymtype,
-				       section, objfile);
+  reader.record_with_info (bare_name, vma - baseaddr, msymtype, section);
   xfree (qualified_name);
   xfree (bare_name);
 
@@ -331,7 +330,8 @@ pe_as32 (void *ptr)
    pe_implied_import_dll in pe-dll.c.  */
 
 void
-read_pe_exported_syms (struct objfile *objfile)
+read_pe_exported_syms (minimal_symbol_reader &reader,
+		       struct objfile *objfile)
 {
   bfd *dll = objfile->obfd;
   unsigned long nbnormal, nbforward;
@@ -580,7 +580,7 @@ read_pe_exported_syms (struct objfile *objfile)
 	      forward_dll_name[len] = '\0';
 	      forward_func_name = ++sep;
 	    }
-	  if (add_pe_forwarded_sym (funcname, forward_dll_name,
+	  if (add_pe_forwarded_sym (reader, funcname, forward_dll_name,
 				    forward_func_name, ordinal,
 				    dll_name, objfile) != 0)
 	    ++nbforward;
@@ -595,7 +595,7 @@ read_pe_exported_syms (struct objfile *objfile)
 	      char *sym_name = (char *) (erva + name_rva);
 
 	      section_found = 1;
-	      add_pe_exported_sym (sym_name, func_rva, ordinal,
+	      add_pe_exported_sym (reader, sym_name, func_rva, ordinal,
 				   section_data + sectix, dll_name, objfile);
 	      ++nbnormal;
 	      break;
@@ -607,7 +607,7 @@ read_pe_exported_syms (struct objfile *objfile)
 
 	  if (name_rva == 0)
 	    {
-	      add_pe_exported_sym (NULL, func_rva, ordinal,
+	      add_pe_exported_sym (reader, NULL, func_rva, ordinal,
 				   section_data, dll_name, objfile);
 	      ++nbnormal;
 	    }