Move some code from buildsym to stabsread

A few things that currently reside in buildsym.c turn out to be
specific to the stabs reader.  This patch moves these from
buildsym.[ch] to stabsread.[ch].

gdb/ChangeLog
2018-07-16  Tom Tromey  <tom@tromey.com>

	* stabsread.h (HASHSIZE, hashname, symnum, next_symbol_text)
	(next_symbol_text_func): Move from buildsym.h.
	* stabsread.c (hashname): Move from buildsym.c.
	* buildsym.h (HASHSIZE, symnum, next_symbol_text)
	(next_symbol_text_func, hashname): Move to stabsread.h.
	* buildsym.c: Don't include bcache.h
	(hashname): Move to stasbread.c.

5 files changed, 36 insertions, 25 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 39936a4..ad72cd8 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,15 @@
 2018-07-16  Tom Tromey  <tom@tromey.com>
 
+	* stabsread.h (HASHSIZE, hashname, symnum, next_symbol_text)
+	(next_symbol_text_func): Move from buildsym.h.
+	* stabsread.c (hashname): Move from buildsym.c.
+	* buildsym.h (HASHSIZE, symnum, next_symbol_text)
+	(next_symbol_text_func, hashname): Move to stabsread.h.
+	* buildsym.c: Don't include bcache.h
+	(hashname): Move to stasbread.c.
+
+2018-07-16  Tom Tromey  <tom@tromey.com>
+
 	* buildsym.h (context_stack_size): Don't declare.
 	* buildsym.c (context_stack_size): New global.
 
diff --git a/gdb/buildsym.c b/gdb/buildsym.c
index 26c5110..f2176e2 100644
--- a/gdb/buildsym.c
+++ b/gdb/buildsym.c
@@ -74,7 +74,6 @@
 #include "gdbtypes.h"
 #include "complaints.h"
 #include "expression.h"		/* For "enum exp_opcode" used by...  */
-#include "bcache.h"
 #include "filenames.h"		/* For DOSish file names.  */
 #include "macrotab.h"
 #include "demangle.h"		/* Needed by SYMBOL_INIT_DEMANGLED_NAME.  */
@@ -1667,15 +1666,6 @@ pop_context (void)
 
 
 
-/* Compute a small integer hash code for the given name.  */
-
-int
-hashname (const char *name)
-{
-    return (hash(name,strlen(name)) % HASHSIZE);
-}
-
-
 void
 record_debugformat (const char *format)
 {
diff --git a/gdb/buildsym.h b/gdb/buildsym.h
index 191db8c..0b19c39 100644
--- a/gdb/buildsym.h
+++ b/gdb/buildsym.h
@@ -46,9 +46,6 @@ struct dynamic_prop;
 #define	EXTERN extern
 #endif
 
-#define HASHSIZE 127		/* Size of things hashed via
-				   hashname().  */
-
 /* The list of sub-source-files within the current individual
    compilation.  Each file gets its own symtab with its own linetable
    and associated info, but they all share one blockvector.  */
@@ -74,10 +71,6 @@ EXTERN struct subfile *current_subfile;
 
 EXTERN unsigned char processing_gcc_compilation;
 
-/* Count symbols as they are processed, for error messages.  */
-
-EXTERN unsigned int symnum;
-
 /* Record the symbols defined for each context in a list.  We don't
    create a struct block for the context until we know how long to
    make it.  */
@@ -173,12 +166,6 @@ typedef void (record_line_ftype) (struct subfile *subfile, int line,
 
 
 
-#define next_symbol_text(objfile) (*next_symbol_text_func)(objfile)
-
-/* Function to invoke get the next symbol.  Return the symbol name.  */
-
-EXTERN const char *(*next_symbol_text_func) (struct objfile *);
-
 extern void add_symbol_to_list (struct symbol *symbol,
 				struct pending **listhead);
 
@@ -251,8 +238,6 @@ extern struct compunit_symtab *start_symtab (struct objfile *objfile,
 extern void restart_symtab (struct compunit_symtab *cust,
 			    const char *name, CORE_ADDR start_addr);
 
-extern int hashname (const char *name);
-
 extern void free_pending_blocks (void);
 
 /* Record the name of the debug format in the current pending symbol
diff --git a/gdb/stabsread.c b/gdb/stabsread.c
index ed4a3d3..e4513c6 100644
--- a/gdb/stabsread.c
+++ b/gdb/stabsread.c
@@ -44,6 +44,7 @@
 #include "target-float.h"
 #include "cp-abi.h"
 #include "cp-support.h"
+#include "bcache.h"
 #include <ctype.h>
 
 /* Ask stabsread.h to define the vars it normally declares `extern'.  */
@@ -4814,6 +4815,14 @@ find_name_end (const char *name)
     }
 }
 
+/* See stabsread.h.  */
+
+int
+hashname (const char *name)
+{
+  return hash (name, strlen (name)) % HASHSIZE;
+}
+
 /* Initializer for this module.  */
 
 void
diff --git a/gdb/stabsread.h b/gdb/stabsread.h
index d24b25d..38e001a 100644
--- a/gdb/stabsread.h
+++ b/gdb/stabsread.h
@@ -31,6 +31,23 @@ enum language;
 #define	EXTERN extern
 #endif
 
+#define HASHSIZE 127		/* Size of things hashed via
+				   hashname().  */
+
+/* Compute a small integer hash code for the given name.  */
+
+extern int hashname (const char *name);
+
+/* Count symbols as they are processed, for error messages.  */
+
+EXTERN unsigned int symnum;
+
+#define next_symbol_text(objfile) (*next_symbol_text_func)(objfile)
+
+/* Function to invoke get the next symbol.  Return the symbol name.  */
+
+EXTERN const char *(*next_symbol_text_func) (struct objfile *);
+
 /* Hash table of global symbols whose values are not known yet.
    They are chained thru the SYMBOL_VALUE_CHAIN, since we don't
    have the correct data for that slot yet.