Implement .func/.endfunc pseudo-ops.

	* read.h (stabs_generate_asm_func,stabs_generate_asm_endfunc): Declare.
	(s_func): Declare.
	* read.c (potable): Add .func,.endfunc.
	(s_func): New function.
	* stabs.c (stabs_generate_asm_func,stabs_generate_asm_endfunc): New
	functions.
	(in_doc_func_p,current_function_label): New static globals.
	(stabs_generate_asm_lineno): Emit function relative stabs if in .func.

diff --git a/gas/ChangeLog b/gas/ChangeLog
index 921be5272923298647c4e9f72028cd13729eba00..825fa224212602a03c443e8b3457bd9949059da4 100644 (file)
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,6 +1,16 @@
-start-sanitize-sky
 Sun May 31 15:43:06 1998  Doug Evans  <devans@canuck.cygnus.com>
 
+       Implement .func/.endfunc pseudo-ops.
+       * read.h (stabs_generate_asm_func,stabs_generate_asm_endfunc): Declare.
+       (s_func): Declare.
+       * read.c (potable): Add .func,.endfunc.
+       (s_func): New function.
+       * stabs.c (stabs_generate_asm_func,stabs_generate_asm_endfunc): New
+       functions.
+       (in_doc_func_p,current_function_label): New static globals.
+       (stabs_generate_asm_lineno): Emit function relative stabs if in .func.
+
+start-sanitize-sky
        * config/tc-dvp.h (ELF_TC_SPECIAL_SECTIONS): Delete .vuoverlay_table.
        (VUOVERLAY_SECTION_PREFIX,VUOVERLAY_TABLE_SECTION_NAME): Delete.
        * config/tc-dvp.c (vuoverlay_string_section): New static global.

diff --git a/gas/read.c b/gas/read.c
index 5f63d3f5de14448b7bc6c56bfa7124d728d9f2ae..f4746dc715f0c71051324f7ea42c32714a3cef9c 100644 (file)
--- a/gas/read.c
+++ b/gas/read.c
@@ -296,6 +296,7 @@ static const pseudo_typeS potable[] =
   {"elsec", s_else, 0},
   {"end", s_end, 0},
   {"endc", s_endif, 0},
+  {"endfunc", s_func, 1},
   {"endif", s_endif, 0},
 /* endef */
   {"equ", s_set, 0},
@@ -311,6 +312,7 @@ static const pseudo_typeS potable[] =
   {"fill", s_fill, 0},
   {"float", float_cons, 'f'},
   {"format", s_ignore, 0},
+  {"func", s_func, 0},
   {"global", s_globl, 0},
   {"globl", s_globl, 0},
   {"hword", cons, 2},
@@ -4871,7 +4873,7 @@ add_include_dir (path)
   if (i > include_dir_maxlen)
     include_dir_maxlen = i;
 }                              /* add_include_dir() */
-
+\f
 /* Output debugging information to denote the source file.  */
 
 static void
@@ -4912,6 +4914,75 @@ generate_lineno_debug ()
 #endif
 }
 
+/* Output debugging information to mark a function entry point or end point.
+   END_P is zero for .func, and non-zero for .endfunc.  */
+
+void
+s_func (end_p)
+     int end_p;
+{
+  /* Record the current function so that we can issue an error message for
+     misplaced .func,.endfunc, and also so that .endfunc needs no
+     arguments.  */
+  static char *current_name;
+  static char *current_label;
+
+  if (end_p)
+    {
+      if (current_name == NULL)
+       {
+         as_bad (_("missing .func"));
+         ignore_rest_of_line ();
+         return;
+       }
+
+      if (debug_type == DEBUG_STABS)
+       stabs_generate_asm_endfunc (current_name, current_label);
+
+      current_name = current_label = NULL;
+    }
+  else /* ! end_p */
+    {
+      char *name,*label;
+      char delim1,delim2;
+
+      if (current_name != NULL)
+       {
+         as_bad (_(".endfunc missing for previous .func"));
+         ignore_rest_of_line ();
+         return;
+       }
+
+      name = input_line_pointer;
+      delim1 = get_symbol_end ();
+      name = xstrdup (name);
+      *input_line_pointer = delim1;
+      SKIP_WHITESPACE ();
+      if (*input_line_pointer != ',')
+       {
+         /* Missing entry point, use function's name.  */
+         label = name;
+       }
+      else
+       {
+         ++input_line_pointer;
+         SKIP_WHITESPACE ();
+         label = input_line_pointer;
+         delim2 = get_symbol_end ();
+         label = xstrdup (label);
+         *input_line_pointer = delim2;
+       }
+
+      if (debug_type == DEBUG_STABS)
+       stabs_generate_asm_func (name, label);
+
+      current_name = name;
+      current_label = label;
+    }
+
+  demand_empty_rest_of_line ();
+}
+\f
 void 
 s_ignore (arg)
      int arg;

diff --git a/gas/read.h b/gas/read.h
index 674d50fc76e7c97140443755a4c6d0f62a252916..feae295ecc6c0581fef76bbbe4a90dbe162a6420 100644 (file)
--- a/gas/read.h
+++ b/gas/read.h
@@ -1,5 +1,6 @@
 /* read.h - of read.c
-   Copyright (C) 1986, 90, 92, 93, 94, 95, 1996 Free Software Foundation, Inc.
+   Copyright (C) 1986, 90, 92, 93, 94, 95, 96, 1997
+   Free Software Foundation, Inc.
 
    This file is part of GAS, the GNU Assembler.
 
@@ -58,6 +59,11 @@ extern const char comment_chars[];
 extern const char line_comment_chars[];
 extern const char line_separator_chars[];
 
+/* Table of -I directories.  */
+extern char **include_dirs;
+extern int include_dir_count;
+extern int include_dir_maxlen;
+
 /* The offset in the absolute section.  */
 extern addressT abs_section_offset;
 
@@ -102,7 +108,10 @@ extern void read_a_source_file PARAMS ((char *name));
 extern void read_begin PARAMS ((void));
 extern void read_print_statistics PARAMS ((FILE *));
 extern int sizeof_leb128 PARAMS ((valueT, int sign));
+extern void stabs_generate_asm_file PARAMS ((void));
 extern void stabs_generate_asm_lineno PARAMS ((void));
+extern void stabs_generate_asm_func PARAMS ((const char *, const char *));
+extern void stabs_generate_asm_endfunc PARAMS ((const char *, const char *));
 
 extern void s_abort PARAMS ((int));
 extern void s_align_bytes PARAMS ((int arg));
@@ -119,6 +128,7 @@ extern void s_err PARAMS ((int));
 extern void s_fail PARAMS ((int));
 extern void s_fill PARAMS ((int));
 extern void s_float_space PARAMS ((int mult));
+extern void s_func PARAMS ((int));
 extern void s_globl PARAMS ((int arg));
 extern void s_if PARAMS ((int arg));
 extern void s_ifc PARAMS ((int arg));
@@ -128,6 +138,7 @@ extern void s_ignore PARAMS ((int arg));
 extern void s_include PARAMS ((int arg));
 extern void s_irp PARAMS ((int arg));
 extern void s_lcomm PARAMS ((int needs_align));
+extern void s_lcomm_bytes PARAMS ((int needs_align));
 extern void s_leb128 PARAMS ((int sign));
 extern void s_linkonce PARAMS ((int));
 extern void s_lsym PARAMS ((int));