Add GPL copyright notices to uncopyrighted files.

Add copy of GPL.

1 files changed, 80 insertions, 84 deletions

diff --git a/gprof/symtab.c b/gprof/symtab.c
index e4fda46..ac9e95f 100644
--- a/gprof/symtab.c
+++ b/gprof/symtab.c
@@ -1,3 +1,24 @@
+/* symtab.c
+
+   Copyright (C) 2000  Free Software Foundation, Inc.
+
+   This file is part of GNU Binutils.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+   02111-1307, USA.  */
+
 #include "gprof.h"
 #include "cg_arcs.h"
 #include "corefile.h"
@@ -6,17 +27,15 @@
 Sym_Table symtab;
 
 
-/*
- * Initialize a symbol (so it's empty).
- */
+/* Initialize a symbol (so it's empty).  */
+
 void
 DEFUN (sym_init, (sym), Sym * sym)
 {
   memset (sym, 0, sizeof (*sym));
-  /*
-   * It is not safe to assume that a binary zero corresponds to
-   * a floating-point 0.0, so initialize floats explicitly:
-   */
+  
+  /* It is not safe to assume that a binary zero corresponds
+     to a floating-point 0.0, so initialize floats explicitly.  */
   sym->hist.time = 0.0;
   sym->cg.child_time = 0.0;
   sym->cg.prop.fract = 0.0;
@@ -25,16 +44,15 @@ DEFUN (sym_init, (sym), Sym * sym)
 }
 
 
-/*
- * Compare the function entry-point of two symbols and return <0, =0,
- * or >0 depending on whether the left value is smaller than, equal
- * to, or greater than the right value.  If two symbols are equal
- * but one has is_func set and the other doesn't, we make the
- * non-function symbol one "bigger" so that the function symbol will
- * survive duplicate removal.  Finally, if both symbols have the
- * same is_func value, we discriminate against is_static such that
- * the global symbol survives.
- */
+/* Compare the function entry-point of two symbols and return <0, =0,
+   or >0 depending on whether the left value is smaller than, equal
+   to, or greater than the right value.  If two symbols are equal
+   but one has is_func set and the other doesn't, we make the
+   non-function symbol one "bigger" so that the function symbol will
+   survive duplicate removal.  Finally, if both symbols have the
+   same is_func value, we discriminate against is_static such that
+   the global symbol survives.  */
+
 static int
 DEFUN (cmp_addr, (lp, rp), const PTR lp AND const PTR rp)
 {
@@ -42,18 +60,12 @@ DEFUN (cmp_addr, (lp, rp), const PTR lp AND const PTR rp)
   Sym *right = (Sym *) rp;
 
   if (left->addr > right->addr)
-    {
-      return 1;
-    }
+    return 1;
   else if (left->addr < right->addr)
-    {
-      return -1;
-    }
+    return -1;
 
   if (left->is_func != right->is_func)
-    {
-      return right->is_func - left->is_func;
-    }
+    return right->is_func - left->is_func;
 
   return left->is_static - right->is_static;
 }
@@ -66,33 +78,26 @@ DEFUN (symtab_finalize, (tab), Sym_Table * tab)
   bfd_vma prev_addr;
 
   if (!tab->len)
-    {
-      return;
-    }
+    return;
 
-  /*
-   * Sort symbol table in order of increasing function addresses:
-   */
+  /* Sort symbol table in order of increasing function addresses.  */
   qsort (tab->base, tab->len, sizeof (Sym), cmp_addr);
 
-  /*
-   * Remove duplicate entries to speed-up later processing and
-   * set end_addr if its not set yet:
-   */
+  /* Remove duplicate entries to speed-up later processing and
+     set end_addr if its not set yet.  */
   prev_addr = tab->base[0].addr + 1;
+  
   for (src = dst = tab->base; src < tab->limit; ++src)
     {
       if (src->addr == prev_addr)
 	{
-	  /*
-	   * If same address, favor global symbol over static one,
-	   * then function over line number.  If both symbols are
-	   * either static or global and either function or line, check
-	   * whether one has name beginning with underscore while
-	   * the other doesn't.  In such cases, keep sym without
-	   * underscore.  This takes cares of compiler generated
-	   * symbols (such as __gnu_compiled, __c89_used, etc.).
-	   */
+	  /* If same address, favor global symbol over static one,
+	     then function over line number.  If both symbols are
+	     either static or global and either function or line, check
+	     whether one has name beginning with underscore while
+	     the other doesn't.  In such cases, keep sym without
+	     underscore.  This takes cares of compiler generated
+	     symbols (such as __gnu_compiled, __c89_used, etc.).  */
 	  if ((!src->is_static && dst[-1].is_static)
 	      || ((src->is_static == dst[-1].is_static)
 		  && ((src->is_func && !dst[-1].is_func)
@@ -109,6 +114,7 @@ DEFUN (symtab_finalize, (tab), Sym_Table * tab)
 			   dst[-1].name, dst[-1].is_static ? 't' : 'T',
 			   dst[-1].is_func ? 'F' : 'f');
 		   printf (" (addr=%lx)\n", (unsigned long) src->addr));
+	      
 	      dst[-1] = *src;
 	    }
 	  else
@@ -125,11 +131,9 @@ DEFUN (symtab_finalize, (tab), Sym_Table * tab)
       else
 	{
 	  if (dst > tab->base && dst[-1].end_addr == 0)
-	    {
-	      dst[-1].end_addr = src->addr - 1;
-	    }
+	    dst[-1].end_addr = src->addr - 1;
 
-	  /* retain sym only if it has a non-empty address range: */
+	  /* Retain sym only if it has a non-empty address range.  */
 	  if (!src->end_addr || src->addr <= src->end_addr)
 	    {
 	      *dst = *src;
@@ -138,10 +142,9 @@ DEFUN (symtab_finalize, (tab), Sym_Table * tab)
 	    }
 	}
     }
+  
   if (tab->len > 0 && dst[-1].end_addr == 0)
-    {
-      dst[-1].end_addr = core_text_sect->vma + core_text_sect->_raw_size - 1;
-    }
+    dst[-1].end_addr = core_text_sect->vma + core_text_sect->_raw_size - 1;
 
   DBG (AOUTDEBUG | IDDEBUG,
        printf ("[symtab_finalize]: removed %d duplicate entries\n",
@@ -154,11 +157,11 @@ DEFUN (symtab_finalize, (tab), Sym_Table * tab)
        unsigned int j;
 
        for (j = 0; j < tab->len; ++j)
-       {
-       printf ("[symtab_finalize] 0x%lx-0x%lx\t%s\n",
-	       (long) tab->base[j].addr, (long) tab->base[j].end_addr,
-	       tab->base[j].name);
-       }
+         {
+	   printf ("[symtab_finalize] 0x%lx-0x%lx\t%s\n",
+		 (long) tab->base[j].addr, (long) tab->base[j].end_addr,
+		 tab->base[j].name);
+         }
   );
 }
 
@@ -178,35 +181,32 @@ DEFUN (dbg_sym_lookup, (symtab, address), Sym_Table * symtab AND bfd_vma address
   for (low = 0, high = symtab->len - 1; low != high;)
     {
       mid = (high + low) >> 1;
+      
       fprintf (stderr, "[dbg_sym_lookup] low=0x%lx, mid=0x%lx, high=0x%lx\n",
 	       low, mid, high);
       fprintf (stderr, "[dbg_sym_lookup] sym[m]=0x%lx sym[m + 1]=0x%lx\n",
 	       (unsigned long) sym[mid].addr,
 	       (unsigned long) sym[mid + 1].addr);
+      
       if (sym[mid].addr <= address && sym[mid + 1].addr > address)
-	{
-	  return &sym[mid];
-	}
+	return &sym[mid];
+
       if (sym[mid].addr > address)
-	{
-	  high = mid;
-	}
+	high = mid;
       else
-	{
-	  low = mid + 1;
-	}
+	low = mid + 1;
     }
+  
   fprintf (stderr, "[dbg_sym_lookup] binary search fails???\n");
+  
   return 0;
 }
 
 #endif	/* DEBUG */
 
 
-/*
- * Look up an address in the symbol-table that is sorted by address.
- * If address does not hit any symbol, 0 is returned.
- */
+/* Look up an address in the symbol-table that is sorted by address.
+   If address does not hit any symbol, 0 is returned.  */
 Sym *
 DEFUN (sym_lookup, (symtab, address), Sym_Table * symtab AND bfd_vma address)
 {
@@ -218,23 +218,20 @@ DEFUN (sym_lookup, (symtab, address), Sym_Table * symtab AND bfd_vma address)
 #endif /* DEBUG */
 
   if (!symtab->len)
-    {
-      return 0;
-    }
+    return 0;
 
   sym = symtab->base;
   for (low = 0, high = symtab->len - 1; low != high;)
     {
       DBG (LOOKUPDEBUG, ++probes);
       mid = (high + low) / 2;
+      
       if (sym[mid].addr <= address && sym[mid + 1].addr > address)
 	{
 	  if (address > sym[mid].end_addr)
 	    {
-	      /*
-	       * Address falls into gap between sym[mid] and
-	       * sym[mid + 1]:
-	       */
+	      /* Address falls into gap between
+		 sym[mid] and sym[mid + 1].  */
 	      return 0;
 	    }
 	  else
@@ -245,20 +242,18 @@ DEFUN (sym_lookup, (symtab, address), Sym_Table * symtab AND bfd_vma address)
 	      return &sym[mid];
 	    }
 	}
+      
       if (sym[mid].addr > address)
-	{
-	  high = mid;
-	}
+	high = mid;
       else
-	{
-	  low = mid + 1;
-	}
+	low = mid + 1;
     }
+  
   if (sym[mid + 1].addr <= address)
     {
       if (address > sym[mid + 1].end_addr)
 	{
-	  /* address is beyond end of sym[mid + 1]: */
+	  /* Address is beyond end of sym[mid + 1].  */
 	  return 0;
 	}
       else
@@ -268,5 +263,6 @@ DEFUN (sym_lookup, (symtab, address), Sym_Table * symtab AND bfd_vma address)
 	  return &sym[mid + 1];
 	}
     }
+  
   return 0;
 }