* ld-discard/discard.exp, ld-scripts/phdrs.exp, ld-scripts/phdrs2.exp,

[deliverable/binutils-gdb.git] / gprof / gmon.h

diff --git a/gprof/gmon.h b/gprof/gmon.h
index 4d45704a3dea60a657b04c550b169fc2e0771406..884add11609da822cc7db13cbbb575e02ec15991 100644 (file)
--- a/gprof/gmon.h
+++ b/gprof/gmon.h
@@ -1,5 +1,5 @@
 /*-
- * Copyright (c) 1991 The Regents of the University of California.
+ * Copyright (c) 1991, 2001 The Regents of the University of California.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -35,26 +35,53 @@
 #ifndef gmon_h
 #define gmon_h
 
-struct raw_phdr
-  {
-    char low_pc[sizeof (bfd_vma)];     /* base pc address of sample buffer */
-    char high_pc[sizeof (bfd_vma)];    /* max pc address of sampled buffer */
-    char ncnt[4];              /* size of sample buffer (plus this header) */
+/* Size of the 4.4BSD gmon header */
+#define GMON_HDRSIZE_BSD44_32 (4 + 4 + 4 + 4 + 4 + (3 * 4))
+#define GMON_HDRSIZE_BSD44_64 (8 + 8 + 4 + 4 + 4 + (3 * 4))
 
-#if defined (__alpha__) && defined (__osf__)
-    /*
-     * DEC's OSF v3.0 uses 4 bytes of padding to bring the header to
-     * a size that is a multiple of 8.
-     */
-    char pad[4];
+#if 0 /* For documentation purposes only.  */
+  struct raw_phdr
+    {
+      char low_pc[sizeof(void *)]; /* base pc address of sample buffer */
+      char high_pc[sizeof(void *)];/* max pc address of sampled buffer */
+      char ncnt[4];               /* size of sample buffer (plus this
+                                     header) */
+
+      char version[4];            /* version number */
+      char profrate[4];                   /* profiling clock rate */
+      char spare[3*4];            /* reserved */
+    };
+#endif
+
+#define GMONVERSION     0x00051879
+
+/* Size of the old BSD gmon header */
+#define GMON_HDRSIZE_OLDBSD_32 (4 + 4 + 4) 
+
+/* FIXME: Checking host compiler defines here means that we can't
+   use a cross gprof alpha OSF.  */
+#if defined(__alpha__) && defined (__osf__) 
+#define GMON_HDRSIZE_OLDBSD_64 (8 + 8 + 4 + 4)
 #else
-#ifdef BSD44_FORMAT
-    char version[4];                   /* version number */
-    char profrate[4];                  /* profiling clock rate */
-    char spare[3*4];                   /* reserved */
+#define GMON_HDRSIZE_OLDBSD_64 (8 + 8 + 4)
 #endif
+
+#if 0 /* For documentation purposes only.  */
+  struct old_raw_phdr
+    {
+      char low_pc[sizeof(void *)]; /* base pc address of sample buffer */
+      char high_pc[sizeof(void *)];/* max pc address of sampled buffer */
+      char ncnt[4];               /* size of sample buffer (plus this
+                                     header) */
+#if defined (__alpha__) && defined (__osf__)
+      /*
+       * DEC's OSF v3.0 uses 4 bytes of padding to bring the header to
+       * a size that is a multiple of 8.
+       */
+      char pad[4];
+#endif
+    };
 #endif
-  };
 
 /*
  * Histogram counters are unsigned shorts:
@@ -80,7 +107,7 @@ struct raw_phdr
  *      calls   $0,(r0)
  *      calls   $0,(r0)
  *
- * which is separated by only three bytes, thus HASHFRACTION is 
+ * which is separated by only three bytes, thus HASHFRACTION is
  * calculated as:
  *
  *      HASHFRACTION = 3 / (2 * 2 - 1) = 1
@@ -109,12 +136,14 @@ struct tostruct
  * as to get a packed representation (otherwise, different compilers
  * might introduce different padding):
  */
-struct raw_arc
-  {
-    char from_pc[sizeof (bfd_vma)];
-    char self_pc[sizeof (bfd_vma)];
-    char count[sizeof (long)];
-  };
+#if 0 /* For documentation purposes only.  */
+  struct raw_arc
+    {
+      char from_pc[sizeof(void *)];
+      char self_pc[sizeof(void *)];
+      char count[sizeof(long)];
+    };
+#endif
 
 /*
  * General rounding functions: