From e7e2dd92262f34fd7246fb639edc6001acf9171d Mon Sep 17 00:00:00 2001
From: Nick Clifton <nickc@redhat.com>
Date: Thu, 31 Jan 2002 18:37:58 +0000
Subject: Deal with target architecture that have a pointer size that is
 different from the host architectures pointer size.

---
 gprof/gmon.h | 78 +++++++++++++++++++++++++++++++++++++-----------------------
 1 file changed, 48 insertions(+), 30 deletions(-)

(limited to 'gprof/gmon.h')

diff --git a/gprof/gmon.h b/gprof/gmon.h
index 28a54bc..884add1 100644
--- a/gprof/gmon.h
+++ b/gprof/gmon.h
@@ -35,37 +35,53 @@
 #ifndef gmon_h
 #define gmon_h
 
-struct raw_phdr
-  {
-    /* FIXME: Checking a host compiler define means that we can't use
-       a cross gprof to the alpha.  */
-    char low_pc[GMON_PTR_SIZE];	/* base pc address of sample buffer */
-    char high_pc[GMON_PTR_SIZE];/* 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))
 
-    char version[4];		/* version number */
-    char profrate[4];		/* profiling clock rate */
-    char spare[3*4];		/* reserved */
-  };
+#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
 
-struct old_raw_phdr
-  {
-    char low_pc[GMON_PTR_SIZE];	/* base pc address of sample buffer */
-    char high_pc[GMON_PTR_SIZE];/* max pc address of sampled buffer */
-    char ncnt[4];		/* size of sample buffer (plus this header) */
+/* 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
+#define GMON_HDRSIZE_OLDBSD_64 (8 + 8 + 4)
+#endif
 
-    /* FIXME: Checking host compiler defines here means that we can't
-       use a cross gprof alpha OSF.  */
+#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];
+      /*
+       * 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:
@@ -120,12 +136,14 @@ struct tostruct
  * as to get a packed representation (otherwise, different compilers
  * might introduce different padding):
  */
-struct raw_arc
-  {
-    char from_pc[GMON_PTR_SIZE];
-    char self_pc[GMON_PTR_SIZE];
-    char count[4];
-  };
+#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:
-- 
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