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-rw-r--r--gprof/gmon.h78
1 files changed, 48 insertions, 30 deletions
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: