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authorMark Eichin <eichin@cygnus>1992-06-04 18:36:56 +0000
committerMark Eichin <eichin@cygnus>1992-06-04 18:36:56 +0000
commitba79f5fa08a04f1dea43cd8b750125e2ff49fce0 (patch)
tree7dea4912a29877f1c12280bde89625b46f2febb1
parentf0e9ba1e6317d118af28ab75a2f8be30bc47071c (diff)
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Thu Jun 4 11:34:02 1992 Mark Eichin (eichin at cygnus.com)
* lookup.c: fixed fencepost in nllookup and added dbg_nllookup for help in debugging the problem (with -DDEBUG) * gprof.c: symbol values are now real values, don't add the vma anymore. (done for solaris; should verify this on other platforms) * ChangeLog: created.
-rw-r--r--gprof/ChangeLog7
-rw-r--r--gprof/gprof.c4
-rw-r--r--gprof/lookup.c44
3 files changed, 55 insertions, 0 deletions
diff --git a/gprof/ChangeLog b/gprof/ChangeLog
new file mode 100644
index 0000000..55d328e
--- /dev/null
+++ b/gprof/ChangeLog
@@ -0,0 +1,7 @@
+Thu Jun 4 11:34:02 1992 Mark Eichin (eichin at cygnus.com)
+
+ * lookup.c: fixed fencepost in nllookup and added dbg_nllookup for
+ help in debugging the problem (with -DDEBUG)
+ * gprof.c: symbol values are now real values, don't add the vma
+ anymore. (done for solaris; should verify this on other platforms)
+ * ChangeLog: created.
diff --git a/gprof/gprof.c b/gprof/gprof.c
index ce4c4e0..88cd5b6 100644
--- a/gprof/gprof.c
+++ b/gprof/gprof.c
@@ -265,7 +265,11 @@ bfd *abfd;
# endif DEBUG
continue;
}
+#if 0
npe->value = syms[i]->value + syms[i]->section->vma;
+#else
+ npe->value = syms[i]->value;
+#endif
npe->name = syms[i]->name;
# ifdef DEBUG
if ( debug & AOUTDEBUG ) {
diff --git a/gprof/lookup.c b/gprof/lookup.c
index d08a162..1892101 100644
--- a/gprof/lookup.c
+++ b/gprof/lookup.c
@@ -28,6 +28,10 @@ static char sccsid[] = "@(#)lookup.c 5.4 (Berkeley) 6/1/90";
* this deals with misses by mapping them to the next lower
* entry point.
*/
+#ifdef DEBUG
+nltype *dbg_nllookup();
+#endif
+
nltype *
nllookup( address )
unsigned long address;
@@ -59,9 +63,49 @@ nllookup( address )
low = middle + 1;
}
}
+ if(nl[middle+1].value == address) {
+# ifdef DEBUG
+ if (debug & LOOKUPDEBUG ) {
+ printf("[nllookup] %d (%d) probes, fall off\n", probes, nname-1);
+ }
+# endif
+ return &nl[middle];
+ }
+ fprintf( stderr , "[nllookup] binary search fails???\n" );
+#ifdef DEBUG
+ dbg_nllookup(address);
+#endif
+ return 0;
+}
+
+#ifdef DEBUG
+nltype *
+dbg_nllookup( address )
+ unsigned long address;
+{
+ register long low;
+ register long middle;
+ register long high;
+ fprintf(stderr,"[nllookup] address 0x%x\n",address);
+
+ for ( low = 0 , high = nname - 1 ; low != high ; ) {
+
+ middle = ( high + low ) >> 1;
+ fprintf(stderr, "[nllookup] low 0x%x middle 0x%x high 0x%x nl[m] 0x%x nl[m+1] 0x%x\n",
+ low,middle,high,nl[middle].value,nl[middle+1].value);
+ if ( nl[ middle ].value <= address && nl[ middle+1 ].value > address) {
+ return &nl[ middle ];
+ }
+ if ( nl[ middle ].value > address ) {
+ high = middle;
+ } else {
+ low = middle + 1;
+ }
+ }
fprintf( stderr , "[nllookup] binary search fails???\n" );
return 0;
}
+#endif DEBUG
arctype *
arclookup( parentp , childp )