From f056b4a93272231227592da61d6e95c09e5da0ab Mon Sep 17 00:00:00 2001
From: jjenista <jjenista>
Date: Mon, 16 Aug 2010 19:15:26 +0000
Subject: [PATCH] change garbage.c initial heap size to a macro, configurable
 with a new buildscript option

---
 Robust/src/Runtime/garbage.c | 6 +++++-
 Robust/src/buildscript       | 6 ++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/Robust/src/Runtime/garbage.c b/Robust/src/Runtime/garbage.c
index 33dc8e12..c5da7ce8 100644
--- a/Robust/src/Runtime/garbage.c
+++ b/Robust/src/Runtime/garbage.c
@@ -35,7 +35,11 @@ extern struct QI * tailqi;
 
 #define NUMPTRS 100
 
-#define INITIALHEAPSIZE 256*1024*1024L
+#ifndef INITIALHEAPSIZE_MB
+#define INITIALHEAPSIZE_MB (256)
+#endif
+
+#define INITIALHEAPSIZE INITIALHEAPSIZE_MB*1024*1024L
 #define GCPOINT(x) ((INTPTR)((x)*0.99))
 /* This define takes in how full the heap is initially and returns a new heap size to use */
 #define HEAPSIZE(x,y) ((INTPTR)(x+y))*2
diff --git a/Robust/src/buildscript b/Robust/src/buildscript
index 4b898e7d..7ec263f5 100755
--- a/Robust/src/buildscript
+++ b/Robust/src/buildscript
@@ -105,6 +105,7 @@ echo -tagstate do tag state analysis
 echo -optional enable optional
 echo -debug generate debug symbols
 echo -prefetch do prefetch analysis
+echo -heapsize-mb NUM  set initial heap size in MB, default is 256
 echo -garbagestats Print garbage collection statistics
 echo -webinterface enable web interface
 echo -runtimedebug printout runtime debug messages
@@ -509,6 +510,11 @@ EXTRAOPTIONS="$EXTRAOPTIONS -DPRECISE_GC -lpthread -DMLP"
 shift
 shift
 
+elif [[ $1 = '-heapsize-mb' ]]
+then
+EXTRAOPTIONS="$EXTRAOPTIONS -DINITIALHEAPSIZE_MB=($2)"
+shift
+
 elif [[ $1 = '-rcr' ]]
 then
 JAVAOPTS="$JAVAOPTS -rcr"
-- 
2.34.1