* src/vm/jit/trap.cpp (trap_init): Disabled mmapping of first page by default.

[cacao.git] / src / vm / options.c

diff --git a/src/vm/options.c b/src/vm/options.c
index dc73d2ff1997600c9a78aa2381820dd2788b7b30..5a6f5c29f89afa645dff5dcab7b1016e15b1cebc 100644 (file)
--- a/src/vm/options.c
+++ b/src/vm/options.c
@@ -157,6 +157,7 @@ int      opt_ThreadStackSize              = 0;
 /* Debugging options which can be turned off. */
 
 bool     opt_AlwaysEmitLongBranches       = false;
+bool     opt_AlwaysMmapFirstPage          = false;
 int      opt_CompileAll                   = 0;
 char*    opt_CompileMethod                = NULL;
 char*    opt_CompileSignature             = NULL;
@@ -234,6 +235,7 @@ enum {
        /* Debugging options which can be turned off. */
 
        OPT_AlwaysEmitLongBranches,
+       OPT_AlwaysMmapFirstPage,
        OPT_CompileAll,
        OPT_CompileMethod,
        OPT_CompileSignature,
@@ -294,6 +296,7 @@ option_t options_XX[] = {
        /* Debugging options which can be turned off. */
 
        { "AlwaysEmitLongBranches",       OPT_AlwaysEmitLongBranches,       OPT_TYPE_BOOLEAN, "Always emit long-branches." },
+       { "AlwaysMmapFirstPage",          OPT_AlwaysMmapFirstPage,          OPT_TYPE_BOOLEAN, "Always mmap memory page at address 0x0." },
        { "CompileAll",                   OPT_CompileAll,                   OPT_TYPE_BOOLEAN, "compile all methods, no execution" },
        { "CompileMethod",                OPT_CompileMethod,                OPT_TYPE_VALUE,   "compile only a specific method" },
        { "CompileSignature",             OPT_CompileSignature,             OPT_TYPE_VALUE,   "specify signature for a specific method" },
@@ -636,6 +639,10 @@ void options_xx(JavaVMInitArgs *vm_args)
                        opt_AlwaysEmitLongBranches = enable;
                        break;
 
+               case OPT_AlwaysMmapFirstPage:
+                       opt_AlwaysMmapFirstPage = enable;
+                       break;
+
                case OPT_CompileAll:
                        opt_CompileAll = enable;
                        opt_run = false;