Changeset 14482

Timestamp:

Dec 13, 2010, 12:38:13 PM (14 years ago)

Author:

Gary Byers

Message:

remap_spjump(): on x86, the spjump table is just a table of addresses,
so we don't need it to be executable.

File:

• trunk/source/lisp-kernel/pmcl-kernel.c (modified) (2 diffs)

trunk/source/lisp-kernel/pmcl-kernel.c

@@ -1417 +1417 @@
     if (!VirtualProtect((pc) SPJUMP_TARGET_ADDRESS,
                         0x1000,
-                        PAGE_EXECUTE_READWRITE,
+                        PAGE_READWRITE,
                         &old_protect)) {
       wperror("VirtualProtect spjump");
@@ -1432 +1432 @@
   pc new = mmap((pc) SPJUMP_TARGET_ADDRESS,
                 0x1000,
-                PROT_READ | PROT_WRITE | PROT_EXEC,
+                PROT_READ | PROT_WRITE,
                 MAP_PRIVATE | MAP_ANON | MAP_FIXED,
                 -1,