Changeset 740 for Whitix/trunk/user/linker/relocate.c

Timestamp:

07/07/08 15:24:08 (5 months ago)

Author:

mwhitworth

Message:

Add support for TEXTREL and remapping text relocations.

Files:

• Whitix/trunk/user/linker/relocate.c (modified) (2 diffs)

Whitix/trunk/user/linker/relocate.c

@@ -235 +235 @@
         relocSize=resolve->dynamicInfo[DT_RELSZ];
 
+        /* May need to make text rewriteable before relocation */
+        if (resolve->dynamicInfo[DT_TEXTREL])
+        {
+                SysMemoryProtect(resolve->textAddr, resolve->textLength, 7);
+        }
+
         if (resolve->dynamicInfo[DT_REL] && !(resolve->initFlags & INIT_RELOCS_DONE))
         {
@@ -255 +261 @@
                 DlParseReloc(symbols,resolve->dynamicInfo[DT_JMPREL], resolve->dynamicInfo[DT_PLTRELSZ], DlDoLazyReloc);
                 resolve->initFlags |= INIT_JMP_RELOCS_DONE;
+        }
+
+        /* May need to make text read-only again. */
+        if (resolve->dynamicInfo[DT_TEXTREL])
+        {
+                SysMemoryProtect(resolve->textAddr, resolve->textLength, 5);
         }
 }