Added support for platform specific aux data to execmem

1 files changed, 4 insertions, 3 deletions

diff --git a/lib/execmem.h b/lib/execmem.h
index 8817f38..07e9fa4 100644
--- a/lib/execmem.h
+++ b/lib/execmem.h
@@ -1,9 +1,9 @@
 #pragma once
 #include <sys/types.h>
 /* For allocating trampolines - this is just a mmap wrapper. */
-int execmem_alloc_unsealed(uintptr_t hint, void **page_p, uintptr_t *vma_p, size_t *size_p);
-int execmem_seal(void *page);
-void execmem_free(void *page);
+int execmem_alloc_unsealed(uintptr_t hint, void **page_p, uintptr_t *vma_p, size_t *size_p, void *opt);
+int execmem_seal(void *page, void *opt);
+void execmem_free(void *page, void *opt);
 
 /* Write to "foreign" (i.e. owned by another library, not out-of-process) pages
  * which are already RX or have unknown permissions.
@@ -15,6 +15,7 @@ struct execmem_foreign_write {
     void *dst;
     const void *src;
     size_t len;
+    void *opt;
 };
 typedef uintptr_t (*execmem_pc_patch_callback)(void *ctx, uintptr_t pc);
 int execmem_foreign_write_with_pc_patch(struct execmem_foreign_write *writes,