move process code into proc. add panic folder

1 files changed, 12 insertions, 15 deletions

diff --git a/sys/syscall_pagedir.c b/sys/syscall_pagedir.c
index 961c477..7b8f315 100644
--- a/sys/syscall_pagedir.c
+++ b/sys/syscall_pagedir.c
@@ -28,10 +28,9 @@ s_get_untyped(
             "Message too small for untyped path.");
 
     errno = 0;
-    jove_perm_obj_t untyped = link_try_traverse(
-            lockstack_push(lockstack, objdir_trygetobj(
-                objdir, payload->untyped_path, payload->untyped_pathlen)),
-            lockstack);
+    jove_perm_obj_t untyped = link_try_traverse_objdir(
+        objdir, lockstack, payload->untyped_pathlen, payload->untyped_path);
+
     if(errno) {
         kprintf("%s: Untyped obj failed for the reason: %s\n", __func__, errstr(errno));
         return errno;
@@ -81,10 +80,9 @@ s_syscall_pagedir_unmap(
     CHECK_TOOSMALL(bytes_needed, payload_bytes,
             "Message too small for none path");
 
-    jove_perm_obj_t none = link_try_traverse(
-            lockstack_push(lockstack, objdir_trygetobj(
-                objdir, payload->none_path, payload->none_pathlen)),
-            lockstack);
+    jove_perm_obj_t none = link_try_traverse_objdir(
+        objdir, lockstack, payload->none_pathlen, payload->none_path);
+
     if(errno) {
         kprintf("%s: None obj retrieval failed for the reason: %s\n",
                 __func__, errstr(errno));
@@ -163,15 +161,14 @@ s_syscall_pagedir_map_shmem(
 
     bytes_needed += payload->shmem_pathlen << 1;
     CHECK_TOOSMALL(bytes_needed, payload_bytes,
-            "Message too small for untyped path.");
+            "Message too small for shared memory path.");
 
     errno = 0;
-    jove_perm_obj_t shmem = link_try_traverse(
-        lockstack_push(lockstack, objdir_trygetobj(
-                objdir, payload->shmem_path, payload->shmem_pathlen)),
-        lockstack);
+    jove_perm_obj_t shmem = link_try_traverse_objdir(
+        objdir, lockstack, payload->shmem_pathlen, payload->shmem_path);
     if(errno) {
-        klogf("Shared memory obj failed for the reason: %s\n", errstr(errno));
+        klogf("Unable to retrieve shared memory object %P : %s\n", 
+              payload->shmem_path, payload->shmem_pathlen, errstr(errno));
         return errno;
     }
     
@@ -179,7 +176,7 @@ s_syscall_pagedir_map_shmem(
             "Shared memory path does not point to a shared memory object.");
 
     uintmax_t shmem_value = obj_getvalue(shmem.obj);
-    uint8_t shmem_pages = shmem_value & 0xFF;
+    uint8_t shmem_pages = shmem_value & 0xFFF;
 
     if(payload->page_offset >= shmem_pages) {
         klogf("Page offset goes beyond size of shared memory object: (%i >= %i)\n",