Changeset 4470e26 in mainline for uspace/srv/loader/main.c

Timestamp:

2008-09-24T10:57:21Z (17 years ago)

Author:

Jiri Svoboda <jirik.svoboda@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

0993087

Parents:

45454e9b

Message:

Separate load and run commands for loader. Update tracer - no events get missed on startup anymore.

File:

• uspace/srv/loader/main.c (modified) (8 diffs)

uspace/srv/loader/main.c

@@ -47 +47 @@
 #include <stdlib.h>
 #include <unistd.h>
+#include <bool.h>
 #include <fcntl.h>
 #include <sys/types.h>
@@ -78 +79 @@
 static char *arg_buf = NULL;
 
-static int loader_get_taskid(ipc_callid_t rid, ipc_call_t *request)
+static elf_info_t prog_info;
+static elf_info_t interp_info;
+
+static bool is_dyn_linked;
+
+
+static void loader_get_taskid(ipc_callid_t rid, ipc_call_t *request)
 {
         ipc_callid_t callid;
@@ -213 +220 @@
 }
 
-
-/** Load and run the previously selected program.
+/** Load the previously selected program.
  *
  * @param rid
@@ -220 +226 @@
  * @return 0 on success, !0 on error.
  */
-static int loader_run(ipc_callid_t rid, ipc_call_t *request)
+static int loader_load(ipc_callid_t rid, ipc_call_t *request)
 {
         int rc;
-
-        elf_info_t prog_info;
-        elf_info_t interp_info;
 
 //      printf("Load program '%s'\n", pathname);
@@ -246 +249 @@
 //              printf("Run statically linked program\n");
 //              printf("entry point: 0x%llx\n", prog_info.entry);
+                is_dyn_linked = false;
                 ipc_answer_0(rid, EOK);
-                close_console();
-                elf_run(&prog_info, &pcb);
                 return 0;
         }
@@ -266 +268 @@
         pcb.rtld_bias = RTLD_BIAS;
 
-        printf("run dynamic linker\n");
-        printf("entry point: 0x%llx\n", interp_info.entry);
-        close_console();
-
+        is_dyn_linked = true;
         ipc_answer_0(rid, EOK);
-        elf_run(&interp_info, &pcb);
+
+        return 0;
+}
+
+
+/** Run the previously loaded program.
+ *
+ * @param rid
+ * @param request
+ * @return 0 on success, !0 on error.
+ */
+static void loader_run(ipc_callid_t rid, ipc_call_t *request)
+{
+        if (is_dyn_linked == true) {
+                /* Dynamically linked program */
+                printf("run dynamic linker\n");
+                printf("entry point: 0x%llx\n", interp_info.entry);
+                close_console();
+
+                ipc_answer_0(rid, EOK);
+                elf_run(&interp_info, &pcb);
+
+        } else {
+                /* Statically linked program */
+                close_console();
+                ipc_answer_0(rid, EOK);
+                elf_run(&prog_info, &pcb);
+        } 
 
         /* Not reached */
-        return 0;
 }
 
@@ -293 +318 @@
         while (1) {
                 callid = async_get_call(&call);
-//              printf("received call from phone %d, method=%d\n",
-//                      call.in_phone_hash, IPC_GET_METHOD(call));
+
                 switch (IPC_GET_METHOD(call)) {
                 case LOADER_GET_TASKID:
@@ -304 +328 @@
                 case LOADER_SET_ARGS:
                         loader_set_args(callid, &call);
+                        continue;
+                case LOADER_LOAD:
+                        loader_load(callid, &call);
+                        continue;
                 case LOADER_RUN:
                         loader_run(callid, &call);
-                        exit(0);
-                        continue;
+                        /* Not reached */
                 default:
                         retval = ENOENT;