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-rw-r--r--src/kservice.c5
-rw-r--r--src/module.c32
-rw-r--r--src/object.c10
-rw-r--r--src/rtm.c36
-rw-r--r--src/scheduler.c8
-rw-r--r--src/thread.c32
6 files changed, 85 insertions, 38 deletions
diff --git a/src/kservice.c b/src/kservice.c
index cdd0a60907..e1aa3ffb51 100644
--- a/src/kservice.c
+++ b/src/kservice.c
@@ -977,9 +977,4 @@ char *strdup(const char *s) __attribute__((weak, alias("rt_strdup")));
#endif
#endif
-#ifdef RT_USING_MODULE
-#include <rtm.h>
-/* some buildin kernel symbol */
-RTM_EXPORT(rt_kprintf)
-#endif
/*@}*/
diff --git a/src/module.c b/src/module.c
index 4316d171d6..a2958cc66b 100644
--- a/src/module.c
+++ b/src/module.c
@@ -19,6 +19,19 @@
#include "module.h"
#include "kservice.h"
+/* #define RT_MODULE_DEBUG */
+
+#define elf_module ((Elf32_Ehdr *)module_ptr)
+#define shdr ((Elf32_Shdr *)((rt_uint8_t *)module_ptr + elf_module->e_shoff))
+
+#define IS_PROG(s) (s.sh_type == SHT_PROGBITS)
+#define IS_NOPROG(s) (s.sh_type == SHT_NOBITS)
+#define IS_REL(s) (s.sh_type == SHT_REL)
+#define IS_RELA(s) (s.sh_type == SHT_RELA)
+#define IS_ALLOC(s) (s.sh_flags == SHF_ALLOC)
+#define IS_AX(s) ((s.sh_flags & SHF_ALLOC) && (s.sh_flags & SHF_EXECINSTR))
+#define IS_AW(s) ((s.sh_flags & SHF_ALLOC) && (s.sh_flags & SHF_WRITE))
+
#ifdef RT_USING_MODULE
rt_list_t rt_module_symbol_list;
struct rt_module* rt_current_module;
@@ -55,17 +68,6 @@ rt_uint32_t rt_module_symbol_find(const rt_uint8_t* sym_str)
return 0;
}
-#define elf_module ((Elf32_Ehdr *)module_ptr)
-#define shdr ((Elf32_Shdr *)((rt_uint8_t *)module_ptr + elf_module->e_shoff))
-
-#define IS_PROG(s) (s.sh_type == SHT_PROGBITS)
-#define IS_NOPROG(s) (s.sh_type == SHT_NOBITS)
-#define IS_REL(s) (s.sh_type == SHT_REL)
-#define IS_RELA(s) (s.sh_type == SHT_RELA)
-#define IS_ALLOC(s) (s.sh_flags == SHF_ALLOC)
-#define IS_AX(s) ((s.sh_flags & SHF_ALLOC) && (s.sh_flags & SHF_EXECINSTR))
-#define IS_AW(s) ((s.sh_flags & SHF_ALLOC) && (s.sh_flags & SHF_WRITE))
-
int rt_module_arm_relocate(struct rt_module* module, Elf32_Rel *rel, Elf32_Addr sym_val, rt_uint32_t module_addr)
{
Elf32_Addr *where, tmp;
@@ -79,7 +81,9 @@ int rt_module_arm_relocate(struct rt_module* module, Elf32_Rel *rel, Elf32_Addr
case R_ARM_ABS32:
*where += (Elf32_Addr)sym_val;
+#ifdef RT_MODULE_DEBUG
rt_kprintf("R_ARM_ABS32: %x -> %x\n", where, *where);
+#endif
break;
case R_ARM_PC24:
@@ -92,7 +96,9 @@ int rt_module_arm_relocate(struct rt_module* module, Elf32_Rel *rel, Elf32_Addr
tmp = sym_val - (Elf32_Addr)where + (addend << 2);
tmp >>= 2;
*where = (*where & 0xff000000) | (tmp & 0x00ffffff);
+#ifdef RT_MODULE_DEBUG
rt_kprintf("R_ARM_PC24: %x -> %x\n", where, *where);
+#endif
break;
default:
@@ -275,7 +281,9 @@ struct rt_module* rt_module_load(void* module_ptr, const rt_uint8_t* name)
for (i = 0; i < nr_reloc; i ++)
{
Elf32_Sym *sym = &symtab[ELF32_R_SYM(rel->r_info)];
+#ifdef RT_MODULE_DEBUG
rt_kprintf("relocate symbol: %s\n", strtab + sym->st_name);
+#endif
if (sym->st_shndx != STN_UNDEF)
{
if(ELF_ST_TYPE(sym->st_info) == STT_SECTION)
@@ -310,7 +318,9 @@ struct rt_module* rt_module_load(void* module_ptr, const rt_uint8_t* name)
}
else
{
+#ifdef RT_MODULE_DEBUG
rt_kprintf("unresolved relocate symbol: %s\n", strtab + sym->st_name);
+#endif
/* need to resolve symbol in kernel symbol table */
Elf32_Addr addr = rt_module_symbol_find(strtab + sym->st_name);
if (addr != (Elf32_Addr)RT_NULL)
diff --git a/src/object.c b/src/object.c
index 7ad0540255..3843326b61 100644
--- a/src/object.c
+++ b/src/object.c
@@ -21,6 +21,10 @@
#include "kservice.h"
+#ifdef RT_USING_MODULE
+extern struct rt_module* rt_current_module;
+#endif
+
#define _OBJ_CONTAINER_LIST_INIT(c) \
{&(rt_object_container[c].object_list), &(rt_object_container[c].object_list)}
struct rt_object_information rt_object_container[RT_Object_Class_Unknown] =
@@ -249,8 +253,14 @@ rt_object_t rt_object_allocate(enum rt_object_class_type type, const char* name)
register rt_base_t temp;
struct rt_object_information* information;
+#ifdef RT_USING_MODULE
+ /* get module object information */
+ information = (rt_current_module != RT_NULL) ?
+ &rt_current_module->module_object[type] : &rt_object_container[type];
+#else
/* get object information */
information = &rt_object_container[type];
+#endif
object = (struct rt_object*)rt_malloc(information->object_size);
if (object == RT_NULL)
diff --git a/src/rtm.c b/src/rtm.c
new file mode 100644
index 0000000000..309891af7d
--- /dev/null
+++ b/src/rtm.c
@@ -0,0 +1,36 @@
+/*
+ * File : module.c
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2006 - 2010, RT-Thread Development Team
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rt-thread.org/license/LICENSE
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2010-04-12 yi.qiu first version
+ */
+
+#include <rtthread.h>
+#include <rtm.h>
+
+/* some buildin kernel symbol */
+
+/* thread symbol */
+RTM_EXPORT(rt_thread_init)
+RTM_EXPORT(rt_thread_detach)
+RTM_EXPORT(rt_thread_create)
+RTM_EXPORT(rt_thread_self)
+RTM_EXPORT(rt_thread_find)
+RTM_EXPORT(rt_thread_startup)
+RTM_EXPORT(rt_thread_delete)
+RTM_EXPORT(rt_thread_yield)
+RTM_EXPORT(rt_thread_delay)
+RTM_EXPORT(rt_thread_control)
+RTM_EXPORT(rt_thread_suspend)
+RTM_EXPORT(rt_thread_resume)
+RTM_EXPORT(rt_thread_timeout)
+
+/* kservice symbol */
+RTM_EXPORT(rt_kprintf)
diff --git a/src/scheduler.c b/src/scheduler.c
index c570b3dbbc..a414840850 100644
--- a/src/scheduler.c
+++ b/src/scheduler.c
@@ -35,6 +35,9 @@ rt_list_t rt_thread_priority_table[RT_THREAD_PRIORITY_MAX];
struct rt_thread* rt_current_thread;
rt_uint8_t rt_current_priority;
+#ifdef RT_USING_MODULE
+extern struct rt_module* rt_current_module;
+#endif
#if RT_THREAD_PRIORITY_MAX > 32
/* maximun priority level, 256 */
@@ -260,6 +263,11 @@ void rt_schedule()
from_thread = rt_current_thread;
rt_current_thread = to_thread;
+#ifdef RT_USING_MODULE
+ if(rt_current_thread->module_parent != RT_NULL)
+ rt_current_module = rt_current_thread->module_parent;
+#endif
+
#ifdef RT_USING_HOOK
if (rt_scheduler_hook != RT_NULL) rt_scheduler_hook(from_thread, to_thread);
#endif
diff --git a/src/thread.c b/src/thread.c
index 875a00aedb..b8859f9a0c 100644
--- a/src/thread.c
+++ b/src/thread.c
@@ -32,6 +32,10 @@ extern rt_list_t rt_thread_priority_table[RT_THREAD_PRIORITY_MAX];
extern struct rt_thread* rt_current_thread;
extern rt_uint8_t rt_current_priority;
+#ifdef RT_USING_MODULE
+extern struct rt_module* rt_current_module;
+#endif
+
#ifdef RT_USING_HEAP
extern rt_list_t rt_thread_defunct;
#endif
@@ -78,7 +82,8 @@ static rt_err_t _rt_thread_init(struct rt_thread* thread,
#ifdef RT_USING_MODULE
/* init module parent */
- thread->module_parent = RT_NULL;
+ thread->module_parent =
+ (rt_current_module != RT_NULL) ? rt_current_module : RT_NULL;
#endif
/* init user data */
@@ -228,12 +233,12 @@ rt_err_t rt_thread_startup (rt_thread_t thread)
static void rt_thread_exit()
{
struct rt_thread* thread;
- register rt_base_t temp;
+ register rt_base_t temp;
- /* disable interrupt */
- temp = rt_hw_interrupt_disable();
+ /* disable interrupt */
+ temp = rt_hw_interrupt_disable();
- /* get current thread */
+ /* get current thread */
thread = rt_current_thread;
/* remove from schedule */
@@ -628,21 +633,4 @@ rt_thread_t rt_thread_find(char* name)
return thread;
}
-#ifdef RT_USING_MODULE
-#include <rtm.h>
-/* some buildin kernel symbol */
-RTM_EXPORT(rt_thread_init)
-RTM_EXPORT(rt_thread_detach)
-RTM_EXPORT(rt_thread_create)
-RTM_EXPORT(rt_thread_self)
-RTM_EXPORT(rt_thread_find)
-RTM_EXPORT(rt_thread_startup)
-RTM_EXPORT(rt_thread_delete)
-RTM_EXPORT(rt_thread_yield)
-RTM_EXPORT(rt_thread_delay)
-RTM_EXPORT(rt_thread_control)
-RTM_EXPORT(rt_thread_suspend)
-RTM_EXPORT(rt_thread_resume)
-RTM_EXPORT(rt_thread_timeout)
-#endif
/*@}*/