From b7e62fb73391b9d4965e64492838b438dbdf725c Mon Sep 17 00:00:00 2001
From: qiuyiuestc <qiuyiuestc@gmail.com>
Date: Mon, 13 Dec 2010 00:33:07 +0000
Subject: [PATCH] update elf loader for R_ARM_RELATIVE type relocation

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1196 bbd45198-f89e-11dd-88c7-29a3b14d5316
---
 src/module.c | 6 ++++--
 src/module.h | 1 +
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/module.c b/src/module.c
index 16a3a21d76..23d1eae8f4 100644
--- a/src/module.c
+++ b/src/module.c
@@ -163,6 +163,8 @@ static int rt_module_arm_relocate(struct rt_module* module, Elf32_Rel *rel, Elf3
 		rt_kprintf("R_ARM_JUMP_SLOT: 0x%x -> 0x%x 0x%x\n", where, *where, sym_val);
 #endif		
 	break;
+	case R_ARM_RELATIVE:		
+		 break;
 	default:
 		return -1;
 	}
@@ -337,14 +339,14 @@ rt_module_t rt_module_load(const rt_uint8_t* name, void* module_ptr)
 #ifdef RT_MODULE_DEBUG
 				rt_kprintf("relocate symbol %s shndx %d\n", strtab + sym->st_name, sym->st_shndx);
 #endif
-				if(sym->st_shndx != 0)
+				if(sym->st_shndx != SHT_NULL || ELF_ST_TYPE(sym->st_info) == STB_LOCAL )	
 				{	
 					rt_module_arm_relocate(
 						module, 
 						rel, 
 						(Elf32_Addr)(module->module_space + sym->st_value));
 				}
-				else if(linked == RT_FALSE)
+				else if(!linked)
 				{
 					Elf32_Addr addr;
 #ifdef RT_MODULE_DEBUG
diff --git a/src/module.h b/src/module.h
index 6d4a97754f..1adef7b740 100644
--- a/src/module.h
+++ b/src/module.h
@@ -161,6 +161,7 @@ typedef struct {
 #define	R_ARM_ABS32		2
 #define	R_ARM_GLOB_DAT	21
 #define	R_ARM_JUMP_SLOT	22
+#define	R_ARM_RELATIVE	23
 #define	R_ARM_PLT32		27
 #define	R_ARM_CALL			28
 #define	R_ARM_JUMP24		29