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x86: bring up share object module on i386 machine

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1. upddate kernel module to support i386
2. update libdl to support open *.so by absolute path
3. new test case bsp/x86/src/hello.c to test i386 module feature

Signed-off-by: parai <parai@foxmail.com>
This commit is contained in:
parai
2017-08-20 20:24:07 +08:00
parent 0cd49a20ad
commit 2957cf6f52
12 changed files with 167 additions and 18 deletions
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components/libc/libdl/dlopen.c
+7 -4
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@@ -27,7 +27,7 @@ void* dlopen(const char *filename, int flags)
/* check parameters */
RT_ASSERT(filename != RT_NULL);
if (filename[0] != '/') /* it's a absolute path, use it directly */
if (filename[0] != '/') /* it's a relative path, prefix with MODULE_ROOT_DIR */
{
fullpath = rt_malloc(strlen(def_path) + strlen(filename) + 2);
@@ -37,8 +37,7 @@ void* dlopen(const char *filename, int flags)
}
else
{
rt_kprintf("use absolute path\n");
return RT_NULL;
fullpath = (char*)filename; /* absolute path, use it directly */
}
/* find in module list */
@@ -47,7 +46,11 @@ void* dlopen(const char *filename, int flags)
if(module != RT_NULL) module->nref++;
else module = rt_module_open(fullpath);
rt_free(fullpath);
if(fullpath != filename)
{
rt_free(fullpath);
}
return (void*)module;
}