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linker: add dlvsym(3)

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This changes implements dlvsym - dlsym for versioned symbols.

Bug: http://b/22865643
Change-Id: Ic90a60d512104261a1416c43f9100f0d88e3b46f
This commit is contained in:
Dimitry Ivanov
2015-12-11 14:22:24 -08:00
parent d3e5301a75
commit 9cf99cbad8
12 changed files with 67 additions and 27 deletions
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11
libc/include/dlfcn.h
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@@ -43,11 +43,12 @@ typedef struct {
in dli_sname */
} Dl_info;
extern void* dlopen(const char* filename, int flag);
extern int dlclose(void* handle);
extern const char* dlerror(void);
extern void* dlsym(void* handle, const char* symbol);
extern int dladdr(const void* addr, Dl_info *info);
extern void* dlopen(const char* filename, int flag);
extern int dlclose(void* handle);
extern const char* dlerror(void);
extern void* dlsym(void* handle, const char* symbol) __nonnull((2));
extern void* dlvsym(void* handle, const char* symbol, const char* version) __nonnull((2, 3));
extern int dladdr(const void* addr, Dl_info *info);
enum {
#if defined(__LP64__)