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LibC+LibELF: Implement dladdr()

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This implements the dladdr() function which lets the caller look up
the symbol name, symbol address as well as library name and library
base address for an arbitrary address.
This commit is contained in:
Gunnar Beutner 2021-06-06 17:40:11 +02:00 • committed by Andreas Kling
parent f82aa87d14
commit 89a38b72b7
5 changed files with 73 additions and 0 deletions
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5
Userland/Libraries/LibDl/dlfcn_integration.h
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@ -23,12 +23,17 @@ struct DlErrorMessage {
String text;
};
struct __Dl_info;
typedef struct __Dl_info Dl_info;
typedef Result<void, DlErrorMessage> (*DlCloseFunction)(void*);
typedef Result<void*, DlErrorMessage> (*DlOpenFunction)(const char*, int);
typedef Result<void*, DlErrorMessage> (*DlSymFunction)(void*, const char*);
typedef Result<void, DlErrorMessage> (*DlAddrFunction)(void*, Dl_info*);
extern "C" {
extern DlCloseFunction __dlclose;
extern DlOpenFunction __dlopen;
extern DlSymFunction __dlsym;
extern DlAddrFunction __dladdr;
}