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Implement dladdr(3).

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This commit is contained in:
Jonas 'Sortie' Termansen 2024-06-23 13:46:28 +02:00
parent 8fe25537c5
commit e2f0f4776c
2 changed files with 29 additions and 9 deletions
libc
dlfcn
dlfcn.c
include
dlfcn.h

9
libc/dlfcn/dlfcn.c
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2012, 2013 Jonas 'Sortie' Termansen.
* Copyright (c) 2012, 2013, 2024 Jonas 'Sortie' Termansen.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
@ -22,6 +22,13 @@
static const char* dlerrormsg = NULL;
int dladdr(const void* restrict addr, Dl_info_t* restrict dlip)
{
(void) addr;
(void) dlip;
return 0;
}
void* dlopen(const char* filename, int mode)
{
(void) filename;

29
libc/include/dlfcn.h
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2012 Jonas 'Sortie' Termansen.
* Copyright (c) 2012, 2024 Jonas 'Sortie' Termansen.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
@ -22,19 +22,32 @@
#include <sys/cdefs.h>
#ifdef __cplusplus
extern "C" {
#endif
#define RTLD_LAZY (1<<0)
#define RTLD_NOW (1<<1)
#define RTLD_GLOBAL (1<<8)
#define RTLD_LOCAL 0 /* Bit 8 is not set. */
int dlclose(void* handle);
#if __USE_SORTIX || 202405L <= __USE_POSIX
typedef struct
{
const char* dli_fname;
void* dli_fbase;
const char* dli_sname;
void* dli_saddr;
} Dl_info_t;
#endif
#ifdef __cplusplus
extern "C" {
#endif
#if __USE_SORTIX || 202405L <= __USE_POSIX
int dladdr(const void* restrict, Dl_info_t* __restrict);
#endif
int dlclose(void*);
char* dlerror(void);
void* dlopen(const char* filename, int mode);
void* dlsym(void* handle, const char* name);
void* dlopen(const char*, int);
void* dlsym(void*, const char*);
#ifdef __cplusplus
} /* extern "C" */