| 1 | #ifndef _DLFCN_H |
| 2 | #define _DLFCN_H |
| 3 | |
| 4 | #ifdef __cplusplus |
| 5 | extern "C" { |
| 6 | #endif |
| 7 | |
| 8 | #include <features.h> |
| 9 | |
| 10 | #define RTLD_LAZY 1 |
| 11 | #define RTLD_NOW 2 |
| 12 | #define RTLD_NOLOAD 4 |
| 13 | #define RTLD_NODELETE 4096 |
| 14 | #define RTLD_GLOBAL 256 |
| 15 | #ifdef __wasilibc_unmodified_upstream |
| 16 | #define RTLD_LOCAL 0 |
| 17 | #else |
| 18 | /* For WASI, we give `RTLD_LOCAL` a non-zero value, avoiding ambiguity and |
| 19 | * allowing us to defer the decision of whether `RTLD_LOCAL` or `RTLD_GLOBAL` |
| 20 | * should be the default when neither is specified. |
| 21 | */ |
| 22 | #define RTLD_LOCAL 8 |
| 23 | #endif |
| 24 | |
| 25 | #define RTLD_NEXT ((void *)-1) |
| 26 | #define RTLD_DEFAULT ((void *)0) |
| 27 | |
| 28 | #ifdef __wasilibc_unmodified_upstream |
| 29 | #define RTLD_DI_LINKMAP 2 |
| 30 | #endif |
| 31 | |
| 32 | int dlclose(void *); |
| 33 | char *dlerror(void); |
| 34 | void *dlopen(const char *, int); |
| 35 | void *dlsym(void *__restrict, const char *__restrict); |
| 36 | |
| 37 | #if defined(__wasilibc_unmodified_upstream) && (defined(_GNU_SOURCE) || defined(_BSD_SOURCE)) |
| 38 | typedef struct { |
| 39 | const char *dli_fname; |
| 40 | void *dli_fbase; |
| 41 | const char *dli_sname; |
| 42 | void *dli_saddr; |
| 43 | } Dl_info; |
| 44 | int dladdr(const void *, Dl_info *); |
| 45 | int dlinfo(void *, int, void *); |
| 46 | #endif |
| 47 | |
| 48 | #if _REDIR_TIME64 |
| 49 | __REDIR(dlsym, __dlsym_time64); |
| 50 | #endif |
| 51 | |
| 52 | #ifdef __cplusplus |
| 53 | } |
| 54 | #endif |
| 55 | |
| 56 | #endif |