diff options
| author | Dale Rahn <drahn@cvs.openbsd.org> | 2004-08-11 19:14:57 +0000 |
|---|---|---|
| committer | Dale Rahn <drahn@cvs.openbsd.org> | 2004-08-11 19:14:57 +0000 |
| commit | 790e0511d8b6629c85ac959d63eac9fe4c7caacc (patch) | |
| tree | a773d637df2fb3bf669f7ff2c16983fc3344e417 /include | |
| parent | fec58ae8c4bc4002d602ce897ee4f88767e23679 (diff) | |
add dladdr() support and add some 'standard' dlsym() support.
ok millert miod pval, grumble deraadt
Diffstat (limited to 'include')
| -rw-r--r-- | include/dlfcn.h | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/include/dlfcn.h b/include/dlfcn.h index 41da0bbda69..3a87daee962 100644 --- a/include/dlfcn.h +++ b/include/dlfcn.h @@ -1,4 +1,4 @@ -/* $OpenBSD: dlfcn.h,v 1.8 2003/09/02 15:14:54 drahn Exp $ */ +/* $OpenBSD: dlfcn.h,v 1.9 2004/08/11 19:14:56 drahn Exp $ */ /* $NetBSD: dlfcn.h,v 1.2 1995/06/05 19:38:00 pk Exp $ */ /* @@ -37,6 +37,16 @@ #include <sys/cdefs.h> /* + * Structure filled in by dladdr(). + */ +typedef struct dl_info { + const char *dli_fname; /* Pathname of shared object. */ + void *dli_fbase; /* Base address of shared object. */ + const char *dli_sname; /* Name of nearest symbol. */ + void *dli_saddr; /* Address of nearest symbol. */ +} Dl_info; + +/* * User interface to the run-time linker. */ __BEGIN_DECLS @@ -45,6 +55,7 @@ extern int dlclose(void *); extern void *dlsym(void *, const char *); extern int dlctl(void *, int, void *); extern const char *dlerror(void); +extern int dladdr(const void *, Dl_info *); __END_DECLS /* Values for dlopen `mode'. */ @@ -55,6 +66,13 @@ __END_DECLS #define DL_LAZY RTLD_LAZY /* Compat */ /* + * Special handle arguments for dlsym(). + */ +#define RTLD_NEXT ((void *) -1) /* Search subsequent objects. */ +#define RTLD_DEFAULT ((void *) -2) /* Use default search algorithm. */ +#define RTLD_SELF ((void *) -3) /* Search the caller itself. */ + +/* * dlctl() commands */ #define DL_GETERRNO 1 |