diff options
Diffstat (limited to 'ldso')
| -rw-r--r-- | ldso/include/ldso.h | 4 | ||||
| -rw-r--r-- | ldso/ldso/ldso.c | 55 |
2 files changed, 28 insertions, 31 deletions
diff --git a/ldso/include/ldso.h b/ldso/include/ldso.h index 4c091779d..6f3b728c3 100644 --- a/ldso/include/ldso.h +++ b/ldso/include/ldso.h @@ -73,7 +73,9 @@ struct init_fini_list { /* Global variables used within the shared library loader */ extern char *_dl_library_path; /* Where we look for libraries */ extern char *_dl_preload; /* Things to be loaded before the libs */ -extern char *_dl_ldsopath; /* Where the shared lib loader was found */ +#ifdef __LDSO_SEARCH_INTERP_PATH__ +extern const char *_dl_ldsopath; /* Where the shared lib loader was found */ +#endif extern const char *_dl_progname; /* The name of the executable being run */ extern size_t _dl_pagesize; /* Store the page size for use later */ #ifdef __LDSO_PRELINK_SUPPORT__ diff --git a/ldso/ldso/ldso.c b/ldso/ldso/ldso.c index 0dff9781f..c5ec2fde1 100644 --- a/ldso/ldso/ldso.c +++ b/ldso/ldso/ldso.c @@ -52,9 +52,6 @@ char *_dl_library_path = NULL; /* Where we look for libraries */ #ifdef __LDSO_PRELOAD_ENV_SUPPORT__ char *_dl_preload = NULL; /* Things to be loaded before the libs */ #endif -#ifdef __LDSO_SEARCH_INTERP_PATH__ -char *_dl_ldsopath = NULL; /* Location of the shared lib loader */ -#endif int _dl_errno = 0; /* We can't use the real errno in ldso */ size_t _dl_pagesize = 0; /* Store the page size for use later */ struct r_debug *_dl_debug_addr = NULL; /* Used to communicate with the gdb debugger */ @@ -134,6 +131,28 @@ uintptr_t __guard attribute_relro; # endif #endif +#ifdef __LDSO_SEARCH_INTERP_PATH__ +const char *_dl_ldsopath = NULL; /* Location of the shared lib loader */ + +static void _dl_ldsopath_init(struct elf_resolve *tpnt) +{ + char *ldsopath, *ptmp; + + /* Store the path where the shared lib loader was found for later use */ + ldsopath = _dl_strdup(tpnt->libname); + ptmp = _dl_strrchr(ldsopath, '/'); + if (ptmp != ldsopath) + *ptmp = '\0'; + + _dl_ldsopath = ldsopath; + _dl_debug_early("Lib Loader: (%x) %s: using path: %s\n", + (unsigned) DL_LOADADDR_BASE(tpnt->loadaddr), tpnt->libname, + _dl_ldsopath); +} +#else +#define _dl_ldsopath_init(tpnt) +#endif + char *_dl_getenv(const char *symbol, char **envp) { char *pnt; @@ -574,20 +593,7 @@ of this helper program; chances are you did not intend to run this program.\n\ } } -#ifdef __LDSO_SEARCH_INTERP_PATH__ - { - char *ptmp; - /* Store the path where the shared lib loader was found - * for later use - */ - _dl_ldsopath = _dl_strdup(tpnt->libname); - ptmp = _dl_strrchr(_dl_ldsopath, '/'); - if (ptmp != _dl_ldsopath) - *ptmp = '\0'; - - _dl_debug_early("Lib Loader: (%x) %s\n", (unsigned) DL_LOADADDR_BASE(tpnt->loadaddr), tpnt->libname); - } -#endif + _dl_ldsopath_init(tpnt); } else { #endif @@ -688,19 +694,8 @@ of this helper program; chances are you did not intend to run this program.\n\ /* OK, fill this in - we did not have this before */ if (ppnt->p_type == PT_INTERP) { tpnt->libname = (char *) DL_RELOC_ADDR(app_tpnt->loadaddr, ppnt->p_vaddr); -#ifdef __LDSO_SEARCH_INTERP_PATH__ - { - char *ptmp; - /* Store the path where the shared lib loader was found - * for later use - */ - _dl_ldsopath = _dl_strdup(tpnt->libname); - ptmp = _dl_strrchr(_dl_ldsopath, '/'); - if (ptmp != _dl_ldsopath) - *ptmp = '\0'; - } - _dl_debug_early("Lib Loader: (%x) %s\n", (unsigned) DL_LOADADDR_BASE(tpnt->loadaddr), tpnt->libname); -#endif + + _dl_ldsopath_init(tpnt); } /* Discover any TLS sections if the target supports them. */ |