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Diffstat (limited to 'elf/rtld.c')
-rw-r--r--elf/rtld.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/elf/rtld.c b/elf/rtld.c
index f20602d090..1cabe82660 100644
--- a/elf/rtld.c
+++ b/elf/rtld.c
@@ -117,7 +117,6 @@ dl_main (const ElfW(Phdr) *phdr,
{
const ElfW(Phdr) *ph;
struct link_map *l;
- const char *interpreter_name;
int lazy;
int list_only = 0;
@@ -154,7 +153,8 @@ file you run. This is mostly of use for maintainers to test new versions\n\
of this helper program; chances are you did not intend to run this program.\n",
NULL);
- interpreter_name = _dl_argv[0];
+ /* Note the place where the dynamic linker actually came from. */
+ _dl_rtld_map.l_name = _dl_argv[0];
if (! strcmp (_dl_argv[1], "--list"))
{
@@ -182,7 +182,6 @@ of this helper program; chances are you did not intend to run this program.\n",
l = _dl_new_object ((char *) "", "", lt_library);
l->l_phdr = phdr;
l->l_phnum = phent;
- interpreter_name = 0;
l->l_entry = *user_entry;
}
@@ -216,10 +215,14 @@ of this helper program; chances are you did not intend to run this program.\n",
dlopen call or DT_NEEDED entry, for something that wants to link
against the dynamic linker as a shared library, will know that
the shared object is already loaded. */
- interpreter_name = (void *) l->l_addr + ph->p_vaddr;
+ _dl_rtld_map.l_libname = (const char *) l->l_addr + ph->p_vaddr;
break;
}
- assert (interpreter_name); /* How else did we get here? */
+ if (! _dl_rtld_map.l_libname && _dl_rtld_map.l_name)
+ /* We were invoked directly, so the program might not have a PT_INTERP. */
+ _dl_rtld_map.l_libname = _dl_rtld_map.l_name;
+ else
+ assert (_dl_rtld_map.l_libname); /* How else did we get here? */
/* Extract the contents of the dynamic section for easy access. */
elf_get_dynamic_info (l->l_ld, l->l_info);
@@ -229,7 +232,10 @@ of this helper program; chances are you did not intend to run this program.\n",
/* Put the link_map for ourselves on the chain so it can be found by
name. */
- _dl_rtld_map.l_name = (char *) _dl_rtld_map.l_libname = interpreter_name;
+ if (! _dl_rtld_map.l_name)
+ /* If not invoked directly, the dynamic linker shared object file was
+ found by the PT_INTERP name. */
+ _dl_rtld_map.l_name = (char *) _dl_rtld_map.l_libname;
_dl_rtld_map.l_type = lt_library;
while (l->l_next)
l = l->l_next;