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authorRoland McGrath <roland@gnu.org>1995-09-28 17:05:33 +0000
committerRoland McGrath <roland@gnu.org>1995-09-28 17:05:33 +0000
commit91f62ce6b5797f04006ac5aff08416ecd61bf972 (patch)
tree47d059cdd85f49eb3606ffe9fc6e1d1ab69438f1 /elf/rtld.c
parent889fd48ef98160f898581789bbedca99f4120945 (diff)
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(rtld_command): Variable removed. (_dl_skip_args): New variable. (dl_main): Increment _dl_skip_args instead of setting rtld_command. If the link_map for the executable itself is not first in the chain, make it so.
Diffstat (limited to 'elf/rtld.c')
-rw-r--r--elf/rtld.c21
1 files changed, 18 insertions, 3 deletions
diff --git a/elf/rtld.c b/elf/rtld.c
index ac14c45..df91573 100644
--- a/elf/rtld.c
+++ b/elf/rtld.c
@@ -100,7 +100,7 @@ _dl_start (void *arg)
void _start (void);
-static int rtld_command; /* Nonzero if we were run directly. */
+unsigned int _dl_skip_args; /* Nonzero if we were run directly. */
static void
dl_main (const Elf32_Phdr *phdr,
@@ -147,7 +147,7 @@ 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);
- rtld_command = 1;
+ ++_dl_skip_args;
interpreter_name = _dl_argv[0];
--_dl_argc;
++_dl_argv;
@@ -167,6 +167,20 @@ of this helper program; chances are you did not intend to run this program.\n",
interpreter_name = 0;
}
+ if (l != _dl_loaded)
+ {
+ /* GDB assumes that the first element on the chain is the
+ link_map for the executable itself, and always skips it.
+ Make sure the first one is indeed that one. */
+ l->l_prev->l_next = l->l_next;
+ if (l->l_next)
+ l->l_next->l_prev = l->l_prev;
+ l->l_prev = NULL;
+ l->l_next = _dl_loaded;
+ _dl_loaded->l_prev = l;
+ _dl_loaded = l;
+ }
+
/* Scan the program header table for the dynamic section. */
for (ph = phdr; ph < &phdr[phent]; ++ph)
switch (ph->p_type)
@@ -220,7 +234,8 @@ of this helper program; chances are you did not intend to run this program.\n",
}
l = _dl_loaded->l_next;
- assert (l->l_type == lt_interpreter);
+ while (l->l_type != lt_interpreter)
+ l = l->l_next;
if (l->l_opencount == 0)
{
/* No DT_NEEDED entry referred to the interpreter object itself.