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authorRoland McGrath <roland@gnu.org>1996-01-24 01:34:10 +0000
committerRoland McGrath <roland@gnu.org>1996-01-24 01:34:10 +0000
commitfd86137937b2be15f18c6564f39aa51fd0c48b00 (patch)
treedc7bfce2017d697a0d04ddd170f27840151fdf64 /elf
parent1d8dc4293f772369e2da018ba5f1bf6e67967f3a (diff)
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(dl_main): Support additional args in --list mode for debugging: look them up as symbol names and print values.
Diffstat (limited to 'elf')
-rw-r--r--elf/rtld.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/elf/rtld.c b/elf/rtld.c
index 070febc..aa004f3 100644
--- a/elf/rtld.c
+++ b/elf/rtld.c
@@ -300,6 +300,8 @@ of this helper program; chances are you did not intend to run this program.\n",
functions we call below for output may no longer work properly
after relocation. */
+ int i;
+
if (! _dl_loaded->l_info[DT_NEEDED])
_dl_sysdep_message ("\t", "statically linked\n", NULL);
else
@@ -314,6 +316,25 @@ of this helper program; chances are you did not intend to run this program.\n",
" (0x", bp, ")\n", NULL);
}
+ for (i = 1; i < _dl_argc; ++i)
+ {
+ const Elf32_Sym *ref = NULL;
+ Elf32_Addr loadbase = _dl_lookup_symbol (_dl_argv[i], &ref,
+ _dl_loaded, "argument",
+ 1);
+ char buf[20], *bp;
+ buf[sizeof buf - 1] = '\0';
+ bp = _itoa (ref->st_value, &buf[sizeof buf - 1], 16, 0);
+ while (&buf[sizeof buf - 1] - bp < sizeof loadbase * 2)
+ *--bp = '0';
+ _dl_sysdep_message (_dl_argv[i], " found at 0x", bp, NULL);
+ buf[sizeof buf - 1] = '\0';
+ bp = _itoa (loadbase, &buf[sizeof buf - 1], 16, 0);
+ while (&buf[sizeof buf - 1] - bp < sizeof loadbase * 2)
+ *--bp = '0';
+ _dl_sysdep_message (" in object at 0x", bp, "\n", NULL);
+ }
+
_exit (0);
}