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make ldd report the libc/dynamic linker itself

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This commit is contained in:
Rich Felker 2013-07-26 14:41:12 -04:00
parent 876748ead3
commit a97a050eca
1 changed files with 22 additions and 0 deletions
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22
src/ldso/dynlink.c
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@ -458,6 +458,18 @@ static struct dso *load_library(const char *name)
size_t l = z-name;
for (rp=reserved; *rp && memcmp(name+3, rp, l-3); rp+=strlen(rp)+1);
if (*rp) {
if (ldd_mode) {
/* Track which names have been resolved
* and only report each one once. */
static unsigned reported;
unsigned mask = 1U<<(rp-reserved);
if (!(reported & mask)) {
reported |= mask;
dprintf(1, "\t%s => %s (%p)\n",
name, ldso->name,
ldso->base);
}
}
if (!ldso->prev) {
tail->next = ldso;
ldso->prev = tail;
@ -941,6 +953,16 @@ void *__dynlink(int argc, char **argv)
lib->name = ldname;
app->name = argv[0];
aux[AT_ENTRY] = (size_t)app->base + ehdr->e_entry;
/* Find the name that would have been used for the dynamic
* linker had ldd not taken its place. */
if (ldd_mode) {
for (i=0; i<app->phnum; i++) {
if (app->phdr[i].p_type == PT_INTERP)
lib->name = (void *)(app->base
+ app->phdr[i].p_vaddr);
}
dprintf(1, "\t%s (%p)\n", lib->name, lib->base);
}
}
if (app->tls_size) {
app->tls_id = tls_cnt = 1;