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author | Rich Felker <dalias@aerifal.cx> | 2013-07-26 14:41:12 -0400 |
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committer | Rich Felker <dalias@aerifal.cx> | 2013-07-26 14:41:12 -0400 |
commit | a97a050eca5167404667f38ad3b5bbc86f987e69 (patch) | |
tree | 09b9f0b30a9028e6d69eb4a85295138cc53a10d2 | |
parent | 876748ead3de7798623c09af835a4b56dcc28e0f (diff) | |
download | musl-a97a050eca5167404667f38ad3b5bbc86f987e69.tar.gz musl-a97a050eca5167404667f38ad3b5bbc86f987e69.tar.bz2 musl-a97a050eca5167404667f38ad3b5bbc86f987e69.tar.xz musl-a97a050eca5167404667f38ad3b5bbc86f987e69.zip |
make ldd report the libc/dynamic linker itself
-rw-r--r-- | src/ldso/dynlink.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/ldso/dynlink.c b/src/ldso/dynlink.c index ff416838..1ef981ae 100644 --- a/src/ldso/dynlink.c +++ b/src/ldso/dynlink.c @@ -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; |