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elf: Fix elf/tst-pldd with --enable-hardcoded-path-in-tests (BZ#24506)

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The elf/tst-pldd (added by 1a4c27355e to fix BZ#18035) test does
not expect the hardcoded paths that are output by pldd when the test
is built with --enable-hardcoded-path-in-tests.  Instead of showing
the ABI installed library names for loader and libc (such as
ld-linux-x86-64.so.2 and libc.so.6 for x86_64), pldd shows the default
built ld.so and libc.so.

It makes the tests fail with an invalid expected loader/libc name.

This patch fixes the elf-pldd test by adding the canonical ld.so and
libc.so names in the expected list of possible outputs when parsing
the result output from pldd.  The test now handles both default
build and --enable-hardcoded-path-in-tests option.

Checked on x86_64-linux-gnu (built with and without
--enable-hardcoded-path-in-tests) and i686-linux-gnu.

	* elf/tst-pldd.c (in_str_list): New function.
	(do_test): Add default names for ld and libc as one option.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit b2af6fb2ed)
This commit is contained in:
Adhemerval Zanella 2019-04-30 16:11:57 -03:00 committed by H.J. Lu
parent 6fc6b074ea
commit 3c15600e79
1 changed files with 17 additions and 3 deletions
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20
elf/tst-pldd.c
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@ -20,7 +20,6 @@
#include <string.h> #include <string.h>
#include <unistd.h> #include <unistd.h>
#include <stdint.h> #include <stdint.h>
#include <libgen.h>
#include <stdbool.h> #include <stdbool.h>
#include <array_length.h> #include <array_length.h>
@ -39,6 +38,15 @@ target_process (void *arg)
/* The test runs in a container because pldd does not support tracing /* The test runs in a container because pldd does not support tracing
a binary started by the loader iself (as with testrun.sh). */ a binary started by the loader iself (as with testrun.sh). */
static bool
in_str_list (const char *libname, const char *const strlist[])
{
for (const char *const *str = strlist; *str != NULL; str++)
if (strcmp (libname, *str) == 0)
return true;
return false;
}
static int static int
do_test (void) do_test (void)
{ {
@ -89,14 +97,20 @@ do_test (void)
if (buffer[strlen(buffer)-1] == '\n') if (buffer[strlen(buffer)-1] == '\n')
buffer[strlen(buffer)-1] = '\0'; buffer[strlen(buffer)-1] = '\0';
if (strcmp (basename (buffer), LD_SO) == 0) const char *libname = basename (buffer);
/* It checks for default names in case of build configure with
--enable-hardcoded-path-in-tests (BZ #24506). */
if (in_str_list (libname,
(const char *const []) { "ld.so", LD_SO, NULL }))
{ {
TEST_COMPARE (interpreter_found, false); TEST_COMPARE (interpreter_found, false);
interpreter_found = true; interpreter_found = true;
continue; continue;
} }
if (strcmp (basename (buffer), LIBC_SO) == 0) if (in_str_list (libname,
(const char *const []) { "libc.so", LIBC_SO, NULL }))
{ {
TEST_COMPARE (libc_found, false); TEST_COMPARE (libc_found, false);
libc_found = true; libc_found = true;