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* elf/rtld.c (dl_main): In rtld_is_main case, reinitialize

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GL(dl_stack_flags) according to rtld's own PT_GNU_STACK.
	Move GL(dl_make_stack_executable_hook) initialization up.
	* elf/tst-execstack-prog.c: New file.
	* elf/Makefile (tests-execstack-yes): Add it.
	(LDFLAGS-tst-execstack-prog): New variable.
This commit is contained in:
Roland McGrath
2003-09-24 01:56:08 +00:00
parent 217ed70e13
commit c70ba48888
4 changed files with 70 additions and 5 deletions
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35
elf/tst-execstack-prog.c Normal file
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/* Test program for executable stacks in an executable itself. */
#include <dlfcn.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <error.h>
#include "tst-execstack-mod.c" /* This defines the `tryme' test function. */
static void deeper (void (*f) (void));
static int
do_test (void)
{
tryme ();
/* Test that growing the stack region gets new executable pages too. */
deeper (&tryme);
return 0;
}
static void
deeper (void (*f) (void))
{
char stack[1100 * 1024];
memfrob (stack, sizeof stack);
(*f) ();
memfrob (stack, sizeof stack);
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"