From 16045684fd1537372c6e1a25c88a99df0bfc9c5a Mon Sep 17 00:00:00 2001 From: Joakim Tjernlund Date: Mon, 27 Jun 2005 22:20:44 +0000 Subject: Add __libc_stack_end to ld.so. The libc.a version remains to do. sjhill, feel free to comment :) --- ldso/ldso/dl-startup.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) (limited to 'ldso') diff --git a/ldso/ldso/dl-startup.c b/ldso/ldso/dl-startup.c index 07fd189ce..6ff3dac11 100644 --- a/ldso/ldso/dl-startup.c +++ b/ldso/ldso/dl-startup.c @@ -97,8 +97,8 @@ /* Static declarations */ int (*_dl_elf_main) (int, char **, char **); - - +static void* __rtld_stack_end; /* Points to argc on stack, e.g *((long *)__rtld_stackend) == argc */ +strong_alias(__rtld_stack_end, __libc_stack_end); /* Exported version of __rtld_stack_end */ /* When we enter this piece of code, the program stack looks like this: argc argument counter (integer) @@ -290,6 +290,11 @@ static void * __attribute_used__ _dl_start(unsigned long args) free to start using global variables, since these things have all been fixed up by now. Still no function calls outside of this library , since the dynamic resolver is not yet ready. */ + + __rtld_stack_end = (void *)args; /* Needs to be after ld.so self relocation */ + if (*((long *)__rtld_stack_end) != argc) { + SEND_STDERR_DEBUG("__rtld_stack_end doesn't point to argc!"); + } _dl_get_ready_to_run(tpnt, load_addr, auxvt, envp, argv); -- cgit v1.2.3