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authorFlorian Weimer <fweimer@redhat.com>2021-04-21 19:49:50 +0200
committerFlorian Weimer <fweimer@redhat.com>2021-04-21 19:49:50 +0200
commit4647ce82c733d1453611e35236b786ecd7faf598 (patch)
tree32c72ddfeca5dda088deccec73729f20bfe93b69 /nptl/pt-cleanup.c
parent5a3140b48978f0f690a5fee2f4a53705c02aabac (diff)
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nptl: Move __pthread_cleanup_upto into libc
This internal symbol is used as part of the longjmp implementation. Rename the file from nptl/pt-cleanup.c to nptl/pthread_cleanup_upto.c so that the pt-* files remain restricted to libpthread. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Diffstat (limited to 'nptl/pt-cleanup.c')
-rw-r--r--nptl/pt-cleanup.c62
1 files changed, 0 insertions, 62 deletions
diff --git a/nptl/pt-cleanup.c b/nptl/pt-cleanup.c
deleted file mode 100644
index 5415332..0000000
--- a/nptl/pt-cleanup.c
+++ /dev/null
@@ -1,62 +0,0 @@
-/* Copyright (C) 2002-2021 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <https://www.gnu.org/licenses/>. */
-
-#include <setjmp.h>
-#include <stdlib.h>
-#include "pthreadP.h"
-#include <jmpbuf-unwind.h>
-
-void
-__pthread_cleanup_upto (__jmp_buf target, char *targetframe)
-{
- struct pthread *self = THREAD_SELF;
- struct _pthread_cleanup_buffer *cbuf;
-
- /* Adjust all pointers used in comparisons, so that top of thread's
- stack is at the top of address space. Without that, things break
- if stack is allocated above the main stack. */
- uintptr_t adj = (uintptr_t) self->stackblock + self->stackblock_size;
- uintptr_t targetframe_adj = (uintptr_t) targetframe - adj;
-
- for (cbuf = THREAD_GETMEM (self, cleanup);
- cbuf != NULL && _JMPBUF_UNWINDS_ADJ (target, cbuf, adj);
- cbuf = cbuf->__prev)
- {
-#if _STACK_GROWS_DOWN
- if ((uintptr_t) cbuf - adj <= targetframe_adj)
- {
- cbuf = NULL;
- break;
- }
-#elif _STACK_GROWS_UP
- if ((uintptr_t) cbuf - adj >= targetframe_adj)
- {
- cbuf = NULL;
- break;
- }
-#else
-# error "Define either _STACK_GROWS_DOWN or _STACK_GROWS_UP"
-#endif
-
- /* Call the cleanup code. */
- cbuf->__routine (cbuf->__arg);
- }
-
- THREAD_SETMEM (self, cleanup, cbuf);
-}
-hidden_def (__pthread_cleanup_upto)