diff options
author | CoprDistGit <infra@openeuler.org> | 2024-08-03 06:28:41 +0000 |
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committer | CoprDistGit <infra@openeuler.org> | 2024-08-03 06:28:41 +0000 |
commit | d20db0561a6a36f914fde030512503b114ef9a0c (patch) | |
tree | d4e5e3494d95c269a1cee6195f11bf3201bcadbf /0009-add-unwind-with-longjmp.patch | |
parent | 016343d99b1b269d7246ef1e143d4b54914433d4 (diff) |
automatic import of glibcopeneuler22.03_LTS_SP4openeuler22.03_LTS_SP3openeuler20.03
Diffstat (limited to '0009-add-unwind-with-longjmp.patch')
-rw-r--r-- | 0009-add-unwind-with-longjmp.patch | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/0009-add-unwind-with-longjmp.patch b/0009-add-unwind-with-longjmp.patch new file mode 100644 index 0000000..cfe1ecb --- /dev/null +++ b/0009-add-unwind-with-longjmp.patch @@ -0,0 +1,161 @@ +From 09d65ff393e9183eecba1e5cb877e95dbdd3d4a4 Mon Sep 17 00:00:00 2001 +From: Ulrich Drepper <drepper@redhat.com> +Date: Sat, 12 Apr 2003 00:58:26 +0000 +Subject: [PATCH 9/9] build extra lipthreadcond so + +since 6253bacdc00de132dec452ff7c6ce3ba7fa23d81, __libc_longjmp became a +private interface.We can't quote directly. +Change it to longjmp + +--- + nptl_2_17/unwind_2_17.c | 138 ++++++++++++++++++++++++++++++++++++++++ + 1 file changed, 138 insertions(+) + create mode 100644 nptl_2_17/unwind_2_17.c + +diff --git a/nptl_2_17/unwind_2_17.c b/nptl_2_17/unwind_2_17.c +new file mode 100644 +index 00000000..ada8f74d +--- /dev/null ++++ b/nptl_2_17/unwind_2_17.c +@@ -0,0 +1,138 @@ ++/* Copyright (C) 2003-2016 Free Software Foundation, Inc. ++ This file is part of the GNU C Library. ++ Contributed by Ulrich Drepper <drepper@redhat.com> ++ and Richard Henderson <rth@redhat.com>, 2003. ++ ++ 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 ++ <http://www.gnu.org/licenses/>. */ ++ ++#include "pthreadP_2_17.h" ++#include <setjmp.h> ++#include <stdio.h> ++#include <stdlib.h> ++#include <string.h> ++#include <unistd.h> ++#include <jmpbuf-unwind.h> ++ ++#ifdef _STACK_GROWS_DOWN ++# define FRAME_LEFT(frame, other, adj) \ ++ ((uintptr_t) frame - adj >= (uintptr_t) other - adj) ++#elif _STACK_GROWS_UP ++# define FRAME_LEFT(frame, other, adj) \ ++ ((uintptr_t) frame - adj <= (uintptr_t) other - adj) ++#else ++# error "Define either _STACK_GROWS_DOWN or _STACK_GROWS_UP" ++#endif ++ ++static _Unwind_Reason_Code ++unwind_stop (int version, _Unwind_Action actions, ++ _Unwind_Exception_Class exc_class, ++ struct _Unwind_Exception *exc_obj, ++ struct _Unwind_Context *context, void *stop_parameter) ++{ ++ struct pthread_unwind_buf *buf = stop_parameter; ++ struct pthread *self = THREAD_SELF; ++ struct _pthread_cleanup_buffer *curp = THREAD_GETMEM (self, cleanup); ++ int do_longjump = 0; ++ ++ /* 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; ++ ++ /* Do longjmp if we're at "end of stack", aka "end of unwind data". ++ We assume there are only C frame without unwind data in between ++ here and the jmp_buf target. Otherwise simply note that the CFA ++ of a function is NOT within it's stack frame; it's the SP of the ++ previous frame. */ ++ if ((actions & _UA_END_OF_STACK) ++ || ! _JMPBUF_CFA_UNWINDS_ADJ (buf->cancel_jmp_buf[0].jmp_buf, context, ++ adj)) ++ do_longjump = 1; ++ ++ if (__glibc_unlikely (curp != NULL)) ++ { ++ /* Handle the compatibility stuff. Execute all handlers ++ registered with the old method which would be unwound by this ++ step. */ ++ struct _pthread_cleanup_buffer *oldp = buf->priv.data.cleanup; ++ void *cfa = (void *) (_Unwind_Ptr) _Unwind_GetCFA (context); ++ ++ if (curp != oldp && (do_longjump || FRAME_LEFT (cfa, curp, adj))) ++ { ++ do ++ { ++ /* Pointer to the next element. */ ++ struct _pthread_cleanup_buffer *nextp = curp->__prev; ++ ++ /* Call the handler. */ ++ curp->__routine (curp->__arg); ++ ++ /* To the next. */ ++ curp = nextp; ++ } ++ while (curp != oldp ++ && (do_longjump || FRAME_LEFT (cfa, curp, adj))); ++ ++ /* Mark the current element as handled. */ ++ THREAD_SETMEM (self, cleanup, curp); ++ } ++ } ++ ++ if (do_longjump) ++ longjmp ((struct __jmp_buf_tag *) buf->cancel_jmp_buf, 1); ++ ++ return _URC_NO_REASON; ++} ++ ++ ++static void ++unwind_cleanup (_Unwind_Reason_Code reason, struct _Unwind_Exception *exc) ++{ ++ /* When we get here a C++ catch block didn't rethrow the object. We ++ cannot handle this case and therefore abort. */ ++ __libc_fatal ("FATAL: exception not rethrown\n"); ++} ++ ++ ++void ++__cleanup_fct_attribute __attribute ((noreturn)) ++__pthread_unwind (__pthread_unwind_buf_t *buf) ++{ ++ struct pthread_unwind_buf *ibuf = (struct pthread_unwind_buf *) buf; ++ struct pthread *self = THREAD_SELF; ++ ++ /* This is not a catchable exception, so don't provide any details about ++ the exception type. We do need to initialize the field though. */ ++ THREAD_SETMEM (self, exc.exception_class, 0); ++ THREAD_SETMEM (self, exc.exception_cleanup, &unwind_cleanup); ++ ++ _Unwind_ForcedUnwind (&self->exc, unwind_stop, ibuf); ++ /* NOTREACHED */ ++ ++ /* We better do not get here. */ ++ abort (); ++} ++hidden_def (__pthread_unwind) ++ ++ ++void ++__cleanup_fct_attribute __attribute ((noreturn)) ++__pthread_unwind_next (__pthread_unwind_buf_t *buf) ++{ ++ struct pthread_unwind_buf *ibuf = (struct pthread_unwind_buf *) buf; ++ ++ __pthread_unwind ((__pthread_unwind_buf_t *) ibuf->priv.data.prev); ++} ++hidden_def (__pthread_unwind_next) +-- +2.30.0 + |