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author | bugaevskiy <bugaevskiy@yandex-team.com> | 2022-12-31 17:40:08 +0300 |
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committer | bugaevskiy <bugaevskiy@yandex-team.com> | 2022-12-31 17:40:08 +0300 |
commit | 030896f914b07ae082ccf0b6b00df926d22d2454 (patch) | |
tree | e520bd22d01faaf07ff303c49ad2fdfefa114f67 /contrib/libs/backtrace/backtrace.c | |
parent | 014fdab1c4bb0fedea59974a6bb13ef3ec3b67cb (diff) | |
download | ydb-030896f914b07ae082ccf0b6b00df926d22d2454.tar.gz |
Remove Boost metaproject
Diffstat (limited to 'contrib/libs/backtrace/backtrace.c')
-rw-r--r-- | contrib/libs/backtrace/backtrace.c | 129 |
1 files changed, 0 insertions, 129 deletions
diff --git a/contrib/libs/backtrace/backtrace.c b/contrib/libs/backtrace/backtrace.c deleted file mode 100644 index 7b62900852..0000000000 --- a/contrib/libs/backtrace/backtrace.c +++ /dev/null @@ -1,129 +0,0 @@ -/* backtrace.c -- Entry point for stack backtrace library. - Copyright (C) 2012-2021 Free Software Foundation, Inc. - Written by Ian Lance Taylor, Google. - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions are -met: - - (1) Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - - (2) Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in - the documentation and/or other materials provided with the - distribution. - - (3) The name of the author may not be used to - endorse or promote products derived from this software without - specific prior written permission. - -THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR -IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED -WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, -INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR -SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) -HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, -STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING -IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. */ - -#include "config.h" - -#include <sys/types.h> - -#include "unwind.h" -#include "backtrace.h" -#include "internal.h" - -/* The main backtrace_full routine. */ - -/* Data passed through _Unwind_Backtrace. */ - -struct backtrace_data -{ - /* Number of frames to skip. */ - int skip; - /* Library state. */ - struct backtrace_state *state; - /* Callback routine. */ - backtrace_full_callback callback; - /* Error callback routine. */ - backtrace_error_callback error_callback; - /* Data to pass to callback routines. */ - void *data; - /* Value to return from backtrace_full. */ - int ret; - /* Whether there is any memory available. */ - int can_alloc; -}; - -/* Unwind library callback routine. This is passed to - _Unwind_Backtrace. */ - -static _Unwind_Reason_Code -unwind (struct _Unwind_Context *context, void *vdata) -{ - struct backtrace_data *bdata = (struct backtrace_data *) vdata; - uintptr_t pc; - int ip_before_insn = 0; - -#ifdef HAVE_GETIPINFO - pc = _Unwind_GetIPInfo (context, &ip_before_insn); -#else - pc = _Unwind_GetIP (context); -#endif - - if (bdata->skip > 0) - { - --bdata->skip; - return _URC_NO_REASON; - } - - if (!ip_before_insn) - --pc; - - if (!bdata->can_alloc) - bdata->ret = bdata->callback (bdata->data, pc, NULL, 0, NULL); - else - bdata->ret = backtrace_pcinfo (bdata->state, pc, bdata->callback, - bdata->error_callback, bdata->data); - if (bdata->ret != 0) - return _URC_END_OF_STACK; - - return _URC_NO_REASON; -} - -/* Get a stack backtrace. */ - -int __attribute__((noinline)) -backtrace_full (struct backtrace_state *state, int skip, - backtrace_full_callback callback, - backtrace_error_callback error_callback, void *data) -{ - struct backtrace_data bdata; - void *p; - - bdata.skip = skip + 1; - bdata.state = state; - bdata.callback = callback; - bdata.error_callback = error_callback; - bdata.data = data; - bdata.ret = 0; - - /* If we can't allocate any memory at all, don't try to produce - file/line information. */ - p = backtrace_alloc (state, 4096, NULL, NULL); - if (p == NULL) - bdata.can_alloc = 0; - else - { - backtrace_free (state, p, 4096, NULL, NULL); - bdata.can_alloc = 1; - } - - _Unwind_Backtrace (unwind, &bdata); - return bdata.ret; -} |