diff options
Diffstat (limited to 'sysdeps')
-rw-r--r-- | sysdeps/aarch64/backtrace.c | 1 | ||||
-rw-r--r-- | sysdeps/alpha/backtrace.c | 1 | ||||
-rw-r--r-- | sysdeps/hppa/backtrace.c | 1 | ||||
-rw-r--r-- | sysdeps/ia64/backtrace.c | 1 | ||||
-rw-r--r-- | sysdeps/mips/backtrace.c | 1 | ||||
-rw-r--r-- | sysdeps/nios2/backtrace.c | 1 | ||||
-rw-r--r-- | sysdeps/riscv/backtrace.c | 1 | ||||
-rw-r--r-- | sysdeps/sh/backtrace.c | 1 | ||||
-rw-r--r-- | sysdeps/tile/backtrace.c | 1 | ||||
-rw-r--r-- | sysdeps/x86_64/backtrace.c | 134 |
10 files changed, 0 insertions, 143 deletions
diff --git a/sysdeps/aarch64/backtrace.c b/sysdeps/aarch64/backtrace.c deleted file mode 100644 index 27ce597..0000000 --- a/sysdeps/aarch64/backtrace.c +++ /dev/null @@ -1 +0,0 @@ -#include <sysdeps/x86_64/backtrace.c> diff --git a/sysdeps/alpha/backtrace.c b/sysdeps/alpha/backtrace.c deleted file mode 100644 index 27ce597..0000000 --- a/sysdeps/alpha/backtrace.c +++ /dev/null @@ -1 +0,0 @@ -#include <sysdeps/x86_64/backtrace.c> diff --git a/sysdeps/hppa/backtrace.c b/sysdeps/hppa/backtrace.c deleted file mode 100644 index 27ce597..0000000 --- a/sysdeps/hppa/backtrace.c +++ /dev/null @@ -1 +0,0 @@ -#include <sysdeps/x86_64/backtrace.c> diff --git a/sysdeps/ia64/backtrace.c b/sysdeps/ia64/backtrace.c deleted file mode 100644 index 27ce597..0000000 --- a/sysdeps/ia64/backtrace.c +++ /dev/null @@ -1 +0,0 @@ -#include <sysdeps/x86_64/backtrace.c> diff --git a/sysdeps/mips/backtrace.c b/sysdeps/mips/backtrace.c deleted file mode 100644 index 27ce597..0000000 --- a/sysdeps/mips/backtrace.c +++ /dev/null @@ -1 +0,0 @@ -#include <sysdeps/x86_64/backtrace.c> diff --git a/sysdeps/nios2/backtrace.c b/sysdeps/nios2/backtrace.c deleted file mode 100644 index 27ce597..0000000 --- a/sysdeps/nios2/backtrace.c +++ /dev/null @@ -1 +0,0 @@ -#include <sysdeps/x86_64/backtrace.c> diff --git a/sysdeps/riscv/backtrace.c b/sysdeps/riscv/backtrace.c deleted file mode 100644 index 27ce597..0000000 --- a/sysdeps/riscv/backtrace.c +++ /dev/null @@ -1 +0,0 @@ -#include <sysdeps/x86_64/backtrace.c> diff --git a/sysdeps/sh/backtrace.c b/sysdeps/sh/backtrace.c deleted file mode 100644 index 4f3eafb..0000000 --- a/sysdeps/sh/backtrace.c +++ /dev/null @@ -1 +0,0 @@ -#include "../x86_64/backtrace.c" diff --git a/sysdeps/tile/backtrace.c b/sysdeps/tile/backtrace.c deleted file mode 100644 index 27ce597..0000000 --- a/sysdeps/tile/backtrace.c +++ /dev/null @@ -1 +0,0 @@ -#include <sysdeps/x86_64/backtrace.c> diff --git a/sysdeps/x86_64/backtrace.c b/sysdeps/x86_64/backtrace.c deleted file mode 100644 index d423cc0..0000000 --- a/sysdeps/x86_64/backtrace.c +++ /dev/null @@ -1,134 +0,0 @@ -/* Return backtrace of current program state. - Copyright (C) 2003-2018 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Jakub Jelinek <jakub@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 <libc-lock.h> -#include <dlfcn.h> -#include <execinfo.h> -#include <gnu/lib-names.h> -#include <stdlib.h> -#include <unwind.h> - -struct trace_arg -{ - void **array; - _Unwind_Word cfa; - int cnt; - int size; -}; - -#ifdef SHARED -static _Unwind_Reason_Code (*unwind_backtrace) (_Unwind_Trace_Fn, void *); -static _Unwind_Ptr (*unwind_getip) (struct _Unwind_Context *); -static _Unwind_Word (*unwind_getcfa) (struct _Unwind_Context *); -static void *libgcc_handle; - - -/* Dummy version in case libgcc_s does not contain the real code. */ -static _Unwind_Word -dummy_getcfa (struct _Unwind_Context *ctx __attribute__ ((unused))) -{ - return 0; -} - - -static void -init (void) -{ - libgcc_handle = __libc_dlopen (LIBGCC_S_SO); - - if (libgcc_handle == NULL) - return; - - unwind_backtrace = __libc_dlsym (libgcc_handle, "_Unwind_Backtrace"); - unwind_getip = __libc_dlsym (libgcc_handle, "_Unwind_GetIP"); - if (unwind_getip == NULL) - unwind_backtrace = NULL; - unwind_getcfa = (__libc_dlsym (libgcc_handle, "_Unwind_GetCFA") - ?: dummy_getcfa); -} -#else -# define unwind_backtrace _Unwind_Backtrace -# define unwind_getip _Unwind_GetIP -# define unwind_getcfa _Unwind_GetCFA -#endif - -static _Unwind_Reason_Code -backtrace_helper (struct _Unwind_Context *ctx, void *a) -{ - struct trace_arg *arg = a; - - /* We are first called with address in the __backtrace function. - Skip it. */ - if (arg->cnt != -1) - { - arg->array[arg->cnt] = (void *) unwind_getip (ctx); - - /* Check whether we make any progress. */ - _Unwind_Word cfa = unwind_getcfa (ctx); - - if (arg->cnt > 0 && arg->array[arg->cnt - 1] == arg->array[arg->cnt] - && cfa == arg->cfa) - return _URC_END_OF_STACK; - arg->cfa = cfa; - } - if (++arg->cnt == arg->size) - return _URC_END_OF_STACK; - return _URC_NO_REASON; -} - -int -__backtrace (void **array, int size) -{ - struct trace_arg arg = { .array = array, .cfa = 0, .size = size, .cnt = -1 }; - - if (size <= 0) - return 0; - -#ifdef SHARED - __libc_once_define (static, once); - - __libc_once (once, init); - if (unwind_backtrace == NULL) - return 0; -#endif - - unwind_backtrace (backtrace_helper, &arg); - - /* _Unwind_Backtrace seems to put NULL address above - _start. Fix it up here. */ - if (arg.cnt > 1 && arg.array[arg.cnt - 1] == NULL) - --arg.cnt; - return arg.cnt != -1 ? arg.cnt : 0; -} -weak_alias (__backtrace, backtrace) -libc_hidden_def (__backtrace) - - -#ifdef SHARED -/* Free all resources if necessary. */ -libc_freeres_fn (free_mem) -{ - unwind_backtrace = NULL; - if (libgcc_handle != NULL) - { - __libc_dlclose (libgcc_handle); - libgcc_handle = NULL; - } -} -#endif |