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author | David Holsgrove <david.holsgrove@xilinx.com> | 2014-02-17 11:08:21 +1000 |
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committer | David Holsgrove <david.holsgrove@xilinx.com> | 2014-02-17 11:08:21 +1000 |
commit | ef114eafbff80525d079d7d6fadd69a58eb8dcc3 (patch) | |
tree | e643e00a609e9a6cda5ae90e2eb499cb992dd91b /ports/sysdeps/microblaze/backtrace_linux.c | |
parent | ab7ac0f2cf8731fe4c3f3aea6088a7c0127b5725 (diff) | |
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[MicroBlaze]: Move MicroBlaze from ports to sysdeps.
2014-02-17 David Holsgrove <david.holsgrove@xilinx.com>
* sysdeps/microblaze: Move directory from ports/sysdeps/microblaze.
* sysdeps/unix/sysv/linux/microblaze: Move directory from
ports/sysdeps/unix/sysv/linux/microblaze.
* README: Add missing listing for microblaze*-*-linux-gnu.
Signed-off-by: David Holsgrove <david.holsgrove@xilinx.com>
Diffstat (limited to 'ports/sysdeps/microblaze/backtrace_linux.c')
-rw-r--r-- | ports/sysdeps/microblaze/backtrace_linux.c | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/ports/sysdeps/microblaze/backtrace_linux.c b/ports/sysdeps/microblaze/backtrace_linux.c deleted file mode 100644 index 309d7ef000..0000000000 --- a/ports/sysdeps/microblaze/backtrace_linux.c +++ /dev/null @@ -1,59 +0,0 @@ -/* Copyright (C) 2005-2014 Free Software Foundation, Inc. - - This file is part of the GNU C Library. - - 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 <stddef.h> -#include <asm/sigcontext.h> -#include <linux/signal.h> -#include <asm-generic/ucontext.h> -#include <asm/unistd.h> - -int -_identify_sighandler (unsigned long fp, unsigned long pc, - unsigned long *pprev_fp, unsigned long *pprev_pc, - unsigned long *retaddr) -{ - unsigned long *tramp = 0; - struct ucontext *uc; - - if (*retaddr == 0) - { - /* Kernel inserts the tramp between the signal handler frame and the - caller frame in signal handling. */ - tramp = (unsigned long *) pc; - tramp += 2; - if ((*tramp == (0x31800000 | __NR_rt_sigreturn)) - && (*(tramp+1) == 0xb9cc0008)) - { - /* Signal handler function argument are: - int sig_num, siginfo_t * info, void * ucontext - therefore ucontext is the 3rd argument. */ - unsigned long ucptr = ((unsigned long) tramp - - sizeof (struct ucontext)); - uc = (struct ucontext *) ucptr; - *pprev_pc = uc->uc_mcontext.regs.pc; - /* Need to record the return address since the return address of the - function which causes this signal may not be recorded in the - stack. */ - *pprev_fp = uc->uc_mcontext.regs.r1; - *retaddr = uc->uc_mcontext.regs.r15; - /* It is a signal handler. */ - return 1; - } - } - return 0; -} |