1 files changed, 0 insertions, 112 deletions
diff --git a/contrib/gcc/config/mips/linux-unwind.h b/contrib/gcc/config/mips/linux-unwind.h
deleted file mode 100644
index 4f96e95e940b..000000000000
--- a/contrib/gcc/config/mips/linux-unwind.h
+++ /dev/null
@@ -1,112 +0,0 @@
-/* DWARF2 EH unwinding support for MIPS Linux.
-   Copyright (C) 2004, 2005 Free Software Foundation, Inc.
-
-This file is part of GCC.
-
-GCC is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-In addition to the permissions in the GNU General Public License, the
-Free Software Foundation gives you unlimited permission to link the
-compiled version of this file with other programs, and to distribute
-those programs without any restriction coming from the use of this
-file.  (The General Public License restrictions do apply in other
-respects; for example, they cover modification of the file, and
-distribution when not linked into another program.)
-
-GCC 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 General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING.  If not, write to
-the Free Software Foundation, 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA.  */
-
-#ifndef inhibit_libc
-/* Do code reading to identify a signal frame, and set the frame
-   state data appropriately.  See unwind-dw2.c for the structs.  */
-
-#include <signal.h>
-#include <asm/unistd.h>
-
-/* The third parameter to the signal handler points to something with
- * this structure defined in asm/ucontext.h, but the name clashes with
- * struct ucontext from sys/ucontext.h so this private copy is used.  */
-typedef struct _sig_ucontext {
-    unsigned long         uc_flags;
-    struct _sig_ucontext  *uc_link;
-    stack_t               uc_stack;
-    struct sigcontext uc_mcontext;
-    sigset_t      uc_sigmask;
-} _sig_ucontext_t;
-
-#define MD_FALLBACK_FRAME_STATE_FOR mips_fallback_frame_state
-
-static _Unwind_Reason_Code
-mips_fallback_frame_state (struct _Unwind_Context *context,
-			   _Unwind_FrameState *fs)
-{
-  u_int32_t *pc = (u_int32_t *) context->ra;
-  struct sigcontext *sc;
-  _Unwind_Ptr new_cfa;
-  int i;
-
-  /* 24021061 li v0, 0x1061 (rt_sigreturn)*/
-  /* 0000000c syscall    */
-  /*    or */
-  /* 24021017 li v0, 0x1017 (sigreturn) */
-  /* 0000000c syscall  */
-  if (pc[1] != 0x0000000c)
-    return _URC_END_OF_STACK;
-#if _MIPS_SIM == _ABIO32
-  if (pc[0] == (0x24020000 | __NR_sigreturn))
-    {
-      struct sigframe {
-	u_int32_t trampoline[2];
-	struct sigcontext sigctx;
-      } *rt_ = context->ra;
-      sc = &rt_->sigctx;
-    }
-  else
-#endif
-  if (pc[0] == (0x24020000 | __NR_rt_sigreturn))
-    {
-      struct rt_sigframe {
-	u_int32_t trampoline[2];
-	struct siginfo info;
-	_sig_ucontext_t uc;
-      } *rt_ = context->ra;
-      sc = &rt_->uc.uc_mcontext;
-    }
-  else
-    return _URC_END_OF_STACK;
-
-  new_cfa = (_Unwind_Ptr)sc;
-  fs->cfa_how = CFA_REG_OFFSET;
-  fs->cfa_reg = STACK_POINTER_REGNUM;
-  fs->cfa_offset = new_cfa - (_Unwind_Ptr) context->cfa;
-
-#if _MIPS_SIM == _ABIO32 && defined __MIPSEB__
-  /* On o32 Linux, the register save slots in the sigcontext are
-     eight bytes.  We need the lower half of each register slot,
-     so slide our view of the structure back four bytes.  */
-  new_cfa -= 4;
-#endif
-
-  for (i = 0; i < 32; i++) {
-    fs->regs.reg[i].how = REG_SAVED_OFFSET;
-    fs->regs.reg[i].loc.offset
-      = (_Unwind_Ptr)&(sc->sc_regs[i]) - new_cfa;
-  }
-  fs->regs.reg[SIGNAL_UNWIND_RETURN_COLUMN].how = REG_SAVED_OFFSET;
-  fs->regs.reg[SIGNAL_UNWIND_RETURN_COLUMN].loc.offset
-    = (_Unwind_Ptr)&(sc->sc_pc) - new_cfa;
-  fs->retaddr_column = SIGNAL_UNWIND_RETURN_COLUMN;
-
-  return _URC_NO_REASON;
-}
-#endif