URL
https://opencores.org/ocsvn/openrisc_me/openrisc_me/trunk
Subversion Repositories openrisc_me
[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [unwind-dw2.h] - Rev 433
Go to most recent revision | Compare with Previous | Blame | View Log
/* DWARF2 frame unwind data structure. Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2009 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 3, or (at your option) any later version. 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. Under Section 7 of GPL version 3, you are granted additional permissions described in the GCC Runtime Library Exception, version 3.1, as published by the Free Software Foundation. You should have received a copy of the GNU General Public License and a copy of the GCC Runtime Library Exception along with this program; see the files COPYING3 and COPYING.RUNTIME respectively. If not, see <http://www.gnu.org/licenses/>. */ /* A target can override (perhaps for backward compatibility) how many dwarf2 columns are unwound. */ #ifndef DWARF_FRAME_REGISTERS #define DWARF_FRAME_REGISTERS FIRST_PSEUDO_REGISTER #endif /* The result of interpreting the frame unwind info for a frame. This is all symbolic at this point, as none of the values can be resolved until the target pc is located. */ typedef struct { /* Each register save state can be described in terms of a CFA slot, another register, or a location expression. */ struct frame_state_reg_info { struct { union { _Unwind_Word reg; _Unwind_Sword offset; const unsigned char *exp; } loc; enum { REG_UNSAVED, REG_SAVED_OFFSET, REG_SAVED_REG, REG_SAVED_EXP, REG_SAVED_VAL_OFFSET, REG_SAVED_VAL_EXP, REG_UNDEFINED } how; } reg[DWARF_FRAME_REGISTERS+1]; /* Used to implement DW_CFA_remember_state. */ struct frame_state_reg_info *prev; /* The CFA can be described in terms of a reg+offset or a location expression. */ _Unwind_Sword cfa_offset; _Unwind_Word cfa_reg; const unsigned char *cfa_exp; enum { CFA_UNSET, CFA_REG_OFFSET, CFA_EXP } cfa_how; } regs; /* The PC described by the current frame state. */ void *pc; /* The information we care about from the CIE/FDE. */ _Unwind_Personality_Fn personality; _Unwind_Sword data_align; _Unwind_Word code_align; _Unwind_Word retaddr_column; unsigned char fde_encoding; unsigned char lsda_encoding; unsigned char saw_z; unsigned char signal_frame; void *eh_ptr; } _Unwind_FrameState;
Go to most recent revision | Compare with Previous | Blame | View Log