/* Stack unwinding code based on dwarf2 frame info for GDB, the GNU debugger. Copyright 2001 Free Software Foundation, Inc. This file is part of GDB. This program 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 of the License, or (at your option) any later version. This program 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 this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef DWARF2CFI_H #define DWARF2CFI_H /* Return the frame address. */ CORE_ADDR cfi_read_fp (); /* Store the frame address. */ void cfi_write_fp (CORE_ADDR val); /* Restore the machine to the state it had before the current frame was created. */ void cfi_pop_frame (struct frame_info *); /* Determine the address of the calling function's frame. */ CORE_ADDR cfi_frame_chain (struct frame_info *fi); /* Sets the pc of the frame. */ void cfi_init_frame_pc (int fromleaf, struct frame_info *fi); /* Initialize unwind context informations of the frame. */ void cfi_init_extra_frame_info (int fromleaf, struct frame_info *fi); /* Obtain return address of the frame. */ CORE_ADDR cfi_get_ra (struct frame_info *fi); /* Find register number REGNUM relative to FRAME and put its (raw) contents in *RAW_BUFFER. Set *OPTIMIZED if the variable was optimized out (and thus can't be fetched). If the variable was fetched from memory, set *ADDRP to where it was fetched from, otherwise it was fetched from a register. The argument RAW_BUFFER must point to aligned memory. */ void cfi_get_saved_register (char *raw_buffer, int *optimized, CORE_ADDR * addrp, struct frame_info *frame, int regnum, enum lval_type *lval); /* Return the register that the function uses for a frame pointer, plus any necessary offset to be applied to the register before any frame pointer offsets. */ void cfi_virtual_frame_pointer (CORE_ADDR pc, int *frame_regnum, LONGEST * frame_offset); #endif