| 1 |
1181 |
sfurman |
/* Stack unwinding code based on dwarf2 frame info for GDB, the GNU debugger.
|
| 2 |
|
|
Copyright 2001
|
| 3 |
|
|
Free Software Foundation, Inc.
|
| 4 |
|
|
|
| 5 |
|
|
This file is part of GDB.
|
| 6 |
|
|
|
| 7 |
|
|
This program is free software; you can redistribute it and/or modify
|
| 8 |
|
|
it under the terms of the GNU General Public License as published by
|
| 9 |
|
|
the Free Software Foundation; either version 2 of the License, or
|
| 10 |
|
|
(at your option) any later version.
|
| 11 |
|
|
|
| 12 |
|
|
This program is distributed in the hope that it will be useful,
|
| 13 |
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 14 |
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 15 |
|
|
GNU General Public License for more details.
|
| 16 |
|
|
|
| 17 |
|
|
You should have received a copy of the GNU General Public License
|
| 18 |
|
|
along with this program; if not, write to the Free Software
|
| 19 |
|
|
Foundation, Inc., 59 Temple Place - Suite 330,
|
| 20 |
|
|
Boston, MA 02111-1307, USA. */
|
| 21 |
|
|
|
| 22 |
|
|
#ifndef DWARF2CFI_H
|
| 23 |
|
|
#define DWARF2CFI_H
|
| 24 |
|
|
|
| 25 |
|
|
/* Return the frame address. */
|
| 26 |
|
|
CORE_ADDR cfi_read_fp ();
|
| 27 |
|
|
|
| 28 |
|
|
/* Store the frame address. */
|
| 29 |
|
|
void cfi_write_fp (CORE_ADDR val);
|
| 30 |
|
|
|
| 31 |
|
|
/* Restore the machine to the state it had before the current frame
|
| 32 |
|
|
was created. */
|
| 33 |
|
|
void cfi_pop_frame (struct frame_info *);
|
| 34 |
|
|
|
| 35 |
|
|
/* Determine the address of the calling function's frame. */
|
| 36 |
|
|
CORE_ADDR cfi_frame_chain (struct frame_info *fi);
|
| 37 |
|
|
|
| 38 |
|
|
/* Sets the pc of the frame. */
|
| 39 |
|
|
void cfi_init_frame_pc (int fromleaf, struct frame_info *fi);
|
| 40 |
|
|
|
| 41 |
|
|
/* Initialize unwind context informations of the frame. */
|
| 42 |
|
|
void cfi_init_extra_frame_info (int fromleaf, struct frame_info *fi);
|
| 43 |
|
|
|
| 44 |
|
|
/* Obtain return address of the frame. */
|
| 45 |
|
|
CORE_ADDR cfi_get_ra (struct frame_info *fi);
|
| 46 |
|
|
|
| 47 |
|
|
/* Find register number REGNUM relative to FRAME and put its
|
| 48 |
|
|
(raw) contents in *RAW_BUFFER. Set *OPTIMIZED if the variable
|
| 49 |
|
|
was optimized out (and thus can't be fetched). If the variable
|
| 50 |
|
|
was fetched from memory, set *ADDRP to where it was fetched from,
|
| 51 |
|
|
otherwise it was fetched from a register.
|
| 52 |
|
|
|
| 53 |
|
|
The argument RAW_BUFFER must point to aligned memory. */
|
| 54 |
|
|
void cfi_get_saved_register (char *raw_buffer,
|
| 55 |
|
|
int *optimized,
|
| 56 |
|
|
CORE_ADDR * addrp,
|
| 57 |
|
|
struct frame_info *frame,
|
| 58 |
|
|
int regnum, enum lval_type *lval);
|
| 59 |
|
|
|
| 60 |
|
|
/* Return the register that the function uses for a frame pointer,
|
| 61 |
|
|
plus any necessary offset to be applied to the register before
|
| 62 |
|
|
any frame pointer offsets. */
|
| 63 |
|
|
void cfi_virtual_frame_pointer (CORE_ADDR pc, int *frame_regnum,
|
| 64 |
|
|
LONGEST * frame_offset);
|
| 65 |
|
|
|
| 66 |
|
|
#endif
|
