1 /* Stack unwinding code based on dwarf2 frame info for GDB, the GNU debugger.
3 Free Software Foundation, Inc.
5 This file is part of GDB.
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.
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.
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. */
25 /* Return the frame address. */
26 CORE_ADDR
cfi_read_fp ();
28 /* Store the frame address. */
29 void cfi_write_fp (CORE_ADDR val
);
31 /* Restore the machine to the state it had before the current frame
33 void cfi_pop_frame (struct frame_info
*);
35 /* Determine the address of the calling function's frame. */
36 CORE_ADDR
cfi_frame_chain (struct frame_info
*fi
);
38 /* Sets the pc of the frame. */
39 void cfi_init_frame_pc (int fromleaf
, struct frame_info
*fi
);
41 /* Initialize unwind context informations of the frame. */
42 void cfi_init_extra_frame_info (int fromleaf
, struct frame_info
*fi
);
44 /* Obtain return address of the frame. */
45 CORE_ADDR
cfi_get_ra (struct frame_info
*fi
);
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.
53 The argument RAW_BUFFER must point to aligned memory. */
54 void cfi_get_saved_register (char *raw_buffer
,
57 struct frame_info
*frame
,
58 int regnum
, enum lval_type
*lval
);
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
);
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