old-cross-binutils/gdb/dwarf2cfi.h
Jiri Smid b6af0555b5 * dwarf2cfi.c: New file.
* dwarf2cfi.h: New file.
* dwarf2read.c (dwarf_frame_offset, dwarf_frame_size): New variables.
(dwarf_eh_frame_offset, dwarf_eh_frame_size): New variables.
(dwarf2_read_section): Change to non static.
(dwarf2_locate_sections): Add .debug_frame and .eh_frame section
recognition.
(FRAME_SECTION, EH_FRAME_SECTION): New define.
* elfread.c (elf_symfile_read): Add call of frame informations build.
* frame.h (frame_info): Add pointer to unwind_context.
* symfile.h (dwarf2_build_frame_info): Add declaration.
* gdbarch.sh (DWARF2_BUILD_FRAME_INFO): Add.
* gdbarch.h, gdbarch.c: Regenerate.
* Makefile.in: Add dwarf2cfi_h, dwarf2cfi.o
* x86-64-tdep.c (i386_gdbarch_init): Initialize target vector to
use debug frame info.
2001-12-07 12:10:15 +00:00

66 lines
2.4 KiB
C

/* 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