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b6af0555b5
* 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.
67 lines
2.4 KiB
C
67 lines
2.4 KiB
C
/* Stack unwinding code based on dwarf2 frame info for GDB, the GNU debugger.
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Copyright 2001
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Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifndef DWARF2CFI_H
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#define DWARF2CFI_H
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/* Return the frame address. */
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CORE_ADDR cfi_read_fp ();
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/* Store the frame address. */
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void cfi_write_fp (CORE_ADDR val);
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/* Restore the machine to the state it had before the current frame
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was created. */
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void cfi_pop_frame (struct frame_info *);
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/* Determine the address of the calling function's frame. */
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CORE_ADDR cfi_frame_chain (struct frame_info *fi);
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/* Sets the pc of the frame. */
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void cfi_init_frame_pc (int fromleaf, struct frame_info *fi);
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/* Initialize unwind context informations of the frame. */
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void cfi_init_extra_frame_info (int fromleaf, struct frame_info *fi);
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/* Obtain return address of the frame. */
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CORE_ADDR cfi_get_ra (struct frame_info *fi);
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/* Find register number REGNUM relative to FRAME and put its
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(raw) contents in *RAW_BUFFER. Set *OPTIMIZED if the variable
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was optimized out (and thus can't be fetched). If the variable
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was fetched from memory, set *ADDRP to where it was fetched from,
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otherwise it was fetched from a register.
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The argument RAW_BUFFER must point to aligned memory. */
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void cfi_get_saved_register (char *raw_buffer,
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int *optimized,
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CORE_ADDR * addrp,
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struct frame_info *frame,
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int regnum, enum lval_type *lval);
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/* Return the register that the function uses for a frame pointer,
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plus any necessary offset to be applied to the register before
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any frame pointer offsets. */
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void cfi_virtual_frame_pointer (CORE_ADDR pc, int *frame_regnum,
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LONGEST * frame_offset);
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#endif
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