diff options
author | Jiri Smid <smid@suse.cz> | 2001-12-07 12:10:15 +0000 |
---|---|---|
committer | Jiri Smid <smid@suse.cz> | 2001-12-07 12:10:15 +0000 |
commit | b6af0555b58f4a5996fd3590f2cb40d3664136f7 (patch) | |
tree | 9b7a4ced0b51e81f780db2bf5cf41bc7ba9c281d /gdb/dwarf2cfi.h | |
parent | 1fbc4a84a3764dd04760128c5666348c0fa070eb (diff) | |
download | fsf-binutils-gdb-b6af0555b58f4a5996fd3590f2cb40d3664136f7.zip fsf-binutils-gdb-b6af0555b58f4a5996fd3590f2cb40d3664136f7.tar.gz fsf-binutils-gdb-b6af0555b58f4a5996fd3590f2cb40d3664136f7.tar.bz2 |
* 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.
Diffstat (limited to 'gdb/dwarf2cfi.h')
-rw-r--r-- | gdb/dwarf2cfi.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/gdb/dwarf2cfi.h b/gdb/dwarf2cfi.h new file mode 100644 index 0000000..f4c675a --- /dev/null +++ b/gdb/dwarf2cfi.h @@ -0,0 +1,66 @@ +/* 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 |