X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fdwarf2-frame.h;h=dd03d590ccf3041f2a1701cbe2aaac62b5438870;hb=690a96ed8ce0d2256eec357a187252a0974241af;hp=5191c0e8d497eab835a009d5992440611dc9480d;hpb=3ed09a32677624b5eb98dfe31a4f3b249eaa6dc5;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/dwarf2-frame.h b/gdb/dwarf2-frame.h index 5191c0e8d4..dd03d590cc 100644 --- a/gdb/dwarf2-frame.h +++ b/gdb/dwarf2-frame.h @@ -1,6 +1,7 @@ /* Frame unwinder for frames with DWARF Call Frame Information. - Copyright 2003, 2004 Free Software Foundation, Inc. + Copyright (C) 2003, 2004, 2005, 2007, 2008, 2009 + Free Software Foundation, Inc. Contributed by Mark Kettenis. @@ -8,7 +9,7 @@ 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 + the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, @@ -17,9 +18,7 @@ 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. */ + along with this program. If not, see . */ #ifndef DWARF2_FRAME_H #define DWARF2_FRAME_H 1 @@ -51,10 +50,17 @@ enum dwarf2_frame_reg_rule DWARF2_FRAME_REG_SAVED_EXP, DWARF2_FRAME_REG_SAME_VALUE, + /* These are defined in Dwarf3. */ + DWARF2_FRAME_REG_SAVED_VAL_OFFSET, + DWARF2_FRAME_REG_SAVED_VAL_EXP, + /* These aren't defined by the DWARF2 CFI specification, but are used internally by GDB. */ + DWARF2_FRAME_REG_FN, /* Call a registered function. */ DWARF2_FRAME_REG_RA, /* Return Address. */ - DWARF2_FRAME_REG_CFA /* Call Frame Address. */ + DWARF2_FRAME_REG_RA_OFFSET, /* Return Address with offset. */ + DWARF2_FRAME_REG_CFA, /* Call Frame Address. */ + DWARF2_FRAME_REG_CFA_OFFSET /* Call Frame Address with offset. */ }; /* Register state. */ @@ -67,6 +73,8 @@ struct dwarf2_frame_state_reg LONGEST offset; ULONGEST reg; unsigned char *exp; + struct value *(*fn) (struct frame_info *this_frame, void **this_cache, + int regnum); } loc; ULONGEST exp_len; enum dwarf2_frame_reg_rule how; @@ -77,7 +85,8 @@ struct dwarf2_frame_state_reg extern void dwarf2_frame_set_init_reg (struct gdbarch *gdbarch, void (*init_reg) (struct gdbarch *, int, - struct dwarf2_frame_state_reg *)); + struct dwarf2_frame_state_reg *, + struct frame_info *)); /* Set the architecture-specific signal trampoline recognition function for GDBARCH to SIGNAL_FRAME_P. */ @@ -87,20 +96,30 @@ extern void int (*signal_frame_p) (struct gdbarch *, struct frame_info *)); -/* Return the frame unwind methods for the function that contains PC, - or NULL if it can't be handled by DWARF CFI frame unwinder. */ +/* Set the architecture-specific adjustment of .eh_frame and .debug_frame + register numbers. */ + +extern void + dwarf2_frame_set_adjust_regnum (struct gdbarch *gdbarch, + int (*adjust_regnum) (struct gdbarch *, + int, int)); + +/* Append the DWARF-2 frame unwinders to GDBARCH's list. */ -extern const struct frame_unwind * - dwarf2_frame_sniffer (struct frame_info *next_frame); +void dwarf2_append_unwinders (struct gdbarch *gdbarch); /* Return the frame base methods for the function that contains PC, or NULL if it can't be handled by the DWARF CFI frame unwinder. */ extern const struct frame_base * - dwarf2_frame_base_sniffer (struct frame_info *next_frame); + dwarf2_frame_base_sniffer (struct frame_info *this_frame); /* Register the DWARF CFI for OBJFILE. */ void dwarf2_frame_build_info (struct objfile *objfile); +/* Compute the DWARF CFA for a frame. */ + +CORE_ADDR dwarf2_frame_cfa (struct frame_info *this_frame); + #endif /* dwarf2-frame.h */