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2cdf3c631a
* trad-frame.h (struct frame_info): Add opaque declaration. * remote-fileio.h (struct cmd_list_element): Add opaque declaration. * h8300-tdep.c (h8300s_register_name): Avoid C++ // style comments.
71 lines
2.5 KiB
C
71 lines
2.5 KiB
C
/* Traditional frame unwind support, for GDB the GNU Debugger.
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Copyright 2003 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 TRAD_FRAME_H
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#define TRAD_FRAME_H
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struct frame_info;
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/* A traditional saved regs table, indexed by REGNUM, encoding where
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the value of REGNUM for the previous frame can be found in this
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frame.
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The table is initialized with an identity encoding (ADDR == 0,
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REALNUM == REGNUM) indicating that the value of REGNUM in the
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previous frame can be found in register REGNUM (== REALNUM) in this
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frame.
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The initial encoding can then be changed:
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Modify ADDR (REALNUM >= 0, ADDR != 0) to indicate that the value of
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register REGNUM in the previous frame can be found in memory at
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ADDR in this frame.
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Modify REALNUM (REALNUM >= 0, ADDR == 0) to indicate that the value
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of register REGNUM in the previous frame is found in register
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REALNUM in this frame.
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Call trad_frame_register_value (REALNUM < 0) to indicate that the
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value of register REGNUM in the previous frame is found in ADDR. */
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struct trad_frame_saved_reg
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{
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LONGEST addr; /* A CORE_ADDR fits in a longest. */
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int realnum;
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};
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/* Convenience function, encode REGNUM's location in the trad-frame. */
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void trad_frame_register_value (struct trad_frame_saved_reg this_saved_regs[],
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int regnum, LONGEST val);
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/* Return a freshly allocated (and initialized) trad_frame array. */
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struct trad_frame_saved_reg *trad_frame_alloc_saved_regs (struct frame_info *next_frame);
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/* Given the trad_frame info, return the location of the specified
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register. */
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void trad_frame_prev_register (struct frame_info *next_frame,
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struct trad_frame_saved_reg this_saved_regs[],
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int regnum, int *optimizedp,
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enum lval_type *lvalp, CORE_ADDR *addrp,
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int *realnump, void *bufferp);
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#endif
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