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f962539ad2
When reading a core file register section which is larger than expected, emit a warning. Assume that a register section usually has exactly the size specified by the regset section iterator. In some special cases this assumption is wrong, or at least does not match the regset supply function's logic. Thus also add a way to suppress the warning in those cases, using a new flag REGSET_VARIABLE_SIZE. gdb/ChangeLog: * regset.h (struct regset): Add flags field. (REGSET_VARIABLE_SIZE): New value for a regset's flags field. * corelow.c (get_core_register_section): Add warning if the size exceeds the requested size and the regset does not have the REGSET_VARIABLE_SIZE flag set. * alphanbsd-tdep.c (alphanbsd_gregset): Add REGSET_VARIABLE_SIZE flag. * armbsd-tdep.c (armbsd_gregset): Likewise. * hppa-hpux-tdep.c (hppa_hpux_regset): Likewise. * hppaobsd-tdep.c (hppaobsd_gregset): Likewise. * m68kbsd-tdep.c (m68kbsd_gregset): Likewise. * mipsnbsd-tdep.c (mipsnbsd_gregset): Likewise.
56 lines
1.8 KiB
C
56 lines
1.8 KiB
C
/* Manage register sets.
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Copyright (C) 2003-2015 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 3 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, see <http://www.gnu.org/licenses/>. */
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#ifndef REGSET_H
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#define REGSET_H 1
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struct gdbarch;
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struct regcache;
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/* Data structure describing a register set. */
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typedef void (supply_regset_ftype) (const struct regset *, struct regcache *,
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int, const void *, size_t);
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typedef void (collect_regset_ftype) (const struct regset *,
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const struct regcache *,
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int, void *, size_t);
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struct regset
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{
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/* Pointer to a "register map", for private use by the methods
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below. Typically describes how the regset's registers are
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arranged in the buffer collected to or supplied from. */
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const void *regmap;
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/* Function supplying values in a register set to a register cache. */
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supply_regset_ftype *supply_regset;
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/* Function collecting values in a register set from a register cache. */
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collect_regset_ftype *collect_regset;
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unsigned flags;
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};
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/* Values for a regset's 'flags' field. */
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#define REGSET_VARIABLE_SIZE 1 /* Accept a larger regset section size
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in a core file without warning. */
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#endif /* regset.h */
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