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5cbfbe4263
This commit aims to allow a user to enable or disable mdebug support at compilation time. To do that, a new configure option is added, called --enable-gdb-mdebug-support (and the accompanying --disable version). By default, support is enabled, and if a user decides to disable support, the file mdebugread.c won't be compiled in the final binary, and the macro MDEBUG_FORMAT_AVAILABLE won't be defined. That macro is used to control the definitions of mdebug reading, either the actual definition in mdebugread.c, or a static inline version that only emits the following warning: > No mdebug support available. Ideally, we'd like to guard the entirity of mdebugread in the macro, but the alpha-mdebug-tdep file uses those directly, and I don't think we should restrict alpha hosts to requiring that debug format compiled in, nor do I understand the tdep file enough to be comfortable disentangling the requirements. Reviewed-By: Eli Zaretskii <eliz@gnu.org> Approved-By: Andrew Burgess <aburgess@redhat.com>
75 lines
2.2 KiB
C
75 lines
2.2 KiB
C
/* Read a symbol table in ECOFF format (Third-Eye).
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Copyright (C) 2004-2025 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 GDB_MDEBUGREAD_H
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#define GDB_MDEBUGREAD_H
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#include "coff/sym.h"
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#include "coff/symconst.h"
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/* Specific information about a procedure. Architectures (ab)uses
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this to save memory. */
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struct mdebug_extra_func_info
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{
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long numargs; /* Number of args to procedure (was iopt). */
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PDR pdr; /* Procedure descriptor record. */
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};
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/* Special symbol found in blocks associated with routines. We can
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hang mdebug_extra_func_info's off of this. */
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#define MDEBUG_EFI_SYMBOL_NAME "__GDB_EFI_INFO__"
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#if defined(MDEBUG_FORMAT_AVAILABLE)
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extern void elfmdebug_build_psymtabs (struct objfile *,
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const struct ecoff_debug_swap *,
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asection *);
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/* Read ECOFF debugging information from a BFD section. This is
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called from mipsread.c. It parses the section into a
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ecoff_debug_info struct, and then lets the rest of the file handle
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it as normal. */
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extern void mipsmdebug_build_psymtabs (struct objfile *,
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const struct ecoff_debug_swap *,
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struct ecoff_debug_info *);
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#else /* MDEBUG_FORMAT_AVAILABLE */
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static inline void
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elfmdebug_build_psymtabs (struct objfile *,
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const struct ecoff_debug_swap *,
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asection *)
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{
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warning (_("No mdebug support available"));
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}
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static inline void
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mipsmdebug_build_psymtabs (struct objfile *,
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const struct ecoff_debug_swap *,
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struct ecoff_debug_info *)
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{
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warning (_("No mdebug support available"));
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}
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#endif /* MDEBUG_FORMAT_AVAILABLE */
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#endif /* GDB_MDEBUGREAD_H */
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