76 lines
2 KiB
C
76 lines
2 KiB
C
/*
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* This file is part of ltrace.
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* Copyright (C) 2013 Petr Machata
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* Copyright (C) 2006 Eric Vaitl
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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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., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*/
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#ifndef LTRACE_MIPS_ARCH_H
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#define LTRACE_MIPS_ARCH_H
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#include <stddef.h>
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#include <gelf.h>
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#ifdef __MIPSEL__
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# define BREAKPOINT_VALUE { 0x0d, 0x00, 0x00, 0x00 }
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# define ARCH_ENDIAN_LITTLE
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#elif defined(__MIPSEB__)
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# define BREAKPOINT_VALUE { 0x00, 0x00, 0x00, 0x0d }
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# define ARCH_ENDIAN_BIG
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#else
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# error __MIPSEL__ or __MIPSEB__ must be defined
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#endif
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#define BREAKPOINT_LENGTH 4
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#define DECR_PC_AFTER_BREAK 0
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#define LT_ELFCLASS ELFCLASS32
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#define LT_ELF_MACHINE EM_MIPS
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#define ARCH_HAVE_LTELF_DATA
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struct arch_ltelf_data {
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size_t pltgot_addr;
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size_t mips_local_gotno;
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size_t mips_gotsym;
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};
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#define ARCH_HAVE_FIND_DL_DEBUG
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#define ARCH_HAVE_GET_SYMINFO
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#define ARCH_HAVE_DYNLINK_DONE
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#define ARCH_HAVE_ADD_PLT_ENTRY
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#define ARCH_HAVE_SW_SINGLESTEP
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#define ARCH_HAVE_SYMBOL_RET
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#define ARCH_HAVE_LIBRARY_SYMBOL_DATA
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enum mips_plt_type
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{
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MIPS_PLT_UNRESOLVED,
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MIPS_PLT_RESOLVED,
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};
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struct arch_library_symbol_data {
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enum mips_plt_type type;
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GElf_Addr resolved_addr;
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GElf_Addr stub_addr;
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/* Set for FUNCs that have GOT entries but not PLT entries. */
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int gotonly : 1;
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/* Set for FUNCs that have PLT entries that are always used. */
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int pltalways : 1;
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};
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#endif /* LTRACE_MIPS_ARCH_H */
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