66 lines
1.7 KiB
C++
66 lines
1.7 KiB
C++
/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2013.
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This file is part of Sortix.
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Sortix is free software: you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation, either version 3 of the License, or (at your option) any later
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version.
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Sortix is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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details.
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You should have received a copy of the GNU General Public License along with
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Sortix. If not, see <http://www.gnu.org/licenses/>.
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symbol.cpp
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Symbol table access.
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*******************************************************************************/
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#include <stddef.h>
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#include <stdint.h>
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#include <sortix/kernel/symbol.h>
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namespace Sortix {
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Symbol* kernel_symbol_table;
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size_t kernel_symbol_table_length;
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void SetKernelSymbolTable(Symbol* table, size_t length)
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{
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kernel_symbol_table = table;
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kernel_symbol_table_length = length;
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}
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const Symbol* GetKernelSymbolTable(size_t* length)
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{
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if ( length )
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*length = kernel_symbol_table_length;
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return kernel_symbol_table;
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}
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static bool MatchesSymbol(const Symbol* symbol, uintptr_t address)
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{
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return symbol->address <= address &&
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address <= symbol->address + symbol->size;
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}
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const Symbol* GetKernelSymbol(uintptr_t address)
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{
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for ( size_t i = 0; i < kernel_symbol_table_length; i++ )
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{
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const Symbol* symbol = kernel_symbol_table + i;
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if ( MatchesSymbol(symbol, address) )
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return symbol;
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}
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return NULL;
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}
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} // namespace Sortix
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