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Diffstat (limited to 'include/gdb/gdb-index.h')
| -rw-r--r-- | include/gdb/gdb-index.h | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/include/gdb/gdb-index.h b/include/gdb/gdb-index.h deleted file mode 100644 index c197c9d37..000000000 --- a/include/gdb/gdb-index.h +++ /dev/null @@ -1,99 +0,0 @@ -/* Public attributes of the .gdb_index section. - Copyright 2012-2013 Free Software Foundation, Inc. - - This file is part of GDB. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see <http://www.gnu.org/licenses/>. */ - -/* This file contains values for understanding the .gdb_index section - needed by more than just GDB, e.g. readelf. */ - -#ifndef GDB_INDEX_H -#define GDB_INDEX_H - -/* Each symbol in .gdb_index refers to a set of CUs that defines the symbol. - Each CU is represented by a 32 bit number that is the index of the CU in - the CU table, plus some attributes of the use of the symbol in that CU. - - The values are defined such that if all the bits are zero, then no - special meaning is assigned to any of them. This is done to preserve - compatibility with older indices. The way this is done is to specify - that if the GDB_INDEX_SYMBOL_KIND value is zero then all other attribute - bits must be zero. - - 0-23 CU index - 24-27 reserved - 28-30 symbol kind - 31 0 == global, 1 == static - - Bits 24-27 are reserved because it's easier to relax restrictions than - it is to impose them after the fact. At present 24 bits to represent - the CU index is plenty. If we need more bits for the CU index or for - attributes then we have them. */ - -/* Whether the symbol is in GLOBAL_BLOCK (== 0) or STATIC_BLOCK (== 1). */ -#define GDB_INDEX_SYMBOL_STATIC_SHIFT 31 -#define GDB_INDEX_SYMBOL_STATIC_MASK 1 -#define GDB_INDEX_SYMBOL_STATIC_VALUE(cu_index) \ - (((cu_index) >> GDB_INDEX_SYMBOL_STATIC_SHIFT) & GDB_INDEX_SYMBOL_STATIC_MASK) -#define GDB_INDEX_SYMBOL_STATIC_SET_VALUE(cu_index, value) \ - do { \ - (cu_index) |= (((value) & GDB_INDEX_SYMBOL_STATIC_MASK) \ - << GDB_INDEX_SYMBOL_STATIC_SHIFT); \ - } while (0) - -/* The kind of the symbol. - We don't use GDB's internal values as these numbers are published - so that other tools can build and read .gdb_index. */ - -typedef enum { - /* Special value to indicate no attributes are present. */ - GDB_INDEX_SYMBOL_KIND_NONE = 0, - GDB_INDEX_SYMBOL_KIND_TYPE = 1, - GDB_INDEX_SYMBOL_KIND_VARIABLE = 2, - GDB_INDEX_SYMBOL_KIND_FUNCTION = 3, - GDB_INDEX_SYMBOL_KIND_OTHER = 4, - /* We currently allocate 3 bits to record the symbol kind. - Give the unused bits a value so gdb will print them sensibly. */ - GDB_INDEX_SYMBOL_KIND_UNUSED5 = 5, - GDB_INDEX_SYMBOL_KIND_UNUSED6 = 6, - GDB_INDEX_SYMBOL_KIND_UNUSED7 = 7, -} gdb_index_symbol_kind; - -#define GDB_INDEX_SYMBOL_KIND_SHIFT 28 -#define GDB_INDEX_SYMBOL_KIND_MASK 7 -#define GDB_INDEX_SYMBOL_KIND_VALUE(cu_index) \ - ((gdb_index_symbol_kind) (((cu_index) >> GDB_INDEX_SYMBOL_KIND_SHIFT) \ - & GDB_INDEX_SYMBOL_KIND_MASK)) -#define GDB_INDEX_SYMBOL_KIND_SET_VALUE(cu_index, value) \ - do { \ - (cu_index) |= (((value) & GDB_INDEX_SYMBOL_KIND_MASK) \ - << GDB_INDEX_SYMBOL_KIND_SHIFT); \ - } while (0) - -#define GDB_INDEX_RESERVED_SHIFT 24 -#define GDB_INDEX_RESERVED_MASK 15 -#define GDB_INDEX_RESERVED_VALUE(cu_index) \ - (((cu_index) >> GDB_INDEX_RESERVED_SHIFT) & GDB_INDEX_RESERVED_MASK) - -/* CU index. */ -#define GDB_INDEX_CU_BITSIZE 24 -#define GDB_INDEX_CU_MASK ((1 << GDB_INDEX_CU_BITSIZE) - 1) -#define GDB_INDEX_CU_VALUE(cu_index) ((cu_index) & GDB_INDEX_CU_MASK) -#define GDB_INDEX_CU_SET_VALUE(cu_index, value) \ - do { \ - (cu_index) |= (value) & GDB_INDEX_CU_MASK; \ - } while (0) - -#endif /* GDB_INDEX_H */ |