fd79eceebf
2006-09-21 Vladimir Prus <vladimir@codesourcery.com> Daniel Jacobowitz <dan@codesourcery.com> Nathan Sidwell <nathan@codesourcery.com> * Makefile.in (SFILES): Add memory-map.c and xml-support.c. (memory_map_h, xml_support_h): New. (target_h): Add vec_h dependency. (COMMON_OBS): Add memory-map.o and xml-support.o. (memory-map.o, xml-support.o): New rules. (remote.o): Update. * exceptions.h (enum errors): Add XML_PARSE_ERROR. * infcmd.c (run_command_1, attach_command): Call target_pre_inferior. * memattr.c (default_mem_attrib): Initialize blocksize. (target_mem_region_list, mem_use_target) (target_mem_regions_valid, mem_region_cmp, mem_region_init) (require_user_regions, require_target_regions) (invalidate_target_mem_regions): New. (create_mem_region): Use mem_region_init. (mem_clear): Move higher. (lookup_mem_region): Use require_target_regions. (mem_command): Implement "mem auto". (mem_info_command): Handle target-supplied regions and flash attributes. (mem_enable_command, mem_disable_command, mem_delete_command): Use require_user_regions. (_initialize_mem): Mention "mem auto" in help. * memattr.h (enum mem_access_mode): Add MEM_FLASH. (struct mem_attrib): Add blocksize. (invalidate_target_mem_regions, mem_region_init, mem_region_cmp): New prototypes. * remote.c: Include "memory-map.h". (PACKET_qXfer_memory_map): New enum value. (remote_protocol_features): Add qXfer:memory-map:read. (remote_xfer_partial): Handle memory maps. (remote_memory_map): New. (init_remote_ops, init_remote_async_ops): Set to_memory_map. (_initialize_remote): Register qXfer:memory-map:read. * target.c (update_current_target): Mention to_memory_map. (target_memory_map, target_pre_inferior): New. (target_preopen): Call target_pre_inferior. * target.h: Include "vec.h". (enum target_object): Add TARGET_OBJECT_MEMORY_MAP. (struct target_ops): Add to_memory_map. (target_memory_map, target_pre_inferior): New prototypes. * memory-map.c, memory-map.h, xml-support.c, xml-support.h: New files. gdb/doc/ 2006-09-21 Vladimir Prus <vladimir@codesourcery.com> Daniel Jacobowitz <dan@codesourcery.com> * gdb.texinfo (Memory Region Attributes): Mention target-supplied memory regions and "mem auto".
106 lines
2.9 KiB
C
106 lines
2.9 KiB
C
/* Memory attributes support, for GDB.
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Copyright (C) 2001, 2006 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 2 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, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA. */
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#ifndef MEMATTR_H
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#define MEMATTR_H
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#include "vec.h"
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enum mem_access_mode
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{
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MEM_RW, /* read/write */
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MEM_RO, /* read only */
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MEM_WO, /* write only */
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/* Read/write, but special steps are required to write to it. */
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MEM_FLASH
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};
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enum mem_access_width
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{
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MEM_WIDTH_UNSPECIFIED,
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MEM_WIDTH_8, /* 8 bit accesses */
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MEM_WIDTH_16, /* 16 " " */
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MEM_WIDTH_32, /* 32 " " */
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MEM_WIDTH_64 /* 64 " " */
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};
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/* The set of all attributes that can be set for a memory region.
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This structure was created so that memory attributes can be passed
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to target_ functions without exposing the details of memory region
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list, which would be necessary if these fields were simply added to
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the mem_region structure.
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FIXME: It would be useful if there was a mechanism for targets to
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add their own attributes. For example, the number of wait states. */
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struct mem_attrib
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{
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/* read/write, read-only, or write-only */
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enum mem_access_mode mode;
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enum mem_access_width width;
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/* enables hardware breakpoints */
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int hwbreak;
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/* enables host-side caching of memory region data */
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int cache;
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/* enables memory verification. after a write, memory is re-read
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to verify that the write was successful. */
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int verify;
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/* Block size. Only valid if mode == MEM_FLASH. */
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int blocksize;
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};
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struct mem_region
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{
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CORE_ADDR lo;
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CORE_ADDR hi;
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/* Item number of this memory region. */
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int number;
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/* Status of this memory region (enabled if non-zero, otherwise disabled) */
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int enabled_p;
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/* Attributes for this region */
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struct mem_attrib attrib;
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};
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/* Declare a vector type for a group of mem_region structures. The
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typedef is necessary because vec.h can not handle a struct tag.
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Except during construction, these vectors are kept sorted. */
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typedef struct mem_region mem_region_s;
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DEF_VEC_O(mem_region_s);
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extern struct mem_region *lookup_mem_region(CORE_ADDR);
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void invalidate_target_mem_regions (void);
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void mem_region_init (struct mem_region *);
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int mem_region_cmp (const void *, const void *);
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#endif /* MEMATTR_H */
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