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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".
This commit is contained in:
Daniel Jacobowitz
2006-09-21 13:54:03 +00:00
parent 253c8abb67
commit fd79eceebf
15 changed files with 875 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
gdb/target.h
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@ -55,6 +55,7 @@ struct bp_target_info;
#include "symtab.h"
#include "dcache.h"
#include "memattr.h"
#include "vec.h"
enum strata
{
@ -198,7 +199,9 @@ enum target_object
/* Transfer auxilliary vector. */
TARGET_OBJECT_AUXV,
/* StackGhost cookie. See "sparc-tdep.c". */
TARGET_OBJECT_WCOOKIE
TARGET_OBJECT_WCOOKIE,
/* Target memory map in XML format. */
TARGET_OBJECT_MEMORY_MAP,
/* Possible future objects: TARGET_OBJECT_FILE, TARGET_OBJECT_PROC, ... */
};
@ -453,6 +456,21 @@ struct target_ops
gdb_byte *readbuf, const gdb_byte *writebuf,
ULONGEST offset, LONGEST len);
/* Returns the memory map for the target. A return value of NULL
means that no memory map is available. If a memory address
does not fall within any returned regions, it's assumed to be
RAM. The returned memory regions should not overlap.
The order of regions does not matter; target_memory_map will
sort regions by starting address. For that reason, this
function should not be called directly except via
target_memory_map.
This method should not cache data; if the memory map could
change unexpectedly, it should be invalidated, and higher
layers will re-fetch it. */
VEC(mem_region_s) *(*to_memory_map) (struct target_ops *);
int to_magic;
/* Need sub-structure for target machine related rather than comm related?
*/
@ -576,6 +594,11 @@ extern int xfer_memory (CORE_ADDR, gdb_byte *, int, int,
extern int child_xfer_memory (CORE_ADDR, gdb_byte *, int, int,
struct mem_attrib *, struct target_ops *);
/* Fetches the target's memory map. If one is found it is sorted
and returned, after some consistency checking. Otherwise, NULL
is returned. */
VEC(mem_region_s) *target_memory_map (void);
extern char *child_pid_to_exec_file (int);
extern char *child_core_file_to_sym_file (char *);
@ -1127,6 +1150,8 @@ extern int push_target (struct target_ops *);
extern int unpush_target (struct target_ops *);
extern void target_pre_inferior (int);
extern void target_preopen (int);
extern void pop_target (void);