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Diffstat (limited to 'gdb/regcache.h')
| -rw-r--r-- | gdb/regcache.h | 207 |
1 files changed, 0 insertions, 207 deletions
diff --git a/gdb/regcache.h b/gdb/regcache.h deleted file mode 100644 index 4ddcda3..0000000 --- a/gdb/regcache.h +++ /dev/null @@ -1,207 +0,0 @@ -/* Cache and manage the values of registers for GDB, the GNU debugger. - - Copyright 1986, 1987, 1989, 1991, 1994, 1995, 1996, 1998, 2000, - 2001, 2002 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 2 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, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#ifndef REGCACHE_H -#define REGCACHE_H - -struct regcache; -struct gdbarch; - -extern struct regcache *current_regcache; - -void regcache_xfree (struct regcache *regcache); -struct cleanup *make_cleanup_regcache_xfree (struct regcache *regcache); -struct regcache *regcache_xmalloc (struct gdbarch *gdbarch); - -/* Transfer a raw register [0..NUM_REGS) between core-gdb and the - regcache. */ - -void regcache_raw_read (struct regcache *regcache, int rawnum, void *buf); -void regcache_raw_write (struct regcache *regcache, int rawnum, - const void *buf); -extern void regcache_raw_read_signed (struct regcache *regcache, - int regnum, LONGEST *val); -extern void regcache_raw_read_unsigned (struct regcache *regcache, - int regnum, ULONGEST *val); -extern void regcache_raw_write_signed (struct regcache *regcache, - int regnum, LONGEST val); -extern void regcache_raw_write_unsigned (struct regcache *regcache, - int regnum, ULONGEST val); - -/* Partial transfer of a raw registers. These perform read, modify, - write style operations. */ - -void regcache_raw_read_part (struct regcache *regcache, int regnum, - int offset, int len, void *buf); -void regcache_raw_write_part (struct regcache *regcache, int regnum, - int offset, int len, const void *buf); - -int regcache_valid_p (struct regcache *regcache, int regnum); - -/* Transfer a cooked register [0..NUM_REGS+NUM_PSEUDO_REGS). */ -void regcache_cooked_read (struct regcache *regcache, int rawnum, void *buf); -void regcache_cooked_write (struct regcache *regcache, int rawnum, - const void *buf); - -/* NOTE: cagney/2002-08-13: At present GDB has no reliable mechanism - for indicating when a ``cooked'' register was constructed from - invalid or unavailable ``raw'' registers. One fairly easy way of - adding such a mechanism would be for the cooked functions to return - a register valid indication. Given the possibility of such a - change, the extract functions below use a reference parameter, - rather than a function result. */ - -/* Read a register as a signed/unsigned quantity. */ -extern void regcache_cooked_read_signed (struct regcache *regcache, - int regnum, LONGEST *val); -extern void regcache_cooked_read_unsigned (struct regcache *regcache, - int regnum, ULONGEST *val); - -/* Partial transfer of a cooked register. These perform read, modify, - write style operations. */ - -void regcache_cooked_read_part (struct regcache *regcache, int regnum, - int offset, int len, void *buf); -void regcache_cooked_write_part (struct regcache *regcache, int regnum, - int offset, int len, const void *buf); - -/* Transfer a raw register [0..NUM_REGS) between the regcache and the - target. These functions are called by the target in response to a - target_fetch_registers() or target_store_registers(). */ - -extern void supply_register (int regnum, const void *val); -extern void regcache_collect (int regnum, void *buf); - - -/* The register's ``offset''. - - NOTE: cagney/2002-08-17: The ``struct value'' and expression - evaluator treat the register cache as a large liner buffer. - Instead of reading/writing a register using its register number, - the code read/writes registers by specifying their offset into the - buffer and a number of bytes. The code also assumes that these - byte read/writes can cross register boundaries, adjacent registers - treated as a contiguous set of bytes. - - The below map that model onto the real register cache. New code - should go out of their way to avoid using these interfaces. - - FIXME: cagney/2002-08-17: The ``struct value'' and expression - evaluator should be fixed. Instead of using the { offset, length } - pair to describe a value within one or more registers, the code - should use a chain of { regnum, offset, len } tripples. */ - -extern int register_offset_hack (struct gdbarch *gdbarch, int regnum); -extern void regcache_cooked_read_using_offset_hack (struct regcache *regcache, - int offset, int len, - void *buf); -extern void regcache_cooked_write_using_offset_hack (struct regcache *regcache, - int offset, int len, - const void *buf); - - -/* The type of a register. This function is slightly more efficient - then its gdbarch vector counterpart since it returns a precomputed - value stored in a table. - - NOTE: cagney/2002-08-17: The original macro was called - REGISTER_VIRTUAL_TYPE. This was because the register could have - different raw and cooked (nee virtual) representations. The - CONVERTABLE methods being used to convert between the two - representations. Current code does not do this. Instead, the - first [0..NUM_REGS) registers are 1:1 raw:cooked, and the type - exactly describes the register's representation. Consequently, the - ``virtual'' has been dropped. - - FIXME: cagney/2002-08-17: A number of architectures, including the - MIPS, are currently broken in this regard. */ - -extern struct type *register_type (struct gdbarch *gdbarch, int regnum); - - -/* Return the size of the largest register. Used when allocating - space for an aribtrary register value. */ - -extern int max_register_size (struct gdbarch *gdbarch); - - -/* DEPRECATED: Character array containing an image of the inferior - programs' registers for the most recently referenced thread. */ - -extern char *registers; - -/* DEPRECATED: Character array containing the current state of each - register (unavailable<0, invalid=0, valid>0) for the most recently - referenced thread. */ - -extern signed char *register_valid; - -/* Copy/duplicate the contents of a register cache. By default, the - operation is pass-through. Writes to DST and reads from SRC will - go through to the target. - - The ``cpy'' functions can not have overlapping SRC and DST buffers. - - ``no passthrough'' versions do not go through to the target. They - only transfer values already in the cache. */ - -extern struct regcache *regcache_dup (struct regcache *regcache); -extern struct regcache *regcache_dup_no_passthrough (struct regcache *regcache); -extern void regcache_cpy (struct regcache *dest, struct regcache *src); -extern void regcache_cpy_no_passthrough (struct regcache *dest, struct regcache *src); - -extern char *deprecated_grub_regcache_for_registers (struct regcache *); -extern char *deprecated_grub_regcache_for_register_valid (struct regcache *); - -extern int register_cached (int regnum); - -extern void set_register_cached (int regnum, int state); - -extern void register_changed (int regnum); - -extern void registers_changed (void); - -extern void registers_fetched (void); - -extern void read_register_bytes (int regbyte, char *myaddr, int len); - -extern void read_register_gen (int regnum, char *myaddr); - -extern void write_register_gen (int regnum, char *myaddr); - -extern void write_register_bytes (int regbyte, char *myaddr, int len); - -/* Rename to read_unsigned_register()? */ -extern ULONGEST read_register (int regnum); - -/* Rename to read_unsigned_register_pid()? */ -extern ULONGEST read_register_pid (int regnum, ptid_t ptid); - -extern LONGEST read_signed_register (int regnum); - -extern LONGEST read_signed_register_pid (int regnum, ptid_t ptid); - -extern void write_register (int regnum, LONGEST val); - -extern void write_register_pid (int regnum, CORE_ADDR val, ptid_t ptid); - -#endif /* REGCACHE_H */ |