old-cross-binutils/gdb/mips-tdep.h
Ulrich Weigand 0b1b3e423a * gdbarch.sh (software_single_step): Replace REGCACHE argument by
FRAME argument.
	* gdbarch.c, gdbarch.h: Regenerate.
	* infrun.c (resume): Pass current frame to SOFTWARE_SINGLE_STEP.

	* alpha-tdep.c (alpha_next_pc): Add FRAME argument.  Retrieve
	registers from FRAME instead of using read_register.
	(alpha_software_single_step): Replace REGCACHE by FRAME.  Pass FRAME
	to alpha_next_pc.  Use get_frame_pc instead of read_pc.
	* alpha-tdep.h (alpha_software_single_step): Replace REGCACHE
	argument by FRAME.

	* arm-tdep.c (shifted_reg_val): Add FRAME argument.  Read registers
	from FRAME instead of using read_register.
	(thumb_get_next_pc): Likewise.
	(arm_get_next_pc): Likewise.
	(arm_software_single_step): Replace REGCACHE by FRAME.  Pass FRAME
	to arm_get_next_pc.  Use get_frame_pc instead of read_register.
	* arm-tdep.h (arm_software_single_step): Replace REGCACHE
	argument by FRAME.

	* cris-tdep.c (find_step_target): Add FRAME argument.  Read registers
	from FRAME instead of using read_register.
	(cris_software_single_step): Replace REGCACHE by FRAME.  Pass FRAME
	to find_step_target.

	* mips-tdep.c (mips32_next_pc): Add FRAME argument.  Read registers
	from FRAME instead of using read_register / read_signed_register.
	(extended_mips16_next_pc): Likewise.
	(mips16_next_pc): Likewise.
	(mips_next_pc): Likewise.
	(mips_software_single_step): Replace REGCACHE by FRAME.  Pass FRAME
	to mips_next_pc.  Use get_frame_pc instead of read_pc.
	* mips-tdep.h (mips_software_single_step): Replace REGCACHE
	argument by FRAME.

	* rs6000-tdep.c (branch_dest): Add FRAME argument.  Use it instead
	of current frame.  Read registers from FRAME.
	(deal_with_atomic_sequence): Add FRAME argument.  Pass it to
	branch_dest.  Use get_frame_pc instead of read_pc.
	(rs6000_software_single_step): Likewise.
	(bl_to_blrl_insn_p): Do not call branch_dest.
	* rs6000-tdep.h (rs6000_software_single_step): Replace REGCACHE
	argument by FRAME.

	* sparc64-linux-tdep.c (sparc64_linux_step_trap): Add FRAME argument.
	Read registers from FRAME instead of current regcache.
	* sparc-linux-tdep.c (sparc32_linux_step_trap): Likewise.
	* sparcnbsd-tdep.c (sparcnbsd_step_trap): Likewise.
	* sparc-tdep.c (sparc_address_from_register): Remove.
	(sparc_analyze_control_transfer): Pass FRAME argument instead of
	GDBARCH.  Pass FRAME to step_trap callback.
	(sparc_step_trap): Add FRAME argument.
	(space_software_single_step): Replace REGCACHE by FRAME.  Pass FRAME
	to sparc_analyze_control_transfer.  Read registers from FRAME instead
	of calling sparc_address_from_register.
	* sparc-tdep.h (struct gdbarch_tdep): Add FRAME argument to
	step_trap callback.
	(sparc_address_from_register): Remove prototype.
	(sparc_software_single_step): Replace REGCACHE argument by FRAME.
	(sparcnbsd_step_trap): Add FRAME argument.

	* spu-tdep.c (spu_software_single_step): Replace REGCACHE argument
	by FRAME.  Read registers from FRAME instead of REGCACHE.
2007-06-15 22:37:35 +00:00

107 lines
3.3 KiB
C

/* Target-dependent header for the MIPS architecture, for GDB, the GNU Debugger.
Copyright (C) 2002, 2003, 2007 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., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
#ifndef MIPS_TDEP_H
#define MIPS_TDEP_H
struct gdbarch;
/* All the possible MIPS ABIs. */
enum mips_abi
{
MIPS_ABI_UNKNOWN = 0,
MIPS_ABI_N32,
MIPS_ABI_O32,
MIPS_ABI_N64,
MIPS_ABI_O64,
MIPS_ABI_EABI32,
MIPS_ABI_EABI64,
MIPS_ABI_LAST
};
/* Return the MIPS ABI associated with GDBARCH. */
enum mips_abi mips_abi (struct gdbarch *gdbarch);
/* Return the MIPS ISA's register size. Just a short cut to the BFD
architecture's word size. */
extern int mips_isa_regsize (struct gdbarch *gdbarch);
/* Return the current index for various MIPS registers. */
struct mips_regnum
{
int pc;
int fp0;
int fp_implementation_revision;
int fp_control_status;
int badvaddr; /* Bad vaddr for addressing exception. */
int cause; /* Describes last exception. */
int hi; /* Multiply/divide temp. */
int lo; /* ... */
};
extern const struct mips_regnum *mips_regnum (struct gdbarch *gdbarch);
/* Register numbers of various important registers. */
enum
{
MIPS_ZERO_REGNUM = 0, /* Read-only register, always 0. */
MIPS_AT_REGNUM = 1,
MIPS_V0_REGNUM = 2, /* Function integer return value. */
MIPS_A0_REGNUM = 4, /* Loc of first arg during a subr call */
MIPS_T9_REGNUM = 25, /* Contains address of callee in PIC. */
MIPS_SP_REGNUM = 29,
MIPS_RA_REGNUM = 31,
MIPS_PS_REGNUM = 32, /* Contains processor status. */
MIPS_EMBED_LO_REGNUM = 33,
MIPS_EMBED_HI_REGNUM = 34,
MIPS_EMBED_BADVADDR_REGNUM = 35,
MIPS_EMBED_CAUSE_REGNUM = 36,
MIPS_EMBED_PC_REGNUM = 37,
MIPS_EMBED_FP0_REGNUM = 38,
MIPS_UNUSED_REGNUM = 73, /* Never used, FIXME */
MIPS_FIRST_EMBED_REGNUM = 74, /* First CP0 register for embedded use. */
MIPS_PRID_REGNUM = 89, /* Processor ID. */
MIPS_LAST_EMBED_REGNUM = 89 /* Last one. */
};
/* Defined in mips-tdep.c and used in remote-mips.c */
extern void deprecated_mips_set_processor_regs_hack (void);
/* Instruction sizes and other useful constants. */
enum
{
MIPS_INSN16_SIZE = 2,
MIPS_INSN32_SIZE = 4,
/* The number of floating-point or integer registers. */
MIPS_NUMREGS = 32
};
/* Single step based on where the current instruction will take us. */
extern int mips_software_single_step (struct frame_info *frame);
/* Tell if the program counter value in MEMADDR is in a MIPS16
function. */
extern int mips_pc_is_mips16 (bfd_vma memaddr);
/* Return the currently configured (or set) saved register size. */
extern unsigned int mips_abi_regsize (struct gdbarch *gdbarch);
#endif /* MIPS_TDEP_H */