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old-cross-binutils/gdb/config/mips/tm-irix5.h

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Initial creation of sourceware repository
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/* Target machine description for SGI Iris under Irix 5, for GDB.
Update/correct copyright notices.
2001-03-06 08:22:02 +00:00
Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1998, 2000
Free Software Foundation, Inc.
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import gdb-1999-07-07 post reformat
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This file is part of GDB.
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import gdb-1999-07-07 post reformat
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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.
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import gdb-1999-07-07 post reformat
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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.
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import gdb-1999-07-07 post reformat
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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. */
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2003-09-11 Andrew Cagney <cagney@redhat.com> Since the IRIX 4 configuration was forcing K&R mode it hasn't been buildable since GDB 5.0. * NEWS: Mention that IRIX 3 and IRIX 4 support were removed. * configure.host: Delete "mips-sgi-irix3*" and "mips-sgi-irix4*". * configure.tgt: Delete "mips*-sgi-*" a.k.a. irix3. * irix4-nat.c: Delete file. * config/mips/irix4.mh: Delete file. * config/mips/irix3.mh: Delete file. * config/mips/irix3.mt: Delete file. * config/mips/tm-irix3.h: Delete file. * config/mips/nm-irix3.h: Delete file. * config/mips/xm-irix3.h: Delete file. * config/mips/nm-irix4.h: Delete file. * config/mips/xm-irix4.h: Delete file. * config/mips/tm-irix5.h: Inline contents of "tm-irix3.h".
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#include "mips/tm-mips.h"
/* Redefine register numbers for SGI. */
#undef MIPS_REGISTER_NAMES
#undef FP0_REGNUM
#undef PC_REGNUM
#undef HI_REGNUM
#undef LO_REGNUM
#undef CAUSE_REGNUM
#undef BADVADDR_REGNUM
#undef FCRCS_REGNUM
#undef FCRIR_REGNUM
/* Initializer for an array of names for registers 32 and above.
There should be NUM_REGS-32 strings in this initializer. */
#define MIPS_REGISTER_NAMES \
{ "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", \
"f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", \
"f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23",\
"f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31",\
"pc", "cause", "bad", "hi", "lo", "fsr", "fir" \
}
/* Register numbers of various important registers.
Note that some of these values are "real" register numbers,
and correspond to the general registers of the machine,
and some are "phony" register numbers which are too large
to be actual register numbers as far as the user is concerned
but do serve to get the desired values when passed to read_register. */
#define FP0_REGNUM 32 /* Floating point register 0 (single float) */
#define PC_REGNUM 64 /* Contains program counter */
#define CAUSE_REGNUM 65 /* describes last exception */
#define BADVADDR_REGNUM 66 /* bad vaddr for addressing exception */
#define HI_REGNUM 67 /* Multiple/divide temp */
#define LO_REGNUM 68 /* ... */
#define FCRCS_REGNUM 69 /* FP control/status */
#define FCRIR_REGNUM 70 /* FP implementation/revision */
/* Offsets for register values in _sigtramp frame.
sigcontext is immediately above the _sigtramp frame on Irix. */
#define SIGFRAME_BASE 0x0
#define SIGFRAME_PC_OFF (SIGFRAME_BASE + 2 * 4)
#define SIGFRAME_REGSAVE_OFF (SIGFRAME_BASE + 3 * 4)
#define SIGFRAME_FPREGSAVE_OFF (SIGFRAME_BASE + 3 * 4 + 32 * 4 + 4)
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Move some of the MIPS n32 ABI configuration options into the mips multi-arch vector.
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/* FIXME: cagney/2000-04-04: Testing the _MIPS_SIM_NABI32 and
_MIPS_SIM in a tm-*.h file is simply wrong! Those are
host-dependant macros (provided by /usr/include) and stop any
chance of the target being cross compiled */
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#if defined (_MIPS_SIM_NABI32) && _MIPS_SIM == _MIPS_SIM_NABI32
/*
* Irix 6 (n32 ABI) has 32-bit GP regs and 64-bit FP regs
*/
2003-06-21 Andrew Cagney <cagney@redhat.com> * mips-tdep.c: Include "reggroups.h" and "sim-regno.h". (mips_register_name): Return names for NUM_REGS..2*NUM_REGS instead of 0..NUM_REGS. (mips_register_reggroup_p): New function. (mips_pseudo_register_write): New function. (mips_pseudo_register_read): New function. (mips_register_raw_size): For NUM_REGS..2*NUM_REGS return the size based on the register's type. (read_next_frame_reg): Simplify. Assert that REGNO is a pseudo / cooked. (mips_get_saved_register): Simplify. Assert that REGNO is a pseudo / cooked. (mips_register_byte): New function. Use MIPS_REGISTER_BYTE. (mips_register_type): Replace mips_register_virtual_type. Map NUM_REGS..2*NUM_REGS onto 0..NUM_REGS. Use MIPS_REGISTER_TYPE when available. (read_next_frame_reg): Simplify, but handle SP_REGNUM. Assert that the register is cooked / virtual. (mips_frame_saved_pc): Fetch the cooked PC, and not the raw PC. Only get the extra info when needed. (set_reg_offset): Save the offset in NUM_REGS..2*NUM_REGS as well. (mips32_heuristic_proc_desc): Fetch the cooked register. (heuristic_proc_desc, mips_pop_frame, get_frame_pointer): Ditto. (mips_init_extra_frame_info, get_frame_pointer): Ditto. (mips_print_register): Use gdbarch_register_type, instead of REGISTER_VIRTUAL_TYPE. (print_gp_register_row): Use gdbarch_register_type, instead of REGISTER_VIRTUAL_TYPE. Allow for a pseudo / cooked REGNUM. (mips_print_registers_info): Assert REGNO is pseodo / cooked. Print the pseudo / cooked registers. (mips_print_registers_info): Assert REGNO is pseodo / cooked. Print the pseudo / cooked registers. (mips_xfer_register): Use regcache_cooked_read_part. Assert that REG_NUM is pseudo / cooked. (mips_o32_xfer_return_value): Xfer the pseudo / cooked register. (mips_n32n64_xfer_return_value): Ditto. (mips_stab_reg_to_regnum): Map onto NUM_REGS..2*NUM_REGS. (mips_dwarf_dwarf2_ecoff_reg_to_regnum): Ditto. (mips_register_sim_regno): New function. (mips_gdbarch_init): Set deprecated_register_byte, register_group_p, pseudo_register_write, pseudo_register_read, register_sim_regno, and num_pseudo_regs. Set register_type, instead of register_virtual_type. * Makefile.in (mips-tdep.o): Update dependencies. * config/mips/tm-mips64.h (MIPS_REGISTER_TYPE): Rename REGISTER_VIRTUAL_TYPE. * config/mips/tm-mips.h (MIPS_REGISTER_TYPE): Ditto. * config/mips/tm-irix5.h (MIPS_REGISTER_TYPE): Ditto. * config/mips/tm-mips.h (MIPS_REGISTER_BYTE): Rename REGISTER_BYTE. * config/mips/tm-irix6.h (MIPS_REGISTER_BYTE): Ditto. * config/mips/tm-irix5.h (MIPS_REGISTER_BYTE): Ditto.
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#undef MIPS_REGISTER_BYTE
#define MIPS_REGISTER_BYTE(N) \
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(((N) < FP0_REGNUM) ? (N) * MIPS_REGSIZE : \
((N) < FP0_REGNUM + 32) ? \
FP0_REGNUM * MIPS_REGSIZE + \
((N) - FP0_REGNUM) * sizeof(double) : \
32 * sizeof(double) + ((N) - 32) * MIPS_REGSIZE)
2003-06-21 Andrew Cagney <cagney@redhat.com> * mips-tdep.c: Include "reggroups.h" and "sim-regno.h". (mips_register_name): Return names for NUM_REGS..2*NUM_REGS instead of 0..NUM_REGS. (mips_register_reggroup_p): New function. (mips_pseudo_register_write): New function. (mips_pseudo_register_read): New function. (mips_register_raw_size): For NUM_REGS..2*NUM_REGS return the size based on the register's type. (read_next_frame_reg): Simplify. Assert that REGNO is a pseudo / cooked. (mips_get_saved_register): Simplify. Assert that REGNO is a pseudo / cooked. (mips_register_byte): New function. Use MIPS_REGISTER_BYTE. (mips_register_type): Replace mips_register_virtual_type. Map NUM_REGS..2*NUM_REGS onto 0..NUM_REGS. Use MIPS_REGISTER_TYPE when available. (read_next_frame_reg): Simplify, but handle SP_REGNUM. Assert that the register is cooked / virtual. (mips_frame_saved_pc): Fetch the cooked PC, and not the raw PC. Only get the extra info when needed. (set_reg_offset): Save the offset in NUM_REGS..2*NUM_REGS as well. (mips32_heuristic_proc_desc): Fetch the cooked register. (heuristic_proc_desc, mips_pop_frame, get_frame_pointer): Ditto. (mips_init_extra_frame_info, get_frame_pointer): Ditto. (mips_print_register): Use gdbarch_register_type, instead of REGISTER_VIRTUAL_TYPE. (print_gp_register_row): Use gdbarch_register_type, instead of REGISTER_VIRTUAL_TYPE. Allow for a pseudo / cooked REGNUM. (mips_print_registers_info): Assert REGNO is pseodo / cooked. Print the pseudo / cooked registers. (mips_print_registers_info): Assert REGNO is pseodo / cooked. Print the pseudo / cooked registers. (mips_xfer_register): Use regcache_cooked_read_part. Assert that REG_NUM is pseudo / cooked. (mips_o32_xfer_return_value): Xfer the pseudo / cooked register. (mips_n32n64_xfer_return_value): Ditto. (mips_stab_reg_to_regnum): Map onto NUM_REGS..2*NUM_REGS. (mips_dwarf_dwarf2_ecoff_reg_to_regnum): Ditto. (mips_register_sim_regno): New function. (mips_gdbarch_init): Set deprecated_register_byte, register_group_p, pseudo_register_write, pseudo_register_read, register_sim_regno, and num_pseudo_regs. Set register_type, instead of register_virtual_type. * Makefile.in (mips-tdep.o): Update dependencies. * config/mips/tm-mips64.h (MIPS_REGISTER_TYPE): Rename REGISTER_VIRTUAL_TYPE. * config/mips/tm-mips.h (MIPS_REGISTER_TYPE): Ditto. * config/mips/tm-irix5.h (MIPS_REGISTER_TYPE): Ditto. * config/mips/tm-mips.h (MIPS_REGISTER_BYTE): Rename REGISTER_BYTE. * config/mips/tm-irix6.h (MIPS_REGISTER_BYTE): Ditto. * config/mips/tm-irix5.h (MIPS_REGISTER_BYTE): Ditto.
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#undef MIPS_REGISTER_TYPE
#define MIPS_REGISTER_TYPE(N) \
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(((N) >= FP0_REGNUM && (N) < FP0_REGNUM+32) ? builtin_type_double \
: ((N) == 32 /*SR*/) ? builtin_type_uint32 \
: ((N) >= 70 && (N) <= 89) ? builtin_type_uint32 \
: builtin_type_int)
#endif /* N32 */
/* The signal handler trampoline is called _sigtramp. */
#undef IN_SIGTRAMP
#define IN_SIGTRAMP(pc, name) ((name) && STREQ ("_sigtramp", name))
/* Irix 5 saves a full 64 bits for each register. We skip 2 * 4 to
get to the saved PC (the register mask and status register are both
32 bits) and then another 4 to get to the lower 32 bits. We skip
the same 4 bytes, plus the 8 bytes for the PC to get to the
registers, and add another 4 to get to the lower 32 bits. We skip
8 bytes per register. */
#undef SIGFRAME_PC_OFF
#define SIGFRAME_PC_OFF (SIGFRAME_BASE + 2 * 4 + 4)
#undef SIGFRAME_REGSAVE_OFF
#define SIGFRAME_REGSAVE_OFF (SIGFRAME_BASE + 2 * 4 + 8 + 4)
#undef SIGFRAME_FPREGSAVE_OFF
#define SIGFRAME_FPREGSAVE_OFF (SIGFRAME_BASE + 2 * 4 + 8 + 32 * 8 + 4)
#define SIGFRAME_REG_SIZE 8
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