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* config/mips/tm-irix6.h: New file. 

* config/mips/irix6.mh: New file.

	* config/mips/irix6.mt: New file.

	* config/mips/xm-irix6.h: New file.

	* config/mips/nm-irix6.h: New file.

	* mips-tdep.c (mips_gdbarch_init) <MIPS_ABI_N32>: Set up the
	disassembler info in tm_print_insn_info as appropriate for the N32
	ABI.  Force N32 ABI to be the default if the CPU is R8000 or
	R10000.

	* configure.tgt (mips*-sgi-irix6*): Map to irix6.

	* configure.host (mips*-sgi-irix6*): Ditto.
dberlin-typesystem-branch
Eli Zaretskii 26 years ago
parent
3d499020f6
commit
1d06468c1f
9 changed files with 239 additions and 3 deletions
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  1. 21
      gdb/ChangeLog
  2. 8
      gdb/config/mips/irix6.mh
  3. 3
      gdb/config/mips/irix6.mt
  4. 22
      gdb/config/mips/nm-irix6.h
  5. 139
      gdb/config/mips/tm-irix6.h
  6. 22
      gdb/config/mips/xm-irix6.h
  7. 3
      gdb/configure.host
  8. 2
      gdb/configure.tgt
  9. 22
      gdb/mips-tdep.c

21
gdb/ChangeLog
View File

@ -1,3 +1,24 @@
2001-06-07 Eli Zaretskii <elis@is.elta.co.il>
* config/mips/tm-irix6.h: New file.
* config/mips/irix6.mh: New file.
* config/mips/irix6.mt: New file.
* config/mips/xm-irix6.h: New file.
* config/mips/nm-irix6.h: New file.
* mips-tdep.c (mips_gdbarch_init) <MIPS_ABI_N32>: Set up the
disassembler info in tm_print_insn_info as appropriate for the N32
ABI. Force N32 ABI to be the default if the CPU is R8000 or
R10000.
* configure.tgt (mips*-sgi-irix6*): Map to irix6.
* configure.host (mips*-sgi-irix6*): Ditto.
2001-06-07 Andrew Cagney <ac131313@redhat.com>
* gnu-v3-abi.c: Include "gdb_assert.h".

8
gdb/config/mips/irix6.mh
View File

@ -0,0 +1,8 @@
# Host: SGI Iris running irix 6.x
XDEPFILES=
XM_FILE= xm-irix6.h
NAT_FILE= nm-irix6.h
NATDEPFILES= fork-child.o solib.o irix5-nat.o corelow.o procfs.o \
proc-api.o proc-events.o proc-flags.o proc-why.o
XM_CLIBS=-lbsd

3
gdb/config/mips/irix6.mt
View File

@ -0,0 +1,3 @@
# Target: MIPS SGI running Irix 6.x
TDEPFILES= mips-tdep.o
TM_FILE= tm-irix6.h

22
gdb/config/mips/nm-irix6.h
View File

@ -0,0 +1,22 @@
/* Definitions for native support of irix6.
Copyright 2001 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. */
#include "mips/nm-irix5.h"

139
gdb/config/mips/tm-irix6.h
View File

@ -0,0 +1,139 @@
/* Target machine description for SGI Iris under Irix 6.x, for GDB.
Copyright 2001
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. */
#include "mips/tm-bigmips.h"
/* SGI's assembler doesn't grok dollar signs in identifiers.
So we use dots instead. This item must be coordinated with G++. */
#undef CPLUS_MARKER
#define CPLUS_MARKER '.'
/* Redefine register numbers for SGI. */
#undef NUM_REGS
#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
#undef FP_REGNUM
/* Number of machine registers */
#define NUM_REGS 71
/* Initializer for an array of names of registers.
There should be NUM_REGS strings in this initializer. */
#define MIPS_REGISTER_NAMES \
{ "zero", "at", "v0", "v1", "a0", "a1", "a2", "a3", \
"a4", "a5", "a6", "a7", "t0", "t1", "t2", "t3", \
"s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7", \
"t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra", \
"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 */
#define FP_REGNUM 30 /* S8 register is the Frame Pointer */
#undef REGISTER_BYTES
#define REGISTER_BYTES (MIPS_NUMREGS * 8 + (NUM_REGS - MIPS_NUMREGS) * MIPS_REGSIZE)
#undef REGISTER_BYTE
#define REGISTER_BYTE(N) \
(((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)
#undef REGISTER_VIRTUAL_TYPE
#define REGISTER_VIRTUAL_TYPE(N) \
(((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)
#undef MIPS_LAST_ARG_REGNUM
#define MIPS_LAST_ARG_REGNUM 11 /* N32 uses R4 through R11 for args */
/* MIPS_STACK_ARGSIZE -- how many bytes does a pushed function arg take
up on the stack? For the n32 ABI, eight bytes are reserved for each
register. Like MIPS_SAVED_REGSIZE but different. */
#define MIPS_DEFAULT_STACK_ARGSIZE 8
/* N32 does not reserve home space for registers used to carry
parameters. */
#define MIPS_REGS_HAVE_HOME_P 0
/* Force N32 ABI as the default. */
#define MIPS_DEFAULT_ABI MIPS_ABI_N32
/* The signal handler trampoline is called _sigtramp. */
#undef IN_SIGTRAMP
#define IN_SIGTRAMP(pc, name) ((name) && STREQ ("_sigtramp", name))
/* Offsets for register values in _sigtramp frame.
sigcontext is immediately above the _sigtramp frame on Irix. */
#undef SIGFRAME_BASE
#define SIGFRAME_BASE 0
/* 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
/* Select the disassembler */
#undef TM_PRINT_INSN_MACH
#define TM_PRINT_INSN_MACH bfd_mach_mips8000

22
gdb/config/mips/xm-irix6.h
View File

@ -0,0 +1,22 @@
/* Definitions for irix6 hosting support.
Copyright 2001 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. */
#include "mips/xm-irix5.h"

3
gdb/configure.host
View File

@ -115,8 +115,7 @@ mips-little-*) gdb_host=littlemips ;;
mips-sgi-irix3*) gdb_host=irix3 ;;
mips-sgi-irix4*) gdb_host=irix4 ;;
mips-sgi-irix5*) gdb_host=irix5 ;;
# Close enough for now.
mips-sgi-irix6*) gdb_host=irix5 ;;
mips-sgi-irix6*) gdb_host=irix6 ;;
mips-sony-*) gdb_host=news-mips ;;
mips-*-mach3*) gdb_host=mipsm3 ;;
mips-*-sysv4*) gdb_host=mipsv4 ;;

2
gdb/configure.tgt
View File

@ -207,7 +207,7 @@ mips*-*-elf*) gdb_target=embed ;;
mips*-little-*) gdb_target=littlemips ;;
mips*-*-lnews*) gdb_target=embedl ;;
mips*-sgi-irix5*) gdb_target=irix5 ;;
mips*-sgi-irix6*) gdb_target=irix5 ;;
mips*-sgi-irix6*) gdb_target=irix6 ;;
mips*-sgi-*) gdb_target=irix3 ;;
mips*-sony-*) gdb_target=bigmips ;;
mips*-*-mach3*) gdb_target=mipsm3 ;;

22
gdb/mips-tdep.c
View File

@ -3871,6 +3871,12 @@ mips_gdbarch_init (struct gdbarch_info info,
int elf_flags;
enum mips_abi mips_abi;
/* Reset the disassembly info, in case it was set to something
non-default. */
tm_print_insn_info.flavour = bfd_target_unknown_flavour;
tm_print_insn_info.arch = bfd_arch_unknown;
tm_print_insn_info.mach = 0;
/* Extract the elf_flags if available */
if (info.abfd != NULL
&& bfd_get_flavour (info.abfd) == bfd_target_elf_flavour)
@ -3915,6 +3921,10 @@ mips_gdbarch_init (struct gdbarch_info info,
case bfd_mach_mips5000:
mips_abi = MIPS_ABI_EABI64;
break;
case bfd_mach_mips8000:
case bfd_mach_mips10000:
mips_abi = MIPS_ABI_N32;
break;
}
}
#ifdef MIPS_DEFAULT_ABI
@ -3958,6 +3968,7 @@ mips_gdbarch_init (struct gdbarch_info info,
set_gdbarch_double_bit (gdbarch, 64);
set_gdbarch_long_double_bit (gdbarch, 64);
tdep->mips_abi = mips_abi;
switch (mips_abi)
{
case MIPS_ABI_O32:
@ -4029,6 +4040,17 @@ mips_gdbarch_init (struct gdbarch_info info,
set_gdbarch_long_bit (gdbarch, 32);
set_gdbarch_ptr_bit (gdbarch, 32);
set_gdbarch_long_long_bit (gdbarch, 64);
/* Set up the disassembler info, so that we get the right
register names from libopcodes. */
tm_print_insn_info.flavour = bfd_target_elf_flavour;
tm_print_insn_info.arch = bfd_arch_mips;
if (info.bfd_arch_info != NULL
&& info.bfd_arch_info->arch == bfd_arch_mips
&& info.bfd_arch_info->mach)
tm_print_insn_info.mach = info.bfd_arch_info->mach;
else
tm_print_insn_info.mach = bfd_mach_mips8000;
break;
default:
tdep->mips_abi_string = "default";

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