* config/arc/.Sanitize: New file for config/arc directory.
* config/arc/arc.mt: new target makefile for arc processor. * config/arc/tm-arc.h: new target header for arc processor. * config/arc/go32.mh: new go32 host makefile for arc processor. * config/arc/xm-go32.h: new go32 host header for arc processor.
This commit is contained in:
parent
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# Each directory to survive it's way into a release will need a file
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# like this one called "./.Sanitize". All keyword lines must exist,
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# and must exist in the order specified by this file. Each directory
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# in the tree will be processed, top down, in the following order.
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# Hash started lines like this one are comments and will be deleted
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# before anything else is done. Blank lines will also be squashed
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# out.
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# The lines between the "Do-first:" line and the "Things-to-keep:"
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# line are executed as a /bin/sh shell script before anything else is
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# done in this
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Do-first:
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# All files listed between the "Things-to-keep:" line and the
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# "Files-to-sed:" line will be kept. All other files will be removed.
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# Directories listed in this section will have their own Sanitize
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# called. Directories not listed will be removed in their entirety
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# with rm -rf.
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Things-to-keep:
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Things-to-lose:
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arc.mt
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go32.mh
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tm-arc.h
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xm-go32.h
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Do-last:
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# End of file.
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# Target: arc processor
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TDEPFILES= arc-tdep.o remote-arc.o
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TM_FILE= tm-arc.h
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REMOTE_O=dcache.o remote-utils.o
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@ -0,0 +1,9 @@
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MH_CFLAGS=-D__GO32__ -D__MSDOS__
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XDEPFILES= go32-xdep.o
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XM_FILE= xm-go32.h
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TERMCAP=
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HOST_IPC=-DDOS_IPC
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SER_HARDWIRE= ser-go32-para.o
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CC=i386-go32-gcc -O2 -fno-omit-frame-pointer
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@ -0,0 +1,309 @@
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/* Parameters for target machine ARC, for GDB, the GNU debugger.
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Copyright (C) 1995 Free Software Foundation, Inc.
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Contributed by Cygnus Support Corporation.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* Byte order is configurable, but this machine runs little-endian. */
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#define TARGET_BYTE_ORDER LITTLE_ENDIAN
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/* We have IEEE floating point, if we have any float at all. */
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#define IEEE_FLOAT
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/* Offset from address of function to start of its code.
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Zero on most machines. */
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#define FUNCTION_START_OFFSET 0
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/* Advance pc across any function entry prologue instructions
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to reach some "real" code. */
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#define SKIP_PROLOGUE(pc) { pc = skip_prologue (pc); }
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extern CORE_ADDR skip_prologue ();
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/* Sequence of bytes for breakpoint instruction. */
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#define BREAKPOINT {0x01, 0x80, 0xbe, 0x1f}
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#define DECR_PC_AFTER_BREAK 4
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/* Immediately after a function call, return the saved pc.
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Can't always go through the frames for this because on some machines
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the new frame is not set up until the new function
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executes some instructions. */
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#define SAVED_PC_AFTER_CALL(frame) (read_register (BLINK_REGNUM))
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/* Stack grows upward */
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#define INNER_THAN <
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/* Nonzero if instruction at pc is a return instruction. */
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#define ABOUT_TO_RETURN(pc) (read_memory_integer(pc,4) == 0x380f8000)
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/* Say how long (ordinary) registers are. This is a piece of bogosity
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used in push_word and a few other places; REGISTER_RAW_SIZE is the
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real way to know how big a register is. */
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#define REGISTER_SIZE 4
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/* Number of machine registers */
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#define NUM_REGS 91
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/* Initializer for an array of names of registers.
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There should be NUM_REGS strings in this initializer. */
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#define REGISTER_NAMES \
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{ \
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/* 0 */ "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \
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/* 8 */ "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", \
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/* 16 */ "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23", \
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/* 24 */ "r24", "r25", "r26", "r27", "r28", "ilink1", "ilink2", "blink", \
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/* 32 */ "r32", "r33", "r34", "r35", "r36", "r37", "r38", "r39", \
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/* 40 */ "r40", "r41", "r42", "r43", "r44", "r45", "r46", "r47", \
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/* 48 */ "r48", "r49", "r50", "r51", "r52", "r53", "r54", "r55", \
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/* 56 */ "r56", "mlo", "mmid", "mhi", "lpcnt", \
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/* 61 */ "sta", "sema", "lpst", "lpend", "iden", "debug", \
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/* 67 */ "aux10", "aux11", "aux12", "aux13", "aux14", \
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/* 72 */ "aux15", "aux16", "aux17", "aux18", "aux19", \
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/* 77 */ "aux1a", "aux1b", "aux1c", "aux1d", "aux1e", \
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/* 82 */ "aux1f", "aux20", "aux21", "aux22", \
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/* 86 */ "aux30", "aux31", "aux32", "aux33", "aux40", \
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/* 91 */ "pc" \
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}
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/* Register numbers of various important registers (used to index
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into arrays of register names and register values). */
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#define R0_REGNUM 0 /* First local register */
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#define R59_REGNUM 59 /* Last local register */
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#define FP_REGNUM 27 /* Contains address of executing stack frame */
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#define SP_REGNUM 28 /* stack pointer */
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#define BLINK_REGNUM 31 /* link register */
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#define STA_REGNUM 61 /* processor status word */
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#define PC_REGNUM 91 /* instruction pointer */
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#define AUX_BEG_REGNUM 61 /* aux reg begins */
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#define AUX_END_REGNUM 90 /* aux reg ends, pc not real aux reg */
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#define AUX_REG_MAP \
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{ \
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{ 0, 1, 2, 3, 4, 5, \
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16, -1, -1, -1, -1, \
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-1, -1, -1, -1, -1, \
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-1, -1, -1, -1, 30, \
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-1, 32, 33, -1, \
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48, 49, 50, 51, 64, \
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0 \
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}, \
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{ 0, 1, 2, 3, 4, 5, \
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16, -1, -1, -1, -1, \
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-1, -1, -1, -1, -1, \
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-1, -1, -1, -1, 30, \
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31, 32, 33, -1, \
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-1, -1, -1, -1, -1, \
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0 \
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}, \
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{ 0, 1, 2, 3, 4, 5, \
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16, 17, 18, 19, 20, \
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21, 22, 23, 24, 25, \
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26, 27, 28, 29, 30, \
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31, 32, 33, 34, \
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-1, -1, -1, -1, -1, \
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0 \
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} \
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}
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#define PFP_REGNUM R0_REGNUM /* Previous frame pointer */
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/* Total amount of space needed to store our copies of the machine's
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register state, the array `registers'. */
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#define REGISTER_BYTES (91*4)
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/* Index within `registers' of the first byte of the space for register N. */
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#define REGISTER_BYTE(N) (4*(N))
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/* Number of bytes of storage in the actual machine representation
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for register N. */
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#define REGISTER_RAW_SIZE(N) 4
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/* Number of bytes of storage in the program's representation for register N. */
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#define REGISTER_VIRTUAL_SIZE(N) 4
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/* Largest value REGISTER_RAW_SIZE can have. */
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#define MAX_REGISTER_RAW_SIZE 4
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/* Largest value REGISTER_VIRTUAL_SIZE can have. */
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#define MAX_REGISTER_VIRTUAL_SIZE 4
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/* Return the GDB type object for the "standard" data type
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of data in register N. */
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#define REGISTER_VIRTUAL_TYPE(N) (builtin_type_int)
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/* Macros for understanding function return values... */
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/* Does the specified function use the "struct returning" convention
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or the "value returning" convention? The "value returning" convention
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almost invariably returns the entire value in registers. The
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"struct returning" convention often returns the entire value in
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memory, and passes a pointer (out of or into the function) saying
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where the value (is or should go).
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Since this sometimes depends on whether it was compiled with GCC,
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this is also an argument. This is used in call_function to build a
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stack, and in value_being_returned to print return values.
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On arc, a structure is always retunred with pointer in r??. */
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#define USE_STRUCT_CONVENTION(gcc_p, type) 1
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/* Extract from an array REGBUF containing the (raw) register state
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a function return value of type TYPE, and copy that, in virtual format,
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into VALBUF. This is only called if USE_STRUCT_CONVENTION for this
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type is 0.
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*/
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#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
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memcpy(VALBUF, REGBUF+REGISTER_BYTE(R0_REGNUM), TYPE_LENGTH (TYPE))
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/* If USE_STRUCT_CONVENTION produces a 1,
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extract from an array REGBUF containing the (raw) register state
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the address in which a function should return its structure value,
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as a CORE_ADDR (or an expression that can be used as one). */
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#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) \
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(error("Don't know where large structure is returned on arc"), 0)
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/* Write into appropriate registers a function return value
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of type TYPE, given in virtual format, for "value returning" functions.
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For 'return' command: not (yet) implemented for arc. */
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#define STORE_RETURN_VALUE(TYPE,VALBUF) \
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error ("Returning values from functions is not implemented in arc gdb")
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/* Store the address of the place in which to copy the structure the
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subroutine will return. This is called from call_function. */
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#define STORE_STRUCT_RETURN(ADDR, SP) \
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error ("Returning values from functions is not implemented in arc gdb")
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/* Describe the pointer in each stack frame to the previous stack frame
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(its caller). */
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/* FRAME_CHAIN takes a frame's nominal address
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and produces the frame's chain-pointer.
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However, if FRAME_CHAIN_VALID returns zero,
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it means the given frame is the outermost one and has no caller. */
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/* We cache information about saved registers in the frame structure,
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to save us from having to re-scan function prologues every time
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a register in a non-current frame is accessed. */
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#define EXTRA_FRAME_INFO \
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struct frame_saved_regs *fsr; \
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CORE_ADDR arg_pointer;
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/* Zero the frame_saved_regs pointer when the frame is initialized,
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so that FRAME_FIND_SAVED_REGS () will know to allocate and
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initialize a frame_saved_regs struct the first time it is called.
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Set the arg_pointer to -1, which is not valid; 0 and other values
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indicate real, cached values. */
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#define INIT_EXTRA_FRAME_INFO(fromleaf, fi) \
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((fi)->fsr = 0, (fi)->arg_pointer = -1)
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/* On the arc, we get the chain pointer by reading the PFP saved
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on the stack. */
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/* the PFP and RPC is in fp and fp+4. or it is in fp+4 and fp+8 ??? */
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#define FRAME_CHAIN(thisframe) \
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(read_memory_integer (FRAME_FP(thisframe), 4))
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/* FRAME_CHAIN_VALID returns zero if the given frame is the outermost one
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and has no caller.
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#define FRAME_CHAIN_VALID(thisframe) \
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1
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/* A macro that tells us whether the function invocation represented
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by FI does not have a frame on the stack associated with it. If it
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does not, FRAMELESS is set to 1, else 0. */
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#define FRAMELESS_FUNCTION_INVOCATION(FI, FRAMELESS) \
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do { \
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if ((FI)->signal_handler_caller) \
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(FRAMELESS) = 0; \
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else \
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(FRAMELESS) = frameless_look_for_prologue(FI); \
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} while (0)
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#define FRAME_SAVED_PC(frame) \
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(read_memory_integer(FRAME_CHAIN(frame)+8,4))
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/* On the ARC, FRAME_ARGS_ADDRESS should return the value of
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g14 as passed into the frame, if known. We need a function for this.
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We cache this value in the frame info if we've already looked it up. */
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#define FRAME_ARGS_ADDRESS(fi) \
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(((fi)->arg_pointer != -1)? (fi)->arg_pointer: (fi)->frame + 4)
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/* This is the same except it should return 0 when
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it does not really know where the args are, rather than guessing.
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This value is not cached since it is only used infrequently. */
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#define FRAME_LOCALS_ADDRESS(fi) (fi)->frame + 4
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/* Set NUMARGS to the number of args passed to a frame.
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Can return -1, meaning no way to tell. */
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#define FRAME_NUM_ARGS(numargs, fi) (numargs = -1)
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/* Return number of bytes at start of arglist that are not really args. */
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#define FRAME_ARGS_SKIP 0
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/* Produce the positions of the saved registers in a stack frame. */
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#define FRAME_FIND_SAVED_REGS(frame_info_addr, sr) \
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frame_find_saved_regs (frame_info_addr, &sr)
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extern void frame_find_saved_regs(); /* See arc-tdep.c */
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/* Things needed for making calls to functions in the inferior process */
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#define PUSH_DUMMY_FRAME \
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push_dummy_frame ()
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/* Discard from the stack the innermost frame, restoring all registers. */
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#define POP_FRAME \
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pop_frame ()
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/* This sequence of words is the instructions bl xxxx, flag 1 */
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#define CALL_DUMMY { 0x28000000, 0x1fbe8001 }
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#define CALL_DUMMY_LENGTH 8
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/* Start execution at beginning of dummy */
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#define CALL_DUMMY_START_OFFSET 0
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/* Insert the specified number of args and function address
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into a call sequence of the above form stored at 'dummyname'.*/
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#define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \
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{ \
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int from, to, delta, loc; \
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loc = (int)(read_register (SP_REGNUM) - CALL_DUMMY_LENGTH); \
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from = loc + 4; \
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to = (int)(fun); \
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delta = (to - from) >> 2; \
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*((char *)(dummyname) + 1) = (delta & 0x1); \
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*((char *)(dummyname) + 2) = ((delta >> 1) & 0xff); \
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*((char *)(dummyname) + 3) = ((delta >> 9) & 0xff); \
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*((char *)(dummyname) + 4) = ((delta >> 17) & 0x7); \
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}
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@ -0,0 +1,39 @@
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/* Definitions for hosting on GO32, for GDB.
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Copyright 1991, 1992 Free Software Foundation, Inc.
|
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||||
This file is part of GDB.
|
||||
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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.
|
||||
|
||||
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., 675 Mass Ave, Cambridge, MA 02139, USA. */
|
||||
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||||
#define SYS_SIGLIST_MISSING 1
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#define HOST_BYTE_ORDER LITTLE_ENDIAN
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#include "fopen-bin.h"
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|
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/* Define this lseek(n) != nth byte of file */
|
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#define LSEEK_NOT_LINEAR
|
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||||
#define CANT_FORK
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||||
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#undef QUIT
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#define QUIT { pollquit(); }
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#define GDBINIT_FILENAME "gdb.ini"
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#if !defined(SIGURG) & !defined(SIGALRM) & !defined(SIGBUS) & !defined(SIGSTOP)
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#define SIGURG (NSIG)
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#define SIGALRM (NSIG + 1)
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#define SIGBUS (NSIG + 2)
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#define SIGSTOP (NSIG + 3)
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||||
#endif /* missing some signals */
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Loading…
Reference in New Issue