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- This comparison shows the changes necessary to convert path
/or1k/trunk/gdb-5.0/gdb/config/vax
- from Rev 107 to Rev 1765
- ↔ Reverse comparison
Rev 107 → Rev 1765
/xm-vaxbsd.h
0,0 → 1,10
/* Definitions to make GDB run on a vax under BSD, 4.3 or 4.4. */ |
|
/* We have to include these files now, so that GDB will not make |
competing definitions in defs.h. */ |
#include <machine/endian.h> |
/* This should exist on either 4.3 or 4.4. 4.3 doesn't have limits.h |
or machine/limits.h. */ |
#include <sys/param.h> |
|
#include "vax/xm-vax.h" |
/tm-vax.h
0,0 → 1,313
/* Definitions to make GDB run on a vax under 4.2bsd. |
Copyright 1986, 1987, 1989, 1991, 1993 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. */ |
|
|
#define TARGET_BYTE_ORDER LITTLE_ENDIAN |
|
/* Offset from address of function to start of its code. |
Zero on most machines. */ |
|
#define FUNCTION_START_OFFSET 2 |
|
/* Advance PC across any function entry prologue instructions |
to reach some "real" code. */ |
|
extern CORE_ADDR vax_skip_prologue PARAMS ((CORE_ADDR)); |
#define SKIP_PROLOGUE(pc) (vax_skip_prologue (pc)) |
|
/* Immediately after a function call, return the saved pc. |
Can't always go through the frames for this because on some machines |
the new frame is not set up until the new function executes |
some instructions. */ |
|
#define SAVED_PC_AFTER_CALL(frame) FRAME_SAVED_PC(frame) |
|
#define TARGET_UPAGES 14 |
#define TARGET_NBPG 512 |
#define STACK_END_ADDR (0x80000000 - (TARGET_UPAGES * TARGET_NBPG)) |
|
/* On the VAX, sigtramp is in the u area. Can't check the exact |
addresses because for cross-debugging we don't have VAX include |
files around. This should be close enough. */ |
#define SIGTRAMP_START(pc) STACK_END_ADDR |
#define SIGTRAMP_END(pc) 0x80000000 |
|
/* Stack grows downward. */ |
|
#define INNER_THAN(lhs,rhs) ((lhs) < (rhs)) |
|
/* Sequence of bytes for breakpoint instruction. */ |
|
#define BREAKPOINT {3} |
|
/* Amount PC must be decremented by after a breakpoint. |
This is often the number of bytes in BREAKPOINT |
but not always. */ |
|
#define DECR_PC_AFTER_BREAK 0 |
|
/* Return 1 if P points to an invalid floating point value. |
LEN is the length in bytes -- not relevant on the Vax. */ |
|
#define INVALID_FLOAT(p, len) ((*(short *) p & 0xff80) == 0x8000) |
|
/* Say how long (ordinary) registers are. This is a piece of bogosity |
used in push_word and a few other places; REGISTER_RAW_SIZE is the |
real way to know how big a register is. */ |
|
#define REGISTER_SIZE 4 |
|
/* Number of machine registers */ |
|
#define NUM_REGS 17 |
|
/* Initializer for an array of names of registers. |
There should be NUM_REGS strings in this initializer. */ |
|
#define REGISTER_NAMES {"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "ap", "fp", "sp", "pc", "ps"} |
|
/* 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 AP_REGNUM 12 |
#define FP_REGNUM 13 /* Contains address of executing stack frame */ |
#define SP_REGNUM 14 /* Contains address of top of stack */ |
#define PC_REGNUM 15 /* Contains program counter */ |
#define PS_REGNUM 16 /* Contains processor status */ |
|
/* Total amount of space needed to store our copies of the machine's |
register state, the array `registers'. */ |
#define REGISTER_BYTES (17*4) |
|
/* Index within `registers' of the first byte of the space for |
register N. */ |
|
#define REGISTER_BYTE(N) ((N) * 4) |
|
/* Number of bytes of storage in the actual machine representation |
for register N. On the vax, all regs are 4 bytes. */ |
|
#define REGISTER_RAW_SIZE(N) 4 |
|
/* Number of bytes of storage in the program's representation |
for register N. On the vax, all regs are 4 bytes. */ |
|
#define REGISTER_VIRTUAL_SIZE(N) 4 |
|
/* Largest value REGISTER_RAW_SIZE can have. */ |
|
#define MAX_REGISTER_RAW_SIZE 4 |
|
/* Largest value REGISTER_VIRTUAL_SIZE can have. */ |
|
#define MAX_REGISTER_VIRTUAL_SIZE 4 |
|
/* Return the GDB type object for the "standard" data type |
of data in register N. */ |
|
#define REGISTER_VIRTUAL_TYPE(N) builtin_type_int |
|
/* Store the address of the place in which to copy the structure the |
subroutine will return. This is called from call_function. */ |
|
#define STORE_STRUCT_RETURN(ADDR, SP) \ |
{ write_register (1, (ADDR)); } |
|
/* Extract from an array REGBUF containing the (raw) register state |
a function return value of type TYPE, and copy that, in virtual format, |
into VALBUF. */ |
|
#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ |
memcpy (VALBUF, REGBUF, TYPE_LENGTH (TYPE)) |
|
/* Write into appropriate registers a function return value |
of type TYPE, given in virtual format. */ |
|
#define STORE_RETURN_VALUE(TYPE,VALBUF) \ |
write_register_bytes (0, VALBUF, TYPE_LENGTH (TYPE)) |
|
/* Extract from an array REGBUF containing the (raw) register state |
the address in which a function should return its structure value, |
as a CORE_ADDR (or an expression that can be used as one). */ |
|
#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) (*(int *)(REGBUF)) |
|
|
/* Describe the pointer in each stack frame to the previous stack frame |
(its caller). */ |
|
/* FRAME_CHAIN takes a frame's nominal address |
and produces the frame's chain-pointer. */ |
|
/* In the case of the Vax, the frame's nominal address is the FP value, |
and 12 bytes later comes the saved previous FP value as a 4-byte word. */ |
|
#define FRAME_CHAIN(thisframe) \ |
(!inside_entry_file ((thisframe)->pc) ? \ |
read_memory_integer ((thisframe)->frame + 12, 4) :\ |
0) |
|
/* Define other aspects of the stack frame. */ |
|
/* A macro that tells us whether the function invocation represented |
by FI does not have a frame on the stack associated with it. If it |
does not, FRAMELESS is set to 1, else 0. */ |
/* On the vax, all functions have frames. */ |
#define FRAMELESS_FUNCTION_INVOCATION(FI) (0) |
|
/* Saved Pc. Get it from sigcontext if within sigtramp. */ |
|
/* Offset to saved PC in sigcontext, from <sys/signal.h>. */ |
#define SIGCONTEXT_PC_OFFSET 12 |
|
#define FRAME_SAVED_PC(FRAME) \ |
(((FRAME)->signal_handler_caller \ |
? sigtramp_saved_pc (FRAME) \ |
: read_memory_integer ((FRAME)->frame + 16, 4)) \ |
) |
|
/* Cannot find the AP register value directly from the FP value. Must |
find it saved in the frame called by this one, or in the AP |
register for the innermost frame. However, there is no way to tell |
the difference between the innermost frame and a frame for which we |
just don't know the frame that it called (e.g. "info frame |
0x7ffec789"). For the sake of argument suppose that the stack is |
somewhat trashed (which is one reason that "info frame" exists). |
So return 0 (indicating we don't know the address of |
the arglist) if we don't know what frame this frame calls. */ |
#define FRAME_ARGS_ADDRESS_CORRECT(fi) \ |
(((fi)->next \ |
? read_memory_integer ((fi)->next->frame + 8, 4) \ |
: /* read_register (AP_REGNUM) */ 0)) |
|
/* In most of GDB, getting the args address is too important to |
just say "I don't know". This is sometimes wrong for functions |
that aren't on top of the stack, but c'est la vie. */ |
#define FRAME_ARGS_ADDRESS(fi) \ |
(((fi)->next \ |
? read_memory_integer ((fi)->next->frame + 8, 4) \ |
: read_register (AP_REGNUM) /* 0 */)) |
|
#define FRAME_LOCALS_ADDRESS(fi) ((fi)->frame) |
|
/* Return number of args passed to a frame. |
Can return -1, meaning no way to tell. */ |
|
extern int vax_frame_num_args PARAMS ((struct frame_info * fi)); |
#define FRAME_NUM_ARGS(fi) (vax_frame_num_args ((fi))) |
|
/* Return number of bytes at start of arglist that are not really args. */ |
|
#define FRAME_ARGS_SKIP 4 |
|
/* Put here the code to store, into a struct frame_saved_regs, |
the addresses of the saved registers of frame described by FRAME_INFO. |
This includes special registers such as pc and fp saved in special |
ways in the stack frame. sp is even more special: |
the address we return for it IS the sp for the next frame. */ |
|
#define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \ |
{ register int regnum; \ |
register int regmask = read_memory_integer ((frame_info)->frame+4, 4) >> 16; \ |
register CORE_ADDR next_addr; \ |
memset (&frame_saved_regs, '\0', sizeof frame_saved_regs); \ |
next_addr = (frame_info)->frame + 16; \ |
/* Regmask's low bit is for register 0, \ |
which is the first one that would be pushed. */ \ |
for (regnum = 0; regnum < 12; regnum++, regmask >>= 1) \ |
(frame_saved_regs).regs[regnum] = (regmask & 1) ? (next_addr += 4) : 0; \ |
(frame_saved_regs).regs[SP_REGNUM] = next_addr + 4; \ |
if (read_memory_integer ((frame_info)->frame + 4, 4) & 0x20000000) \ |
(frame_saved_regs).regs[SP_REGNUM] += 4 + 4 * read_memory_integer (next_addr + 4, 4); \ |
(frame_saved_regs).regs[PC_REGNUM] = (frame_info)->frame + 16; \ |
(frame_saved_regs).regs[FP_REGNUM] = (frame_info)->frame + 12; \ |
(frame_saved_regs).regs[AP_REGNUM] = (frame_info)->frame + 8; \ |
(frame_saved_regs).regs[PS_REGNUM] = (frame_info)->frame + 4; \ |
} |
|
/* Things needed for making the inferior call functions. */ |
|
/* Push an empty stack frame, to record the current PC, etc. */ |
|
#define PUSH_DUMMY_FRAME \ |
{ register CORE_ADDR sp = read_register (SP_REGNUM);\ |
register int regnum; \ |
sp = push_word (sp, 0); /* arglist */ \ |
for (regnum = 11; regnum >= 0; regnum--) \ |
sp = push_word (sp, read_register (regnum)); \ |
sp = push_word (sp, read_register (PC_REGNUM)); \ |
sp = push_word (sp, read_register (FP_REGNUM)); \ |
sp = push_word (sp, read_register (AP_REGNUM)); \ |
sp = push_word (sp, (read_register (PS_REGNUM) & 0xffef) \ |
+ 0x2fff0000); \ |
sp = push_word (sp, 0); \ |
write_register (SP_REGNUM, sp); \ |
write_register (FP_REGNUM, sp); \ |
write_register (AP_REGNUM, sp + 17 * sizeof (int)); } |
|
/* Discard from the stack the innermost frame, restoring all registers. */ |
|
#define POP_FRAME \ |
{ register CORE_ADDR fp = read_register (FP_REGNUM); \ |
register int regnum; \ |
register int regmask = read_memory_integer (fp + 4, 4); \ |
write_register (PS_REGNUM, \ |
(regmask & 0xffff) \ |
| (read_register (PS_REGNUM) & 0xffff0000)); \ |
write_register (PC_REGNUM, read_memory_integer (fp + 16, 4)); \ |
write_register (FP_REGNUM, read_memory_integer (fp + 12, 4)); \ |
write_register (AP_REGNUM, read_memory_integer (fp + 8, 4)); \ |
fp += 16; \ |
for (regnum = 0; regnum < 12; regnum++) \ |
if (regmask & (0x10000 << regnum)) \ |
write_register (regnum, read_memory_integer (fp += 4, 4)); \ |
fp = fp + 4 + ((regmask >> 30) & 3); \ |
if (regmask & 0x20000000) \ |
{ regnum = read_memory_integer (fp, 4); \ |
fp += (regnum + 1) * 4; } \ |
write_register (SP_REGNUM, fp); \ |
flush_cached_frames (); \ |
} |
|
/* This sequence of words is the instructions |
calls #69, @#32323232 |
bpt |
Note this is 8 bytes. */ |
|
#define CALL_DUMMY {0x329f69fb, 0x03323232} |
|
#define CALL_DUMMY_START_OFFSET 0 /* Start execution at beginning of dummy */ |
|
#define CALL_DUMMY_BREAKPOINT_OFFSET 7 |
|
/* Insert the specified number of args and function address |
into a call sequence of the above form stored at DUMMYNAME. */ |
|
#define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \ |
{ *((char *) dummyname + 1) = nargs; \ |
*(int *)((char *) dummyname + 3) = fun; } |
|
/* If vax pcc says CHAR or SHORT, it provides the correct address. */ |
|
#define BELIEVE_PCC_PROMOTION 1 |
/vaxult.mh
0,0 → 1,7
# Host: DEC VAX running Ultrix |
|
XM_FILE= xm-vaxult.h |
XDEPFILES= |
|
NAT_FILE= nm-vax.h |
NATDEPFILES= infptrace.o inftarg.o fork-child.o corelow.o core-aout.o |
/xm-vax.h
0,0 → 1,82
/* Common definitions to make GDB run on Vaxen under 4.2bsd and Ultrix. |
Copyright (C) 1986, 1987, 1989, 1992 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. */ |
|
#define HOST_BYTE_ORDER LITTLE_ENDIAN |
|
/* This is the amount to subtract from u.u_ar0 |
to get the offset in the core file of the register values. */ |
|
#define KERNEL_U_ADDR (0x80000000 - (UPAGES * NBPG)) |
|
/* Kernel is a bit tenacious about sharing text segments, disallowing bpts. */ |
#define ONE_PROCESS_WRITETEXT |
|
/* Interface definitions for kernel debugger KDB. */ |
|
/* Map machine fault codes into signal numbers. |
First subtract 0, divide by 4, then index in a table. |
Faults for which the entry in this table is 0 |
are not handled by KDB; the program's own trap handler |
gets to handle then. */ |
|
#define FAULT_CODE_ORIGIN 0 |
#define FAULT_CODE_UNITS 4 |
#define FAULT_TABLE \ |
{ 0, SIGKILL, SIGSEGV, 0, 0, 0, 0, 0, \ |
0, 0, SIGTRAP, SIGTRAP, 0, 0, 0, 0, \ |
0, 0, 0, 0, 0, 0, 0, 0} |
|
/* Start running with a stack stretching from BEG to END. |
BEG and END should be symbols meaningful to the assembler. |
This is used only for kdb. */ |
|
#define INIT_STACK(beg, end) \ |
{ asm (".globl end"); \ |
asm ("movl $ end, sp"); \ |
asm ("clrl fp"); } |
|
/* Push the frame pointer register on the stack. */ |
#define PUSH_FRAME_PTR \ |
asm ("pushl fp"); |
|
/* Copy the top-of-stack to the frame pointer register. */ |
#define POP_FRAME_PTR \ |
asm ("movl (sp), fp"); |
|
/* After KDB is entered by a fault, push all registers |
that GDB thinks about (all NUM_REGS of them), |
so that they appear in order of ascending GDB register number. |
The fault code will be on the stack beyond the last register. */ |
|
#define PUSH_REGISTERS \ |
{ asm ("pushl 8(sp)"); \ |
asm ("pushl 8(sp)"); \ |
asm ("pushal 0x14(sp)"); \ |
asm ("pushr $037777"); } |
|
/* Assuming the registers (including processor status) have been |
pushed on the stack in order of ascending GDB register number, |
restore them and return to the address in the saved PC register. */ |
|
#define POP_REGISTERS \ |
{ asm ("popr $037777"); \ |
asm ("subl2 $8,(sp)"); \ |
asm ("movl (sp),sp"); \ |
asm ("rei"); } |
/vaxult2.mh
0,0 → 1,7
# Host: DEC VAX running Ultrix |
|
XM_FILE= xm-vaxult2.h |
XDEPFILES= |
|
NAT_FILE= nm-vax.h |
NATDEPFILES= infptrace.o inftarg.o fork-child.o corelow.o core-aout.o |
/vaxbsd.mh
0,0 → 1,13
# Host: DEC VAX running BSD |
|
# The following types of /bin/cc failures have been observed: |
# 1. Something in readline.c which I have never seen |
# 2. ``"values.c", line 816: compiler error: schain botch'' |
#msg /bin/cc has been known to fail on VAXen running BSD4.3 |
#msg If this occurs, use gcc |
#msg (but see comments in Makefile.dist about compiling with gcc). |
|
XM_FILE= xm-vaxbsd.h |
XDEPFILES= infptrace.o inftarg.o fork-child.o corelow.o core-aout.o |
|
NAT_FILE= nm-vax.h |
/xm-vaxult.h
0,0 → 1,12
/* Definitions to make GDB run on a vax under Ultrix. */ |
|
#include "vax/xm-vax.h" |
extern char *strdup (); |
|
/* This is required for Ultrix 3.1b, not for later versions. Ultrix |
3.1b can't just use xm-vaxult2.h because Ultrix 3.1b does define |
FD_SET. Sure, we could have separate configurations for vaxult2, |
vaxult3, and vaxult, but why bother? Defining the ptrace constants |
in infptrace.c isn't going to do any harm; it's not like they are |
going to change. */ |
#define NO_PTRACE_H |
/nm-vax.h
0,0 → 1,27
/* Common definitions for GDB native support on Vaxen under 4.2bsd and Ultrix. |
Copyright (C) 1986, 1987, 1989, 1992 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. */ |
|
#define REGISTER_U_ADDR(addr, blockend, regno) \ |
{ addr = blockend - 0110 + regno * 4; \ |
if (regno == PC_REGNUM) addr = blockend - 8; \ |
if (regno == PS_REGNUM) addr = blockend - 4; \ |
if (regno == FP_REGNUM) addr = blockend - 0120; \ |
if (regno == AP_REGNUM) addr = blockend - 0124; \ |
if (regno == SP_REGNUM) addr = blockend - 20; } |
/vax.mt
0,0 → 1,3
# Target: DEC VAX running BSD or Ultrix |
TDEPFILES= vax-tdep.o |
TM_FILE= tm-vax.h |
/xm-vaxult2.h
0,0 → 1,11
/* Definitions to make GDB run on a vax under Ultrix. */ |
|
#include "vax/xm-vax.h" |
extern char *strdup (); |
|
#define NO_PTRACE_H |
|
/* Old versions of ultrix have fd_set but not the FD_* macros. */ |
|
#define FD_SET(bit,fdsetp) ((fdsetp)->fds_bits[(n) / 32] |= (1 << ((n) % 32))) |
#define FD_ZERO(fdsetp) memset (fdsetp, 0, sizeof (*fdsetp)) |