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  • This comparison shows the changes necessary to convert path 
    /or1k/trunk/gdb-5.0/gdb/config/alpha
    from Rev 107 to Rev 1765
    ↔ Reverse comparison
  •

Rev 107 → Rev 1765

/alpha-osf2.mh
0,0 → 1,6
# Host: Little-endian Alpha running OSF/1-2.x using procfs
XDEPFILES=
XM_FILE= xm-alphaosf.h
NAT_FILE= nm-osf2.h
NATDEPFILES= infptrace.o inftarg.o corelow.o alpha-nat.o fork-child.o \
osfsolib.o procfs.o proc-api.o proc-events.o proc-flags.o proc-why.o
/alpha-osf3.mh
0,0 → 1,7
# Host: Little-endian Alpha running OSF/1-3.x and higher using procfs
XDEPFILES=
XM_FILE= xm-alphaosf.h
NAT_FILE= nm-osf3.h
NATDEPFILES= infptrace.o inftarg.o corelow.o alpha-nat.o fork-child.o \
osfsolib.o procfs.o proc-api.o proc-events.o proc-flags.o proc-why.o
 
/alpha-linux.mt
0,0 → 1,3
# Target: Little-endian Alpha
TDEPFILES= alpha-tdep.o
TM_FILE= tm-alphalinux.h
/alpha-linux.mh
0,0 → 1,11
# Host: Little-endian Alpha running Linux
XDEPFILES= ser-tcp.o
XM_FILE= xm-alphalinux.h
NAT_FILE= nm-linux.h
NATDEPFILES= infptrace.o inftarg.o corelow.o alpha-nat.o \
fork-child.o solib.o linux-thread.o lin-thread.o
 
LOADLIBES = -ldl -rdynamic
 
MMALLOC =
MMALLOC_CFLAGS = -DNO_MMALLOC
/nm-osf.h
0,0 → 1,57
/* Native definitions for alpha running OSF/1.
Copyright (C) 1993, 1994 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. */
 
/* Figure out where the longjmp will land. We expect that we have just entered
longjmp and haven't yet setup the stack frame, so the args are still in the
argument regs. A0_REGNUM points at the jmp_buf structure from which we
extract the pc (JB_PC) that we will land at. The pc is copied into ADDR.
This routine returns true on success */
 
#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR)
extern int
get_longjmp_target PARAMS ((CORE_ADDR *));
 
/* ptrace register ``addresses'' are absolute. */
 
#define U_REGS_OFFSET 0
 
/* FIXME: Shouldn't the default definition in inferior.h be int* ? */
 
#define PTRACE_ARG3_TYPE int*
 
/* ptrace transfers longs, the ptrace man page is lying. */
 
#define PTRACE_XFER_TYPE long
 
/* The alpha does not step over a breakpoint, the manpage is lying again. */
 
#define CANNOT_STEP_BREAKPOINT
 
/* OSF/1 has shared libraries. */
 
#define GDB_TARGET_HAS_SHARED_LIBS
 
/* Support for shared libraries. */
 
#include "solib.h"
 
/* Given a pointer to either a gregset_t or fpregset_t, return a
pointer to the first register. */
#define ALPHA_REGSET_BASE(regsetp) ((regsetp)->regs)
/xm-alphaosf.h
0,0 → 1,28
/* Host definitions for GDB running on an alpha under OSF/1
Copyright (C) 1992, 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. */
 
#if !defined (HOST_BYTE_ORDER)
#define HOST_BYTE_ORDER LITTLE_ENDIAN
#endif
 
/* The alpha has no siginterrupt routine. */
#define NO_SIGINTERRUPT
 
#define HAVE_TERMIOS
/nm-osf2.h
0,0 → 1,55
/* Native definitions for alpha running OSF/1-2.x, using procfs.
Copyright (C) 1995 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. */
 
/* Get generic OSF/1 definitions. */
#include "alpha/nm-osf.h"
 
/* OSF/1-2.x has optional /proc support, try to use it instead of ptrace. */
#define USE_PROC_FS
#define HAVE_OPTIONAL_PROC_FS
 
/* OSF/1 doesn't provide the standard fault definitions, so don't use them. */
#define FAULTED_USE_SIGINFO
 
/* Don't trace faults under OSF/1, rely on the posting of the appropriate
signal if fault tracing is disabled.
Tracing T_IFAULT under Alpha OSF/1 causes a `floating point enable'
fault from which we cannot continue (except by disabling the
tracing).
And as OSF/1 doesn't provide the standard fault definitions, the
mapping of faults to appropriate signals in procfs_wait is difficult. */
#define PROCFS_DONT_TRACE_FAULTS
 
/* Work around some peculiarities in the OSF/1 procfs implementation. */
#define PROCFS_SIGPEND_OFFSET
#define PROCFS_NEED_PIOCSSIG_FOR_KILL
#define PROCFS_DONT_PIOCSSIG_CURSIG
 
/* Return sizeof user struct to callers in less machine dependent routines */
 
#define KERNEL_U_SIZE kernel_u_size()
extern int kernel_u_size PARAMS ((void));
 
/* poll() doesn't seem to work properly for /proc in this version of the OS.
If we only specify POLLPRI, things hang. It seems to get better when we set
POLLOUT, but that always returns POLLNVAL!!! Also, POLLOUT causes problems
on other OSes. */
 
#define LOSING_POLL
/nm-osf3.h
0,0 → 1,27
/* Native definitions for alpha running OSF/1-3.x and higher, using procfs.
Copyright (C) 1995 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. */
 
/* OSF/1-3.x fixes some OSF/1-2.x procfs peculiarities and adds
a new one. */
#include "alpha/nm-osf2.h"
 
#undef PROCFS_NEED_PIOCSSIG_FOR_KILL
#undef PROCFS_DONT_PIOCSSIG_CURSIG
#define PROCFS_NEED_CLEAR_CURSIG_FOR_KILL
/tm-alpha.h
0,0 → 1,481
/* Definitions to make GDB run on an Alpha box under OSF1. This is
also used by the Alpha/Netware and Alpha/Linux targets.
Copyright 1993, 1994, 1995, 1996 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. */
 
#ifndef TM_ALPHA_H
#define TM_ALPHA_H
 
#include "bfd.h"
#include "coff/sym.h" /* Needed for PDR below. */
#include "coff/symconst.h"
 
struct frame_info;
struct type;
struct value;
struct symbol;
 
#if !defined (TARGET_BYTE_ORDER)
#define TARGET_BYTE_ORDER LITTLE_ENDIAN
#endif
 
/* Redefine some target bit sizes from the default. */
 
#define TARGET_LONG_BIT 64
#define TARGET_LONG_LONG_BIT 64
#define TARGET_PTR_BIT 64
 
/* Floating point is IEEE compliant */
#define IEEE_FLOAT
 
/* Number of traps that happen between exec'ing the shell
* to run an inferior, and when we finally get to
* the inferior code. This is 2 on most implementations.
*/
#define START_INFERIOR_TRAPS_EXPECTED 3
 
/* Offset from address of function to start of its code.
Zero on most machines. */
 
#define FUNCTION_START_OFFSET 0
 
/* Advance PC across any function entry prologue instructions
to reach some "real" code. */
 
#define SKIP_PROLOGUE(pc) (alpha_skip_prologue(pc, 0))
extern CORE_ADDR alpha_skip_prologue PARAMS ((CORE_ADDR addr, int lenient));
 
/* 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) alpha_saved_pc_after_call(frame)
extern CORE_ADDR
alpha_saved_pc_after_call PARAMS ((struct frame_info *));
 
/* Are we currently handling a signal ? */
 
#define IN_SIGTRAMP(pc, name) ((name) && STREQ ("__sigtramp", (name)))
 
/* Stack grows downward. */
 
#define INNER_THAN(lhs,rhs) ((lhs) < (rhs))
 
#define BREAKPOINT {0x80, 0, 0, 0} /* call_pal bpt */
 
/* Amount PC must be decremented by after a breakpoint.
This is often the number of bytes in BREAKPOINT
but not always. */
 
#ifndef DECR_PC_AFTER_BREAK
#define DECR_PC_AFTER_BREAK 4
#endif
 
/* 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 8
 
/* Number of machine registers */
 
#define NUM_REGS 66
 
/* Initializer for an array of names of registers.
There should be NUM_REGS strings in this initializer. */
 
#define REGISTER_NAMES \
{ "v0", "t0", "t1", "t2", "t3", "t4", "t5", "t6", \
"t7", "s0", "s1", "s2", "s3", "s4", "s5", "fp", \
"a0", "a1", "a2", "a3", "a4", "a5", "t8", "t9", \
"t10", "t11", "ra", "t12", "at", "gp", "sp", "zero", \
"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", "fpcr",\
"pc", "vfp", \
}
 
/* Register numbers of various important registers.
Note that most of these values are "real" register numbers,
and correspond to the general registers of the machine,
and FP_REGNUM is a "phony" register number which is too large
to be an actual register number as far as the user is concerned
but serves to get the desired value when passed to read_register. */
 
#define V0_REGNUM 0 /* Function integer return value */
#define T7_REGNUM 8 /* Return address register for OSF/1 __add* */
#define GCC_FP_REGNUM 15 /* Used by gcc as frame register */
#define A0_REGNUM 16 /* Loc of first arg during a subr call */
#define T9_REGNUM 23 /* Return address register for OSF/1 __div* */
#define T12_REGNUM 27 /* Contains start addr of current proc */
#define SP_REGNUM 30 /* Contains address of top of stack */
#define RA_REGNUM 26 /* Contains return address value */
#define ZERO_REGNUM 31 /* Read-only register, always 0 */
#define FP0_REGNUM 32 /* Floating point register 0 */
#define FPA0_REGNUM 48 /* First float arg during a subr call */
#define FPCR_REGNUM 63 /* Floating point control register */
#define PC_REGNUM 64 /* Contains program counter */
#define FP_REGNUM 65 /* Virtual frame pointer */
 
#define CANNOT_FETCH_REGISTER(regno) \
((regno) == FP_REGNUM || (regno) == ZERO_REGNUM)
#define CANNOT_STORE_REGISTER(regno) \
((regno) == FP_REGNUM || (regno) == ZERO_REGNUM)
 
/* Total amount of space needed to store our copies of the machine's
register state, the array `registers'. */
#define REGISTER_BYTES (NUM_REGS * 8)
 
/* Index within `registers' of the first byte of the space for
register N. */
 
#define REGISTER_BYTE(N) ((N) * 8)
 
/* Number of bytes of storage in the actual machine representation
for register N. On Alphas, all regs are 8 bytes. */
 
#define REGISTER_RAW_SIZE(N) 8
 
/* Number of bytes of storage in the program's representation
for register N. On Alphas, all regs are 8 bytes. */
 
#define REGISTER_VIRTUAL_SIZE(N) 8
 
/* Largest value REGISTER_RAW_SIZE can have. */
 
#define MAX_REGISTER_RAW_SIZE 8
 
/* Largest value REGISTER_VIRTUAL_SIZE can have. */
 
#define MAX_REGISTER_VIRTUAL_SIZE 8
 
/* Nonzero if register N requires conversion
from raw format to virtual format.
The alpha needs a conversion between register and memory format if
the register is a floating point register and
memory format is float, as the register format must be double
or
memory format is an integer with 4 bytes or less, as the representation
of integers in floating point registers is different. */
 
#define REGISTER_CONVERTIBLE(N) ((N) >= FP0_REGNUM && (N) < FP0_REGNUM + 31)
 
/* Convert data from raw format for register REGNUM in buffer FROM
to virtual format with type TYPE in buffer TO. */
 
#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM, TYPE, FROM, TO) \
alpha_register_convert_to_virtual (REGNUM, TYPE, FROM, TO)
extern void
alpha_register_convert_to_virtual PARAMS ((int, struct type *, char *, char *));
 
/* Convert data from virtual format with type TYPE in buffer FROM
to raw format for register REGNUM in buffer TO. */
 
#define REGISTER_CONVERT_TO_RAW(TYPE, REGNUM, FROM, TO) \
alpha_register_convert_to_raw (TYPE, REGNUM, FROM, TO)
extern void
alpha_register_convert_to_raw PARAMS ((struct type *, int, char *, char *));
 
/* Return the GDB type object for the "standard" data type
of data in register N. */
 
#define REGISTER_VIRTUAL_TYPE(N) \
(((N) >= FP0_REGNUM && (N) < FP0_REGNUM+31) \
? builtin_type_double : builtin_type_long) \
 
/* Store the address of the place in which to copy the structure the
subroutine will return. Handled by alpha_push_arguments. */
 
#define STORE_STRUCT_RETURN(addr, sp)
/**/
 
/* 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) \
alpha_extract_return_value(TYPE, REGBUF, VALBUF)
extern void
alpha_extract_return_value PARAMS ((struct type *, char *, char *));
 
/* Write into appropriate registers a function return value
of type TYPE, given in virtual format. */
 
#define STORE_RETURN_VALUE(TYPE,VALBUF) \
alpha_store_return_value(TYPE, VALBUF)
extern void
alpha_store_return_value PARAMS ((struct type *, char *));
 
/* 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). */
/* The address is passed in a0 upon entry to the function, but when
the function exits, the compiler has copied the value to v0. This
convention is specified by the System V ABI, so I think we can rely
on it. */
 
#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) \
(extract_address (REGBUF + REGISTER_BYTE (V0_REGNUM), \
REGISTER_RAW_SIZE (V0_REGNUM)))
 
/* Structures are returned by ref in extra arg0 */
#define USE_STRUCT_CONVENTION(gcc_p, type) 1
 
/* 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. */
 
#define FRAME_CHAIN(thisframe) (CORE_ADDR) alpha_frame_chain (thisframe)
extern CORE_ADDR alpha_frame_chain PARAMS ((struct frame_info *));
 
/* Define other aspects of the stack frame. */
 
 
/* An expression that tells us whether the function invocation represented
by FI does not have a frame on the stack associated with it. */
/* We handle this differently for alpha, and maybe we should not */
 
#define FRAMELESS_FUNCTION_INVOCATION(FI) (0)
 
/* Saved Pc. */
 
#define FRAME_SAVED_PC(FRAME) (alpha_frame_saved_pc(FRAME))
extern CORE_ADDR
alpha_frame_saved_pc PARAMS ((struct frame_info *));
 
/* The alpha has two different virtual pointers for arguments and locals.
 
The virtual argument pointer is pointing to the bottom of the argument
transfer area, which is located immediately below the virtual frame
pointer. Its size is fixed for the native compiler, it is either zero
(for the no arguments case) or large enough to hold all argument registers.
gcc uses a variable sized argument transfer area. As it has
to stay compatible with the native debugging tools it has to use the same
virtual argument pointer and adjust the argument offsets accordingly.
 
The virtual local pointer is localoff bytes below the virtual frame
pointer, the value of localoff is obtained from the PDR. */
 
#define ALPHA_NUM_ARG_REGS 6
 
#define FRAME_ARGS_ADDRESS(fi) ((fi)->frame - (ALPHA_NUM_ARG_REGS * 8))
 
#define FRAME_LOCALS_ADDRESS(fi) ((fi)->frame - (fi)->localoff)
 
/* Return number of args passed to a frame.
Can return -1, meaning no way to tell. */
 
#define FRAME_NUM_ARGS(fi) (-1)
 
/* Return number of bytes at start of arglist that are not really args. */
 
#define FRAME_ARGS_SKIP 0
 
/* 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. */
 
extern void alpha_find_saved_regs PARAMS ((struct frame_info *));
 
#define FRAME_INIT_SAVED_REGS(frame_info) \
do { \
if ((frame_info)->saved_regs == NULL) \
alpha_find_saved_regs (frame_info); \
(frame_info)->saved_regs[SP_REGNUM] = (frame_info)->frame; \
} while (0)
 
/* Things needed for making the inferior call functions. */
 
#define PUSH_ARGUMENTS(nargs, args, sp, struct_return, struct_addr) \
(alpha_push_arguments((nargs), (args), (sp), (struct_return), (struct_addr)))
extern CORE_ADDR
alpha_push_arguments PARAMS ((int, struct value **, CORE_ADDR, int, CORE_ADDR));
 
/* Push an empty stack frame, to record the current PC, etc. */
 
#define PUSH_DUMMY_FRAME alpha_push_dummy_frame()
extern void
alpha_push_dummy_frame PARAMS ((void));
 
/* Discard from the stack the innermost frame, restoring all registers. */
 
#define POP_FRAME alpha_pop_frame()
extern void
alpha_pop_frame PARAMS ((void));
 
/* Alpha OSF/1 inhibits execution of code on the stack.
But there is no need for a dummy on the alpha. PUSH_ARGUMENTS
takes care of all argument handling and bp_call_dummy takes care
of stopping the dummy. */
 
#define CALL_DUMMY_LOCATION AT_ENTRY_POINT
 
/* On the Alpha the call dummy code is never copied to user space,
stopping the user call is achieved via a bp_call_dummy breakpoint.
But we need a fake CALL_DUMMY definition to enable the proper
call_function_by_hand and to avoid zero length array warnings
in valops.c */
 
#define CALL_DUMMY { 0 } /* Content doesn't matter. */
 
#define CALL_DUMMY_START_OFFSET (0)
 
#define CALL_DUMMY_BREAKPOINT_OFFSET (0)
 
extern CORE_ADDR alpha_call_dummy_address PARAMS ((void));
#define CALL_DUMMY_ADDRESS() alpha_call_dummy_address()
 
/* Insert the specified number of args and function address
into a call sequence of the above form stored at DUMMYNAME.
We only have to set RA_REGNUM to the dummy breakpoint address
and T12_REGNUM (the `procedure value register') to the function address. */
 
#define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \
{ \
CORE_ADDR bp_address = CALL_DUMMY_ADDRESS (); \
if (bp_address == 0) \
error ("no place to put call"); \
write_register (RA_REGNUM, bp_address); \
write_register (T12_REGNUM, fun); \
}
 
/* There's a mess in stack frame creation. See comments in blockframe.c
near reference to INIT_FRAME_PC_FIRST. */
 
#define INIT_FRAME_PC(fromleaf, prev) /* nada */
 
#define INIT_FRAME_PC_FIRST(fromleaf, prev) \
(prev)->pc = ((fromleaf) ? SAVED_PC_AFTER_CALL ((prev)->next) : \
(prev)->next ? FRAME_SAVED_PC ((prev)->next) : read_pc ());
 
/* Special symbol found in blocks associated with routines. We can hang
alpha_extra_func_info_t's off of this. */
 
#define MIPS_EFI_SYMBOL_NAME "__GDB_EFI_INFO__"
extern void ecoff_relocate_efi PARAMS ((struct symbol *, CORE_ADDR));
 
/* Specific information about a procedure.
This overlays the ALPHA's PDR records,
alpharead.c (ab)uses this to save memory */
 
typedef struct alpha_extra_func_info
{
long numargs; /* number of args to procedure (was iopt) */
PDR pdr; /* Procedure descriptor record */
}
*alpha_extra_func_info_t;
 
/* Define the extra_func_info that mipsread.c needs.
FIXME: We should define our own PDR interface, perhaps in a separate
header file. This would get rid of the <bfd.h> inclusion in all sources
and would abstract the mips/alpha interface from ecoff. */
#define mips_extra_func_info alpha_extra_func_info
#define mips_extra_func_info_t alpha_extra_func_info_t
 
#define EXTRA_FRAME_INFO \
int localoff; \
int pc_reg; \
alpha_extra_func_info_t proc_desc;
 
#define INIT_EXTRA_FRAME_INFO(fromleaf, fci) init_extra_frame_info(fci)
extern void
init_extra_frame_info PARAMS ((struct frame_info *));
 
#define PRINT_EXTRA_FRAME_INFO(fi) \
{ \
if (fi && fi->proc_desc && fi->proc_desc->pdr.framereg < NUM_REGS) \
printf_filtered (" frame pointer is at %s+%ld\n", \
REGISTER_NAME (fi->proc_desc->pdr.framereg), \
fi->proc_desc->pdr.frameoffset); \
}
 
/* It takes two values to specify a frame on the ALPHA. Sigh.
 
In fact, at the moment, the *PC* is the primary value that sets up
a frame. The PC is looked up to see what function it's in; symbol
information from that function tells us which register is the frame
pointer base, and what offset from there is the "virtual frame pointer".
(This is usually an offset from SP.) FIXME -- this should be cleaned
up so that the primary value is the SP, and the PC is used to disambiguate
multiple functions with the same SP that are at different stack levels. */
 
#define SETUP_ARBITRARY_FRAME(argc, argv) setup_arbitrary_frame (argc, argv)
extern struct frame_info *setup_arbitrary_frame PARAMS ((int, CORE_ADDR *));
 
/* This is used by heuristic_proc_start. It should be shot it the head. */
#ifndef VM_MIN_ADDRESS
#define VM_MIN_ADDRESS (CORE_ADDR)0x120000000
#endif
 
/* If PC is in a shared library trampoline code, return the PC
where the function itself actually starts. If not, return 0. */
#define SKIP_TRAMPOLINE_CODE(pc) find_solib_trampoline_target (pc)
 
/* If the current gcc for for this target does not produce correct debugging
information for float parameters, both prototyped and unprototyped, then
define this macro. This forces gdb to always assume that floats are
passed as doubles and then converted in the callee.
 
For the alpha, it appears that the debug info marks the parameters as
floats regardless of whether the function is prototyped, but the actual
values are always passed in as doubles. Thus by setting this to 1, both
types of calls will work. */
 
#define COERCE_FLOAT_TO_DOUBLE(formal, actual) (1)
 
/* Return TRUE if procedure descriptor PROC is a procedure descriptor
that refers to a dynamically generated sigtramp function.
 
OSF/1 doesn't use dynamic sigtramp functions, so this is always
FALSE. */
 
#define PROC_DESC_IS_DYN_SIGTRAMP(proc) (0)
#define SET_PROC_DESC_IS_DYN_SIGTRAMP(proc)
 
/* If PC is inside a dynamically generated sigtramp function, return
how many bytes the program counter is beyond the start of that
function. Otherwise, return a negative value.
 
OSF/1 doesn't use dynamic sigtramp functions, so this always
returns -1. */
 
#define DYNAMIC_SIGTRAMP_OFFSET(pc) (-1)
 
/* Translate a signal handler frame into the address of the sigcontext
structure. */
 
#define SIGCONTEXT_ADDR(frame) \
(read_memory_integer ((frame)->next ? frame->next->frame : frame->frame, 8))
 
/* If FRAME refers to a sigtramp frame, return the address of the next
frame. */
 
#define FRAME_PAST_SIGTRAMP_FRAME(frame, pc) \
(alpha_osf_skip_sigtramp_frame (frame, pc))
extern CORE_ADDR alpha_osf_skip_sigtramp_frame PARAMS ((struct frame_info *, CORE_ADDR));
 
#endif /* TM_ALPHA_H */
/tm-alphalinux.h
0,0 → 1,80
/* Definitions to make GDB run on an Alpha box under Linux. The
definitions here are used when the _target_ system is running Linux.
Copyright 1996 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. */
 
#ifndef TM_LINUXALPHA_H
#define TM_LINUXALPHA_H
 
#include "alpha/tm-alpha.h"
 
/* Are we currently handling a signal ? */
 
extern long alpha_linux_sigtramp_offset PARAMS ((CORE_ADDR));
#undef IN_SIGTRAMP
#define IN_SIGTRAMP(pc, name) (alpha_linux_sigtramp_offset (pc) >= 0)
 
/* Get start and end address of sigtramp handler. */
 
#define SIGTRAMP_START(pc) (pc - alpha_linux_sigtramp_offset (pc))
#define SIGTRAMP_END(pc) (SIGTRAMP_START(pc) + 3*4)
 
 
/* Number of traps that happen between exec'ing the shell to run an
inferior, and when we finally get to the inferior code. This is 2
on Linux and most implementations. */
 
#undef START_INFERIOR_TRAPS_EXPECTED
#define START_INFERIOR_TRAPS_EXPECTED 2
 
/* Return TRUE if procedure descriptor PROC is a procedure descriptor
that refers to a dynamically generated sigtramp function. */
 
#undef PROC_DESC_IS_DYN_SIGTRAMP
#define PROC_SIGTRAMP_MAGIC 0x0e0f0f0f
#define PROC_DESC_IS_DYN_SIGTRAMP(proc) ((proc)->pdr.isym \
== PROC_SIGTRAMP_MAGIC)
#undef SET_PROC_DESC_IS_DYN_SIGTRAMP
#define SET_PROC_DESC_IS_DYN_SIGTRAMP(proc) ((proc)->pdr.isym \
= PROC_SIGTRAMP_MAGIC)
 
/* If PC is inside a dynamically generated sigtramp function, return
how many bytes the program counter is beyond the start of that
function. Otherwise, return a negative value. */
 
#undef DYNAMIC_SIGTRAMP_OFFSET
#define DYNAMIC_SIGTRAMP_OFFSET(pc) (alpha_linux_sigtramp_offset (pc))
 
/* Translate a signal handler frame into the address of the sigcontext
structure. */
 
#undef SIGCONTEXT_ADDR
#define SIGCONTEXT_ADDR(frame) ((frame)->frame - 0x298)
 
/* If FRAME refers to a sigtramp frame, return the address of the next frame.
 
Under Linux, sigtramp handlers have dynamically generated procedure
descriptors that make this hack unnecessary. */
 
#undef FRAME_PAST_SIGTRAMP_FRAME
#define FRAME_PAST_SIGTRAMP_FRAME(frame, pc) (0)
 
#include "tm-linux.h"
 
#endif /* TM_LINUXALPHA_H */
/alpha-osf1.mt
0,0 → 1,3
# Target: Little-endian Alpha
TDEPFILES= alpha-tdep.o
TM_FILE= tm-alpha.h
/nm-linux.h
0,0 → 1,70
/* Native definitions for alpha running Linux.
Copyright (C) 1993, 1994 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. */
 
#ifndef NM_LINUX_H
#define NM_LINUX_H
 
#include "nm-linux.h"
 
/* Figure out where the longjmp will land. We expect that we have just entered
longjmp and haven't yet setup the stack frame, so the args are still in the
argument regs. A0_REGNUM points at the jmp_buf structure from which we
extract the pc (JB_PC) that we will land at. The pc is copied into ADDR.
This routine returns true on success */
 
#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR)
extern int
get_longjmp_target PARAMS ((CORE_ADDR *));
 
/* ptrace register ``addresses'' are absolute. */
 
#define U_REGS_OFFSET 0
 
/* FIXME: This is probably true, or should be, on all Linux ports.
IA64? Sparc64? */
#define PTRACE_ARG3_TYPE long
 
/* ptrace transfers longs, the ptrace man page is lying. */
 
#define PTRACE_XFER_TYPE long
 
/* The alpha does not step over a breakpoint, the manpage is lying again. */
 
#define CANNOT_STEP_BREAKPOINT
 
/* Linux has shared libraries. */
 
#define GDB_TARGET_HAS_SHARED_LIBS
 
/* Support for shared libraries. */
 
#ifdef __ELF__
#define TARGET_ELF64
#endif
 
/* This is a lie. It's actually in stdio.h. */
 
#define PSIGNAL_IN_SIGNAL_H
 
/* Given a pointer to either a gregset_t or fpregset_t, return a
pointer to the first register. */
#define ALPHA_REGSET_BASE(regsetp) ((long *) (regsetp))
 
#endif /* NM_LINUX_H */
/xm-alphalinux.h
0,0 → 1,30
/* Host definitions for GDB running on an Alpha under Linux
Copyright (C) 1996 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. */
 
#if !defined (HOST_BYTE_ORDER)
#define HOST_BYTE_ORDER LITTLE_ENDIAN
#endif
 
/* The alpha has no siginterrupt routine. */
#define NO_SIGINTERRUPT
 
#define HAVE_TERMIOS
#define HAVE_SIGSETMASK 1
#define USG
/alpha-osf1.mh
0,0 → 1,5
# Host: Little-endian Alpha running OSF/1-1.x
XDEPFILES=
XM_FILE= xm-alphaosf.h
NAT_FILE= nm-osf.h
NATDEPFILES= infptrace.o inftarg.o corelow.o alpha-nat.o fork-child.o osfsolib.o

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