Initial creation of sourceware repositorygdb-4_18-branchpoint

14 files changed, 847 insertions, 0 deletions

diff --git a/gdb/config/alpha/alpha-linux.mh b/gdb/config/alpha/alpha-linux.mh
new file mode 100644
index 0000000..aa4a069
--- /dev/null
+++ b/gdb/config/alpha/alpha-linux.mh
@@ -0,0 +1,9 @@
+# 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 core-regset.o alpha-nat.o \
+	fork-child.o solib.o
+
+MMALLOC = 
+MMALLOC_CFLAGS = -DNO_MMALLOC 
diff --git a/gdb/config/alpha/alpha-linux.mt b/gdb/config/alpha/alpha-linux.mt
new file mode 100644
index 0000000..7789252
--- /dev/null
+++ b/gdb/config/alpha/alpha-linux.mt
@@ -0,0 +1,3 @@
+# Target: Little-endian Alpha
+TDEPFILES= alpha-tdep.o
+TM_FILE= tm-alphalinux.h
diff --git a/gdb/config/alpha/alpha-osf1.mh b/gdb/config/alpha/alpha-osf1.mh
new file mode 100644
index 0000000..6ed0f95
--- /dev/null
+++ b/gdb/config/alpha/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
diff --git a/gdb/config/alpha/alpha-osf1.mt b/gdb/config/alpha/alpha-osf1.mt
new file mode 100644
index 0000000..98f87c1
--- /dev/null
+++ b/gdb/config/alpha/alpha-osf1.mt
@@ -0,0 +1,3 @@
+# Target: Little-endian Alpha
+TDEPFILES= alpha-tdep.o
+TM_FILE= tm-alpha.h
diff --git a/gdb/config/alpha/alpha-osf2.mh b/gdb/config/alpha/alpha-osf2.mh
new file mode 100644
index 0000000..569b6fd
--- /dev/null
+++ b/gdb/config/alpha/alpha-osf2.mh
@@ -0,0 +1,5 @@
+# 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
diff --git a/gdb/config/alpha/alpha-osf3.mh b/gdb/config/alpha/alpha-osf3.mh
new file mode 100644
index 0000000..4997531
--- /dev/null
+++ b/gdb/config/alpha/alpha-osf3.mh
@@ -0,0 +1,5 @@
+# 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
diff --git a/gdb/config/alpha/nm-linux.h b/gdb/config/alpha/nm-linux.h
new file mode 100644
index 0000000..eedb1a9
--- /dev/null
+++ b/gdb/config/alpha/nm-linux.h
@@ -0,0 +1,66 @@
+/* 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., 675 Mass Ave, Cambridge, MA 02139, 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 *));
+
+/* Tell gdb that we can attach and detach other processes */
+#define ATTACH_DETACH
+
+/* ptrace register ``addresses'' are absolute.  */
+
+#define U_REGS_OFFSET 0
+
+#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.  */
+
+#include "solib.h"
+
+#ifdef __ELF__
+#define SVR4_SHARED_LIBS
+#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))
diff --git a/gdb/config/alpha/nm-osf.h b/gdb/config/alpha/nm-osf.h
new file mode 100644
index 0000000..e06140d
--- /dev/null
+++ b/gdb/config/alpha/nm-osf.h
@@ -0,0 +1,56 @@
+/* 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)
diff --git a/gdb/config/alpha/nm-osf2.h b/gdb/config/alpha/nm-osf2.h
new file mode 100644
index 0000000..01725ef
--- /dev/null
+++ b/gdb/config/alpha/nm-osf2.h
@@ -0,0 +1,54 @@
+/* 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
diff --git a/gdb/config/alpha/nm-osf3.h b/gdb/config/alpha/nm-osf3.h
new file mode 100644
index 0000000..a1871a6
--- /dev/null
+++ b/gdb/config/alpha/nm-osf3.h
@@ -0,0 +1,26 @@
+/* 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
diff --git a/gdb/config/alpha/tm-alpha.h b/gdb/config/alpha/tm-alpha.h
new file mode 100644
index 0000000..d9b9812
--- /dev/null
+++ b/gdb/config/alpha/tm-alpha.h
@@ -0,0 +1,479 @@
+/* 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"
+
+#ifdef __STDC__
+struct frame_info;
+struct type;
+struct value;
+struct symbol;
+#endif
+
+#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)	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",  "f31",\
+	"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 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 + 32)
+
+/* 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+32)  \
+	 ? 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.  */
+
+
+/* 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.  */
+/* We handle this differently for alpha, and maybe we should not */
+
+#define FRAMELESS_FUNCTION_INVOCATION(FI, FRAMELESS)  {(FRAMELESS) = 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(num, fi)	((num) = -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) \
+    sp = 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+%d\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 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 */
diff --git a/gdb/config/alpha/tm-alphalinux.h b/gdb/config/alpha/tm-alphalinux.h
new file mode 100644
index 0000000..d836a70
--- /dev/null
+++ b/gdb/config/alpha/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)
+
+/* We need this for the SOLIB_TRAMPOLINE stuff.  */
+#include "tm-sysv4.h"
+
+#endif /* TM_LINUXALPHA_H */
diff --git a/gdb/config/alpha/xm-alphalinux.h b/gdb/config/alpha/xm-alphalinux.h
new file mode 100644
index 0000000..a7aeab0
--- /dev/null
+++ b/gdb/config/alpha/xm-alphalinux.h
@@ -0,0 +1,29 @@
+/* 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., 675 Mass Ave, Cambridge, MA 02139, 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
diff --git a/gdb/config/alpha/xm-alphaosf.h b/gdb/config/alpha/xm-alphaosf.h
new file mode 100644
index 0000000..40b7fe0
--- /dev/null
+++ b/gdb/config/alpha/xm-alphaosf.h
@@ -0,0 +1,27 @@
+/* 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., 675 Mass Ave, Cambridge, MA 02139, 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