* MAINTAINERS: Mark a29k target as obsolete.
* Makefile.in (a29k-tdep.o, remote-adapt.o, remote-eb.o) (remote-mm.o, remote-udi.o): Obsolete. Remove references in comments. * NEWS: Note that a29k targets are obsolete. * a29k-tdep.c: Mark as obsolete. * configure.tgt: Mark a29k-*-aout*, a29k-*-coff*, a29k-*-elf*, a29k-*-ebmon*, a29k-*-kern*, a29k-*-none*, a29k-*-udi* and a29k-*-vxworks* targets as obsolete. * remote-adapt.c: Obsolete. * remote-eb.c: Obsolete. * remote-mm.c: Obsolete. * remote-udi.c: Obsolete. * config/a29k/a29k-udi.mt: Obsolete. * config/a29k/a29k.mt: Obsolete. * config/a29k/tm-a29k.h: Obsolete. * config/a29k/tm-vx29k.h: Obsolete. * config/a29k/vx29k.mt: Obsolete.
This commit is contained in:
Andrew Cagney
parent
9fbfe2dc64
commit
9b4ff27668
@ -1,3 +1,24 @@
|
||||
2002-01-06 Andrew Cagney <ac131313@redhat.com>
|
||||
|
||||
* MAINTAINERS: Mark a29k target as obsolete.
|
||||
* Makefile.in (a29k-tdep.o, remote-adapt.o, remote-eb.o)
|
||||
(remote-mm.o, remote-udi.o): Obsolete. Remove references in
|
||||
comments.
|
||||
* NEWS: Note that a29k targets are obsolete.
|
||||
* a29k-tdep.c: Mark as obsolete.
|
||||
* configure.tgt: Mark a29k-*-aout*, a29k-*-coff*, a29k-*-elf*,
|
||||
a29k-*-ebmon*, a29k-*-kern*, a29k-*-none*, a29k-*-udi* and
|
||||
a29k-*-vxworks* targets as obsolete.
|
||||
* remote-adapt.c: Obsolete.
|
||||
* remote-eb.c: Obsolete.
|
||||
* remote-mm.c: Obsolete.
|
||||
* remote-udi.c: Obsolete.
|
||||
* config/a29k/a29k-udi.mt: Obsolete.
|
||||
* config/a29k/a29k.mt: Obsolete.
|
||||
* config/a29k/tm-a29k.h: Obsolete.
|
||||
* config/a29k/tm-vx29k.h: Obsolete.
|
||||
* config/a29k/vx29k.mt: Obsolete.
|
||||
|
||||
2002-01-05 Andrew Cagney <ac131313@redhat.com>
|
||||
|
||||
* rs6000-tdep.c (rs6000_do_registers_info): Replace BIG_ENDIAN
|
||||
|
||||
@ -51,8 +51,7 @@ variants. *-tdep.c. The Target/Architecture maintainer works with the
|
||||
host maintainer when resolving build issues. The Target/Architecture
|
||||
maintainer works with the native maintainer when resolving API issues.
|
||||
|
||||
a29k (--target=a29k-amd-udi broken)
|
||||
Maintenance only
|
||||
a29k OBSOLETE
|
||||
|
||||
alpha --target=alpha-dec-osf4.0a -Werror
|
||||
Maintenance only
|
||||
|
||||
@ -809,7 +809,7 @@ uninstall: force $(CONFIG_UNINSTALL)
|
||||
|
||||
# We do this by grepping through sources. If that turns out to be too slow,
|
||||
# maybe we could just require every .o file to have an initialization routine
|
||||
# of a given name (remote-udi.o -> _initialize_remote_udi, etc.).
|
||||
# of a given name (top.o -> _initialize_top, etc.).
|
||||
#
|
||||
# Formatting conventions: The name of the _initialize_* routines must start
|
||||
# in column zero, and must not be inside #if.
|
||||
@ -1230,8 +1230,8 @@ udi2go32.o: $(srcdir)/29k-share/udi/udi2go32.c $(udiheaders)
|
||||
udr.o: $(srcdir)/29k-share/udi/udr.c $(udiheaders)
|
||||
$(CC) -c $(INTERNAL_CFLAGS) $(srcdir)/29k-share/udi/udr.c
|
||||
|
||||
a29k-tdep.o: a29k-tdep.c $(gdbcmd_h) $(gdbcore_h) $(inferior_h) $(defs_h) \
|
||||
$(regcache_h)
|
||||
# OBSOLETE a29k-tdep.o: a29k-tdep.c $(gdbcmd_h) $(gdbcore_h) $(inferior_h) $(defs_h) \
|
||||
# OBSOLETE $(regcache_h)
|
||||
|
||||
a68v-nat.o: a68v-nat.c $(defs_h) $(gdbcore_h) $(inferior_h) \
|
||||
$(regcache_h)
|
||||
@ -1861,8 +1861,8 @@ lin-lwp.o: lin-lwp.c $(defs_h) gdb_assert.h gdb_wait.h $(gdbthread_h) \
|
||||
proc-service.o: proc-service.c $(defs_h) $(inferior_h) gdb_proc_service.h \
|
||||
$(symtab_h) $(target_h) gregset.h
|
||||
|
||||
remote-adapt.o: remote-adapt.c $(defs_h) $(gdbcore_h) \
|
||||
$(inferior_h) $(target_h) $(terminal_h) $(gdb_string_h) $(regcache_h)
|
||||
# OBSOLETE remote-adapt.o: remote-adapt.c $(defs_h) $(gdbcore_h) \
|
||||
# OBSOLETE $(inferior_h) $(target_h) $(terminal_h) $(gdb_string_h) $(regcache_h)
|
||||
|
||||
remote-array.o: remote-array.c $(defs_h) $(gdbcore_h) $(target_h) \
|
||||
$(gdb_string_h) $(command_h) $(serial_h) $(monitor_h) $(remote_utils_h) \
|
||||
@ -1891,9 +1891,9 @@ remote-bug.o: remote-bug.c $(defs_h) $(gdbcore_h) $(serial_h) \
|
||||
remote-e7000.o: remote-e7000.c $(defs_h) $(gdbcore_h) $(target_h) \
|
||||
$(serial_h) $(gdb_string_h) $(regcache_h)
|
||||
|
||||
remote-eb.o: remote-eb.c $(srcdir)/config/a29k/tm-a29k.h \
|
||||
$(defs_h) $(gdbcore_h) $(inferior_h) $(symfile_h) $(target_h) \
|
||||
$(terminal_h) $(gdb_string_h) $(regcache_h)
|
||||
# OBSOLETE remote-eb.o: remote-eb.c $(srcdir)/config/a29k/tm-a29k.h \
|
||||
# OBSOLETE $(defs_h) $(gdbcore_h) $(inferior_h) $(symfile_h) $(target_h) \
|
||||
# OBSOLETE $(terminal_h) $(gdb_string_h) $(regcache_h)
|
||||
|
||||
remote-es.o: remote-es.c $(bfd_h) $(command_h) $(defs_h) \
|
||||
$(inferior_h) $(remote_utils_h) $(terminal_h) $(gdb_string_h) \
|
||||
@ -1909,8 +1909,8 @@ remote-mips.o: remote-mips.c $(defs_h) $(gdbcmd_h) \
|
||||
$(gdbcore_h) $(inferior_h) $(serial_h) $(symfile_h) $(target_h) \
|
||||
$(regcache_h)
|
||||
|
||||
remote-mm.o: remote-mm.c $(bfd_h) $(defs_h) $(inferior_h) \
|
||||
minimon.h $(target_h) $(terminal_h) $(gdb_string_h) $(regcache_h)
|
||||
# OBSOLETE remote-mm.o: remote-mm.c $(bfd_h) $(defs_h) $(inferior_h) \
|
||||
# OBSOLETE minimon.h $(target_h) $(terminal_h) $(gdb_string_h) $(regcache_h)
|
||||
|
||||
remote-nindy.o: remote-nindy.c $(floatformat_h) $(command_h) \
|
||||
$(defs_h) $(gdbcore_h) $(inferior_h) \
|
||||
@ -1932,9 +1932,9 @@ remote-sim.o: remote-sim.c $(defs_h) $(gdbcore_h) \
|
||||
remote-st.o: remote-st.c $(defs_h) $(gdbcore_h) $(serial_h) \
|
||||
$(target_h) $(gdb_string_h) $(regcache_h)
|
||||
|
||||
remote-udi.o: remote-udi.c $(bfd_h) $(defs_h) $(gdbcmd_h) \
|
||||
$(inferior_h) $(target_h) $(terminal_h) $(udiheaders) $(gdb_string_h) \
|
||||
$(regcache_h)
|
||||
# OBSOLETE remote-udi.o: remote-udi.c $(bfd_h) $(defs_h) $(gdbcmd_h) \
|
||||
# OBSOLETE $(inferior_h) $(target_h) $(terminal_h) $(udiheaders) $(gdb_string_h) \
|
||||
# OBSOLETE $(regcache_h)
|
||||
|
||||
remote-vx.o: remote-vx.c $(complaints_h) $(defs_h) $(gdbcmd_h) \
|
||||
$(gdbcore_h) $(inferior_h) $(target_h) vx-share/dbgRpcLib.h \
|
||||
|
||||
14
gdb/NEWS
14
gdb/NEWS
@ -11,6 +11,20 @@ x86 OpenBSD i[3456]86-*-openbsd*
|
||||
|
||||
Sanyo XStormy16 xstormy16-elf
|
||||
|
||||
* OBSOLETE configurations and files
|
||||
|
||||
Configurations that have been declared obsolete in this release have
|
||||
been commented out. Unless there is activity to revive these
|
||||
configurations, the next release of GDB will have their sources
|
||||
permanently REMOVED.
|
||||
|
||||
AMD 29k family via UDI a29k-amd-udi, udi29k
|
||||
A29K VxWorks a29k-*-vxworks
|
||||
AMD 29000 embedded, using EBMON a29k-none-none
|
||||
AMD 29000 embedded with COFF a29k-none-coff
|
||||
AMD 29000 embedded with a.out a29k-none-aout
|
||||
|
||||
|
||||
* REMOVED configurations and files
|
||||
|
||||
TI TMS320C80 tic80-*-*
|
||||
|
||||
2030
gdb/a29k-tdep.c
2030
gdb/a29k-tdep.c
File diff suppressed because it is too large
Load Diff
@ -1,5 +1,5 @@
|
||||
# Target: AMD 29000 on EB29K board over a serial line
|
||||
TDEPFILES= a29k-tdep.o remote-udi.o udip2soc.o udr.o udi2go32.o
|
||||
TM_FILE= tm-a29k.h
|
||||
|
||||
MT_CFLAGS = $(HOST_IPC)
|
||||
# OBSOLETE # Target: AMD 29000 on EB29K board over a serial line
|
||||
# OBSOLETE TDEPFILES= a29k-tdep.o remote-udi.o udip2soc.o udr.o udi2go32.o
|
||||
# OBSOLETE TM_FILE= tm-a29k.h
|
||||
# OBSOLETE
|
||||
# OBSOLETE MT_CFLAGS = $(HOST_IPC)
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
# Target: AMD 29000
|
||||
TDEPFILES= a29k-tdep.o remote-eb.o remote-adapt.o
|
||||
TM_FILE= tm-a29k.h
|
||||
|
||||
MT_CFLAGS = -DNO_HIF_SUPPORT
|
||||
# OBSOLETE # Target: AMD 29000
|
||||
# OBSOLETE TDEPFILES= a29k-tdep.o remote-eb.o remote-adapt.o
|
||||
# OBSOLETE TM_FILE= tm-a29k.h
|
||||
# OBSOLETE
|
||||
# OBSOLETE MT_CFLAGS = -DNO_HIF_SUPPORT
|
||||
|
||||
File diff suppressed because it is too large
Load Diff
@ -1,230 +1,230 @@
|
||||
/* Target machine description for VxWorks on the 29k, for GDB, the GNU debugger.
|
||||
Copyright 1994, 1995, 1998, 1999, 2000 Free Software Foundation, Inc.
|
||||
Contributed by Cygnus Support.
|
||||
|
||||
This file is part of GDB.
|
||||
|
||||
This program is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program; if not, write to the Free Software
|
||||
Foundation, Inc., 59 Temple Place - Suite 330,
|
||||
Boston, MA 02111-1307, USA. */
|
||||
|
||||
#include "regcache.h"
|
||||
#include "value.h"
|
||||
#include "a29k/tm-a29k.h"
|
||||
#include "tm-vxworks.h"
|
||||
|
||||
/* Number of registers in a ptrace_getregs call. */
|
||||
|
||||
#define VX_NUM_REGS (NUM_REGS)
|
||||
|
||||
/* Number of registers in a ptrace_getfpregs call. */
|
||||
|
||||
/* #define VX_SIZE_FPREGS */
|
||||
|
||||
/* This is almost certainly the wrong place for this: */
|
||||
#define LR2_REGNUM 34
|
||||
|
||||
|
||||
/* Vxworks has its own CALL_DUMMY since it manages breakpoints in the kernel */
|
||||
|
||||
#undef CALL_DUMMY
|
||||
|
||||
/* Replace the breakpoint instruction in the CALL_DUMMY with a nop.
|
||||
For Vxworks, the breakpoint is set and deleted by calls to
|
||||
CALL_DUMMY_BREAK_SET and CALL_DUMMY_BREAK_DELETE. */
|
||||
|
||||
#error "This file is broken. GDB does not define HOST_BYTE_ORDER."
|
||||
#if TARGET_BYTE_ORDER == HOST_BYTE_ORDER
|
||||
#define CALL_DUMMY {0x0400870f,\
|
||||
0x36008200|(MSP_HW_REGNUM), \
|
||||
0x15000040|(MSP_HW_REGNUM<<8)|(MSP_HW_REGNUM<<16), \
|
||||
0x03ff80ff, 0x02ff80ff, 0xc8008080, 0x70400101, 0x70400101}
|
||||
#else /* Byte order differs. */
|
||||
#define CALL_DUMMY {0x0f870004,\
|
||||
0x00820036|(MSP_HW_REGNUM << 24), \
|
||||
0x40000015|(MSP_HW_REGNUM<<8)|(MSP_HW_REGNUM<<16), \
|
||||
0xff80ff03, 0xff80ff02, 0x808000c8, 0x01014070, 0x01014070}
|
||||
#endif /* Byte order differs. */
|
||||
|
||||
|
||||
/* For the basic CALL_DUMMY definitions, see "tm-29k.h." We use the
|
||||
same CALL_DUMMY code, but define FIX_CALL_DUMMY (and related macros)
|
||||
locally to handle remote debugging of VxWorks targets. The difference
|
||||
is in the setting and clearing of the breakpoint at the end of the
|
||||
CALL_DUMMY code fragment; under VxWorks, we can't simply insert a
|
||||
breakpoint instruction into the code, since that would interfere with
|
||||
the breakpoint management mechanism on the target.
|
||||
Note that CALL_DUMMY is a piece of code that is used to call any C function
|
||||
thru VxGDB */
|
||||
|
||||
/* The offset of the instruction within the CALL_DUMMY code where we
|
||||
want the inferior to stop after the function call has completed.
|
||||
call_function_by_hand () sets a breakpoint here (via CALL_DUMMY_BREAK_SET),
|
||||
which POP_FRAME later deletes (via CALL_DUMMY_BREAK_DELETE). */
|
||||
|
||||
#define CALL_DUMMY_STOP_OFFSET (7 * 4)
|
||||
|
||||
/* The offset of the first instruction of the CALL_DUMMY code fragment
|
||||
relative to the frame pointer for a dummy frame. This is equal to
|
||||
the size of the CALL_DUMMY plus the arg_slop area size (see the diagram
|
||||
in "tm-29k.h"). */
|
||||
/* PAD : the arg_slop area size doesn't appear to me to be useful since, the
|
||||
call dummy code no longer modify the msp. See below. This must be checked. */
|
||||
|
||||
#define CALL_DUMMY_OFFSET_IN_FRAME (CALL_DUMMY_LENGTH + 16 * 4)
|
||||
|
||||
/* Insert the specified number of args and function address
|
||||
into a CALL_DUMMY sequence stored at DUMMYNAME, replace the third
|
||||
instruction (add msp, msp, 16*4) with a nop, and leave the final nop.
|
||||
We can't keep using a CALL_DUMMY that modify the msp since, for VxWorks,
|
||||
CALL_DUMMY is stored in the Memory Stack. Adding 16 words to the msp
|
||||
would then make possible for the inferior to overwrite the CALL_DUMMY code,
|
||||
thus creating a lot of trouble when exiting the inferior to come back in
|
||||
a CALL_DUMMY code that no longer exists... Furthermore, ESF are also stored
|
||||
from the msp in the memory stack. If msp is set higher than the dummy code,
|
||||
an ESF may clobber this code. */
|
||||
|
||||
#if TARGET_BYTE_ORDER == BFD_ENDIAN_BIG
|
||||
#define NOP_INSTR 0x70400101
|
||||
#else /* Target is little endian */
|
||||
#define NOP_INSTR 0x01014070
|
||||
#endif
|
||||
|
||||
#undef FIX_CALL_DUMMY
|
||||
#define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \
|
||||
{ \
|
||||
*(int *)((char *)dummyname + 8) = NOP_INSTR; \
|
||||
STUFF_I16((char *)dummyname + CONST_INSN, fun); \
|
||||
STUFF_I16((char *)dummyname + CONST_INSN + 4, fun >> 16); \
|
||||
}
|
||||
|
||||
/* For VxWorks, CALL_DUMMY must be stored in the stack of the task that is
|
||||
being debugged and executed "in the context of" this task */
|
||||
|
||||
#undef CALL_DUMMY_LOCATION
|
||||
#define CALL_DUMMY_LOCATION ON_STACK
|
||||
|
||||
/* Set or delete a breakpoint at the location within a CALL_DUMMY code
|
||||
fragment where we want the target program to stop after the function
|
||||
call is complete. CALL_DUMMY_ADDR is the address of the first
|
||||
instruction in the CALL_DUMMY. DUMMY_FRAME_ADDR is the value of the
|
||||
frame pointer in the dummy frame.
|
||||
|
||||
NOTE: in the both of the following definitions, we take advantage of
|
||||
knowledge of the implementation of the target breakpoint operation,
|
||||
in that we pass a null pointer as the second argument. It seems
|
||||
reasonable to assume that any target requiring the use of
|
||||
CALL_DUMMY_BREAK_{SET,DELETE} will not store the breakpoint
|
||||
shadow contents in GDB; in any case, this assumption is vaild
|
||||
for all VxWorks-related targets. */
|
||||
|
||||
#define CALL_DUMMY_BREAK_SET(call_dummy_addr) \
|
||||
target_insert_breakpoint ((call_dummy_addr) + CALL_DUMMY_STOP_OFFSET, \
|
||||
(char *) 0)
|
||||
|
||||
#define CALL_DUMMY_BREAK_DELETE(dummy_frame_addr) \
|
||||
target_remove_breakpoint ((dummy_frame_addr) - (CALL_DUMMY_OFFSET_IN_FRAME \
|
||||
- CALL_DUMMY_STOP_OFFSET), \
|
||||
(char *) 0)
|
||||
|
||||
/* Return nonzero if the pc is executing within a CALL_DUMMY frame. */
|
||||
|
||||
#define PC_IN_CALL_DUMMY(pc, sp, frame_address) \
|
||||
((pc) >= (sp) \
|
||||
&& (pc) <= (sp) + CALL_DUMMY_OFFSET_IN_FRAME + CALL_DUMMY_LENGTH)
|
||||
|
||||
/* Defining this prevents us from trying to pass a structure-valued argument
|
||||
to a function called via the CALL_DUMMY mechanism. This is not handled
|
||||
properly in call_function_by_hand (), and the fix might require re-writing
|
||||
the CALL_DUMMY handling for all targets (at least, a clean solution
|
||||
would probably require this). Arguably, this should go in "tm-29k.h"
|
||||
rather than here. */
|
||||
|
||||
#define STRUCT_VAL_ARGS_UNSUPPORTED
|
||||
|
||||
#define BKPT_OFFSET (7 * 4)
|
||||
#define BKPT_INSTR 0x72500101
|
||||
|
||||
#undef FIX_CALL_DUMMY
|
||||
#define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \
|
||||
{\
|
||||
STUFF_I16((char *)dummyname + CONST_INSN, fun);\
|
||||
STUFF_I16((char *)dummyname + CONST_INSN + 4, fun >> 16);\
|
||||
*(int *)((char *)dummyname + BKPT_OFFSET) = BKPT_INSTR;\
|
||||
}
|
||||
|
||||
|
||||
/* Offsets into jmp_buf. They are derived from VxWorks' REG_SET struct
|
||||
(see VxWorks' setjmp.h). Note that Sun2, Sun3 and SunOS4 and VxWorks have
|
||||
different REG_SET structs, hence different layouts for the jmp_buf struct.
|
||||
Only JB_PC is needed for getting the saved PC value. */
|
||||
|
||||
#define JB_ELEMENT_SIZE 4 /* size of each element in jmp_buf */
|
||||
#define JB_PC 3 /* offset of pc (pc1) in jmp_buf */
|
||||
|
||||
/* 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
|
||||
output regs. lr2 (LR2_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 (CORE_ADDR *);
|
||||
|
||||
/* VxWorks adjusts the PC after a breakpoint has been hit. */
|
||||
|
||||
#undef DECR_PC_AFTER_BREAK
|
||||
#define DECR_PC_AFTER_BREAK 0
|
||||
|
||||
/* Do whatever promotions are appropriate on a value being returned
|
||||
from a function. VAL is the user-supplied value, and FUNC_TYPE
|
||||
is the return type of the function if known, else 0.
|
||||
|
||||
For the Am29k, as far as I understand, if the function return type is known,
|
||||
cast the value to that type; otherwise, ensure that integer return values
|
||||
fill all of gr96.
|
||||
|
||||
This definition really belongs in "tm-29k.h", since it applies
|
||||
to most Am29K-based systems; but once moved into that file, it might
|
||||
need to be redefined for all Am29K-based targets that also redefine
|
||||
STORE_RETURN_VALUE. For now, to be safe, we define it here. */
|
||||
|
||||
#define PROMOTE_RETURN_VALUE(val, func_type) \
|
||||
do { \
|
||||
if (func_type) \
|
||||
val = value_cast (func_type, val); \
|
||||
if ((TYPE_CODE (VALUE_TYPE (val)) == TYPE_CODE_INT \
|
||||
|| TYPE_CODE (VALUE_TYPE (val)) == TYPE_CODE_ENUM) \
|
||||
&& TYPE_LENGTH (VALUE_TYPE (val)) < REGISTER_RAW_SIZE (0)) \
|
||||
val = value_cast (builtin_type_int, val); \
|
||||
} while (0)
|
||||
|
||||
extern int vx29k_frame_chain_valid (CORE_ADDR, struct frame_info *);
|
||||
#define FRAME_CHAIN_VALID(chain, thisframe) vx29k_frame_chain_valid (chain, thisframe)
|
||||
|
||||
extern CORE_ADDR frame_saved_call_site ();
|
||||
|
||||
#undef PREPARE_TO_INIT_FRAME_INFO
|
||||
#define PREPARE_TO_INIT_FRAME_INFO(fci) do { \
|
||||
long current_msp = read_register (MSP_REGNUM); \
|
||||
if (PC_IN_CALL_DUMMY (fci->pc, current_msp, 0)) \
|
||||
{ \
|
||||
fci->rsize = DUMMY_FRAME_RSIZE; \
|
||||
fci->msize = 0; \
|
||||
fci->saved_msp = \
|
||||
read_register_stack_integer (fci->frame + DUMMY_FRAME_RSIZE - 4, 4); \
|
||||
fci->flags |= (TRANSPARENT|MFP_USED); \
|
||||
return; \
|
||||
} \
|
||||
} while (0)
|
||||
/* OBSOLETE /* Target machine description for VxWorks on the 29k, for GDB, the GNU debugger. */
|
||||
/* OBSOLETE Copyright 1994, 1995, 1998, 1999, 2000 Free Software Foundation, Inc. */
|
||||
/* OBSOLETE Contributed by Cygnus Support. */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE This file is part of GDB. */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE This program is free software; you can redistribute it and/or modify */
|
||||
/* OBSOLETE it under the terms of the GNU General Public License as published by */
|
||||
/* OBSOLETE the Free Software Foundation; either version 2 of the License, or */
|
||||
/* OBSOLETE (at your option) any later version. */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE This program is distributed in the hope that it will be useful, */
|
||||
/* OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of */
|
||||
/* OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */
|
||||
/* OBSOLETE GNU General Public License for more details. */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE You should have received a copy of the GNU General Public License */
|
||||
/* OBSOLETE along with this program; if not, write to the Free Software */
|
||||
/* OBSOLETE Foundation, Inc., 59 Temple Place - Suite 330, */
|
||||
/* OBSOLETE Boston, MA 02111-1307, USA. */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE #include "regcache.h" */
|
||||
/* OBSOLETE #include "value.h" */
|
||||
/* OBSOLETE #include "a29k/tm-a29k.h" */
|
||||
/* OBSOLETE #include "tm-vxworks.h" */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* Number of registers in a ptrace_getregs call. */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE #define VX_NUM_REGS (NUM_REGS) */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* Number of registers in a ptrace_getfpregs call. */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* #define VX_SIZE_FPREGS */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* This is almost certainly the wrong place for this: */ */
|
||||
/* OBSOLETE #define LR2_REGNUM 34 */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* Vxworks has its own CALL_DUMMY since it manages breakpoints in the kernel */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE #undef CALL_DUMMY */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* Replace the breakpoint instruction in the CALL_DUMMY with a nop. */
|
||||
/* OBSOLETE For Vxworks, the breakpoint is set and deleted by calls to */
|
||||
/* OBSOLETE CALL_DUMMY_BREAK_SET and CALL_DUMMY_BREAK_DELETE. */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE #error "This file is broken. GDB does not define HOST_BYTE_ORDER." */
|
||||
/* OBSOLETE #if TARGET_BYTE_ORDER == HOST_BYTE_ORDER */
|
||||
/* OBSOLETE #define CALL_DUMMY {0x0400870f,\ */
|
||||
/* OBSOLETE 0x36008200|(MSP_HW_REGNUM), \ */
|
||||
/* OBSOLETE 0x15000040|(MSP_HW_REGNUM<<8)|(MSP_HW_REGNUM<<16), \ */
|
||||
/* OBSOLETE 0x03ff80ff, 0x02ff80ff, 0xc8008080, 0x70400101, 0x70400101} */
|
||||
/* OBSOLETE #else /* Byte order differs. */ */
|
||||
/* OBSOLETE #define CALL_DUMMY {0x0f870004,\ */
|
||||
/* OBSOLETE 0x00820036|(MSP_HW_REGNUM << 24), \ */
|
||||
/* OBSOLETE 0x40000015|(MSP_HW_REGNUM<<8)|(MSP_HW_REGNUM<<16), \ */
|
||||
/* OBSOLETE 0xff80ff03, 0xff80ff02, 0x808000c8, 0x01014070, 0x01014070} */
|
||||
/* OBSOLETE #endif /* Byte order differs. */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* For the basic CALL_DUMMY definitions, see "tm-29k.h." We use the */
|
||||
/* OBSOLETE same CALL_DUMMY code, but define FIX_CALL_DUMMY (and related macros) */
|
||||
/* OBSOLETE locally to handle remote debugging of VxWorks targets. The difference */
|
||||
/* OBSOLETE is in the setting and clearing of the breakpoint at the end of the */
|
||||
/* OBSOLETE CALL_DUMMY code fragment; under VxWorks, we can't simply insert a */
|
||||
/* OBSOLETE breakpoint instruction into the code, since that would interfere with */
|
||||
/* OBSOLETE the breakpoint management mechanism on the target. */
|
||||
/* OBSOLETE Note that CALL_DUMMY is a piece of code that is used to call any C function */
|
||||
/* OBSOLETE thru VxGDB */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* The offset of the instruction within the CALL_DUMMY code where we */
|
||||
/* OBSOLETE want the inferior to stop after the function call has completed. */
|
||||
/* OBSOLETE call_function_by_hand () sets a breakpoint here (via CALL_DUMMY_BREAK_SET), */
|
||||
/* OBSOLETE which POP_FRAME later deletes (via CALL_DUMMY_BREAK_DELETE). */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE #define CALL_DUMMY_STOP_OFFSET (7 * 4) */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* The offset of the first instruction of the CALL_DUMMY code fragment */
|
||||
/* OBSOLETE relative to the frame pointer for a dummy frame. This is equal to */
|
||||
/* OBSOLETE the size of the CALL_DUMMY plus the arg_slop area size (see the diagram */
|
||||
/* OBSOLETE in "tm-29k.h"). */ */
|
||||
/* OBSOLETE /* PAD : the arg_slop area size doesn't appear to me to be useful since, the */
|
||||
/* OBSOLETE call dummy code no longer modify the msp. See below. This must be checked. */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE #define CALL_DUMMY_OFFSET_IN_FRAME (CALL_DUMMY_LENGTH + 16 * 4) */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* Insert the specified number of args and function address */
|
||||
/* OBSOLETE into a CALL_DUMMY sequence stored at DUMMYNAME, replace the third */
|
||||
/* OBSOLETE instruction (add msp, msp, 16*4) with a nop, and leave the final nop. */
|
||||
/* OBSOLETE We can't keep using a CALL_DUMMY that modify the msp since, for VxWorks, */
|
||||
/* OBSOLETE CALL_DUMMY is stored in the Memory Stack. Adding 16 words to the msp */
|
||||
/* OBSOLETE would then make possible for the inferior to overwrite the CALL_DUMMY code, */
|
||||
/* OBSOLETE thus creating a lot of trouble when exiting the inferior to come back in */
|
||||
/* OBSOLETE a CALL_DUMMY code that no longer exists... Furthermore, ESF are also stored */
|
||||
/* OBSOLETE from the msp in the memory stack. If msp is set higher than the dummy code, */
|
||||
/* OBSOLETE an ESF may clobber this code. */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE #if TARGET_BYTE_ORDER == BFD_ENDIAN_BIG */
|
||||
/* OBSOLETE #define NOP_INSTR 0x70400101 */
|
||||
/* OBSOLETE #else /* Target is little endian */ */
|
||||
/* OBSOLETE #define NOP_INSTR 0x01014070 */
|
||||
/* OBSOLETE #endif */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE #undef FIX_CALL_DUMMY */
|
||||
/* OBSOLETE #define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \ */
|
||||
/* OBSOLETE { \ */
|
||||
/* OBSOLETE *(int *)((char *)dummyname + 8) = NOP_INSTR; \ */
|
||||
/* OBSOLETE STUFF_I16((char *)dummyname + CONST_INSN, fun); \ */
|
||||
/* OBSOLETE STUFF_I16((char *)dummyname + CONST_INSN + 4, fun >> 16); \ */
|
||||
/* OBSOLETE } */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* For VxWorks, CALL_DUMMY must be stored in the stack of the task that is */
|
||||
/* OBSOLETE being debugged and executed "in the context of" this task */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE #undef CALL_DUMMY_LOCATION */
|
||||
/* OBSOLETE #define CALL_DUMMY_LOCATION ON_STACK */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* Set or delete a breakpoint at the location within a CALL_DUMMY code */
|
||||
/* OBSOLETE fragment where we want the target program to stop after the function */
|
||||
/* OBSOLETE call is complete. CALL_DUMMY_ADDR is the address of the first */
|
||||
/* OBSOLETE instruction in the CALL_DUMMY. DUMMY_FRAME_ADDR is the value of the */
|
||||
/* OBSOLETE frame pointer in the dummy frame. */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE NOTE: in the both of the following definitions, we take advantage of */
|
||||
/* OBSOLETE knowledge of the implementation of the target breakpoint operation, */
|
||||
/* OBSOLETE in that we pass a null pointer as the second argument. It seems */
|
||||
/* OBSOLETE reasonable to assume that any target requiring the use of */
|
||||
/* OBSOLETE CALL_DUMMY_BREAK_{SET,DELETE} will not store the breakpoint */
|
||||
/* OBSOLETE shadow contents in GDB; in any case, this assumption is vaild */
|
||||
/* OBSOLETE for all VxWorks-related targets. */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE #define CALL_DUMMY_BREAK_SET(call_dummy_addr) \ */
|
||||
/* OBSOLETE target_insert_breakpoint ((call_dummy_addr) + CALL_DUMMY_STOP_OFFSET, \ */
|
||||
/* OBSOLETE (char *) 0) */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE #define CALL_DUMMY_BREAK_DELETE(dummy_frame_addr) \ */
|
||||
/* OBSOLETE target_remove_breakpoint ((dummy_frame_addr) - (CALL_DUMMY_OFFSET_IN_FRAME \ */
|
||||
/* OBSOLETE - CALL_DUMMY_STOP_OFFSET), \ */
|
||||
/* OBSOLETE (char *) 0) */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* Return nonzero if the pc is executing within a CALL_DUMMY frame. */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE #define PC_IN_CALL_DUMMY(pc, sp, frame_address) \ */
|
||||
/* OBSOLETE ((pc) >= (sp) \ */
|
||||
/* OBSOLETE && (pc) <= (sp) + CALL_DUMMY_OFFSET_IN_FRAME + CALL_DUMMY_LENGTH) */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* Defining this prevents us from trying to pass a structure-valued argument */
|
||||
/* OBSOLETE to a function called via the CALL_DUMMY mechanism. This is not handled */
|
||||
/* OBSOLETE properly in call_function_by_hand (), and the fix might require re-writing */
|
||||
/* OBSOLETE the CALL_DUMMY handling for all targets (at least, a clean solution */
|
||||
/* OBSOLETE would probably require this). Arguably, this should go in "tm-29k.h" */
|
||||
/* OBSOLETE rather than here. */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE #define STRUCT_VAL_ARGS_UNSUPPORTED */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE #define BKPT_OFFSET (7 * 4) */
|
||||
/* OBSOLETE #define BKPT_INSTR 0x72500101 */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE #undef FIX_CALL_DUMMY */
|
||||
/* OBSOLETE #define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \ */
|
||||
/* OBSOLETE {\ */
|
||||
/* OBSOLETE STUFF_I16((char *)dummyname + CONST_INSN, fun);\ */
|
||||
/* OBSOLETE STUFF_I16((char *)dummyname + CONST_INSN + 4, fun >> 16);\ */
|
||||
/* OBSOLETE *(int *)((char *)dummyname + BKPT_OFFSET) = BKPT_INSTR;\ */
|
||||
/* OBSOLETE } */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* Offsets into jmp_buf. They are derived from VxWorks' REG_SET struct */
|
||||
/* OBSOLETE (see VxWorks' setjmp.h). Note that Sun2, Sun3 and SunOS4 and VxWorks have */
|
||||
/* OBSOLETE different REG_SET structs, hence different layouts for the jmp_buf struct. */
|
||||
/* OBSOLETE Only JB_PC is needed for getting the saved PC value. */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE #define JB_ELEMENT_SIZE 4 /* size of each element in jmp_buf */ */
|
||||
/* OBSOLETE #define JB_PC 3 /* offset of pc (pc1) in jmp_buf */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* Figure out where the longjmp will land. We expect that we have just entered */
|
||||
/* OBSOLETE longjmp and haven't yet setup the stack frame, so the args are still in the */
|
||||
/* OBSOLETE output regs. lr2 (LR2_REGNUM) points at the jmp_buf structure from which we */
|
||||
/* OBSOLETE extract the pc (JB_PC) that we will land at. The pc is copied into ADDR. */
|
||||
/* OBSOLETE This routine returns true on success */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE #define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR) */
|
||||
/* OBSOLETE extern int get_longjmp_target (CORE_ADDR *); */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* VxWorks adjusts the PC after a breakpoint has been hit. */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE #undef DECR_PC_AFTER_BREAK */
|
||||
/* OBSOLETE #define DECR_PC_AFTER_BREAK 0 */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* Do whatever promotions are appropriate on a value being returned */
|
||||
/* OBSOLETE from a function. VAL is the user-supplied value, and FUNC_TYPE */
|
||||
/* OBSOLETE is the return type of the function if known, else 0. */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE For the Am29k, as far as I understand, if the function return type is known, */
|
||||
/* OBSOLETE cast the value to that type; otherwise, ensure that integer return values */
|
||||
/* OBSOLETE fill all of gr96. */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE This definition really belongs in "tm-29k.h", since it applies */
|
||||
/* OBSOLETE to most Am29K-based systems; but once moved into that file, it might */
|
||||
/* OBSOLETE need to be redefined for all Am29K-based targets that also redefine */
|
||||
/* OBSOLETE STORE_RETURN_VALUE. For now, to be safe, we define it here. */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE #define PROMOTE_RETURN_VALUE(val, func_type) \ */
|
||||
/* OBSOLETE do { \ */
|
||||
/* OBSOLETE if (func_type) \ */
|
||||
/* OBSOLETE val = value_cast (func_type, val); \ */
|
||||
/* OBSOLETE if ((TYPE_CODE (VALUE_TYPE (val)) == TYPE_CODE_INT \ */
|
||||
/* OBSOLETE || TYPE_CODE (VALUE_TYPE (val)) == TYPE_CODE_ENUM) \ */
|
||||
/* OBSOLETE && TYPE_LENGTH (VALUE_TYPE (val)) < REGISTER_RAW_SIZE (0)) \ */
|
||||
/* OBSOLETE val = value_cast (builtin_type_int, val); \ */
|
||||
/* OBSOLETE } while (0) */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE extern int vx29k_frame_chain_valid (CORE_ADDR, struct frame_info *); */
|
||||
/* OBSOLETE #define FRAME_CHAIN_VALID(chain, thisframe) vx29k_frame_chain_valid (chain, thisframe) */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE extern CORE_ADDR frame_saved_call_site (); */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE #undef PREPARE_TO_INIT_FRAME_INFO */
|
||||
/* OBSOLETE #define PREPARE_TO_INIT_FRAME_INFO(fci) do { \ */
|
||||
/* OBSOLETE long current_msp = read_register (MSP_REGNUM); \ */
|
||||
/* OBSOLETE if (PC_IN_CALL_DUMMY (fci->pc, current_msp, 0)) \ */
|
||||
/* OBSOLETE { \ */
|
||||
/* OBSOLETE fci->rsize = DUMMY_FRAME_RSIZE; \ */
|
||||
/* OBSOLETE fci->msize = 0; \ */
|
||||
/* OBSOLETE fci->saved_msp = \ */
|
||||
/* OBSOLETE read_register_stack_integer (fci->frame + DUMMY_FRAME_RSIZE - 4, 4); \ */
|
||||
/* OBSOLETE fci->flags |= (TRANSPARENT|MFP_USED); \ */
|
||||
/* OBSOLETE return; \ */
|
||||
/* OBSOLETE } \ */
|
||||
/* OBSOLETE } while (0) */
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
# Target: AMD 29k running VxWorks
|
||||
TDEPFILES= a29k-tdep.o remote-vx.o remote-vx29k.o xdr_ld.o xdr_ptrace.o xdr_rdb.o
|
||||
TM_FILE= tm-vx29k.h
|
||||
MT_CFLAGS = -DNO_HIF_SUPPORT
|
||||
# OBSOLETE # Target: AMD 29k running VxWorks
|
||||
# OBSOLETE TDEPFILES= a29k-tdep.o remote-vx.o remote-vx29k.o xdr_ld.o xdr_ptrace.o xdr_rdb.o
|
||||
# OBSOLETE TM_FILE= tm-vx29k.h
|
||||
# OBSOLETE MT_CFLAGS = -DNO_HIF_SUPPORT
|
||||
|
||||
3048
gdb/remote-adapt.c
3048
gdb/remote-adapt.c
File diff suppressed because it is too large
Load Diff
2176
gdb/remote-eb.c
2176
gdb/remote-eb.c
File diff suppressed because it is too large
Load Diff
3696
gdb/remote-mm.c
3696
gdb/remote-mm.c
File diff suppressed because it is too large
Load Diff
3444
gdb/remote-udi.c
3444
gdb/remote-udi.c
File diff suppressed because it is too large
Load Diff
Loading…
Reference in New Issue
Block a user