Delete tic80 target.
This commit is contained in:
Andrew Cagney
parent
6654b4ae11
commit
e2caac1894
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@ -1,3 +1,13 @@
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2001-12-01 Andrew Cagney <ac131313@redhat.com>
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* NEWS: Mention deleted tic80-*-*.
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* configure.tgt: Delete tic80-*-*.
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* Makefile.in (tic80-tdep.o): Delete.
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* config/tic80/tic80.mt: Delete.
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* config/tic80/tm-tic80.h: Delete.
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* tic80-tdep.c: Delete.
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* MAINTAINERS: Note that tic80 was deleted.
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2001-11-30 Kevin Buettner <kevinb@redhat.com>
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* ppc-linux-tdep.c (solib-svr4.h): Include.
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@ -2088,8 +2088,6 @@ linespec.o: linespec.c $(linespec_h) $(defs_h) $(frame_h) $(value_h) \
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$(objfiles_h) $(symfile_h) $(completer_h) $(symtab_h) \
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$(demangle_h) $(command_h) $(cp_abi_h)
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tic80-tdep.o: tic80-tdep.c $(defs_h) $(regcache_h)
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target.o: target.c $(bfd_h) $(defs_h) $(gdbcmd_h) $(inferior_h) \
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$(objfiles_h) $(symfile_h) $(target_h) $(gdb_string_h) $(regcache_h)
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4
gdb/NEWS
4
gdb/NEWS
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@ -7,6 +7,10 @@
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x86 OpenBSD i[3456]86-*-openbsd*
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* REMOVED configurations and files
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TI TMS320C80 tic80-*-*
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* Changes to command line processing
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The new `--args' feature can be used to specify command-line arguments
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@ -1,7 +0,0 @@
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# OBSOLETE # Target: TI TMS320C80 (MVP) processor
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# OBSOLETE TDEPFILES= tic80-tdep.o
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# OBSOLETE TM_FILE= tm-tic80.h
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# OBSOLETE SIM_OBS = remote-sim.o
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# OBSOLETE SIM = ../sim/tic80/libsim.a
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# OBSOLETE GDBSERVER_DEPFILES= low-sim.o
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# OBSOLETE GDBSERVER_LIBS = ../../sim/tic80/libsim.a ../../bfd/libbfd.a ../../libiberty/libiberty.a -lm ../../intl/libintl.a
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@ -1,255 +0,0 @@
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/* OBSOLETE /* Parameters for execution on a TI TMS320C80 (MVP) processor. */
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/* OBSOLETE Copyright 1997, 1999, 2000 */
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/* OBSOLETE Free Software Foundation, Inc. */
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/* OBSOLETE */
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/* OBSOLETE This file is part of GDB. */
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/* OBSOLETE */
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/* OBSOLETE This program is free software; you can redistribute it and/or modify */
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/* OBSOLETE it under the terms of the GNU General Public License as published by */
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/* OBSOLETE the Free Software Foundation; either version 2 of the License, or */
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/* OBSOLETE (at your option) any later version. */
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/* OBSOLETE */
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/* OBSOLETE This program is distributed in the hope that it will be useful, */
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/* OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of */
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/* OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */
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/* OBSOLETE GNU General Public License for more details. */
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/* OBSOLETE */
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/* OBSOLETE You should have received a copy of the GNU General Public License */
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/* OBSOLETE along with this program; if not, write to the Free Software */
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/* OBSOLETE Foundation, Inc., 59 Temple Place - Suite 330, */
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/* OBSOLETE Boston, MA 02111-1307, USA. */ */
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/* OBSOLETE */
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/* OBSOLETE #ifndef TM_TIC80_H */
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/* OBSOLETE #define TM_TIC80_H */
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/* OBSOLETE */
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/* OBSOLETE #include "regcache.h" */
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/* OBSOLETE */
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/* OBSOLETE /* Forward declare structs used in prototypes */ */
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/* OBSOLETE struct frame_info; */
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/* OBSOLETE struct type; */
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/* OBSOLETE struct value; */
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/* OBSOLETE struct symbol; */
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/* OBSOLETE struct frame_saved_regs; */
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/* OBSOLETE */
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/* OBSOLETE #define TARGET_BYTE_ORDER LITTLE_ENDIAN */
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/* OBSOLETE */
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/* OBSOLETE #define NUM_REGS 38 */
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/* OBSOLETE */
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/* OBSOLETE #define REGISTER_NAMES \ */
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/* OBSOLETE { "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \ */
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/* OBSOLETE "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", \ */
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/* OBSOLETE "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23", \ */
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/* OBSOLETE "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31", \ */
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/* OBSOLETE "pc", "npc", \ */
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/* OBSOLETE "a0", "a1", "a2", "a3", \ */
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/* OBSOLETE } */
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/* OBSOLETE */
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/* OBSOLETE /* Various dedicated register numbers */
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/* OBSOLETE FIXME: Shadow updates in sim/tic80/sim-calls.c */ */
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/* OBSOLETE */
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/* OBSOLETE #define SP_REGNUM 1 /* Contains address of top of stack */ */
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/* OBSOLETE #define ARG0_REGNUM 2 /* Contains argument 1 (r3 has high word) */ */
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/* OBSOLETE #define RET_REGNUM 2 /* Contains function return value */ */
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/* OBSOLETE #define ARGLAST_REGNUM 12 /* Contains argument 6 (r13 has high word) */ */
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/* OBSOLETE #define FP_REGNUM 30 /* Contains address of executing stack frame */ */
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/* OBSOLETE #define LR_REGNUM 31 /* Contains address of caller (link register) */ */
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/* OBSOLETE #define PC_REGNUM 32 /* Contains program counter (FIXME?) */ */
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/* OBSOLETE #define NPC_REGNUM 33 /* Contains the next program counter (FIXME?) */ */
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/* OBSOLETE #define A0_REGNUM 34 /* Accumulator register 0 */ */
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/* OBSOLETE #define A3_REGNUM 37 /* Accumulator register 1 */ */
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/* OBSOLETE */
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/* OBSOLETE #define R0_REGNUM 0 /* General Purpose Register 0 - for sim */ */
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/* OBSOLETE #define Rn_REGNUM 31 /* Last General Purpose Register - for sim */ */
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/* OBSOLETE #define An_REGNUM A3_REGNUM /* Last Accumulator register - for sim */ */
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/* OBSOLETE */
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/* OBSOLETE /* Total amount of space needed to store our copies of the machine's */
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/* OBSOLETE register state, the array `registers'. */ */
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/* OBSOLETE */
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/* OBSOLETE #define REGISTER_BYTES (((NUM_REGS - 4) * 4) + (4 * 8)) */
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/* OBSOLETE */
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/* OBSOLETE /* Index within `registers' of the first byte of the space for */
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/* OBSOLETE register N. */ */
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/* OBSOLETE */
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/* OBSOLETE #define REGISTER_BYTE(N) \ */
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/* OBSOLETE (((N) >= A0_REGNUM) ? (((N) - A0_REGNUM) * 8 + A0_REGNUM * 4) : ((N) * 4)) */
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/* OBSOLETE */
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/* OBSOLETE /* Most registers are 4 bytes */ */
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/* OBSOLETE */
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/* OBSOLETE #define REGISTER_SIZE 4 */
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/* OBSOLETE */
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/* OBSOLETE /* Some registers are 8 bytes. */ */
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/* OBSOLETE */
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/* OBSOLETE #define REGISTER_RAW_SIZE(N) \ */
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/* OBSOLETE (((N) >= A0_REGNUM) ? 8 : 4) */
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/* OBSOLETE */
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/* OBSOLETE /* Largest value REGISTER_RAW_SIZE can have. */ */
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/* OBSOLETE */
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/* OBSOLETE #define MAX_REGISTER_RAW_SIZE (8) */
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/* OBSOLETE */
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/* OBSOLETE /* All regs are 4 bytes. */ */
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/* OBSOLETE */
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/* OBSOLETE #define REGISTER_VIRTUAL_SIZE(N) (REGISTER_RAW_SIZE(N)) */
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/* OBSOLETE */
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/* OBSOLETE /* Largest value REGISTER_VIRTUAL_SIZE can have. */ */
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/* OBSOLETE */
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/* OBSOLETE #define MAX_REGISTER_VIRTUAL_SIZE (MAX_REGISTER_RAW_SIZE) */
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/* OBSOLETE */
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/* OBSOLETE /* Return the GDB type object for the "standard" data type */
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/* OBSOLETE of data in register N. */ */
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/* OBSOLETE */
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/* OBSOLETE #define REGISTER_VIRTUAL_TYPE(N) /* FIXME? */ \ */
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/* OBSOLETE (((N) >= A0_REGNUM) ? builtin_type_float : builtin_type_int) */
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/* OBSOLETE */
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/* OBSOLETE /* Offset from address of function to start of its code. */
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/* OBSOLETE Zero on most machines. */ */
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/* OBSOLETE */
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/* OBSOLETE #define FUNCTION_START_OFFSET 0 */
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/* OBSOLETE */
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/* OBSOLETE /* Stack grows downward. */ */
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/* OBSOLETE */
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/* OBSOLETE #define INNER_THAN(lhs,rhs) ((lhs) < (rhs)) */
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/* OBSOLETE */
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/* OBSOLETE /* Sequence of bytes for breakpoint instruction. */
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/* OBSOLETE This is padded out to the size of a machine word. */ */
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/* OBSOLETE */
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/* OBSOLETE #define BREAKPOINT {0x49, 0x80, 0x00, 0x00} /* FIXME! */ */
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/* OBSOLETE */
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/* OBSOLETE /* Amount PC must be decremented by after a breakpoint. */
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/* OBSOLETE This is often the number of bytes in BREAKPOINT */
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/* OBSOLETE but not always. */ */
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/* OBSOLETE */
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/* OBSOLETE #define DECR_PC_AFTER_BREAK 0 /* FIXME! */ */
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/* OBSOLETE */
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/* OBSOLETE /* Discard from the stack the innermost frame, restoring all registers. */ */
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/* OBSOLETE */
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/* OBSOLETE #define POP_FRAME tic80_pop_frame(get_current_frame ()) */
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/* OBSOLETE extern struct frame_info *tic80_pop_frame (struct frame_info *frame); */
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/* OBSOLETE */
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/* OBSOLETE /* Return number of bytes at start of arglist that are not really args. */ */
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/* OBSOLETE */
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/* OBSOLETE #define FRAME_ARGS_SKIP 0 */
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/* OBSOLETE */
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/* OBSOLETE /* Set VAL to the number of args passed to frame described by FI. */
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/* OBSOLETE Can set VAL to -1, meaning no way to tell. */ */
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/* OBSOLETE /* We can't tell how many args there are */ */
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/* OBSOLETE */
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/* OBSOLETE #define FRAME_NUM_ARGS(fi) (-1) */
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/* OBSOLETE */
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/* OBSOLETE #define FRAME_ARGS_SKIP 0 */
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/* OBSOLETE #define FRAME_ARGS_ADDRESS(fi) (fi)->frame */
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/* OBSOLETE #define FRAME_LOCALS_ADDRESS(fi) (fi)->frame */
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/* OBSOLETE */
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/* OBSOLETE /* Define other aspects of the stack frame. */
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/* OBSOLETE We keep the offsets of all saved registers, 'cause we need 'em a lot! */
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/* OBSOLETE We also keep the current size of the stack frame, and the offset of */
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/* OBSOLETE the frame pointer from the stack pointer (for frameless functions, and */
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/* OBSOLETE when we're still in the prologue of a function with a frame) */ */
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/* OBSOLETE */
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/* OBSOLETE #define EXTRA_FRAME_INFO \ */
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/* OBSOLETE struct frame_saved_regs fsr; \ */
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/* OBSOLETE int framesize; \ */
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/* OBSOLETE int frameoffset; \ */
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/* OBSOLETE int framereg; */
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/* OBSOLETE */
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/* OBSOLETE extern void tic80_init_extra_frame_info (struct frame_info *fi); */
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/* OBSOLETE #define INIT_EXTRA_FRAME_INFO(fromleaf, fi) tic80_init_extra_frame_info (fi) */
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/* OBSOLETE #define INIT_FRAME_PC /* Not necessary */ */
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/* OBSOLETE */
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/* OBSOLETE /* Put here the code to store, into a struct frame_saved_regs, */
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/* OBSOLETE the addresses of the saved registers of frame described by FRAME_INFO. */
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/* OBSOLETE This includes special registers such as pc and fp saved in special */
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/* OBSOLETE ways in the stack frame. sp is even more special: */
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/* OBSOLETE the address we return for it IS the sp for the next frame. */ */
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/* OBSOLETE */
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/* OBSOLETE #define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \ */
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/* OBSOLETE tic80_frame_find_saved_regs(frame_info, &(frame_saved_regs)) */
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/* OBSOLETE extern void tic80_frame_find_saved_regs (struct frame_info *, */
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/* OBSOLETE struct frame_saved_regs *); */
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/* OBSOLETE */
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/* OBSOLETE /* Advance PC across any function entry prologue instructions */
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/* OBSOLETE to reach some "real" code. */ */
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/* OBSOLETE */
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/* OBSOLETE #define SKIP_PROLOGUE(pc) (tic80_skip_prologue (pc)) */
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/* OBSOLETE extern CORE_ADDR tic80_skip_prologue (CORE_ADDR pc); */
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/* OBSOLETE */
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/* OBSOLETE /* Immediately after a function call, return the saved pc. */
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/* OBSOLETE Can't always go through the frames for this because on some machines */
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/* OBSOLETE the new frame is not set up until the new function executes */
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/* OBSOLETE some instructions. */ */
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/* OBSOLETE */
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/* OBSOLETE #define SAVED_PC_AFTER_CALL(frame) read_register (LR_REGNUM) */
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/* OBSOLETE */
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/* OBSOLETE /* Describe the pointer in each stack frame to the previous stack frame */
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/* OBSOLETE (its caller). */ */
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/* OBSOLETE */
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/* OBSOLETE /* FRAME_CHAIN takes a frame's nominal address */
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/* OBSOLETE and produces the frame's chain-pointer. */ */
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/* OBSOLETE */
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/* OBSOLETE #define FRAME_CHAIN(thisframe) (CORE_ADDR) tic80_frame_chain (thisframe) */
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/* OBSOLETE extern CORE_ADDR tic80_frame_chain (struct frame_info *); */
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/* OBSOLETE */
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/* OBSOLETE #define FRAME_SAVED_PC(FRAME) tic80_frame_saved_pc (FRAME) */
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/* OBSOLETE extern CORE_ADDR tic80_frame_saved_pc (struct frame_info *); */
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/* OBSOLETE */
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/* OBSOLETE /* Store the address of the place in which to copy the structure the */
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/* OBSOLETE subroutine will return. This is called from call_function. */
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/* OBSOLETE */
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/* OBSOLETE We store structs through a pointer passed in R2 */ */
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/* OBSOLETE */
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/* OBSOLETE #define STORE_STRUCT_RETURN(STRUCT_ADDR, SP) \ */
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/* OBSOLETE write_register (ARG0_REGNUM, STRUCT_ADDR) */
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/* OBSOLETE */
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/* OBSOLETE /* Extract from an array REGBUF containing the (raw) register state */
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/* OBSOLETE a function return value of type TYPE, and copy that, in virtual format, */
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/* OBSOLETE into VALBUF. */ */
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/* OBSOLETE */
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/* OBSOLETE #define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ */
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/* OBSOLETE memcpy ((VALBUF), \ */
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/* OBSOLETE (char *)(REGBUF) + REGISTER_BYTE (RET_REGNUM) + \ */
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/* OBSOLETE ((TYPE_LENGTH (TYPE) > 4 ? 8 : 4) - TYPE_LENGTH (TYPE)), \ */
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/* OBSOLETE TYPE_LENGTH (TYPE)) */
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/* OBSOLETE */
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/* OBSOLETE /* Write into appropriate registers a function return value */
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/* OBSOLETE of type TYPE, given in virtual format. */ */
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/* OBSOLETE */
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/* OBSOLETE #define STORE_RETURN_VALUE(TYPE,VALBUF) \ */
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/* OBSOLETE write_register_bytes(REGISTER_BYTE (RET_REGNUM) + \ */
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/* OBSOLETE ((TYPE_LENGTH (TYPE) > 4 ? 8:4) - TYPE_LENGTH (TYPE)),\ */
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/* OBSOLETE (VALBUF), TYPE_LENGTH (TYPE)); */
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/* OBSOLETE */
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/* OBSOLETE */
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/* OBSOLETE */
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/* OBSOLETE /* PUSH_ARGUMENTS */ */
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/* OBSOLETE extern CORE_ADDR tic80_push_arguments (int nargs, */
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/* OBSOLETE struct value **args, */
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/* OBSOLETE CORE_ADDR sp, */
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/* OBSOLETE unsigned char struct_return, */
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/* OBSOLETE CORE_ADDR struct_addr); */
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/* OBSOLETE */
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/* OBSOLETE #define PUSH_ARGUMENTS(NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR) \ */
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/* OBSOLETE (tic80_push_arguments (NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR)) */
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/* OBSOLETE */
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/* OBSOLETE /* PUSH_RETURN_ADDRESS */ */
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/* OBSOLETE extern CORE_ADDR tic80_push_return_address (CORE_ADDR, CORE_ADDR); */
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/* OBSOLETE #define PUSH_RETURN_ADDRESS(PC, SP) tic80_push_return_address (PC, SP) */
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/* OBSOLETE */
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/* OBSOLETE /* override the standard get_saved_register function with */
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/* OBSOLETE one that takes account of generic CALL_DUMMY frames */ */
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/* OBSOLETE #define GET_SAVED_REGISTER(raw_buffer, optimized, addrp, frame, regnum, lval) \ */
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/* OBSOLETE generic_get_saved_register (raw_buffer, optimized, addrp, frame, regnum, lval) */
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/* OBSOLETE */
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/* OBSOLETE #define USE_GENERIC_DUMMY_FRAMES 1 */
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/* OBSOLETE #define CALL_DUMMY {0} */
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/* OBSOLETE #define CALL_DUMMY_LENGTH (0) */
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/* OBSOLETE #define CALL_DUMMY_START_OFFSET (0) */
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/* OBSOLETE #define CALL_DUMMY_BREAKPOINT_OFFSET (0) */
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/* OBSOLETE #define FIX_CALL_DUMMY(DUMMY1, STARTADDR, FUNADDR, NARGS, ARGS, TYPE, GCCP) */
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/* OBSOLETE #define CALL_DUMMY_LOCATION AT_ENTRY_POINT */
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/* OBSOLETE #define CALL_DUMMY_ADDRESS() entry_point_address () */
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/* OBSOLETE */
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/* OBSOLETE /* generic dummy frame stuff */ */
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/* OBSOLETE */
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/* OBSOLETE #define PUSH_DUMMY_FRAME generic_push_dummy_frame () */
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/* OBSOLETE #define PC_IN_CALL_DUMMY(PC, SP, FP) generic_pc_in_call_dummy (PC, SP, FP) */
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/* OBSOLETE */
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/* OBSOLETE #endif /* TM_TIC80_H */ */
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@ -296,9 +296,6 @@ sparc86x-*-*) gdb_target=sparclite ;;
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sparc64-*-linux*) gdb_target=sp64linux ;;
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sparc64-*-*) gdb_target=sp64 ;;
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# OBSOLETE tic80-*-*) gdb_target=tic80
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# OBSOLETE configdirs="${configdirs} gdbserver" ;;
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vax-*-*) gdb_target=vax ;;
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fr30-*-*) gdb_target=fr30
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468
gdb/tic80-tdep.c
468
gdb/tic80-tdep.c
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@ -1,468 +0,0 @@
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/* OBSOLETE /* Target-dependent code for the TI TMS320C80 (MVP) for GDB, the GNU debugger. */
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/* OBSOLETE Copyright 1996, 1997, 1999, 2000, 2001 Free Software Foundation, Inc. */
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/* OBSOLETE */
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||||
/* OBSOLETE This file is part of GDB. */
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/* OBSOLETE */
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/* OBSOLETE This program is free software; you can redistribute it and/or modify */
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/* 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 */
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/* OBSOLETE (at your option) any later version. */
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||||
/* OBSOLETE */
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||||
/* OBSOLETE This program is distributed in the hope that it will be useful, */
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/* OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of */
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/* OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */
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||||
/* OBSOLETE GNU General Public License for more details. */
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/* 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 "defs.h" */
|
||||
/* OBSOLETE #include "value.h" */
|
||||
/* OBSOLETE #include "frame.h" */
|
||||
/* OBSOLETE #include "inferior.h" */
|
||||
/* OBSOLETE #include "obstack.h" */
|
||||
/* OBSOLETE #include "target.h" */
|
||||
/* OBSOLETE #include "bfd.h" */
|
||||
/* OBSOLETE #include "gdb_string.h" */
|
||||
/* OBSOLETE #include "gdbcore.h" */
|
||||
/* OBSOLETE #include "symfile.h" */
|
||||
/* OBSOLETE #include "regcache.h" */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* Function: frame_find_saved_regs */
|
||||
/* OBSOLETE Return the frame_saved_regs structure for the frame. */
|
||||
/* OBSOLETE Doesn't really work for dummy frames, but it does pass back */
|
||||
/* OBSOLETE an empty frame_saved_regs, so I guess that's better than total failure */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE void */
|
||||
/* OBSOLETE tic80_frame_find_saved_regs (struct frame_info *fi, */
|
||||
/* OBSOLETE struct frame_saved_regs *regaddr) */
|
||||
/* OBSOLETE { */
|
||||
/* OBSOLETE memcpy (regaddr, &fi->fsr, sizeof (struct frame_saved_regs)); */
|
||||
/* OBSOLETE } */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* Function: skip_prologue */
|
||||
/* OBSOLETE Find end of function prologue. */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE CORE_ADDR */
|
||||
/* OBSOLETE tic80_skip_prologue (CORE_ADDR pc) */
|
||||
/* OBSOLETE { */
|
||||
/* OBSOLETE CORE_ADDR func_addr, func_end; */
|
||||
/* OBSOLETE struct symtab_and_line sal; */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* See what the symbol table says */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE if (find_pc_partial_function (pc, NULL, &func_addr, &func_end)) */
|
||||
/* OBSOLETE { */
|
||||
/* OBSOLETE sal = find_pc_line (func_addr, 0); */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE if (sal.line != 0 && sal.end < func_end) */
|
||||
/* OBSOLETE return sal.end; */
|
||||
/* OBSOLETE else */
|
||||
/* OBSOLETE /* Either there's no line info, or the line after the prologue is after */
|
||||
/* OBSOLETE the end of the function. In this case, there probably isn't a */
|
||||
/* OBSOLETE prologue. */ */
|
||||
/* OBSOLETE return pc; */
|
||||
/* OBSOLETE } */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* We can't find the start of this function, so there's nothing we can do. */ */
|
||||
/* OBSOLETE return pc; */
|
||||
/* OBSOLETE } */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* Function: tic80_scan_prologue */
|
||||
/* OBSOLETE This function decodes the target function prologue to determine: */
|
||||
/* OBSOLETE 1) the size of the stack frame */
|
||||
/* OBSOLETE 2) which registers are saved on it */
|
||||
/* OBSOLETE 3) the offsets of saved regs */
|
||||
/* OBSOLETE 4) the frame size */
|
||||
/* OBSOLETE This information is stored in the "extra" fields of the frame_info. */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE static void */
|
||||
/* OBSOLETE tic80_scan_prologue (struct frame_info *fi) */
|
||||
/* OBSOLETE { */
|
||||
/* OBSOLETE struct symtab_and_line sal; */
|
||||
/* OBSOLETE CORE_ADDR prologue_start, prologue_end, current_pc; */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* Assume there is no frame until proven otherwise. */ */
|
||||
/* OBSOLETE fi->framereg = SP_REGNUM; */
|
||||
/* OBSOLETE fi->framesize = 0; */
|
||||
/* OBSOLETE fi->frameoffset = 0; */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* this code essentially duplicates skip_prologue, */
|
||||
/* OBSOLETE but we need the start address below. */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE if (find_pc_partial_function (fi->pc, NULL, &prologue_start, &prologue_end)) */
|
||||
/* OBSOLETE { */
|
||||
/* OBSOLETE sal = find_pc_line (prologue_start, 0); */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE if (sal.line == 0) /* no line info, use current PC */ */
|
||||
/* OBSOLETE if (prologue_start != entry_point_address ()) */
|
||||
/* OBSOLETE prologue_end = fi->pc; */
|
||||
/* OBSOLETE else */
|
||||
/* OBSOLETE return; /* _start has no frame or prologue */ */
|
||||
/* OBSOLETE else if (sal.end < prologue_end) /* next line begins after fn end */ */
|
||||
/* OBSOLETE prologue_end = sal.end; /* (probably means no prologue) */ */
|
||||
/* OBSOLETE } */
|
||||
/* OBSOLETE else */
|
||||
/* OBSOLETE /* FIXME */ */
|
||||
/* OBSOLETE prologue_end = prologue_start + 40; /* We're in the boondocks: allow for */ */
|
||||
/* OBSOLETE /* 16 pushes, an add, and "mv fp,sp" */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE prologue_end = min (prologue_end, fi->pc); */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* Now search the prologue looking for instructions that set up the */
|
||||
/* OBSOLETE frame pointer, adjust the stack pointer, and save registers. */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE for (current_pc = prologue_start; current_pc < prologue_end; current_pc += 4) */
|
||||
/* OBSOLETE { */
|
||||
/* OBSOLETE unsigned int insn; */
|
||||
/* OBSOLETE int regno; */
|
||||
/* OBSOLETE int offset = 0; */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE insn = read_memory_unsigned_integer (current_pc, 4); */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE if ((insn & 0x301000) == 0x301000) /* Long immediate? */ */
|
||||
/* OBSOLETE /* FIXME - set offset for long immediate instructions */ */
|
||||
/* OBSOLETE current_pc += 4; */
|
||||
/* OBSOLETE else */
|
||||
/* OBSOLETE { */
|
||||
/* OBSOLETE offset = insn & 0x7fff; /* extract 15-bit offset */ */
|
||||
/* OBSOLETE if (offset & 0x4000) /* if negative, sign-extend */ */
|
||||
/* OBSOLETE offset = -(0x8000 - offset); */
|
||||
/* OBSOLETE } */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE if ((insn & 0x7fd0000) == 0x590000) /* st.{w,d} reg, xx(r1) */ */
|
||||
/* OBSOLETE { */
|
||||
/* OBSOLETE regno = ((insn >> 27) & 0x1f); */
|
||||
/* OBSOLETE fi->fsr.regs[regno] = offset; */
|
||||
/* OBSOLETE if (insn & 0x8000) /* 64-bit store (st.d)? */ */
|
||||
/* OBSOLETE fi->fsr.regs[regno + 1] = offset + 4; */
|
||||
/* OBSOLETE } */
|
||||
/* OBSOLETE else if ((insn & 0xffff8000) == 0x086c8000) /* addu xx, r1, r1 */ */
|
||||
/* OBSOLETE fi->framesize = -offset; */
|
||||
/* OBSOLETE else if ((insn & 0xffff8000) == 0xf06c8000) /* addu xx, r1, r30 */ */
|
||||
/* OBSOLETE { */
|
||||
/* OBSOLETE fi->framereg = FP_REGNUM; /* fp is now valid */ */
|
||||
/* OBSOLETE fi->frameoffset = offset; */
|
||||
/* OBSOLETE break; /* end of stack adjustments */ */
|
||||
/* OBSOLETE } */
|
||||
/* OBSOLETE else if (insn == 0xf03b2001) /* addu r1, r0, r30 */ */
|
||||
/* OBSOLETE { */
|
||||
/* OBSOLETE fi->framereg = FP_REGNUM; /* fp is now valid */ */
|
||||
/* OBSOLETE fi->frameoffset = 0; */
|
||||
/* OBSOLETE break; /* end of stack adjustments */ */
|
||||
/* OBSOLETE } */
|
||||
/* OBSOLETE else */
|
||||
/* OBSOLETE /* FIXME - handle long immediate instructions */ */
|
||||
/* OBSOLETE break; /* anything else isn't prologue */ */
|
||||
/* OBSOLETE } */
|
||||
/* OBSOLETE } */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* Function: init_extra_frame_info */
|
||||
/* OBSOLETE This function actually figures out the frame address for a given pc and */
|
||||
/* OBSOLETE sp. This is tricky on the c80 because we sometimes don't use an explicit */
|
||||
/* OBSOLETE frame pointer, and the previous stack pointer isn't necessarily recorded */
|
||||
/* OBSOLETE on the stack. The only reliable way to get this info is to */
|
||||
/* OBSOLETE examine the prologue. */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE void */
|
||||
/* OBSOLETE tic80_init_extra_frame_info (struct frame_info *fi) */
|
||||
/* OBSOLETE { */
|
||||
/* OBSOLETE int reg; */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE if (fi->next) */
|
||||
/* OBSOLETE fi->pc = FRAME_SAVED_PC (fi->next); */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* Because zero is a valid register offset relative to SP, we initialize */
|
||||
/* OBSOLETE the offsets to -1 to indicate unused entries. */ */
|
||||
/* OBSOLETE for (reg = 0; reg < NUM_REGS; reg++) */
|
||||
/* OBSOLETE fi->fsr.regs[reg] = -1; */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE if (PC_IN_CALL_DUMMY (fi->pc, fi->frame, fi->frame)) */
|
||||
/* OBSOLETE { */
|
||||
/* OBSOLETE /* We need to setup fi->frame here because run_stack_dummy gets it wrong */
|
||||
/* OBSOLETE by assuming it's always FP. */ */
|
||||
/* OBSOLETE fi->frame = generic_read_register_dummy (fi->pc, fi->frame, SP_REGNUM); */
|
||||
/* OBSOLETE fi->framesize = 0; */
|
||||
/* OBSOLETE fi->frameoffset = 0; */
|
||||
/* OBSOLETE return; */
|
||||
/* OBSOLETE } */
|
||||
/* OBSOLETE else */
|
||||
/* OBSOLETE { */
|
||||
/* OBSOLETE tic80_scan_prologue (fi); */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE if (!fi->next) /* this is the innermost frame? */ */
|
||||
/* OBSOLETE fi->frame = read_register (fi->framereg); */
|
||||
/* OBSOLETE else */
|
||||
/* OBSOLETE /* not the innermost frame */ */
|
||||
/* OBSOLETE /* If this function uses FP as the frame register, and the function */
|
||||
/* OBSOLETE it called saved the FP, get the saved FP. */ if (fi->framereg == FP_REGNUM && */
|
||||
/* OBSOLETE fi->next->fsr.regs[FP_REGNUM] != (unsigned) -1) */
|
||||
/* OBSOLETE fi->frame = read_memory_integer (fi->next->fsr.regs[FP_REGNUM], 4); */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* Convert SP-relative offsets of saved registers to real addresses. */ */
|
||||
/* OBSOLETE for (reg = 0; reg < NUM_REGS; reg++) */
|
||||
/* OBSOLETE if (fi->fsr.regs[reg] == (unsigned) -1) */
|
||||
/* OBSOLETE fi->fsr.regs[reg] = 0; /* unused entry */ */
|
||||
/* OBSOLETE else */
|
||||
/* OBSOLETE fi->fsr.regs[reg] += fi->frame - fi->frameoffset; */
|
||||
/* OBSOLETE } */
|
||||
/* OBSOLETE } */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* Function: find_callers_reg */
|
||||
/* OBSOLETE Find REGNUM on the stack. Otherwise, it's in an active register. One thing */
|
||||
/* OBSOLETE we might want to do here is to check REGNUM against the clobber mask, and */
|
||||
/* OBSOLETE somehow flag it as invalid if it isn't saved on the stack somewhere. This */
|
||||
/* OBSOLETE would provide a graceful failure mode when trying to get the value of */
|
||||
/* OBSOLETE caller-saves registers for an inner frame. */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE CORE_ADDR */
|
||||
/* OBSOLETE tic80_find_callers_reg (struct frame_info *fi, int regnum) */
|
||||
/* OBSOLETE { */
|
||||
/* OBSOLETE for (; fi; fi = fi->next) */
|
||||
/* OBSOLETE if (PC_IN_CALL_DUMMY (fi->pc, fi->frame, fi->frame)) */
|
||||
/* OBSOLETE return generic_read_register_dummy (fi->pc, fi->frame, regnum); */
|
||||
/* OBSOLETE else if (fi->fsr.regs[regnum] != 0) */
|
||||
/* OBSOLETE return read_memory_integer (fi->fsr.regs[regnum], */
|
||||
/* OBSOLETE REGISTER_RAW_SIZE (regnum)); */
|
||||
/* OBSOLETE return read_register (regnum); */
|
||||
/* OBSOLETE } */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* Function: frame_chain */
|
||||
/* OBSOLETE Given a GDB frame, determine the address of the calling function's frame. */
|
||||
/* OBSOLETE This will be used to create a new GDB frame struct, and then */
|
||||
/* OBSOLETE INIT_EXTRA_FRAME_INFO and INIT_FRAME_PC will be called for the new frame. */
|
||||
/* OBSOLETE For c80, we save the frame size when we initialize the frame_info. */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE CORE_ADDR */
|
||||
/* OBSOLETE tic80_frame_chain (struct frame_info *fi) */
|
||||
/* OBSOLETE { */
|
||||
/* OBSOLETE CORE_ADDR fn_start, callers_pc, fp; */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* is this a dummy frame? */ */
|
||||
/* OBSOLETE if (PC_IN_CALL_DUMMY (fi->pc, fi->frame, fi->frame)) */
|
||||
/* OBSOLETE return fi->frame; /* dummy frame same as caller's frame */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* is caller-of-this a dummy frame? */ */
|
||||
/* OBSOLETE callers_pc = FRAME_SAVED_PC (fi); /* find out who called us: */ */
|
||||
/* OBSOLETE fp = tic80_find_callers_reg (fi, FP_REGNUM); */
|
||||
/* OBSOLETE if (PC_IN_CALL_DUMMY (callers_pc, fp, fp)) */
|
||||
/* OBSOLETE return fp; /* dummy frame's frame may bear no relation to ours */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE if (find_pc_partial_function (fi->pc, 0, &fn_start, 0)) */
|
||||
/* OBSOLETE if (fn_start == entry_point_address ()) */
|
||||
/* OBSOLETE return 0; /* in _start fn, don't chain further */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE if (fi->framereg == FP_REGNUM) */
|
||||
/* OBSOLETE return tic80_find_callers_reg (fi, FP_REGNUM); */
|
||||
/* OBSOLETE else */
|
||||
/* OBSOLETE return fi->frame + fi->framesize; */
|
||||
/* OBSOLETE } */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* Function: pop_frame */
|
||||
/* OBSOLETE Discard from the stack the innermost frame, */
|
||||
/* OBSOLETE restoring all saved registers. */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE struct frame_info * */
|
||||
/* OBSOLETE tic80_pop_frame (struct frame_info *frame) */
|
||||
/* OBSOLETE { */
|
||||
/* OBSOLETE int regnum; */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE if (PC_IN_CALL_DUMMY (frame->pc, frame->frame, frame->frame)) */
|
||||
/* OBSOLETE generic_pop_dummy_frame (); */
|
||||
/* OBSOLETE else */
|
||||
/* OBSOLETE { */
|
||||
/* OBSOLETE for (regnum = 0; regnum < NUM_REGS; regnum++) */
|
||||
/* OBSOLETE if (frame->fsr.regs[regnum] != 0) */
|
||||
/* OBSOLETE write_register (regnum, */
|
||||
/* OBSOLETE read_memory_integer (frame->fsr.regs[regnum], 4)); */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE write_register (PC_REGNUM, FRAME_SAVED_PC (frame)); */
|
||||
/* OBSOLETE write_register (SP_REGNUM, read_register (FP_REGNUM)); */
|
||||
/* OBSOLETE #if 0 */
|
||||
/* OBSOLETE if (read_register (PSW_REGNUM) & 0x80) */
|
||||
/* OBSOLETE write_register (SPU_REGNUM, read_register (SP_REGNUM)); */
|
||||
/* OBSOLETE else */
|
||||
/* OBSOLETE write_register (SPI_REGNUM, read_register (SP_REGNUM)); */
|
||||
/* OBSOLETE #endif */
|
||||
/* OBSOLETE } */
|
||||
/* OBSOLETE flush_cached_frames (); */
|
||||
/* OBSOLETE return NULL; */
|
||||
/* OBSOLETE } */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* Function: frame_saved_pc */
|
||||
/* OBSOLETE Find the caller of this frame. We do this by seeing if LR_REGNUM is saved */
|
||||
/* OBSOLETE in the stack anywhere, otherwise we get it from the registers. */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE CORE_ADDR */
|
||||
/* OBSOLETE tic80_frame_saved_pc (struct frame_info *fi) */
|
||||
/* OBSOLETE { */
|
||||
/* OBSOLETE if (PC_IN_CALL_DUMMY (fi->pc, fi->frame, fi->frame)) */
|
||||
/* OBSOLETE return generic_read_register_dummy (fi->pc, fi->frame, PC_REGNUM); */
|
||||
/* OBSOLETE else */
|
||||
/* OBSOLETE return tic80_find_callers_reg (fi, LR_REGNUM); */
|
||||
/* OBSOLETE } */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* Function: tic80_push_return_address (pc, sp) */
|
||||
/* OBSOLETE Set up the return address for the inferior function call. */
|
||||
/* OBSOLETE Necessary for targets that don't actually execute a JSR/BSR instruction */
|
||||
/* OBSOLETE (ie. when using an empty CALL_DUMMY) */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE CORE_ADDR */
|
||||
/* OBSOLETE tic80_push_return_address (CORE_ADDR pc, CORE_ADDR sp) */
|
||||
/* OBSOLETE { */
|
||||
/* OBSOLETE write_register (LR_REGNUM, CALL_DUMMY_ADDRESS ()); */
|
||||
/* OBSOLETE return sp; */
|
||||
/* OBSOLETE } */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* Function: push_arguments */
|
||||
/* OBSOLETE Setup the function arguments for calling a function in the inferior. */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE On the TI C80 architecture, there are six register pairs (R2/R3 to R12/13) */
|
||||
/* OBSOLETE which are dedicated for passing function arguments. Up to the first six */
|
||||
/* OBSOLETE arguments (depending on size) may go into these registers. */
|
||||
/* OBSOLETE The rest go on the stack. */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE Arguments that are smaller than 4 bytes will still take up a whole */
|
||||
/* OBSOLETE register or a whole 32-bit word on the stack, and will be */
|
||||
/* OBSOLETE right-justified in the register or the stack word. This includes */
|
||||
/* OBSOLETE chars, shorts, and small aggregate types. */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE Arguments that are four bytes or less in size are placed in the */
|
||||
/* OBSOLETE even-numbered register of a register pair, and the odd-numbered */
|
||||
/* OBSOLETE register is not used. */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE Arguments of 8 bytes size (such as floating point doubles) are placed */
|
||||
/* OBSOLETE in a register pair. The least significant 32-bit word is placed in */
|
||||
/* OBSOLETE the even-numbered register, and the most significant word in the */
|
||||
/* OBSOLETE odd-numbered register. */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE Aggregate types with sizes between 4 and 8 bytes are passed */
|
||||
/* OBSOLETE entirely on the stack, and are left-justified within the */
|
||||
/* OBSOLETE double-word (as opposed to aggregates smaller than 4 bytes */
|
||||
/* OBSOLETE which are right-justified). */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE Aggregates of greater than 8 bytes are first copied onto the stack, */
|
||||
/* OBSOLETE and then a pointer to the copy is passed in the place of the normal */
|
||||
/* OBSOLETE argument (either in a register if available, or on the stack). */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE Functions that must return an aggregate type can return it in the */
|
||||
/* OBSOLETE normal return value registers (R2 and R3) if its size is 8 bytes or */
|
||||
/* OBSOLETE less. For larger return values, the caller must allocate space for */
|
||||
/* OBSOLETE the callee to copy the return value to. A pointer to this space is */
|
||||
/* OBSOLETE passed as an implicit first argument, always in R0. */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE CORE_ADDR */
|
||||
/* OBSOLETE tic80_push_arguments (int nargs, value_ptr *args, CORE_ADDR sp, */
|
||||
/* OBSOLETE unsigned char struct_return, CORE_ADDR struct_addr) */
|
||||
/* OBSOLETE { */
|
||||
/* OBSOLETE int stack_offset, stack_alloc; */
|
||||
/* OBSOLETE int argreg; */
|
||||
/* OBSOLETE int argnum; */
|
||||
/* OBSOLETE struct type *type; */
|
||||
/* OBSOLETE CORE_ADDR regval; */
|
||||
/* OBSOLETE char *val; */
|
||||
/* OBSOLETE char valbuf[4]; */
|
||||
/* OBSOLETE int len; */
|
||||
/* OBSOLETE int odd_sized_struct; */
|
||||
/* OBSOLETE int is_struct; */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* first force sp to a 4-byte alignment */ */
|
||||
/* OBSOLETE sp = sp & ~3; */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE argreg = ARG0_REGNUM; */
|
||||
/* OBSOLETE /* The "struct return pointer" pseudo-argument goes in R0 */ */
|
||||
/* OBSOLETE if (struct_return) */
|
||||
/* OBSOLETE write_register (argreg++, struct_addr); */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* Now make sure there's space on the stack */ */
|
||||
/* OBSOLETE for (argnum = 0, stack_alloc = 0; */
|
||||
/* OBSOLETE argnum < nargs; argnum++) */
|
||||
/* OBSOLETE stack_alloc += ((TYPE_LENGTH (VALUE_TYPE (args[argnum])) + 3) & ~3); */
|
||||
/* OBSOLETE sp -= stack_alloc; /* make room on stack for args */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* Now load as many as possible of the first arguments into */
|
||||
/* OBSOLETE registers, and push the rest onto the stack. There are 16 bytes */
|
||||
/* OBSOLETE in four registers available. Loop thru args from first to last. */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE argreg = ARG0_REGNUM; */
|
||||
/* OBSOLETE for (argnum = 0, stack_offset = 0; argnum < nargs; argnum++) */
|
||||
/* OBSOLETE { */
|
||||
/* OBSOLETE type = VALUE_TYPE (args[argnum]); */
|
||||
/* OBSOLETE len = TYPE_LENGTH (type); */
|
||||
/* OBSOLETE memset (valbuf, 0, sizeof (valbuf)); */
|
||||
/* OBSOLETE val = (char *) VALUE_CONTENTS (args[argnum]); */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* FIXME -- tic80 can take doubleword arguments in register pairs */ */
|
||||
/* OBSOLETE is_struct = (type->code == TYPE_CODE_STRUCT); */
|
||||
/* OBSOLETE odd_sized_struct = 0; */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE if (!is_struct) */
|
||||
/* OBSOLETE { */
|
||||
/* OBSOLETE if (len < 4) */
|
||||
/* OBSOLETE { /* value gets right-justified in the register or stack word */ */
|
||||
/* OBSOLETE memcpy (valbuf + (4 - len), val, len); */
|
||||
/* OBSOLETE val = valbuf; */
|
||||
/* OBSOLETE } */
|
||||
/* OBSOLETE if (len > 4 && (len & 3) != 0) */
|
||||
/* OBSOLETE odd_sized_struct = 1; /* such structs go entirely on stack */ */
|
||||
/* OBSOLETE } */
|
||||
/* OBSOLETE else */
|
||||
/* OBSOLETE { */
|
||||
/* OBSOLETE /* Structs are always passed by reference. */ */
|
||||
/* OBSOLETE write_register (argreg, sp + stack_offset); */
|
||||
/* OBSOLETE argreg++; */
|
||||
/* OBSOLETE } */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE while (len > 0) */
|
||||
/* OBSOLETE { */
|
||||
/* OBSOLETE if (is_struct || argreg > ARGLAST_REGNUM || odd_sized_struct) */
|
||||
/* OBSOLETE { /* must go on the stack */ */
|
||||
/* OBSOLETE write_memory (sp + stack_offset, val, 4); */
|
||||
/* OBSOLETE stack_offset += 4; */
|
||||
/* OBSOLETE } */
|
||||
/* OBSOLETE /* NOTE WELL!!!!! This is not an "else if" clause!!! */
|
||||
/* OBSOLETE That's because some things get passed on the stack */
|
||||
/* OBSOLETE AND in the registers! */ */
|
||||
/* OBSOLETE if (!is_struct && argreg <= ARGLAST_REGNUM) */
|
||||
/* OBSOLETE { /* there's room in a register */ */
|
||||
/* OBSOLETE regval = extract_address (val, REGISTER_RAW_SIZE (argreg)); */
|
||||
/* OBSOLETE write_register (argreg, regval); */
|
||||
/* OBSOLETE argreg += 2; /* FIXME -- what about doubleword args? */ */
|
||||
/* OBSOLETE } */
|
||||
/* OBSOLETE /* Store the value 4 bytes at a time. This means that things */
|
||||
/* OBSOLETE larger than 4 bytes may go partly in registers and partly */
|
||||
/* OBSOLETE on the stack. */ */
|
||||
/* OBSOLETE len -= REGISTER_RAW_SIZE (argreg); */
|
||||
/* OBSOLETE val += REGISTER_RAW_SIZE (argreg); */
|
||||
/* OBSOLETE } */
|
||||
/* OBSOLETE } */
|
||||
/* OBSOLETE return sp; */
|
||||
/* OBSOLETE } */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE /* Function: tic80_write_sp */
|
||||
/* OBSOLETE Because SP is really a read-only register that mirrors either SPU or SPI, */
|
||||
/* OBSOLETE we must actually write one of those two as well, depending on PSW. */ */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE void */
|
||||
/* OBSOLETE tic80_write_sp (CORE_ADDR val) */
|
||||
/* OBSOLETE { */
|
||||
/* OBSOLETE #if 0 */
|
||||
/* OBSOLETE unsigned long psw = read_register (PSW_REGNUM); */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE if (psw & 0x80) /* stack mode: user or interrupt */ */
|
||||
/* OBSOLETE write_register (SPU_REGNUM, val); */
|
||||
/* OBSOLETE else */
|
||||
/* OBSOLETE write_register (SPI_REGNUM, val); */
|
||||
/* OBSOLETE #endif */
|
||||
/* OBSOLETE write_register (SP_REGNUM, val); */
|
||||
/* OBSOLETE } */
|
||||
/* OBSOLETE */
|
||||
/* OBSOLETE void */
|
||||
/* OBSOLETE _initialize_tic80_tdep (void) */
|
||||
/* OBSOLETE { */
|
||||
/* OBSOLETE tm_print_insn = print_insn_tic80; */
|
||||
/* OBSOLETE } */
|
||||
Loading…
Reference in New Issue