2002-02-24 23:56:08 +01:00
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/* Definitions to target GDB to GNU/Linux on m680x0.
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Copyright 1996, 1998, 1999, 2000, 2002 Free Software Foundation,
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Inc.
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1999-04-16 03:35:26 +02:00
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1999-07-07 22:19:36 +02:00
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This file is part of GDB.
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1999-04-16 03:35:26 +02:00
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1999-07-07 22:19:36 +02:00
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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1999-04-16 03:35:26 +02:00
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1999-07-07 22:19:36 +02:00
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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1999-04-16 03:35:26 +02:00
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1999-07-07 22:19:36 +02:00
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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1999-04-16 03:35:26 +02:00
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2001-03-15 00:23:16 +01:00
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#include "regcache.h"
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2002-11-23 20:45:12 +01:00
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#include "m68k-tdep.h"
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2001-03-15 00:23:16 +01:00
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1999-04-16 03:35:26 +02:00
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/* Number of traps that happen between exec'ing the shell to run an
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inferior, and when we finally get to the inferior code. This is 2
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on most implementations. */
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#define START_INFERIOR_TRAPS_EXPECTED 2
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/* The following definitions are appropriate when using the ELF
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format, where floating point values are returned in fp0, pointer
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values in a0 and other values in d0. */
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/* Extract from an array REGBUF containing the (raw) register state a
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function return value of type TYPE, and copy that, in virtual
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format, into VALBUF. */
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2002-06-15 00:55:51 +02:00
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#define DEPRECATED_EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
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1999-04-16 03:35:26 +02:00
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{ \
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if (TYPE_CODE (TYPE) == TYPE_CODE_FLT) \
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{ \
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REGISTER_CONVERT_TO_VIRTUAL (FP0_REGNUM, TYPE, \
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((char *) (REGBUF) \
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+ REGISTER_BYTE (FP0_REGNUM)), \
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VALBUF); \
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} \
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else if (TYPE_CODE (TYPE) == TYPE_CODE_PTR) \
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2002-11-23 20:45:12 +01:00
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memcpy (VALBUF, (char *) (REGBUF) + REGISTER_BYTE (M68K_A0_REGNUM), \
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1999-04-16 03:35:26 +02:00
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TYPE_LENGTH (TYPE)); \
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else \
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memcpy (VALBUF, \
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((char *) (REGBUF) \
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+ (TYPE_LENGTH (TYPE) >= 4 ? 0 : 4 - TYPE_LENGTH (TYPE))), \
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TYPE_LENGTH (TYPE)); \
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}
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/* Write into appropriate registers a function return value of type
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TYPE, given in virtual format. */
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2002-08-24 02:21:37 +02:00
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#define DEPRECATED_STORE_RETURN_VALUE(TYPE,VALBUF) \
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1999-04-16 03:35:26 +02:00
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{ \
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if (TYPE_CODE (TYPE) == TYPE_CODE_FLT) \
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{ \
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char raw_buffer[REGISTER_RAW_SIZE (FP0_REGNUM)]; \
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REGISTER_CONVERT_TO_RAW (TYPE, FP0_REGNUM, VALBUF, raw_buffer); \
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2002-11-23 20:45:12 +01:00
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deprecated_write_register_bytes (REGISTER_BYTE (FP0_REGNUM), \
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raw_buffer, TYPE_LENGTH (TYPE)); \
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1999-04-16 03:35:26 +02:00
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} \
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else \
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{ \
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if (TYPE_CODE (TYPE) == TYPE_CODE_PTR) \
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2002-11-23 20:45:12 +01:00
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deprecated_write_register_bytes (REGISTER_BYTE (M68K_A0_REGNUM), VALBUF, \
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TYPE_LENGTH (TYPE)); \
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deprecated_write_register_bytes (0, VALBUF, TYPE_LENGTH (TYPE)); \
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1999-04-16 03:35:26 +02:00
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} \
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}
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* config/alpha/nm-linux.h: Add "config/" prefix to tm, nm and xm
includes.
* config/tm-linux.h: Ditto.
* config/alpha/tm-alphalinux.h: Ditto.
* config/arm/nm-linux.h, config/arm/tm-linux.h: Ditto.
* config/arm/xm-nbsd.h, config/i386/nm-gnu.h: Ditto.
* config/i386/nm-i386lynx.h, config/i386/nm-i386sol2.h: Ditto.
* config/i386/nm-i386v4.h, config/i386/nm-i386v42mp.h: Ditto.
* config/i386/nm-linux.h, config/i386/nm-m3.h: Ditto.
* config/i386/nm-ptx4.h, config/i386/nm-x86-64.h: Ditto.
* config/i386/tm-i386gnu.h, config/i386/tm-i386lynx.h: Ditto.
* config/i386/tm-i386m3.h, config/i386/tm-i386sco5.h: Ditto.
* config/i386/tm-i386v4.h, config/i386/tm-linux.h: Ditto.
* config/i386/tm-ptx4.h, config/i386/tm-vxworks.h: Ditto.
* config/i386/xm-i386v4.h, config/i386/xm-nbsd.h: Ditto.
* config/i386/xm-ptx.h, config/i386/xm-ptx4.h: Ditto.
* config/i960/tm-vx960.h, config/ia64/nm-aix.h: Ditto.
* config/ia64/nm-linux.h, config/ia64/tm-aix.h: Ditto.
* config/ia64/tm-linux.h, config/ia64/xm-aix.h: Ditto.
* config/m68k/nm-linux.h, config/m68k/nm-m68klynx.h: Ditto.
* config/m68k/nm-sysv4.h, config/m68k/tm-linux.h: Ditto.
* config/m68k/tm-m68klynx.h, config/m68k/tm-m68kv4.h: Ditto.
* config/m68k/tm-sun2os4.h, config/m68k/tm-sun3os4.h: Ditto.
* config/m68k/tm-vx68.h, config/m68k/xm-m68kv4.h: Ditto.
* config/m68k/xm-nbsd.h, config/m88k/nm-delta88v4.h: Ditto.
* config/m88k/tm-delta88v4.h, config/m88k/xm-delta88v4.h: Ditto.
* config/mips/nm-irix5.h, config/mips/nm-linux.h: Ditto.
* config/mips/tm-linux.h, config/mips/tm-mips64.h: Ditto.
* config/mips/tm-mipsm3.h, config/mips/tm-mipsv4.h: Ditto.
* config/mips/tm-vxmips.h, config/mips/xm-irix5.h: Ditto.
* config/mips/xm-mipsv4.h, config/ns32k/xm-nbsd.h: Ditto.
* config/pa/nm-hppao.h, config/powerpc/nm-linux.h: Ditto.
* config/powerpc/tm-linux.h, config/powerpc/tm-vxworks.h: Ditto.
* config/powerpc/xm-aix.h, config/rs6000/nm-rs6000ly.h: Ditto.
* config/rs6000/tm-rs6000ly.h, config/rs6000/xm-aix4.h: Ditto.
* config/sh/tm-linux.h, config/sparc/nm-linux.h: Ditto.
* config/sparc/nm-sparclynx.h, config/sparc/nm-sun4sol2.h: Ditto.
* config/sparc/tm-linux.h, config/sparc/tm-sp64linux.h: Ditto.
* config/sparc/tm-sp64sim.h, config/sparc/tm-sparclynx.h: Ditto.
* config/sparc/tm-sun4os4.h, config/sparc/tm-sun4sol2.h: Ditto.
* config/sparc/tm-vxsparc.h, config/sparc/xm-sun4sol2.h: Ditto.
2002-06-05 21:18:29 +02:00
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#include "config/tm-linux.h"
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1999-04-16 03:35:26 +02:00
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#include "m68k/tm-m68k.h"
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/* Extract from an array REGBUF containing the (raw) register state
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the address in which a function should return its structure value,
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as a CORE_ADDR (or an expression that can be used as one). */
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2002-06-15 00:55:51 +02:00
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#undef DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS
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#define DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) \
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2002-11-23 20:45:12 +01:00
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(*(CORE_ADDR *)((char *) (REGBUF) + REGISTER_BYTE (M68K_A0_REGNUM)))
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1999-04-16 03:35:26 +02:00
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/* Offsets (in target ints) into jmp_buf. */
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#define JB_ELEMENT_SIZE 4
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#define JB_PC 7
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/* Figure out where the longjmp will land. Slurp the args out of the stack.
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We expect the first arg to be a pointer to the jmp_buf structure from which
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we extract the pc (JB_PC) that we will land at. The pc is copied into ADDR.
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This routine returns true on success */
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2000-11-08 12:55:34 +01:00
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#define GET_LONGJMP_TARGET(ADDR) m68k_get_longjmp_target(ADDR)
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1999-04-16 03:35:26 +02:00
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#undef FRAME_SAVED_PC
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2002-02-26 23:12:49 +01:00
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#define FRAME_SAVED_PC(frame) m68k_linux_frame_saved_pc (frame)
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extern CORE_ADDR m68k_linux_frame_saved_pc (struct frame_info *);
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1999-04-16 03:35:26 +02:00
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2002-02-26 23:12:49 +01:00
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#define IN_SIGTRAMP(pc,name) m68k_linux_in_sigtramp (pc)
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extern int m68k_linux_in_sigtramp (CORE_ADDR pc);
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