-/* Definitions to target GDB to Linux on m680x0
- Copyright (C) 1996,1998 Free Software Foundation, Inc.
+/* Definitions to target GDB to GNU/Linux on m680x0.
-This file is part of GDB.
+ Copyright 1996, 1998, 1999, 2000, 2002, 2003 Free Software Foundation,
+ Inc.
-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 file is part of GDB.
-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.
+ 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.
-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. */
+ 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.
-/* Number of traps that happen between exec'ing the shell to run an
- inferior, and when we finally get to the inferior code. This is 2
- on most implementations. */
+ 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. */
-#define START_INFERIOR_TRAPS_EXPECTED 2
+/* We define SVR4_SHARED_LIBS unconditionally, on the assumption that
+ link.h is available on all linux platforms. For I386 and SH3/4,
+ we hard-code the information rather than use link.h anyway (for
+ the benefit of cross-debugging). We may move to doing that for
+ other architectures as well. */
-/* The following definitions are appropriate when using the ELF
- format, where floating point values are returned in fp0, pointer
- values in a0 and other values in d0. */
-
-/* Extract from an array REGBUF containing the (raw) register state a
- function return value of type TYPE, and copy that, in virtual
- format, into VALBUF. */
-
-#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
-{ \
- if (TYPE_CODE (TYPE) == TYPE_CODE_FLT) \
- { \
- REGISTER_CONVERT_TO_VIRTUAL (FP0_REGNUM, TYPE, \
- ((char *) (REGBUF) \
- + REGISTER_BYTE (FP0_REGNUM)), \
- VALBUF); \
- } \
- else if (TYPE_CODE (TYPE) == TYPE_CODE_PTR) \
- memcpy (VALBUF, (char *) (REGBUF) + REGISTER_BYTE (A0_REGNUM), \
- TYPE_LENGTH (TYPE)); \
- else \
- memcpy (VALBUF, \
- ((char *) (REGBUF) \
- + (TYPE_LENGTH (TYPE) >= 4 ? 0 : 4 - TYPE_LENGTH (TYPE))), \
- TYPE_LENGTH (TYPE)); \
-}
-
-/* Write into appropriate registers a function return value of type
- TYPE, given in virtual format. */
-
-#define STORE_RETURN_VALUE(TYPE,VALBUF) \
-{ \
- if (TYPE_CODE (TYPE) == TYPE_CODE_FLT) \
- { \
- char raw_buffer[REGISTER_RAW_SIZE (FP0_REGNUM)]; \
- REGISTER_CONVERT_TO_RAW (TYPE, FP0_REGNUM, VALBUF, raw_buffer); \
- write_register_bytes (REGISTER_BYTE (FP0_REGNUM), \
- raw_buffer, TYPE_LENGTH (TYPE)); \
- } \
- else \
- { \
- if (TYPE_CODE (TYPE) == TYPE_CODE_PTR) \
- write_register_bytes (REGISTER_BYTE (A0_REGNUM), VALBUF, \
- TYPE_LENGTH (TYPE)); \
- write_register_bytes (0, VALBUF, TYPE_LENGTH (TYPE)); \
- } \
-}
-
-#include "tm-sysv4.h"
-#include "m68k/tm-m68k.h"
-
-/* Extract from an array REGBUF containing the (raw) register state
- the address in which a function should return its structure value,
- as a CORE_ADDR (or an expression that can be used as one). */
-
-#undef EXTRACT_STRUCT_VALUE_ADDRESS
-#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) \
- (*(CORE_ADDR *)((char *) (REGBUF) + REGISTER_BYTE (A0_REGNUM)))
-
-/* Offsets (in target ints) into jmp_buf. */
-
-#define JB_ELEMENT_SIZE 4
-#define JB_PC 7
-
-/* Figure out where the longjmp will land. Slurp the args out of the stack.
- We expect the first arg to be a pointer to 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)
-
-/* Offset to saved PC in sigcontext, from <asm/sigcontext.h>. */
-#define SIGCONTEXT_PC_OFFSET 26
-
-#undef FRAME_SAVED_PC
-#define FRAME_SAVED_PC(FRAME) \
- (((FRAME)->signal_handler_caller \
- ? sigtramp_saved_pc (FRAME) \
- : read_memory_integer ((FRAME)->frame + 4, 4)))
-
-extern CORE_ADDR sigtramp_saved_pc PARAMS ((struct frame_info *));
-
-#define IN_SIGTRAMP(pc,name) in_sigtramp (pc)
-extern int in_sigtramp PARAMS ((CORE_ADDR pc));
+#define SVR4_SHARED_LIBS
+#include "solib.h" /* Support for shared libraries. */
projects / deliverable / binutils-gdb.git / blobdiff