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/* Definitions to target GDB to Linux on 386.
Copyright 1992, 1993 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#ifndef TM_LINUX_H
#define TM_LINUX_H
#include "powerpc/tm-ppc-eabi.h"
#undef PUSH_ARGUMENTS
/* We can single step on linux */
#undef SOFTWARE_SINGLE_STEP
#define SOFTWARE_SINGLE_STEP(p,q) abort() /* Will never execute! */
#undef SOFTWARE_SINGLE_STEP_P
#define SOFTWARE_SINGLE_STEP_P 0
/* Make sure nexti gets the help it needs for debugging assembly code
without symbols */
#define AT_SUBROUTINE_CALL_INSTRUCTION_TARGET(prevpc,stoppc) \
at_subroutine_call_instruction_target(prevpc,stoppc)
extern int at_subroutine_call_instruction_target();
/* We _want_ the SVR4 section offset calculations (see syms_from_objfile()
in symfile.c) */
#undef IBM6000_TARGET
/* Offset to saved PC in sigcontext, from <linux/signal.h>. */
#define SIGCONTEXT_PC_OFFSET 184
/* Avoid warning from redefinition in tm-sysv4.h */
#undef SKIP_TRAMPOLINE_CODE
/* We need this file for the SOLIB_TRAMPOLINE stuff. */
#include "tm-sysv4.h"
extern CORE_ADDR ppc_linux_skip_trampoline_code (CORE_ADDR pc);
#undef SKIP_TRAMPOLINE_CODE
#define SKIP_TRAMPOLINE_CODE(pc) ppc_linux_skip_trampoline_code (pc)
extern int ppc_linux_in_sigtramp (CORE_ADDR pc, char *func_name);
#undef IN_SIGTRAMP
#define IN_SIGTRAMP(pc,func_name) ppc_linux_in_sigtramp (pc,func_name)
extern unsigned long ppc_linux_frame_saved_pc (struct frame_info *);
#undef FRAME_SAVED_PC
#define FRAME_SAVED_PC(FRAME) ppc_linux_frame_saved_pc (FRAME)
extern void ppc_linux_init_extra_frame_info (int fromleaf, struct frame_info *);
#undef INIT_EXTRA_FRAME_INFO
#define INIT_EXTRA_FRAME_INFO(fromleaf, fi) \
ppc_linux_init_extra_frame_info (fromleaf, fi)
extern int ppc_linux_frameless_function_invocation (struct frame_info *);
#undef FRAMELESS_FUNCTION_INVOCATION
#define FRAMELESS_FUNCTION_INVOCATION(FI) \
(ppc_linux_frameless_function_invocation (FI))
extern void ppc_linux_frame_init_saved_regs (struct frame_info *);
#undef FRAME_INIT_SAVED_REGS
#define FRAME_INIT_SAVED_REGS(FI) ppc_linux_frame_init_saved_regs (FI)
CORE_ADDR ppc_linux_frame_chain (struct frame_info *);
#undef FRAME_CHAIN
#define FRAME_CHAIN(thisframe) ppc_linux_frame_chain (thisframe)
CORE_ADDR ppc_sysv_abi_push_arguments PARAMS ((int, struct value **, CORE_ADDR, int, CORE_ADDR));
#undef PUSH_ARGUMENTS
#define PUSH_ARGUMENTS(nargs, args, sp, struct_return, struct_addr) \
(ppc_sysv_abi_push_arguments((nargs), (args), (sp), (struct_return), (struct_addr)))
#define CANNOT_FETCH_REGISTER(regno) ((regno) >= MQ_REGNUM)
#define CANNOT_STORE_REGISTER(regno) ((regno) >= MQ_REGNUM)
/* Linux doesn't use the PowerOpen ABI for function pointer representation */
#undef CONVERT_FROM_FUNC_PTR_ADDR
#if 0 /* If skip_prologue() isn't too greedy, we don't need this */
/* There is some problem with the debugging symbols generated by the
compiler such that the debugging symbol for the first line of a
function overlap with the function prologue. */
#define PROLOGUE_FIRSTLINE_OVERLAP
#endif
/* Some versions of Linux have real-time signal support in the C library, and
some don't. We have to include this file to find out. */
#include <signal.h>
#ifdef __SIGRTMIN
#define REALTIME_LO __SIGRTMIN
#define REALTIME_HI (__SIGRTMAX + 1)
#else
#define REALTIME_LO 32
#define REALTIME_HI 64
#endif
#endif /* #ifndef TM_LINUX_H */
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