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