binutils-gdb/gdb/config/mips/tm-linux.h

76 lines
2.4 KiB
C

/* Target-dependent definitions for GNU/Linux MIPS.
Copyright 2001, 2002 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_MIPSLINUX_H
#define TM_MIPSLINUX_H
#include "mips/tm-mips.h"
/* We don't want to inherit tm-mips.h's shared library trampoline code. */
#undef IN_SOLIB_CALL_TRAMPOLINE
#undef IN_SOLIB_RETURN_TRAMPOLINE
#undef SKIP_TRAMPOLINE_CODE
#undef IGNORE_HELPER_CALL
/* GNU/Linux MIPS has __SIGRTMAX == 127. */
#define REALTIME_LO 32
#define REALTIME_HI 128
#include "tm-linux.h"
/* There's an E_MIPS_ABI_O32 flag in e_flags, but we don't use it - in
fact, using it may violate the o32 ABI. */
#define MIPS_DEFAULT_ABI MIPS_ABI_O32
/* Use target_specific function to define link map offsets. */
extern struct link_map_offsets *mips_linux_svr4_fetch_link_map_offsets (void);
#define SVR4_FETCH_LINK_MAP_OFFSETS() \
mips_linux_svr4_fetch_link_map_offsets ()
/* Details about jmp_buf. */
#define JB_ELEMENT_SIZE 4
#define JB_PC 0
/* Figure out where the longjmp will land. Slurp the arguments 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 1 on success. */
#define GET_LONGJMP_TARGET(ADDR) mips_linux_get_longjmp_target(ADDR)
extern int mips_linux_get_longjmp_target (CORE_ADDR *);
/* We do single stepping in software. */
#define SOFTWARE_SINGLE_STEP_P() 1
#define SOFTWARE_SINGLE_STEP(sig,bp_p) mips_software_single_step (sig, bp_p)
/* FIXME: This still needs to be implemented. */
#undef IN_SIGTRAMP
#define IN_SIGTRAMP(pc, name) (0)
#endif /* TM_MIPSLINUX_H */