1 /* Native support for Linux/x86.
2 Copyright 1986, 1987, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
4 Free Software Foundation, Inc.
6 This file is part of GDB.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 59 Temple Place - Suite 330,
21 Boston, MA 02111-1307, USA. */
26 /* GNU/Linux supports the i386 hardware debugging registers. */
27 #define I386_USE_GENERIC_WATCHPOINTS
29 #include "i386/nm-i386.h"
32 /* Return sizeof user struct to callers in less machine dependent
35 extern int kernel_u_size (void);
36 #define KERNEL_U_SIZE kernel_u_size()
38 #define U_REGS_OFFSET 0
40 extern CORE_ADDR register_u_addr (CORE_ADDR blockend, int regnum);
41 #define REGISTER_U_ADDR(addr, blockend, regnum) \
42 (addr) = register_u_addr (blockend, regnum)
44 /* Provide access to the i386 hardware debugging registers. */
46 extern void i386_linux_dr_set_control (unsigned long control);
47 #define I386_DR_LOW_SET_CONTROL(control) \
48 i386_linux_dr_set_control (control)
50 extern void i386_linux_dr_set_addr (int regnum, CORE_ADDR addr);
51 #define I386_DR_LOW_SET_ADDR(regnum, addr) \
52 i386_linux_dr_set_addr (regnum, addr)
54 extern void i386_linux_dr_reset_addr (int regnum);
55 #define I386_DR_LOW_RESET_ADDR(regnum) \
56 i386_linux_dr_reset_addr (regnum)
58 extern unsigned long i386_linux_dr_get_status (void);
59 #define I386_DR_LOW_GET_STATUS() \
60 i386_linux_dr_get_status ()
62 /* We define this if link.h is available, because with ELF we use SVR4
63 style shared libraries. */
66 #define SVR4_SHARED_LIBS
67 #include "solib.h" /* Support for shared libraries. */
70 /* Override copies of {fetch,store}_inferior_registers in `infptrace.c'. */
71 #define FETCH_INFERIOR_REGISTERS
73 /* Nevertheless, define CANNOT_{FETCH,STORE}_REGISTER, because we
74 might fall back on the code `infptrace.c' (well a copy of that code
75 in `i386-linux-nat.c' for now) and we can access only the
76 general-purpose registers in that way. */
77 extern int cannot_fetch_register (int regno);
78 extern int cannot_store_register (int regno);
79 #define CANNOT_FETCH_REGISTER(regno) cannot_store_register (regno)
80 #define CANNOT_STORE_REGISTER(regno) cannot_fetch_register (regno)
82 /* Override child_resume in `infptrace.c'. */
85 /* FIXME: kettenis/2000-09-03: This should be moved to ../nm-linux.h
86 once we have converted all Linux targets to use the new threads
87 stuff (without the #undef of course). */
89 extern int lin_lwp_prepare_to_proceed (void);
90 #undef PREPARE_TO_PROCEED
91 #define PREPARE_TO_PROCEED(select_it) lin_lwp_prepare_to_proceed ()
93 extern void lin_lwp_attach_lwp (ptid_t ptid, int verbose);
94 #define ATTACH_LWP(ptid, verbose) lin_lwp_attach_lwp ((ptid), (verbose))
98 extern void lin_thread_get_thread_signals (sigset_t *mask);
99 #define GET_THREAD_SIGNALS(mask) lin_thread_get_thread_signals (mask)
101 #endif /* nm_linux.h */