Commit | Line | Data |
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92362027 AC |
1 | /* Native support for GNU/Linux x86. |
2 | ||
3 | Copyright 1986, 1987, 1989, 1992, 1993, 1994, 1995, 1996, 1997, | |
4 | 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc. | |
c906108c | 5 | |
c5aa993b | 6 | This file is part of GDB. |
c906108c | 7 | |
c5aa993b JM |
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. | |
c906108c | 12 | |
c5aa993b JM |
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. | |
c906108c | 17 | |
c5aa993b JM |
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. */ | |
c906108c SS |
22 | |
23 | #ifndef NM_LINUX_H | |
24 | #define NM_LINUX_H | |
25 | ||
84346e11 MK |
26 | /* GNU/Linux supports the i386 hardware debugging registers. */ |
27 | #define I386_USE_GENERIC_WATCHPOINTS | |
28 | ||
29 | #include "i386/nm-i386.h" | |
4f2e4a4f | 30 | #include "config/nm-linux.h" |
c906108c | 31 | |
1fe7ac85 | 32 | /* Support for the user area. */ |
c906108c | 33 | |
1fe7ac85 | 34 | /* Return the size of the user struct. */ |
a14ed312 | 35 | extern int kernel_u_size (void); |
84346e11 | 36 | #define KERNEL_U_SIZE kernel_u_size() |
c906108c | 37 | |
1fe7ac85 MK |
38 | /* This is the amount to substract from u.u_ar0 to get the offset in |
39 | the core file of the register values. */ | |
40 | #define KERNEL_U_ADDR 0 | |
41 | ||
84346e11 MK |
42 | extern CORE_ADDR register_u_addr (CORE_ADDR blockend, int regnum); |
43 | #define REGISTER_U_ADDR(addr, blockend, regnum) \ | |
44 | (addr) = register_u_addr (blockend, regnum) | |
1fe7ac85 | 45 | \f |
84346e11 | 46 | /* Provide access to the i386 hardware debugging registers. */ |
c906108c | 47 | |
7bf0983e | 48 | extern void i386_linux_dr_set_control (unsigned long control); |
84346e11 MK |
49 | #define I386_DR_LOW_SET_CONTROL(control) \ |
50 | i386_linux_dr_set_control (control) | |
c906108c | 51 | |
84346e11 MK |
52 | extern void i386_linux_dr_set_addr (int regnum, CORE_ADDR addr); |
53 | #define I386_DR_LOW_SET_ADDR(regnum, addr) \ | |
54 | i386_linux_dr_set_addr (regnum, addr) | |
c906108c | 55 | |
84346e11 MK |
56 | extern void i386_linux_dr_reset_addr (int regnum); |
57 | #define I386_DR_LOW_RESET_ADDR(regnum) \ | |
58 | i386_linux_dr_reset_addr (regnum) | |
c906108c | 59 | |
7bf0983e | 60 | extern unsigned long i386_linux_dr_get_status (void); |
84346e11 MK |
61 | #define I386_DR_LOW_GET_STATUS() \ |
62 | i386_linux_dr_get_status () | |
a14bd2ea | 63 | \f |
c906108c | 64 | |
f60300e7 | 65 | /* Override copies of {fetch,store}_inferior_registers in `infptrace.c'. */ |
d4f3574e SS |
66 | #define FETCH_INFERIOR_REGISTERS |
67 | ||
84346e11 MK |
68 | /* Nevertheless, define CANNOT_{FETCH,STORE}_REGISTER, because we |
69 | might fall back on the code `infptrace.c' (well a copy of that code | |
70 | in `i386-linux-nat.c' for now) and we can access only the | |
f60300e7 | 71 | general-purpose registers in that way. */ |
d5d65353 PS |
72 | extern int cannot_fetch_register (int regno); |
73 | extern int cannot_store_register (int regno); | |
6ef7fa21 DJ |
74 | #define CANNOT_FETCH_REGISTER(regno) cannot_fetch_register (regno) |
75 | #define CANNOT_STORE_REGISTER(regno) cannot_store_register (regno) | |
f60300e7 | 76 | |
322d4fe0 MK |
77 | #ifdef HAVE_PTRACE_GETFPXREGS |
78 | /* Include register set support for the SSE registers. */ | |
79 | #define FILL_FPXREGSET | |
80 | #endif | |
81 | ||
a6abb2c0 | 82 | /* Override child_resume in `infptrace.c'. */ |
adbef1f0 | 83 | #define DEPRECATED_CHILD_RESUME |
a6abb2c0 | 84 | |
4de4c07c DJ |
85 | /* `linux-nat.c' and `i386-nat.c' have their own versions of |
86 | child_post_startup_inferior. Define this to use the copy in | |
87 | `i386-linux-nat.c' instead, which calls both. | |
88 | ||
89 | NOTE drow/2003-08-17: This is ugly beyond words, but properly | |
90 | fixing it will require some serious surgery. Ideally the target | |
91 | stack could be used for this. */ | |
92 | #define LINUX_CHILD_POST_STARTUP_INFERIOR | |
93 | ||
a14bd2ea | 94 | #endif /* nm-linux.h */ |