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c906108c | 1 | /* Parameters for target execution on an RS6000, for GDB, the GNU debugger. |
db11ed55 AC |
2 | |
3 | Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1995, 1996, | |
4 | 1997, 1998, 1999, 2000, 2004 Free Software Foundation, Inc. | |
5 | ||
c906108c SS |
6 | Contributed by IBM Corporation. |
7 | ||
c5aa993b | 8 | This file is part of GDB. |
c906108c | 9 | |
c5aa993b JM |
10 | This program is free software; you can redistribute it and/or modify |
11 | it under the terms of the GNU General Public License as published by | |
12 | the Free Software Foundation; either version 2 of the License, or | |
13 | (at your option) any later version. | |
c906108c | 14 | |
c5aa993b JM |
15 | This program is distributed in the hope that it will be useful, |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
c906108c | 19 | |
c5aa993b JM |
20 | You should have received a copy of the GNU General Public License |
21 | along with this program; if not, write to the Free Software | |
22 | Foundation, Inc., 59 Temple Place - Suite 330, | |
23 | Boston, MA 02111-1307, USA. */ | |
c906108c | 24 | |
da3331ec AC |
25 | struct frame_info; |
26 | ||
7a78ae4e | 27 | #define GDB_MULTI_ARCH 1 |
c906108c SS |
28 | |
29 | /* Minimum possible text address in AIX */ | |
30 | ||
31 | #define TEXT_SEGMENT_BASE 0x10000000 | |
32 | ||
977adac5 ND |
33 | /* Return whether PC in function NAME is in code that should be skipped when |
34 | single-stepping. */ | |
35 | ||
36 | #define IN_SOLIB_RETURN_TRAMPOLINE(pc, name) \ | |
37 | rs6000_in_solib_return_trampoline (pc, name) | |
38 | extern int rs6000_in_solib_return_trampoline (CORE_ADDR, char *); | |
39 | ||
c906108c SS |
40 | /* If PC is in some function-call trampoline code, return the PC |
41 | where the function itself actually starts. If not, return NULL. */ | |
42 | ||
7a78ae4e ND |
43 | #define SKIP_TRAMPOLINE_CODE(pc) rs6000_skip_trampoline_code (pc) |
44 | extern CORE_ADDR rs6000_skip_trampoline_code (CORE_ADDR); | |
c906108c | 45 | |
c906108c SS |
46 | /* AIX has a couple of strange returns from wait(). */ |
47 | ||
48 | #define CHILD_SPECIAL_WAITSTATUS(ourstatus, hoststatus) ( \ | |
49 | /* "stop after load" status. */ \ | |
50 | (hoststatus) == 0x57c ? (ourstatus)->kind = TARGET_WAITKIND_LOADED, 1 : \ | |
51 | \ | |
52 | /* signal 0. I have no idea why wait(2) returns with this status word. */ \ | |
53 | /* It looks harmless. */ \ | |
54 | (hoststatus) == 0x7f ? (ourstatus)->kind = TARGET_WAITKIND_SPURIOUS, 1 : \ | |
55 | \ | |
56 | /* A normal waitstatus. Let the usual macros deal with it. */ \ | |
57 | 0) | |
58 | ||
59 | /* In xcoff, we cannot process line numbers when we see them. This is | |
60 | mainly because we don't know the boundaries of the include files. So, | |
61 | we postpone that, and then enter and sort(?) the whole line table at | |
62 | once, when we are closing the current symbol table in end_symtab(). */ | |
63 | ||
64 | #define PROCESS_LINENUMBER_HOOK() aix_process_linenos () | |
a14ed312 | 65 | extern void aix_process_linenos (void); |
c5aa993b | 66 | |
c906108c SS |
67 | /* Register numbers of various important registers. |
68 | Note that some of these values are "real" register numbers, | |
69 | and correspond to the general registers of the machine, | |
70 | and some are "phony" register numbers which are too large | |
71 | to be actual register numbers as far as the user is concerned | |
72 | but do serve to get the desired values when passed to read_register. */ | |
73 | ||
c906108c | 74 | #define FP0_REGNUM 32 /* Floating point register 0 */ |
c5aa993b | 75 | #define FPLAST_REGNUM 63 /* Last floating point register */ |
c906108c | 76 | |
c906108c SS |
77 | /* Define other aspects of the stack frame. */ |
78 | ||
2ca6c561 | 79 | #define DEPRECATED_INIT_FRAME_PC_FIRST(fromleaf, prev) \ |
6913c89a | 80 | (fromleaf ? DEPRECATED_SAVED_PC_AFTER_CALL (prev->next) : \ |
8bedc050 | 81 | prev->next ? DEPRECATED_FRAME_SAVED_PC (prev->next) : read_pc ()) |
c906108c | 82 | |
7a78ae4e ND |
83 | /* Notice when a new child process is started. */ |
84 | ||
85 | #define TARGET_CREATE_INFERIOR_HOOK rs6000_create_inferior | |
86 | extern void rs6000_create_inferior (int); | |
87 | ||
88 | /* Hook in rs6000-tdep.c for determining the TOC address when | |
89 | calling functions in the inferior. */ | |
90 | ||
91 | extern CORE_ADDR (*rs6000_find_toc_address_hook) (CORE_ADDR); | |
c906108c | 92 | |
7a78ae4e ND |
93 | /* Hook in rs6000-tdep.c to set the current architecture when starting a |
94 | child process. */ | |
c906108c | 95 | |
7a78ae4e | 96 | extern void (*rs6000_set_host_arch_hook) (int); |
2d5177f3 KB |
97 | |
98 | /* We need solib.h for building cross debuggers. However, we don't want | |
99 | to clobber any special solib support required by native debuggers, so | |
100 | only include solib.h if SOLIB_ADD is not defined. */ | |
101 | #ifndef SOLIB_ADD | |
102 | #include "solib.h" | |
103 | #endif |