| /* Parameters for target execution on an RS6000, for GDB, the GNU debugger. |
| Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997, |
| 1998, 1999, 2000 |
| Free Software Foundation, Inc. |
| Contributed by IBM Corporation. |
| |
| 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. */ |
| |
| #define GDB_MULTI_ARCH 1 |
| |
| /* Minimum possible text address in AIX */ |
| |
| #define TEXT_SEGMENT_BASE 0x10000000 |
| |
| /* Return whether PC in function NAME is in code that should be skipped when |
| single-stepping. */ |
| |
| #define IN_SOLIB_RETURN_TRAMPOLINE(pc, name) \ |
| rs6000_in_solib_return_trampoline (pc, name) |
| extern int rs6000_in_solib_return_trampoline (CORE_ADDR, char *); |
| |
| /* If PC is in some function-call trampoline code, return the PC |
| where the function itself actually starts. If not, return NULL. */ |
| |
| #define SKIP_TRAMPOLINE_CODE(pc) rs6000_skip_trampoline_code (pc) |
| extern CORE_ADDR rs6000_skip_trampoline_code (CORE_ADDR); |
| |
| /* Number of trap signals we need to skip over, once the inferior process |
| starts running. */ |
| |
| #define START_INFERIOR_TRAPS_EXPECTED 2 |
| |
| /* AIX has a couple of strange returns from wait(). */ |
| |
| #define CHILD_SPECIAL_WAITSTATUS(ourstatus, hoststatus) ( \ |
| /* "stop after load" status. */ \ |
| (hoststatus) == 0x57c ? (ourstatus)->kind = TARGET_WAITKIND_LOADED, 1 : \ |
| \ |
| /* signal 0. I have no idea why wait(2) returns with this status word. */ \ |
| /* It looks harmless. */ \ |
| (hoststatus) == 0x7f ? (ourstatus)->kind = TARGET_WAITKIND_SPURIOUS, 1 : \ |
| \ |
| /* A normal waitstatus. Let the usual macros deal with it. */ \ |
| 0) |
| |
| /* In xcoff, we cannot process line numbers when we see them. This is |
| mainly because we don't know the boundaries of the include files. So, |
| we postpone that, and then enter and sort(?) the whole line table at |
| once, when we are closing the current symbol table in end_symtab(). */ |
| |
| #define PROCESS_LINENUMBER_HOOK() aix_process_linenos () |
| extern void aix_process_linenos (void); |
| |
| /* Register numbers of various important registers. |
| Note that some of these values are "real" register numbers, |
| and correspond to the general registers of the machine, |
| and some are "phony" register numbers which are too large |
| to be actual register numbers as far as the user is concerned |
| but do serve to get the desired values when passed to read_register. */ |
| |
| #define FP0_REGNUM 32 /* Floating point register 0 */ |
| #define FPLAST_REGNUM 63 /* Last floating point register */ |
| |
| /* Define other aspects of the stack frame. */ |
| |
| #define INIT_FRAME_PC_FIRST(fromleaf, prev) \ |
| prev->pc = (fromleaf ? SAVED_PC_AFTER_CALL (prev->next) : \ |
| prev->next ? FRAME_SAVED_PC (prev->next) : read_pc ()); |
| #define INIT_FRAME_PC(fromleaf, prev) /* nothing */ |
| |
| /* Flag for machine-specific stuff in shared files. FIXME */ |
| #define IBM6000_TARGET |
| |
| /* RS6000/AIX does not support PT_STEP. Has to be simulated. */ |
| |
| #define SOFTWARE_SINGLE_STEP_P() 1 |
| extern void rs6000_software_single_step (enum target_signal, int); |
| #define SOFTWARE_SINGLE_STEP(sig,bp_p) rs6000_software_single_step (sig, bp_p) |
| |
| /* Notice when a new child process is started. */ |
| |
| #define TARGET_CREATE_INFERIOR_HOOK rs6000_create_inferior |
| extern void rs6000_create_inferior (int); |
| |
| /* Hook in rs6000-tdep.c for determining the TOC address when |
| calling functions in the inferior. */ |
| |
| extern CORE_ADDR (*rs6000_find_toc_address_hook) (CORE_ADDR); |
| |
| /* Hook in rs6000-tdep.c to set the current architecture when starting a |
| child process. */ |
| |
| extern void (*rs6000_set_host_arch_hook) (int); |
| |
| /* We need solib.h for building cross debuggers. However, we don't want |
| to clobber any special solib support required by native debuggers, so |
| only include solib.h if SOLIB_ADD is not defined. */ |
| #ifndef SOLIB_ADD |
| #include "solib.h" |
| #endif |