diff options
Diffstat (limited to 'gdb/config/m68k/tm-sun3.h')
| -rw-r--r-- | gdb/config/m68k/tm-sun3.h | 198 |
1 files changed, 89 insertions, 109 deletions
diff --git a/gdb/config/m68k/tm-sun3.h b/gdb/config/m68k/tm-sun3.h index f721dcf6fdb..f51666dc044 100644 --- a/gdb/config/m68k/tm-sun3.h +++ b/gdb/config/m68k/tm-sun3.h @@ -1,109 +1,89 @@ -/* Parameters for execution on a Sun, for GDB, the GNU debugger. - Copyright 1986, 1987, 1989, 1992, 1993, 1994, 1996, 2000 - 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_SUN3_H -#define TM_SUN3_H - -/* Sun3 status includes fpflags, which shows whether the FPU has been used - by the process, and whether the FPU was done with an instruction or - was interrupted in the middle of a long instruction. See - <machine/reg.h>. */ -/* a&d, pc,sr, fp, fpstat, fpflags */ - -#define DEPRECATED_REGISTER_BYTES (16*4 + 8 + 8*12 + 3*4 + 4) - -#define NUM_REGS 31 - -#define REGISTER_BYTES_OK(b) \ - ((b) == DEPRECATED_REGISTER_BYTES \ - || (b) == REGISTER_BYTES_FP \ - || (b) == REGISTER_BYTES_NOFP) - -/* If PC contains this instruction, then we know what we are in a system - call stub, and the return PC is is at SP+4, instead of SP. */ - -#define SYSCALL_TRAP 0x4e40 /* trap #0 */ -#define SYSCALL_TRAP_OFFSET 0 /* PC points at trap instruction */ - -#include "m68k/tm-m68k.h" - -/* Disable alternate breakpoint mechanism needed by 68k stub. */ -#undef DEPRECATED_REMOTE_BREAKPOINT - -/* Offsets (in target ints) into jmp_buf. Not defined by Sun, but at least - documented in a comment in <machine/setjmp.h>! */ - -#define JB_ELEMENT_SIZE 4 - -#define JB_ONSSTACK 0 -#define JB_SIGMASK 1 -#define JB_SP 2 -#define JB_PC 3 -#define JB_PSL 4 -#define JB_D2 5 -#define JB_D3 6 -#define JB_D4 7 -#define JB_D5 8 -#define JB_D6 9 -#define JB_D7 10 -#define JB_A2 11 -#define JB_A3 12 -#define JB_A4 13 -#define JB_A5 14 -#define JB_A6 15 - -/* Figure out where the longjmp will land. Slurp the args 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 true on success */ - -#define GET_LONGJMP_TARGET(ADDR) m68k_get_longjmp_target(ADDR) - -/* If sun3 pcc says that a parameter is a short, it's a short. */ -#define BELIEVE_PCC_PROMOTION_TYPE 1 - -/* Can't define BELIEVE_PCC_PROMOTION for SunOS /bin/cc of SunOS 4.1.1. - Apparently Sun fixed this for the sparc but not the sun3. */ - -/* The code which tries to deal with this bug is never harmful on a sun3. */ -#define SUN_FIXED_LBRAC_BUG (0) - -/* On the sun3 the kernel pushes a sigcontext on the user stack and - then `calls' _sigtramp in user code. _sigtramp saves the floating - point status on the stack and calls the signal handler - function. The stack does not contain enough information to allow a - normal backtrace, but sigcontext contains the saved user - pc/sp. DEPRECATED_FRAME_CHAIN and friends in tm-m68k.h and - m68k_find_saved_regs deal with this situation by manufacturing a - fake frame for _sigtramp. SIG_PC_FP_OFFSET is the offset from the - signal handler frame to the saved pc in sigcontext. - SIG_SP_FP_OFFSET is the offset from the signal handler frame to the - end of sigcontext which is identical to the saved sp at - SIG_PC_FP_OFFSET - 4. - - Please note that it is impossible to correctly backtrace from a breakpoint - in _sigtramp as _sigtramp modifies the stack pointer a few times. */ - -#undef SIG_PC_FP_OFFSET -#define SIG_PC_FP_OFFSET 324 -#define SIG_SP_FP_OFFSET 332 - -#endif /* TM_SUN3_H */ +// OBSOLETE /* Parameters for execution on a Sun, for GDB, the GNU debugger. +// OBSOLETE Copyright 1986, 1987, 1989, 1992, 1993, 1994, 1996, 2000 +// OBSOLETE Free Software Foundation, Inc. +// OBSOLETE +// OBSOLETE This file is part of GDB. +// OBSOLETE +// OBSOLETE This program is free software; you can redistribute it and/or modify +// OBSOLETE it under the terms of the GNU General Public License as published by +// OBSOLETE the Free Software Foundation; either version 2 of the License, or +// OBSOLETE (at your option) any later version. +// OBSOLETE +// OBSOLETE This program is distributed in the hope that it will be useful, +// OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of +// OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// OBSOLETE GNU General Public License for more details. +// OBSOLETE +// OBSOLETE You should have received a copy of the GNU General Public License +// OBSOLETE along with this program; if not, write to the Free Software +// OBSOLETE Foundation, Inc., 59 Temple Place - Suite 330, +// OBSOLETE Boston, MA 02111-1307, USA. */ +// OBSOLETE +// OBSOLETE #ifndef TM_SUN3_H +// OBSOLETE #define TM_SUN3_H +// OBSOLETE +// OBSOLETE /* Sun3 status includes fpflags, which shows whether the FPU has been used +// OBSOLETE by the process, and whether the FPU was done with an instruction or +// OBSOLETE was interrupted in the middle of a long instruction. See +// OBSOLETE <machine/reg.h>. */ +// OBSOLETE /* a&d, pc,sr, fp, fpstat, fpflags */ +// OBSOLETE +// OBSOLETE #define DEPRECATED_REGISTER_BYTES (16*4 + 8 + 8*12 + 3*4 + 4) +// OBSOLETE +// OBSOLETE #define NUM_REGS 31 +// OBSOLETE +// OBSOLETE #define REGISTER_BYTES_OK(b) \ +// OBSOLETE ((b) == DEPRECATED_REGISTER_BYTES \ +// OBSOLETE || (b) == REGISTER_BYTES_FP \ +// OBSOLETE || (b) == REGISTER_BYTES_NOFP) +// OBSOLETE +// OBSOLETE /* If PC contains this instruction, then we know what we are in a system +// OBSOLETE call stub, and the return PC is is at SP+4, instead of SP. */ +// OBSOLETE +// OBSOLETE #define SYSCALL_TRAP 0x4e40 /* trap #0 */ +// OBSOLETE #define SYSCALL_TRAP_OFFSET 0 /* PC points at trap instruction */ +// OBSOLETE +// OBSOLETE #include "m68k/tm-m68k.h" +// OBSOLETE +// OBSOLETE /* Disable alternate breakpoint mechanism needed by 68k stub. */ +// OBSOLETE #undef DEPRECATED_REMOTE_BREAKPOINT +// OBSOLETE +// OBSOLETE /* Offsets (in target ints) into jmp_buf. Not defined by Sun, but at least +// OBSOLETE documented in a comment in <machine/setjmp.h>! */ +// OBSOLETE +// OBSOLETE #define JB_ELEMENT_SIZE 4 +// OBSOLETE +// OBSOLETE #define JB_ONSSTACK 0 +// OBSOLETE #define JB_SIGMASK 1 +// OBSOLETE #define JB_SP 2 +// OBSOLETE #define JB_PC 3 +// OBSOLETE #define JB_PSL 4 +// OBSOLETE #define JB_D2 5 +// OBSOLETE #define JB_D3 6 +// OBSOLETE #define JB_D4 7 +// OBSOLETE #define JB_D5 8 +// OBSOLETE #define JB_D6 9 +// OBSOLETE #define JB_D7 10 +// OBSOLETE #define JB_A2 11 +// OBSOLETE #define JB_A3 12 +// OBSOLETE #define JB_A4 13 +// OBSOLETE #define JB_A5 14 +// OBSOLETE #define JB_A6 15 +// OBSOLETE +// OBSOLETE /* Figure out where the longjmp will land. Slurp the args out of the stack. +// OBSOLETE We expect the first arg to be a pointer to the jmp_buf structure from which +// OBSOLETE we extract the pc (JB_PC) that we will land at. The pc is copied into ADDR. +// OBSOLETE This routine returns true on success */ +// OBSOLETE +// OBSOLETE #define GET_LONGJMP_TARGET(ADDR) m68k_get_longjmp_target(ADDR) +// OBSOLETE +// OBSOLETE /* If sun3 pcc says that a parameter is a short, it's a short. */ +// OBSOLETE #define BELIEVE_PCC_PROMOTION_TYPE 1 +// OBSOLETE +// OBSOLETE /* Can't define BELIEVE_PCC_PROMOTION for SunOS /bin/cc of SunOS 4.1.1. +// OBSOLETE Apparently Sun fixed this for the sparc but not the sun3. */ +// OBSOLETE +// OBSOLETE /* The code which tries to deal with this bug is never harmful on a sun3. */ +// OBSOLETE #define SUN_FIXED_LBRAC_BUG (0) +// OBSOLETE +// OBSOLETE #endif /* TM_SUN3_H */ |