projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| b1de302a | 1 | /* Parameters for Hewlett-Packard 9000/300 native support under bsd. |
| aea94564 | 2 | Copyright 1986, 1987, 1989, 1991, 1992, 1993 Free Software Foundation, Inc. |
| b1de302a RP |
3 | |
| 4 | This file is part of GDB. | |
| 5 | ||
| 6 | This program is free software; you can redistribute it and/or modify | |
| 7 | it under the terms of the GNU General Public License as published by | |
| 8 | the Free Software Foundation; either version 2 of the License, or | |
| 9 | (at your option) any later version. | |
| 10 | ||
| 11 | This program is distributed in the hope that it will be useful, | |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 | GNU General Public License for more details. | |
| 15 | ||
| 16 | You should have received a copy of the GNU General Public License | |
| 17 | along with this program; if not, write to the Free Software | |
| 18 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
| 19 | ||
| 5e3d0ab0 JG |
20 | /* This is a hack. This is only a hack. Were this a common source file, |
| 21 | rather than a config file specific to BSD on HP 68k's, you would have | |
| 22 | been instructed to clean this up. As it is, clean it up if FSF's | |
| 23 | HP's-running-ancient-BSD ever go away. */ | |
| 24 | ||
| 25 | #include <errno.h> | |
| 26 | #ifdef EPROCUNAVAIL | |
| 27 | /* BSD 4.4 alpha or better */ | |
| 28 | ||
| 29 | /* We can attach to processes using ptrace. */ | |
| 30 | ||
| 31 | #define ATTACH_DETACH | |
| 32 | #define PTRACE_ATTACH 10 | |
| 33 | #define PTRACE_DETACH 11 | |
| 34 | ||
| 35 | /* The third argument of ptrace is declared as this type. */ | |
| 36 | ||
| 37 | #define PTRACE_ARG3_TYPE caddr_t | |
| 38 | ||
| 39 | /* U_REGS_OFFSET is the offset of the registers within the u area for | |
| 40 | ptrace purposes. */ | |
| 41 | #define U_REGS_OFFSET \ | |
| 42 | ptrace (PT_READ_U, inferior_pid, \ | |
| 43 | (PTRACE_ARG3_TYPE) \ | |
| 44 | (offsetof (struct user, u_kproc.kp_proc.p_md.md_regs)), 0) \ | |
| 45 | - USRSTACK | |
| 46 | ||
| 47 | /* This is a piece of magic that is given a register number REGNO | |
| 48 | and as BLOCKEND the address in the system of the end of the user structure | |
| 49 | and stores in ADDR the address in the kernel or core dump | |
| 50 | of that register. */ | |
| 51 | ||
| 52 | #define REGISTER_U_ADDR(addr, blockend, regno) \ | |
| 53 | { \ | |
| 54 | if (regno < PS_REGNUM) \ | |
| 55 | addr = (int) &((struct frame *)(blockend))->f_regs[regno]; \ | |
| 56 | else if (regno == PS_REGNUM) \ | |
| 57 | addr = (int) &((struct frame *)(blockend))->f_stackadj; \ | |
| 58 | else if (regno == PC_REGNUM) \ | |
| 59 | addr = (int) &((struct frame *)(blockend))->f_pc; \ | |
| 60 | else if (regno < FPC_REGNUM) \ | |
| 61 | addr = (int) \ | |
| 62 | &((struct user *)0)->u_pcb.pcb_fpregs.fpf_regs[((regno)-FP0_REGNUM)*3];\ | |
| 63 | else if (regno == FPC_REGNUM) \ | |
| 64 | addr = (int) &((struct user *)0)->u_pcb.pcb_fpregs.fpf_fpcr; \ | |
| 65 | else if (regno == FPS_REGNUM) \ | |
| 66 | addr = (int) &((struct user *)0)->u_pcb.pcb_fpregs.fpf_fpsr; \ | |
| 67 | else \ | |
| 68 | addr = (int) &((struct user *)0)->u_pcb.pcb_fpregs.fpf_fpiar; \ | |
| 69 | } | |
| 70 | #else | |
| 71 | ||
| 72 | /* THIS IS BSD 4.3 or something like it. */ | |
| 73 | ||
| b1de302a RP |
74 | /* This is a piece of magic that is given a register number REGNO |
| 75 | and as BLOCKEND the address in the system of the end of the user structure | |
| 76 | and stores in ADDR the address in the kernel or core dump | |
| 77 | of that register. */ | |
| 78 | ||
| 79 | #define REGISTER_U_ADDR(addr, blockend, regno) \ | |
| 80 | { \ | |
| 81 | if (regno < PS_REGNUM) \ | |
| 82 | addr = (int) &((struct frame *)(blockend))->f_regs[regno]; \ | |
| 83 | else if (regno == PS_REGNUM) \ | |
| 84 | addr = (int) &((struct frame *)(blockend))->f_stackadj; \ | |
| 85 | else if (regno == PC_REGNUM) \ | |
| 86 | addr = (int) &((struct frame *)(blockend))->f_pc; \ | |
| 87 | else if (regno < FPC_REGNUM) \ | |
| 88 | addr = (int) \ | |
| 89 | &((struct user *)0)->u_pcb.pcb_fpregs.fpf_regs[((regno)-FP0_REGNUM)*3];\ | |
| 90 | else if (regno == FPC_REGNUM) \ | |
| 91 | addr = (int) &((struct user *)0)->u_pcb.pcb_fpregs.fpf_fpcr; \ | |
| 92 | else if (regno == FPS_REGNUM) \ | |
| 93 | addr = (int) &((struct user *)0)->u_pcb.pcb_fpregs.fpf_fpsr; \ | |
| 94 | else \ | |
| 95 | addr = (int) &((struct user *)0)->u_pcb.pcb_fpregs.fpf_fpiar; \ | |
| 96 | } | |
| add04f8b | 97 | #endif |