diff options
Diffstat (limited to 'gnu/usr.bin/binutils/gdb5/alpha/freebsd-nat.c')
| -rw-r--r-- | gnu/usr.bin/binutils/gdb5/alpha/freebsd-nat.c | 175 |
1 files changed, 0 insertions, 175 deletions
diff --git a/gnu/usr.bin/binutils/gdb5/alpha/freebsd-nat.c b/gnu/usr.bin/binutils/gdb5/alpha/freebsd-nat.c deleted file mode 100644 index 4bfd8ed..0000000 --- a/gnu/usr.bin/binutils/gdb5/alpha/freebsd-nat.c +++ /dev/null @@ -1,175 +0,0 @@ -/* Native-dependent code for BSD Unix running on i386's, for GDB. - Copyright 1988, 1989, 1991, 1992, 1994, 1996 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. */ - -/* $FreeBSD$ */ - -#include "defs.h" - -#include <sys/types.h> -#include <sys/ptrace.h> -#include <machine/reg.h> -#include <machine/frame.h> -#include <sys/param.h> -#include <sys/user.h> -#include <string.h> -#include "gdbcore.h" -#include "value.h" -#include "inferior.h" - -#if defined(HAVE_GREGSET_T) -#include <sys/procfs.h> -#endif - -int kernel_debugging = 0; - -/* Size of elements in jmpbuf */ - -#define JB_ELEMENT_SIZE 8 - -/* The definition for JB_PC in machine/reg.h is wrong. - And we can't get at the correct definition in setjmp.h as it is - not always available (eg. if _POSIX_SOURCE is defined which is the - default). As the defintion is unlikely to change (see comment - in <setjmp.h>, define the correct value here. */ - -#undef JB_PC -#define JB_PC 2 - -/* Figure out where the longjmp will land. - 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 PC. - This routine returns true on success. */ - -int -get_longjmp_target (pc) - CORE_ADDR *pc; -{ - CORE_ADDR jb_addr; - char raw_buffer[MAX_REGISTER_RAW_SIZE]; - - jb_addr = read_register(A0_REGNUM); - - if (target_read_memory(jb_addr + JB_PC * JB_ELEMENT_SIZE, raw_buffer, - sizeof(CORE_ADDR))) - return 0; - - *pc = extract_address (raw_buffer, sizeof(CORE_ADDR)); - return 1; -} - -void -fetch_inferior_registers (regno) - int regno; -{ - struct reg regs; /* ptrace order, not gcc/gdb order */ - struct fpreg fpregs; - int r; - - ptrace (PT_GETREGS, inferior_pid, (PTRACE_ARG3_TYPE) ®s, 0); - ptrace (PT_GETFPREGS, inferior_pid, (PTRACE_ARG3_TYPE) &fpregs, 0); - - for (r = 0; r < 31; r++) - memcpy (®isters[REGISTER_BYTE (r)], - ®s.r_regs[r], sizeof(u_int64_t)); - for (r = 0; r < 32; r++) - memcpy (®isters[REGISTER_BYTE (r + FP0_REGNUM)], - &fpregs.fpr_regs[r], sizeof(u_int64_t)); - memcpy (®isters[REGISTER_BYTE (PC_REGNUM)], - ®s.r_regs[31], sizeof(u_int64_t)); - - memset (®isters[REGISTER_BYTE (ZERO_REGNUM)], 0, sizeof(u_int64_t)); - memset (®isters[REGISTER_BYTE (FP_REGNUM)], 0, sizeof(u_int64_t)); - - registers_fetched (); -} - -void -store_inferior_registers (regno) - int regno; -{ - struct reg regs; /* ptrace order, not gcc/gdb order */ - struct fpreg fpregs; - int r; - - for (r = 0; r < 31; r++) - memcpy (®s.r_regs[r], - ®isters[REGISTER_BYTE (r)], sizeof(u_int64_t)); - for (r = 0; r < 32; r++) - memcpy (&fpregs.fpr_regs[r], - ®isters[REGISTER_BYTE (r + FP0_REGNUM)], sizeof(u_int64_t)); - memcpy (®s.r_regs[31], - ®isters[REGISTER_BYTE (PC_REGNUM)], sizeof(u_int64_t)); - - ptrace (PT_SETREGS, inferior_pid, (PTRACE_ARG3_TYPE) ®s, 0); - ptrace (PT_SETFPREGS, inferior_pid, (PTRACE_ARG3_TYPE) &fpregs, 0); -} - -#ifdef HAVE_GREGSET_T -void -supply_gregset (gp) - gregset_t *gp; -{ - int regno = 0; - - /* These must be ordered the same as REGISTER_NAMES in - config/alpha/tm-alpha.h. */ - for (regno = 0; regno < 31; regno++) - supply_register (regno, (char *)&gp->r_regs[regno]); - supply_register (PC_REGNUM, (char *)&gp->r_regs[regno]); -} -#endif /* HAVE_GREGSET_T */ - -#ifdef HAVE_FPREGSET_T -void -supply_fpregset (fp) - fpregset_t *fp; -{ - int regno = 0; - - for (regno = 0; regno < 32; regno++) - supply_register (regno + 32, (char *)&fp->fpr_regs[regno]); -} -#endif /* HAVE_FPREGSET_T */ - -/* - * Get registers from a kernel crash dump or live kernel. - * Called by kvm-fbsd.c:get_kcore_registers(). - */ -fetch_kcore_registers (pcbp) - struct pcb *pcbp; -{ - - /* First clear out any garbage. */ - memset(registers, '\0', REGISTER_BYTES); - - /* SP */ - *(long *) ®isters[REGISTER_BYTE (SP_REGNUM)] = - pcbp->pcb_hw.apcb_ksp; - - /* S0 through S6 */ - memcpy (®isters[REGISTER_BYTE (S0_REGNUM)], - &pcbp->pcb_context[0], 7 * sizeof(long)); - - /* PC */ - *(long *) ®isters[REGISTER_BYTE (PC_REGNUM)] = - pcbp->pcb_context[7]; - - registers_fetched (); -} - |
