| /* Low level interface to IA-64 running AIX for GDB, the GNU debugger. |
| |
| Copyright 2000, 2001, 2003 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. */ |
| |
| #include "defs.h" |
| #include "inferior.h" |
| #include "target.h" |
| #include "gdbcore.h" |
| #include "regcache.h" |
| #include <sys/procfs.h> |
| |
| #include "symtab.h" |
| #include "bfd.h" |
| #include "symfile.h" |
| #include "objfiles.h" |
| |
| #include <sys/types.h> |
| #include <fcntl.h> |
| #include "gdb_stat.h" |
| |
| void |
| supply_gregset (prgregset_t *gregsetp) |
| { |
| int regi; |
| |
| for (regi = IA64_GR0_REGNUM; regi <= IA64_GR31_REGNUM; regi++) |
| { |
| supply_register (regi, |
| (char *) &(gregsetp->__gpr[regi - IA64_GR0_REGNUM])); |
| } |
| |
| for (regi = IA64_BR0_REGNUM; regi <= IA64_BR7_REGNUM; regi++) |
| { |
| supply_register (regi, |
| (char *) &(gregsetp->__br[regi - IA64_BR0_REGNUM])); |
| } |
| |
| supply_register (IA64_PSR_REGNUM, (char *) &(gregsetp->__psr)); |
| supply_register (IA64_IP_REGNUM, (char *) &(gregsetp->__ip)); |
| supply_register (IA64_CFM_REGNUM, (char *) &(gregsetp->__ifs)); |
| supply_register (IA64_RSC_REGNUM, (char *) &(gregsetp->__rsc)); |
| supply_register (IA64_BSP_REGNUM, (char *) &(gregsetp->__bsp)); |
| supply_register (IA64_BSPSTORE_REGNUM, (char *) &(gregsetp->__bspstore)); |
| supply_register (IA64_RNAT_REGNUM, (char *) &(gregsetp->__rnat)); |
| supply_register (IA64_PFS_REGNUM, (char *) &(gregsetp->__pfs)); |
| supply_register (IA64_UNAT_REGNUM, (char *) &(gregsetp->__unat)); |
| supply_register (IA64_PR_REGNUM, (char *) &(gregsetp->__preds)); |
| supply_register (IA64_CCV_REGNUM, (char *) &(gregsetp->__ccv)); |
| supply_register (IA64_LC_REGNUM, (char *) &(gregsetp->__lc)); |
| supply_register (IA64_EC_REGNUM, (char *) &(gregsetp->__ec)); |
| /* FIXME: __nats */ |
| supply_register (IA64_FPSR_REGNUM, (char *) &(gregsetp->__fpsr)); |
| |
| /* These (for the most part) are pseudo registers and are obtained |
| by other means. Those that aren't are already handled by the |
| code above. */ |
| for (regi = IA64_GR32_REGNUM; regi <= IA64_GR127_REGNUM; regi++) |
| deprecated_register_valid[regi] = 1; |
| for (regi = IA64_PR0_REGNUM; regi <= IA64_PR63_REGNUM; regi++) |
| deprecated_register_valid[regi] = 1; |
| for (regi = IA64_VFP_REGNUM; regi <= NUM_REGS; regi++) |
| deprecated_register_valid[regi] = 1; |
| } |
| |
| void |
| fill_gregset (prgregset_t *gregsetp, int regno) |
| { |
| int regi; |
| |
| #define COPY_REG(_fld_,_regi_) \ |
| if ((regno == -1) || regno == _regi_) \ |
| memcpy (&(gregsetp->_fld_), &deprecated_registers[DEPRECATED_REGISTER_BYTE (_regi_)], \ |
| REGISTER_RAW_SIZE (_regi_)) |
| |
| for (regi = IA64_GR0_REGNUM; regi <= IA64_GR31_REGNUM; regi++) |
| { |
| COPY_REG (__gpr[regi - IA64_GR0_REGNUM], regi); |
| } |
| |
| for (regi = IA64_BR0_REGNUM; regi <= IA64_BR7_REGNUM; regi++) |
| { |
| COPY_REG (__br[regi - IA64_BR0_REGNUM], regi); |
| } |
| COPY_REG (__psr, IA64_PSR_REGNUM); |
| COPY_REG (__ip, IA64_IP_REGNUM); |
| COPY_REG (__ifs, IA64_CFM_REGNUM); |
| COPY_REG (__rsc, IA64_RSC_REGNUM); |
| COPY_REG (__bsp, IA64_BSP_REGNUM); |
| |
| /* Bad things happen if we don't update both bsp and bspstore at the |
| same time. */ |
| if (regno == IA64_BSP_REGNUM || regno == -1) |
| { |
| memcpy (&(gregsetp->__bspstore), |
| &deprecated_registers[DEPRECATED_REGISTER_BYTE (IA64_BSP_REGNUM)], |
| REGISTER_RAW_SIZE (IA64_BSP_REGNUM)); |
| memcpy (&deprecated_registers[DEPRECATED_REGISTER_BYTE (IA64_BSPSTORE_REGNUM)], |
| &deprecated_registers[DEPRECATED_REGISTER_BYTE (IA64_BSP_REGNUM)], |
| REGISTER_RAW_SIZE (IA64_BSP_REGNUM)); |
| } |
| |
| #if 0 |
| /* We never actually write to bspstore, or we'd have to do the same thing |
| here too. */ |
| COPY_REG (__bspstore, IA64_BSPSTORE_REGNUM); |
| #endif |
| COPY_REG (__rnat, IA64_RNAT_REGNUM); |
| COPY_REG (__pfs, IA64_PFS_REGNUM); |
| COPY_REG (__unat, IA64_UNAT_REGNUM); |
| COPY_REG (__preds, IA64_PR_REGNUM); |
| COPY_REG (__ccv, IA64_CCV_REGNUM); |
| COPY_REG (__lc, IA64_LC_REGNUM); |
| COPY_REG (__ec, IA64_EC_REGNUM); |
| /* FIXME: __nats */ |
| COPY_REG (__fpsr, IA64_FPSR_REGNUM); |
| #undef COPY_REG |
| } |
| |
| void |
| supply_fpregset (prfpregset_t *fpregsetp) |
| { |
| int regi; |
| |
| for (regi = IA64_FR0_REGNUM; regi <= IA64_FR127_REGNUM; regi++) |
| supply_register (regi, |
| (char *) &(fpregsetp->__fpr[regi - IA64_FR0_REGNUM])); |
| } |
| |
| void |
| fill_fpregset (prfpregset_t *fpregsetp, int regno) |
| { |
| int regi; |
| char *to; |
| char *from; |
| |
| for (regi = IA64_FR0_REGNUM; regi <= IA64_FR127_REGNUM; regi++) |
| { |
| if ((regno == -1) || (regno == regi)) |
| { |
| from = (char *) &deprecated_registers[DEPRECATED_REGISTER_BYTE (regi)]; |
| to = (char *) &(fpregsetp->__fpr[regi - IA64_FR0_REGNUM]); |
| memcpy (to, from, REGISTER_RAW_SIZE (regi)); |
| } |
| } |
| } |