diff options
Diffstat (limited to 'contrib/gdb/gdb/ia64-aix-nat.c')
| -rw-r--r-- | contrib/gdb/gdb/ia64-aix-nat.c | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/contrib/gdb/gdb/ia64-aix-nat.c b/contrib/gdb/gdb/ia64-aix-nat.c new file mode 100644 index 0000000..c41cc7c --- /dev/null +++ b/contrib/gdb/gdb/ia64-aix-nat.c @@ -0,0 +1,161 @@ +/* Functions specific to running gdb native on IA-64 running AIX. + Copyright 2000, 2001 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++) + register_valid[regi] = 1; + for (regi = IA64_PR0_REGNUM; regi <= IA64_PR63_REGNUM; regi++) + register_valid[regi] = 1; + for (regi = IA64_VFP_REGNUM; regi <= NUM_REGS; regi++) + 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_), ®isters[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), + ®isters[REGISTER_BYTE (IA64_BSP_REGNUM)], + REGISTER_RAW_SIZE (IA64_BSP_REGNUM)); + memcpy (®isters[REGISTER_BYTE (IA64_BSPSTORE_REGNUM)], + ®isters[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) +{ + register 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 *) ®isters[REGISTER_BYTE (regi)]; + to = (char *) &(fpregsetp->__fpr[regi - IA64_FR0_REGNUM]); + memcpy (to, from, REGISTER_RAW_SIZE (regi)); + } + } +} |
