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Diffstat (limited to 'contrib/gdb/gdb/irix4-nat.c')
| -rw-r--r-- | contrib/gdb/gdb/irix4-nat.c | 192 |
1 files changed, 0 insertions, 192 deletions
diff --git a/contrib/gdb/gdb/irix4-nat.c b/contrib/gdb/gdb/irix4-nat.c deleted file mode 100644 index 8cd9b4c..0000000 --- a/contrib/gdb/gdb/irix4-nat.c +++ /dev/null @@ -1,192 +0,0 @@ -/* Native support for the SGI Iris running IRIX version 4, for GDB. - Copyright 1988, 1989, 1990, 1991, 1992, 1993, 1995 - Free Software Foundation, Inc. - Contributed by Alessandro Forin(af@cs.cmu.edu) at CMU - and by Per Bothner(bothner@cs.wisc.edu) at U.Wisconsin. - Implemented for Irix 4.x by Garrett A. Wollman. - -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 "gdbcore.h" - -#include <sys/time.h> -#include <sys/procfs.h> -#include <setjmp.h> /* For JB_XXX. */ - -/* Size of elements in jmpbuf */ - -#define JB_ELEMENT_SIZE 4 - -typedef unsigned int greg_t; /* why isn't this defined? */ - -/* - * See the comment in m68k-tdep.c regarding the utility of these functions. - */ - -void -supply_gregset (gregsetp) - gregset_t *gregsetp; -{ - register int regi; - register greg_t *regp = (greg_t *)(gregsetp->gp_regs); - static char zerobuf[MAX_REGISTER_RAW_SIZE] = {0}; - - /* FIXME: somewhere, there should be a #define for the meaning - of this magic number 32; we should use that. */ - for(regi = 0; regi < 32; regi++) - supply_register (regi, (char *)(regp + regi)); - - supply_register (PC_REGNUM, (char *)&(gregsetp->gp_pc)); - supply_register (HI_REGNUM, (char *)&(gregsetp->gp_mdhi)); - supply_register (LO_REGNUM, (char *)&(gregsetp->gp_mdlo)); - supply_register (CAUSE_REGNUM, (char *)&(gregsetp->gp_cause)); - - /* Fill inaccessible registers with zero. */ - supply_register (BADVADDR_REGNUM, zerobuf); -} - -void -fill_gregset (gregsetp, regno) - gregset_t *gregsetp; - int regno; -{ - int regi; - register greg_t *regp = (greg_t *)(gregsetp->gp_regs); - - /* same FIXME as above wrt 32*/ - for (regi = 0; regi < 32; regi++) - if ((regno == -1) || (regno == regi)) - *(regp + regi) = *(greg_t *) ®isters[REGISTER_BYTE (regi)]; - - if ((regno == -1) || (regno == PC_REGNUM)) - gregsetp->gp_pc = *(greg_t *) ®isters[REGISTER_BYTE (PC_REGNUM)]; - - if ((regno == -1) || (regno == CAUSE_REGNUM)) - gregsetp->gp_cause = *(greg_t *) ®isters[REGISTER_BYTE (CAUSE_REGNUM)]; - - if ((regno == -1) || (regno == HI_REGNUM)) - gregsetp->gp_mdhi = *(greg_t *) ®isters[REGISTER_BYTE (HI_REGNUM)]; - - if ((regno == -1) || (regno == LO_REGNUM)) - gregsetp->gp_mdlo = *(greg_t *) ®isters[REGISTER_BYTE (LO_REGNUM)]; -} - -/* - * Now we do the same thing for floating-point registers. - * We don't bother to condition on FP0_REGNUM since any - * reasonable MIPS configuration has an R3010 in it. - * - * Again, see the comments in m68k-tdep.c. - */ - -void -supply_fpregset (fpregsetp) - fpregset_t *fpregsetp; -{ - register int regi; - static char zerobuf[MAX_REGISTER_RAW_SIZE] = {0}; - - for (regi = 0; regi < 32; regi++) - supply_register (FP0_REGNUM + regi, - (char *)&fpregsetp->fp_r.fp_regs[regi]); - - supply_register (FCRCS_REGNUM, (char *)&fpregsetp->fp_csr); - - /* FIXME: how can we supply FCRIR_REGNUM? SGI doesn't tell us. */ - supply_register (FCRIR_REGNUM, zerobuf); -} - -void -fill_fpregset (fpregsetp, regno) - fpregset_t *fpregsetp; - int regno; -{ - int regi; - char *from, *to; - - for (regi = FP0_REGNUM; regi < FP0_REGNUM + 32; regi++) - { - if ((regno == -1) || (regno == regi)) - { - from = (char *) ®isters[REGISTER_BYTE (regi)]; - to = (char *) &(fpregsetp->fp_r.fp_regs[regi - FP0_REGNUM]); - memcpy(to, from, REGISTER_RAW_SIZE (regi)); - } - } - - if ((regno == -1) || (regno == FCRCS_REGNUM)) - fpregsetp->fp_csr = *(unsigned *) ®isters[REGISTER_BYTE(FCRCS_REGNUM)]; -} - - -/* 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; -{ - char buf[TARGET_PTR_BIT / TARGET_CHAR_BIT]; - CORE_ADDR jb_addr; - - jb_addr = read_register (A0_REGNUM); - - if (target_read_memory (jb_addr + JB_PC * JB_ELEMENT_SIZE, buf, - TARGET_PTR_BIT / TARGET_CHAR_BIT)) - return 0; - - *pc = extract_address (buf, TARGET_PTR_BIT / TARGET_CHAR_BIT); - - return 1; -} - -static void -fetch_core_registers (core_reg_sect, core_reg_size, which, reg_addr) - char *core_reg_sect; - unsigned core_reg_size; - int which; /* Unused */ - unsigned int reg_addr; /* Unused */ -{ - if (core_reg_size != REGISTER_BYTES) - { - warning ("wrong size gregset struct in core file"); - return; - } - - memcpy ((char *)registers, core_reg_sect, core_reg_size); -} - - -/* Register that we are able to handle irix4 core file formats. - FIXME: is this really bfd_target_unknown_flavour? */ - -static struct core_fns irix4_core_fns = -{ - bfd_target_unknown_flavour, - fetch_core_registers, - NULL -}; - -void -_initialize_core_irix4 () -{ - add_core_fns (&irix4_core_fns); -} |
