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Diffstat (limited to 'gdb/mipsv4-nat.c')
| -rw-r--r-- | gdb/mipsv4-nat.c | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/gdb/mipsv4-nat.c b/gdb/mipsv4-nat.c deleted file mode 100644 index df4b6e9..0000000 --- a/gdb/mipsv4-nat.c +++ /dev/null @@ -1,159 +0,0 @@ -/* Native support for MIPS running SVR4, for GDB. - Copyright 1994, 1995 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 "gdbcore.h" -#include "target.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 - -/* - * See the comment in m68k-tdep.c regarding the utility of these functions. - * - * These definitions are from the MIPS SVR4 ABI, so they may work for - * any MIPS SVR4 target. - */ - -void -supply_gregset (gregsetp) - gregset_t *gregsetp; -{ - register int regi; - register greg_t *regp = &(*gregsetp)[0]; - static char zerobuf[MAX_REGISTER_RAW_SIZE] = {0}; - - for (regi = 0; regi <= CXT_RA; regi++) - supply_register (regi, (char *)(regp + regi)); - - supply_register (PC_REGNUM, (char *)(regp + CXT_EPC)); - supply_register (HI_REGNUM, (char *)(regp + CXT_MDHI)); - supply_register (LO_REGNUM, (char *)(regp + CXT_MDLO)); - supply_register (CAUSE_REGNUM, (char *)(regp + CXT_CAUSE)); - - /* Fill inaccessible registers with zero. */ - supply_register (PS_REGNUM, zerobuf); - supply_register (BADVADDR_REGNUM, zerobuf); - supply_register (FP_REGNUM, zerobuf); - supply_register (UNUSED_REGNUM, zerobuf); - for (regi = FIRST_EMBED_REGNUM; regi <= LAST_EMBED_REGNUM; regi++) - supply_register (regi, zerobuf); -} - -void -fill_gregset (gregsetp, regno) - gregset_t *gregsetp; - int regno; -{ - int regi; - register greg_t *regp = &(*gregsetp)[0]; - - 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)) - *(regp + CXT_EPC) = *(greg_t *) ®isters[REGISTER_BYTE (PC_REGNUM)]; - - if ((regno == -1) || (regno == CAUSE_REGNUM)) - *(regp + CXT_CAUSE) = *(greg_t *) ®isters[REGISTER_BYTE (CAUSE_REGNUM)]; - - if ((regno == -1) || (regno == HI_REGNUM)) - *(regp + CXT_MDHI) = *(greg_t *) ®isters[REGISTER_BYTE (HI_REGNUM)]; - - if ((regno == -1) || (regno == LO_REGNUM)) - *(regp + CXT_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? The ABI 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; -} |