diff options
Diffstat (limited to 'gdb/alphabsd-nat.c')
| -rw-r--r-- | gdb/alphabsd-nat.c | 94 |
1 files changed, 19 insertions, 75 deletions
diff --git a/gdb/alphabsd-nat.c b/gdb/alphabsd-nat.c index 92b0fc2..b26d3ea 100644 --- a/gdb/alphabsd-nat.c +++ b/gdb/alphabsd-nat.c @@ -23,6 +23,7 @@ #include "regcache.h" #include "alpha-tdep.h" +#include "alphabsd-tdep.h" #include <sys/types.h> #include <sys/ptrace.h> @@ -36,96 +37,39 @@ typedef struct reg gregset_t; #endif -#ifndef HAVE_FPREGSET_T -typedef struct fpreg fpregset_t; -#endif +#ifndef HAVE_FPREGSET_T +typedef struct fpreg fpregset_t; +#endif #include "gregset.h" -/* Number of general-purpose registers. */ -#define NUM_GREGS 32 - -/* Number of floating point registers. */ -#define NUM_FPREGS 31 - - -/* Transfering the registers between GDB, inferiors and core files. */ - -/* Fill GDB's register array with the general-purpose register values - in *GREGSETP. */ +/* Provide *regset() wrappers around the generic Alpha BSD register + supply/fill routines. */ void supply_gregset (gregset_t *gregsetp) { - int i; - - for (i = 0; i < NUM_GREGS; i++) - { - if (CANNOT_FETCH_REGISTER (i)) - supply_register (i, NULL); - else - supply_register (i, (char *) &gregsetp->r_regs[i]); - } - - /* The PC travels in the R_ZERO slot. */ - supply_register (PC_REGNUM, (char *) &gregsetp->r_regs[R_ZERO]); + alphabsd_supply_reg ((char *) gregsetp, -1); } -/* Fill register REGNO (if it is a general-purpose register) in - *GREGSETPS with the value in GDB's register array. If REGNO is -1, - do this for all registers. */ - void fill_gregset (gregset_t *gregsetp, int regno) { - int i; - - for (i = 0; i < NUM_GREGS; i++) - if ((regno == -1 || regno == i) && ! CANNOT_STORE_REGISTER (i)) - regcache_collect (i, (char *) &gregsetp->r_regs[i]); - - /* The PC travels in the R_ZERO slot. */ - if (regno == -1 || regno == PC_REGNUM) - regcache_collect (PC_REGNUM, (char *) &gregsetp->r_regs[R_ZERO]); + alphabsd_fill_reg ((char *) gregsetp, regno); } -/* Fill GDB's register array with the floating-point register values - in *FPREGSETP. */ - void supply_fpregset (fpregset_t *fpregsetp) { - int i; - - for (i = FP0_REGNUM; i < FP0_REGNUM + NUM_FPREGS; i++) - { - if (CANNOT_FETCH_REGISTER (i)) - supply_register (i, NULL); - else - supply_register (i, (char *) &fpregsetp->fpr_regs[i - FP0_REGNUM]); - } - - supply_register (ALPHA_FPCR_REGNUM, (char *) &fpregsetp->fpr_cr); + alphabsd_supply_fpreg ((char *) fpregsetp, -1); } -/* Fill register REGNO (if it is a floating-point register) in - *FPREGSETP with the value in GDB's register array. If REGNO is -1, - do this for all registers. */ - void fill_fpregset (fpregset_t *fpregsetp, int regno) { - int i; - - for (i = FP0_REGNUM; i < FP0_REGNUM + NUM_FPREGS; i++) - if ((regno == -1 || regno == i) && ! CANNOT_STORE_REGISTER (i)) - regcache_collect (i, (char *) &fpregsetp->fpr_regs[i - FP0_REGNUM]); - - if (regno == -1 || regno == ALPHA_FPCR_REGNUM) - regcache_collect (ALPHA_FPCR_REGNUM, (char *) &fpregsetp->fpr_cr); + alphabsd_fill_fpreg ((char *) fpregsetp, regno); } - - + /* Determine if PT_GETREGS fetches this register. */ static int @@ -146,26 +90,26 @@ fetch_inferior_registers (int regno) if (regno == -1 || getregs_supplies (regno)) { - gregset_t gregs; + struct reg gregs; if (ptrace (PT_GETREGS, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) &gregs, 0) == -1) perror_with_name ("Couldn't get registers"); - supply_gregset (&gregs); + alphabsd_supply_reg ((char *) &gregs, regno); if (regno != -1) return; } if (regno == -1 || regno >= FP0_REGNUM) { - fpregset_t fpregs; + struct fpreg fpregs; if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) &fpregs, 0) == -1) perror_with_name ("Couldn't get floating point status"); - supply_fpregset (&fpregs); + alphabsd_supply_fpreg ((char *) &fpregs, regno); } /* Reset virtual frame pointer. */ @@ -181,12 +125,12 @@ store_inferior_registers (int regno) if (regno == -1 || getregs_supplies (regno)) { - gregset_t gregs; + struct reg gregs; if (ptrace (PT_GETREGS, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) &gregs, 0) == -1) perror_with_name ("Couldn't get registers"); - fill_gregset (&gregs, regno); + alphabsd_fill_reg ((char *) &gregs, regno); if (ptrace (PT_SETREGS, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) &gregs, 0) == -1) @@ -198,13 +142,13 @@ store_inferior_registers (int regno) if (regno == -1 || regno >= FP0_REGNUM) { - fpregset_t fpregs; + struct fpreg fpregs; if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) &fpregs, 0) == -1) perror_with_name ("Couldn't get floating point status"); - fill_fpregset (&fpregs, regno); + alphabsd_fill_fpreg ((char *) &fpregs, regno); if (ptrace (PT_SETFPREGS, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) &fpregs, 0) == -1) |