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arm-fbsd-nat: Use fetch_register_set and store_register_set.

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This commit is contained in:
John Baldwin 2021-07-13 08:16:12 -07:00
parent 05dfb57c68
commit f9e5d80cf7
1 changed files with 8 additions and 73 deletions
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81
gdb/arm-fbsd-nat.c
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@ -25,7 +25,6 @@
#include <machine/reg.h>
#include "fbsd-nat.h"
#include "arm-tdep.h"
#include "arm-fbsd-tdep.h"
#include "inf-ptrace.h"
@ -38,56 +37,17 @@ struct arm_fbsd_nat_target : public fbsd_nat_target
static arm_fbsd_nat_target the_arm_fbsd_nat_target;
/* Determine if PT_GETREGS fetches REGNUM. */
static bool
getregs_supplies (int regnum)
{
return ((regnum >= ARM_A1_REGNUM && regnum <= ARM_PC_REGNUM)
|| regnum == ARM_PS_REGNUM);
}
#ifdef PT_GETVFPREGS
/* Determine if PT_GETVFPREGS fetches REGNUM. */
static bool
getvfpregs_supplies (int regnum)
{
return ((regnum >= ARM_D0_REGNUM && regnum <= ARM_D31_REGNUM)
|| regnum == ARM_FPSCR_REGNUM);
}
#endif
/* Fetch register REGNUM from the inferior. If REGNUM is -1, do this
for all registers. */
void
arm_fbsd_nat_target::fetch_registers (struct regcache *regcache, int regnum)
{
pid_t pid = get_ptrace_pid (regcache->ptid ());
if (regnum == -1 || getregs_supplies (regnum))
{
struct reg regs;
if (ptrace (PT_GETREGS, pid, (PTRACE_TYPE_ARG3) &regs, 0) == -1)
perror_with_name (_("Couldn't get registers"));
regcache->supply_regset (&arm_fbsd_gregset, regnum, &regs,
sizeof (regs));
}
fetch_register_set<struct reg> (regcache, regnum, PT_GETREGS,
&arm_fbsd_gregset);
#ifdef PT_GETVFPREGS
if (regnum == -1 || getvfpregs_supplies (regnum))
{
struct vfpreg vfpregs;
if (ptrace (PT_GETVFPREGS, pid, (PTRACE_TYPE_ARG3) &vfpregs, 0) == -1)
perror_with_name (_("Couldn't get floating point status"));
regcache->supply_regset (&arm_fbsd_vfpregset, regnum, &vfpregs,
sizeof (vfpregs));
}
fetch_register_set<struct vfpreg> (regcache, regnum, PT_GETVFPREGS,
&arm_fbsd_vfpregset);
#endif
}
@ -97,36 +57,11 @@ arm_fbsd_nat_target::fetch_registers (struct regcache *regcache, int regnum)
void
arm_fbsd_nat_target::store_registers (struct regcache *regcache, int regnum)
{
pid_t pid = get_ptrace_pid (regcache->ptid ());
if (regnum == -1 || getregs_supplies (regnum))
{
struct reg regs;
if (ptrace (PT_GETREGS, pid, (PTRACE_TYPE_ARG3) &regs, 0) == -1)
perror_with_name (_("Couldn't get registers"));
regcache->collect_regset (&arm_fbsd_gregset, regnum, &regs,
sizeof (regs));
if (ptrace (PT_SETREGS, pid, (PTRACE_TYPE_ARG3) &regs, 0) == -1)
perror_with_name (_("Couldn't write registers"));
}
store_register_set<struct reg> (regcache, regnum, PT_GETREGS, PT_SETREGS,
&arm_fbsd_gregset);
#ifdef PT_GETVFPREGS
if (regnum == -1 || getvfpregs_supplies (regnum))
{
struct vfpreg vfpregs;
if (ptrace (PT_GETVFPREGS, pid, (PTRACE_TYPE_ARG3) &vfpregs, 0) == -1)
perror_with_name (_("Couldn't get floating point status"));
regcache->collect_regset (&arm_fbsd_vfpregset, regnum, &vfpregs,
sizeof (vfpregs));
if (ptrace (PT_SETVFPREGS, pid, (PTRACE_TYPE_ARG3) &vfpregs, 0) == -1)
perror_with_name (_("Couldn't write floating point status"));
}
store_register_set<struct vfpreg> (regcache, regnum, PT_GETVFPREGS,
PT_SETVFPREGS, &arm_fbsd_vfpregset);
#endif
}