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aarch64-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 e747f4dd8d
commit 05dfb57c68
1 changed files with 8 additions and 69 deletions
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77
gdb/aarch64-fbsd-nat.c
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@ -26,7 +26,6 @@
#include <machine/reg.h> #include <machine/reg.h>
#include "fbsd-nat.h" #include "fbsd-nat.h"
#include "aarch64-tdep.h"
#include "aarch64-fbsd-tdep.h" #include "aarch64-fbsd-tdep.h"
#include "inf-ptrace.h" #include "inf-ptrace.h"
@ -38,22 +37,6 @@ struct aarch64_fbsd_nat_target final : public fbsd_nat_target
static aarch64_fbsd_nat_target the_aarch64_fbsd_nat_target; static aarch64_fbsd_nat_target the_aarch64_fbsd_nat_target;
/* Determine if PT_GETREGS fetches REGNUM. */
static bool
getregs_supplies (int regnum)
{
return (regnum >= AARCH64_X0_REGNUM && regnum <= AARCH64_CPSR_REGNUM);
}
/* Determine if PT_GETFPREGS fetches REGNUM. */
static bool
getfpregs_supplies (int regnum)
{
return (regnum >= AARCH64_V0_REGNUM && regnum <= AARCH64_FPCR_REGNUM);
}
/* Fetch register REGNUM from the inferior. If REGNUM is -1, do this /* Fetch register REGNUM from the inferior. If REGNUM is -1, do this
for all registers. */ for all registers. */
@ -61,29 +44,10 @@ void
aarch64_fbsd_nat_target::fetch_registers (struct regcache *regcache, aarch64_fbsd_nat_target::fetch_registers (struct regcache *regcache,
int regnum) int regnum)
{ {
pid_t pid = get_ptrace_pid (regcache->ptid ()); fetch_register_set<struct reg> (regcache, regnum, PT_GETREGS,
&aarch64_fbsd_gregset);
if (regnum == -1 || getregs_supplies (regnum)) fetch_register_set<struct fpreg> (regcache, regnum, PT_GETFPREGS,
{ &aarch64_fbsd_fpregset);
struct reg regs;
if (ptrace (PT_GETREGS, pid, (PTRACE_TYPE_ARG3) &regs, 0) == -1)
perror_with_name (_("Couldn't get registers"));
regcache->supply_regset (&aarch64_fbsd_gregset, regnum, &regs,
sizeof (regs));
}
if (regnum == -1 || getfpregs_supplies (regnum))
{
struct fpreg fpregs;
if (ptrace (PT_GETFPREGS, pid, (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
perror_with_name (_("Couldn't get floating point status"));
regcache->supply_regset (&aarch64_fbsd_fpregset, regnum, &fpregs,
sizeof (fpregs));
}
} }
/* Store register REGNUM back into the inferior. If REGNUM is -1, do /* Store register REGNUM back into the inferior. If REGNUM is -1, do
@ -93,35 +57,10 @@ void
aarch64_fbsd_nat_target::store_registers (struct regcache *regcache, aarch64_fbsd_nat_target::store_registers (struct regcache *regcache,
int regnum) int regnum)
{ {
pid_t pid = get_ptrace_pid (regcache->ptid ()); store_register_set<struct reg> (regcache, regnum, PT_GETREGS, PT_SETREGS,
&aarch64_fbsd_gregset);
if (regnum == -1 || getregs_supplies (regnum)) store_register_set<struct fpreg> (regcache, regnum, PT_GETFPREGS,
{ PT_SETFPREGS, &aarch64_fbsd_fpregset);
struct reg regs;
if (ptrace (PT_GETREGS, pid, (PTRACE_TYPE_ARG3) &regs, 0) == -1)
perror_with_name (_("Couldn't get registers"));
regcache->collect_regset (&aarch64_fbsd_gregset, regnum, &regs,
sizeof (regs));
if (ptrace (PT_SETREGS, pid, (PTRACE_TYPE_ARG3) &regs, 0) == -1)
perror_with_name (_("Couldn't write registers"));
}
if (regnum == -1 || getfpregs_supplies (regnum))
{
struct fpreg fpregs;
if (ptrace (PT_GETFPREGS, pid, (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
perror_with_name (_("Couldn't get floating point status"));
regcache->collect_regset (&aarch64_fbsd_fpregset, regnum, &fpregs,
sizeof (fpregs));
if (ptrace (PT_SETFPREGS, pid, (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
perror_with_name (_("Couldn't write floating point status"));
}
} }
void _initialize_aarch64_fbsd_nat (); void _initialize_aarch64_fbsd_nat ();