/* Functions specific to running GDB native on HPPA running GNU/Linux.
- Copyright (C) 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
+ Copyright (C) 2004-2020 Free Software Foundation, Inc.
This file is part of GDB.
#include "defs.h"
#include "gdbcore.h"
#include "regcache.h"
-#include "gdb_string.h"
#include "inferior.h"
#include "target.h"
#include "linux-nat.h"
+#include "inf-ptrace.h"
+#include "gdbarch.h"
#include <sys/procfs.h>
-#include <sys/ptrace.h>
+#include "nat/gdb_ptrace.h"
#include <linux/version.h>
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,43)
-#include <asm/offset.h>
-#else
-#include <asm/offsets.h>
-#endif
+#include <asm/ptrace.h>
+#include "hppa-linux-offsets.h"
#include "hppa-tdep.h"
-/* Prototypes for supply_gregset etc. */
+class hppa_linux_nat_target final : public linux_nat_target
+{
+public:
+ /* Add our register access methods. */
+ void fetch_registers (struct regcache *, int) override;
+ void store_registers (struct regcache *, int) override;
+};
+
+static hppa_linux_nat_target the_hppa_linux_nat_target;
+
+/* Prototypes for supply_gregset etc. */
#include "gregset.h"
/* These must match the order of the register names.
{
CORE_ADDR addr;
- if ((unsigned) regno >= gdbarch_num_regs (current_gdbarch))
+ if ((unsigned) regno >= ARRAY_SIZE (u_offsets))
error (_("Invalid register number %d."), regno);
if (u_offsets[regno] == -1)
static void
fetch_register (struct regcache *regcache, int regno)
{
- int tid;
+ struct gdbarch *gdbarch = regcache->arch ();
+ pid_t tid;
int val;
- if (gdbarch_cannot_fetch_register (current_gdbarch, regno))
+ if (gdbarch_cannot_fetch_register (gdbarch, regno))
{
- regcache_raw_supply (regcache, regno, NULL);
+ regcache->raw_supply (regno, NULL);
return;
}
- /* GNU/Linux LWP ID's are process ID's. */
- tid = TIDGET (inferior_ptid);
- if (tid == 0)
- tid = PIDGET (inferior_ptid); /* Not a threaded program. */
+ tid = get_ptrace_pid (regcache->ptid ());
errno = 0;
val = ptrace (PTRACE_PEEKUSER, tid, hppa_linux_register_addr (regno, 0), 0);
if (errno != 0)
error (_("Couldn't read register %s (#%d): %s."),
- gdbarch_register_name (current_gdbarch, regno),
+ gdbarch_register_name (gdbarch, regno),
regno, safe_strerror (errno));
- regcache_raw_supply (regcache, regno, &val);
+ regcache->raw_supply (regno, &val);
}
-/* Store one register. */
+/* Store one register. */
static void
store_register (const struct regcache *regcache, int regno)
{
- int tid;
+ struct gdbarch *gdbarch = regcache->arch ();
+ pid_t tid;
int val;
- if (gdbarch_cannot_store_register (current_gdbarch, regno))
+ if (gdbarch_cannot_store_register (gdbarch, regno))
return;
- /* GNU/Linux LWP ID's are process ID's. */
- tid = TIDGET (inferior_ptid);
- if (tid == 0)
- tid = PIDGET (inferior_ptid); /* Not a threaded program. */
+ tid = get_ptrace_pid (regcache->ptid ());
errno = 0;
- regcache_raw_collect (regcache, regno, &val);
+ regcache->raw_collect (regno, &val);
ptrace (PTRACE_POKEUSER, tid, hppa_linux_register_addr (regno, 0), val);
if (errno != 0)
error (_("Couldn't write register %s (#%d): %s."),
- gdbarch_register_name (current_gdbarch, regno),
+ gdbarch_register_name (gdbarch, regno),
regno, safe_strerror (errno));
}
regno == -1, otherwise fetch all general registers or all floating
point registers depending upon the value of regno. */
-static void
-hppa_linux_fetch_inferior_registers (struct regcache *regcache, int regno)
+void
+hppa_linux_nat_target::fetch_registers (struct regcache *regcache, int regno)
{
if (-1 == regno)
{
- for (regno = 0; regno < gdbarch_num_regs (current_gdbarch); regno++)
+ for (regno = 0;
+ regno < gdbarch_num_regs (regcache->arch ());
+ regno++)
fetch_register (regcache, regno);
}
else
regno == -1, otherwise store all general registers or all floating
point registers depending upon the value of regno. */
-static void
-hppa_linux_store_inferior_registers (struct regcache *regcache, int regno)
+void
+hppa_linux_nat_target::store_registers (struct regcache *regcache, int regno)
{
if (-1 == regno)
{
- for (regno = 0; regno < gdbarch_num_regs (current_gdbarch); regno++)
+ for (regno = 0;
+ regno < gdbarch_num_regs (regcache->arch ());
+ regno++)
store_register (regcache, regno);
}
else
for (i = 0; i < sizeof (greg_map) / sizeof (greg_map[0]); i++, regp++)
{
int regno = greg_map[i];
- regcache_raw_supply (regcache, regno, regp);
+ regcache->raw_supply (regno, regp);
}
}
int mregno = greg_map[i];
if (regno == -1 || regno == mregno)
- {
- regcache_raw_collect(regcache, mregno, &(*gregsetp)[i]);
- }
+ regcache->raw_collect (mregno, &(*gregsetp)[i]);
}
}
/* Given a pointer to a floating point register set in /proc format
(fpregset_t *), unpack the register contents and supply them as gdb's
- idea of the current floating point register values. */
+ idea of the current floating point register values. */
void
supply_fpregset (struct regcache *regcache, const gdb_fpregset_t *fpregsetp)
for (regi = 0; regi <= 31; regi++)
{
from = (const char *) &((*fpregsetp)[regi]);
- regcache_raw_supply (regcache, 2*regi + HPPA_FP0_REGNUM, from);
- regcache_raw_supply (regcache, 2*regi + HPPA_FP0_REGNUM + 1, from + 4);
+ regcache->raw_supply (2*regi + HPPA_FP0_REGNUM, from);
+ regcache->raw_supply (2*regi + HPPA_FP0_REGNUM + 1, from + 4);
}
}
/* Given a pointer to a floating point register set in /proc format
(fpregset_t *), update the register specified by REGNO from gdb's idea
of the current floating point register set. If REGNO is -1, update
- them all. */
+ them all. */
void
fill_fpregset (const struct regcache *regcache,
char *to = (char *) &((*fpregsetp)[(i - HPPA_FP0_REGNUM) / 2]);
if ((i - HPPA_FP0_REGNUM) & 1)
to += 4;
- regcache_raw_collect (regcache, i, to);
+ regcache->raw_collect (i, to);
}
}
-void _initialize_hppa_linux_nat (void);
-
+void _initialize_hppa_linux_nat ();
void
-_initialize_hppa_linux_nat (void)
+_initialize_hppa_linux_nat ()
{
- struct target_ops *t;
-
- /* Fill in the generic GNU/Linux methods. */
- t = linux_target ();
-
- /* Add our register access methods. */
- t->to_fetch_registers = hppa_linux_fetch_inferior_registers;
- t->to_store_registers = hppa_linux_store_inferior_registers;
-
/* Register the target. */
- linux_nat_add_target (t);
+ linux_target = &the_hppa_linux_nat_target;
+ add_inf_child_target (&the_hppa_linux_nat_target);
}
projects / deliverable / binutils-gdb.git / blobdiff