/* Ravenscar SPARC target support.
- Copyright (C) 2004-2014 Free Software Foundation, Inc.
+ Copyright (C) 2004-2020 Free Software Foundation, Inc.
This file is part of GDB.
#include "inferior.h"
#include "ravenscar-thread.h"
#include "sparc-ravenscar-thread.h"
+#include "gdbarch.h"
-static void sparc_ravenscar_fetch_registers (struct regcache *regcache,
- int regnum);
-static void sparc_ravenscar_store_registers (struct regcache *regcache,
- int regnum);
-static void sparc_ravenscar_prepare_to_store (struct regcache *regcache);
+struct sparc_ravenscar_ops : public ravenscar_arch_ops
+{
+ void fetch_registers (struct regcache *, int) override;
+ void store_registers (struct regcache *, int) override;
+};
/* Register offsets from a referenced address (exempli gratia the
Thread_Descriptor). The referenced address depends on the register
supply_register_at_address (struct regcache *regcache, int regnum,
CORE_ADDR register_addr)
{
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch *gdbarch = regcache->arch ();
int buf_size = register_size (gdbarch, regnum);
gdb_byte *buf;
- buf = alloca (buf_size);
+ buf = (gdb_byte *) alloca (buf_size);
read_memory (register_addr, buf, buf_size);
- regcache_raw_supply (regcache, regnum, buf);
+ regcache->raw_supply (regnum, buf);
}
/* Return true if, for a non-running thread, REGNUM has been saved on the
/* to_fetch_registers when inferior_ptid is different from the running
thread. */
-static void
-sparc_ravenscar_fetch_registers (struct regcache *regcache, int regnum)
+void
+sparc_ravenscar_ops::fetch_registers (struct regcache *regcache, int regnum)
{
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch *gdbarch = regcache->arch ();
const int sp_regnum = gdbarch_sp_regnum (gdbarch);
const int num_regs = gdbarch_num_regs (gdbarch);
int current_regnum;
ULONGEST stack_address;
/* The tid is the thread_id field, which is a pointer to the thread. */
- thread_descriptor_address = (CORE_ADDR) ptid_get_tid (inferior_ptid);
+ thread_descriptor_address = (CORE_ADDR) inferior_ptid.tid ();
/* Read the saved SP in the context buffer. */
current_address = thread_descriptor_address
}
}
-/* to_prepare_to_store when inferior_ptid is different from the running
- thread. */
-
-static void
-sparc_ravenscar_prepare_to_store (struct regcache *regcache)
-{
- /* Nothing to do. */
-}
-
/* to_store_registers when inferior_ptid is different from the running
thread. */
-static void
-sparc_ravenscar_store_registers (struct regcache *regcache, int regnum)
+void
+sparc_ravenscar_ops::store_registers (struct regcache *regcache, int regnum)
{
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch *gdbarch = regcache->arch ();
int buf_size = register_size (gdbarch, regnum);
gdb_byte buf[buf_size];
ULONGEST register_address;
if (register_in_thread_descriptor_p (regnum))
register_address =
- ptid_get_tid (inferior_ptid) + sparc_register_offsets [regnum];
+ inferior_ptid.tid () + sparc_register_offsets [regnum];
else if (register_on_stack_p (regnum))
{
regcache_cooked_read_unsigned (regcache, SPARC_SP_REGNUM,
else
return;
- regcache_raw_collect (regcache, regnum, buf);
+ regcache->raw_collect (regnum, buf);
write_memory (register_address,
buf,
buf_size);
}
-static struct ravenscar_arch_ops sparc_ravenscar_ops =
-{
- sparc_ravenscar_fetch_registers,
- sparc_ravenscar_store_registers,
- sparc_ravenscar_prepare_to_store
-};
+static struct sparc_ravenscar_ops sparc_ravenscar_ops;
/* Register ravenscar_arch_ops in GDBARCH. */