/* Traditional frame unwind support, for GDB the GNU Debugger.
- Copyright (C) 2003-2021 Free Software Foundation, Inc.
+ Copyright (C) 2003-2022 Free Software Foundation, Inc.
This file is part of GDB.
#include "target.h"
#include "value.h"
#include "gdbarch.h"
+#include "gdbsupport/traits.h"
struct trad_frame_cache
{
trad_frame_saved_reg *
trad_frame_alloc_saved_regs (struct gdbarch *gdbarch)
{
- gdb_static_assert (std::is_trivially_default_constructible<trad_frame_saved_reg>::value);
+#ifdef HAVE_IS_TRIVIALLY_CONSTRUCTIBLE
+ gdb_static_assert (std::is_trivially_constructible<trad_frame_saved_reg>::value);
+#endif
int numregs = gdbarch_num_cooked_regs (gdbarch);
trad_frame_saved_reg *this_saved_regs
= FRAME_OBSTACK_CALLOC (numregs, trad_frame_saved_reg);
+ /* For backwards compatibility, initialize all the register values to
+ REALREG, with register 0 stored in 0, register 1 stored in 1 and so
+ on. */
trad_frame_reset_saved_regs (gdbarch, this_saved_regs);
+
return this_saved_regs;
}
return trad_frame_alloc_saved_regs (gdbarch);
}
-int
-trad_frame_value_p (trad_frame_saved_reg this_saved_regs[], int regnum)
-{
- return this_saved_regs[regnum].is_value ();
-}
-
-int
-trad_frame_addr_p (trad_frame_saved_reg this_saved_regs[], int regnum)
-{
- return this_saved_regs[regnum].is_addr ();
-}
-
-int
-trad_frame_realreg_p (trad_frame_saved_reg this_saved_regs[],
- int regnum)
-{
- return this_saved_regs[regnum].is_realreg ();
-}
-
-/* See trad-frame.h. */
-
-bool
-trad_frame_value_bytes_p (trad_frame_saved_reg this_saved_regs[],
- int regnum)
-{
- return this_saved_regs[regnum].is_value_bytes ();
-}
-
-void
-trad_frame_set_value (trad_frame_saved_reg this_saved_regs[],
- int regnum, LONGEST val)
-{
- this_saved_regs[regnum].set_value (val);
-}
-
-/* See trad-frame.h. */
-
-void
-trad_frame_set_realreg (trad_frame_saved_reg this_saved_regs[],
- int regnum, int realreg)
-{
- this_saved_regs[regnum].set_realreg (realreg);
-}
-
-/* See trad-frame.h. */
-
-void
-trad_frame_set_addr (trad_frame_saved_reg this_saved_regs[],
- int regnum, CORE_ADDR addr)
-{
- this_saved_regs[regnum].set_addr (addr);
-}
-
void
trad_frame_set_reg_value (struct trad_frame_cache *this_trad_cache,
int regnum, LONGEST val)
{
/* External interface for users of trad_frame_cache
(who cannot access the prev_regs object directly). */
- trad_frame_set_value (this_trad_cache->prev_regs, regnum, val);
+ this_trad_cache->prev_regs[regnum].set_value (val);
}
void
trad_frame_set_reg_realreg (struct trad_frame_cache *this_trad_cache,
int regnum, int realreg)
{
- trad_frame_set_realreg (this_trad_cache->prev_regs, regnum, realreg);
+ this_trad_cache->prev_regs[regnum].set_realreg (realreg);
}
void
trad_frame_set_reg_addr (struct trad_frame_cache *this_trad_cache,
int regnum, CORE_ADDR addr)
{
- trad_frame_set_addr (this_trad_cache->prev_regs, regnum, addr);
+ this_trad_cache->prev_regs[regnum].set_addr (addr);
}
void
}
}
-void
-trad_frame_set_unknown (trad_frame_saved_reg this_saved_regs[],
- int regnum)
-{
- this_saved_regs[regnum].set_unknown ();
-}
-
-/* See trad-frame.h. */
-
-void
-trad_frame_set_value_bytes (trad_frame_saved_reg this_saved_regs[],
- int regnum, const gdb_byte *bytes,
- size_t size)
-{
- /* Allocate the space and copy the data bytes. */
- gdb_byte *data = FRAME_OBSTACK_CALLOC (size, gdb_byte);
- memcpy (data, bytes, size);
- this_saved_regs[regnum].set_value_bytes (data);
-}
-
/* See trad-frame.h. */
void
trad_frame_set_reg_value_bytes (struct trad_frame_cache *this_trad_cache,
- int regnum, const gdb_byte *bytes,
- size_t size)
+ int regnum,
+ gdb::array_view<const gdb_byte> bytes)
{
/* External interface for users of trad_frame_cache
(who cannot access the prev_regs object directly). */
- trad_frame_set_value_bytes (this_trad_cache->prev_regs, regnum, bytes,
- size);
+ this_trad_cache->prev_regs[regnum].set_value_bytes (bytes);
}
trad_frame_saved_reg this_saved_regs[],
int regnum)
{
- if (trad_frame_addr_p (this_saved_regs, regnum))
+ if (this_saved_regs[regnum].is_addr ())
/* The register was saved in memory. */
return frame_unwind_got_memory (this_frame, regnum,
this_saved_regs[regnum].addr ());
- else if (trad_frame_realreg_p (this_saved_regs, regnum))
+ else if (this_saved_regs[regnum].is_realreg ())
return frame_unwind_got_register (this_frame, regnum,
this_saved_regs[regnum].realreg ());
- else if (trad_frame_value_p (this_saved_regs, regnum))
+ else if (this_saved_regs[regnum].is_value ())
/* The register's value is available. */
return frame_unwind_got_constant (this_frame, regnum,
this_saved_regs[regnum].value ());
- else if (trad_frame_value_bytes_p (this_saved_regs, regnum))
+ else if (this_saved_regs[regnum].is_value_bytes ())
/* The register's value is available as a sequence of bytes. */
return frame_unwind_got_bytes (this_frame, regnum,
this_saved_regs[regnum].value_bytes ());