/* Target-dependent code for GNU/Linux m32r.
- Copyright (C) 2004-2014 Free Software Foundation, Inc.
+ Copyright (C) 2004-2021 Free Software Foundation, Inc.
This file is part of GDB.
#include "m32r-tdep.h"
#include "linux-tdep.h"
+#include "gdbarch.h"
\f
if (pc % 2 != 0)
{
- if (!safe_frame_unwind_memory (this_frame, pc, buf, 2))
+ if (!safe_frame_unwind_memory (this_frame, pc, {buf, 2}))
return 0;
if (memcmp (buf, linux_sigtramp_code, 2) == 0)
return 0;
}
- if (!safe_frame_unwind_memory (this_frame, pc, buf, 4))
+ if (!safe_frame_unwind_memory (this_frame, pc, {buf, 4}))
return 0;
if (memcmp (buf, linux_sigtramp_code, 4) != 0)
if (pc % 2 != 0)
return 0;
- if (!safe_frame_unwind_memory (this_frame, pc, buf, 4))
+ if (!safe_frame_unwind_memory (this_frame, pc, {buf, 4}))
return 0;
if (memcmp (buf, linux_rt_sigtramp_code, 4) == 0)
{
- if (!safe_frame_unwind_memory (this_frame, pc + 4, buf, 4))
+ if (!safe_frame_unwind_memory (this_frame, pc + 4, {buf, 4}))
return 0;
if (memcmp (buf, linux_rt_sigtramp_code + 4, 4) == 0)
}
else if (memcmp (buf, linux_rt_sigtramp_code + 4, 4) == 0)
{
- if (!safe_frame_unwind_memory (this_frame, pc - 4, buf, 4))
+ if (!safe_frame_unwind_memory (this_frame, pc - 4, {buf, 4}))
return 0;
if (memcmp (buf, linux_rt_sigtramp_code, 4) == 0)
struct m32r_frame_cache
{
CORE_ADDR base, pc;
- struct trad_frame_saved_reg *saved_regs;
+ trad_frame_saved_reg *saved_regs;
};
static struct m32r_frame_cache *
int regnum;
if ((*this_cache) != NULL)
- return (*this_cache);
+ return (struct m32r_frame_cache *) (*this_cache);
cache = FRAME_OBSTACK_ZALLOC (struct m32r_frame_cache);
(*this_cache) = cache;
cache->saved_regs = trad_frame_alloc_saved_regs (this_frame);
if (addr == 0)
{
/* If this is a RT signal trampoline, adjust SIGCONTEXT_ADDR
- accordingly. */
+ accordingly. */
addr = m32r_linux_rt_sigtramp_start (cache->pc, this_frame);
if (addr)
sigcontext_addr += 128;
for (regnum = 0; regnum < sizeof (m32r_linux_sc_reg_offset) / 4; regnum++)
{
if (m32r_linux_sc_reg_offset[regnum] >= 0)
- cache->saved_regs[regnum].addr =
- sigcontext_addr + m32r_linux_sc_reg_offset[regnum];
+ cache->saved_regs[regnum].set_addr (sigcontext_addr
+ + m32r_linux_sc_reg_offset[regnum]);
}
return cache;
}
static const struct frame_unwind m32r_linux_sigtramp_frame_unwind = {
+ "m32r linux sigtramp",
SIGTRAMP_FRAME,
default_frame_unwind_stop_reason,
m32r_linux_sigtramp_frame_this_id,
#define SPU_OFFSET (4 * 23)
#define SPI_OFFSET (4 * 26)
+#define M32R_LINUX_GREGS_SIZE (4 * 28)
+
static void
m32r_linux_supply_gregset (const struct regset *regset,
struct regcache *regcache, int regnum,
const void *gregs, size_t size)
{
- const gdb_byte *regs = gregs;
+ const gdb_byte *regs = (const gdb_byte *) gregs;
enum bfd_endian byte_order =
- gdbarch_byte_order (get_regcache_arch (regcache));
+ gdbarch_byte_order (regcache->arch ());
ULONGEST psw, bbpsw;
gdb_byte buf[4];
const gdb_byte *p;
p = regs + m32r_pt_regs_offset[i];
}
- regcache_raw_supply (regcache, i, p);
+ regcache->raw_supply (i, p);
}
}
const struct regcache *regcache,
int regnum, void *gregs, size_t size)
{
- gdb_byte *regs = gregs;
+ gdb_byte *regs = (gdb_byte *) gregs;
int i;
enum bfd_endian byte_order =
- gdbarch_byte_order (get_regcache_arch (regcache));
+ gdbarch_byte_order (regcache->arch ());
ULONGEST psw;
gdb_byte buf[4];
- regcache_raw_collect (regcache, PSW_REGNUM, buf);
+ regcache->raw_collect (PSW_REGNUM, buf);
psw = extract_unsigned_integer (buf, 4, byte_order);
for (i = 0; i < ARRAY_SIZE (m32r_pt_regs_offset); i++)
case CBR_REGNUM:
break;
case M32R_SP_REGNUM:
- regcache_raw_collect (regcache, i, regs
- + ((psw & 0x80) ? SPU_OFFSET : SPI_OFFSET));
+ regcache->raw_collect
+ (i, regs + ((psw & 0x80) ? SPU_OFFSET : SPI_OFFSET));
break;
default:
- regcache_raw_collect (regcache, i,
- regs + m32r_pt_regs_offset[i]);
+ regcache->raw_collect (i, regs + m32r_pt_regs_offset[i]);
}
}
}
m32r_linux_supply_gregset, m32r_linux_collect_gregset
};
-static const struct regset *
-m32r_linux_regset_from_core_section (struct gdbarch *core_arch,
- const char *sect_name, size_t sect_size)
+static void
+m32r_linux_iterate_over_regset_sections (struct gdbarch *gdbarch,
+ iterate_over_regset_sections_cb *cb,
+ void *cb_data,
+ const struct regcache *regcache)
{
- struct gdbarch_tdep *tdep = gdbarch_tdep (core_arch);
- if (strcmp (sect_name, ".reg") == 0)
- return &m32r_linux_gregset;
- return NULL;
+ cb (".reg", M32R_LINUX_GREGS_SIZE, M32R_LINUX_GREGS_SIZE, &m32r_linux_gregset,
+ NULL, cb_data);
}
static void
m32r_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
- struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
- linux_init_abi (info, gdbarch);
+ linux_init_abi (info, gdbarch, 0);
/* Since EVB register is not available for native debug, we reduce
the number of registers. */
(gdbarch, svr4_ilp32_fetch_link_map_offsets);
/* Core file support. */
- set_gdbarch_regset_from_core_section
- (gdbarch, m32r_linux_regset_from_core_section);
+ set_gdbarch_iterate_over_regset_sections
+ (gdbarch, m32r_linux_iterate_over_regset_sections);
/* Enable TLS support. */
set_gdbarch_fetch_tls_load_module_address (gdbarch,
- svr4_fetch_objfile_link_map);
+ svr4_fetch_objfile_link_map);
}
-/* Provide a prototype to silence -Wmissing-prototypes. */
-extern void _initialize_m32r_linux_tdep (void);
-
+void _initialize_m32r_linux_tdep ();
void
-_initialize_m32r_linux_tdep (void)
+_initialize_m32r_linux_tdep ()
{
gdbarch_register_osabi (bfd_arch_m32r, 0, GDB_OSABI_LINUX,
m32r_linux_init_abi);