/* Target-dependent code for Motorola 68000 BSD's.
- Copyright (C) 2004, 2005, 2007, 2008 Free Software Foundation, Inc.
+ Copyright (C) 2004-2015 Free Software Foundation, Inc.
This file is part of GDB.
#include "tramp-frame.h"
#include "gdbtypes.h"
-#include "gdb_assert.h"
-#include "gdb_string.h"
-
#include "m68k-tdep.h"
#include "solib-svr4.h"
#define M68KBSD_SIZEOF_FPREGS (((8 * 3) + 3) * 4)
int
-m68kbsd_fpreg_offset (int regnum)
+m68kbsd_fpreg_offset (struct gdbarch *gdbarch, int regnum)
{
- int fp_len = TYPE_LENGTH (gdbarch_register_type (current_gdbarch, regnum));
+ int fp_len = TYPE_LENGTH (gdbarch_register_type (gdbarch, regnum));
if (regnum >= M68K_FPC_REGNUM)
return 8 * fp_len + (regnum - M68K_FPC_REGNUM) * 4;
struct regcache *regcache,
int regnum, const void *fpregs, size_t len)
{
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
const gdb_byte *regs = fpregs;
int i;
for (i = M68K_FP0_REGNUM; i <= M68K_PC_REGNUM; i++)
{
if (regnum == i || regnum == -1)
- regcache_raw_supply (regcache, i, regs + m68kbsd_fpreg_offset (i));
+ regcache_raw_supply (regcache, i,
+ regs + m68kbsd_fpreg_offset (gdbarch, i));
}
}
/* Motorola 68000 register sets. */
-static struct regset m68kbsd_gregset =
+static const struct regset m68kbsd_gregset =
{
NULL,
- m68kbsd_supply_gregset
+ m68kbsd_supply_gregset,
+ NULL,
+ REGSET_VARIABLE_SIZE
};
-static struct regset m68kbsd_fpregset =
+static const struct regset m68kbsd_fpregset =
{
NULL,
m68kbsd_supply_fpregset
};
-/* Return the appropriate register set for the core section identified
- by SECT_NAME and SECT_SIZE. */
+/* Iterate over core file register note sections. */
-static const struct regset *
-m68kbsd_regset_from_core_section (struct gdbarch *gdbarch,
- const char *sect_name, size_t sect_size)
+static void
+m68kbsd_iterate_over_regset_sections (struct gdbarch *gdbarch,
+ iterate_over_regset_sections_cb *cb,
+ void *cb_data,
+ const struct regcache *regcache)
{
- if (strcmp (sect_name, ".reg") == 0 && sect_size >= M68KBSD_SIZEOF_GREGS)
- return &m68kbsd_gregset;
-
- if (strcmp (sect_name, ".reg2") == 0 && sect_size >= M68KBSD_SIZEOF_FPREGS)
- return &m68kbsd_fpregset;
-
- return NULL;
+ cb (".reg", M68KBSD_SIZEOF_GREGS, &m68kbsd_gregset, NULL, cb_data);
+ cb (".reg2", M68KBSD_SIZEOF_FPREGS, &m68kbsd_fpregset, NULL, cb_data);
}
\f
static void
m68kobsd_sigtramp_cache_init (const struct tramp_frame *self,
- struct frame_info *next_frame,
+ struct frame_info *this_frame,
struct trad_frame_cache *this_cache,
CORE_ADDR func)
{
CORE_ADDR addr, base, pc;
int regnum;
- base = frame_unwind_register_unsigned (next_frame, M68K_SP_REGNUM);
+ base = get_frame_register_unsigned (this_frame, M68K_SP_REGNUM);
/* The 'addql #4,%sp' instruction at offset 8 adjusts the stack
pointer. Adjust the frame base accordingly. */
- pc = frame_unwind_register_unsigned (next_frame, M68K_PC_REGNUM);
+ pc = get_frame_register_unsigned (this_frame, M68K_PC_REGNUM);
if ((pc - func) > 8)
base -= 4;
/* Get frame pointer, stack pointer, program counter and processor
state from `struct sigcontext'. */
- addr = get_frame_memory_unsigned (next_frame, base + 8, 4);
+ addr = get_frame_memory_unsigned (this_frame, base + 8, 4);
trad_frame_set_reg_addr (this_cache, M68K_FP_REGNUM, addr + 8);
trad_frame_set_reg_addr (this_cache, M68K_SP_REGNUM, addr + 12);
trad_frame_set_reg_addr (this_cache, M68K_PC_REGNUM, addr + 20);
/* The sc_ap member of `struct sigcontext' points to additional
hardware state. Here we find the missing registers. */
- addr = get_frame_memory_unsigned (next_frame, addr + 16, 4) + 4;
+ addr = get_frame_memory_unsigned (this_frame, addr + 16, 4) + 4;
for (regnum = M68K_D0_REGNUM; regnum < M68K_FP_REGNUM; regnum++, addr += 4)
trad_frame_set_reg_addr (this_cache, regnum, addr);
set_gdbarch_decr_pc_after_break (gdbarch, 2);
- set_gdbarch_regset_from_core_section
- (gdbarch, m68kbsd_regset_from_core_section);
+ set_gdbarch_iterate_over_regset_sections
+ (gdbarch, m68kbsd_iterate_over_regset_sections);
}
/* OpenBSD and NetBSD a.out. */