/* Target-dependent code for NetBSD/sh.
- Copyright (C) 2002, 2003, 2006, 2007, 2008, 2009
- Free Software Foundation, Inc.
+ Copyright (C) 2002-2014 Free Software Foundation, Inc.
Contributed by Wasabi Systems, Inc.
#include "defs.h"
#include "gdbcore.h"
-#include "regcache.h"
#include "regset.h"
#include "value.h"
#include "osabi.h"
-#include "gdb_assert.h"
-#include "gdb_string.h"
+#include <string.h>
#include "sh-tdep.h"
-#include "shnbsd-tdep.h"
#include "solib-svr4.h"
-/* Convert an r0-r15 register number into an offset into a ptrace
+/* Convert a register number into an offset into a ptrace
register structure. */
-static const int regmap[] =
+static const struct sh_corefile_regmap regmap[] =
{
- (20 * 4), /* r0 */
- (19 * 4), /* r1 */
- (18 * 4), /* r2 */
- (17 * 4), /* r3 */
- (16 * 4), /* r4 */
- (15 * 4), /* r5 */
- (14 * 4), /* r6 */
- (13 * 4), /* r7 */
- (12 * 4), /* r8 */
- (11 * 4), /* r9 */
- (10 * 4), /* r10 */
- ( 9 * 4), /* r11 */
- ( 8 * 4), /* r12 */
- ( 7 * 4), /* r13 */
- ( 6 * 4), /* r14 */
- ( 5 * 4), /* r15 */
+ {R0_REGNUM, 20 * 4},
+ {R0_REGNUM + 1, 19 * 4},
+ {R0_REGNUM + 2, 18 * 4},
+ {R0_REGNUM + 3, 17 * 4},
+ {R0_REGNUM + 4, 16 * 4},
+ {R0_REGNUM + 5, 15 * 4},
+ {R0_REGNUM + 6, 14 * 4},
+ {R0_REGNUM + 7, 13 * 4},
+ {R0_REGNUM + 8, 12 * 4},
+ {R0_REGNUM + 9, 11 * 4},
+ {R0_REGNUM + 10, 10 * 4},
+ {R0_REGNUM + 11, 9 * 4},
+ {R0_REGNUM + 12, 8 * 4},
+ {R0_REGNUM + 13, 7 * 4},
+ {R0_REGNUM + 14, 6 * 4},
+ {R0_REGNUM + 15, 5 * 4},
+ {PC_REGNUM, 0 * 4},
+ {SR_REGNUM, 1 * 4},
+ {PR_REGNUM, 2 * 4},
+ {MACH_REGNUM, 3 * 4},
+ {MACL_REGNUM, 4 * 4},
+ {-1 /* Terminator. */, 0}
};
-
-/* Sizeof `struct reg' in <machine/reg.h>. */
-#define SHNBSD_SIZEOF_GREGS (21 * 4)
-
-/* Supply register REGNUM from the buffer specified by GREGS and LEN
- in the general-purpose register set REGSET to register cache
- REGCACHE. If REGNUM is -1, do this for all registers in REGSET. */
-
-static void
-shnbsd_supply_gregset (const struct regset *regset,
- struct regcache *regcache,
- int regnum, const void *gregs, size_t len)
-{
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
- const gdb_byte *regs = gregs;
- int i;
-
- gdb_assert (len >= SHNBSD_SIZEOF_GREGS);
-
- if (regnum == gdbarch_pc_regnum (gdbarch) || regnum == -1)
- regcache_raw_supply (regcache, gdbarch_pc_regnum (gdbarch),
- regs + (0 * 4));
-
- if (regnum == SR_REGNUM || regnum == -1)
- regcache_raw_supply (regcache, SR_REGNUM, regs + (1 * 4));
-
- if (regnum == PR_REGNUM || regnum == -1)
- regcache_raw_supply (regcache, PR_REGNUM, regs + (2 * 4));
-
- if (regnum == MACH_REGNUM || regnum == -1)
- regcache_raw_supply (regcache, MACH_REGNUM, regs + (3 * 4));
-
- if (regnum == MACL_REGNUM || regnum == -1)
- regcache_raw_supply (regcache, MACL_REGNUM, regs + (4 * 4));
-
- for (i = R0_REGNUM; i <= (R0_REGNUM + 15); i++)
- {
- if (regnum == i || regnum == -1)
- regcache_raw_supply (regcache, i, regs + regmap[i - R0_REGNUM]);
- }
-}
-
-/* Collect register REGNUM in the general-purpose register set
- REGSET. from register cache REGCACHE into the buffer specified by
- GREGS and LEN. If REGNUM is -1, do this for all registers in
- REGSET. */
-
-static void
-shnbsd_collect_gregset (const struct regset *regset,
- const struct regcache *regcache,
- int regnum, void *gregs, size_t len)
-{
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
- gdb_byte *regs = gregs;
- int i;
-
- gdb_assert (len >= SHNBSD_SIZEOF_GREGS);
-
- if (regnum == gdbarch_pc_regnum (gdbarch) || regnum == -1)
- regcache_raw_collect (regcache, gdbarch_pc_regnum (gdbarch),
- regs + (0 * 4));
-
- if (regnum == SR_REGNUM || regnum == -1)
- regcache_raw_collect (regcache, SR_REGNUM, regs + (1 * 4));
-
- if (regnum == PR_REGNUM || regnum == -1)
- regcache_raw_collect (regcache, PR_REGNUM, regs + (2 * 4));
-
- if (regnum == MACH_REGNUM || regnum == -1)
- regcache_raw_collect (regcache, MACH_REGNUM, regs + (3 * 4));
-
- if (regnum == MACL_REGNUM || regnum == -1)
- regcache_raw_collect (regcache, MACL_REGNUM, regs + (4 * 4));
-
- for (i = R0_REGNUM; i <= (R0_REGNUM + 15); i++)
- {
- if (regnum == i || regnum == -1)
- regcache_raw_collect (regcache, i, regs + regmap[i - R0_REGNUM]);
- }
-}
-
-/* SH register sets. */
-
-static struct regset shnbsd_gregset =
-{
- NULL,
- shnbsd_supply_gregset,
- shnbsd_collect_gregset
-};
-
-/* Return the appropriate register set for the core section identified
- by SECT_NAME and SECT_SIZE. */
-
-static const struct regset *
-shnbsd_regset_from_core_section (struct gdbarch *gdbarch,
- const char *sect_name, size_t sect_size)
-{
- if (strcmp (sect_name, ".reg") == 0 && sect_size >= SHNBSD_SIZEOF_GREGS)
- return &shnbsd_gregset;
-
- return NULL;
-}
-
-void
-shnbsd_supply_reg (struct regcache *regcache, const char *regs, int regnum)
-{
- shnbsd_supply_gregset (&shnbsd_gregset, regcache, regnum,
- regs, SHNBSD_SIZEOF_GREGS);
-}
-
-void
-shnbsd_fill_reg (const struct regcache *regcache, char *regs, int regnum)
-{
- shnbsd_collect_gregset (&shnbsd_gregset, regcache, regnum,
- regs, SHNBSD_SIZEOF_GREGS);
-}
\f
static void
shnbsd_init_abi (struct gdbarch_info info,
struct gdbarch *gdbarch)
{
- set_gdbarch_regset_from_core_section
- (gdbarch, shnbsd_regset_from_core_section);
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+
+ tdep->core_gregmap = (struct sh_corefile_regmap *)regmap;
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_ilp32_fetch_link_map_offsets);
projects / deliverable / binutils-gdb.git / blobdiff