+2009-10-21 Andrew Stubbs <ams@codesourcery.com>
+ Joel Brobecker <brobecker@adacore.com>
+
+ * Makefile.in (HFILES_NO_SRCDIR): Remove shnbsd-tdep.h
+ * configure.tgt (sh*-*-linux*): Add corelow.o to gdb_target_obs.
+ * sh-linux-tdep.c: Include sh-tdep.h.
+ (REGSx16): New macro.
+ (gregs_table, fpregs_table): New variables.
+ (sh_linux_init_abi): Set core_gregmap and fpregmap.
+ * sh-tdep.c: Include regset.h.
+ (sh_corefile_supply_regset): New function.
+ (sh_corefile_collect_regset): New function.
+ (sh_corefile_gregset, sh_corefile_fpregset): New variables.
+ (sh_regset_from_core_section): New function.
+ (sh_gdbarch_init): Set up tdep value.
+ Call set_gdbarch_regset_from_core_section.
+ * sh-tdep.h (PC_REGNUM): New enum value.
+ (struct sh_corefile_regs): New type.
+ (sh_corefile_gregset): Export variable.
+ (sh_corefile_supply_regset): New prototype.
+ (sh_corefile_collect_regset): New prototype.
+ * shnbsd-tdep.c: Remove include of regcache.h, gdb_assert.h and
+ shnbsd-tdep.h.
+ (regmap): Use new definition using struct sh_corefile_regs.
+ (shnbsd_supply_gregset, shnbsd_collect_gregset): Delete.
+ (shnbsd_gregset): Delete.
+ (shnbsd_regset_from_core_section): Delete.
+ (shnbsd_supply_reg, shnbsd_fill_reg): Use new regset interface.
+ (shnbsd_init_abi): Set core_gregmap.
+ (shnbsd_supply_reg): Delete.
+ (shnbsd_fill_reg): Delete.
+ (SHNBSD_SIZEOF_GREGS): Move ...
+ * shnbsd-nat.c (SHNBSD_SIZEOF_GREGS): ... to here.
+ Remove include of shnbsd-tdep.h.
+ (shnbsd_fetch_inferior_registers): Replace shnbsd_supply_reg call
+ with sh_corefile_supply_regset.
+ (shnbsd_store_inferior_registers): Replace shnbsd_fill_reg call with
+ sh_corefile_collect_regset.
+ * shnbsd-tdep.h: Delete file.
+
2009-10-21 Pierre Muller <muller@ics.u-strasbg.fr>
* rs6000-nat.c (exec_one_dummy_insn): Add missing new ASPACE parameter
objfiles.h vec.h disasm.h mips-tdep.h ser-base.h \
gdb_curses.h bfd-target.h memattr.h inferior.h ax.h dummy-frame.h \
inflow.h fbsd-nat.h libunwind-frame.h completer.h inf-ttrace.h \
-solib-target.h shnbsd-tdep.h gdb_vfork.h alpha-tdep.h dwarf2expr.h \
+solib-target.h gdb_vfork.h alpha-tdep.h dwarf2expr.h \
m2-lang.h stack.h charset.h addrmap.h command.h solist.h source.h \
target.h prologue-value.h cp-abi.h tui/tui-hooks.h tui/tui.h \
tui/tui-file.h tui/tui-command.h tui/tui-disasm.h tui/tui-wingeneral.h \
sh*-*-linux*)
# Target: GNU/Linux Super-H
gdb_target_obs="sh-tdep.o sh64-tdep.o sh-linux-tdep.o monitor.o \
- dsrec.o solib.o solib-svr4.o symfile-mem.o glibc-tdep.o"
+ dsrec.o solib.o solib-svr4.o symfile-mem.o \
+ glibc-tdep.o corelow.o"
gdb_sim=../sim/sh/libsim.a
build_gdbserver=yes
;;
#include "symtab.h"
#include "glibc-tdep.h"
+#include "sh-tdep.h"
+
+#define REGSx16(base) \
+ {(base), 0}, \
+ {(base) + 1, 4}, \
+ {(base) + 2, 8}, \
+ {(base) + 3, 12}, \
+ {(base) + 4, 16}, \
+ {(base) + 5, 20}, \
+ {(base) + 6, 24}, \
+ {(base) + 7, 28}, \
+ {(base) + 8, 32}, \
+ {(base) + 9, 36}, \
+ {(base) + 10, 40}, \
+ {(base) + 11, 44}, \
+ {(base) + 12, 48}, \
+ {(base) + 13, 52}, \
+ {(base) + 14, 56}, \
+ {(base) + 15, 60}
+
+/* Describe the contents of the .reg section of the core file. */
+
+static const struct sh_corefile_regmap gregs_table[] =
+{
+ REGSx16 (R0_REGNUM),
+ {PC_REGNUM, 64},
+ {PR_REGNUM, 68},
+ {SR_REGNUM, 72},
+ {GBR_REGNUM, 76},
+ {MACH_REGNUM, 80},
+ {MACL_REGNUM, 84},
+ {-1 /* Terminator. */, 0}
+};
+
+/* Describe the contents of the .reg2 section of the core file. */
+
+static const struct sh_corefile_regmap fpregs_table[] =
+{
+ REGSx16 (FR0_REGNUM),
+ /* REGSx16 xfp_regs omitted. */
+ {FPSCR_REGNUM, 128},
+ {FPUL_REGNUM, 132},
+ {-1 /* Terminator. */, 0}
+};
static void
sh_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
set_gdbarch_fetch_tls_load_module_address (gdbarch,
svr4_fetch_objfile_link_map);
+
+ /* Core files are supported for 32-bit SH only, at present. */
+ if (info.bfd_arch_info->mach != bfd_mach_sh5)
+ {
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+
+ tdep->core_gregmap = (struct sh_corefile_regmap *)gregs_table;
+ tdep->core_fpregmap = (struct sh_corefile_regmap *)fpregs_table;
+ }
}
/* Provide a prototype to silence -Wmissing-prototypes. */
#include "doublest.h"
#include "osabi.h"
#include "reggroups.h"
+#include "regset.h"
#include "sh-tdep.h"
}
return 0;
}
+
+
+/* Supply register REGNUM from the buffer specified by REGS and LEN
+ in the register set REGSET to register cache REGCACHE.
+ REGTABLE specifies where each register can be found in REGS.
+ If REGNUM is -1, do this for all registers in REGSET. */
+
+void
+sh_corefile_supply_regset (const struct regset *regset,
+ struct regcache *regcache,
+ int regnum, const void *regs, size_t len)
+{
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+ const struct sh_corefile_regmap *regmap = (regset == &sh_corefile_gregset
+ ? tdep->core_gregmap
+ : tdep->core_fpregmap);
+ int i;
+
+ for (i = 0; regmap[i].regnum != -1; i++)
+ {
+ if ((regnum == -1 || regnum == regmap[i].regnum)
+ && regmap[i].offset + 4 <= len)
+ regcache_raw_supply (regcache, regmap[i].regnum,
+ (char *)regs + regmap[i].offset);
+ }
+}
+
+/* Collect register REGNUM in the register set REGSET from register cache
+ REGCACHE into the buffer specified by REGS and LEN.
+ REGTABLE specifies where each register can be found in REGS.
+ If REGNUM is -1, do this for all registers in REGSET. */
+
+void
+sh_corefile_collect_regset (const struct regset *regset,
+ const struct regcache *regcache,
+ int regnum, void *regs, size_t len)
+{
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+ const struct sh_corefile_regmap *regmap = (regset == &sh_corefile_gregset
+ ? tdep->core_gregmap
+ : tdep->core_fpregmap);
+ int i;
+
+ for (i = 0; regmap[i].regnum != -1; i++)
+ {
+ if ((regnum == -1 || regnum == regmap[i].regnum)
+ && regmap[i].offset + 4 <= len)
+ regcache_raw_collect (regcache, regmap[i].regnum,
+ (char *)regs + regmap[i].offset);
+ }
+}
+
+/* The following two regsets have the same contents, so it is tempting to
+ unify them, but they are distiguished by their address, so don't. */
+
+struct regset sh_corefile_gregset =
+{
+ NULL,
+ sh_corefile_supply_regset,
+ sh_corefile_collect_regset
+};
+
+static struct regset sh_corefile_fpregset =
+{
+ NULL,
+ sh_corefile_supply_regset,
+ sh_corefile_collect_regset
+};
+
+static const struct regset *
+sh_regset_from_core_section (struct gdbarch *gdbarch, const char *sect_name,
+ size_t sect_size)
+{
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+
+ if (tdep->core_gregmap && strcmp (sect_name, ".reg") == 0)
+ return &sh_corefile_gregset;
+
+ if (tdep->core_fpregmap && strcmp (sect_name, ".reg2") == 0)
+ return &sh_corefile_fpregset;
+
+ return NULL;
+}
\f
static struct gdbarch *
sh_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
{
struct gdbarch *gdbarch;
+ struct gdbarch_tdep *tdep;
sh_show_regs = sh_generic_show_regs;
switch (info.bfd_arch_info->mach)
/* None found, create a new architecture from the information
provided. */
- gdbarch = gdbarch_alloc (&info, NULL);
+ tdep = XZALLOC (struct gdbarch_tdep);
+ gdbarch = gdbarch_alloc (&info, tdep);
set_gdbarch_short_bit (gdbarch, 2 * TARGET_CHAR_BIT);
set_gdbarch_int_bit (gdbarch, 4 * TARGET_CHAR_BIT);
dwarf2_frame_set_init_reg (gdbarch, sh_dwarf2_frame_init_reg);
+ set_gdbarch_regset_from_core_section (gdbarch, sh_regset_from_core_section);
+
switch (info.bfd_arch_info->mach)
{
case bfd_mach_sh:
ARG0_REGNUM = 4,
ARGLAST_REGNUM = 7,
FP_REGNUM = 14,
+ PC_REGNUM = 16,
PR_REGNUM = 17,
GBR_REGNUM = 18,
VBR_REGNUM = 19,
extern gdbarch_init_ftype sh64_gdbarch_init;
extern void sh64_show_regs (struct frame_info *);
+/* This structure describes a register in a core-file. */
+struct sh_corefile_regmap
+{
+ int regnum;
+ unsigned int offset;
+};
+
+struct gdbarch_tdep
+{
+ /* Non-NULL when debugging from a core file. Provides the offset
+ where each general-purpose register is stored inside the associated
+ core file section. */
+ struct sh_corefile_regmap *core_gregmap;
+ /* Non-NULL when debugging from a core file and when FP registers are
+ available. Provides the offset where each FP register is stored
+ inside the associated core file section. */
+ struct sh_corefile_regmap *core_fpregmap;
+};
+
+extern struct regset sh_corefile_gregset;
+
+void sh_corefile_supply_regset (const struct regset *regset,
+ struct regcache *regcache,
+ int regnum, const void *regs, size_t len);
+void sh_corefile_collect_regset (const struct regset *regset,
+ const struct regcache *regcache,
+ int regnum, void *regs, size_t len);
#endif /* SH_TDEP_H */
#include <machine/reg.h>
#include "sh-tdep.h"
-#include "shnbsd-tdep.h"
#include "inf-ptrace.h"
#include "regcache.h"
|| (regno) == MACH_REGNUM || (regno) == MACL_REGNUM \
|| (regno) == SR_REGNUM)
+/* Sizeof `struct reg' in <machine/reg.h>. */
+#define SHNBSD_SIZEOF_GREGS (21 * 4)
+
static void
shnbsd_fetch_inferior_registers (struct target_ops *ops,
struct regcache *regcache, int regno)
(PTRACE_TYPE_ARG3) &inferior_registers, 0) == -1)
perror_with_name (_("Couldn't get registers"));
- shnbsd_supply_reg (regcache, (char *) &inferior_registers, regno);
+ sh_corefile_supply_regset (&sh_corefile_gregset, regcache, regno,
+ (char *) &inferior_registers,
+ SHNBSD_SIZEOF_GREGS);
if (regno != -1)
return;
(PTRACE_TYPE_ARG3) &inferior_registers, 0) == -1)
perror_with_name (_("Couldn't get registers"));
- shnbsd_fill_reg (regcache, (char *) &inferior_registers, regno);
+ sh_corefile_collect_regset (&sh_corefile_gregset, regcache, regno,
+ (char *) &inferior_registers,
+ SHNBSD_SIZEOF_GREGS);
if (ptrace (PT_SETREGS, PIDGET (inferior_ptid),
(PTRACE_TYPE_ARG3) &inferior_registers, 0) == -1)
#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 "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);
+++ /dev/null
-/* Target-dependent definitions for SuperH running NetBSD, for GDB.
- Copyright (C) 2002, 2007, 2008, 2009 Free Software Foundation, Inc.
- Contributed by Wasabi Systems, Inc.
-
- This file is part of GDB.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>. */
-
-#ifndef SH_NBSD_TDEP_H
-#define SH_NBSD_TDEP_H
-
-void shnbsd_supply_reg (struct regcache *, const char *, int);
-void shnbsd_fill_reg (const struct regcache *, char *, int);
-
-#endif /* SH_NBSD_TDEP_H */
projects / thirdparty / binutils-gdb.git / commitdiff
