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https://github.com/darlinghq/darling-gdb.git
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* arm-tdep.h: Add multiple inclusion protection.
(struct gdbarch): Add forward declaration. (armobsd_regset_from_core_section): New prototype. * armbsd-tdep.c: New file. * armobsd-tdep.c: Include "gdb_string.h". (armobsd_init_abi): Set regset_from_core_section. (armobsd_core_osabi_sniffer): New function. (_initialize_armobsd_tdep): Register armobsd_core_osabi_sniffer. * Makefile.in (ALLDEPFILES): Add armbsd-tdep.c. (armbsd-tdep.o): New dependency. (armnbsd-tdep.o): Update dependencies. * config/arm/obsd.mt (TDEPFILES): Add armbsd-tdep.o and corelow.o.
This commit is contained in:
Mark Kettenis
parent
9d7cbccda0
commit
47ccd04848
@ -1,3 +1,18 @@
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2006-08-02 Mark Kettenis <kettenis@gnu.org>
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* arm-tdep.h: Add multiple inclusion protection.
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(struct gdbarch): Add forward declaration.
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(armobsd_regset_from_core_section): New prototype.
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* armbsd-tdep.c: New file.
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* armobsd-tdep.c: Include "gdb_string.h".
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(armobsd_init_abi): Set regset_from_core_section.
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(armobsd_core_osabi_sniffer): New function.
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(_initialize_armobsd_tdep): Register armobsd_core_osabi_sniffer.
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* Makefile.in (ALLDEPFILES): Add armbsd-tdep.c.
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(armbsd-tdep.o): New dependency.
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(armnbsd-tdep.o): Update dependencies.
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* config/arm/obsd.mt (TDEPFILES): Add armbsd-tdep.o and corelow.o.
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2006-08-02 Thiemo Seufer <ths@mips.com>
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* linux-thread-db.c (thread_db_get_thread_local_address): Fix type
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@ -1418,7 +1418,7 @@ ALLDEPFILES = \
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amd64-linux-nat.c amd64-linux-tdep.c \
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amd64-sol2-tdep.c \
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arm-linux-nat.c arm-linux-tdep.c arm-tdep.c \
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armnbsd-nat.c armnbsd-tdep.c armobsd-tdep.c \
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armnbsd-nat.c armbsd-tdep.c armnbsd-tdep.c armobsd-tdep.c \
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avr-tdep.c \
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bsd-uthread.c bsd-kvm.c \
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coff-solib.c \
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@ -1778,10 +1778,13 @@ arm-linux-tdep.o: arm-linux-tdep.c $(defs_h) $(target_h) $(value_h) \
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$(glibc_tdep_h) $(trad_frame_h) $(tramp_frame_h) $(gdb_string_h)
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armnbsd-nat.o: armnbsd-nat.c $(defs_h) $(gdbcore_h) $(inferior_h) \
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$(regcache_h) $(target_h) $(gdb_string_h) $(arm_tdep_h) $(inf_ptrace_h)
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armbsd-tdep.o: armbsd-tdep.c $(defs_h) $(osabi_h) $(regcache_h) $(regset_h) \
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$(gdb_assert_h) $(gdb_string_h) $(arm_tdep_h)
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armnbsd-tdep.o: armnbsd-tdep.c $(defs_h) $(osabi_h) $(gdb_string_h) \
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$(arm_tdep_h) $(solib_svr4_h)
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armobsd-tdep.o: armobsd-tdep.c $(defs_h) $(osabi_h) $(trad_frame_h) \
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$(tramp_frame_h) $(obsd_tdep_h) $(arm_tdep_h) $(solib_svr4_h)
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$(tramp_frame_h) $(gdb_string_h) $(obsd_tdep_h) $(arm_tdep_h) \
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$(solib_svr4_h)
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arm-tdep.o: arm-tdep.c $(defs_h) $(frame_h) $(inferior_h) $(gdbcmd_h) \
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$(gdbcore_h) $(gdb_string_h) $(dis_asm_h) $(regcache_h) \
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$(doublest_h) $(value_h) $(arch_utils_h) $(osabi_h) \
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@ -18,7 +18,11 @@
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Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA. */
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#ifndef ARM_TDEP_H
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#define ARM_TDEP_H
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/* Forward declarations. */
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struct gdbarch;
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struct regset;
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/* Register numbers of various important registers. Note that some of
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@ -176,3 +180,14 @@ int arm_pc_is_thumb (CORE_ADDR);
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CORE_ADDR thumb_get_next_pc (CORE_ADDR);
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CORE_ADDR arm_get_next_pc (CORE_ADDR);
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/* Functions exported from armbsd-tdep.h. */
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/* Return the appropriate register set for the core section identified
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by SECT_NAME and SECT_SIZE. */
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extern const struct regset *
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armbsd_regset_from_core_section (struct gdbarch *gdbarch,
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const char *sect_name, size_t sect_size);
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#endif /* arm-tdep.h */
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129
gdb/armbsd-tdep.c
Normal file
129
gdb/armbsd-tdep.c
Normal file
@ -0,0 +1,129 @@
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/* Target-dependent code for ARM BSD's.
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Copyright (C) 2006 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA. */
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#include "defs.h"
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#include "osabi.h"
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#include "regcache.h"
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#include "regset.h"
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#include "gdb_assert.h"
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#include "gdb_string.h"
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#include "arm-tdep.h"
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/* Core file support. */
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/* Sizeof `struct reg' in <machine/reg.h>. */
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#define ARMBSD_SIZEOF_GREGS (17 * 4)
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/* Sizeof `struct fpreg' in <machine/reg.h. */
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#define ARMBSD_SIZEOF_FPREGS ((1 + (8 * 3)) * 4)
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int
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armbsd_fpreg_offset (int regnum)
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{
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if (regnum == ARM_FPS_REGNUM)
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return 0;
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return 4 + (regnum - ARM_F0_REGNUM) * 12;
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}
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/* Supply register REGNUM from the buffer specified by FPREGS and LEN
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in the floating-point register set REGSET to register cache
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REGCACHE. If REGNUM is -1, do this for all registers in REGSET. */
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static void
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armbsd_supply_fpregset (const struct regset *regset,
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struct regcache *regcache,
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int regnum, const void *fpregs, size_t len)
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{
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const gdb_byte *regs = fpregs;
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int i;
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gdb_assert (len >= ARMBSD_SIZEOF_FPREGS);
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for (i = ARM_F0_REGNUM; i <= ARM_FPS_REGNUM; i++)
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{
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if (regnum == i || regnum == -1)
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regcache_raw_supply (regcache, i, regs + armbsd_fpreg_offset (i));
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}
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}
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/* Supply register REGNUM from the buffer specified by GREGS and LEN
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in the general-purpose register set REGSET to register cache
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REGCACHE. If REGNUM is -1, do this for all registers in REGSET. */
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static void
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armbsd_supply_gregset (const struct regset *regset,
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struct regcache *regcache,
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int regnum, const void *gregs, size_t len)
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{
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const gdb_byte *regs = gregs;
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int i;
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gdb_assert (len >= ARMBSD_SIZEOF_GREGS);
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for (i = ARM_A1_REGNUM; i <= ARM_PC_REGNUM; i++)
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{
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if (regnum == i || regnum == -1)
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regcache_raw_supply (regcache, i, regs + i * 4);
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}
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if (regnum == ARM_PS_REGNUM || regnum == -1)
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regcache_raw_supply (regcache, i, regs + 16 * 4);
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if (len >= ARMBSD_SIZEOF_GREGS + ARMBSD_SIZEOF_FPREGS)
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{
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regs += ARMBSD_SIZEOF_GREGS;
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len -= ARMBSD_SIZEOF_GREGS;
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armbsd_supply_fpregset (regset, regcache, regnum, regs, len);
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}
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}
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/* ARM register sets. */
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static struct regset armbsd_gregset =
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{
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NULL,
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armbsd_supply_gregset
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};
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static struct regset armbsd_fpregset =
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{
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NULL,
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armbsd_supply_fpregset
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};
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/* Return the appropriate register set for the core section identified
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by SECT_NAME and SECT_SIZE. */
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const struct regset *
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armbsd_regset_from_core_section (struct gdbarch *gdbarch,
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const char *sect_name, size_t sect_size)
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{
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if (strcmp (sect_name, ".reg") == 0 && sect_size >= ARMBSD_SIZEOF_GREGS)
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return &armbsd_gregset;
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if (strcmp (sect_name, ".reg2") == 0 && sect_size >= ARMBSD_SIZEOF_FPREGS)
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return &armbsd_fpregset;
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return NULL;
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}
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@ -24,6 +24,8 @@
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#include "trad-frame.h"
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#include "tramp-frame.h"
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#include "gdb_string.h"
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#include "obsd-tdep.h"
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#include "arm-tdep.h"
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#include "solib-svr4.h"
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@ -89,13 +91,30 @@ armobsd_init_abi (struct gdbarch_info info,
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tdep->jb_pc = 24;
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tdep->jb_elt_size = 4;
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set_gdbarch_regset_from_core_section
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(gdbarch, armbsd_regset_from_core_section);
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/* OpenBSD/arm uses -fpcc-struct-return by default. */
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tdep->struct_return = pcc_struct_return;
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}
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static enum gdb_osabi
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armobsd_core_osabi_sniffer (bfd *abfd)
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{
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if (strcmp (bfd_get_target (abfd), "netbsd-core") == 0)
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return GDB_OSABI_OPENBSD_ELF;
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return GDB_OSABI_UNKNOWN;
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}
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void
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_initialize_armobsd_tdep (void)
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{
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/* BFD doesn't set a flavour for NetBSD style a.out core files. */
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gdbarch_register_osabi_sniffer (bfd_arch_arm, bfd_target_unknown_flavour,
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armobsd_core_osabi_sniffer);
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gdbarch_register_osabi (bfd_arch_arm, 0, GDB_OSABI_OPENBSD_ELF,
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armobsd_init_abi);
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}
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@ -1,2 +1,3 @@
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# Target: OpenBSD/arm
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TDEPFILES= arm-tdep.o armobsd-tdep.o obsd-tdep.o solib.o solib-svr4.o
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TDEPFILES= arm-tdep.o armbsd-tdep.o armobsd-tdep.o obsd-tdep.o \
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corelow.o solib.o solib-svr4.o
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