2004-02-18 18:44:52 +01:00
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/* Target-dependent code for OpenBSD/amd64.
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2007-01-09 18:59:20 +01:00
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Copyright (C) 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
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2004-02-18 18:44:52 +01:00
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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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2005-12-17 23:34:03 +01:00
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Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA. */
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2004-02-18 18:44:52 +01:00
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#include "defs.h"
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#include "frame.h"
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2005-12-22 14:17:49 +01:00
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#include "frame-unwind.h"
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2004-02-18 18:44:52 +01:00
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#include "gdbcore.h"
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* amd64-tdep.c (amd64_sigtramp_frame_sniffer): Rewrite to use new
sigtramp_p member of `struct gdbarch_tdep'. Also check whether
the program counter is in the range specified by `struct
gdbarch_tdep'.
* amd64-linux-tdep.c: Include "symtab.h".
(amd64_linux_pc_in_sigtramp): Remove function.
(amd64_linux_sigtramp_p): New function.
(amd64_linux_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* amd64nbsd-tdep.c: Include "symtab.h".
(amd64nbsd_sigtramp_p): New function.
(amd64nbsd_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* amd64obsd-tdep.c: Include "symtab.h" and "objfiles.h". Add a
few comments.
(amd64obsd_pc_in_sigtramp): Remove function.
(amd64obsd_sigtramp_p): New function.
(amd64obsd_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386-tdep.h (struct gdbarch_tdep): Add sigtramp_p member.
(i386bsd_pc_ins_sigtramp): Remove prototype.
(i386bsd_sigtramp_start, i386bsd_sigtramp_end): Remove prototypes.
* i386-tdep.c (i386_sigtramp_frame_sniffer): Rewrite to use new
sigtramp_p member of `struct gdbarch_tdep'. Also check whether
the program counter is in the range specified by `struct
gdbarch_tdep'.
(i386_pc_in_sigtramp, i386_svr4_pc_in_sigtramp): Remove functions.
(i386_sigtramp_p, i386_svr4_sigtramp_p): New functions.
(i386_go32_pc_in_sigtramp): Remove function.
(i386_svr4_init_abi): Don't set deprecated_pc_in_sigtramp.
Initialize TDEP->sigtramp_p.
(i386_go32_init_abi): Initialize TDEP->sigtramp_p to NULL.
(i386_gdbarch_init): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386-linux-tdep.c: Adjust comments.
(i386_linux_pc_in_sigtramp): Remove function.
(i386_linux_sigtramp_p): New function.
(i386_linux_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386-nto-tdep.c: Update copyright year.
(i386nto_pc_in_sigtramp): Remove function.
(i386nto_sigtramp_p): New function.
(i386nto_sigcontext_addr): Use I386_ESP_REGNUM instead of
SP_REGNUM.
(i386nto_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386-sol2-tdep.c: Update copyright year.
(i386_sol2_pc_in_sigtramp): Remove function.
(i386_sol2_sigtramp_p): New function.
(i386_sol2_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386bsd-tdep.c (i386bsd_pc_in_sigtramp): Remove function.
(i386bsd_sigtramp_start, i386bsd_sigtramp_end): Remove functions.
(i386bsd_init_abi): Don't set deprecated_pc_in_sigtramp,
deprecated_sigtramp_start and deprecated_sigtramp_end.
* i386nbsd-tdep.c: Include "frame.h" and "symtab.h".
(i386nbsd_pc_in_sigtramp): Remove function.
(i386nbsd_sigtramp_p): New function.
(i386nbsd_init_abi): Don't set deprecated_pc_in_sigtramp,
deprecated_sigtramp_start, deprecated_sigtramp_end. Initialize
TDEP->sigtramp_start, TDEP->sigtramp_end and TDEP->sigtramp_p.
* i386obsd-tdep.c: Include "frame.h", "symtab.h" and "objfiles.h".
(i386obsd_pc_in_sigtramp): Remove function.
(i386obsd_sigtramp_p): New function.
(i386obsd_sigtramp_start, i386obsd_sigtramp_end): Remove
functions.
(i386bsd_init_abi): Don't set deprecated_pc_in_sigtramp,
deprecated_sigtramp_start, deprecated_sigtramp_end. Initialize
TDEP->sigtramp_p.
* Makefile.in (amd64-linux-tdep.o, amd64nbsd-tdep.o,
amd64obsd-tdep.o, i386nbsd-tdep.o, i386obsd-tdep.o): Update
dependencies.
2004-04-09 18:28:50 +02:00
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#include "symtab.h"
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#include "objfiles.h"
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2004-02-18 18:44:52 +01:00
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#include "osabi.h"
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2005-12-04 21:19:25 +01:00
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#include "regcache.h"
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2004-02-20 20:03:14 +01:00
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#include "regset.h"
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2004-02-18 18:44:52 +01:00
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#include "target.h"
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2005-12-22 14:17:49 +01:00
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#include "trad-frame.h"
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2004-02-18 18:44:52 +01:00
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#include "gdb_assert.h"
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#include "gdb_string.h"
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2004-02-25 21:59:12 +01:00
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#include "amd64-tdep.h"
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2004-02-20 20:03:14 +01:00
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#include "i387-tdep.h"
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* amd64fbsd-tdep.c: Include "solib-svr4.h".
(amd64fbsd_init_abi): Set link map offsets.
* amd64nbsd-tdep.c: Include "slib-svr4.h".
(amd64nbsd_init_abi): Set link map offsets.
* amd64obsd-tdep.c: Include "solib-svr4.h".
(amd64obsd_init_abi): Set link map offsets.
* i386fbsd-tdep.c: Include "solib-svr4.h".
(i386fbsd_init_abi): Set link map offsets.
* i386nbsd-tdep.c: Include "solib-svr4.h".
(i386nbsdelf_init_abi): Set link map offsets.
* Makefile.in (amd64fbsd-tdep.o, amd64nbsd-tdep.o)
(amd64obsd-tdep.o, i386fbsd-tdep.o): Update dependencies.
* config/i386/fbsd.mh (NATDEPFILES): Remove solib.o, solib-svr4.o,
solib-legacy.o and core-aout.o. Reformat.
* config/i386/fbsd64.mh (NATDEPFILES): Remove solib.o,
solib-svr4.o, solib-legacy.o. Reformat.
* config/i386/nbsdaout.mh (NATDEPFILES): Add solib.o. Reformat.
* config/i386/nbsdelf.mh: Reformat.
* config/i386/nbsd64.mh (NATDEPFILES): Remove solib.o,
solib-svr4.o, solib-legacy.o and corelow.o.
* config/i386/obsd.mh, config/i386/obsdaout.mh: Reformat.
* config/i386/obsd64.mh (NATDEPFILES): Remove solib.o,
solib-svr4.o, solib-legacy.o and corelow.o. Reformat.
* config/i386/fbsd.mt (TDEPFILES): Add solib.o, solib-svr4.o.
* config/i386/fbsd64.mt (TDEPFILES): Add solib.o, solib-svr4.o.
(TM_FILE): Set to tm-fbsd.h.
* config/i386/nbsd.mt (TDEPFILES): Reformat.
* config/i386/nbsd64.mt (TDEPFILES): Add corelow.o, solib.o and
solib-svr4.o.
* config/i386/obsd.mt (TDEPFILES): Add corelow.o, solib.o and
solib-svr4.o.
(TM_FILE): Set to nm-nbsd.h.
* config/i386/nm-fbsd.h: Update copyright year. Tweak comments.
Simplify shared library support. Don't include "elf/common.h".
(SVR4_SHARED_LIBS): Don't define.
* config/i386/nm-fbsd64.h: Update copyright year. Don't include
"solib.h".
* config/i386/nm-nbsd.h, config/i386/nm-nbsdaout.h,
config/i386/nm-obsd.h: Update copyright year. Tweak comments.
* config/i386/tm-fbsd.h: Update copyright tear. Tweak comments.
Don't include "i386/tm-i386.h". Include "solib.h".
* config/i386/tm-nbsd.h: Update copyright year. Tweak comments.
Don't include "i386/tm-i386.h".
* config/i386/xm-i386.h: Update copyright year. Tweak comments.
* config/i386/xm-nbsd.h: Update copyright year. Tweak comments.
Include "i386/xm-i386.h".
(HOST_LONG_DOUBLE_FORMAT): Remove.
2004-02-22 17:20:22 +01:00
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#include "solib-svr4.h"
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2005-12-04 21:19:25 +01:00
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#include "bsd-uthread.h"
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2004-02-20 20:03:14 +01:00
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/* Support for core dumps. */
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static void
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amd64obsd_supply_regset (const struct regset *regset,
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struct regcache *regcache, int regnum,
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const void *regs, size_t len)
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{
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2004-05-22 17:16:22 +02:00
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const struct gdbarch_tdep *tdep = gdbarch_tdep (regset->arch);
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2004-02-20 20:03:14 +01:00
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gdb_assert (len >= tdep->sizeof_gregset + I387_SIZEOF_FXSAVE);
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i386_supply_gregset (regset, regcache, regnum, regs, tdep->sizeof_gregset);
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2005-05-08 20:00:07 +02:00
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amd64_supply_fxsave (regcache, regnum,
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((const gdb_byte *)regs) + tdep->sizeof_gregset);
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2004-02-20 20:03:14 +01:00
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}
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static const struct regset *
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amd64obsd_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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struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
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/* OpenBSD core dumps don't use seperate register sets for the
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general-purpose and floating-point registers. */
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if (strcmp (sect_name, ".reg") == 0
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&& sect_size >= tdep->sizeof_gregset + I387_SIZEOF_FXSAVE)
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{
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if (tdep->gregset == NULL)
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2004-05-22 17:16:22 +02:00
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tdep->gregset = regset_alloc (gdbarch, amd64obsd_supply_regset, NULL);
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2004-02-20 20:03:14 +01:00
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return tdep->gregset;
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}
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return NULL;
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}
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2004-02-18 18:44:52 +01:00
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/* Support for signal handlers. */
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* amd64-tdep.c (amd64_sigtramp_frame_sniffer): Rewrite to use new
sigtramp_p member of `struct gdbarch_tdep'. Also check whether
the program counter is in the range specified by `struct
gdbarch_tdep'.
* amd64-linux-tdep.c: Include "symtab.h".
(amd64_linux_pc_in_sigtramp): Remove function.
(amd64_linux_sigtramp_p): New function.
(amd64_linux_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* amd64nbsd-tdep.c: Include "symtab.h".
(amd64nbsd_sigtramp_p): New function.
(amd64nbsd_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* amd64obsd-tdep.c: Include "symtab.h" and "objfiles.h". Add a
few comments.
(amd64obsd_pc_in_sigtramp): Remove function.
(amd64obsd_sigtramp_p): New function.
(amd64obsd_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386-tdep.h (struct gdbarch_tdep): Add sigtramp_p member.
(i386bsd_pc_ins_sigtramp): Remove prototype.
(i386bsd_sigtramp_start, i386bsd_sigtramp_end): Remove prototypes.
* i386-tdep.c (i386_sigtramp_frame_sniffer): Rewrite to use new
sigtramp_p member of `struct gdbarch_tdep'. Also check whether
the program counter is in the range specified by `struct
gdbarch_tdep'.
(i386_pc_in_sigtramp, i386_svr4_pc_in_sigtramp): Remove functions.
(i386_sigtramp_p, i386_svr4_sigtramp_p): New functions.
(i386_go32_pc_in_sigtramp): Remove function.
(i386_svr4_init_abi): Don't set deprecated_pc_in_sigtramp.
Initialize TDEP->sigtramp_p.
(i386_go32_init_abi): Initialize TDEP->sigtramp_p to NULL.
(i386_gdbarch_init): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386-linux-tdep.c: Adjust comments.
(i386_linux_pc_in_sigtramp): Remove function.
(i386_linux_sigtramp_p): New function.
(i386_linux_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386-nto-tdep.c: Update copyright year.
(i386nto_pc_in_sigtramp): Remove function.
(i386nto_sigtramp_p): New function.
(i386nto_sigcontext_addr): Use I386_ESP_REGNUM instead of
SP_REGNUM.
(i386nto_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386-sol2-tdep.c: Update copyright year.
(i386_sol2_pc_in_sigtramp): Remove function.
(i386_sol2_sigtramp_p): New function.
(i386_sol2_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386bsd-tdep.c (i386bsd_pc_in_sigtramp): Remove function.
(i386bsd_sigtramp_start, i386bsd_sigtramp_end): Remove functions.
(i386bsd_init_abi): Don't set deprecated_pc_in_sigtramp,
deprecated_sigtramp_start and deprecated_sigtramp_end.
* i386nbsd-tdep.c: Include "frame.h" and "symtab.h".
(i386nbsd_pc_in_sigtramp): Remove function.
(i386nbsd_sigtramp_p): New function.
(i386nbsd_init_abi): Don't set deprecated_pc_in_sigtramp,
deprecated_sigtramp_start, deprecated_sigtramp_end. Initialize
TDEP->sigtramp_start, TDEP->sigtramp_end and TDEP->sigtramp_p.
* i386obsd-tdep.c: Include "frame.h", "symtab.h" and "objfiles.h".
(i386obsd_pc_in_sigtramp): Remove function.
(i386obsd_sigtramp_p): New function.
(i386obsd_sigtramp_start, i386obsd_sigtramp_end): Remove
functions.
(i386bsd_init_abi): Don't set deprecated_pc_in_sigtramp,
deprecated_sigtramp_start, deprecated_sigtramp_end. Initialize
TDEP->sigtramp_p.
* Makefile.in (amd64-linux-tdep.o, amd64nbsd-tdep.o,
amd64obsd-tdep.o, i386nbsd-tdep.o, i386obsd-tdep.o): Update
dependencies.
2004-04-09 18:28:50 +02:00
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/* Default page size. */
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2004-02-18 18:44:52 +01:00
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static const int amd64obsd_page_size = 4096;
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2004-04-10 01:26:19 +02:00
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/* Return whether the frame preceding NEXT_FRAME corresponds to an
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* amd64-tdep.c (amd64_sigtramp_frame_sniffer): Rewrite to use new
sigtramp_p member of `struct gdbarch_tdep'. Also check whether
the program counter is in the range specified by `struct
gdbarch_tdep'.
* amd64-linux-tdep.c: Include "symtab.h".
(amd64_linux_pc_in_sigtramp): Remove function.
(amd64_linux_sigtramp_p): New function.
(amd64_linux_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* amd64nbsd-tdep.c: Include "symtab.h".
(amd64nbsd_sigtramp_p): New function.
(amd64nbsd_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* amd64obsd-tdep.c: Include "symtab.h" and "objfiles.h". Add a
few comments.
(amd64obsd_pc_in_sigtramp): Remove function.
(amd64obsd_sigtramp_p): New function.
(amd64obsd_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386-tdep.h (struct gdbarch_tdep): Add sigtramp_p member.
(i386bsd_pc_ins_sigtramp): Remove prototype.
(i386bsd_sigtramp_start, i386bsd_sigtramp_end): Remove prototypes.
* i386-tdep.c (i386_sigtramp_frame_sniffer): Rewrite to use new
sigtramp_p member of `struct gdbarch_tdep'. Also check whether
the program counter is in the range specified by `struct
gdbarch_tdep'.
(i386_pc_in_sigtramp, i386_svr4_pc_in_sigtramp): Remove functions.
(i386_sigtramp_p, i386_svr4_sigtramp_p): New functions.
(i386_go32_pc_in_sigtramp): Remove function.
(i386_svr4_init_abi): Don't set deprecated_pc_in_sigtramp.
Initialize TDEP->sigtramp_p.
(i386_go32_init_abi): Initialize TDEP->sigtramp_p to NULL.
(i386_gdbarch_init): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386-linux-tdep.c: Adjust comments.
(i386_linux_pc_in_sigtramp): Remove function.
(i386_linux_sigtramp_p): New function.
(i386_linux_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386-nto-tdep.c: Update copyright year.
(i386nto_pc_in_sigtramp): Remove function.
(i386nto_sigtramp_p): New function.
(i386nto_sigcontext_addr): Use I386_ESP_REGNUM instead of
SP_REGNUM.
(i386nto_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386-sol2-tdep.c: Update copyright year.
(i386_sol2_pc_in_sigtramp): Remove function.
(i386_sol2_sigtramp_p): New function.
(i386_sol2_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386bsd-tdep.c (i386bsd_pc_in_sigtramp): Remove function.
(i386bsd_sigtramp_start, i386bsd_sigtramp_end): Remove functions.
(i386bsd_init_abi): Don't set deprecated_pc_in_sigtramp,
deprecated_sigtramp_start and deprecated_sigtramp_end.
* i386nbsd-tdep.c: Include "frame.h" and "symtab.h".
(i386nbsd_pc_in_sigtramp): Remove function.
(i386nbsd_sigtramp_p): New function.
(i386nbsd_init_abi): Don't set deprecated_pc_in_sigtramp,
deprecated_sigtramp_start, deprecated_sigtramp_end. Initialize
TDEP->sigtramp_start, TDEP->sigtramp_end and TDEP->sigtramp_p.
* i386obsd-tdep.c: Include "frame.h", "symtab.h" and "objfiles.h".
(i386obsd_pc_in_sigtramp): Remove function.
(i386obsd_sigtramp_p): New function.
(i386obsd_sigtramp_start, i386obsd_sigtramp_end): Remove
functions.
(i386bsd_init_abi): Don't set deprecated_pc_in_sigtramp,
deprecated_sigtramp_start, deprecated_sigtramp_end. Initialize
TDEP->sigtramp_p.
* Makefile.in (amd64-linux-tdep.o, amd64nbsd-tdep.o,
amd64obsd-tdep.o, i386nbsd-tdep.o, i386obsd-tdep.o): Update
dependencies.
2004-04-09 18:28:50 +02:00
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OpenBSD sigtramp routine. */
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2004-02-18 18:44:52 +01:00
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static int
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* amd64-tdep.c (amd64_sigtramp_frame_sniffer): Rewrite to use new
sigtramp_p member of `struct gdbarch_tdep'. Also check whether
the program counter is in the range specified by `struct
gdbarch_tdep'.
* amd64-linux-tdep.c: Include "symtab.h".
(amd64_linux_pc_in_sigtramp): Remove function.
(amd64_linux_sigtramp_p): New function.
(amd64_linux_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* amd64nbsd-tdep.c: Include "symtab.h".
(amd64nbsd_sigtramp_p): New function.
(amd64nbsd_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* amd64obsd-tdep.c: Include "symtab.h" and "objfiles.h". Add a
few comments.
(amd64obsd_pc_in_sigtramp): Remove function.
(amd64obsd_sigtramp_p): New function.
(amd64obsd_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386-tdep.h (struct gdbarch_tdep): Add sigtramp_p member.
(i386bsd_pc_ins_sigtramp): Remove prototype.
(i386bsd_sigtramp_start, i386bsd_sigtramp_end): Remove prototypes.
* i386-tdep.c (i386_sigtramp_frame_sniffer): Rewrite to use new
sigtramp_p member of `struct gdbarch_tdep'. Also check whether
the program counter is in the range specified by `struct
gdbarch_tdep'.
(i386_pc_in_sigtramp, i386_svr4_pc_in_sigtramp): Remove functions.
(i386_sigtramp_p, i386_svr4_sigtramp_p): New functions.
(i386_go32_pc_in_sigtramp): Remove function.
(i386_svr4_init_abi): Don't set deprecated_pc_in_sigtramp.
Initialize TDEP->sigtramp_p.
(i386_go32_init_abi): Initialize TDEP->sigtramp_p to NULL.
(i386_gdbarch_init): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386-linux-tdep.c: Adjust comments.
(i386_linux_pc_in_sigtramp): Remove function.
(i386_linux_sigtramp_p): New function.
(i386_linux_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386-nto-tdep.c: Update copyright year.
(i386nto_pc_in_sigtramp): Remove function.
(i386nto_sigtramp_p): New function.
(i386nto_sigcontext_addr): Use I386_ESP_REGNUM instead of
SP_REGNUM.
(i386nto_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386-sol2-tdep.c: Update copyright year.
(i386_sol2_pc_in_sigtramp): Remove function.
(i386_sol2_sigtramp_p): New function.
(i386_sol2_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386bsd-tdep.c (i386bsd_pc_in_sigtramp): Remove function.
(i386bsd_sigtramp_start, i386bsd_sigtramp_end): Remove functions.
(i386bsd_init_abi): Don't set deprecated_pc_in_sigtramp,
deprecated_sigtramp_start and deprecated_sigtramp_end.
* i386nbsd-tdep.c: Include "frame.h" and "symtab.h".
(i386nbsd_pc_in_sigtramp): Remove function.
(i386nbsd_sigtramp_p): New function.
(i386nbsd_init_abi): Don't set deprecated_pc_in_sigtramp,
deprecated_sigtramp_start, deprecated_sigtramp_end. Initialize
TDEP->sigtramp_start, TDEP->sigtramp_end and TDEP->sigtramp_p.
* i386obsd-tdep.c: Include "frame.h", "symtab.h" and "objfiles.h".
(i386obsd_pc_in_sigtramp): Remove function.
(i386obsd_sigtramp_p): New function.
(i386obsd_sigtramp_start, i386obsd_sigtramp_end): Remove
functions.
(i386bsd_init_abi): Don't set deprecated_pc_in_sigtramp,
deprecated_sigtramp_start, deprecated_sigtramp_end. Initialize
TDEP->sigtramp_p.
* Makefile.in (amd64-linux-tdep.o, amd64nbsd-tdep.o,
amd64obsd-tdep.o, i386nbsd-tdep.o, i386obsd-tdep.o): Update
dependencies.
2004-04-09 18:28:50 +02:00
|
|
|
|
amd64obsd_sigtramp_p (struct frame_info *next_frame)
|
2004-02-18 18:44:52 +01:00
|
|
|
|
{
|
* amd64-tdep.c (amd64_sigtramp_frame_sniffer): Rewrite to use new
sigtramp_p member of `struct gdbarch_tdep'. Also check whether
the program counter is in the range specified by `struct
gdbarch_tdep'.
* amd64-linux-tdep.c: Include "symtab.h".
(amd64_linux_pc_in_sigtramp): Remove function.
(amd64_linux_sigtramp_p): New function.
(amd64_linux_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* amd64nbsd-tdep.c: Include "symtab.h".
(amd64nbsd_sigtramp_p): New function.
(amd64nbsd_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* amd64obsd-tdep.c: Include "symtab.h" and "objfiles.h". Add a
few comments.
(amd64obsd_pc_in_sigtramp): Remove function.
(amd64obsd_sigtramp_p): New function.
(amd64obsd_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386-tdep.h (struct gdbarch_tdep): Add sigtramp_p member.
(i386bsd_pc_ins_sigtramp): Remove prototype.
(i386bsd_sigtramp_start, i386bsd_sigtramp_end): Remove prototypes.
* i386-tdep.c (i386_sigtramp_frame_sniffer): Rewrite to use new
sigtramp_p member of `struct gdbarch_tdep'. Also check whether
the program counter is in the range specified by `struct
gdbarch_tdep'.
(i386_pc_in_sigtramp, i386_svr4_pc_in_sigtramp): Remove functions.
(i386_sigtramp_p, i386_svr4_sigtramp_p): New functions.
(i386_go32_pc_in_sigtramp): Remove function.
(i386_svr4_init_abi): Don't set deprecated_pc_in_sigtramp.
Initialize TDEP->sigtramp_p.
(i386_go32_init_abi): Initialize TDEP->sigtramp_p to NULL.
(i386_gdbarch_init): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386-linux-tdep.c: Adjust comments.
(i386_linux_pc_in_sigtramp): Remove function.
(i386_linux_sigtramp_p): New function.
(i386_linux_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386-nto-tdep.c: Update copyright year.
(i386nto_pc_in_sigtramp): Remove function.
(i386nto_sigtramp_p): New function.
(i386nto_sigcontext_addr): Use I386_ESP_REGNUM instead of
SP_REGNUM.
(i386nto_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386-sol2-tdep.c: Update copyright year.
(i386_sol2_pc_in_sigtramp): Remove function.
(i386_sol2_sigtramp_p): New function.
(i386_sol2_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386bsd-tdep.c (i386bsd_pc_in_sigtramp): Remove function.
(i386bsd_sigtramp_start, i386bsd_sigtramp_end): Remove functions.
(i386bsd_init_abi): Don't set deprecated_pc_in_sigtramp,
deprecated_sigtramp_start and deprecated_sigtramp_end.
* i386nbsd-tdep.c: Include "frame.h" and "symtab.h".
(i386nbsd_pc_in_sigtramp): Remove function.
(i386nbsd_sigtramp_p): New function.
(i386nbsd_init_abi): Don't set deprecated_pc_in_sigtramp,
deprecated_sigtramp_start, deprecated_sigtramp_end. Initialize
TDEP->sigtramp_start, TDEP->sigtramp_end and TDEP->sigtramp_p.
* i386obsd-tdep.c: Include "frame.h", "symtab.h" and "objfiles.h".
(i386obsd_pc_in_sigtramp): Remove function.
(i386obsd_sigtramp_p): New function.
(i386obsd_sigtramp_start, i386obsd_sigtramp_end): Remove
functions.
(i386bsd_init_abi): Don't set deprecated_pc_in_sigtramp,
deprecated_sigtramp_start, deprecated_sigtramp_end. Initialize
TDEP->sigtramp_p.
* Makefile.in (amd64-linux-tdep.o, amd64nbsd-tdep.o,
amd64obsd-tdep.o, i386nbsd-tdep.o, i386obsd-tdep.o): Update
dependencies.
2004-04-09 18:28:50 +02:00
|
|
|
|
CORE_ADDR pc = frame_pc_unwind (next_frame);
|
2004-02-18 18:44:52 +01:00
|
|
|
|
CORE_ADDR start_pc = (pc & ~(amd64obsd_page_size - 1));
|
2005-05-08 20:00:07 +02:00
|
|
|
|
const gdb_byte sigreturn[] =
|
2004-02-18 18:44:52 +01:00
|
|
|
|
{
|
|
|
|
|
0x48, 0xc7, 0xc0,
|
|
|
|
|
0x67, 0x00, 0x00, 0x00, /* movq $SYS_sigreturn, %rax */
|
2004-02-22 01:11:29 +01:00
|
|
|
|
0xcd, 0x80 /* int $0x80 */
|
2004-02-18 18:44:52 +01:00
|
|
|
|
};
|
2004-08-22 22:34:55 +02:00
|
|
|
|
size_t buflen = (sizeof sigreturn) + 1;
|
2005-05-08 20:00:07 +02:00
|
|
|
|
gdb_byte *buf;
|
|
|
|
|
char *name;
|
* amd64-tdep.c (amd64_sigtramp_frame_sniffer): Rewrite to use new
sigtramp_p member of `struct gdbarch_tdep'. Also check whether
the program counter is in the range specified by `struct
gdbarch_tdep'.
* amd64-linux-tdep.c: Include "symtab.h".
(amd64_linux_pc_in_sigtramp): Remove function.
(amd64_linux_sigtramp_p): New function.
(amd64_linux_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* amd64nbsd-tdep.c: Include "symtab.h".
(amd64nbsd_sigtramp_p): New function.
(amd64nbsd_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* amd64obsd-tdep.c: Include "symtab.h" and "objfiles.h". Add a
few comments.
(amd64obsd_pc_in_sigtramp): Remove function.
(amd64obsd_sigtramp_p): New function.
(amd64obsd_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386-tdep.h (struct gdbarch_tdep): Add sigtramp_p member.
(i386bsd_pc_ins_sigtramp): Remove prototype.
(i386bsd_sigtramp_start, i386bsd_sigtramp_end): Remove prototypes.
* i386-tdep.c (i386_sigtramp_frame_sniffer): Rewrite to use new
sigtramp_p member of `struct gdbarch_tdep'. Also check whether
the program counter is in the range specified by `struct
gdbarch_tdep'.
(i386_pc_in_sigtramp, i386_svr4_pc_in_sigtramp): Remove functions.
(i386_sigtramp_p, i386_svr4_sigtramp_p): New functions.
(i386_go32_pc_in_sigtramp): Remove function.
(i386_svr4_init_abi): Don't set deprecated_pc_in_sigtramp.
Initialize TDEP->sigtramp_p.
(i386_go32_init_abi): Initialize TDEP->sigtramp_p to NULL.
(i386_gdbarch_init): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386-linux-tdep.c: Adjust comments.
(i386_linux_pc_in_sigtramp): Remove function.
(i386_linux_sigtramp_p): New function.
(i386_linux_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386-nto-tdep.c: Update copyright year.
(i386nto_pc_in_sigtramp): Remove function.
(i386nto_sigtramp_p): New function.
(i386nto_sigcontext_addr): Use I386_ESP_REGNUM instead of
SP_REGNUM.
(i386nto_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386-sol2-tdep.c: Update copyright year.
(i386_sol2_pc_in_sigtramp): Remove function.
(i386_sol2_sigtramp_p): New function.
(i386_sol2_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386bsd-tdep.c (i386bsd_pc_in_sigtramp): Remove function.
(i386bsd_sigtramp_start, i386bsd_sigtramp_end): Remove functions.
(i386bsd_init_abi): Don't set deprecated_pc_in_sigtramp,
deprecated_sigtramp_start and deprecated_sigtramp_end.
* i386nbsd-tdep.c: Include "frame.h" and "symtab.h".
(i386nbsd_pc_in_sigtramp): Remove function.
(i386nbsd_sigtramp_p): New function.
(i386nbsd_init_abi): Don't set deprecated_pc_in_sigtramp,
deprecated_sigtramp_start, deprecated_sigtramp_end. Initialize
TDEP->sigtramp_start, TDEP->sigtramp_end and TDEP->sigtramp_p.
* i386obsd-tdep.c: Include "frame.h", "symtab.h" and "objfiles.h".
(i386obsd_pc_in_sigtramp): Remove function.
(i386obsd_sigtramp_p): New function.
(i386obsd_sigtramp_start, i386obsd_sigtramp_end): Remove
functions.
(i386bsd_init_abi): Don't set deprecated_pc_in_sigtramp,
deprecated_sigtramp_start, deprecated_sigtramp_end. Initialize
TDEP->sigtramp_p.
* Makefile.in (amd64-linux-tdep.o, amd64nbsd-tdep.o,
amd64obsd-tdep.o, i386nbsd-tdep.o, i386obsd-tdep.o): Update
dependencies.
2004-04-09 18:28:50 +02:00
|
|
|
|
|
|
|
|
|
/* If the function has a valid symbol name, it isn't a
|
|
|
|
|
trampoline. */
|
|
|
|
|
find_pc_partial_function (pc, &name, NULL, NULL);
|
|
|
|
|
if (name != NULL)
|
|
|
|
|
return 0;
|
2004-02-18 18:44:52 +01:00
|
|
|
|
|
* amd64-tdep.c (amd64_sigtramp_frame_sniffer): Rewrite to use new
sigtramp_p member of `struct gdbarch_tdep'. Also check whether
the program counter is in the range specified by `struct
gdbarch_tdep'.
* amd64-linux-tdep.c: Include "symtab.h".
(amd64_linux_pc_in_sigtramp): Remove function.
(amd64_linux_sigtramp_p): New function.
(amd64_linux_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* amd64nbsd-tdep.c: Include "symtab.h".
(amd64nbsd_sigtramp_p): New function.
(amd64nbsd_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* amd64obsd-tdep.c: Include "symtab.h" and "objfiles.h". Add a
few comments.
(amd64obsd_pc_in_sigtramp): Remove function.
(amd64obsd_sigtramp_p): New function.
(amd64obsd_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386-tdep.h (struct gdbarch_tdep): Add sigtramp_p member.
(i386bsd_pc_ins_sigtramp): Remove prototype.
(i386bsd_sigtramp_start, i386bsd_sigtramp_end): Remove prototypes.
* i386-tdep.c (i386_sigtramp_frame_sniffer): Rewrite to use new
sigtramp_p member of `struct gdbarch_tdep'. Also check whether
the program counter is in the range specified by `struct
gdbarch_tdep'.
(i386_pc_in_sigtramp, i386_svr4_pc_in_sigtramp): Remove functions.
(i386_sigtramp_p, i386_svr4_sigtramp_p): New functions.
(i386_go32_pc_in_sigtramp): Remove function.
(i386_svr4_init_abi): Don't set deprecated_pc_in_sigtramp.
Initialize TDEP->sigtramp_p.
(i386_go32_init_abi): Initialize TDEP->sigtramp_p to NULL.
(i386_gdbarch_init): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386-linux-tdep.c: Adjust comments.
(i386_linux_pc_in_sigtramp): Remove function.
(i386_linux_sigtramp_p): New function.
(i386_linux_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386-nto-tdep.c: Update copyright year.
(i386nto_pc_in_sigtramp): Remove function.
(i386nto_sigtramp_p): New function.
(i386nto_sigcontext_addr): Use I386_ESP_REGNUM instead of
SP_REGNUM.
(i386nto_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386-sol2-tdep.c: Update copyright year.
(i386_sol2_pc_in_sigtramp): Remove function.
(i386_sol2_sigtramp_p): New function.
(i386_sol2_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386bsd-tdep.c (i386bsd_pc_in_sigtramp): Remove function.
(i386bsd_sigtramp_start, i386bsd_sigtramp_end): Remove functions.
(i386bsd_init_abi): Don't set deprecated_pc_in_sigtramp,
deprecated_sigtramp_start and deprecated_sigtramp_end.
* i386nbsd-tdep.c: Include "frame.h" and "symtab.h".
(i386nbsd_pc_in_sigtramp): Remove function.
(i386nbsd_sigtramp_p): New function.
(i386nbsd_init_abi): Don't set deprecated_pc_in_sigtramp,
deprecated_sigtramp_start, deprecated_sigtramp_end. Initialize
TDEP->sigtramp_start, TDEP->sigtramp_end and TDEP->sigtramp_p.
* i386obsd-tdep.c: Include "frame.h", "symtab.h" and "objfiles.h".
(i386obsd_pc_in_sigtramp): Remove function.
(i386obsd_sigtramp_p): New function.
(i386obsd_sigtramp_start, i386obsd_sigtramp_end): Remove
functions.
(i386bsd_init_abi): Don't set deprecated_pc_in_sigtramp,
deprecated_sigtramp_start, deprecated_sigtramp_end. Initialize
TDEP->sigtramp_p.
* Makefile.in (amd64-linux-tdep.o, amd64nbsd-tdep.o,
amd64obsd-tdep.o, i386nbsd-tdep.o, i386obsd-tdep.o): Update
dependencies.
2004-04-09 18:28:50 +02:00
|
|
|
|
/* If the function lives in a valid section (even without a starting
|
|
|
|
|
point) it isn't a trampoline. */
|
|
|
|
|
if (find_pc_section (pc) != NULL)
|
2004-02-18 18:44:52 +01:00
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
|
|
/* If we can't read the instructions at START_PC, return zero. */
|
2004-05-29 17:09:18 +02:00
|
|
|
|
buf = alloca ((sizeof sigreturn) + 1);
|
2004-08-22 22:34:55 +02:00
|
|
|
|
if (!safe_frame_unwind_memory (next_frame, start_pc + 6, buf, buflen))
|
2004-02-18 18:44:52 +01:00
|
|
|
|
return 0;
|
|
|
|
|
|
2004-05-29 17:09:18 +02:00
|
|
|
|
/* Check for sigreturn(2). Depending on how the assembler encoded
|
|
|
|
|
the `movq %rsp, %rdi' instruction, the code starts at offset 6 or
|
|
|
|
|
7. */
|
|
|
|
|
if (memcmp (buf, sigreturn, sizeof sigreturn)
|
|
|
|
|
&& memcpy (buf + 1, sigreturn, sizeof sigreturn))
|
2004-02-18 18:44:52 +01:00
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
|
|
return 1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Assuming NEXT_FRAME is for a frame following a BSD sigtramp
|
|
|
|
|
routine, return the address of the associated sigcontext structure. */
|
|
|
|
|
|
|
|
|
|
static CORE_ADDR
|
|
|
|
|
amd64obsd_sigcontext_addr (struct frame_info *next_frame)
|
|
|
|
|
{
|
2004-05-15 23:06:50 +02:00
|
|
|
|
CORE_ADDR pc = frame_pc_unwind (next_frame);
|
|
|
|
|
ULONGEST offset = (pc & (amd64obsd_page_size - 1));
|
|
|
|
|
|
2004-02-18 18:44:52 +01:00
|
|
|
|
/* The %rsp register points at `struct sigcontext' upon entry of a
|
2004-05-15 23:06:50 +02:00
|
|
|
|
signal trampoline. The relevant part of the trampoline is
|
|
|
|
|
|
|
|
|
|
call *%rax
|
|
|
|
|
movq %rsp, %rdi
|
|
|
|
|
pushq %rdi
|
|
|
|
|
movq $SYS_sigreturn,%rax
|
|
|
|
|
int $0x80
|
|
|
|
|
|
|
|
|
|
(see /usr/src/sys/arch/amd64/amd64/locore.S). The `pushq'
|
|
|
|
|
instruction clobbers %rsp, but its value is saved in `%rdi'. */
|
|
|
|
|
|
2004-05-29 17:09:18 +02:00
|
|
|
|
if (offset > 5)
|
2004-05-15 23:06:50 +02:00
|
|
|
|
return frame_unwind_register_unsigned (next_frame, AMD64_RDI_REGNUM);
|
|
|
|
|
else
|
|
|
|
|
return frame_unwind_register_unsigned (next_frame, AMD64_RSP_REGNUM);
|
2004-02-18 18:44:52 +01:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* OpenBSD 3.5 or later. */
|
|
|
|
|
|
|
|
|
|
/* Mapping between the general-purpose registers in `struct reg'
|
|
|
|
|
format and GDB's register cache layout. */
|
|
|
|
|
|
2004-02-20 20:03:14 +01:00
|
|
|
|
/* From <machine/reg.h>. */
|
2004-02-18 18:44:52 +01:00
|
|
|
|
int amd64obsd_r_reg_offset[] =
|
|
|
|
|
{
|
|
|
|
|
14 * 8, /* %rax */
|
|
|
|
|
13 * 8, /* %rbx */
|
|
|
|
|
3 * 8, /* %rcx */
|
|
|
|
|
2 * 8, /* %rdx */
|
|
|
|
|
1 * 8, /* %rsi */
|
|
|
|
|
0 * 8, /* %rdi */
|
|
|
|
|
12 * 8, /* %rbp */
|
|
|
|
|
15 * 8, /* %rsp */
|
|
|
|
|
4 * 8, /* %r8 .. */
|
|
|
|
|
5 * 8,
|
|
|
|
|
6 * 8,
|
|
|
|
|
7 * 8,
|
|
|
|
|
8 * 8,
|
|
|
|
|
9 * 8,
|
|
|
|
|
10 * 8,
|
|
|
|
|
11 * 8, /* ... %r15 */
|
|
|
|
|
16 * 8, /* %rip */
|
|
|
|
|
17 * 8, /* %eflags */
|
|
|
|
|
18 * 8, /* %cs */
|
|
|
|
|
19 * 8, /* %ss */
|
|
|
|
|
20 * 8, /* %ds */
|
|
|
|
|
21 * 8, /* %es */
|
|
|
|
|
22 * 8, /* %fs */
|
|
|
|
|
23 * 8 /* %gs */
|
|
|
|
|
};
|
|
|
|
|
|
2004-02-20 20:03:14 +01:00
|
|
|
|
/* From <machine/signal.h>. */
|
2004-02-18 18:44:52 +01:00
|
|
|
|
static int amd64obsd_sc_reg_offset[] =
|
|
|
|
|
{
|
|
|
|
|
14 * 8, /* %rax */
|
|
|
|
|
13 * 8, /* %rbx */
|
|
|
|
|
3 * 8, /* %rcx */
|
|
|
|
|
2 * 8, /* %rdx */
|
|
|
|
|
1 * 8, /* %rsi */
|
|
|
|
|
0 * 8, /* %rdi */
|
|
|
|
|
12 * 8, /* %rbp */
|
|
|
|
|
24 * 8, /* %rsp */
|
|
|
|
|
4 * 8, /* %r8 ... */
|
|
|
|
|
5 * 8,
|
|
|
|
|
6 * 8,
|
|
|
|
|
7 * 8,
|
|
|
|
|
8 * 8,
|
|
|
|
|
9 * 8,
|
|
|
|
|
10 * 8,
|
|
|
|
|
11 * 8, /* ... %r15 */
|
|
|
|
|
21 * 8, /* %rip */
|
|
|
|
|
23 * 8, /* %eflags */
|
|
|
|
|
22 * 8, /* %cs */
|
|
|
|
|
25 * 8, /* %ss */
|
|
|
|
|
18 * 8, /* %ds */
|
|
|
|
|
17 * 8, /* %es */
|
|
|
|
|
16 * 8, /* %fs */
|
|
|
|
|
15 * 8 /* %gs */
|
|
|
|
|
};
|
|
|
|
|
|
2005-12-04 21:19:25 +01:00
|
|
|
|
/* From /usr/src/lib/libpthread/arch/amd64/uthread_machdep.c. */
|
|
|
|
|
static int amd64obsd_uthread_reg_offset[] =
|
|
|
|
|
{
|
|
|
|
|
19 * 8, /* %rax */
|
|
|
|
|
16 * 8, /* %rbx */
|
|
|
|
|
18 * 8, /* %rcx */
|
|
|
|
|
17 * 8, /* %rdx */
|
|
|
|
|
14 * 8, /* %rsi */
|
|
|
|
|
13 * 8, /* %rdi */
|
|
|
|
|
15 * 8, /* %rbp */
|
|
|
|
|
-1, /* %rsp */
|
|
|
|
|
12 * 8, /* %r8 ... */
|
|
|
|
|
11 * 8,
|
|
|
|
|
10 * 8,
|
|
|
|
|
9 * 8,
|
|
|
|
|
8 * 8,
|
|
|
|
|
7 * 8,
|
|
|
|
|
6 * 8,
|
|
|
|
|
5 * 8, /* ... %r15 */
|
|
|
|
|
20 * 8, /* %rip */
|
|
|
|
|
4 * 8, /* %eflags */
|
|
|
|
|
21 * 8, /* %cs */
|
|
|
|
|
-1, /* %ss */
|
|
|
|
|
3 * 8, /* %ds */
|
|
|
|
|
2 * 8, /* %es */
|
|
|
|
|
1 * 8, /* %fs */
|
|
|
|
|
0 * 8 /* %gs */
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
/* Offset within the thread structure where we can find the saved
|
|
|
|
|
stack pointer (%esp). */
|
|
|
|
|
#define AMD64OBSD_UTHREAD_RSP_OFFSET 400
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
amd64obsd_supply_uthread (struct regcache *regcache,
|
|
|
|
|
int regnum, CORE_ADDR addr)
|
|
|
|
|
{
|
|
|
|
|
CORE_ADDR sp_addr = addr + AMD64OBSD_UTHREAD_RSP_OFFSET;
|
|
|
|
|
CORE_ADDR sp = 0;
|
|
|
|
|
gdb_byte buf[8];
|
|
|
|
|
int i;
|
|
|
|
|
|
|
|
|
|
gdb_assert (regnum >= -1);
|
|
|
|
|
|
|
|
|
|
if (regnum == -1 || regnum == AMD64_RSP_REGNUM)
|
|
|
|
|
{
|
|
|
|
|
int offset;
|
|
|
|
|
|
|
|
|
|
/* Fetch stack pointer from thread structure. */
|
|
|
|
|
sp = read_memory_unsigned_integer (sp_addr, 8);
|
|
|
|
|
|
|
|
|
|
/* Adjust the stack pointer such that it looks as if we just
|
|
|
|
|
returned from _thread_machdep_switch. */
|
|
|
|
|
offset = amd64obsd_uthread_reg_offset[AMD64_RIP_REGNUM] + 8;
|
|
|
|
|
store_unsigned_integer (buf, 8, sp + offset);
|
|
|
|
|
regcache_raw_supply (regcache, AMD64_RSP_REGNUM, buf);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
for (i = 0; i < ARRAY_SIZE (amd64obsd_uthread_reg_offset); i++)
|
|
|
|
|
{
|
|
|
|
|
if (amd64obsd_uthread_reg_offset[i] != -1
|
|
|
|
|
&& (regnum == -1 || regnum == i))
|
|
|
|
|
{
|
|
|
|
|
/* Fetch stack pointer from thread structure (if we didn't
|
|
|
|
|
do so already). */
|
|
|
|
|
if (sp == 0)
|
|
|
|
|
sp = read_memory_unsigned_integer (sp_addr, 8);
|
|
|
|
|
|
|
|
|
|
/* Read the saved register from the stack frame. */
|
|
|
|
|
read_memory (sp + amd64obsd_uthread_reg_offset[i], buf, 8);
|
|
|
|
|
regcache_raw_supply (regcache, i, buf);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
amd64obsd_collect_uthread (const struct regcache *regcache,
|
|
|
|
|
int regnum, CORE_ADDR addr)
|
|
|
|
|
{
|
|
|
|
|
CORE_ADDR sp_addr = addr + AMD64OBSD_UTHREAD_RSP_OFFSET;
|
|
|
|
|
CORE_ADDR sp = 0;
|
|
|
|
|
gdb_byte buf[8];
|
|
|
|
|
int i;
|
|
|
|
|
|
|
|
|
|
gdb_assert (regnum >= -1);
|
|
|
|
|
|
|
|
|
|
if (regnum == -1 || regnum == AMD64_RSP_REGNUM)
|
|
|
|
|
{
|
|
|
|
|
int offset;
|
|
|
|
|
|
|
|
|
|
/* Calculate the stack pointer (frame pointer) that will be
|
|
|
|
|
stored into the thread structure. */
|
|
|
|
|
offset = amd64obsd_uthread_reg_offset[AMD64_RIP_REGNUM] + 8;
|
|
|
|
|
regcache_raw_collect (regcache, AMD64_RSP_REGNUM, buf);
|
|
|
|
|
sp = extract_unsigned_integer (buf, 8) - offset;
|
|
|
|
|
|
|
|
|
|
/* Store the stack pointer. */
|
|
|
|
|
write_memory_unsigned_integer (sp_addr, 8, sp);
|
|
|
|
|
|
|
|
|
|
/* The stack pointer was (potentially) modified. Make sure we
|
|
|
|
|
build a proper stack frame. */
|
|
|
|
|
regnum = -1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
for (i = 0; i < ARRAY_SIZE (amd64obsd_uthread_reg_offset); i++)
|
|
|
|
|
{
|
|
|
|
|
if (amd64obsd_uthread_reg_offset[i] != -1
|
|
|
|
|
&& (regnum == -1 || regnum == i))
|
|
|
|
|
{
|
|
|
|
|
/* Fetch stack pointer from thread structure (if we didn't
|
|
|
|
|
calculate it already). */
|
|
|
|
|
if (sp == 0)
|
|
|
|
|
sp = read_memory_unsigned_integer (sp_addr, 8);
|
|
|
|
|
|
|
|
|
|
/* Write the register into the stack frame. */
|
|
|
|
|
regcache_raw_collect (regcache, i, buf);
|
|
|
|
|
write_memory (sp + amd64obsd_uthread_reg_offset[i], buf, 8);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
2005-12-22 14:17:49 +01:00
|
|
|
|
/* Kernel debugging support. */
|
|
|
|
|
|
|
|
|
|
/* From <machine/frame.h>. Easy since `struct trapframe' matches
|
|
|
|
|
`struct sigcontext'. */
|
|
|
|
|
#define amd64obsd_tf_reg_offset amd64obsd_sc_reg_offset
|
|
|
|
|
|
|
|
|
|
static struct trad_frame_cache *
|
|
|
|
|
amd64obsd_trapframe_cache(struct frame_info *next_frame, void **this_cache)
|
|
|
|
|
{
|
|
|
|
|
struct trad_frame_cache *cache;
|
|
|
|
|
CORE_ADDR func, sp, addr;
|
|
|
|
|
ULONGEST cs;
|
|
|
|
|
char *name;
|
|
|
|
|
int i;
|
|
|
|
|
|
|
|
|
|
if (*this_cache)
|
|
|
|
|
return *this_cache;
|
|
|
|
|
|
|
|
|
|
cache = trad_frame_cache_zalloc (next_frame);
|
|
|
|
|
*this_cache = cache;
|
|
|
|
|
|
* dwarf2-frame.c (dwarf2_frame_cache, dwarf2_frame_this_id)
(dwarf2_frame_sniffer): Update.
(dwarf2_signal_frame_this_id): New function.
(dwarf2_signal_frame_unwind): Use it.
(dwarf2_frame_base_sniffer): Use frame_unwind_address_in_block.
* frame.c (frame_func_unwind): Add this_type argument.
(get_frame_func): Update.
(frame_unwind_address_in_block): Add this_type argument and check it.
Fix a typo.
(get_frame_address_in_block): Update.
* frame.h (enum frame_type): Move higher in the file.
(frame_unwind_address_in_block, frame_func_unwind): Add enum frame_type
argument.
* alpha-mdebug-tdep.c, alpha-tdep.c, amd64-tdep.c, amd64obsd-tdep.c,
arm-tdep.c, avr-tdep.c, cris-tdep.c, frv-tdep.c, h8300-tdep.c,
hppa-tdep.c, i386-tdep.c, i386obsd-tdep.c, ia64-tdep.c,
libunwind-frame.c, m32c-tdep.c, m32r-linux-tdep.c, m32r-tdep.c,
m68hc11-tdep.c, m68k-tdep.c, m88k-tdep.c, mips-mdebug-tdep.c,
mips-tdep.c, mn10300-tdep.c, mt-tdep.c, rs6000-tdep.c, s390-tdep.c,
score-tdep.c, sh-tdep.c, sh64-tdep.c, sparc-tdep.c,
sparc64obsd-tdep.c, spu-tdep.c, v850-tdep.c, vax-tdep.c,
xstormy16-tdep.c, xtensa-tdep.c: Update calls to
frame_func_unwind and frame_unwind_address_in_block to specify
the frame type. Use frame_unwind_address_in_block instead of
frame_pc_unwind in sniffers.
* gdb.arch/i386-signal.c, gdb.arch/i386-signal.exp: New files.
2007-02-27 21:17:19 +01:00
|
|
|
|
/* NORMAL_FRAME matches the type in amd64obsd_trapframe_unwind, but
|
|
|
|
|
SIGTRAMP_FRAME might be more appropriate. */
|
|
|
|
|
func = frame_func_unwind (next_frame, NORMAL_FRAME);
|
2005-12-22 14:17:49 +01:00
|
|
|
|
sp = frame_unwind_register_unsigned (next_frame, AMD64_RSP_REGNUM);
|
|
|
|
|
|
|
|
|
|
find_pc_partial_function (func, &name, NULL, NULL);
|
2005-12-22 16:57:04 +01:00
|
|
|
|
if (name && strncmp (name, "Xintr", 5) == 0)
|
2005-12-22 14:17:49 +01:00
|
|
|
|
addr = sp + 8; /* It's an interrupt frame. */
|
|
|
|
|
else
|
|
|
|
|
addr = sp;
|
|
|
|
|
|
|
|
|
|
for (i = 0; i < ARRAY_SIZE (amd64obsd_tf_reg_offset); i++)
|
|
|
|
|
if (amd64obsd_tf_reg_offset[i] != -1)
|
|
|
|
|
trad_frame_set_reg_addr (cache, i, addr + amd64obsd_tf_reg_offset[i]);
|
|
|
|
|
|
|
|
|
|
/* Read %cs from trap frame. */
|
2005-12-22 15:09:17 +01:00
|
|
|
|
addr += amd64obsd_tf_reg_offset[AMD64_CS_REGNUM];
|
2005-12-22 14:17:49 +01:00
|
|
|
|
cs = read_memory_unsigned_integer (addr, 8);
|
|
|
|
|
if ((cs & I386_SEL_RPL) == I386_SEL_UPL)
|
|
|
|
|
{
|
2005-12-22 16:57:04 +01:00
|
|
|
|
/* Trap from user space; terminate backtrace. */
|
2005-12-22 14:17:49 +01:00
|
|
|
|
trad_frame_set_id (cache, null_frame_id);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
/* Construct the frame ID using the function start. */
|
|
|
|
|
trad_frame_set_id (cache, frame_id_build (sp + 16, func));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return cache;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
amd64obsd_trapframe_this_id (struct frame_info *next_frame,
|
|
|
|
|
void **this_cache, struct frame_id *this_id)
|
|
|
|
|
{
|
|
|
|
|
struct trad_frame_cache *cache =
|
|
|
|
|
amd64obsd_trapframe_cache (next_frame, this_cache);
|
|
|
|
|
|
|
|
|
|
trad_frame_get_id (cache, this_id);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
amd64obsd_trapframe_prev_register (struct frame_info *next_frame,
|
|
|
|
|
void **this_cache, int regnum,
|
|
|
|
|
int *optimizedp, enum lval_type *lvalp,
|
|
|
|
|
CORE_ADDR *addrp, int *realnump,
|
|
|
|
|
gdb_byte *valuep)
|
|
|
|
|
{
|
|
|
|
|
struct trad_frame_cache *cache =
|
|
|
|
|
amd64obsd_trapframe_cache (next_frame, this_cache);
|
|
|
|
|
|
|
|
|
|
trad_frame_get_register (cache, next_frame, regnum,
|
|
|
|
|
optimizedp, lvalp, addrp, realnump, valuep);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int
|
|
|
|
|
amd64obsd_trapframe_sniffer (const struct frame_unwind *self,
|
|
|
|
|
struct frame_info *next_frame,
|
|
|
|
|
void **this_prologue_cache)
|
|
|
|
|
{
|
|
|
|
|
ULONGEST cs;
|
|
|
|
|
char *name;
|
|
|
|
|
|
2005-12-22 17:13:20 +01:00
|
|
|
|
/* Check Current Privilege Level and bail out if we're not executing
|
2005-12-22 16:57:04 +01:00
|
|
|
|
in kernel space. */
|
2005-12-22 14:17:49 +01:00
|
|
|
|
cs = frame_unwind_register_unsigned (next_frame, AMD64_CS_REGNUM);
|
|
|
|
|
if ((cs & I386_SEL_RPL) == I386_SEL_UPL)
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
|
|
find_pc_partial_function (frame_pc_unwind (next_frame), &name, NULL, NULL);
|
|
|
|
|
return (name && ((strcmp (name, "calltrap") == 0)
|
|
|
|
|
|| (strcmp (name, "osyscall1") == 0)
|
|
|
|
|
|| (strcmp (name, "Xsyscall") == 0)
|
|
|
|
|
|| (strncmp (name, "Xintr", 5) == 0)));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static const struct frame_unwind amd64obsd_trapframe_unwind = {
|
|
|
|
|
/* FIXME: kettenis/20051219: This really is more like an interrupt
|
|
|
|
|
frame, but SIGTRAMP_FRAME would print <signal handler called>,
|
|
|
|
|
which really is not what we want here. */
|
|
|
|
|
NORMAL_FRAME,
|
|
|
|
|
amd64obsd_trapframe_this_id,
|
|
|
|
|
amd64obsd_trapframe_prev_register,
|
|
|
|
|
NULL,
|
|
|
|
|
amd64obsd_trapframe_sniffer
|
|
|
|
|
};
|
|
|
|
|
|
2005-12-04 21:19:25 +01:00
|
|
|
|
|
2004-02-18 18:44:52 +01:00
|
|
|
|
static void
|
|
|
|
|
amd64obsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
|
|
|
|
|
{
|
|
|
|
|
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
|
|
|
|
|
|
* x86-64-tdep.h: Tewak comment.
(enum amd64_regnum): New.
(X86_64_RAX_REGNUM, X86_64_RDX_REGNUM, X86_64_RDI_REGNUM)
(X86_64_RBP_REGNUM, X86_64_RSP_REGNUM, X86_64_RIP_REGNUM)
(X86_64_EFLAGS_REGNUM, X86_64_ST0_REGNUM, X86_64_XMM0_REGNUM)
(X86_64_XMM1_REGNUM): Removed.
(AMD64_NUM_GREGS): Renamed from X86_64_NUM_GREGS.
(amd64_init_abi, amd64_supply_fxsave, amd64_fill_fxsave): Adjust
prototypes for renamed functions.
* x86-64-tdep.c: Fix typo.
(amd64_dwarf_regmap): Use constants from `enum amd64_regnum' for
register numbers.
(amd64_return_value, amd64_push_arguments, amd64_push_dummy_call):
Use constants from `enum amd64_regnum' for register numbers.
(AMD64_NUM_SAVED_REGS): Adjust for renamed macros.
(amd64_analyze_prologue, amd64_frame_cache,
amd64_sigtramp_frame_cache): Use constants from `enum
amd64_regnum' for register numbers.
(amd64_supply_fpregset): Adjust for renamed functions.
(amd64_init_abi): Rename from x86_64_init_abi. Use constants from
`enum amd64_regnum' for register numbers.
(I387_ST0_REGNUM): Use constant from `enum amd64_regnum'.
(amd64_supply_fxsave): Rename from x86_64_supply_fxsave.
(amd64_fill_fxsave): Rename fro x86_64_fill_fxsave.
* x86-64-linux-tdep.c (amd64_linux_supply_gregset)
(amd64_linux_fill_gregset): Adjust for renamed macros.
(fetch_core_registers): Adjust for renamed functions.
(amd64_linux_init_abi): Adjust for renamed functions.
* x86-64-linux-nat.c (supply_gregset, fill_gregset): Adjust for
renamed functions.
* amd64-nat.c: Adjust for renamed macros.
* amd64bsd-nat.c (fetch_inferior_registers)
(store_inferior_registers): Use constants from `enum amd64_regnum'
for register numbers. Adjust for renamed variables.
* amd64fbsd-nat.c (supply_gregset, fill_gregset): Adjust for
renamed variables.
(_initialize_amd64fbsd_nat): Use constants from `enum
amd64_regnum' for register numbers.
* amd64fbsd-tdep.c (amd64fbsd_sigcontext_addr): Use constants from
`enum amd64_regnum' for register numbers.
(amd64fbsd_init_abi): Adjust for renamed functions.
* amd64nbsd-tdep.c (amd64nbsd_sigcontext_addr): Use constants from
`enum amd64_regnum' for register numbers.
(amd64nbsd_init_abi): Adjust for renamed functions.
(_initialize_amd64nbsd_ndep): Adjust for renamed macros.
* amd64obsd-tdep.c (amd64obsd_sigcontext_addr): Use constants from
`enum amd64_regnum' for register numbers.
(amd64obsd_init_abi): Adjust for renamed functions.
(_initialize_amd64obsd_ndep): Adjust for renamed macros.
2004-02-23 22:37:52 +01:00
|
|
|
|
amd64_init_abi (info, gdbarch);
|
2004-02-18 18:44:52 +01:00
|
|
|
|
|
2004-02-20 20:03:14 +01:00
|
|
|
|
/* Initialize general-purpose register set details. */
|
|
|
|
|
tdep->gregset_reg_offset = amd64obsd_r_reg_offset;
|
|
|
|
|
tdep->gregset_num_regs = ARRAY_SIZE (amd64obsd_r_reg_offset);
|
|
|
|
|
tdep->sizeof_gregset = 24 * 8;
|
|
|
|
|
|
|
|
|
|
set_gdbarch_regset_from_core_section (gdbarch,
|
|
|
|
|
amd64obsd_regset_from_core_section);
|
|
|
|
|
|
2004-02-18 18:44:52 +01:00
|
|
|
|
tdep->jb_pc_offset = 7 * 8;
|
|
|
|
|
|
* amd64-tdep.c (amd64_sigtramp_frame_sniffer): Rewrite to use new
sigtramp_p member of `struct gdbarch_tdep'. Also check whether
the program counter is in the range specified by `struct
gdbarch_tdep'.
* amd64-linux-tdep.c: Include "symtab.h".
(amd64_linux_pc_in_sigtramp): Remove function.
(amd64_linux_sigtramp_p): New function.
(amd64_linux_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* amd64nbsd-tdep.c: Include "symtab.h".
(amd64nbsd_sigtramp_p): New function.
(amd64nbsd_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* amd64obsd-tdep.c: Include "symtab.h" and "objfiles.h". Add a
few comments.
(amd64obsd_pc_in_sigtramp): Remove function.
(amd64obsd_sigtramp_p): New function.
(amd64obsd_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386-tdep.h (struct gdbarch_tdep): Add sigtramp_p member.
(i386bsd_pc_ins_sigtramp): Remove prototype.
(i386bsd_sigtramp_start, i386bsd_sigtramp_end): Remove prototypes.
* i386-tdep.c (i386_sigtramp_frame_sniffer): Rewrite to use new
sigtramp_p member of `struct gdbarch_tdep'. Also check whether
the program counter is in the range specified by `struct
gdbarch_tdep'.
(i386_pc_in_sigtramp, i386_svr4_pc_in_sigtramp): Remove functions.
(i386_sigtramp_p, i386_svr4_sigtramp_p): New functions.
(i386_go32_pc_in_sigtramp): Remove function.
(i386_svr4_init_abi): Don't set deprecated_pc_in_sigtramp.
Initialize TDEP->sigtramp_p.
(i386_go32_init_abi): Initialize TDEP->sigtramp_p to NULL.
(i386_gdbarch_init): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386-linux-tdep.c: Adjust comments.
(i386_linux_pc_in_sigtramp): Remove function.
(i386_linux_sigtramp_p): New function.
(i386_linux_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386-nto-tdep.c: Update copyright year.
(i386nto_pc_in_sigtramp): Remove function.
(i386nto_sigtramp_p): New function.
(i386nto_sigcontext_addr): Use I386_ESP_REGNUM instead of
SP_REGNUM.
(i386nto_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386-sol2-tdep.c: Update copyright year.
(i386_sol2_pc_in_sigtramp): Remove function.
(i386_sol2_sigtramp_p): New function.
(i386_sol2_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386bsd-tdep.c (i386bsd_pc_in_sigtramp): Remove function.
(i386bsd_sigtramp_start, i386bsd_sigtramp_end): Remove functions.
(i386bsd_init_abi): Don't set deprecated_pc_in_sigtramp,
deprecated_sigtramp_start and deprecated_sigtramp_end.
* i386nbsd-tdep.c: Include "frame.h" and "symtab.h".
(i386nbsd_pc_in_sigtramp): Remove function.
(i386nbsd_sigtramp_p): New function.
(i386nbsd_init_abi): Don't set deprecated_pc_in_sigtramp,
deprecated_sigtramp_start, deprecated_sigtramp_end. Initialize
TDEP->sigtramp_start, TDEP->sigtramp_end and TDEP->sigtramp_p.
* i386obsd-tdep.c: Include "frame.h", "symtab.h" and "objfiles.h".
(i386obsd_pc_in_sigtramp): Remove function.
(i386obsd_sigtramp_p): New function.
(i386obsd_sigtramp_start, i386obsd_sigtramp_end): Remove
functions.
(i386bsd_init_abi): Don't set deprecated_pc_in_sigtramp,
deprecated_sigtramp_start, deprecated_sigtramp_end. Initialize
TDEP->sigtramp_p.
* Makefile.in (amd64-linux-tdep.o, amd64nbsd-tdep.o,
amd64obsd-tdep.o, i386nbsd-tdep.o, i386obsd-tdep.o): Update
dependencies.
2004-04-09 18:28:50 +02:00
|
|
|
|
tdep->sigtramp_p = amd64obsd_sigtramp_p;
|
2004-02-18 18:44:52 +01:00
|
|
|
|
tdep->sigcontext_addr = amd64obsd_sigcontext_addr;
|
|
|
|
|
tdep->sc_reg_offset = amd64obsd_sc_reg_offset;
|
|
|
|
|
tdep->sc_num_regs = ARRAY_SIZE (amd64obsd_sc_reg_offset);
|
* amd64fbsd-tdep.c: Include "solib-svr4.h".
(amd64fbsd_init_abi): Set link map offsets.
* amd64nbsd-tdep.c: Include "slib-svr4.h".
(amd64nbsd_init_abi): Set link map offsets.
* amd64obsd-tdep.c: Include "solib-svr4.h".
(amd64obsd_init_abi): Set link map offsets.
* i386fbsd-tdep.c: Include "solib-svr4.h".
(i386fbsd_init_abi): Set link map offsets.
* i386nbsd-tdep.c: Include "solib-svr4.h".
(i386nbsdelf_init_abi): Set link map offsets.
* Makefile.in (amd64fbsd-tdep.o, amd64nbsd-tdep.o)
(amd64obsd-tdep.o, i386fbsd-tdep.o): Update dependencies.
* config/i386/fbsd.mh (NATDEPFILES): Remove solib.o, solib-svr4.o,
solib-legacy.o and core-aout.o. Reformat.
* config/i386/fbsd64.mh (NATDEPFILES): Remove solib.o,
solib-svr4.o, solib-legacy.o. Reformat.
* config/i386/nbsdaout.mh (NATDEPFILES): Add solib.o. Reformat.
* config/i386/nbsdelf.mh: Reformat.
* config/i386/nbsd64.mh (NATDEPFILES): Remove solib.o,
solib-svr4.o, solib-legacy.o and corelow.o.
* config/i386/obsd.mh, config/i386/obsdaout.mh: Reformat.
* config/i386/obsd64.mh (NATDEPFILES): Remove solib.o,
solib-svr4.o, solib-legacy.o and corelow.o. Reformat.
* config/i386/fbsd.mt (TDEPFILES): Add solib.o, solib-svr4.o.
* config/i386/fbsd64.mt (TDEPFILES): Add solib.o, solib-svr4.o.
(TM_FILE): Set to tm-fbsd.h.
* config/i386/nbsd.mt (TDEPFILES): Reformat.
* config/i386/nbsd64.mt (TDEPFILES): Add corelow.o, solib.o and
solib-svr4.o.
* config/i386/obsd.mt (TDEPFILES): Add corelow.o, solib.o and
solib-svr4.o.
(TM_FILE): Set to nm-nbsd.h.
* config/i386/nm-fbsd.h: Update copyright year. Tweak comments.
Simplify shared library support. Don't include "elf/common.h".
(SVR4_SHARED_LIBS): Don't define.
* config/i386/nm-fbsd64.h: Update copyright year. Don't include
"solib.h".
* config/i386/nm-nbsd.h, config/i386/nm-nbsdaout.h,
config/i386/nm-obsd.h: Update copyright year. Tweak comments.
* config/i386/tm-fbsd.h: Update copyright tear. Tweak comments.
Don't include "i386/tm-i386.h". Include "solib.h".
* config/i386/tm-nbsd.h: Update copyright year. Tweak comments.
Don't include "i386/tm-i386.h".
* config/i386/xm-i386.h: Update copyright year. Tweak comments.
* config/i386/xm-nbsd.h: Update copyright year. Tweak comments.
Include "i386/xm-i386.h".
(HOST_LONG_DOUBLE_FORMAT): Remove.
2004-02-22 17:20:22 +01:00
|
|
|
|
|
2005-12-04 21:19:25 +01:00
|
|
|
|
/* OpenBSD provides a user-level threads implementation. */
|
|
|
|
|
bsd_uthread_set_supply_uthread (gdbarch, amd64obsd_supply_uthread);
|
|
|
|
|
bsd_uthread_set_collect_uthread (gdbarch, amd64obsd_collect_uthread);
|
|
|
|
|
|
* amd64fbsd-tdep.c: Include "solib-svr4.h".
(amd64fbsd_init_abi): Set link map offsets.
* amd64nbsd-tdep.c: Include "slib-svr4.h".
(amd64nbsd_init_abi): Set link map offsets.
* amd64obsd-tdep.c: Include "solib-svr4.h".
(amd64obsd_init_abi): Set link map offsets.
* i386fbsd-tdep.c: Include "solib-svr4.h".
(i386fbsd_init_abi): Set link map offsets.
* i386nbsd-tdep.c: Include "solib-svr4.h".
(i386nbsdelf_init_abi): Set link map offsets.
* Makefile.in (amd64fbsd-tdep.o, amd64nbsd-tdep.o)
(amd64obsd-tdep.o, i386fbsd-tdep.o): Update dependencies.
* config/i386/fbsd.mh (NATDEPFILES): Remove solib.o, solib-svr4.o,
solib-legacy.o and core-aout.o. Reformat.
* config/i386/fbsd64.mh (NATDEPFILES): Remove solib.o,
solib-svr4.o, solib-legacy.o. Reformat.
* config/i386/nbsdaout.mh (NATDEPFILES): Add solib.o. Reformat.
* config/i386/nbsdelf.mh: Reformat.
* config/i386/nbsd64.mh (NATDEPFILES): Remove solib.o,
solib-svr4.o, solib-legacy.o and corelow.o.
* config/i386/obsd.mh, config/i386/obsdaout.mh: Reformat.
* config/i386/obsd64.mh (NATDEPFILES): Remove solib.o,
solib-svr4.o, solib-legacy.o and corelow.o. Reformat.
* config/i386/fbsd.mt (TDEPFILES): Add solib.o, solib-svr4.o.
* config/i386/fbsd64.mt (TDEPFILES): Add solib.o, solib-svr4.o.
(TM_FILE): Set to tm-fbsd.h.
* config/i386/nbsd.mt (TDEPFILES): Reformat.
* config/i386/nbsd64.mt (TDEPFILES): Add corelow.o, solib.o and
solib-svr4.o.
* config/i386/obsd.mt (TDEPFILES): Add corelow.o, solib.o and
solib-svr4.o.
(TM_FILE): Set to nm-nbsd.h.
* config/i386/nm-fbsd.h: Update copyright year. Tweak comments.
Simplify shared library support. Don't include "elf/common.h".
(SVR4_SHARED_LIBS): Don't define.
* config/i386/nm-fbsd64.h: Update copyright year. Don't include
"solib.h".
* config/i386/nm-nbsd.h, config/i386/nm-nbsdaout.h,
config/i386/nm-obsd.h: Update copyright year. Tweak comments.
* config/i386/tm-fbsd.h: Update copyright tear. Tweak comments.
Don't include "i386/tm-i386.h". Include "solib.h".
* config/i386/tm-nbsd.h: Update copyright year. Tweak comments.
Don't include "i386/tm-i386.h".
* config/i386/xm-i386.h: Update copyright year. Tweak comments.
* config/i386/xm-nbsd.h: Update copyright year. Tweak comments.
Include "i386/xm-i386.h".
(HOST_LONG_DOUBLE_FORMAT): Remove.
2004-02-22 17:20:22 +01:00
|
|
|
|
/* OpenBSD uses SVR4-style shared libraries. */
|
|
|
|
|
set_solib_svr4_fetch_link_map_offsets
|
|
|
|
|
(gdbarch, svr4_lp64_fetch_link_map_offsets);
|
2005-12-22 14:17:49 +01:00
|
|
|
|
|
|
|
|
|
/* Unwind kernel trap frames correctly. */
|
|
|
|
|
frame_unwind_prepend_unwinder (gdbarch, &amd64obsd_trapframe_unwind);
|
2004-02-18 18:44:52 +01:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Provide a prototype to silence -Wmissing-prototypes. */
|
|
|
|
|
void _initialize_amd64obsd_tdep (void);
|
|
|
|
|
|
|
|
|
|
void
|
2004-02-20 20:03:14 +01:00
|
|
|
|
_initialize_amd64obsd_tdep (void)
|
2004-02-18 18:44:52 +01:00
|
|
|
|
{
|
|
|
|
|
/* The OpenBSD/amd64 native dependent code makes this assumption. */
|
* x86-64-tdep.h: Tewak comment.
(enum amd64_regnum): New.
(X86_64_RAX_REGNUM, X86_64_RDX_REGNUM, X86_64_RDI_REGNUM)
(X86_64_RBP_REGNUM, X86_64_RSP_REGNUM, X86_64_RIP_REGNUM)
(X86_64_EFLAGS_REGNUM, X86_64_ST0_REGNUM, X86_64_XMM0_REGNUM)
(X86_64_XMM1_REGNUM): Removed.
(AMD64_NUM_GREGS): Renamed from X86_64_NUM_GREGS.
(amd64_init_abi, amd64_supply_fxsave, amd64_fill_fxsave): Adjust
prototypes for renamed functions.
* x86-64-tdep.c: Fix typo.
(amd64_dwarf_regmap): Use constants from `enum amd64_regnum' for
register numbers.
(amd64_return_value, amd64_push_arguments, amd64_push_dummy_call):
Use constants from `enum amd64_regnum' for register numbers.
(AMD64_NUM_SAVED_REGS): Adjust for renamed macros.
(amd64_analyze_prologue, amd64_frame_cache,
amd64_sigtramp_frame_cache): Use constants from `enum
amd64_regnum' for register numbers.
(amd64_supply_fpregset): Adjust for renamed functions.
(amd64_init_abi): Rename from x86_64_init_abi. Use constants from
`enum amd64_regnum' for register numbers.
(I387_ST0_REGNUM): Use constant from `enum amd64_regnum'.
(amd64_supply_fxsave): Rename from x86_64_supply_fxsave.
(amd64_fill_fxsave): Rename fro x86_64_fill_fxsave.
* x86-64-linux-tdep.c (amd64_linux_supply_gregset)
(amd64_linux_fill_gregset): Adjust for renamed macros.
(fetch_core_registers): Adjust for renamed functions.
(amd64_linux_init_abi): Adjust for renamed functions.
* x86-64-linux-nat.c (supply_gregset, fill_gregset): Adjust for
renamed functions.
* amd64-nat.c: Adjust for renamed macros.
* amd64bsd-nat.c (fetch_inferior_registers)
(store_inferior_registers): Use constants from `enum amd64_regnum'
for register numbers. Adjust for renamed variables.
* amd64fbsd-nat.c (supply_gregset, fill_gregset): Adjust for
renamed variables.
(_initialize_amd64fbsd_nat): Use constants from `enum
amd64_regnum' for register numbers.
* amd64fbsd-tdep.c (amd64fbsd_sigcontext_addr): Use constants from
`enum amd64_regnum' for register numbers.
(amd64fbsd_init_abi): Adjust for renamed functions.
* amd64nbsd-tdep.c (amd64nbsd_sigcontext_addr): Use constants from
`enum amd64_regnum' for register numbers.
(amd64nbsd_init_abi): Adjust for renamed functions.
(_initialize_amd64nbsd_ndep): Adjust for renamed macros.
* amd64obsd-tdep.c (amd64obsd_sigcontext_addr): Use constants from
`enum amd64_regnum' for register numbers.
(amd64obsd_init_abi): Adjust for renamed functions.
(_initialize_amd64obsd_ndep): Adjust for renamed macros.
2004-02-23 22:37:52 +01:00
|
|
|
|
gdb_assert (ARRAY_SIZE (amd64obsd_r_reg_offset) == AMD64_NUM_GREGS);
|
2004-02-18 18:44:52 +01:00
|
|
|
|
|
|
|
|
|
gdbarch_register_osabi (bfd_arch_i386, bfd_mach_x86_64,
|
|
|
|
|
GDB_OSABI_OPENBSD_ELF, amd64obsd_init_abi);
|
2004-02-20 20:03:14 +01:00
|
|
|
|
|
|
|
|
|
/* OpenBSD uses traditional (a.out) NetBSD-style core dumps. */
|
|
|
|
|
gdbarch_register_osabi (bfd_arch_i386, bfd_mach_x86_64,
|
|
|
|
|
GDB_OSABI_NETBSD_AOUT, amd64obsd_init_abi);
|
2004-02-18 18:44:52 +01:00
|
|
|
|
}
|