* configure.host: Add x86_64-*-freebsd*.
* configure.tgt: Add x86_64-*-freebsd*. * Makefile.in (amd64fbsd-nat.o, amd64fbsd-tdep.o): New targets. * amd64fbsd-nat.c: New file. * amd64fbsd-tdep.c: New file. * config/i386/nm-fbsd64.h: New file. * config/i386/fbsd64.mh: New file. * config/i386/fbsd64.mt: New file.
This commit is contained in:
Mark Kettenis
parent
974b2f82b1
commit
68cc0bfb7d
|
|
@ -1,3 +1,14 @@
|
|||
2003-07-13 Mark Kettenis <kettenis@gnu.org>
|
||||
|
||||
* configure.host: Add x86_64-*-freebsd*.
|
||||
* configure.tgt: Add x86_64-*-freebsd*.
|
||||
* Makefile.in (amd64fbsd-nat.o, amd64fbsd-tdep.o): New targets.
|
||||
* amd64fbsd-nat.c: New file.
|
||||
* amd64fbsd-tdep.c: New file.
|
||||
* config/i386/nm-fbsd64.h: New file.
|
||||
* config/i386/fbsd64.mh: New file.
|
||||
* config/i386/fbsd64.mt: New file.
|
||||
|
||||
2003-07-11 Mark Kettenis <kettenis@gnu.org>
|
||||
|
||||
* alpha-tdep.h (struct gdbarch_tdep): Add members `sc_pc_offset',
|
||||
|
|
|
|||
|
|
@ -1529,6 +1529,11 @@ alphafbsd-tdep.o: alphafbsd-tdep.c $(defs_h) $(value_h) $(alpha_tdep_h) \
|
|||
alphanbsd-tdep.o: alphanbsd-tdep.c $(defs_h) $(gdbcore_h) $(frame_h) \
|
||||
$(regcache_h) $(value_h) $(solib_svr4_h) $(alpha_tdep_h) \
|
||||
$(alphabsd_tdep_h) $(nbsd_tdep_h) $(osabi_h)
|
||||
amd64fbsd-nat.o: amd64fbsd-nat.o $(defs_h) $(inferior_h) $(regcache_h) \
|
||||
$(gdb_assert_h) $(gregset_h) $(x86_64_tdep_h)
|
||||
amd64fbsd-tdep.o: amd64fbsd-tdep.o $(defs_h) $(arch_utils_h) $(frame_h) \
|
||||
$(gdbcore_h) $(regcache_h) $(osabi_h) $(gdb_string_h) \
|
||||
$(x86_64_tdep_h)
|
||||
annotate.o: annotate.c $(defs_h) $(annotate_h) $(value_h) $(target_h) \
|
||||
$(gdbtypes_h) $(breakpoint_h)
|
||||
arch-utils.o: arch-utils.c $(defs_h) $(arch_utils_h) $(gdbcmd_h) \
|
||||
|
|
|
|||
|
|
@ -0,0 +1,300 @@
|
|||
/* Native-dependent code for FreeBSD/amd64.
|
||||
Copyright 2003 Free Software Foundation, 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 2 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, write to the Free Software
|
||||
Foundation, Inc., 59 Temple Place - Suite 330,
|
||||
Boston, MA 02111-1307, USA. */
|
||||
|
||||
#include "defs.h"
|
||||
#include "inferior.h"
|
||||
#include "regcache.h"
|
||||
|
||||
#include "gdb_assert.h"
|
||||
#include <signal.h>
|
||||
#include <stddef.h>
|
||||
#include <sys/types.h>
|
||||
#include <sys/ptrace.h>
|
||||
#include <sys/sysctl.h>
|
||||
#include <machine/reg.h>
|
||||
|
||||
#ifdef HAVE_SYS_PROCFS_H
|
||||
#include <sys/procfs.h>
|
||||
#endif
|
||||
|
||||
#ifndef HAVE_GREGSET_T
|
||||
typedef struct reg gregset_t;
|
||||
#endif
|
||||
|
||||
#ifndef HAVE_FPREGSET_T
|
||||
typedef struct fpreg fpregset_t;
|
||||
#endif
|
||||
|
||||
#include "gregset.h"
|
||||
#include "x86-64-tdep.h"
|
||||
|
||||
|
||||
/* Offset to the gregset_t location where REG is stored. */
|
||||
#define REG_OFFSET(reg) offsetof (gregset_t, reg)
|
||||
|
||||
/* At reg_offset[REGNO] you'll find the offset to the gregset_t
|
||||
location where the GDB register REGNO is stored. Unsupported
|
||||
registers are marked with `-1'. */
|
||||
static int reg_offset[] =
|
||||
{
|
||||
REG_OFFSET (r_rax),
|
||||
REG_OFFSET (r_rbx),
|
||||
REG_OFFSET (r_rcx),
|
||||
REG_OFFSET (r_rdx),
|
||||
REG_OFFSET (r_rsi),
|
||||
REG_OFFSET (r_rdi),
|
||||
REG_OFFSET (r_rbp),
|
||||
REG_OFFSET (r_rsp),
|
||||
REG_OFFSET (r_r8),
|
||||
REG_OFFSET (r_r9),
|
||||
REG_OFFSET (r_r10),
|
||||
REG_OFFSET (r_r11),
|
||||
REG_OFFSET (r_r12),
|
||||
REG_OFFSET (r_r13),
|
||||
REG_OFFSET (r_r14),
|
||||
REG_OFFSET (r_r15),
|
||||
REG_OFFSET (r_rip),
|
||||
REG_OFFSET (r_rflags),
|
||||
-1,
|
||||
-1,
|
||||
-1,
|
||||
-1
|
||||
};
|
||||
|
||||
#define REG_ADDR(regset, regno) ((char *) (regset) + reg_offset[regno])
|
||||
|
||||
/* Macro to determine if a register is fetched with PT_GETREGS. */
|
||||
#define GETREGS_SUPPLIES(regno) \
|
||||
((0 <= (regno) && (regno) < X86_64_NUM_GREGS))
|
||||
|
||||
|
||||
/* Transfering the registers between GDB, inferiors and core files. */
|
||||
|
||||
/* Fill GDB's register array with the general-purpose register values
|
||||
in *GREGSETP. */
|
||||
|
||||
void
|
||||
supply_gregset (gregset_t *gregsetp)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < X86_64_NUM_GREGS; i++)
|
||||
{
|
||||
if (reg_offset[i] == -1)
|
||||
supply_register (i, NULL);
|
||||
else
|
||||
supply_register (i, REG_ADDR (gregsetp, i));
|
||||
}
|
||||
}
|
||||
|
||||
/* Fill register REGNO (if it is a general-purpose register) in
|
||||
*GREGSETPS with the value in GDB's register array. If REGNO is -1,
|
||||
do this for all registers. */
|
||||
|
||||
void
|
||||
fill_gregset (gregset_t *gregsetp, int regno)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < X86_64_NUM_GREGS; i++)
|
||||
if ((regno == -1 || regno == i) && reg_offset[i] != -1)
|
||||
regcache_collect (i, REG_ADDR (gregsetp, i));
|
||||
}
|
||||
|
||||
/* Fill GDB's register array with the floating-point register values
|
||||
in *FPREGSETP. */
|
||||
|
||||
void
|
||||
supply_fpregset (fpregset_t *fpregsetp)
|
||||
{
|
||||
x86_64_supply_fxsave ((char *) fpregsetp);
|
||||
}
|
||||
|
||||
/* Fill register REGNO (if it is a floating-point register) in
|
||||
*FPREGSETP with the value in GDB's register array. If REGNO is -1,
|
||||
do this for all registers. */
|
||||
|
||||
void
|
||||
fill_fpregset (fpregset_t *fpregsetp, int regno)
|
||||
{
|
||||
x86_64_fill_fxsave ((char *) fpregsetp, regno);
|
||||
}
|
||||
|
||||
/* Fetch register REGNO from the inferior. If REGNO is -1, do this
|
||||
for all registers (including the floating point registers). */
|
||||
|
||||
void
|
||||
fetch_inferior_registers (int regno)
|
||||
{
|
||||
if (regno == -1 || GETREGS_SUPPLIES (regno))
|
||||
{
|
||||
gregset_t gregs;
|
||||
|
||||
if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
|
||||
(PTRACE_ARG3_TYPE) &gregs, 0) == -1)
|
||||
perror_with_name ("Couldn't get registers");
|
||||
|
||||
supply_gregset (&gregs);
|
||||
if (regno != -1)
|
||||
return;
|
||||
}
|
||||
|
||||
if (regno == -1 || regno >= FP0_REGNUM)
|
||||
{
|
||||
fpregset_t fpregs;
|
||||
|
||||
if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
|
||||
(PTRACE_ARG3_TYPE) &fpregs, 0) == -1)
|
||||
perror_with_name ("Couldn't get floating point status");
|
||||
|
||||
supply_fpregset (&fpregs);
|
||||
}
|
||||
}
|
||||
|
||||
/* Store register REGNO back into the inferior. If REGNO is -1, do
|
||||
this for all registers (including the floating point registers). */
|
||||
|
||||
void
|
||||
store_inferior_registers (int regno)
|
||||
{
|
||||
if (regno == -1 || GETREGS_SUPPLIES (regno))
|
||||
{
|
||||
gregset_t gregs;
|
||||
|
||||
if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
|
||||
(PTRACE_ARG3_TYPE) &gregs, 0) == -1)
|
||||
perror_with_name ("Couldn't get registers");
|
||||
|
||||
fill_gregset (&gregs, regno);
|
||||
|
||||
if (ptrace (PT_SETREGS, PIDGET (inferior_ptid),
|
||||
(PTRACE_ARG3_TYPE) &gregs, 0) == -1)
|
||||
perror_with_name ("Couldn't write registers");
|
||||
|
||||
if (regno != -1)
|
||||
return;
|
||||
}
|
||||
|
||||
if (regno == -1 || regno >= FP0_REGNUM)
|
||||
{
|
||||
fpregset_t fpregs;
|
||||
|
||||
if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
|
||||
(PTRACE_ARG3_TYPE) &fpregs, 0) == -1)
|
||||
perror_with_name ("Couldn't get floating point status");
|
||||
|
||||
fill_fpregset (&fpregs, regno);
|
||||
|
||||
if (ptrace (PT_SETFPREGS, PIDGET (inferior_ptid),
|
||||
(PTRACE_ARG3_TYPE) &fpregs, 0) == -1)
|
||||
perror_with_name ("Couldn't write floating point status");
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/* Provide a prototype to silence -Wmissing-prototypes. */
|
||||
void _initialize_amd64fbsd_nat (void);
|
||||
|
||||
void
|
||||
_initialize_am64fbsd_nat (void)
|
||||
{
|
||||
int offset;
|
||||
|
||||
/* To support the recognition of signal handlers, i386bsd-tdep.c
|
||||
hardcodes some constants. Inclusion of this file means that we
|
||||
are compiling a native debugger, which means that we can use the
|
||||
system header files and sysctl(3) to get at the relevant
|
||||
information. */
|
||||
|
||||
extern int amd64fbsd_sc_reg_offset[];
|
||||
#define SC_REG_OFFSET amd64fbsd_sc_reg_offset
|
||||
|
||||
/* We only check the program counter, stack pointer and frame
|
||||
pointer since these members of `struct sigcontext' are essential
|
||||
for providing backtraces. */
|
||||
|
||||
#define SC_RIP_OFFSET SC_REG_OFFSET[X86_64_RIP_REGNUM]
|
||||
#define SC_RSP_OFFSET SC_REG_OFFSET[X86_64_RSP_REGNUM]
|
||||
#define SC_RBP_OFFSET SC_REG_OFFSET[X86_64_RBP_REGNUM]
|
||||
|
||||
/* Override the default value for the offset of the program counter
|
||||
in the sigcontext structure. */
|
||||
offset = offsetof (struct sigcontext, sc_rip);
|
||||
|
||||
if (SC_RIP_OFFSET != offset)
|
||||
{
|
||||
warning ("\
|
||||
offsetof (struct sigcontext, sc_rip) yields %d instead of %d.\n\
|
||||
Please report this to <bug-gdb@gnu.org>.",
|
||||
offset, SC_RIP_OFFSET);
|
||||
}
|
||||
|
||||
SC_RIP_OFFSET = offset;
|
||||
|
||||
/* Likewise for the stack pointer. */
|
||||
offset = offsetof (struct sigcontext, sc_rsp);
|
||||
|
||||
if (SC_RSP_OFFSET != offset)
|
||||
{
|
||||
warning ("\
|
||||
offsetof (struct sigcontext, sc_rsp) yields %d instead of %d.\n\
|
||||
Please report this to <bug-gdb@gnu.org>.",
|
||||
offset, SC_RSP_OFFSET);
|
||||
}
|
||||
|
||||
SC_RSP_OFFSET = offset;
|
||||
|
||||
/* And the frame pointer. */
|
||||
offset = offsetof (struct sigcontext, sc_rbp);
|
||||
|
||||
if (SC_RBP_OFFSET != offset)
|
||||
{
|
||||
warning ("\
|
||||
offsetof (struct sigcontext, sc_rbp) yields %d instead of %d.\n\
|
||||
Please report this to <bug-gdb@gnu.org>.",
|
||||
offset, SC_RBP_OFFSET);
|
||||
}
|
||||
|
||||
SC_RBP_OFFSET = offset;
|
||||
|
||||
/* FreeBSD provides a kern.ps_strings sysctl that we can use to
|
||||
locate the sigtramp. That way we can still recognize a sigtramp
|
||||
if its location is changed in a new kernel. Of course this is
|
||||
still based on the assumption that the sigtramp is placed
|
||||
directly under the location where the program arguments and
|
||||
environment can be found. */
|
||||
{
|
||||
int mib[2];
|
||||
int ps_strings;
|
||||
size_t len;
|
||||
|
||||
extern CORE_ADDR amd64fbsd_sigtramp_start;
|
||||
extern CORE_ADDR amd64fbsd_sigtramp_end;
|
||||
|
||||
mib[0] = CTL_KERN;
|
||||
mib[1] = KERN_PS_STRINGS;
|
||||
len = sizeof (ps_strings);
|
||||
if (sysctl (mib, 2, &ps_strings, &len, NULL, 0) == 0)
|
||||
{
|
||||
amd64fbsd_sigtramp_start = ps_strings - 32;
|
||||
amd64fbsd_sigtramp_end = ps_strings;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,108 @@
|
|||
/* Target-dependent code for FreeBSD/amd64.
|
||||
Copyright 2003 Free Software Foundation, 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 2 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, write to the Free Software
|
||||
Foundation, Inc., 59 Temple Place - Suite 330,
|
||||
Boston, MA 02111-1307, USA. */
|
||||
|
||||
#include "defs.h"
|
||||
#include "arch-utils.h"
|
||||
#include "frame.h"
|
||||
#include "gdbcore.h"
|
||||
#include "regcache.h"
|
||||
#include "osabi.h"
|
||||
|
||||
#include "gdb_string.h"
|
||||
|
||||
#include "x86-64-tdep.h"
|
||||
|
||||
/* Support for signal handlers. */
|
||||
|
||||
/* Assuming NEXT_FRAME is for a frame following a BSD sigtramp
|
||||
routine, return the address of the associated sigcontext structure. */
|
||||
|
||||
static CORE_ADDR
|
||||
amd64fbsd_sigcontext_addr (struct frame_info *next_frame)
|
||||
{
|
||||
char buf[8];
|
||||
CORE_ADDR sp;
|
||||
|
||||
frame_unwind_register (next_frame, X86_64_RSP_REGNUM, buf);
|
||||
sp = extract_unsigned_integer (buf, 8);
|
||||
|
||||
return read_memory_unsigned_integer (sp + 16, 8);
|
||||
}
|
||||
|
||||
/* FreeBSD 5.1-RELEASE or later. */
|
||||
|
||||
/* Location of the signal trampoline. */
|
||||
CORE_ADDR amd64fbsd_sigtramp_start = 0x7fffffffc0;
|
||||
CORE_ADDR amd64fbsd_sigtramp_end = 0x7fffffffe0;
|
||||
|
||||
/* From <machine/signal.h>. */
|
||||
int amd64fbsd_sc_reg_offset[X86_64_NUM_GREGS] =
|
||||
{
|
||||
24 + 14 * 8, /* %rax */
|
||||
24 + 11 * 8, /* %rbx */
|
||||
24 + 13 * 8, /* %rcx */
|
||||
24 + 12 * 8, /* %rdx */
|
||||
24 + 9 * 8, /* %rsi */
|
||||
24 + 8 * 8, /* %rdi */
|
||||
24 + 10 * 8, /* %rbp */
|
||||
24 + 20 * 8, /* %rsp */
|
||||
24 + 7 * 8, /* %r8 */
|
||||
24 + 6 * 8, /* %r9 */
|
||||
24 + 5 * 8, /* %r10 */
|
||||
24 + 4 * 8, /* %r11 */
|
||||
24 + 3 * 8, /* %r12 */
|
||||
24 + 2 * 8, /* %r13 */
|
||||
24 + 1 * 8, /* %r14 */
|
||||
24 + 0 * 8, /* %r15 */
|
||||
24 + 17 * 8, /* %rip */
|
||||
24 + 19 * 8, /* %eflags */
|
||||
-1, /* %ds */
|
||||
-1, /* %es */
|
||||
-1, /* %fs */
|
||||
-1 /* %gs */
|
||||
};
|
||||
|
||||
void
|
||||
amd64fbsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
|
||||
{
|
||||
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
|
||||
|
||||
/* Obviously FreeBSD is BSD-based. */
|
||||
i386bsd_init_abi (info, gdbarch);
|
||||
|
||||
x86_64_init_abi (info, gdbarch);
|
||||
|
||||
tdep->sigtramp_start = amd64fbsd_sigtramp_start;
|
||||
tdep->sigtramp_end = amd64fbsd_sigtramp_start;
|
||||
tdep->sigcontext_addr = amd64fbsd_sigcontext_addr;
|
||||
tdep->sc_reg_offset = amd64fbsd_sc_reg_offset;
|
||||
tdep->sc_num_regs = X86_64_NUM_GREGS;
|
||||
}
|
||||
|
||||
|
||||
/* Provide a prototype to silence -Wmissing-prototypes. */
|
||||
void _initialize_amd64fbsd_tdep (void);
|
||||
|
||||
void
|
||||
_initialize_amd64fbsd_tdep (void)
|
||||
{
|
||||
gdbarch_register_osabi (bfd_arch_i386, bfd_mach_x86_64,
|
||||
GDB_OSABI_FREEBSD_ELF, amd64fbsd_init_abi);
|
||||
}
|
||||
|
|
@ -0,0 +1,7 @@
|
|||
# Host: FreeBSD/amd64
|
||||
|
||||
XM_FILE= xm-i386.h
|
||||
|
||||
NAT_FILE= nm-fbsd64.h
|
||||
# NOTE: Do not spread NATDEPFILES over several lines - it hurts BSD make.
|
||||
NATDEPFILES= fork-child.o infptrace.o inftarg.o solib.o solib-svr4.o solib-legacy.o corelow.o core-regset.o amd64fbsd-nat.o gcore.o fbsd-proc.o
|
||||
|
|
@ -0,0 +1,2 @@
|
|||
# Target: FreeBSD/amd64
|
||||
TDEPFILES= x86-64-tdep.o amd64fbsd-tdep.o i386-tdep.o i387-tdep.o i386bsd-tdep.o
|
||||
|
|
@ -0,0 +1,42 @@
|
|||
/* Native-dependent definitions for FreeBSD/amd64.
|
||||
Copyright 2003
|
||||
Free Software Foundation, 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 2 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, write to the Free Software
|
||||
Foundation, Inc., 59 Temple Place - Suite 330,
|
||||
Boston, MA 02111-1307, USA. */
|
||||
|
||||
#ifndef NM_FBSD64_H
|
||||
#define NM_FBSD64_H
|
||||
|
||||
/* Type of the third argument to the `ptrace' system call. */
|
||||
#define PTRACE_ARG3_TYPE caddr_t
|
||||
|
||||
/* Override copies of {fetch,store}_inferior_registers in `infptrace.c'. */
|
||||
#define FETCH_INFERIOR_REGISTERS
|
||||
|
||||
/* Override child_pid_to_exec_file in 'inftarg.c'. */
|
||||
#define CHILD_PID_TO_EXEC_FILE
|
||||
|
||||
/* We can attach and detach. */
|
||||
#define ATTACH_DETACH
|
||||
|
||||
|
||||
/* Shared library support. */
|
||||
|
||||
#include "solib.h"
|
||||
|
||||
#endif /* nm-fbsd64.h */
|
||||
|
|
@ -151,5 +151,6 @@ vax-*-ultrix2*) gdb_host=vaxult2 ;;
|
|||
vax-*-ultrix*) gdb_host=vaxult ;;
|
||||
|
||||
x86_64-*-linux*) gdb_host=x86-64linux ;;
|
||||
x86_64-*-freebsd*) gdb_host=fbsd64 ;;
|
||||
|
||||
esac
|
||||
|
|
|
|||
|
|
@ -37,6 +37,7 @@ esac
|
|||
|
||||
case "${target}" in
|
||||
|
||||
x86_64-*-freebsd*) gdb_target=fbsd64 ;;
|
||||
*-*-freebsd*) gdb_target=fbsd
|
||||
;;
|
||||
|
||||
|
|
@ -264,6 +265,7 @@ esac
|
|||
|
||||
case "${gdb_target}" in
|
||||
d10v) gdb_multi_arch=yes ;;
|
||||
fbsd64) gdb_multi_arch=yes ;;
|
||||
m68hc11) gdb_multi_arch=yes ;;
|
||||
mn10300) gdb_multi_arch=yes ;;
|
||||
x86-64linux) gdb_multi_arch=yes ;;
|
||||
|
|
|
|||
Loading…
Reference in New Issue