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* i386fbsd-tdep.c: Update copyright year. Include "gdbcore.h", 

"regcache.h", "gdb_assert.h" and "bsd-uthread.h".
(i386fbsd_jmp_buf_reg_offset): New variable.
(i386fbsd_supply_uthread, i386fbsd_collect_uthread): New
functions.
(i386fbsdaout_init_abi): Set supply_uthread and collect_uthread.
* Makefile.in (i386fbsd-tdep.o): Update dependency.
* config/i386/fbsd.mt (TDEPFILES): Add bsd-uthread.o.
This commit is contained in:
Mark Kettenis 2005-01-12 21:54:13 +00:00
parent 82f5c14f4f
commit fa565c2b2d
4 changed files with 83 additions and 5 deletions
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9
gdb/ChangeLog
View File

@ -1,5 +1,14 @@
2005-01-12 Mark Kettenis <kettenis@gnu.org>
* i386fbsd-tdep.c: Update copyright year. Include "gdbcore.h",
"regcache.h", "gdb_assert.h" and "bsd-uthread.h".
(i386fbsd_jmp_buf_reg_offset): New variable.
(i386fbsd_supply_uthread, i386fbsd_collect_uthread): New
functions.
(i386fbsdaout_init_abi): Set supply_uthread and collect_uthread.
* Makefile.in (i386fbsd-tdep.o): Update dependency.
* config/i386/fbsd.mt (TDEPFILES): Add bsd-uthread.o.
* bsd-uthread.h: New file.
* bsd-uthread.c: New file.
* Makefile.in (bsd_uthread_h): New variable.

12
gdb/Makefile.in
View File

@ -641,6 +641,7 @@ bfd_target_h = bfd-target.h
block_h = block.h
breakpoint_h = breakpoint.h $(frame_h) $(value_h) $(gdb_events_h)
bsd_kvm_h = bsd-kvm.h
bsd_uthread_h = bsd-uthread.h
buildsym_h = buildsym.h
call_cmds_h = call-cmds.h
charset_h = charset.h
@ -1367,7 +1368,7 @@ ALLDEPFILES = \
arm-linux-nat.c arm-linux-tdep.c arm-tdep.c \
armnbsd-nat.c armnbsd-tdep.c \
avr-tdep.c \
bsd-kvm.c \
bsd-uthread.c bsd-kvm.c \
coff-solib.c \
core-regset.c core-aout.c corelow.c \
dcache.c exec.c \
@ -1757,6 +1758,10 @@ breakpoint.o: breakpoint.c $(defs_h) $(symtab_h) $(frame_h) $(breakpoint_h) \
$(objfiles_h) $(source_h) $(linespec_h) $(completer_h) $(gdb_h) \
$(ui_out_h) $(cli_script_h) $(gdb_assert_h) $(block_h) $(solist_h) \
$(observer_h) $(exceptions_h) $(gdb_events_h)
bsd-uthread.o: bsd-uthread.c $(defs_h) $(gdb_core_h) $(gdbthread_h) \
$(inferior_h) $(objfiles_h) $(observer_h) $(regcache_h) \
$(solist_h) $(symfile_h) $(target_h) $(gdb_assert_h) \
$(gdb_obstack_h) $(bsd_uthread_h)
bsd-kvm.o: bsd-kvm.c $(defs_h) $(cli_cmds_h) $(command_h) $(frame_h) \
$(regcache_h) $(target_h) $(value_h) $(gdbcore_h) $(gdb_assert_h) \
$(readline_h) $(bsd_kvm_h)
@ -2008,8 +2013,9 @@ i386-cygwin-tdep.o: i386-cygwin-tdep.c $(defs_h) $(osabi_h) $(gdb_string_h) \
i386fbsd-nat.o: i386fbsd-nat.c $(defs_h) $(inferior_h) $(regcache_h) \
$(target_h) $(fbsd_nat_h) $(i386_tdep_h) $(i386bsd_nat_h) \
$(bsd_kvm_h)
i386fbsd-tdep.o: i386fbsd-tdep.c $(defs_h) $(arch_utils_h) $(osabi_h) \
$(i386_tdep_h) $(i387_tdep_h) $(solib_svr4_h)
i386fbsd-tdep.o: i386fbsd-tdep.c $(defs_h) $(arch_utils_h) $(gdbcore_h) \
$(osabi_h) $(regcache_h) $(gdb_assert_h) $(i386_tdep_h) \
$(i387_tdep_h) $(bsd_uthread_h) $(solib_svr4_h)
i386gnu-nat.o: i386gnu-nat.c $(defs_h) $(inferior_h) $(floatformat_h) \
$(regcache_h) $(gdb_assert_h) $(gdb_string_h) $(i386_tdep_h) \
$(gnu_nat_h) $(i387_tdep_h) $(gregset_h)

2
gdb/config/i386/fbsd.mt
View File

@ -1,4 +1,4 @@
# Target: FreeBSD/i386
TDEPFILES= i386-tdep.o i387-tdep.o i386bsd-tdep.o i386fbsd-tdep.o \
corelow.o solib.o solib-svr4.o
bsd-uthread.o corelow.o solib.o solib-svr4.o
DEPRECATED_TM_FILE= solib.h

65
gdb/i386fbsd-tdep.c
View File

@ -1,6 +1,6 @@
/* Target-dependent code for FreeBSD/i386.
Copyright 2003, 2004 Free Software Foundation, Inc.
Copyright 2003, 2004, 2005 Free Software Foundation, Inc.
This file is part of GDB.
@ -21,10 +21,15 @@
#include "defs.h"
#include "arch-utils.h"
#include "gdbcore.h"
#include "osabi.h"
#include "regcache.h"
#include "gdb_assert.h"
#include "i386-tdep.h"
#include "i387-tdep.h"
#include "bsd-uthread.h"
#include "solib-svr4.h"
/* FreeBSD 3.0-RELEASE or later. */
@ -65,6 +70,60 @@ static int i386fbsd_sc_reg_offset[] =
8 + 16 * 4 /* %gs */
};
/* From /usr/src/lib/libc/i386/_setjmp.S. */
static int i386fbsd_jmp_buf_reg_offset[] =
{
-1, /* %eax */
-1, /* %ecx */
-1, /* %edx */
1 * 4, /* %ebx */
2 * 4, /* %esp */
3 * 4, /* %ebp */
4 * 4, /* %esi */
5 * 4, /* %edi */
0 * 4 /* %eip */
};
static void
i386fbsd_supply_uthread (struct regcache *regcache,
int regnum, CORE_ADDR addr)
{
char buf[4];
int i;
gdb_assert (regnum >= -1);
for (i = 0; i < ARRAY_SIZE (i386fbsd_jmp_buf_reg_offset); i++)
{
if (i386fbsd_jmp_buf_reg_offset[i] != -1
&& (regnum == -1 || regnum == i))
{
read_memory (addr + i386fbsd_jmp_buf_reg_offset[i], buf, 4);
regcache_raw_supply (regcache, i, buf);
}
}
}
static void
i386fbsd_collect_uthread (const struct regcache *regcache,
int regnum, CORE_ADDR addr)
{
char buf[4];
int i;
gdb_assert (regnum >= -1);
for (i = 0; i < ARRAY_SIZE (i386fbsd_jmp_buf_reg_offset); i++)
{
if (i386fbsd_jmp_buf_reg_offset[i] != -1
&& (regnum == -1 || regnum == i))
{
regcache_raw_collect (regcache, i, buf);
write_memory (addr + i386fbsd_jmp_buf_reg_offset[i], buf, 4);
}
}
}
static void
i386fbsdaout_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
@ -90,6 +149,10 @@ i386fbsdaout_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
/* FreeBSD has a more complete `struct sigcontext'. */
tdep->sc_reg_offset = i386fbsd_sc_reg_offset;
tdep->sc_num_regs = ARRAY_SIZE (i386fbsd_sc_reg_offset);
/* FreeBSD provides a user-level threads implementation. */
bsd_uthread_set_supply_uthread (gdbarch, i386fbsd_supply_uthread);
bsd_uthread_set_collect_uthread (gdbarch, i386fbsd_collect_uthread);
}
static void