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* sparc64obsd-tdep.c: Include "gdbcore.h", "regcache.h" amd

Browse source 
"bsd-uthread.h".
(SPARC64OBSD_UTHREAD_FP_OFFSET, SPARC64OBSD_UTHREAD_PC_OFFSET):
New defines.
(sparc64obsd_supply_uthread, sparc64obsd_collect_uthread): New
functions.
(sparc64obsd_init_abi): Set supply_uthread and collect_uthread.
* Makefile.in (sparc64obsd-tdep.o): Update dependencies.
This commit is contained in:
Mark Kettenis 2005-12-27 22:14:42 +00:00
parent 79ffea3ba3
commit 585e38edb9
3 changed files with 104 additions and 4 deletions
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9
gdb/ChangeLog
View file

@ -1,5 +1,14 @@
2005-12-27 Mark Kettenis <kettenis@gnu.org>
* sparc64obsd-tdep.c: Include "gdbcore.h", "regcache.h" amd
"bsd-uthread.h".
(SPARC64OBSD_UTHREAD_FP_OFFSET, SPARC64OBSD_UTHREAD_PC_OFFSET):
New defines.
(sparc64obsd_supply_uthread, sparc64obsd_collect_uthread): New
functions.
(sparc64obsd_init_abi): Set supply_uthread and collect_uthread.
* Makefile.in (sparc64obsd-tdep.o): Update dependencies.
* sparcobsd-tdep.c: Include "gdbcore.h", "regcache.h" and
"bsd-uthread.h".
(SPARC32OBSD_UTHREAD_FP_OFFSET, SPARC32OBSD_UTHREAD_PC_OFFSET):

6
gdb/Makefile.in
View file

@ -2604,9 +2604,9 @@ sparc64nbsd-tdep.o: sparc64nbsd-tdep.c $(defs_h) $(frame_h) \
$(symtab_h) $(objfiles_h) $(solib_svr4_h) $(trad_frame_h) \
$(gdb_assert_h) $(gdb_string_h) $(sparc64_tdep_h) $(nbsd_tdep_h)
sparc64obsd-tdep.o: sparc64obsd-tdep.c $(defs_h) $(frame_h) \
$(frame_unwind_h) $(osabi_h) $(regset_h) $(symtab_h) $(objfiles_h) \
$(solib_svr4_h) $(trad_frame_h) $(gdb_assert_h) $(obsd_tdep_h) \
$(sparc64_tdep_h)
$(frame_unwind_h) $(gdbcore_h) $(osabi_h) $(regcache_h) $(regset_h) \
$(symtab_h) $(objfiles_h) $(trad_frame_h) $(gdb_assert_h) \
$(obsd_tdep_h) $(sparc64_tdep_h) $(solib_svr4_h) $(bsd_uthread_h)
sparc64-sol2-tdep.o: sparc64-sol2-tdep.c $(defs_h) $(frame_h) \
$(frame_unwind_h) $(gdbarch_h) $(symtab_h) $(objfiles_h) $(osabi_h) \
$(trad_frame_h) $(gdb_assert_h) $(sparc64_tdep_h) $(solib_svr4_h)

93
gdb/sparc64obsd-tdep.c
View file

@ -22,17 +22,20 @@
#include "defs.h"
#include "frame.h"
#include "frame-unwind.h"
#include "gdbcore.h"
#include "osabi.h"
#include "regcache.h"
#include "regset.h"
#include "symtab.h"
#include "objfiles.h"
#include "solib-svr4.h"
#include "trad-frame.h"
#include "gdb_assert.h"
#include "obsd-tdep.h"
#include "sparc64-tdep.h"
#include "solib-svr4.h"
#include "bsd-uthread.h"
/* OpenBSD uses the traditional NetBSD core file format, even for
ports that use ELF. The core files don't use multiple register
@ -200,6 +203,90 @@ sparc64obsd_sigtramp_frame_sniffer (struct frame_info *next_frame)
}
/* Threads support. */
/* Offset wthin the thread structure where we can find %fp and %i7. */
#define SPARC64OBSD_UTHREAD_FP_OFFSET 232
#define SPARC64OBSD_UTHREAD_PC_OFFSET 240
static void
sparc64obsd_supply_uthread (struct regcache *regcache,
int regnum, CORE_ADDR addr)
{
CORE_ADDR fp, fp_addr = addr + SPARC64OBSD_UTHREAD_FP_OFFSET;
gdb_byte buf[8];
gdb_assert (regnum >= -1);
fp = read_memory_unsigned_integer (fp_addr, 8);
if (regnum == SPARC_SP_REGNUM || regnum == -1)
{
store_unsigned_integer (buf, 8, fp);
regcache_raw_supply (regcache, SPARC_SP_REGNUM, buf);
if (regnum == SPARC_SP_REGNUM)
return;
}
if (regnum == SPARC64_PC_REGNUM || regnum == SPARC64_NPC_REGNUM
|| regnum == -1)
{
CORE_ADDR i7, i7_addr = addr + SPARC64OBSD_UTHREAD_PC_OFFSET;
i7 = read_memory_unsigned_integer (i7_addr, 8);
if (regnum == SPARC64_PC_REGNUM || regnum == -1)
{
store_unsigned_integer (buf, 8, i7 + 8);
regcache_raw_supply (regcache, SPARC64_PC_REGNUM, buf);
}
if (regnum == SPARC64_NPC_REGNUM || regnum == -1)
{
store_unsigned_integer (buf, 8, i7 + 12);
regcache_raw_supply (regcache, SPARC64_NPC_REGNUM, buf);
}
if (regnum == SPARC64_PC_REGNUM || regnum == SPARC64_NPC_REGNUM)
return;
}
sparc_supply_rwindow (regcache, fp, regnum);
}
static void
sparc64obsd_collect_uthread(const struct regcache *regcache,
int regnum, CORE_ADDR addr)
{
CORE_ADDR sp;
gdb_byte buf[8];
gdb_assert (regnum >= -1);
if (regnum == SPARC_SP_REGNUM || regnum == -1)
{
CORE_ADDR fp_addr = addr + SPARC64OBSD_UTHREAD_FP_OFFSET;
regcache_raw_collect (regcache, SPARC_SP_REGNUM, buf);
write_memory (fp_addr,buf, 8);
}
if (regnum == SPARC64_PC_REGNUM || regnum == -1)
{
CORE_ADDR i7, i7_addr = addr + SPARC64OBSD_UTHREAD_PC_OFFSET;
regcache_raw_collect (regcache, SPARC64_PC_REGNUM, buf);
i7 = extract_unsigned_integer (buf, 8) - 8;
write_memory_unsigned_integer (i7_addr, 8, i7);
if (regnum == SPARC64_PC_REGNUM)
return;
}
regcache_raw_collect (regcache, SPARC_SP_REGNUM, buf);
sp = extract_unsigned_integer (buf, 8);
sparc_collect_rwindow (regcache, sp, regnum);
}
static void
sparc64obsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
@ -216,6 +303,10 @@ sparc64obsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_lp64_fetch_link_map_offsets);
set_gdbarch_skip_solib_resolver (gdbarch, obsd_skip_solib_resolver);
/* OpenBSD provides a user-level threads implementation. */
bsd_uthread_set_supply_uthread (gdbarch, sparc64obsd_supply_uthread);
bsd_uthread_set_collect_uthread (gdbarch, sparc64obsd_collect_uthread);
}