-/* Functions specific to running gdb native on IA-64 running Linux.
- Copyright 1999, 2000, 2001 Free Software Foundation, Inc.
+/* Functions specific to running gdb native on IA-64 running
+ GNU/Linux.
+
+ Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005
+ Free Software Foundation, Inc.
This file is part of GDB.
Boston, MA 02111-1307, USA. */
#include "defs.h"
+#include "gdb_string.h"
#include "inferior.h"
#include "target.h"
#include "gdbcore.h"
#include "regcache.h"
+#include "ia64-tdep.h"
+#include "linux-nat.h"
#include <signal.h>
#include <sys/ptrace.h>
-#include <sys/wait.h>
+#include "gdb_wait.h"
#ifdef HAVE_SYS_REG_H
#include <sys/reg.h>
#endif
+#include <sys/syscall.h>
#include <sys/user.h>
#include <asm/ptrace_offsets.h>
CORE_ADDR addr;
if (regno < 0 || regno >= NUM_REGS)
- error ("Invalid register number %d.", regno);
+ error (_("Invalid register number %d."), regno);
if (u_offsets[regno] == -1)
addr = 0;
to be changed by (roughly) N as well. (It could be N-1 or N+1
depending upon where the NaT collection bits fall.)
- OTOH, the linux kernel provides read/write access to bsp (and
+ OTOH, the Linux kernel provides read/write access to bsp (and
currently read/write access to bspstore as well). But it
is definitely the case that if you change one, the other
will change at the same time. It is more useful to gdb to
for (regi = IA64_GR0_REGNUM; regi <= IA64_GR31_REGNUM; regi++)
{
- supply_register (regi, (char *) (regp + (regi - IA64_GR0_REGNUM)));
+ regcache_raw_supply (current_regcache, regi,
+ (char *) (regp + (regi - IA64_GR0_REGNUM)));
}
/* FIXME: NAT collection bits are at index 32; gotta deal with these
somehow... */
- supply_register (IA64_PR_REGNUM, (char *) (regp + 33));
+ regcache_raw_supply (current_regcache, IA64_PR_REGNUM, (char *) (regp + 33));
for (regi = IA64_BR0_REGNUM; regi <= IA64_BR7_REGNUM; regi++)
{
- supply_register (regi, (char *) (regp + 34 + (regi - IA64_BR0_REGNUM)));
+ regcache_raw_supply (current_regcache, regi,
+ (char *) (regp + 34 + (regi - IA64_BR0_REGNUM)));
}
- supply_register (IA64_IP_REGNUM, (char *) (regp + 42));
- supply_register (IA64_CFM_REGNUM, (char *) (regp + 43));
- supply_register (IA64_PSR_REGNUM, (char *) (regp + 44));
- supply_register (IA64_RSC_REGNUM, (char *) (regp + 45));
- supply_register (IA64_BSP_REGNUM, (char *) (regp + 46));
- supply_register (IA64_BSPSTORE_REGNUM, (char *) (regp + 47));
- supply_register (IA64_RNAT_REGNUM, (char *) (regp + 48));
- supply_register (IA64_CCV_REGNUM, (char *) (regp + 49));
- supply_register (IA64_UNAT_REGNUM, (char *) (regp + 50));
- supply_register (IA64_FPSR_REGNUM, (char *) (regp + 51));
- supply_register (IA64_PFS_REGNUM, (char *) (regp + 52));
- supply_register (IA64_LC_REGNUM, (char *) (regp + 53));
- supply_register (IA64_EC_REGNUM, (char *) (regp + 54));
+ regcache_raw_supply (current_regcache, IA64_IP_REGNUM,
+ (char *) (regp + 42));
+ regcache_raw_supply (current_regcache, IA64_CFM_REGNUM,
+ (char *) (regp + 43));
+ regcache_raw_supply (current_regcache, IA64_PSR_REGNUM,
+ (char *) (regp + 44));
+ regcache_raw_supply (current_regcache, IA64_RSC_REGNUM,
+ (char *) (regp + 45));
+ regcache_raw_supply (current_regcache, IA64_BSP_REGNUM,
+ (char *) (regp + 46));
+ regcache_raw_supply (current_regcache, IA64_BSPSTORE_REGNUM,
+ (char *) (regp + 47));
+ regcache_raw_supply (current_regcache, IA64_RNAT_REGNUM,
+ (char *) (regp + 48));
+ regcache_raw_supply (current_regcache, IA64_CCV_REGNUM,
+ (char *) (regp + 49));
+ regcache_raw_supply (current_regcache, IA64_UNAT_REGNUM,
+ (char *) (regp + 50));
+ regcache_raw_supply (current_regcache, IA64_FPSR_REGNUM,
+ (char *) (regp + 51));
+ regcache_raw_supply (current_regcache, IA64_PFS_REGNUM,
+ (char *) (regp + 52));
+ regcache_raw_supply (current_regcache, IA64_LC_REGNUM,
+ (char *) (regp + 53));
+ regcache_raw_supply (current_regcache, IA64_EC_REGNUM,
+ (char *) (regp + 54));
}
void
#define COPY_REG(_idx_,_regi_) \
if ((regno == -1) || regno == _regi_) \
- memcpy (regp + _idx_, ®isters[REGISTER_BYTE (_regi_)], \
- REGISTER_RAW_SIZE (_regi_))
+ regcache_raw_collect (current_regcache, _regi_, regp + _idx_)
for (regi = IA64_GR0_REGNUM; regi <= IA64_GR31_REGNUM; regi++)
{
void
supply_fpregset (fpregset_t *fpregsetp)
{
- register int regi;
+ int regi;
char *from;
for (regi = IA64_FR0_REGNUM; regi <= IA64_FR127_REGNUM; regi++)
{
from = (char *) &((*fpregsetp)[regi - IA64_FR0_REGNUM]);
- supply_register (regi, from);
+ regcache_raw_supply (current_regcache, regi, from);
}
}
fill_fpregset (fpregset_t *fpregsetp, int regno)
{
int regi;
- char *to;
- char *from;
for (regi = IA64_FR0_REGNUM; regi <= IA64_FR127_REGNUM; regi++)
{
if ((regno == -1) || (regno == regi))
- {
- from = (char *) ®isters[REGISTER_BYTE (regi)];
- to = (char *) &((*fpregsetp)[regi - IA64_FR0_REGNUM]);
- memcpy (to, from, REGISTER_RAW_SIZE (regi));
- }
+ regcache_raw_collect (current_regcache, regi,
+ &((*fpregsetp)[regi - IA64_FR0_REGNUM]));
}
}
if (tid == 0)
tid = PIDGET (ptid);
- val = ptrace (PT_READ_U, tid, (PTRACE_ARG3_TYPE) (PT_DBR + 8 * idx), 0);
+ val = ptrace (PT_READ_U, tid, (PTRACE_TYPE_ARG3) (PT_DBR + 8 * idx), 0);
return val;
}
if (tid == 0)
tid = PIDGET (ptid);
- (void) ptrace (PT_WRITE_U, tid, (PTRACE_ARG3_TYPE) (PT_DBR + 8 * idx), val);
+ (void) ptrace (PT_WRITE_U, tid, (PTRACE_TYPE_ARG3) (PT_DBR + 8 * idx), val);
}
static void
return -1;
}
-CORE_ADDR
-ia64_linux_stopped_by_watchpoint (ptid_t ptid)
+int
+ia64_linux_stopped_data_address (CORE_ADDR *addr_p)
{
CORE_ADDR psr;
int tid;
struct siginfo siginfo;
+ ptid_t ptid = inferior_ptid;
tid = TIDGET(ptid);
if (tid == 0)
tid = PIDGET (ptid);
errno = 0;
- ptrace (PTRACE_GETSIGINFO, tid, (PTRACE_ARG3_TYPE) 0, &siginfo);
+ ptrace (PTRACE_GETSIGINFO, tid, (PTRACE_TYPE_ARG3) 0, &siginfo);
- if (errno != 0 || (siginfo.si_code & 0xffff) != 0x0004 /* TRAP_HWBKPT */)
+ if (errno != 0 || siginfo.si_signo != SIGTRAP ||
+ (siginfo.si_code & 0xffff) != 0x0004 /* TRAP_HWBKPT */)
return 0;
psr = read_register_pid (IA64_PSR_REGNUM, ptid);
for the next instruction */
write_register_pid (IA64_PSR_REGNUM, psr, ptid);
- return (CORE_ADDR) siginfo.si_addr;
+ *addr_p = (CORE_ADDR)siginfo.si_addr;
+ return 1;
+}
+
+int
+ia64_linux_stopped_by_watchpoint (void)
+{
+ CORE_ADDR addr;
+ return ia64_linux_stopped_data_address (&addr);
+}
+
+static LONGEST (*super_xfer_partial) (struct target_ops *, enum target_object,
+ const char *, gdb_byte *, const gdb_byte *,
+ ULONGEST, LONGEST);
+
+static LONGEST
+ia64_linux_xfer_partial (struct target_ops *ops,
+ enum target_object object,
+ const char *annex,
+ gdb_byte *readbuf, const gdb_byte *writebuf,
+ ULONGEST offset, LONGEST len)
+{
+ if (object == TARGET_OBJECT_UNWIND_TABLE && writebuf == NULL && offset == 0)
+ return syscall (__NR_getunwind, readbuf, len);
+
+ return super_xfer_partial (ops, object, annex, readbuf, writebuf,
+ offset, len);
+}
+
+void _initialize_ia64_linux_nat (void);
+
+void
+_initialize_ia64_linux_nat (void)
+{
+ struct target_ops *t = linux_target ();
+
+ /* Fill in the generic GNU/Linux methods. */
+ t = linux_target ();
+
+ /* Override the default to_xfer_partial. */
+ super_xfer_partial = t->to_xfer_partial;
+ t->to_xfer_partial = ia64_linux_xfer_partial;
+
+ /* Register the target. */
+ add_target (t);
}
projects / deliverable / binutils-gdb.git / blobdiff