/* Native-dependent code for LynxOS.
- Copyright 1993, 1994 Free Software Foundation, Inc.
+ Copyright 1993, 1994, 1995, 1996, 1999, 2000, 2001
+ Free Software Foundation, Inc.
This file is part of GDB.
#include "inferior.h"
#include "target.h"
#include "gdbcore.h"
+#include "regcache.h"
#include <sys/ptrace.h>
#include <sys/wait.h>
#include <sys/fpp.h>
-static unsigned long registers_addr PARAMS ((int pid));
-static void fetch_core_registers PARAMS ((char *, unsigned, int, CORE_ADDR));
+static unsigned long registers_addr (int pid);
+static void fetch_core_registers (char *, unsigned, int, CORE_ADDR);
#define X(ENTRY)(offsetof(struct econtext, ENTRY))
It also handles knows where to find the I & L regs on the stack. */
void
-fetch_inferior_registers (regno)
- int regno;
+fetch_inferior_registers (int regno)
{
int whatregs = 0;
int i;
errno = 0;
- retval = ptrace (PTRACE_GETREGS, inferior_pid, (PTRACE_ARG3_TYPE) & ec,
- 0);
+ retval = ptrace (PTRACE_GETREGS, PIDGET (inferior_ptid),
+ (PTRACE_ARG3_TYPE) & ec, 0);
if (errno)
perror_with_name ("ptrace(PTRACE_GETREGS)");
memcpy (®isters[REGISTER_BYTE (G1_REGNUM)], &ec.g1,
4 * REGISTER_RAW_SIZE (G1_REGNUM));
for (i = G1_REGNUM; i <= G1_REGNUM + 3; i++)
- register_valid[i] = 1;
+ deprecated_register_valid[i] = 1;
supply_register (PS_REGNUM, (char *) &ec.psr);
supply_register (Y_REGNUM, (char *) &ec.y);
memcpy (®isters[REGISTER_BYTE (O0_REGNUM)], ec.o,
8 * REGISTER_RAW_SIZE (O0_REGNUM));
for (i = O0_REGNUM; i <= O0_REGNUM + 7; i++)
- register_valid[i] = 1;
+ deprecated_register_valid[i] = 1;
}
if (whatregs & WHATREGS_STACK)
sp = read_register (SP_REGNUM);
- target_xfer_memory (sp + FRAME_SAVED_I0,
+ target_read_memory (sp + FRAME_SAVED_I0,
®isters[REGISTER_BYTE (I0_REGNUM)],
- 8 * REGISTER_RAW_SIZE (I0_REGNUM), 0);
+ 8 * REGISTER_RAW_SIZE (I0_REGNUM));
for (i = I0_REGNUM; i <= I7_REGNUM; i++)
- register_valid[i] = 1;
+ deprecated_register_valid[i] = 1;
- target_xfer_memory (sp + FRAME_SAVED_L0,
+ target_read_memory (sp + FRAME_SAVED_L0,
®isters[REGISTER_BYTE (L0_REGNUM)],
- 8 * REGISTER_RAW_SIZE (L0_REGNUM), 0);
+ 8 * REGISTER_RAW_SIZE (L0_REGNUM));
for (i = L0_REGNUM; i <= L0_REGNUM + 7; i++)
- register_valid[i] = 1;
+ deprecated_register_valid[i] = 1;
}
if (whatregs & WHATREGS_FLOAT)
int i;
errno = 0;
- retval = ptrace (PTRACE_GETFPREGS, inferior_pid, (PTRACE_ARG3_TYPE) & fc,
- 0);
+ retval = ptrace (PTRACE_GETFPREGS, PIDGET (inferior_ptid),
+ (PTRACE_ARG3_TYPE) & fc, 0);
if (errno)
perror_with_name ("ptrace(PTRACE_GETFPREGS)");
memcpy (®isters[REGISTER_BYTE (FP0_REGNUM)], fc.f.fregs,
32 * REGISTER_RAW_SIZE (FP0_REGNUM));
for (i = FP0_REGNUM; i <= FP0_REGNUM + 31; i++)
- register_valid[i] = 1;
+ deprecated_register_valid[i] = 1;
supply_register (FPS_REGNUM, (char *) &fc.fsr);
}
this point. */
void
-store_inferior_registers (regno)
- int regno;
+store_inferior_registers (int regno)
{
int whatregs = 0;
8 * REGISTER_RAW_SIZE (O0_REGNUM));
errno = 0;
- retval = ptrace (PTRACE_SETREGS, inferior_pid, (PTRACE_ARG3_TYPE) & ec,
- 0);
+ retval = ptrace (PTRACE_SETREGS, PIDGET (inferior_ptid),
+ (PTRACE_ARG3_TYPE) & ec, 0);
if (errno)
perror_with_name ("ptrace(PTRACE_SETREGS)");
}
if (regno == -1 || regno == SP_REGNUM)
{
- if (!register_valid[L0_REGNUM + 5])
- abort ();
- target_xfer_memory (sp + FRAME_SAVED_I0,
+ if (!deprecated_register_valid[L0_REGNUM + 5])
+ internal_error (__FILE__, __LINE__, "failed internal consistency check");
+ target_write_memory (sp + FRAME_SAVED_I0,
®isters[REGISTER_BYTE (I0_REGNUM)],
- 8 * REGISTER_RAW_SIZE (I0_REGNUM), 1);
+ 8 * REGISTER_RAW_SIZE (I0_REGNUM));
- target_xfer_memory (sp + FRAME_SAVED_L0,
+ target_write_memory (sp + FRAME_SAVED_L0,
®isters[REGISTER_BYTE (L0_REGNUM)],
- 8 * REGISTER_RAW_SIZE (L0_REGNUM), 1);
+ 8 * REGISTER_RAW_SIZE (L0_REGNUM));
}
else if (regno >= L0_REGNUM && regno <= I7_REGNUM)
{
- if (!register_valid[regno])
- abort ();
+ if (!deprecated_register_valid[regno])
+ internal_error (__FILE__, __LINE__, "failed internal consistency check");
if (regno >= L0_REGNUM && regno <= L0_REGNUM + 7)
regoffset = REGISTER_BYTE (regno) - REGISTER_BYTE (L0_REGNUM)
+ FRAME_SAVED_L0;
else
regoffset = REGISTER_BYTE (regno) - REGISTER_BYTE (I0_REGNUM)
+ FRAME_SAVED_I0;
- target_xfer_memory (sp + regoffset, ®isters[REGISTER_BYTE (regno)],
- REGISTER_RAW_SIZE (regno), 1);
+ target_write_memory (sp + regoffset,
+ ®isters[REGISTER_BYTE (regno)],
+ REGISTER_RAW_SIZE (regno));
}
}
/* We read fcontext first so that we can get good values for fq_t... */
errno = 0;
- retval = ptrace (PTRACE_GETFPREGS, inferior_pid, (PTRACE_ARG3_TYPE) & fc,
- 0);
+ retval = ptrace (PTRACE_GETFPREGS, PIDGET (inferior_ptid),
+ (PTRACE_ARG3_TYPE) & fc, 0);
if (errno)
perror_with_name ("ptrace(PTRACE_GETFPREGS)");
fc.fsr = read_register (FPS_REGNUM);
errno = 0;
- retval = ptrace (PTRACE_SETFPREGS, inferior_pid, (PTRACE_ARG3_TYPE) & fc,
- 0);
+ retval = ptrace (PTRACE_SETFPREGS, PIDGET (inferior_ptid),
+ (PTRACE_ARG3_TYPE) & fc, 0);
if (errno)
perror_with_name ("ptrace(PTRACE_SETFPREGS)");
}
saved context block. */
static unsigned long
-registers_addr (pid)
- int pid;
+registers_addr (int pid)
{
CORE_ADDR stblock;
int ecpoff = offsetof (st_t, ecp);
marking them as valid so we won't fetch them again. */
void
-fetch_inferior_registers (regno)
- int regno;
+fetch_inferior_registers (int regno)
{
int reglo, reghi;
int i;
else
reglo = reghi = regno;
- ecp = registers_addr (inferior_pid);
+ ecp = registers_addr (PIDGET (inferior_ptid));
for (regno = reglo; regno <= reghi; regno++)
{
unsigned int reg;
errno = 0;
- reg = ptrace (ptrace_fun, inferior_pid,
+ reg = ptrace (ptrace_fun, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) (ecp + regmap[regno] + i), 0);
if (errno)
perror_with_name ("ptrace(PTRACE_PEEKUSP)");
If REGNO is -1, do this for all registers.
Otherwise, REGNO specifies which register (so we can save time). */
-/* Registers we shouldn't try to store. */
-#if !defined (CANNOT_STORE_REGISTER)
-#define CANNOT_STORE_REGISTER(regno) 0
-#endif
-
void
-store_inferior_registers (regno)
- int regno;
+store_inferior_registers (int regno)
{
int reglo, reghi;
int i;
else
reglo = reghi = regno;
- ecp = registers_addr (inferior_pid);
+ ecp = registers_addr (PIDGET (inferior_ptid));
for (regno = reglo; regno <= reghi; regno++)
{
reg = *(unsigned int *) ®isters[REGISTER_BYTE (regno) + i];
errno = 0;
- ptrace (ptrace_fun, inferior_pid,
+ ptrace (ptrace_fun, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) (ecp + regmap[regno] + i), reg);
if (errno)
perror_with_name ("ptrace(PTRACE_POKEUSP)");
/* Wait for child to do something. Return pid of child, or -1 in case
of error; store status through argument pointer OURSTATUS. */
-int
-child_wait (pid, ourstatus)
- int pid;
- struct target_waitstatus *ourstatus;
+ptid_t
+child_wait (ptid_t ptid, struct target_waitstatus *ourstatus)
{
int save_errno;
int thread;
union wait status;
+ int pid;
while (1)
{
return -1;
}
- if (pid != PIDGET (inferior_pid)) /* Some other process?!? */
+ if (pid != PIDGET (inferior_ptid)) /* Some other process?!? */
continue;
thread = status.w_tid; /* Get thread id from status */
/* Initial thread value can only be acquired via wait, so we have to
resort to this hack. */
- if (TIDGET (inferior_pid) == 0 && thread != 0)
+ if (TIDGET (inferior_ptid) == 0 && thread != 0)
{
- inferior_pid = BUILDPID (inferior_pid, thread);
- add_thread (inferior_pid);
+ inferior_ptid = MERGEPID (PIDGET (inferior_ptid), thread);
+ add_thread (inferior_ptid);
}
- pid = BUILDPID (pid, thread);
+ ptid = BUILDPID (pid, thread);
/* We've become a single threaded process again. */
if (thread == 0)
- inferior_pid = pid;
+ inferior_ptid = ptid;
/* Check for thread creation. */
if (WIFSTOPPED (status)
&& WSTOPSIG (status) == SIGTRAP
- && !in_thread_list (pid))
+ && !in_thread_list (ptid))
{
int realsig;
- realsig = ptrace (PTRACE_GETTRACESIG, pid, (PTRACE_ARG3_TYPE) 0, 0);
+ realsig = ptrace (PTRACE_GETTRACESIG, PIDGET (ptid),
+ (PTRACE_ARG3_TYPE) 0, 0);
if (realsig == SIGNEWTHREAD)
{
realsig -- the code in wait_for_inferior expects SIGTRAP. */
ourstatus->kind = TARGET_WAITKIND_SPURIOUS;
ourstatus->value.sig = TARGET_SIGNAL_0;
- return pid;
+ return ptid;
}
else
error ("Signal for unknown thread was not SIGNEWTHREAD");
/* Check for thread termination. */
else if (WIFSTOPPED (status)
&& WSTOPSIG (status) == SIGTRAP
- && in_thread_list (pid))
+ && in_thread_list (ptid))
{
int realsig;
- realsig = ptrace (PTRACE_GETTRACESIG, pid, (PTRACE_ARG3_TYPE) 0, 0);
+ realsig = ptrace (PTRACE_GETTRACESIG, PIDGET (ptid),
+ (PTRACE_ARG3_TYPE) 0, 0);
if (realsig == SIGTHREADEXIT)
{
- ptrace (PTRACE_CONT, PIDGET (pid), (PTRACE_ARG3_TYPE) 0, 0);
+ ptrace (PTRACE_CONT, PIDGET (ptid), (PTRACE_ARG3_TYPE) 0, 0);
continue;
}
}
store_waitstatus (ourstatus, status.w_status);
#endif
- return pid;
+ return ptid;
}
}
/* Return nonzero if the given thread is still alive. */
int
-child_thread_alive (pid)
- int pid;
+child_thread_alive (ptid_t ptid)
{
+ int pid = PIDGET (ptid);
+
/* Arggh. Apparently pthread_kill only works for threads within
the process that calls pthread_kill.
If SIGNAL is nonzero, give it that signal. */
void
-child_resume (pid, step, signal)
- int pid;
- int step;
- enum target_signal signal;
+child_resume (ptid_t ptid, int step, enum target_signal signal)
{
int func;
+ int pid = PIDGET (ptid);
errno = 0;
we only want to step/continue a single thread. */
if (pid == -1)
{
- pid = inferior_pid;
+ pid = PIDGET (inferior_ptid);
func = step ? PTRACE_SINGLESTEP : PTRACE_CONT;
}
else
buffer. */
char *
-lynx_pid_to_str (pid)
- int pid;
+child_pid_to_str (ptid_t ptid)
{
static char buf[40];
- sprintf (buf, "process %d thread %d", PIDGET (pid), TIDGET (pid));
+ sprintf (buf, "process %d thread %d", PIDGET (ptid), TIDGET (ptid));
return buf;
}
*/
static void
-fetch_core_registers (core_reg_sect, core_reg_size, which, reg_addr)
- char *core_reg_sect;
- unsigned core_reg_size;
- int which;
- CORE_ADDR reg_addr;
+fetch_core_registers (char *core_reg_sect, unsigned core_reg_size, int which,
+ CORE_ADDR reg_addr)
{
struct st_entry s;
unsigned int regno;
static struct core_fns lynx_core_fns =
{
- bfd_target_unknown_flavour,
- fetch_core_registers,
- NULL
+ bfd_target_unknown_flavour, /* core_flavour */
+ default_check_format, /* check_format */
+ default_core_sniffer, /* core_sniffer */
+ fetch_core_registers, /* core_read_registers */
+ NULL /* next */
};
void
-_initialize_core_lynx ()
+_initialize_core_lynx (void)
{
add_core_fns (&lynx_core_fns);
}
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