Phase 1 of the ptid_t changes.

[deliverable/binutils-gdb.git] / gdb / i386-linux-nat.c

diff --git a/gdb/i386-linux-nat.c b/gdb/i386-linux-nat.c
index 114e4ce5bc1ab49ab65e071fea2f5b76b1c437cc..eb222fdbcff7cf05e74809eca697123591e970f5 100644 (file)
--- a/gdb/i386-linux-nat.c
+++ b/gdb/i386-linux-nat.c
@@ -63,7 +63,7 @@ static void dummy_sse_values (void);
 
 /* On Linux, threads are implemented as pseudo-processes, in which
    case we may be tracing more than one process at a time.  In that
-   case, inferior_pid will contain the main process ID and the
+   case, inferior_ptid will contain the main process ID and the
    individual thread (process) ID mashed together.  These macros are
    used to separate them out.  These definitions should be overridden
    if thread support is included.  */
@@ -198,8 +198,8 @@ fetch_register (int regno)
     }
 
   /* Overload thread id onto process id */
-  if ((tid = TIDGET (inferior_pid)) == 0)
-    tid = inferior_pid;                /* no thread id, just use process id */
+  if ((tid = TIDGET (inferior_ptid)) == 0)
+    tid = PIDGET (inferior_ptid);      /* no thread id, just use process id */
 
   offset = U_REGS_OFFSET;
 
@@ -261,8 +261,8 @@ store_register (int regno)
     }
 
   /* Overload thread id onto process id */
-  if ((tid = TIDGET (inferior_pid)) == 0)
-    tid = inferior_pid;                /* no thread id, just use process id */
+  if ((tid = TIDGET (inferior_ptid)) == 0)
+    tid = PIDGET (inferior_ptid);      /* no thread id, just use process id */
 
   offset = U_REGS_OFFSET;
 
@@ -597,8 +597,8 @@ fetch_inferior_registers (int regno)
     }
 
   /* Linux LWP ID's are process ID's.  */
-  if ((tid = TIDGET (inferior_pid)) == 0)
-    tid = inferior_pid;                /* Not a threaded program.  */
+  if ((tid = TIDGET (inferior_ptid)) == 0)
+    tid = PIDGET (inferior_ptid);              /* Not a threaded program.  */
 
   /* Use the PTRACE_GETFPXREGS request whenever possible, since it
      transfers more registers in one system call, and we'll cache the
@@ -663,8 +663,8 @@ store_inferior_registers (int regno)
     }
 
   /* Linux LWP ID's are process ID's.  */
-  if ((tid = TIDGET (inferior_pid)) == 0)
-    tid = inferior_pid;                /* Not a threaded program.  */
+  if ((tid = TIDGET (inferior_ptid)) == 0)
+    tid = PIDGET (inferior_ptid);      /* Not a threaded program.  */
 
   /* Use the PTRACE_SETFPXREGS requests whenever possible, since it
      transfers more registers in one system call.  But remember that
@@ -710,7 +710,7 @@ i386_linux_dr_get (int regnum)
   /* FIXME: kettenis/2001-01-29: It's not clear what we should do with
      multi-threaded processes here.  For now, pretend there is just
      one thread.  */
-  tid = PIDGET (inferior_pid);
+  tid = PIDGET (inferior_ptid);
 
   /* FIXME: kettenis/2001-03-27: Calling perror_with_name if the
      ptrace call fails breaks debugging remote targets.  The correct
@@ -738,7 +738,7 @@ i386_linux_dr_set (int regnum, unsigned long value)
   /* FIXME: kettenis/2001-01-29: It's not clear what we should do with
      multi-threaded processes here.  For now, pretend there is just
      one thread.  */
-  tid = PIDGET (inferior_pid);
+  tid = PIDGET (inferior_ptid);
 
   errno = 0;
   ptrace (PT_WRITE_U, tid,
@@ -879,19 +879,21 @@ static const unsigned char linux_syscall[] = { 0xcd, 0x80 };
    If SIGNAL is nonzero, give it that signal.  */
 
 void
-child_resume (int pid, int step, enum target_signal signal)
+child_resume (ptid_t ptid, int step, enum target_signal signal)
 {
+  int pid = PIDGET (ptid);
+
   int request = PTRACE_CONT;
 
   if (pid == -1)
     /* Resume all threads.  */
     /* I think this only gets used in the non-threaded case, where "resume
-       all threads" and "resume inferior_pid" are the same.  */
-    pid = inferior_pid;
+       all threads" and "resume inferior_ptid" are the same.  */
+    pid = PIDGET (inferior_ptid);
 
   if (step)
     {
-      CORE_ADDR pc = read_pc_pid (pid);
+      CORE_ADDR pc = read_pc_pid (pid_to_ptid (pid));
       unsigned char buf[LINUX_SYSCALL_LEN];
 
       request = PTRACE_SINGLESTEP;
@@ -908,7 +910,8 @@ child_resume (int pid, int step, enum target_signal signal)
       if (read_memory_nobpt (pc, (char *) buf, LINUX_SYSCALL_LEN) == 0
          && memcmp (buf, linux_syscall, LINUX_SYSCALL_LEN) == 0)
        {
-         int syscall = read_register_pid (LINUX_SYSCALL_REGNUM, pid);
+         int syscall = read_register_pid (LINUX_SYSCALL_REGNUM,
+                                          pid_to_ptid (pid));
 
          /* Then check the system call number.  */
          if (syscall == SYS_sigreturn || syscall == SYS_rt_sigreturn)