Fix watchpoint-stops-at-right-insn.exp
[deliverable/binutils-gdb.git] / gdb / gdbserver / tracepoint.c
index 8e294f64c0b8a7a6307070e431612806f40e984c..2e83d71aed29a2184e314d7239bb76ae7ed9ec72 100644 (file)
@@ -26,7 +26,6 @@
 #include <fcntl.h>
 #include <unistd.h>
 #include <sys/time.h>
-#include <stddef.h>
 #include <inttypes.h>
 #include <stdint.h>
 
@@ -2943,7 +2942,10 @@ get_jump_space_head (void)
     {
       if (read_inferior_data_pointer (ipa_sym_addrs.addr_gdb_jump_pad_buffer,
                                      &gdb_jump_pad_head))
-       fatal ("error extracting jump_pad_buffer");
+       {
+         internal_error (__FILE__, __LINE__,
+                         "error extracting jump_pad_buffer");
+       }
     }
 
   return gdb_jump_pad_head;
@@ -2974,15 +2976,15 @@ claim_trampoline_space (ULONGEST used, CORE_ADDR *trampoline)
       if (read_inferior_data_pointer (ipa_sym_addrs.addr_gdb_trampoline_buffer,
                                      &trampoline_buffer_tail))
        {
-         fatal ("error extracting trampoline_buffer");
-         return 0;
+         internal_error (__FILE__, __LINE__,
+                         "error extracting trampoline_buffer");
        }
 
       if (read_inferior_data_pointer (ipa_sym_addrs.addr_gdb_trampoline_buffer_end,
                                      &trampoline_buffer_head))
        {
-         fatal ("error extracting trampoline_buffer_end");
-         return 0;
+         internal_error (__FILE__, __LINE__,
+                         "error extracting trampoline_buffer_end");
        }
     }
 
@@ -3017,8 +3019,8 @@ have_fast_tracepoint_trampoline_buffer (char *buf)
   if (read_inferior_data_pointer (ipa_sym_addrs.addr_gdb_trampoline_buffer_end,
                                  &trampoline_end))
     {
-      fatal ("error extracting trampoline_buffer_end");
-      return 0;
+      internal_error (__FILE__, __LINE__,
+                     "error extracting trampoline_buffer_end");
     }
   
   if (buf)
@@ -3028,8 +3030,8 @@ have_fast_tracepoint_trampoline_buffer (char *buf)
       if (read_inferior_data_pointer (ipa_sym_addrs.addr_gdb_trampoline_buffer_error,
                                  &errbuf))
        {
-         fatal ("error extracting errbuf");
-         return 0;
+         internal_error (__FILE__, __LINE__,
+                         "error extracting errbuf");
        }
 
       read_inferior_memory (errbuf, (unsigned char *) buf, 100);
@@ -3371,14 +3373,25 @@ cmd_qtstart (char *packet)
   if (agent_loaded_p ())
     {
       if (write_inferior_integer (ipa_sym_addrs.addr_tracing, 1))
-       fatal ("Error setting tracing variable in lib");
+       {
+         internal_error (__FILE__, __LINE__,
+                         "Error setting tracing variable in lib");
+       }
 
       if (write_inferior_data_pointer (ipa_sym_addrs.addr_stopping_tracepoint,
                                       0))
-       fatal ("Error clearing stopping_tracepoint variable in lib");
+       {
+         internal_error (__FILE__, __LINE__,
+                         "Error clearing stopping_tracepoint variable"
+                         " in lib");
+       }
 
       if (write_inferior_integer (ipa_sym_addrs.addr_trace_buffer_is_full, 0))
-       fatal ("Error clearing trace_buffer_is_full variable in lib");
+       {
+         internal_error (__FILE__, __LINE__,
+                         "Error clearing trace_buffer_is_full variable"
+                         " in lib");
+       }
 
       stop_tracing_bkpt = set_breakpoint_at (ipa_sym_addrs.addr_stop_tracing,
                                             stop_tracing_handler);
@@ -3430,7 +3443,10 @@ stop_tracing (void)
   if (agent_loaded_p ())
     {
       if (write_inferior_integer (ipa_sym_addrs.addr_tracing, 0))
-       fatal ("Error clearing tracing variable in lib");
+       {
+         internal_error (__FILE__, __LINE__,
+                         "Error clearing tracing variable in lib");
+       }
     }
 
   tracing_stop_time = get_timestamp ();
@@ -3943,6 +3959,17 @@ cmd_qtstmat (char *packet)
     run_inferior_command (packet, strlen (packet) + 1);
 }
 
+/* Helper for gdb_agent_about_to_close.
+   Return non-zero if thread ENTRY is in the same process in DATA.  */
+
+static int
+same_process_p (struct inferior_list_entry *entry, void *data)
+{
+  int *pid = data;
+
+  return ptid_get_pid (entry->id) == *pid;
+}
+
 /* Sent the agent a command to close it.  */
 
 void
@@ -3953,19 +3980,12 @@ gdb_agent_about_to_close (int pid)
   if (!maybe_write_ipa_not_loaded (buf))
     {
       struct thread_info *save_inferior;
-      struct inferior_list_entry *inf = all_threads.head;
 
       save_inferior = current_inferior;
 
-      /* Find a certain thread which belongs to process PID.  */
-      while (inf != NULL)
-       {
-         if (ptid_get_pid (inf->id) == pid)
-           break;
-         inf = inf->next;
-       }
-
-      current_inferior = (struct thread_info *) inf;
+      /* Find any thread which belongs to process PID.  */
+      current_inferior = (struct thread_info *)
+       find_inferior (&all_threads, same_process_p, &pid);
 
       strcpy (buf, "close");
 
@@ -5604,17 +5624,29 @@ fast_tracepoint_collecting (CORE_ADDR thread_area,
 
   if (read_inferior_data_pointer (ipa_sym_addrs.addr_gdb_jump_pad_buffer,
                                  &ipa_gdb_jump_pad_buffer))
-    fatal ("error extracting `gdb_jump_pad_buffer'");
+    {
+      internal_error (__FILE__, __LINE__,
+                     "error extracting `gdb_jump_pad_buffer'");
+    }
   if (read_inferior_data_pointer (ipa_sym_addrs.addr_gdb_jump_pad_buffer_end,
                                  &ipa_gdb_jump_pad_buffer_end))
-    fatal ("error extracting `gdb_jump_pad_buffer_end'");
+    {
+      internal_error (__FILE__, __LINE__,
+                     "error extracting `gdb_jump_pad_buffer_end'");
+    }
 
   if (read_inferior_data_pointer (ipa_sym_addrs.addr_gdb_trampoline_buffer,
                                  &ipa_gdb_trampoline_buffer))
-    fatal ("error extracting `gdb_trampoline_buffer'");
+    {
+      internal_error (__FILE__, __LINE__,
+                     "error extracting `gdb_trampoline_buffer'");
+    }
   if (read_inferior_data_pointer (ipa_sym_addrs.addr_gdb_trampoline_buffer_end,
                                  &ipa_gdb_trampoline_buffer_end))
-    fatal ("error extracting `gdb_trampoline_buffer_end'");
+    {
+      internal_error (__FILE__, __LINE__,
+                     "error extracting `gdb_trampoline_buffer_end'");
+    }
 
   if (ipa_gdb_jump_pad_buffer <= stop_pc
       && stop_pc < ipa_gdb_jump_pad_buffer_end)
@@ -5934,7 +5966,10 @@ target_malloc (ULONGEST size)
       /* We have the pointer *address*, need what it points to.  */
       if (read_inferior_data_pointer (ipa_sym_addrs.addr_gdb_tp_heap_buffer,
                                      &target_tp_heap))
-       fatal ("could get target heap head pointer");
+       {
+         internal_error (__FILE__, __LINE__,
+                         "couldn't get target heap head pointer");
+       }
     }
 
   ptr = target_tp_heap;
@@ -6158,7 +6193,10 @@ download_tracepoint (struct tracepoint *tpoint)
       if (read_inferior_data_pointer (tp_prev->obj_addr_on_target
                                      + offsetof (struct tracepoint, next),
                                      &tp_prev_target_next_addr))
-       fatal ("error reading `tp_prev->next'");
+       {
+         internal_error (__FILE__, __LINE__,
+                         "error reading `tp_prev->next'");
+       }
 
       /* tpoint->next = tp_prev->next */
       write_inferior_data_ptr (tpoint->obj_addr_on_target
@@ -6235,10 +6273,7 @@ download_trace_state_variables (void)
                                   name_addr);
        }
 
-      if (tsv->getter != NULL)
-       {
-         fatal ("what to do with these?");
-       }
+      gdb_assert (tsv->getter == NULL);
     }
 
   if (prev_ptr != 0)
@@ -6411,9 +6446,13 @@ upload_fast_traceframes (void)
        error ("Uploading: couldn't read traceframe at %s\n", paddress (tf));
 
       if (ipa_tframe.tpnum == 0)
-       fatal ("Uploading: No (more) fast traceframes, but "
-              "ipa_traceframe_count == %u??\n",
-              ipa_traceframe_write_count - ipa_traceframe_read_count);
+       {
+         internal_error (__FILE__, __LINE__,
+                         "Uploading: No (more) fast traceframes, but"
+                         " ipa_traceframe_count == %u??\n",
+                         ipa_traceframe_write_count
+                         - ipa_traceframe_read_count);
+       }
 
       /* Note that this will be incorrect for multi-location
         tracepoints...  */
@@ -7106,7 +7145,6 @@ gdb_ust_init (void)
 #endif /* HAVE_UST */
 
 #include <sys/syscall.h>
-#include <stdlib.h>
 
 static void
 gdb_agent_remove_socket (void)
@@ -7252,7 +7290,7 @@ gdb_agent_init (void)
   sigfillset (&new_mask);
   res = pthread_sigmask (SIG_SETMASK, &new_mask, &orig_mask);
   if (res)
-    fatal ("pthread_sigmask (1) failed: %s", strerror (res));
+    perror_with_name ("pthread_sigmask (1)");
 
   res = pthread_create (&thread,
                        NULL,
@@ -7261,7 +7299,7 @@ gdb_agent_init (void)
 
   res = pthread_sigmask (SIG_SETMASK, &orig_mask, NULL);
   if (res)
-    fatal ("pthread_sigmask (2) failed: %s", strerror (res));
+    perror_with_name ("pthread_sigmask (2)");
 
   while (helper_thread_id == 0)
     usleep (1);
@@ -7342,7 +7380,7 @@ initialize_tracepoint (void)
 
     pagesize = sysconf (_SC_PAGE_SIZE);
     if (pagesize == -1)
-      fatal ("sysconf");
+      perror_with_name ("sysconf");
 
     gdb_tp_heap_buffer = xmalloc (5 * 1024 * 1024);
 
@@ -7361,9 +7399,7 @@ initialize_tracepoint (void)
       }
 
     if (addr == 0)
-      fatal ("\
-initialize_tracepoint: mmap'ing jump pad buffer failed with %s",
-            strerror (errno));
+      perror_with_name ("mmap");
 
     gdb_jump_pad_buffer_end = gdb_jump_pad_buffer + pagesize * SCRATCH_BUFFER_NPAGES;
   }
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