Fix PR threads/19422 - show which thread caused stop

[deliverable/binutils-gdb.git] / gdb / symtab.h

diff --git a/gdb/symtab.h b/gdb/symtab.h
index 4ff8ae7b53972e901123e649f7768ac38f336d57..f7884b971798f5e3137d083dda4c8e78a1bff702 100644 (file)
--- a/gdb/symtab.h
+++ b/gdb/symtab.h
@@ -1,6 +1,6 @@
 /* Symbol table definitions for GDB.
 
-   Copyright (C) 1986-2015 Free Software Foundation, Inc.
+   Copyright (C) 1986-2016 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -23,6 +23,7 @@
 #include "vec.h"
 #include "gdb_vecs.h"
 #include "gdbtypes.h"
+#include "common/enum-flags.h"
 
 /* Opaque declarations.  */
 struct ui_file;
@@ -137,11 +138,7 @@ struct general_symbol_info
 
     /* This is used by languages which wish to store a demangled name.
        currently used by Ada, C++, Java, and Objective C.  */
-    struct mangled_lang
-    {
-      const char *demangled_name;
-    }
-    mangled_lang;
+    const char *demangled_name;
   }
   language_specific;
 
@@ -151,7 +148,7 @@ struct general_symbol_info
 
   ENUM_BITFIELD(language) language : LANGUAGE_BITS;
 
-  /* This is only used by Ada.  If set, then the 'mangled_lang' field
+  /* This is only used by Ada.  If set, then the 'demangled_name' field
      of language_specific is valid.  Otherwise, the 'obstack' field is
      valid.  */
   unsigned int ada_mangled : 1;
@@ -584,7 +581,13 @@ enum address_class
      not find it in the full symbol table.  But a reference to an external
      symbol in a local block shadowing other definition requires full symbol
      without possibly having its address available for LOC_STATIC.  Testcase
-     is provided as `gdb.dwarf2/dw2-unresolved.exp'.  */
+     is provided as `gdb.dwarf2/dw2-unresolved.exp'.
+
+     This is also used for thread local storage (TLS) variables.  In this case,
+     the address of the TLS variable must be determined when the variable is
+     referenced, from the MSYMBOL_VALUE_RAW_ADDRESS, which is the offset
+     of the TLS variable in the thread local storage of the shared
+     library/object.  */
 
   LOC_UNRESOLVED,
 
@@ -829,6 +832,10 @@ struct block_symbol
 
 extern const struct symbol_impl *symbol_impls;
 
+/* For convenience.  All fields are NULL.  This means "there is no
+   symbol".  */
+extern const struct block_symbol null_block_symbol;
+
 /* Note: There is no accessor macro for symbol.owner because it is
    "private".  */
 
@@ -1468,7 +1475,7 @@ extern int identify_source_line (struct symtab *, int, int, CORE_ADDR);
 
 /* Flags passed as 4th argument to print_source_lines.  */
 
-enum print_source_lines_flags
+enum print_source_lines_flag
   {
     /* Do not print an error message.  */
     PRINT_SOURCE_LINES_NOERROR = (1 << 0),
@@ -1476,9 +1483,10 @@ enum print_source_lines_flags
     /* Print the filename in front of the source lines.  */
     PRINT_SOURCE_LINES_FILENAME = (1 << 1)
   };
+DEF_ENUM_FLAGS_TYPE (enum print_source_lines_flag, print_source_lines_flags);
 
 extern void print_source_lines (struct symtab *, int, int,
-                               enum print_source_lines_flags);
+                               print_source_lines_flags);
 
 extern void forget_cached_source_info_for_objfile (struct objfile *);
 extern void forget_cached_source_info (void);
@@ -1605,8 +1613,6 @@ void iterate_over_symtabs (const char *name,
                                            void *data),
                           void *data);
 
-DEF_VEC_I (CORE_ADDR);
-
 VEC (CORE_ADDR) *find_pcs_for_symtab_line (struct symtab *symtab, int line,
                                           struct linetable_entry **best_entry);