Record objfile->original_name as an absolute path

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

diff --git a/gdb/objfiles.h b/gdb/objfiles.h
index 93149e2032f5ad17420953eb2b0ccc4e0c2db379..bc16dc73758f13d582913f62353573ee1229dfff 100644 (file)
--- a/gdb/objfiles.h
+++ b/gdb/objfiles.h
@@ -178,6 +178,20 @@ struct objfile_per_bfd_storage
 
   /* Byte cache for macros.  */
   struct bcache *macro_cache;
+
+  /* The gdbarch associated with the BFD.  Note that this gdbarch is
+     determined solely from BFD information, without looking at target
+     information.  The gdbarch determined from a running target may
+     differ from this e.g. with respect to register types and names.  */
+
+  struct gdbarch *gdbarch;
+
+  /* Hash table for mapping symbol names to demangled names.  Each
+     entry in the hash table is actually two consecutive strings,
+     both null-terminated; the first one is a mangled or linkage
+     name, and the second is the demangled name or just a zero byte
+     if the name doesn't demangle.  */
+  struct htab *demangled_names_hash;
 };
 
 /* Master structure for keeping track of each file from which
@@ -198,11 +212,13 @@ struct objfile
 
     struct objfile *next;
 
-    /* The object file's name, tilde-expanded and absolute.  This
-       pointer is never NULL.  This does not have to be freed; it is
+    /* The object file's original name as specified by the user,
+       made absolute, and tilde-expanded.  However, it is not canonicalized
+       (i.e., it has not been passed through gdb_realpath).
+       This pointer is never NULL.  This does not have to be freed; it is
        guaranteed to have a lifetime at least as long as the objfile.  */
 
-    char *name;
+    char *original_name;
 
     CORE_ADDR addr_low;
 
@@ -248,13 +264,6 @@ struct objfile
 
     struct objfile_per_bfd_storage *per_bfd;
 
-    /* The gdbarch associated with the BFD.  Note that this gdbarch is
-       determined solely from BFD information, without looking at target
-       information.  The gdbarch determined from a running target may
-       differ from this e.g. with respect to register types and names.  */
-
-    struct gdbarch *gdbarch;
-
     /* The modification timestamp of the object file, as of the last time
        we read its symbols.  */
 
@@ -270,13 +279,6 @@ struct objfile
 
     struct psymbol_bcache *psymbol_cache; /* Byte cache for partial syms.  */
 
-    /* Hash table for mapping symbol names to demangled names.  Each
-       entry in the hash table is actually two consecutive strings,
-       both null-terminated; the first one is a mangled or linkage
-       name, and the second is the demangled name or just a zero byte
-       if the name doesn't demangle.  */
-    struct htab *demangled_names_hash;
-
     /* Vectors of all partial symbols read in from file.  The actual data
        is stored in the objfile_obstack.  */
 
@@ -429,14 +431,14 @@ struct objfile
 
 #define OBJF_MAINLINE (1 << 5)
 
-/* The object file that contains the runtime common minimal symbols
-   for SunOS4.  Note that this objfile has no associated BFD.  */
+/* ORIGINAL_NAME and OBFD->FILENAME correspond to text description unrelated to
+   filesystem names.  It can be for example "<image in memory>".  */
 
-extern struct objfile *rt_common_objfile;
+#define OBJF_NOT_FILENAME (1 << 6)
 
 /* Declarations for functions defined in objfiles.c */
 
-extern struct objfile *allocate_objfile (bfd *, int);
+extern struct objfile *allocate_objfile (bfd *, const char *name, int);
 
 extern struct gdbarch *get_objfile_arch (struct objfile *);
 
@@ -480,8 +482,13 @@ extern int have_partial_symbols (void);
 
 extern int have_full_symbols (void);
 
+extern void objfile_set_sym_fns (struct objfile *objfile,
+                                const struct sym_fns *sf);
+
 extern void objfiles_changed (void);
 
+extern int is_addr_in_objfile (CORE_ADDR addr, const struct objfile *objfile);
+
 /* This operation deletes all objfile entries that represent solibs that
    weren't explicitly loaded by the user, via e.g., the add-symbol-file
    command.  */
@@ -495,12 +502,38 @@ extern int have_minimal_symbols (void);
 
 extern struct obj_section *find_pc_section (CORE_ADDR pc);
 
-extern int in_plt_section (CORE_ADDR, char *);
+/* Return non-zero if PC is in a section called NAME.  */
+extern int pc_in_section (CORE_ADDR, char *);
+
+/* Return non-zero if PC is in a SVR4-style procedure linkage table
+   section.  */
+
+static inline int
+in_plt_section (CORE_ADDR pc)
+{
+  return pc_in_section (pc, ".plt");
+}
 
 /* Keep a registry of per-objfile data-pointers required by other GDB
    modules.  */
 DECLARE_REGISTRY(objfile);
 
+/* In normal use, the section map will be rebuilt by find_pc_section
+   if objfiles have been added, removed or relocated since it was last
+   called.  Calling inhibit_section_map_updates will inhibit this
+   behavior until resume_section_map_updates is called.  If you call
+   inhibit_section_map_updates you must ensure that every call to
+   find_pc_section in the inhibited region relates to a section that
+   is already in the section map and has not since been removed or
+   relocated.  */
+extern void inhibit_section_map_updates (struct program_space *pspace);
+
+/* Resume automatically rebuilding the section map as required.  */
+extern void resume_section_map_updates (struct program_space *pspace);
+
+/* Version of the above suitable for use as a cleanup.  */
+extern void resume_section_map_updates_cleanup (void *arg);
+
 extern void default_iterate_over_objfiles_in_search_order
   (struct gdbarch *gdbarch,
    iterate_over_objfiles_in_search_order_cb_ftype *cb,
@@ -652,4 +685,6 @@ extern void default_iterate_over_objfiles_in_search_order
 
 void set_objfile_per_bfd (struct objfile *obj);
 
+const char *objfile_name (const struct objfile *objfile);
+
 #endif /* !defined (OBJFILES_H) */