Replace xmalloc/xfree with vector in jit.c

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

diff --git a/gdb/objfiles.h b/gdb/objfiles.h
index e0ff8343439d40542a8cfd4967a21e7ed39be687..1601cfe591f0b4d7031555e9d67f0b2faac0dd7b 100644 (file)
--- a/gdb/objfiles.h
+++ b/gdb/objfiles.h
@@ -30,9 +30,10 @@
 #include "psymtab.h"
 #include <bitset>
 #include <vector>
-#include "common/next-iterator.h"
-#include "common/safe-iterator.h"
+#include "gdbsupport/next-iterator.h"
+#include "gdbsupport/safe-iterator.h"
 #include "bcache.h"
+#include "gdbarch.h"
 
 struct htab;
 struct objfile_data;
@@ -68,8 +69,8 @@ struct partial_symbol;
    testcase are broken for some targets.  In this test the functions
    are all implemented as part of one file and the testcase is not
    necessarily linked with a start file (depending on the target).
-   What happens is, that the first frame is printed normaly and
-   following frames are treated as being inside the enttry file then.
+   What happens is, that the first frame is printed normally and
+   following frames are treated as being inside the entry file then.
    This way, only the #0 frame is printed in the backtrace output.''
    Ref "frame.c" "NOTE: vinschen/2003-04-01".
 
@@ -142,14 +143,14 @@ struct obj_section
 
 /* The memory address of section S (vma + offset).  */
 #define obj_section_addr(s)                                            \
-  (bfd_get_section_vma ((s)->objfile->obfd, s->the_bfd_section)                \
+  (bfd_section_vma (s->the_bfd_section)                                        \
    + obj_section_offset (s))
 
 /* The one-passed-the-end memory address of section S
    (vma + size + offset).  */
 #define obj_section_endaddr(s)                                         \
-  (bfd_get_section_vma ((s)->objfile->obfd, s->the_bfd_section)                \
-   + bfd_get_section_size ((s)->the_bfd_section)                       \
+  (bfd_section_vma (s->the_bfd_section)                                        \
+   + bfd_section_size ((s)->the_bfd_section)                           \
    + obj_section_offset (s))
 
 /* The "objstats" structure provides a place for gdb to record some
@@ -243,11 +244,11 @@ struct objfile_per_bfd_storage
 
   /* Byte cache for file names.  */
 
-  struct bcache filename_cache;
+  gdb::bcache filename_cache;
 
   /* Byte cache for macros.  */
 
-  struct bcache macro_cache;
+  gdb::bcache macro_cache;
 
   /* The gdbarch associated with the BFD.  Note that this gdbarch is
      determined solely from BFD information, without looking at target
@@ -257,10 +258,10 @@ struct objfile_per_bfd_storage
   struct gdbarch *gdbarch = NULL;
 
   /* 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.  */
+     entry in the hash table is a demangled_name_entry struct, storing the
+     language and 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.  */
 
   htab_up demangled_names_hash;
 
@@ -304,12 +305,14 @@ struct objfile_per_bfd_storage
 
   bool minsyms_read : 1;
 
-  /* This is a hash table used to index the minimal symbols by name.  */
+  /* This is a hash table used to index the minimal symbols by (mangled)
+     name.  */
 
   minimal_symbol *msymbol_hash[MINIMAL_SYMBOL_HASH_SIZE] {};
 
   /* This hash table is used to index the minimal symbols by their
-     demangled names.  */
+     demangled names.  Uses a language-specific hash function via
+     search_name_hash.  */
 
   minimal_symbol *msymbol_demangled_hash[MINIMAL_SYMBOL_HASH_SIZE] {};
 
@@ -381,7 +384,13 @@ private:
    2.  Additional symbol files added by the add-symbol-file command,
    3.  Shared library objfiles, added by ADD_SOLIB,  4.  symbol files
    for modules that were loaded when GDB attached to a remote system
-   (see remote-vx.c).  */
+   (see remote-vx.c).
+
+   GDB typically reads symbols twice -- first an initial scan which just
+   reads "partial symbols"; these are partial information for the
+   static/global symbols in a symbol file.  When later looking up symbols,
+   objfile->sf->qf->lookup_symbol is used to check if we only have a partial
+   symbol and if so, read and expand the full compunit.  */
 
 struct objfile
 {
@@ -474,7 +483,7 @@ struct objfile
      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 *original_name = nullptr;
+  const char *original_name = nullptr;
 
   CORE_ADDR addr_low = 0;
 
@@ -628,12 +637,8 @@ extern CORE_ADDR entry_point_address (void);
 
 extern void build_objfile_section_table (struct objfile *);
 
-extern void put_objfile_before (struct objfile *, struct objfile *);
-
 extern void add_separate_debug_objfile (struct objfile *, struct objfile *);
 
-extern void unlink_objfile (struct objfile *);
-
 extern void free_objfile_separate_debug (struct objfile *);
 
 extern void free_all_objfiles (void);