Add AVX512 registers support to GDB and GDBserver.

[deliverable/binutils-gdb.git] / gdb / solib-frv.c

diff --git a/gdb/solib-frv.c b/gdb/solib-frv.c
index e1c16d92b14673599938d921792c3dfd4f756b3a..9724a3c74752754913a3071b755367137086b97e 100644 (file)
--- a/gdb/solib-frv.c
+++ b/gdb/solib-frv.c
@@ -1,6 +1,5 @@
 /* Handle FR-V (FDPIC) shared libraries for GDB, the GNU Debugger.
 /* Handle FR-V (FDPIC) shared libraries for GDB, the GNU Debugger.

-   Copyright (C) 2004, 2007, 2008, 2009, 2010, 2011
-   Free Software Foundation, Inc.
+   Copyright (C) 2004-2014 Free Software Foundation, Inc.

 
    This file is part of GDB.
 
 
    This file is part of GDB.
 


@@ -19,7 +18,7 @@
 
 
 #include "defs.h"
 
 
 #include "defs.h"

-#include "gdb_string.h"
+#include <string.h>

 #include "inferior.h"
 #include "gdbcore.h"
 #include "solib.h"
 #include "inferior.h"
 #include "gdbcore.h"
 #include "solib.h"


@@ -32,9 +31,10 @@
 #include "gdbcmd.h"
 #include "elf/frv.h"
 #include "exceptions.h"
 #include "gdbcmd.h"
 #include "elf/frv.h"
 #include "exceptions.h"

+#include "gdb_bfd.h"

 
 /* Flag which indicates whether internal debug messages should be printed.  */
 
 /* Flag which indicates whether internal debug messages should be printed.  */

-static int solib_frv_debug;
+static unsigned int solib_frv_debug;

 
 /* FR-V pointers are four bytes wide.  */
 enum { FRV_PTR_SIZE = 4 };
 
 /* FR-V pointers are four bytes wide.  */
 enum { FRV_PTR_SIZE = 4 };


@@ -98,7 +98,7 @@ struct int_elf32_fdpic_loadmap {
 static struct int_elf32_fdpic_loadmap *
 fetch_loadmap (CORE_ADDR ldmaddr)
 {
 static struct int_elf32_fdpic_loadmap *
 fetch_loadmap (CORE_ADDR ldmaddr)
 {

-  enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch);
+  enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch ());

   struct ext_elf32_fdpic_loadmap ext_ldmbuf_partial;
   struct ext_elf32_fdpic_loadmap *ext_ldmbuf;
   struct int_elf32_fdpic_loadmap *int_ldmbuf;
   struct ext_elf32_fdpic_loadmap ext_ldmbuf_partial;
   struct ext_elf32_fdpic_loadmap *ext_ldmbuf;
   struct int_elf32_fdpic_loadmap *int_ldmbuf;


@@ -239,77 +239,6 @@ static void frv_relocate_main_executable (void);
 static CORE_ADDR main_got (void);
 static int enable_break2 (void);
 
 static CORE_ADDR main_got (void);
 static int enable_break2 (void);
 

-/* Lookup the value for a specific symbol.
-
-   An expensive way to lookup the value of a single symbol for
-   bfd's that are only temporary anyway.  This is used by the
-   shared library support to find the address of the debugger
-   interface structures in the shared library.
-
-   Note that 0 is specifically allowed as an error return (no
-   such symbol).  */
-
-static CORE_ADDR
-bfd_lookup_symbol (bfd *abfd, char *symname)
-{
-  long storage_needed;
-  asymbol *sym;
-  asymbol **symbol_table;
-  unsigned int number_of_symbols;
-  unsigned int i;
-  struct cleanup *back_to;
-  CORE_ADDR symaddr = 0;
-
-  storage_needed = bfd_get_symtab_upper_bound (abfd);
-
-  if (storage_needed > 0)
-    {
-      symbol_table = (asymbol **) xmalloc (storage_needed);
-      back_to = make_cleanup (xfree, symbol_table);
-      number_of_symbols = bfd_canonicalize_symtab (abfd, symbol_table);
-
-      for (i = 0; i < number_of_symbols; i++)
-       {
-         sym = *symbol_table++;
-         if (strcmp (sym->name, symname) == 0)
-           {
-             /* Bfd symbols are section relative.  */
-             symaddr = sym->value + sym->section->vma;
-             break;
-           }
-       }
-      do_cleanups (back_to);
-    }
-
-  if (symaddr)
-    return symaddr;
-
-  /* Look for the symbol in the dynamic string table too.  */
-
-  storage_needed = bfd_get_dynamic_symtab_upper_bound (abfd);
-
-  if (storage_needed > 0)
-    {
-      symbol_table = (asymbol **) xmalloc (storage_needed);
-      back_to = make_cleanup (xfree, symbol_table);
-      number_of_symbols = bfd_canonicalize_dynamic_symtab (abfd, symbol_table);
-
-      for (i = 0; i < number_of_symbols; i++)
-       {
-         sym = *symbol_table++;
-         if (strcmp (sym->name, symname) == 0)
-           {
-             /* Bfd symbols are section relative.  */
-             symaddr = sym->value + sym->section->vma;
-             break;
-           }
-       }
-      do_cleanups (back_to);
-    }
-
-  return symaddr;
-}
-

 /* Implement the "open_symbol_file_object" target_so_ops method.  */
 
 static int
 /* Implement the "open_symbol_file_object" target_so_ops method.  */
 
 static int


@@ -336,8 +265,8 @@ static CORE_ADDR main_lm_addr = 0;
 static CORE_ADDR
 lm_base (void)
 {
 static CORE_ADDR
 lm_base (void)
 {

-  enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch);
-  struct minimal_symbol *got_sym;
+  enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch ());
+  struct bound_minimal_symbol got_sym;

   CORE_ADDR addr;
   gdb_byte buf[FRV_PTR_SIZE];
 
   CORE_ADDR addr;
   gdb_byte buf[FRV_PTR_SIZE];
 


@@ -355,7 +284,7 @@ lm_base (void)
 
   got_sym = lookup_minimal_symbol ("_GLOBAL_OFFSET_TABLE_", NULL,
                                    symfile_objfile);
 
   got_sym = lookup_minimal_symbol ("_GLOBAL_OFFSET_TABLE_", NULL,
                                    symfile_objfile);

-  if (got_sym == 0)
+  if (got_sym.minsym == 0)

     {
       if (solib_frv_debug)
        fprintf_unfiltered (gdb_stdlog,
     {
       if (solib_frv_debug)
        fprintf_unfiltered (gdb_stdlog,


@@ -363,7 +292,7 @@ lm_base (void)
       return 0;
     }
 
       return 0;
     }
 

-  addr = SYMBOL_VALUE_ADDRESS (got_sym) + 8;
+  addr = BMSYMBOL_VALUE_ADDRESS (got_sym) + 8;

 
   if (solib_frv_debug)
     fprintf_unfiltered (gdb_stdlog,
 
   if (solib_frv_debug)
     fprintf_unfiltered (gdb_stdlog,


@@ -388,7 +317,7 @@ lm_base (void)
 static struct so_list *
 frv_current_sos (void)
 {
 static struct so_list *
 frv_current_sos (void)
 {

-  enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch);
+  enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch ());

   CORE_ADDR lm_addr, mgot;
   struct so_list *sos_head = NULL;
   struct so_list **sos_next_ptr = &sos_head;
   CORE_ADDR lm_addr, mgot;
   struct so_list *sos_head = NULL;
   struct so_list **sos_next_ptr = &sos_head;


@@ -399,11 +328,11 @@ frv_current_sos (void)
      for details.)
 
      Note that the relocation of the main executable is also performed
      for details.)
 
      Note that the relocation of the main executable is also performed

-     by SOLIB_CREATE_INFERIOR_HOOK(), however, in the case of core
+     by solib_create_inferior_hook(), however, in the case of core

      files, this hook is called too late in order to be of benefit to
      files, this hook is called too late in order to be of benefit to

-     SOLIB_ADD.  SOLIB_ADD eventually calls this this function,
+     solib_add.  solib_add eventually calls this this function,

      frv_current_sos, and also precedes the call to
      frv_current_sos, and also precedes the call to

-     SOLIB_CREATE_INFERIOR_HOOK().   (See post_create_inferior() in
+     solib_create_inferior_hook().   (See post_create_inferior() in

      infcmd.c.)  */
   if (main_executable_lm_info == 0 && core_bfd != NULL)
     frv_relocate_main_executable ();
      infcmd.c.)  */
   if (main_executable_lm_info == 0 && core_bfd != NULL)
     frv_relocate_main_executable ();


@@ -519,7 +448,7 @@ frv_in_dynsym_resolve_code (CORE_ADDR pc)
 {
   return ((pc >= interp_text_sect_low && pc < interp_text_sect_high)
          || (pc >= interp_plt_sect_low && pc < interp_plt_sect_high)
 {
   return ((pc >= interp_text_sect_low && pc < interp_text_sect_high)
          || (pc >= interp_plt_sect_low && pc < interp_plt_sect_high)

-         || in_plt_section (pc, NULL));
+         || in_plt_section (pc));

 }
 
 /* Given a loadmap and an address, return the displacement needed
 }
 
 /* Given a loadmap and an address, return the displacement needed


@@ -554,6 +483,14 @@ enable_break_failure_warning (void)
           "and track explicitly loaded dynamic code."));
 }
 
           "and track explicitly loaded dynamic code."));
 }
 

+/* Helper function for gdb_bfd_lookup_symbol.  */
+
+static int
+cmp_name (asymbol *sym, void *data)
+{
+  return (strcmp (sym->name, (const char *) data) == 0);
+}
+

 /* Arrange for dynamic linker to hit breakpoint.
 
    The dynamic linkers has, as part of its debugger interface, support
 /* Arrange for dynamic linker to hit breakpoint.
 
    The dynamic linkers has, as part of its debugger interface, support


@@ -581,7 +518,7 @@ static int enable_break2_done = 0;
 static int
 enable_break2 (void)
 {
 static int
 enable_break2 (void)
 {

-  enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch);
+  enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch ());

   int success = 0;
   char **bkpt_namep;
   asection *interp_sect;
   int success = 0;
   char **bkpt_namep;
   asection *interp_sect;


@@ -598,7 +535,7 @@ enable_break2 (void)
   if (interp_sect)
     {
       unsigned int interp_sect_size;
   if (interp_sect)
     {
       unsigned int interp_sect_size;

-      gdb_byte *buf;
+      char *buf;

       bfd *tmp_bfd = NULL;
       int status;
       CORE_ADDR addr, interp_loadmap_addr;
       bfd *tmp_bfd = NULL;
       int status;
       CORE_ADDR addr, interp_loadmap_addr;


@@ -632,13 +569,13 @@ enable_break2 (void)
          return 0;
        }
 
          return 0;
        }
 

-      status = frv_fdpic_loadmap_addresses (target_gdbarch,
+      status = frv_fdpic_loadmap_addresses (target_gdbarch (),

                                             &interp_loadmap_addr, 0);
       if (status < 0)
        {
          warning (_("Unable to determine dynamic linker loadmap address."));
          enable_break_failure_warning ();
                                             &interp_loadmap_addr, 0);
       if (status < 0)
        {
          warning (_("Unable to determine dynamic linker loadmap address."));
          enable_break_failure_warning ();

-         bfd_close (tmp_bfd);
+         gdb_bfd_unref (tmp_bfd);

          return 0;
        }
 
          return 0;
        }
 


@@ -653,7 +590,7 @@ enable_break2 (void)
          warning (_("Unable to load dynamic linker loadmap at address %s."),
                   hex_string_custom (interp_loadmap_addr, 8));
          enable_break_failure_warning ();
          warning (_("Unable to load dynamic linker loadmap at address %s."),
                   hex_string_custom (interp_loadmap_addr, 8));
          enable_break_failure_warning ();

-         bfd_close (tmp_bfd);
+         gdb_bfd_unref (tmp_bfd);

          return 0;
        }
 
          return 0;
        }
 


@@ -680,13 +617,14 @@ enable_break2 (void)
            interp_plt_sect_low + bfd_section_size (tmp_bfd, interp_sect);
        }
 
            interp_plt_sect_low + bfd_section_size (tmp_bfd, interp_sect);
        }
 

-      addr = bfd_lookup_symbol (tmp_bfd, "_dl_debug_addr");
+      addr = gdb_bfd_lookup_symbol (tmp_bfd, cmp_name, "_dl_debug_addr");
+

       if (addr == 0)
        {
          warning (_("Could not find symbol _dl_debug_addr "
                     "in dynamic linker"));
          enable_break_failure_warning ();
       if (addr == 0)
        {
          warning (_("Could not find symbol _dl_debug_addr "
                     "in dynamic linker"));
          enable_break_failure_warning ();

-         bfd_close (tmp_bfd);
+         gdb_bfd_unref (tmp_bfd);

          return 0;
        }
 
          return 0;
        }
 


@@ -737,7 +675,7 @@ enable_break2 (void)
                     "(at address %s) from dynamic linker"),
                   hex_string_custom (addr + 8, 8));
          enable_break_failure_warning ();
                     "(at address %s) from dynamic linker"),
                   hex_string_custom (addr + 8, 8));
          enable_break_failure_warning ();

-         bfd_close (tmp_bfd);
+         gdb_bfd_unref (tmp_bfd);

          return 0;
        }
       addr = extract_unsigned_integer (addr_buf, sizeof addr_buf, byte_order);
          return 0;
        }
       addr = extract_unsigned_integer (addr_buf, sizeof addr_buf, byte_order);


@@ -749,13 +687,13 @@ enable_break2 (void)
                     "(at address %s) from dynamic linker"),
                   hex_string_custom (addr, 8));
          enable_break_failure_warning ();
                     "(at address %s) from dynamic linker"),
                   hex_string_custom (addr, 8));
          enable_break_failure_warning ();

-         bfd_close (tmp_bfd);
+         gdb_bfd_unref (tmp_bfd);

          return 0;
        }
       addr = extract_unsigned_integer (addr_buf, sizeof addr_buf, byte_order);
 
       /* We're done with the temporary bfd.  */
          return 0;
        }
       addr = extract_unsigned_integer (addr_buf, sizeof addr_buf, byte_order);
 
       /* We're done with the temporary bfd.  */

-      bfd_close (tmp_bfd);
+      gdb_bfd_unref (tmp_bfd);

 
       /* We're also done with the loadmap.  */
       xfree (ldm);
 
       /* We're also done with the loadmap.  */
       xfree (ldm);


@@ -765,7 +703,7 @@ enable_break2 (void)
       remove_solib_event_breakpoints ();
 
       /* Now (finally!) create the solib breakpoint.  */
       remove_solib_event_breakpoints ();
 
       /* Now (finally!) create the solib breakpoint.  */

-      create_solib_event_breakpoint (target_gdbarch, addr);
+      create_solib_event_breakpoint (target_gdbarch (), addr);

 
       enable_break2_done = 1;
 
 
       enable_break2_done = 1;
 


@@ -783,6 +721,7 @@ static int
 enable_break (void)
 {
   asection *interp_sect;
 enable_break (void)
 {
   asection *interp_sect;

+  CORE_ADDR entry_point;

 
   if (symfile_objfile == NULL)
     {
 
   if (symfile_objfile == NULL)
     {


@@ -792,7 +731,7 @@ enable_break (void)
       return 0;
     }
 
       return 0;
     }
 

-  if (!symfile_objfile->ei.entry_point_p)
+  if (!entry_point_address_query (&entry_point))

     {
       if (solib_frv_debug)
        fprintf_unfiltered (gdb_stdlog,
     {
       if (solib_frv_debug)
        fprintf_unfiltered (gdb_stdlog,


@@ -813,15 +752,13 @@ enable_break (void)
       return 0;
     }
 
       return 0;
     }
 

-  create_solib_event_breakpoint (target_gdbarch,
-                                symfile_objfile->ei.entry_point);
+  create_solib_event_breakpoint (target_gdbarch (), entry_point);

 
   if (solib_frv_debug)
     fprintf_unfiltered (gdb_stdlog,
                        "enable_break: solib event breakpoint "
                        "placed at entry point: %s\n",
 
   if (solib_frv_debug)
     fprintf_unfiltered (gdb_stdlog,
                        "enable_break: solib event breakpoint "
                        "placed at entry point: %s\n",

-                       hex_string_custom (symfile_objfile->ei.entry_point,
-                                          8));
+                       hex_string_custom (entry_point, 8));

   return 1;
 }
 
   return 1;
 }
 


@@ -844,7 +781,7 @@ frv_relocate_main_executable (void)
   int changed;
   struct obj_section *osect;
 
   int changed;
   struct obj_section *osect;
 

-  status = frv_fdpic_loadmap_addresses (target_gdbarch,
+  status = frv_fdpic_loadmap_addresses (target_gdbarch (),

                                         &interp_addr, &exec_addr);
 
   if (status < 0 || (exec_addr == 0 && interp_addr == 0))
                                         &interp_addr, &exec_addr);
 
   if (status < 0 || (exec_addr == 0 && interp_addr == 0))


@@ -874,7 +811,7 @@ frv_relocate_main_executable (void)
       int osect_idx;
       int seg;
       
       int osect_idx;
       int seg;
       

-      osect_idx = osect->the_bfd_section->index;
+      osect_idx = osect - symfile_objfile->sections;

 
       /* Current address of section.  */
       addr = obj_section_addr (osect);
 
       /* Current address of section.  */
       addr = obj_section_addr (osect);


@@ -982,14 +919,14 @@ frv_relocate_section_addresses (struct so_list *so,
 static CORE_ADDR
 main_got (void)
 {
 static CORE_ADDR
 main_got (void)
 {

-  struct minimal_symbol *got_sym;
+  struct bound_minimal_symbol got_sym;

 
   got_sym = lookup_minimal_symbol ("_GLOBAL_OFFSET_TABLE_",
                                   NULL, symfile_objfile);
 
   got_sym = lookup_minimal_symbol ("_GLOBAL_OFFSET_TABLE_",
                                   NULL, symfile_objfile);

-  if (got_sym == 0)
+  if (got_sym.minsym == 0)

     return 0;
 
     return 0;
 

-  return SYMBOL_VALUE_ADDRESS (got_sym);
+  return BMSYMBOL_VALUE_ADDRESS (got_sym);

 }
 
 /* Find the global pointer for the given function address ADDR.  */
 }
 
 /* Find the global pointer for the given function address ADDR.  */


@@ -1024,7 +961,7 @@ frv_fdpic_find_global_pointer (CORE_ADDR addr)
 
 /* Forward declarations for frv_fdpic_find_canonical_descriptor().  */
 static CORE_ADDR find_canonical_descriptor_in_load_object
 
 /* Forward declarations for frv_fdpic_find_canonical_descriptor().  */
 static CORE_ADDR find_canonical_descriptor_in_load_object

-  (CORE_ADDR, CORE_ADDR, char *, bfd *, struct lm_info *);
+  (CORE_ADDR, CORE_ADDR, const char *, bfd *, struct lm_info *);

 
 /* Given a function entry point, attempt to find the canonical descriptor
    associated with that entry point.  Return 0 if no canonical descriptor
 
 /* Given a function entry point, attempt to find the canonical descriptor
    associated with that entry point.  Return 0 if no canonical descriptor


@@ -1033,13 +970,11 @@ static CORE_ADDR find_canonical_descriptor_in_load_object
 CORE_ADDR
 frv_fdpic_find_canonical_descriptor (CORE_ADDR entry_point)
 {
 CORE_ADDR
 frv_fdpic_find_canonical_descriptor (CORE_ADDR entry_point)
 {

-  char *name;
+  const char *name;

   CORE_ADDR addr;
   CORE_ADDR got_value;
   struct int_elf32_fdpic_loadmap *ldm = 0;
   struct symbol *sym;
   CORE_ADDR addr;
   CORE_ADDR got_value;
   struct int_elf32_fdpic_loadmap *ldm = 0;
   struct symbol *sym;

-  int status;
-  CORE_ADDR exec_loadmap_addr;

 
   /* Fetch the corresponding global pointer for the entry point.  */
   got_value = frv_fdpic_find_global_pointer (entry_point);
 
   /* Fetch the corresponding global pointer for the entry point.  */
   got_value = frv_fdpic_find_global_pointer (entry_point);


@@ -1082,10 +1017,10 @@ frv_fdpic_find_canonical_descriptor (CORE_ADDR entry_point)
 
 static CORE_ADDR
 find_canonical_descriptor_in_load_object
 
 static CORE_ADDR
 find_canonical_descriptor_in_load_object

-  (CORE_ADDR entry_point, CORE_ADDR got_value, char *name, bfd *abfd,
+  (CORE_ADDR entry_point, CORE_ADDR got_value, const char *name, bfd *abfd,

    struct lm_info *lm)
 {
    struct lm_info *lm)
 {

-  enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch);
+  enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch ());

   arelent *rel;
   unsigned int i;
   CORE_ADDR addr = 0;
   arelent *rel;
   unsigned int i;
   CORE_ADDR addr = 0;


@@ -1248,12 +1183,12 @@ _initialize_frv_solib (void)
   frv_so_ops.bfd_open = solib_bfd_open;
 
   /* Debug this file's internals.  */
   frv_so_ops.bfd_open = solib_bfd_open;
 
   /* Debug this file's internals.  */

-  add_setshow_zinteger_cmd ("solib-frv", class_maintenance,
-                           &solib_frv_debug, _("\
+  add_setshow_zuinteger_cmd ("solib-frv", class_maintenance,
+                            &solib_frv_debug, _("\

 Set internal debugging of shared library code for FR-V."), _("\
 Show internal debugging of shared library code for FR-V."), _("\
 When non-zero, FR-V solib specific internal debugging is enabled."),
 Set internal debugging of shared library code for FR-V."), _("\
 Show internal debugging of shared library code for FR-V."), _("\
 When non-zero, FR-V solib specific internal debugging is enabled."),

-                           NULL,
-                           NULL, /* FIXME: i18n: */
-                           &setdebuglist, &showdebuglist);
+                            NULL,
+                            NULL, /* FIXME: i18n: */
+                            &setdebuglist, &showdebuglist);

 }
 }