/* Renesas / SuperH specific support for Symbian 32-bit ELF files
- Copyright 2004, 2005
- Free Software Foundation, Inc.
+ Copyright (C) 2004-2015 Free Software Foundation, Inc.
Contributed by Red Hat
This file is part of BFD, the Binary File Descriptor library.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
+
/* Stop elf32-sh.c from defining any target vectors. */
#define SH_TARGET_ALREADY_DEFINED
#define sh_find_elf_flags sh_symbian_find_elf_flags
-#define sh_elf_get_flags_from_mach sh_symbian_elf_get_flags_from_mach
+#define sh_elf_get_flags_from_mach sh_symbian_elf_get_flags_from_mach
#include "elf32-sh.c"
-//#define DEBUG 1
-#define DEBUG 0
+//#define SYMBIAN_DEBUG 1
+#define SYMBIAN_DEBUG 0
#define DIRECTIVE_HEADER "#<SYMEDIT>#\n"
#define DIRECTIVE_IMPORT "IMPORT "
/* Macro to advance 's' until either it reaches 'e' or the
character pointed to by 's' is equal to 'c'. If 'e' is
- reached and DEBUG is enabled then the error message 'm'
+ reached and SYMBIAN_DEBUG is enabled then the error message 'm'
is displayed. */
#define SKIP_UNTIL(s,e,c,m) \
do \
++ s; \
if (s >= e) \
{ \
- if (DEBUG) \
+ if (SYMBIAN_DEBUG) \
fprintf (stderr, "Corrupt directive: %s\n", m); \
result = FALSE; \
} \
++ s; \
if (s >= e) \
{ \
- if (DEBUG) \
+ if (SYMBIAN_DEBUG) \
fprintf (stderr, "Corrupt directive: %s\n", m); \
result = FALSE; \
} \
/* Macro to advance 's' until either it reaches 'e' or the
character pointed to by 's' is not equal to 'c'. If 'e'
- is reached and DEBUG is enabled then the error message
+ is reached and SYMBIAN_DEBUG is enabled then the error message
'm' is displayed. */
#define SKIP_WHILE(s,e,c,m) \
do \
++ s; \
if (s >= e) \
{ \
- if (DEBUG) \
+ if (SYMBIAN_DEBUG) \
fprintf (stderr, "Corrupt directive: %s\n", m); \
result = FALSE; \
} \
struct elf_link_hash_entry * new_hash;
symbol_rename * node;
- if (DEBUG)
+ if (SYMBIAN_DEBUG)
fprintf (stderr, "IMPORT '%s' AS '%s'\n", current_name, new_name);
for (node = rename_list; node; node = node->next)
bfd_set_error (bfd_error_invalid_operation);
_bfd_error_handler (_("%B: IMPORT AS directive for %s conceals previous IMPORT AS"),
abfd, current_name);
- return FALSE;
+ return FALSE;
}
if ((node = bfd_malloc (sizeof * node)) == NULL)
{
- if (DEBUG)
+ if (SYMBIAN_DEBUG)
fprintf (stderr, "IMPORT AS: No mem for new rename node\n");
return FALSE;
}
if ((node->current_name = bfd_malloc (strlen (current_name) + 1)) == NULL)
{
- if (DEBUG)
+ if (SYMBIAN_DEBUG)
fprintf (stderr, "IMPORT AS: No mem for current name field in rename node\n");
free (node);
return FALSE;
}
else
strcpy (node->current_name, current_name);
-
+
if ((node->new_name = bfd_malloc (strlen (new_name) + 1)) == NULL)
{
- if (DEBUG)
+ if (SYMBIAN_DEBUG)
fprintf (stderr, "IMPORT AS: No mem for new name field in rename node\n");
free (node->current_name);
free (node);
static bfd_boolean
sh_symbian_import (bfd * abfd ATTRIBUTE_UNUSED, char * name)
{
- if (DEBUG)
+ if (SYMBIAN_DEBUG)
fprintf (stderr, "IMPORT '%s'\n", name);
/* XXX: Generate an import somehow ? */
static bfd_boolean
sh_symbian_export (bfd * abfd ATTRIBUTE_UNUSED, char * name)
{
- if (DEBUG)
+ if (SYMBIAN_DEBUG)
fprintf (stderr, "EXPORT '%s'\n", name);
/* XXX: Generate an export somehow ? */
break;
case 'I':
- if (strncmp (s, DIRECTIVE_IMPORT, strlen (DIRECTIVE_IMPORT)))
+ if (! CONST_STRNEQ (s, DIRECTIVE_IMPORT))
result = FALSE;
else
{
name_end_char = * new_name_end;
* new_name_end = 0;
- /* Check to see if 'AS '... is present. If se we have an IMPORT AS
- directive, otherwise we have an IMPORT directive. */
- if (strncmp (s, DIRECTIVE_AS, strlen (DIRECTIVE_AS)))
+ /* Check to see if 'AS '... is present. If so we have an
+ IMPORT AS directive, otherwise we have an IMPORT directive. */
+ if (! CONST_STRNEQ (s, DIRECTIVE_AS))
{
/* Skip the new-line at the end of the name. */
- if (DEBUG && name_end_char != '\n')
+ if (SYMBIAN_DEBUG && name_end_char != '\n')
fprintf (stderr, "IMPORT: No newline at end of directive\n");
else
s ++;
/* Skip past the NUL character. */
if (* s ++ != 0)
{
- if (DEBUG)
+ if (SYMBIAN_DEBUG)
fprintf (stderr, "IMPORT: No NUL at end of directive\n");
}
}
SKIP_WHILE (s, e, ' ', "IMPORT AS: Current name just followed by spaces");
/* Skip past the newline character. */
if (* s ++ != '\n')
- if (DEBUG)
+ if (SYMBIAN_DEBUG)
fprintf (stderr, "IMPORT AS: No newline at end of directive\n");
/* Terminate the current name after having performed the skips. */
/* The next character should be a NUL. */
if (* s != 0)
{
- if (DEBUG)
+ if (SYMBIAN_DEBUG)
fprintf (stderr, "IMPORT AS: Junk at end of directive\n");
result = FALSE;
}
break;
case 'E':
- if (strncmp (s, DIRECTIVE_EXPORT, strlen (DIRECTIVE_EXPORT)))
+ if (! CONST_STRNEQ (s, DIRECTIVE_EXPORT))
result = FALSE;
else
{
/* The next character should be a NUL. */
if (* s != 0)
{
- if (DEBUG)
+ if (SYMBIAN_DEBUG)
fprintf (stderr, "EXPORT: Junk at end of directive\n");
result = FALSE;
}
if (! result)
{
- if (DEBUG)
+ if (SYMBIAN_DEBUG)
fprintf (stderr, "offset into .directive section: %ld\n",
(long) (directive - (char *) contents));
-
+
bfd_set_error (bfd_error_invalid_operation);
_bfd_error_handler (_("%B: Unrecognised .directive command: %s"),
abfd, directive);
/* Scan a bfd for a .directive section, and if found process it.
Returns TRUE upon success, FALSE otherwise. */
-bfd_boolean bfd_elf32_sh_symbian_process_directives (struct bfd_link_info *info, bfd * abfd);
-bfd_boolean
-bfd_elf32_sh_symbian_process_directives (struct bfd_link_info *info, bfd * abfd)
+static bfd_boolean
+sh_symbian_process_directives (bfd *abfd, struct bfd_link_info *info)
{
bfd_boolean result = FALSE;
bfd_byte * contents;
if (!contents)
bfd_set_error (bfd_error_no_memory);
- else
+ else
{
if (bfd_get_section_contents (abfd, sec, contents, 0, sz))
result = sh_symbian_process_embedded_commands (info, abfd, sec, contents);
symbol_rename * ptr;
bfd_size_type num_global_syms;
unsigned long num_local_syms;
-
+
BFD_ASSERT (! elf_bad_symtab (input_bfd));
-
+
symtab_hdr = & elf_tdata (input_bfd)->symtab_hdr;
hash_table = elf_hash_table (info);
num_local_syms = symtab_hdr->sh_info;
if (ptr->current_hash == NULL)
{
- if (DEBUG)
+ if (SYMBIAN_DEBUG)
fprintf (stderr, "IMPORT AS: current symbol '%s' does not exist\n", ptr->current_name);
continue;
}
-
- new_hash = elf_link_hash_lookup (hash_table, ptr->new_name, FALSE, FALSE, TRUE);
+ new_hash = elf_link_hash_lookup (hash_table, ptr->new_name,
+ FALSE, FALSE, TRUE);
/* If we could not find the symbol then it is a new, undefined symbol.
Symbian want this behaviour - ie they want to be able to rename the
reference in a reloc from one undefined symbol to another, new and
undefined symbol. So we create that symbol here. */
if (new_hash == NULL)
{
- asection * psec = bfd_und_section_ptr;
- Elf_Internal_Sym new_sym;
- bfd_vma new_value = 0;
- bfd_boolean skip;
- bfd_boolean override;
- bfd_boolean type_change_ok;
- bfd_boolean size_change_ok;
-
- new_sym.st_value = 0;
- new_sym.st_size = 0;
- new_sym.st_name = -1;
- new_sym.st_info = ELF_ST_INFO (STB_GLOBAL, STT_FUNC);
- new_sym.st_other = ELF_ST_VISIBILITY (STV_DEFAULT);
- new_sym.st_shndx = SHN_UNDEF;
-
- if (! _bfd_elf_merge_symbol (input_bfd, info,
- ptr->new_name, & new_sym,
- & psec, & new_value, NULL,
- & new_hash, & skip,
- & override, & type_change_ok,
- & size_change_ok))
+ struct bfd_link_hash_entry *bh = NULL;
+ bfd_boolean collect = get_elf_backend_data (input_bfd)->collect;
+ if (_bfd_generic_link_add_one_symbol (info, input_bfd,
+ ptr->new_name, BSF_GLOBAL,
+ bfd_und_section_ptr, 0,
+ NULL, FALSE, collect,
+ &bh))
{
- _bfd_error_handler (_("%B: Failed to add renamed symbol %s"),
- input_bfd, ptr->new_name);
- continue;
- }
- /* XXX - should we check psec, skip, override etc ? */
+ new_hash = (struct elf_link_hash_entry *) bh;
+ new_hash->type = STT_FUNC;
+ new_hash->non_elf = 0;
- new_hash->root.type = bfd_link_hash_undefined;
-
- /* Allow the symbol to become local if necessary. */
- if (new_hash->dynindx == -1)
- new_hash->def_regular = 1;
+ if (SYMBIAN_DEBUG)
+ fprintf (stderr, "Created new symbol %s\n", ptr->new_name);
+ }
+ }
- if (DEBUG)
- fprintf (stderr, "Created new symbol %s\n", ptr->new_name);
+ if (new_hash == NULL)
+ {
+ _bfd_error_handler (_("%B: Failed to add renamed symbol %s"),
+ input_bfd, ptr->new_name);
+ continue;
}
/* Convert the new_hash value into a index into the table of symbol hashes. */
if (* h == new_hash)
{
ptr->new_symndx = h - sym_hashes + num_local_syms;
- if (DEBUG)
+ if (SYMBIAN_DEBUG)
fprintf (stderr, "Converted new hash to index of %ld\n", ptr->new_symndx);
break;
}
new_sym_hashes = bfd_alloc (input_bfd, num_global_syms * sizeof * sym_hashes);
if (new_sym_hashes == NULL)
{
- if (DEBUG)
+ if (SYMBIAN_DEBUG)
fprintf (stderr, "Out of memory extending hash table\n");
continue;
}
ptr->new_symndx = num_global_syms - 1 + num_local_syms;
- if (DEBUG)
+ if (SYMBIAN_DEBUG)
fprintf (stderr, "Extended symbol hash table to insert new symbol as index %ld\n",
ptr->new_symndx);
}
int r_type;
unsigned long r_symndx;
struct elf_link_hash_entry * h;
-
+
r_symndx = ELF32_R_SYM (rel->r_info);
r_type = ELF32_R_TYPE (rel->r_info);
if (h == ptr->current_hash)
{
BFD_ASSERT (ptr->new_symndx);
- if (DEBUG)
+ if (SYMBIAN_DEBUG)
fprintf (stderr, "convert reloc %lx from using index %ld to using index %ld\n",
- (long) rel->r_info, (long) ELF32_R_SYM (rel->r_info), ptr->new_symndx);
+ (unsigned long) rel->r_info,
+ (long) ELF32_R_SYM (rel->r_info), ptr->new_symndx);
rel->r_info = ELF32_R_INFO (ptr->new_symndx, r_type);
break;
}
}
}
-
+
return sh_elf_relocate_section (output_bfd, info, input_bfd, input_section,
contents, relocs, local_syms, local_sections);
}
-static bfd_boolean
-sh_symbian_check_directives (bfd *abfd, struct bfd_link_info *info)
-{
- return bfd_elf32_sh_symbian_process_directives (info, abfd);
-}
-
-#define TARGET_LITTLE_SYM bfd_elf32_shl_symbian_vec
+#define TARGET_LITTLE_SYM sh_elf32_symbian_le_vec
#define TARGET_LITTLE_NAME "elf32-shl-symbian"
#undef elf_backend_relocate_section
#define elf_backend_relocate_section sh_symbian_relocate_section
#undef elf_backend_check_directives
-#define elf_backend_check_directives sh_symbian_check_directives
+#define elf_backend_check_directives sh_symbian_process_directives
#include "elf32-target.h"
projects / deliverable / binutils-gdb.git / blobdiff