/* BFD back-end for linux flavored i386 a.out binaries.
- Copyright 1992, 1993, 1994, 1995, 1996, 1997, 2001
+ Copyright 1992, 1993, 1994, 1995, 1996, 1997, 2001, 2002, 2003
Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
#define SEGMENT_SIZE TARGET_PAGE_SIZE
#define TEXT_START_ADDR 0x0
#define N_SHARED_LIB(x) 0
-#define BYTES_IN_WORD 4
#define MACHTYPE_OK(mtype) ((mtype) == M_386 || (mtype) == M_UNKNOWN)
static void MY_final_link_callback
PARAMS ((bfd *, file_ptr *, file_ptr *, file_ptr *));
-static boolean i386linux_bfd_final_link
+static bfd_boolean i386linux_bfd_final_link
PARAMS ((bfd *, struct bfd_link_info *));
-static boolean i386linux_write_object_contents PARAMS ((bfd *));
+static bfd_boolean i386linux_write_object_contents PARAMS ((bfd *));
-static boolean
+static bfd_boolean
i386linux_bfd_final_link (abfd, info)
bfd *abfd;
struct bfd_link_info *info;
/* Set the machine type correctly. */
-static boolean
+static bfd_boolean
i386linux_write_object_contents (abfd)
bfd *abfd;
{
WRITE_HEADERS(abfd, execp);
- return true;
+ return TRUE;
}
#define MY_write_object_contents i386linux_write_object_contents
static struct fixup *new_fixup
PARAMS ((struct bfd_link_info *, struct linux_link_hash_entry *,
bfd_vma, int));
-static boolean linux_link_create_dynamic_sections
+static bfd_boolean linux_link_create_dynamic_sections
PARAMS ((bfd *, struct bfd_link_info *));
-static boolean linux_add_one_symbol
+static bfd_boolean linux_add_one_symbol
PARAMS ((struct bfd_link_info *, bfd *, const char *, flagword, asection *,
- bfd_vma, const char *, boolean, boolean,
+ bfd_vma, const char *, bfd_boolean, bfd_boolean,
struct bfd_link_hash_entry **));
-static boolean linux_tally_symbols
+static bfd_boolean linux_tally_symbols
PARAMS ((struct linux_link_hash_entry *, PTR));
-static boolean linux_finish_dynamic_link
+static bfd_boolean linux_finish_dynamic_link
PARAMS ((bfd *, struct bfd_link_info *));
/* Routine to create an entry in an Linux link hash table. */
#define linux_link_hash_traverse(table, func, info) \
(aout_link_hash_traverse \
(&(table)->root, \
- (boolean (*) PARAMS ((struct aout_link_hash_entry *, PTR))) (func), \
+ (bfd_boolean (*) PARAMS ((struct aout_link_hash_entry *, PTR))) (func), \
(info)))
/* Get the Linux link hash table from the info structure. This is
know the size of the section, but that's OK - we just need to
create it for now. */
-static boolean
+static bfd_boolean
linux_link_create_dynamic_sections (abfd, info)
bfd *abfd;
struct bfd_link_info *info ATTRIBUTE_UNUSED;
if (s == NULL
|| ! bfd_set_section_flags (abfd, s, flags)
|| ! bfd_set_section_alignment (abfd, s, 2))
- return false;
+ return FALSE;
s->_raw_size = 0;
s->contents = 0;
- return true;
+ return TRUE;
}
/* Function to add a single symbol to the linker hash table. This is
a wrapper around _bfd_generic_link_add_one_symbol which handles the
tweaking needed for dynamic linking support. */
-static boolean
+static bfd_boolean
linux_add_one_symbol (info, abfd, name, flags, section, value, string,
copy, collect, hashp)
struct bfd_link_info *info;
asection *section;
bfd_vma value;
const char *string;
- boolean copy;
- boolean collect;
+ bfd_boolean copy;
+ bfd_boolean collect;
struct bfd_link_hash_entry **hashp;
{
struct linux_link_hash_entry *h;
- boolean insert;
+ bfd_boolean insert;
/* Look up and see if we already have this symbol in the hash table.
If we do, and the defining entry is from a shared library, we
be able to link Linux a.out and ELF objects together, but serious
confusion is possible. */
- insert = false;
+ insert = FALSE;
if (! info->relocateable
&& linux_hash_table (info)->dynobj == NULL
&& abfd->xvec == info->hash->creator)
{
if (! linux_link_create_dynamic_sections (abfd, info))
- return false;
+ return FALSE;
linux_hash_table (info)->dynobj = abfd;
- insert = true;
+ insert = TRUE;
}
if (bfd_is_abs_section (section)
&& abfd->xvec == info->hash->creator)
{
- h = linux_link_hash_lookup (linux_hash_table (info), name, false,
- false, false);
+ h = linux_link_hash_lookup (linux_hash_table (info), name, FALSE,
+ FALSE, FALSE);
if (h != NULL
&& (h->root.root.type == bfd_link_hash_defined
|| h->root.root.type == bfd_link_hash_defweak))
f = new_fixup (info, h, value, ! IS_PLT_SYM (name));
if (f == NULL)
- return false;
+ return FALSE;
f->jump = IS_PLT_SYM (name);
- return true;
+ return TRUE;
}
}
if (! _bfd_generic_link_add_one_symbol (info, abfd, name, flags, section,
value, string, copy, collect,
hashp))
- return false;
+ return FALSE;
/* Insert a pointer to our table in the set vector. The dynamic
linker requires this information */
if (! (_bfd_generic_link_add_one_symbol
(info, linux_hash_table (info)->dynobj, SHARABLE_CONFLICTS,
BSF_GLOBAL | BSF_CONSTRUCTOR, s, (bfd_vma) 0, NULL,
- false, false, NULL)))
- return false;
+ FALSE, FALSE, NULL)))
+ return FALSE;
}
- return true;
+ return TRUE;
}
/* We will crawl the hash table and come here for every global symbol.
This function is called via linux_link_hash_traverse. */
-static boolean
+static bfd_boolean
linux_tally_symbols (h, data)
struct linux_link_hash_entry *h;
PTR data;
struct fixup *f, *f1;
int is_plt;
struct linux_link_hash_entry *h1, *h2;
- boolean exists;
+ bfd_boolean exists;
+
+ if (h->root.root.type == bfd_link_hash_warning)
+ h = (struct linux_link_hash_entry *) h->root.root.u.i.link;
if (h->root.root.type == bfd_link_hash_undefined
&& strncmp (h->root.root.root.string, NEEDS_SHRLIB,
h1 = linux_link_hash_lookup (linux_hash_table (info),
(h->root.root.root.string
+ sizeof PLT_REF_PREFIX - 1),
- false, false, true);
+ FALSE, FALSE, TRUE);
/* h2 does not follow indirect symbols. */
h2 = linux_link_hash_lookup (linux_hash_table (info),
(h->root.root.root.string
+ sizeof PLT_REF_PREFIX - 1),
- false, false, false);
+ FALSE, FALSE, FALSE);
/* The real symbol must exist but if it is also an ABS symbol,
there is no need to have a fixup. This is because they both
involving this symbol. If so, convert it to a regular
fixup. In the end, this relaxes some of the requirements
about the order of performing fixups. */
- exists = false;
+ exists = FALSE;
for (f1 = linux_hash_table (info)->fixup_list;
f1 != NULL;
f1 = f1->next)
|| (! f1->builtin && ! f1->jump))
continue;
if (f1->h == h1)
- exists = true;
+ exists = TRUE;
if (! exists
&& bfd_is_abs_section (h->root.root.u.def.section))
{
f1->h = h1;
f1->jump = is_plt;
f1->builtin = 0;
- exists = true;
+ exists = TRUE;
}
if (! exists
&& bfd_is_abs_section (h->root.root.u.def.section))
/* Quick and dirty way of stripping these symbols from the
symtab. */
if (bfd_is_abs_section (h->root.root.u.def.section))
- h->root.written = true;
+ h->root.written = TRUE;
}
- return true;
+ return TRUE;
}
/* This is called to set the size of the .linux-dynamic section is.
we just scan the hash tables to find out how many additional fixups
are required. */
-boolean
+bfd_boolean
bfd_i386linux_size_dynamic_sections (output_bfd, info)
bfd *output_bfd;
struct bfd_link_info *info;
asection *s;
if (output_bfd->xvec != &MY(vec))
- return true;
+ return TRUE;
/* First find the fixups... */
linux_link_hash_traverse (linux_hash_table (info),
{
if (linux_hash_table (info)->fixup_count > 0)
abort ();
- return true;
+ return TRUE;
}
/* Allocate memory for our fixup table. We will fill it in later. */
{
s->_raw_size = linux_hash_table (info)->fixup_count + 1;
s->_raw_size *= 8;
- s->contents = (bfd_byte *) bfd_alloc (output_bfd, s->_raw_size);
+ s->contents = (bfd_byte *) bfd_zalloc (output_bfd, s->_raw_size);
if (s->contents == NULL)
- return false;
- memset (s->contents, 0, (size_t) s->_raw_size);
+ return FALSE;
}
- return true;
+ return TRUE;
}
/* We come here once we are ready to actually write the fixup table to
the output file. Scan the fixup tables and so forth and generate
the stuff we need. */
-static boolean
+static bfd_boolean
linux_finish_dynamic_link (output_bfd, info)
bfd *output_bfd;
struct bfd_link_info *info;
unsigned int fixups_written;
if (linux_hash_table (info)->dynobj == NULL)
- return true;
+ return TRUE;
s = bfd_get_section_by_name (linux_hash_table (info)->dynobj,
".linux-dynamic");
h = linux_link_hash_lookup (linux_hash_table (info),
"__BUILTIN_FIXUPS__",
- false, false, false);
+ FALSE, FALSE, FALSE);
if (h != NULL
&& (h->root.root.type == bfd_link_hash_defined
if (bfd_seek (output_bfd, (file_ptr) (os->filepos + s->output_offset),
SEEK_SET) != 0)
- return false;
+ return FALSE;
if (bfd_bwrite ((PTR) s->contents, s->_raw_size, output_bfd) != s->_raw_size)
- return false;
+ return FALSE;
- return true;
+ return TRUE;
}
#define MY_bfd_link_hash_table_create linux_link_hash_table_create
projects / deliverable / binutils-gdb.git / blobdiff