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-rw-r--r--contrib/binutils/bfd/binary.c59
1 files changed, 42 insertions, 17 deletions
diff --git a/contrib/binutils/bfd/binary.c b/contrib/binutils/bfd/binary.c
index 8fcbadc..c2980b0 100644
--- a/contrib/binutils/bfd/binary.c
+++ b/contrib/binutils/bfd/binary.c
@@ -1,5 +1,5 @@
/* BFD back-end for binary objects.
- Copyright 1994, 95, 96, 97, 1998 Free Software Foundation, Inc.
+ Copyright 1994, 95, 96, 97, 98, 1999 Free Software Foundation, Inc.
Written by Ian Lance Taylor, Cygnus Support, <ian@cygnus.com>
This file is part of BFD, the Binary File Descriptor library.
@@ -58,7 +58,7 @@ static int binary_sizeof_headers PARAMS ((bfd *, boolean));
static boolean
binary_mkobject (abfd)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
{
return true;
}
@@ -112,7 +112,7 @@ binary_object_p (abfd)
static boolean
binary_get_section_contents (abfd, section, location, offset, count)
bfd *abfd;
- asection *section;
+ asection *section ATTRIBUTE_UNUSED;
PTR location;
file_ptr offset;
bfd_size_type count;
@@ -127,7 +127,7 @@ binary_get_section_contents (abfd, section, location, offset, count)
static long
binary_get_symtab_upper_bound (abfd)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
{
return (BIN_SYMS + 1) * sizeof (asymbol *);
}
@@ -222,7 +222,7 @@ binary_make_empty_symbol (abfd)
static void
binary_get_symbol_info (ignore_abfd, symbol, ret)
- bfd *ignore_abfd;
+ bfd *ignore_abfd ATTRIBUTE_UNUSED;
asymbol *symbol;
symbol_info *ret;
{
@@ -255,14 +255,6 @@ binary_set_section_contents (abfd, sec, data, offset, size)
file_ptr offset;
bfd_size_type size;
{
- /* We don't want to output anything for a section that is neither
- loaded nor allocated. The contents of such a section are not
- meaningful in the binary format. */
- if ((sec->flags & (SEC_LOAD | SEC_ALLOC)) == 0)
- return true;
- if ((sec->flags & SEC_NEVER_LOAD) != 0)
- return true;
-
if (! abfd->output_has_begun)
{
boolean found_low;
@@ -275,7 +267,8 @@ binary_set_section_contents (abfd, sec, data, offset, size)
found_low = false;
low = 0;
for (s = abfd->sections; s != NULL; s = s->next)
- if (((s->flags & (SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC))
+ if (((s->flags
+ & (SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC | SEC_NEVER_LOAD))
== (SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC))
&& (! found_low || s->lma < low))
{
@@ -284,11 +277,40 @@ binary_set_section_contents (abfd, sec, data, offset, size)
}
for (s = abfd->sections; s != NULL; s = s->next)
- s->filepos = s->lma - low;
+ {
+ s->filepos = s->lma - low;
+
+ /* Skip following warning check for sections that will not
+ occupy file space. */
+ if ((s->flags
+ & (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_NEVER_LOAD))
+ != (SEC_HAS_CONTENTS | SEC_ALLOC))
+ continue;
+
+ /* If attempting to generate a binary file from a bfd with
+ LMA's all over the place, huge (sparse?) binary files may
+ result. This condition attempts to detect this situation
+ and print a warning. Better heuristics would be nice to
+ have. */
+
+ if (s->filepos < 0)
+ (*_bfd_error_handler)
+ (_("Warning: Writing section `%s' to huge (ie negative) file offset 0x%lx."),
+ bfd_get_section_name (abfd, s),
+ (unsigned long) s->filepos);
+ }
abfd->output_has_begun = true;
}
+ /* We don't want to output anything for a section that is neither
+ loaded nor allocated. The contents of such a section are not
+ meaningful in the binary format. */
+ if ((sec->flags & (SEC_LOAD | SEC_ALLOC)) == 0)
+ return true;
+ if ((sec->flags & SEC_NEVER_LOAD) != 0)
+ return true;
+
return _bfd_generic_set_section_contents (abfd, sec, data, offset, size);
}
@@ -296,8 +318,8 @@ binary_set_section_contents (abfd, sec, data, offset, size)
static int
binary_sizeof_headers (abfd, exec)
- bfd *abfd;
- boolean exec;
+ bfd *abfd ATTRIBUTE_UNUSED;
+ boolean exec ATTRIBUTE_UNUSED;
{
return 0;
}
@@ -305,6 +327,7 @@ binary_sizeof_headers (abfd, exec)
#define binary_bfd_get_relocated_section_contents \
bfd_generic_get_relocated_section_contents
#define binary_bfd_relax_section bfd_generic_relax_section
+#define binary_bfd_gc_sections bfd_generic_gc_sections
#define binary_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
#define binary_bfd_link_add_symbols _bfd_generic_link_add_symbols
#define binary_bfd_final_link _bfd_generic_final_link
@@ -359,5 +382,7 @@ const bfd_target binary_vec =
BFD_JUMP_TABLE_LINK (binary),
BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
+ NULL,
+
NULL
};
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