/* BFD backend for hp-ux 9000/300
- Copyright (C) 1990, 1991, 1994 Free Software Foundation, Inc.
+ Copyright 1990, 1991, 1993, 1994, 1995, 1997, 2000, 2001
+ Free Software Foundation, Inc.
Written by Glenn Engel.
This file is part of BFD, the Binary File Descriptor library.
| hp300hpux bfd | ----------> hpux w/gnu ext
hpux w/gnu extension ----> | |
-
Support for the 9000/[34]00 has several limitations.
1. Shared libraries are not supported.
2. The output format from this bfd is not usable by native tools.
obj_datasec (abfd)->vma = N_DATADDR (*execp);
obj_bsssec (abfd)->vma = N_BSSADDR (*execp);
+ obj_textsec (abfd)->lma = obj_textsec (abfd)->vma;
+ obj_datasec (abfd)->lma = obj_datasec (abfd)->vma;
+ obj_bsssec (abfd)->lma = obj_bsssec (abfd)->vma;
+
/* The file offsets of the sections */
obj_textsec (abfd)->filepos = N_TXTOFF (*execp);
obj_datasec (abfd)->filepos = N_DATOFF (*execp);
bfd_default_set_arch_mach (abfd, DEFAULT_ARCH, 0);
#endif
-
if (obj_aout_subformat (abfd) == gnu_encap_format)
{
/* The file offsets of the relocation info */
file_ptr text_end;
memset (&exec_bytes, 0, sizeof (exec_bytes));
-#if CHOOSE_RELOC_SIZE
- CHOOSE_RELOC_SIZE (abfd);
-#else
+
obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;
-#endif
if (adata (abfd).magic == undecided_magic)
NAME (aout,adjust_sizes_and_vmas) (abfd, &text_size, &text_end);
static void
convert_sym_type (sym_pointer, cache_ptr, abfd)
- struct external_nlist *sym_pointer;
+ struct external_nlist *sym_pointer ATTRIBUTE_UNUSED;
aout_symbol_type *cache_ptr;
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
{
int name_type;
int new_type;
new_type |= N_EXT;
if (name_type & HP_SECONDARY_SYMBOL)
- new_type = (new_type & ~N_TYPE) | N_INDR;
+ {
+ switch (new_type)
+ {
+ default:
+ abort ();
+ case N_UNDF | N_EXT:
+ /* If the value is nonzero, then just treat this as a
+ common symbol. I don't know if this is correct in
+ all cases, but it is more correct than treating it as
+ a weak undefined symbol. */
+ if (cache_ptr->symbol.value == 0)
+ new_type = N_WEAKU;
+ break;
+ case N_ABS | N_EXT:
+ new_type = N_WEAKA;
+ break;
+ case N_TEXT | N_EXT:
+ new_type = N_WEAKT;
+ break;
+ case N_DATA | N_EXT:
+ new_type = N_WEAKD;
+ break;
+ case N_BSS | N_EXT:
+ new_type = N_WEAKB;
+ break;
+ }
+ }
}
cache_ptr->type = new_type;
}
-
/*
DESCRIPTION
Swaps the information in an executable header taken from a raw
rawptr = (struct aout_data_struct *) bfd_zalloc (abfd, sizeof (*rawptr));
if (rawptr == NULL)
- {
- bfd_set_error (bfd_error_no_memory);
- return;
- }
+ return;
abfd->tdata.aout_data = rawptr;
obj_aout_subformat (abfd) = gnu_encap_format;
}
while (0);
}
-
/* The hp symbol table is a bit different than other a.out targets. Instead
of having an array of nlist items and an array of strings, hp's format
has them mixed together in one structure. In addition, the strings are
char *strings;
aout_symbol_type *cached;
unsigned num_syms = 0;
- unsigned num_secondary = 0;
/* If there's no work to be done, don't do any */
if (obj_aout_symbols (abfd) != (aout_symbol_type *) NULL)
strings = (char *) bfd_alloc (abfd,
symbol_bytes + SYM_EXTRA_BYTES);
if (!strings)
- {
- bfd_set_error (bfd_error_no_memory);
- return false;
- }
+ return false;
syms = (struct external_nlist *) (strings + SYM_EXTRA_BYTES);
if (bfd_seek (abfd, obj_sym_filepos (abfd), SEEK_SET) != 0
|| bfd_read ((PTR) syms, symbol_bytes, 1, abfd) != symbol_bytes)
return false;
}
-
sym_end = (struct external_nlist *) (((char *) syms) + symbol_bytes);
/* first, march thru the table and figure out how many symbols there are */
for (sym_pointer = syms; sym_pointer < sym_end; sym_pointer++, num_syms++)
{
- if (bfd_get_8 (abfd, sym_pointer->e_type) & HP_SECONDARY_SYMBOL)
- num_secondary++;
/* skip over the embedded symbol. */
sym_pointer = (struct external_nlist *) (((char *) sym_pointer) +
sym_pointer->e_length[0]);
}
/* now that we know the symbol count, update the bfd header */
- bfd_get_symcount (abfd) = num_syms + num_secondary;
+ bfd_get_symcount (abfd) = num_syms;
cached = ((aout_symbol_type *)
bfd_zalloc (abfd,
bfd_get_symcount (abfd) * sizeof (aout_symbol_type)));
if (cached == NULL && bfd_get_symcount (abfd) != 0)
- {
- bfd_set_error (bfd_error_no_memory);
- return false;
- }
+ return false;
/* as we march thru the hp symbol table, convert it into a list of
null terminated strings to hold the symbol names. Make sure any
assignment to the strings pointer is done after we're thru using
the nlist so we don't overwrite anything important. */
- num_secondary = 0;
/* OK, now walk the new symtable, cacheing symbol properties */
{
else
cache_ptr->symbol.name = (char *) NULL;
- /**********************************************************/
- /* this is a bit of a kludge, but a secondary hp symbol */
- /* gets translated into a gnu indirect symbol. When this */
- /* happens, we need to create a "dummy" record to which */
- /* we can point the indirect symbol to. */
- /**********************************************************/
- if ((cache_ptr->type | N_EXT) == (N_INDR | N_EXT))
- {
- aout_symbol_type *cache_ptr2 = cached + num_syms + num_secondary;
-
- num_secondary++;
-
- /* aoutx.h assumes the "next" value is the indirect sym */
- /* since we don't want to disturb the order by inserting */
- /* a new symbol, we tack on the created secondary syms */
- /* at the end. */
- cache_ptr->symbol.value = (bfd_vma) (cache_ptr2);
- *cache_ptr2 = cache_save;
- cache_ptr2->symbol.name = strings;
- memcpy (strings, cache_ptr->symbol.name, length);
- strcpy (strings + length, ":secondry"); /* 9 max chars + null */
- strings += length + 10;
- cache_ptr2->type &= ~HP_SECONDARY_SYMBOL; /* clear secondary */
- convert_sym_type (sym_pointer, cache_ptr2, abfd);
- if (!translate_from_native_sym_flags (abfd, cache_ptr2))
- return false;
- }
-
/* skip over the embedded symbol. */
sym_pointer = (struct external_nlist *) (((char *) sym_pointer) +
length);
return true;
}
-
-
void
MY (swap_std_reloc_in) (abfd, bytes, cache_ptr, symbols, symcount)
bfd *abfd;
struct hp300hpux_reloc *bytes;
arelent *cache_ptr;
asymbol **symbols;
- bfd_size_type symcount;
+ bfd_size_type symcount ATTRIBUTE_UNUSED;
{
int r_index;
int r_extern = 0;
count = reloc_size / each_size;
-
reloc_cache = (arelent *) bfd_zalloc (abfd, (size_t) (count * sizeof
(arelent)));
if (!reloc_cache && count != 0)
- {
- nomem:
- bfd_set_error (bfd_error_no_memory);
- return false;
- }
+ return false;
relocs = (PTR) bfd_alloc (abfd, reloc_size);
if (!relocs && reloc_size != 0)
{
bfd_release (abfd, reloc_cache);
- goto nomem;
+ return false;
}
if (bfd_read (relocs, 1, reloc_size, abfd) != reloc_size)
bfd_get_symcount (abfd));
}
-
bfd_release (abfd, relocs);
asect->relocation = reloc_cache;
asect->reloc_count = count;
return true;
}
-
/************************************************************************/
/* The following functions are identical to functions in aoutx.h except */
/* they refer to MY(func) rather than NAME(aout,func) and they also */
return (bfd_get_symcount (abfd) + 1) * (sizeof (aout_symbol_type *));
}
-
-
-
long
MY (canonicalize_reloc) (abfd, section, relptr, symbols)
bfd *abfd;
return section->reloc_count;
}
-
#include "aout-target.h"
projects / deliverable / binutils-gdb.git / blobdiff