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* som.c (hppa_som_gen_reloc_type): New function.

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(som_bfd_reloc_type_lookup): New function.
This commit is contained in:
Jeff Law 1993-11-13 00:28:06 +00:00
parent 537eba71b1
commit 32619c583f
2 changed files with 87 additions and 1 deletions
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3
bfd/ChangeLog
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@ -1,5 +1,8 @@
Fri Nov 12 15:29:36 1993 Jeffrey A. Law (law@snake.cs.utah.edu)
* som.c (hppa_som_gen_reloc_type): New function.
(som_bfd_reloc_type_lookup): New function.
* som.c (try_prev_fixup): New function.
(som_reloc_skip): New function.
(som_reloc_addend): New function.

85
bfd/som.c
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@ -700,7 +700,90 @@ hppa_som_reloc (abfd, reloc_entry, symbol_in, data, input_section, output_bfd)
}
return bfd_reloc_ok;
}
/* Given a generic HPPA relocation type, the instruction format,
and a field selector, return an appropriate SOM reloation.
FIXME. Need to handle %RR, %LR and the like as field selectors.
These will need to generate multiple SOM relocations. */
int **
hppa_som_gen_reloc_type (abfd, base_type, format, field)
bfd *abfd;
int base_type;
int format;
int field;
{
int *final_type, **final_types;
final_types = (int **) bfd_alloc_by_size_t (abfd, sizeof (int *) * 2);
final_type = (int *) bfd_alloc_by_size_t (abfd, sizeof (int));
final_types[0] = final_type;
final_types[1] = NULL;
/* Default to the basic relocation passed in. */
*final_type = base_type;
switch (base_type)
{
case R_HPPA:
/* PLABELs get their own relocation type. */
if (field == e_psel
|| field == e_lpsel
|| field == e_rpsel)
{
/* A PLABEL relocation that has a size of 32 bits must
be a R_DATA_PLABEL. All others are R_CODE_PLABELs. */
if (format == 32)
*final_type = R_DATA_PLABEL;
else
*final_type = R_CODE_PLABEL;
}
/* A relocatoin in the data space is always a full 32bits. */
else if (format == 32)
*final_type = R_DATA_ONE_SYMBOL;
break;
case R_HPPA_GOTOFF:
/* More PLABEL special cases. */
if (field == e_psel
|| field == e_lpsel
|| field == e_rpsel)
*final_type = R_DATA_PLABEL;
break;
case R_HPPA_NONE:
case R_HPPA_ABS_CALL:
case R_HPPA_PCREL_CALL:
case R_HPPA_COMPLEX:
case R_HPPA_COMPLEX_PCREL_CALL:
case R_HPPA_COMPLEX_ABS_CALL:
/* Right now we can default all these. */
break;
}
return final_types;
}
/* Return the address of the correct entry in the PA SOM relocation
howto table. */
static reloc_howto_type *
som_bfd_reloc_type_lookup (arch, code)
bfd_arch_info_type *arch;
bfd_reloc_code_real_type code;
{
if ((int) code < (int) R_NO_RELOCATION + 255)
{
BFD_ASSERT ((int) som_hppa_howto_table[(int) code].type == (int) code);
return &som_hppa_howto_table[(int) code];
}
return (reloc_howto_type *) 0;
}
/* Perform some initialization for an object. Save results of this
initialization in the BFD. */