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* coff-h8300.c: Include libiberty.h.

Browse Source 
(h8300_reloc16_extra_cases): Check the hash table creator before
	referencing h8300 specific fields.  Stash the hash table pointer
	in a local var.  Comment typo fixes.
	(h8300_bfd_link_add_symbols): Likewise.
This commit is contained in:
Alan Modra 2002-12-19 01:58:53 +00:00
parent 062b7c0c14
commit 0171ee92b2
2 changed files with 62 additions and 34 deletions
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6
bfd/ChangeLog
View File

@ -1,5 +1,11 @@
2002-12-19 Alan Modra <amodra@bigpond.net.au>
* coff-h8300.c: Include libiberty.h.
(h8300_reloc16_extra_cases): Check the hash table creator before
referencing h8300 specific fields. Stash the hash table pointer
in a local var. Comment typo fixes.
(h8300_bfd_link_add_symbols): Likewise.
* bfd/reloc.c (struct reloc_howto_struct): Revise src_mask and
dst_mask comments.
* bfd-in2.h: Regenerate.

90
bfd/coff-h8300.c
View File

@ -28,6 +28,7 @@
#include "coff/h8300.h"
#include "coff/internal.h"
#include "libcoff.h"
#include "libiberty.h"
#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (1)
@ -65,7 +66,7 @@ funcvec_hash_newfunc
static bfd_boolean
funcvec_hash_table_init
PARAMS ((struct funcvec_hash_table *, bfd *,
struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
struct bfd_hash_table *,
const char *)));
@ -137,8 +138,8 @@ funcvec_hash_newfunc (entry, gen_table, string)
subclass. */
if (ret == NULL)
ret = ((struct funcvec_hash_entry *)
bfd_hash_allocate (gen_table,
sizeof (struct funcvec_hash_entry)));
bfd_hash_allocate (gen_table,
sizeof (struct funcvec_hash_entry)));
if (ret == NULL)
return NULL;
@ -516,16 +517,16 @@ h8300_reloc16_estimate (abfd, input_section, reloc, shrink, link_info)
Only perform this optimisation for jumps (code 0x5a) not
subroutine calls, as otherwise it could transform:
mov.w r0,r0
beq .L1
jsr @_bar
.L1: rts
_bar: rts
mov.w r0,r0
beq .L1
jsr @_bar
.L1: rts
_bar: rts
into:
mov.w r0,r0
bne _bar
rts
_bar: rts
mov.w r0,r0
bne _bar
rts
_bar: rts
which changes the call (jsr) into a branch (bne). */
if (code == 0x5a
@ -564,7 +565,7 @@ h8300_reloc16_estimate (abfd, input_section, reloc, shrink, link_info)
pc-relative branch. */
case R_PCRWORD:
/* Get the address of the target of this branch, add one to the value
because the addend field in PCrel jumps is off by -1. */
because the addend field in PCrel jumps is off by -1. */
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section) + 1;
/* Get the address of the next instruction if we were to relax. */
@ -649,7 +650,7 @@ h8300_reloc16_estimate (abfd, input_section, reloc, shrink, link_info)
value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
/* If this address is in 0x0000..0x7fff inclusive or
0xff8000..0xffffff inclusive, then it can be relaxed. */
0xff8000..0xffffff inclusive, then it can be relaxed. */
if (value <= 0x7fff || value >= 0xff8000)
{
/* Change the reloc type. */
@ -1091,7 +1092,25 @@ h8300_reloc16_extra_cases (abfd, link_info, link_order, reloc, data, src_ptr,
const char *name;
struct funcvec_hash_table *ftab;
struct funcvec_hash_entry *h;
asection *vectors_sec = h8300_coff_hash_table (link_info)->vectors_sec;
struct h8300_coff_link_hash_table *htab;
asection *vectors_sec;
if (link_info->hash->creator != abfd->xvec)
{
(*_bfd_error_handler)
(_("cannot handle R_MEM_INDIRECT reloc when using %s output"),
link_info->hash->creator->name);
/* What else can we do? This function doesn't allow return
of an error, and we don't want to call abort as that
indicates an internal error. */
#ifndef EXIT_FAILURE
#define EXIT_FAILURE 1
#endif
xexit (EXIT_FAILURE);
}
htab = h8300_coff_hash_table (link_info);
vectors_sec = htab->vectors_sec;
/* First see if this is a reloc against the absolute symbol
or against a symbol with a nonnegative value <= 0xff. */
@ -1140,12 +1159,12 @@ h8300_reloc16_extra_cases (abfd, link_info, link_order, reloc, data, src_ptr,
name = new_name;
}
ftab = h8300_coff_hash_table (link_info)->funcvec_hash_table;
ftab = htab->funcvec_hash_table;
h = funcvec_hash_lookup (ftab, name, FALSE, FALSE);
/* This shouldn't ever happen. If it does that means we've got
data corruption of some kind. Aborting seems like a reasonable
think to do here. */
thing to do here. */
if (h == NULL || vectors_sec == NULL)
abort ();
@ -1214,24 +1233,30 @@ h8300_bfd_link_add_symbols (abfd, info)
asection *sec;
struct funcvec_hash_table *funcvec_hash_table;
bfd_size_type amt;
struct h8300_coff_link_hash_table *htab;
/* Add the symbols using the generic code. */
_bfd_generic_link_add_symbols (abfd, info);
if (info->hash->creator != abfd->xvec)
return TRUE;
htab = h8300_coff_hash_table (info);
/* If we haven't created a vectors section, do so now. */
if (!h8300_coff_hash_table (info)->vectors_sec)
if (!htab->vectors_sec)
{
flagword flags;
/* Make sure the appropriate flags are set, including SEC_IN_MEMORY. */
flags = (SEC_ALLOC | SEC_LOAD
| SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_READONLY);
h8300_coff_hash_table (info)->vectors_sec = bfd_make_section (abfd,
".vectors");
htab->vectors_sec = bfd_make_section (abfd, ".vectors");
/* If the section wasn't created, or we couldn't set the flags,
quit quickly now, rather than dieing a painful death later. */
if (! h8300_coff_hash_table (info)->vectors_sec
|| ! bfd_set_section_flags (abfd,
h8300_coff_hash_table(info)->vectors_sec,
flags))
quit quickly now, rather than dying a painful death later. */
if (!htab->vectors_sec
|| !bfd_set_section_flags (abfd, htab->vectors_sec, flags))
return FALSE;
/* Also create the vector hash table. */
@ -1250,14 +1275,11 @@ h8300_bfd_link_add_symbols (abfd, info)
}
/* Store away a pointer to the funcvec hash table. */
h8300_coff_hash_table (info)->funcvec_hash_table = funcvec_hash_table;
htab->funcvec_hash_table = funcvec_hash_table;
}
/* Load up the function vector hash table. */
funcvec_hash_table = h8300_coff_hash_table (info)->funcvec_hash_table;
/* Add the symbols using the generic code. */
_bfd_generic_link_add_symbols (abfd, info);
funcvec_hash_table = htab->funcvec_hash_table;
/* Now scan the relocs for all the sections in this bfd; create
additional space in the .vectors section as needed. */
@ -1322,7 +1344,7 @@ h8300_bfd_link_add_symbols (abfd, info)
}
/* Look this symbol up in the function vector hash table. */
ftab = h8300_coff_hash_table (info)->funcvec_hash_table;
ftab = htab->funcvec_hash_table;
h = funcvec_hash_lookup (ftab, name, FALSE, FALSE);
/* If this symbol isn't already in the hash table, add
@ -1339,10 +1361,10 @@ h8300_bfd_link_add_symbols (abfd, info)
/* Bump the size of the vectors section. Each vector
takes 2 bytes on the h8300 and 4 bytes on the h8300h. */
if (bfd_get_mach (abfd) == bfd_mach_h8300)
h8300_coff_hash_table (info)->vectors_sec->_raw_size += 2;
htab->vectors_sec->_raw_size += 2;
else if (bfd_get_mach (abfd) == bfd_mach_h8300h
|| bfd_get_mach (abfd) == bfd_mach_h8300s)
h8300_coff_hash_table (info)->vectors_sec->_raw_size += 4;
htab->vectors_sec->_raw_size += 4;
}
}
}
@ -1353,7 +1375,7 @@ h8300_bfd_link_add_symbols (abfd, info)
/* Now actually allocate some space for the function vector. It's
wasteful to do this more than once, but this is easier. */
sec = h8300_coff_hash_table (info)->vectors_sec;
sec = htab->vectors_sec;
if (sec->_raw_size != 0)
{
/* Free the old contents. */