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Add a helper function to read a 16-bit value.

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* bfd/amigaos.c (get_word): New helper function.
  (amiga_handle_rest): Use new helper function.
  (read_raw_relocs): Likewise.
This commit is contained in:
Gunther Nikl
2015-04-29 16:39:36 +00:00
parent d726b16546
commit 1dc1e0d965
1 changed files with 20 additions and 12 deletions
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32
bfd/amigaos.c
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@ -161,6 +161,7 @@ typedef struct amiga_ardata_struct {
#define MAX_NAME_SIZE 124
static bfd_boolean get_long PARAMS ((bfd *, unsigned long *));
static bfd_boolean get_word PARAMS ((bfd *, unsigned long *));
static const struct bfd_target *amiga_object_p PARAMS ((bfd *));
static sec_ptr amiga_get_section_by_hunk_number PARAMS ((bfd *, long));
static bfd_boolean amiga_add_reloc PARAMS ((bfd *, sec_ptr, bfd_size_type,
@ -297,6 +298,17 @@ get_long (abfd, n)
return TRUE;
}
static bfd_boolean
get_word (abfd, n)
bfd *abfd;
unsigned long *n;
{
if (bfd_bread ((PTR)n, 2, abfd) != 2)
return FALSE;
*n = GW (n);
return TRUE;
}
static const struct bfd_target *
amiga_object_p (abfd)
bfd *abfd;
@ -1049,10 +1061,9 @@ amiga_handle_rest (abfd, current_section, isload)
}
else {
for (;;) {
char buf[2];
if (bfd_bread (buf, 2, abfd) != 2)
if (!get_word (abfd, &no))
return FALSE;
if (no=GW(buf),!no)
if (!no)
break;
relp->num += no;
if (bfd_seek (abfd, (no+1)<<1, SEEK_CUR))
@ -2513,21 +2524,18 @@ read_raw_relocs (abfd, section, d_offset, count)
case HUNK_RELOC32SHORT:
/* read reloc count, hunk number and offsets */
for (howto=&howto_table[R_ABS32SHORT];;) {
char buf[2];
if (bfd_bread (buf, 2, abfd) != 2)
/* read offsets and hunk number */
if (!get_word (abfd, &no))
return FALSE;
if (no=GW(buf),!no)
if (!no)
break;
count -= no;
if (bfd_bread (buf, 2, abfd) != 2)
if (!get_word (abfd, &hunk_number))
return FALSE;
hunk_number = GW (buf);
/* add relocs */
for (j=0; j<no; j++) {
if (bfd_bread (buf, 2, abfd) != 2)
return FALSE;
offset = GW (buf);
if (!amiga_add_reloc (abfd, section, offset, NULL, howto,
if (!get_word (abfd, &offset) ||
!amiga_add_reloc (abfd, section, offset, NULL, howto,
hunk_number))
return FALSE;
}