aboutsummaryrefslogtreecommitdiff
path: root/bfd
diff options
context:
space:
mode:
authorGeoffrey Keating <geoffk@geoffk.org>2000-08-16 00:34:19 +0000
committerGeoffrey Keating <geoffk@geoffk.org>2000-08-16 00:34:19 +0000
commit31612ca61ad1b6f671cae51eef0872c4bf3ad6bf (patch)
tree3cd65d1e08c5729c46be6973bb6e73451bf5a445 /bfd
parent0d10e18267c6476627a1881c24bb6e364368f74a (diff)
downloadgdb-31612ca61ad1b6f671cae51eef0872c4bf3ad6bf.zip
gdb-31612ca61ad1b6f671cae51eef0872c4bf3ad6bf.tar.gz
gdb-31612ca61ad1b6f671cae51eef0872c4bf3ad6bf.tar.bz2
* xcofflink.c (_bfd_ppc_xcoff_relocate_section): Add ori r0,r0,0
to the list of NOPs we recognize after a branch-and-link. Use the ori NOP when one is needed. * coff-rs6000.c (_bfd_xcoff_slurp_armap): Finish implementation for large archives.
Diffstat (limited to 'bfd')
-rw-r--r--bfd/ChangeLog9
-rw-r--r--bfd/coff-rs6000.c77
-rw-r--r--bfd/xcofflink.c5
3 files changed, 64 insertions, 27 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index f58853d..c25b139 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,12 @@
+2000-08-15 Geoffrey Keating <geoffk@cygnus.com>
+
+ * xcofflink.c (_bfd_ppc_xcoff_relocate_section): Add ori r0,r0,0
+ to the list of NOPs we recognize after a branch-and-link.
+ Use the ori NOP when one is needed.
+
+ * coff-rs6000.c (_bfd_xcoff_slurp_armap): Finish implementation
+ for large archives.
+
2000-08-14 Jim Wilson <wilson@cygnus.com>
* elf64-ia64.c (elf64_ia64_merge_private_bfd_data): Handle
diff --git a/bfd/coff-rs6000.c b/bfd/coff-rs6000.c
index d3332d2d..dec690c 100644
--- a/bfd/coff-rs6000.c
+++ b/bfd/coff-rs6000.c
@@ -1098,7 +1098,7 @@ _bfd_xcoff_slurp_armap (abfd)
size_t namlen;
bfd_size_type sz;
bfd_byte *contents, *cend;
- unsigned int c, i;
+ bfd_vma c, i;
carsym *arsym;
bfd_byte *p;
@@ -1133,6 +1133,33 @@ _bfd_xcoff_slurp_armap (abfd)
return false;
sz = strtol (hdr.size, (char **) NULL, 10);
+
+ /* Read in the entire symbol table. */
+ contents = (bfd_byte *) bfd_alloc (abfd, sz);
+ if (contents == NULL)
+ return false;
+ if (bfd_read ((PTR) contents, 1, sz, abfd) != sz)
+ return false;
+
+ /* The symbol table starts with a four byte count. */
+ c = bfd_h_get_32 (abfd, contents);
+
+ if (c * 4 >= sz)
+ {
+ bfd_set_error (bfd_error_bad_value);
+ return false;
+ }
+
+ bfd_ardata (abfd)->symdefs = ((carsym *)
+ bfd_alloc (abfd, c * sizeof (carsym)));
+ if (bfd_ardata (abfd)->symdefs == NULL)
+ return false;
+
+ /* After the count comes a list of four byte file offsets. */
+ for (i = 0, arsym = bfd_ardata (abfd)->symdefs, p = contents + 4;
+ i < c;
+ ++i, ++arsym, p += 4)
+ arsym->file_offset = bfd_h_get_32 (abfd, p);
}
else
{
@@ -1163,35 +1190,35 @@ _bfd_xcoff_slurp_armap (abfd)
machines) since the field width is 20 and there numbers with more
than 32 bits can be represented. */
sz = strtol (hdr.size, (char **) NULL, 10);
- }
- /* Read in the entire symbol table. */
- contents = (bfd_byte *) bfd_alloc (abfd, sz);
- if (contents == NULL)
- return false;
- if (bfd_read ((PTR) contents, 1, sz, abfd) != sz)
- return false;
+ /* Read in the entire symbol table. */
+ contents = (bfd_byte *) bfd_alloc (abfd, sz);
+ if (contents == NULL)
+ return false;
+ if (bfd_read ((PTR) contents, 1, sz, abfd) != sz)
+ return false;
- /* The symbol table starts with a four byte count. */
- c = bfd_h_get_32 (abfd, contents);
+ /* The symbol table starts with an eight byte count. */
+ c = bfd_h_get_64 (abfd, contents);
- if (c * 4 >= sz)
- {
- bfd_set_error (bfd_error_bad_value);
- return false;
+ if (c * 8 >= sz)
+ {
+ bfd_set_error (bfd_error_bad_value);
+ return false;
+ }
+
+ bfd_ardata (abfd)->symdefs = ((carsym *)
+ bfd_alloc (abfd, c * sizeof (carsym)));
+ if (bfd_ardata (abfd)->symdefs == NULL)
+ return false;
+
+ /* After the count comes a list of eight byte file offsets. */
+ for (i = 0, arsym = bfd_ardata (abfd)->symdefs, p = contents + 8;
+ i < c;
+ ++i, ++arsym, p += 8)
+ arsym->file_offset = bfd_h_get_64 (abfd, p);
}
- bfd_ardata (abfd)->symdefs = ((carsym *)
- bfd_alloc (abfd, c * sizeof (carsym)));
- if (bfd_ardata (abfd)->symdefs == NULL)
- return false;
-
- /* After the count comes a list of four byte file offsets. */
- for (i = 0, arsym = bfd_ardata (abfd)->symdefs, p = contents + 4;
- i < c;
- ++i, ++arsym, p += 4)
- arsym->file_offset = bfd_h_get_32 (abfd, p);
-
/* After the file offsets come null terminated symbol names. */
cend = contents + sz;
for (i = 0, arsym = bfd_ardata (abfd)->symdefs;
diff --git a/bfd/xcofflink.c b/bfd/xcofflink.c
index 2d03fa4..f518fdf 100644
--- a/bfd/xcofflink.c
+++ b/bfd/xcofflink.c
@@ -6577,13 +6577,14 @@ _bfd_ppc_xcoff_relocate_section (output_bfd, info, input_bfd,
|| strcmp (h->root.root.string, "._ptrgl") == 0)
{
if (next == 0x4def7b82 /* cror 15,15,15 */
- || next == 0x4ffffb82) /* cror 31,31,31 */
+ || next == 0x4ffffb82 /* cror 31,31,31 */
+ || next == 0x60000000) /* ori r0,r0,0 */
bfd_put_32 (input_bfd, 0x80410014, pnext); /* lwz r1,20(r1) */
}
else
{
if (next == 0x80410014) /* lwz r1,20(r1) */
- bfd_put_32 (input_bfd, 0x4ffffb82, pnext); /* cror 31,31,31 */
+ bfd_put_32 (input_bfd, 0x60000000, pnext); /* ori r0,r0,0 */
}
}