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-rw-r--r--bfd/ChangeLog9
-rw-r--r--bfd/elf32-spu.c128
-rw-r--r--bfd/elf32-spu.h2
-rw-r--r--ld/ChangeLog5
-rw-r--r--ld/emultempl/spuelf.em8
5 files changed, 80 insertions, 72 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 750b2e2..8217fa0 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,12 @@
+2009-03-19 Alan Modra <amodra@bigpond.net.au>
+
+ * elf32-spu.c (spu_elf_find_overlays): Separate error return from
+ "no overlays" return. If there are overlays, create overlay
+ manager entry symbols here, so that..
+ (spu_elf_build_stubs): ..we don't need to set them up here.
+ Simplify entry symbol tests.
+ * elf32-spu.h (spu_elf_find_overlays): Update prototype.
+
2009-03-18 Mark Kettenis <kettenis@gnu.org>
* elf.c (elfcore_grok_openbsd_procinfo)
diff --git a/bfd/elf32-spu.c b/bfd/elf32-spu.c
index 2c10bc9..b6952a1 100644
--- a/bfd/elf32-spu.c
+++ b/bfd/elf32-spu.c
@@ -603,9 +603,10 @@ sort_sections (const void *a, const void *b)
return (*s1)->index - (*s2)->index;
}
-/* Identify overlays in the output bfd, and number them. */
+/* Identify overlays in the output bfd, and number them.
+ Returns 0 on error, 1 if no overlays, 2 if overlays. */
-bfd_boolean
+int
spu_elf_find_overlays (struct bfd_link_info *info)
{
struct spu_link_hash_table *htab = spu_hash_table (info);
@@ -613,15 +614,18 @@ spu_elf_find_overlays (struct bfd_link_info *info)
unsigned int i, n, ovl_index, num_buf;
asection *s;
bfd_vma ovl_end;
- const char *ovly_mgr_entry;
+ static const char *const entry_names[2][2] = {
+ { "__ovly_load", "__icache_br_handler" },
+ { "__ovly_return", "__icache_call_handler" }
+ };
if (info->output_bfd->section_count < 2)
- return FALSE;
+ return 1;
alloc_sec
= bfd_malloc (info->output_bfd->section_count * sizeof (*alloc_sec));
if (alloc_sec == NULL)
- return FALSE;
+ return 0;
/* Pick out all the alloced sections. */
for (n = 0, s = info->output_bfd->sections; s != NULL; s = s->next)
@@ -633,7 +637,7 @@ spu_elf_find_overlays (struct bfd_link_info *info)
if (n == 0)
{
free (alloc_sec);
- return FALSE;
+ return 1;
}
/* Sort them by vma. */
@@ -685,7 +689,7 @@ spu_elf_find_overlays (struct bfd_link_info *info)
"does not start on a cache line.\n"),
s);
bfd_set_error (bfd_error_bad_value);
- return FALSE;
+ return 0;
}
else if (s->size > htab->params->line_size)
{
@@ -693,7 +697,7 @@ spu_elf_find_overlays (struct bfd_link_info *info)
"is larger than a cache line.\n"),
s);
bfd_set_error (bfd_error_bad_value);
- return FALSE;
+ return 0;
}
alloc_sec[ovl_index++] = s;
@@ -713,7 +717,7 @@ spu_elf_find_overlays (struct bfd_link_info *info)
"is not in cache area.\n"),
alloc_sec[i-1]);
bfd_set_error (bfd_error_bad_value);
- return FALSE;
+ return 0;
}
else
ovl_end = s->vma + s->size;
@@ -754,7 +758,7 @@ spu_elf_find_overlays (struct bfd_link_info *info)
"same address.\n"),
s0, s);
bfd_set_error (bfd_error_bad_value);
- return FALSE;
+ return 0;
}
if (ovl_end < s->vma + s->size)
ovl_end = s->vma + s->size;
@@ -768,17 +772,31 @@ spu_elf_find_overlays (struct bfd_link_info *info)
htab->num_overlays = ovl_index;
htab->num_buf = num_buf;
htab->ovl_sec = alloc_sec;
- ovly_mgr_entry = "__ovly_load";
- if (htab->params->ovly_flavour == ovly_soft_icache)
- ovly_mgr_entry = "__icache_br_handler";
- htab->ovly_entry[0] = elf_link_hash_lookup (&htab->elf, ovly_mgr_entry,
- FALSE, FALSE, FALSE);
- ovly_mgr_entry = "__ovly_return";
- if (htab->params->ovly_flavour == ovly_soft_icache)
- ovly_mgr_entry = "__icache_call_handler";
- htab->ovly_entry[1] = elf_link_hash_lookup (&htab->elf, ovly_mgr_entry,
- FALSE, FALSE, FALSE);
- return ovl_index != 0;
+
+ if (ovl_index == 0)
+ return 1;
+
+ for (i = 0; i < 2; i++)
+ {
+ const char *name;
+ struct elf_link_hash_entry *h;
+
+ name = entry_names[i][htab->params->ovly_flavour];
+ h = elf_link_hash_lookup (&htab->elf, name, TRUE, FALSE, FALSE);
+ if (h == NULL)
+ return 0;
+
+ if (h->root.type == bfd_link_hash_new)
+ {
+ h->root.type = bfd_link_hash_undefined;
+ h->ref_regular = 1;
+ h->ref_regular_nonweak = 1;
+ h->non_elf = 0;
+ }
+ htab->ovly_entry[i] = h;
+ }
+
+ return 2;
}
/* Non-zero to use bra in overlay stubs rather than br. */
@@ -897,7 +915,7 @@ needs_ovl_stub (struct elf_link_hash_entry *h,
if (h != NULL)
{
/* Ensure no stubs for user supplied overlay manager syms. */
- if (h == htab->ovly_entry[0]|| h == htab->ovly_entry[1])
+ if (h == htab->ovly_entry[0] || h == htab->ovly_entry[1])
return ret;
/* setjmp always goes via an overlay stub, because then the return
@@ -1863,54 +1881,26 @@ spu_elf_build_stubs (struct bfd_link_info *info)
htab->stub_sec[i]->size = 0;
}
- h = htab->ovly_entry[0];
- if (h == NULL)
- {
- const char *ovly_mgr_entry = "__ovly_load";
-
- if (htab->params->ovly_flavour == ovly_soft_icache)
- ovly_mgr_entry = "__icache_br_handler";
- h = elf_link_hash_lookup (&htab->elf, ovly_mgr_entry,
- FALSE, FALSE, FALSE);
- htab->ovly_entry[0] = h;
- }
- BFD_ASSERT (h != NULL
- && (h->root.type == bfd_link_hash_defined
- || h->root.type == bfd_link_hash_defweak)
- && h->def_regular);
-
- s = h->root.u.def.section->output_section;
- if (spu_elf_section_data (s)->u.o.ovl_index)
- {
- (*_bfd_error_handler) (_("%s in overlay section"),
- h->root.root.string);
- bfd_set_error (bfd_error_bad_value);
- return FALSE;
- }
-
- h = htab->ovly_entry[1];
- if (h == NULL)
+ for (i = 0; i < 2; i++)
{
- const char *ovly_mgr_entry = "__ovly_return";
-
- if (htab->params->ovly_flavour == ovly_soft_icache)
- ovly_mgr_entry = "__icache_call_handler";
- h = elf_link_hash_lookup (&htab->elf, ovly_mgr_entry,
- FALSE, FALSE, FALSE);
- htab->ovly_entry[1] = h;
- }
- BFD_ASSERT (h != NULL
- && (h->root.type == bfd_link_hash_defined
- || h->root.type == bfd_link_hash_defweak)
- && h->def_regular);
+ h = htab->ovly_entry[i];
+ BFD_ASSERT (h != NULL);
- s = h->root.u.def.section->output_section;
- if (spu_elf_section_data (s)->u.o.ovl_index)
- {
- (*_bfd_error_handler) (_("%s in overlay section"),
- h->root.root.string);
- bfd_set_error (bfd_error_bad_value);
- return FALSE;
+ if ((h->root.type == bfd_link_hash_defined
+ || h->root.type == bfd_link_hash_defweak)
+ && h->def_regular)
+ {
+ s = h->root.u.def.section->output_section;
+ if (spu_elf_section_data (s)->u.o.ovl_index)
+ {
+ (*_bfd_error_handler) (_("%s in overlay section"),
+ h->root.root.string);
+ bfd_set_error (bfd_error_bad_value);
+ return FALSE;
+ }
+ }
+ else
+ BFD_ASSERT (0);
}
/* Fill in all the stubs. */
@@ -5185,7 +5175,7 @@ spu_elf_modify_program_headers (bfd *abfd, struct bfd_link_info *info)
#define elf_backend_can_gc_sections 1
#define bfd_elf32_bfd_reloc_type_lookup spu_elf_reloc_type_lookup
-#define bfd_elf32_bfd_reloc_name_lookup spu_elf_reloc_name_lookup
+#define bfd_elf32_bfd_reloc_name_lookup spu_elf_reloc_name_lookup
#define elf_info_to_howto spu_elf_info_to_howto
#define elf_backend_count_relocs spu_elf_count_relocs
#define elf_backend_relocate_section spu_elf_relocate_section
diff --git a/bfd/elf32-spu.h b/bfd/elf32-spu.h
index c856791..d4d6a46 100644
--- a/bfd/elf32-spu.h
+++ b/bfd/elf32-spu.h
@@ -114,6 +114,6 @@ extern void spu_elf_plugin (int);
extern bfd_boolean spu_elf_open_builtin_lib (bfd **,
const struct _ovl_stream *);
extern bfd_boolean spu_elf_create_sections (struct bfd_link_info *);
-extern bfd_boolean spu_elf_find_overlays (struct bfd_link_info *);
+extern int spu_elf_find_overlays (struct bfd_link_info *);
extern int spu_elf_size_stubs (struct bfd_link_info *);
extern asection *spu_elf_check_vma (struct bfd_link_info *);
diff --git a/ld/ChangeLog b/ld/ChangeLog
index 4e28d97..a0bc21c 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,8 @@
+2009-03-19 Alan Modra <amodra@bigpond.net.au>
+
+ * emultempl/spuelf.em (spu_before_allocation): Report errors from
+ spu_elf_find_overlays.
+
2009-03-18 H.J. Lu <hongjiu.lu@intel.com>
PR ld/6766
diff --git a/ld/emultempl/spuelf.em b/ld/emultempl/spuelf.em
index 02b5499..06c22b8 100644
--- a/ld/emultempl/spuelf.em
+++ b/ld/emultempl/spuelf.em
@@ -266,6 +266,8 @@ spu_before_allocation (void)
&& !link_info.relocatable
&& !no_overlays)
{
+ int ret;
+
/* Size the sections. This is premature, but we need to know the
rough layout so that overlays can be found. */
expld.phase = lang_mark_phase_enum;
@@ -273,9 +275,11 @@ spu_before_allocation (void)
one_lang_size_sections_pass (NULL, TRUE);
/* Find overlays by inspecting section vmas. */
- if (spu_elf_find_overlays (&link_info))
+ ret = spu_elf_find_overlays (&link_info);
+ if (ret == 0)
+ einfo ("%X%P: can not find overlays: %E\n");
+ else if (ret == 2)
{
- int ret;
lang_output_section_statement_type *os;
if (params.auto_overlay != 0)
generated by cgit v1.1 at 2024-12-15 11:42:20 +0000