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-rw-r--r--ld/emultempl/spuelf.em159
1 files changed, 78 insertions, 81 deletions
diff --git a/ld/emultempl/spuelf.em b/ld/emultempl/spuelf.em
index fe248af..cb80c45 100644
--- a/ld/emultempl/spuelf.em
+++ b/ld/emultempl/spuelf.em
@@ -26,31 +26,23 @@ fragment <<EOF
#include "ldctor.h"
#include "elf32-spu.h"
-/* Non-zero if no overlay processing should be done. */
-static int no_overlays = 0;
+static void spu_place_special_section (asection *, asection *, const char *);
+static bfd_size_type spu_elf_load_ovl_mgr (void);
+static FILE *spu_elf_open_overlay_script (void);
+static void spu_elf_relink (void);
-/* Non-zero if we want stubs on all calls out of overlay regions. */
-static int non_overlay_stubs = 0;
-
-/* Whether to emit symbols for stubs. */
-static int emit_stub_syms = 0;
-
-/* Non-zero to perform stack space analysis. */
-static int stack_analysis = 0;
-
-/* Whether to emit symbols with stack requirements for each function. */
-static int emit_stack_syms = 0;
-
-/* Range of valid addresses for loadable sections. */
-static bfd_vma local_store_lo = 0;
-static bfd_vma local_store_hi = 0x3ffff;
-
-/* Control --auto-overlay feature. */
-static int auto_overlay = 0;
+static struct spu_elf_params params =
+{
+ &spu_place_special_section,
+ &spu_elf_load_ovl_mgr,
+ &spu_elf_open_overlay_script,
+ &spu_elf_relink,
+ 0, ovly_normal, 0, 0, 0, 0,
+ 0, 0x3ffff,
+ 0, 0, 2000
+};
+
static char *auto_overlay_file = 0;
-static unsigned int auto_overlay_fixed = 0;
-static unsigned int auto_overlay_reserved = 0;
-static int extra_stack_space = 2000;
int my_argc;
char **my_argv;
@@ -86,12 +78,19 @@ is_spu_target (void)
static void
spu_after_open (void)
{
- if (is_spu_target ()
- && !link_info.relocatable
- && link_info.input_bfds != NULL
- && !spu_elf_create_sections (&link_info,
- stack_analysis, emit_stack_syms))
- einfo ("%X%P: can not create note section: %E\n");
+ if (is_spu_target ())
+ {
+ /* Pass params to backend. */
+ if ((params.auto_overlay & AUTO_OVERLAY) == 0)
+ params.auto_overlay = 0;
+ params.emit_stub_syms |= link_info.emitrelocations;
+ spu_elf_setup (&link_info, &params);
+
+ if (!link_info.relocatable
+ && link_info.input_bfds != NULL
+ && !spu_elf_create_sections (&link_info))
+ einfo ("%X%P: can not create note section: %E\n");
+ }
gld${EMULATION_NAME}_after_open ();
}
@@ -112,7 +111,9 @@ spu_place_special_section (asection *s, asection *o, const char *output_name)
{
lang_output_section_statement_type *os;
- os = lang_output_section_find (o != NULL ? o->name : output_name);
+ if (o != NULL)
+ output_name = o->name;
+ os = lang_output_section_find (output_name);
if (os == NULL)
gld${EMULATION_NAME}_place_orphan (s, output_name, 0);
else if (o != NULL && os->children.head != NULL)
@@ -130,13 +131,13 @@ spu_place_special_section (asection *s, asection *o, const char *output_name)
s->output_section->size += s->size;
}
-/* Load built-in overlay manager, and tweak overlay section alignment. */
+/* Load built-in overlay manager. */
-static void
+static bfd_size_type
spu_elf_load_ovl_mgr (void)
{
- lang_output_section_statement_type *os;
struct elf_link_hash_entry *h;
+ bfd_size_type total = 0;
h = elf_link_hash_lookup (elf_hash_table (&link_info),
"__ovly_load", FALSE, FALSE, FALSE);
@@ -171,24 +172,13 @@ spu_elf_load_ovl_mgr (void)
for (in = ovl_is->the_bfd->sections; in != NULL; in = in->next)
if ((in->flags & (SEC_ALLOC | SEC_LOAD))
== (SEC_ALLOC | SEC_LOAD))
- spu_place_special_section (in, NULL, ".text");
+ {
+ total += in->size;
+ spu_place_special_section (in, NULL, ".text");
+ }
}
}
-
- /* Ensure alignment of overlay sections is sufficient. */
- for (os = &lang_output_section_statement.head->output_section_statement;
- os != NULL;
- os = os->next)
- if (os->bfd_section != NULL
- && spu_elf_section_data (os->bfd_section) != NULL
- && spu_elf_section_data (os->bfd_section)->u.o.ovl_index != 0)
- {
- if (os->bfd_section->alignment_power < 4)
- os->bfd_section->alignment_power = 4;
-
- /* Also ensure size rounds up. */
- os->block_value = 16;
- }
+ return total;
}
/* Go find if we need to do anything special for overlays. */
@@ -198,7 +188,7 @@ spu_before_allocation (void)
{
if (is_spu_target ()
&& !link_info.relocatable
- && !no_overlays)
+ && params.ovly_flavour != ovly_none)
{
/* Size the sections. This is premature, but we need to know the
rough layout so that overlays can be found. */
@@ -210,16 +200,30 @@ spu_before_allocation (void)
if (spu_elf_find_overlays (&link_info))
{
int ret;
+ lang_output_section_statement_type *os;
- if (auto_overlay != 0)
+ if (params.auto_overlay != 0)
{
einfo ("%P: --auto-overlay ignored with user overlay script\n");
- auto_overlay = 0;
+ params.auto_overlay = 0;
}
- ret = spu_elf_size_stubs (&link_info,
- spu_place_special_section,
- non_overlay_stubs);
+ /* Ensure alignment of overlay sections is sufficient. */
+ for (os = &lang_output_section_statement.head->output_section_statement;
+ os != NULL;
+ os = os->next)
+ if (os->bfd_section != NULL
+ && spu_elf_section_data (os->bfd_section) != NULL
+ && spu_elf_section_data (os->bfd_section)->u.o.ovl_index != 0)
+ {
+ if (os->bfd_section->alignment_power < 4)
+ os->bfd_section->alignment_power = 4;
+
+ /* Also ensure size rounds up. */
+ os->block_value = 16;
+ }
+
+ ret = spu_elf_size_stubs (&link_info);
if (ret == 0)
einfo ("%X%P: can not size overlay stubs: %E\n");
else if (ret == 2)
@@ -324,25 +328,18 @@ gld${EMULATION_NAME}_finish (void)
if (is_spu_target ())
{
- if (local_store_lo < local_store_hi)
+ if (params.local_store_lo < params.local_store_hi)
{
asection *s;
- s = spu_elf_check_vma (&link_info, auto_overlay,
- local_store_lo, local_store_hi,
- auto_overlay_fixed, auto_overlay_reserved,
- extra_stack_space,
- spu_elf_load_ovl_mgr,
- spu_elf_open_overlay_script,
- spu_elf_relink);
- if (s != NULL && !auto_overlay)
+ s = spu_elf_check_vma (&link_info);
+ if (s != NULL && !params.auto_overlay)
einfo ("%X%P: %A exceeds local store range\n", s);
}
- else if (auto_overlay)
+ else if (params.auto_overlay)
einfo ("%P: --auto-overlay ignored with zero local store range\n");
- if (!spu_elf_build_stubs (&link_info,
- emit_stub_syms || link_info.emitrelocations))
+ if (!spu_elf_build_stubs (&link_info))
einfo ("%F%P: can not build overlay stubs: %E\n");
}
@@ -574,24 +571,24 @@ PARSE_AND_LIST_ARGS_CASES='
break;
case OPTION_SPU_NO_OVERLAYS:
- no_overlays = 1;
+ params.ovly_flavour = ovly_none;
break;
case OPTION_SPU_STUB_SYMS:
- emit_stub_syms = 1;
+ params.emit_stub_syms = 1;
break;
case OPTION_SPU_NON_OVERLAY_STUBS:
- non_overlay_stubs = 1;
+ params.non_overlay_stubs = 1;
break;
case OPTION_SPU_LOCAL_STORE:
{
char *end;
- local_store_lo = strtoul (optarg, &end, 0);
+ params.local_store_lo = strtoul (optarg, &end, 0);
if (*end == '\'':'\'')
{
- local_store_hi = strtoul (end + 1, &end, 0);
+ params.local_store_hi = strtoul (end + 1, &end, 0);
if (*end == 0)
break;
}
@@ -600,15 +597,15 @@ PARSE_AND_LIST_ARGS_CASES='
break;
case OPTION_SPU_STACK_ANALYSIS:
- stack_analysis = 1;
+ params.stack_analysis = 1;
break;
case OPTION_SPU_STACK_SYMS:
- emit_stack_syms = 1;
+ params.emit_stack_syms = 1;
break;
case OPTION_SPU_AUTO_OVERLAY:
- auto_overlay |= 1;
+ params.auto_overlay |= 1;
if (optarg != NULL)
{
auto_overlay_file = optarg;
@@ -617,17 +614,17 @@ PARSE_AND_LIST_ARGS_CASES='
/* Fall thru */
case OPTION_SPU_AUTO_RELINK:
- auto_overlay |= 2;
+ params.auto_overlay |= 2;
break;
case OPTION_SPU_OVERLAY_RODATA:
- auto_overlay |= 4;
+ params.auto_overlay |= 4;
break;
case OPTION_SPU_FIXED_SPACE:
{
char *end;
- auto_overlay_fixed = strtoul (optarg, &end, 0);
+ params.auto_overlay_fixed = strtoul (optarg, &end, 0);
if (*end != 0)
einfo (_("%P%F: invalid --fixed-space value `%s'\''\n"), optarg);
}
@@ -636,7 +633,7 @@ PARSE_AND_LIST_ARGS_CASES='
case OPTION_SPU_RESERVED_SPACE:
{
char *end;
- auto_overlay_reserved = strtoul (optarg, &end, 0);
+ params.auto_overlay_reserved = strtoul (optarg, &end, 0);
if (*end != 0)
einfo (_("%P%F: invalid --reserved-space value `%s'\''\n"), optarg);
}
@@ -645,14 +642,14 @@ PARSE_AND_LIST_ARGS_CASES='
case OPTION_SPU_EXTRA_STACK:
{
char *end;
- extra_stack_space = strtol (optarg, &end, 0);
+ params.extra_stack_space = strtol (optarg, &end, 0);
if (*end != 0)
einfo (_("%P%F: invalid --extra-stack-space value `%s'\''\n"), optarg);
}
break;
case OPTION_SPU_NO_AUTO_OVERLAY:
- auto_overlay = 0;
+ params.auto_overlay = 0;
if (optarg != NULL)
{
struct tflist *tf;
generated by cgit v1.1 at 2024-12-25 01:00:25 +0000