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Diffstat (limited to 'ld/emultempl/spuelf.em')
-rw-r--r--ld/emultempl/spuelf.em27
1 files changed, 24 insertions, 3 deletions
diff --git a/ld/emultempl/spuelf.em b/ld/emultempl/spuelf.em
index 2dd34ea..fe8b127 100644
--- a/ld/emultempl/spuelf.em
+++ b/ld/emultempl/spuelf.em
@@ -34,6 +34,12 @@ 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;
@@ -70,7 +76,8 @@ spu_after_open (void)
if (is_spu_target ()
&& !link_info.relocatable
&& link_info.input_bfds != NULL
- && !spu_elf_create_sections (output_bfd, &link_info))
+ && !spu_elf_create_sections (output_bfd, &link_info,
+ stack_analysis, emit_stack_syms))
einfo ("%X%P: can not create note section: %E\n");
gld${EMULATION_NAME}_after_open ();
@@ -187,7 +194,7 @@ spu_before_allocation (void)
asection *stub, *ovtab;
if (!spu_elf_size_stubs (output_bfd, &link_info, non_overlay_stubs,
- &stub, &ovtab, &toe))
+ stack_analysis, &stub, &ovtab, &toe))
einfo ("%X%P: can not size overlay stubs: %E\n");
if (stub != NULL)
@@ -396,6 +403,8 @@ PARSE_AND_LIST_PROLOGUE='
#define OPTION_SPU_STUB_SYMS (OPTION_SPU_NO_OVERLAYS + 1)
#define OPTION_SPU_NON_OVERLAY_STUBS (OPTION_SPU_STUB_SYMS + 1)
#define OPTION_SPU_LOCAL_STORE (OPTION_SPU_NON_OVERLAY_STUBS + 1)
+#define OPTION_SPU_STACK_ANALYSIS (OPTION_SPU_LOCAL_STORE + 1)
+#define OPTION_SPU_STACK_SYMS (OPTION_SPU_STACK_ANALYSIS + 1)
'
PARSE_AND_LIST_LONGOPTS='
@@ -404,6 +413,8 @@ PARSE_AND_LIST_LONGOPTS='
{ "emit-stub-syms", no_argument, NULL, OPTION_SPU_STUB_SYMS },
{ "extra-overlay-stubs", no_argument, NULL, OPTION_SPU_NON_OVERLAY_STUBS },
{ "local-store", required_argument, NULL, OPTION_SPU_LOCAL_STORE },
+ { "stack-analysis", no_argument, NULL, OPTION_SPU_STACK_ANALYSIS },
+ { "emit-stack-syms", no_argument, NULL, OPTION_SPU_STACK_SYMS },
'
PARSE_AND_LIST_OPTIONS='
@@ -412,7 +423,9 @@ PARSE_AND_LIST_OPTIONS='
--no-overlays No overlay handling.\n\
--emit-stub-syms Add symbols on overlay call stubs.\n\
--extra-overlay-stubs Add stubs on all calls out of overlay regions.\n\
- --local-store=lo:hi Valid address range.\n"
+ --local-store=lo:hi Valid address range.\n\
+ --stack-analysis Estimate maximum stack requirement.\n\
+ --emit-stack-syms Add __stack_func giving stack needed for each func.\n"
));
'
@@ -446,6 +459,14 @@ PARSE_AND_LIST_ARGS_CASES='
einfo (_("%P%F: invalid --local-store address range `%s'\''\n"), optarg);
}
break;
+
+ case OPTION_SPU_STACK_ANALYSIS:
+ stack_analysis = 1;
+ break;
+
+ case OPTION_SPU_STACK_SYMS:
+ emit_stack_syms = 1;
+ break;
'
LDEMUL_AFTER_OPEN=spu_after_open