From a7e11ee1d2e57a66740e940cb511ddba421fac47 Mon Sep 17 00:00:00 2001 From: Alan Modra Date: Tue, 17 Mar 2009 12:46:19 +0000 Subject: bfd/ * elf32-spu.h (struct spu_elf_params): ovly_flavour now only 1 bit. Add compact_stub. (emum _ovly_flavour): Delete ovly_compact, ovly_none. * elf32-spu.c (struct spu_link_hash_table): Replace ovly_load and ovly_return fields with ovly_entry[2]. Adjust all users. (spu_elf_find_overlays): Set ovly_entry[1] from __icache_call_handler when soft-icache. (spu_elf_build_stubs): Likewise. (ovl_stub_size): Change arg to spu_elf_params pointer. Adjust for ovly_flavour changes. Update all callers. (ovl_stub_size_log2): New function. (build_stub): Handle compact icache stubs. Use different manager entry point for stubs in non-icache area. (spu_elf_size_stubs): Don't allocate space for indirect branch descriptors. (spu_elf_build_stubs): And don't built them. ld/ * emultempl/spu_icache.S: Add new entry to dummy handler. * emultempl/spu_icache.o_c: Regenerate. * emultempl/spuelf.em (params): Init new field. (no_overlays): New static var. (spu_before_allocation): Use it. (OPTION_SPU_COMPACT_STUBS): Define. (PARSE_AND_LIST_LONGOPTS, PARSE_AND_LIST_OPTIONS): Add compact-stubs. (PARSE_AND_LIST_ARGS_CASES): Handle compact-stubs. Adjust no-overlays handling. ld/testsuite/ * ld-spu/icache1.d: Update for fixed set_id, new manager entry, and reduced data. --- ld/emultempl/spu_icache.S | 3 +++ ld/emultempl/spu_icache.o_c | 56 +++++++++++++++++++++++---------------------- ld/emultempl/spuelf.em | 18 +++++++++++---- 3 files changed, 45 insertions(+), 32 deletions(-) (limited to 'ld/emultempl') diff --git a/ld/emultempl/spu_icache.S b/ld/emultempl/spu_icache.S index be7d523..12eb7f1 100644 --- a/ld/emultempl/spu_icache.S +++ b/ld/emultempl/spu_icache.S @@ -2,3 +2,6 @@ .global __icache_br_handler __icache_br_handler: stop + .global __icache_call_handler +__icache_call_handler: + stop diff --git a/ld/emultempl/spu_icache.o_c b/ld/emultempl/spu_icache.o_c index 267a9d9..2006fe2 100644 --- a/ld/emultempl/spu_icache.o_c +++ b/ld/emultempl/spu_icache.o_c @@ -1,31 +1,33 @@ 0x7f,0x45,0x4c,0x46,0x01,0x02,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 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= &spu_elf_load_ovl_mgr, &spu_elf_open_overlay_script, &spu_elf_relink, - 0, ovly_normal, 0, 0, 0, 0, 0, 0, + 0, ovly_normal, 0, 0, 0, 0, 0, 0, 0, 0, 0x3ffff, 1, 0, 16, 0, 0, 2000 }; - + +static unsigned int no_overlays = 0; static unsigned int num_lines_set = 0; static unsigned int line_size_set = 0; static char *auto_overlay_file = 0; @@ -263,7 +264,7 @@ spu_before_allocation (void) { if (is_spu_target () && !link_info.relocatable - && params.ovly_flavour != ovly_none) + && !no_overlays) { /* Size the sections. This is premature, but we need to know the rough layout so that overlays can be found. */ @@ -584,7 +585,8 @@ fi PARSE_AND_LIST_PROLOGUE=' #define OPTION_SPU_PLUGIN 301 #define OPTION_SPU_NO_OVERLAYS (OPTION_SPU_PLUGIN + 1) -#define OPTION_SPU_STUB_SYMS (OPTION_SPU_NO_OVERLAYS + 1) +#define OPTION_SPU_COMPACT_STUBS (OPTION_SPU_NO_OVERLAYS + 1) +#define OPTION_SPU_STUB_SYMS (OPTION_SPU_COMPACT_STUBS + 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) @@ -611,6 +613,7 @@ PARSE_AND_LIST_LONGOPTS=' { "line-size", required_argument, NULL, OPTION_SPU_LINE_SIZE }, { "non-ia-text", no_argument, NULL, OPTION_SPU_NON_IA_TEXT }, { "no-overlays", no_argument, NULL, OPTION_SPU_NO_OVERLAYS }, + { "compact-stubs", no_argument, NULL, OPTION_SPU_COMPACT_STUBS }, { "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 }, @@ -631,6 +634,7 @@ PARSE_AND_LIST_OPTIONS=' fprintf (file, _("\ --plugin Make SPU plugin.\n\ --no-overlays No overlay handling.\n\ + --compact-stubs Use smaller and possibly slower call stubs.\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\ @@ -662,7 +666,11 @@ PARSE_AND_LIST_ARGS_CASES=' break; case OPTION_SPU_NO_OVERLAYS: - params.ovly_flavour = ovly_none; + no_overlays = 1; + break; + + case OPTION_SPU_COMPACT_STUBS: + params.compact_stub = 1; break; case OPTION_SPU_STUB_SYMS: -- cgit v1.1