* elf32-spu.c (spu_elf_special_sections): Add "._ea".
(spu_elf_relocate_section): Handle relocations against symbols
defined in ._ea specially.
binutils/
* embedspu.sh: Take note of R_SPU_PPU32/64 relocs without a symbol,
and if present, put image in ".data.speelf". Put program handle
in ".data.spehandle".
ld/emulparams/
* elf32_spu.sh (OTHER_SECTIONS): Add "._ea".
* elf32ppc.sh: If building with spu support, put ".data.spehandle"
sections at the start of ".data" and provide a symbol to locate
the directory of embedded spe programs.
ld/testsuite/
* ld-spu/ear.s: Align various sections.
* ld-spu/embed.rd: Update.
+2008-05-08 Alan Modra <amodra@bigpond.net.au>
+
+ * elf32-spu.c (spu_elf_special_sections): Add "._ea".
+ (spu_elf_relocate_section): Handle relocations against symbols
+ defined in ._ea specially.
+
2008-05-03 Daniel Jacobowitz <dan@codesourcery.com>
* elf32-arm.c (elf32_arm_symbian_link_hash_table_create): Use
};
static struct bfd_elf_special_section const spu_elf_special_sections[] = {
+ { "._ea", 4, 0, SHT_PROGBITS, SHF_WRITE },
{ ".toe", 4, 0, SHT_NOBITS, SHF_ALLOC },
{ NULL, 0, 0, 0, 0 }
};
struct elf_link_hash_entry **sym_hashes;
Elf_Internal_Rela *rel, *relend;
struct spu_link_hash_table *htab;
+ asection *ea = bfd_get_section_by_name (output_bfd, "._ea");
int ret = TRUE;
bfd_boolean emit_these_relocs = FALSE;
+ bfd_boolean is_ea;
bfd_boolean stubs;
htab = spu_hash_table (info);
{
int r_type;
reloc_howto_type *howto;
- unsigned long r_symndx;
+ unsigned int r_symndx;
Elf_Internal_Sym *sym;
asection *sec;
struct elf_link_hash_entry *h;
r_symndx = ELF32_R_SYM (rel->r_info);
r_type = ELF32_R_TYPE (rel->r_info);
- if (r_type == R_SPU_PPU32 || r_type == R_SPU_PPU64)
- {
- emit_these_relocs = TRUE;
- continue;
- }
-
howto = elf_howto_table + r_type;
unresolved_reloc = FALSE;
warned = FALSE;
if (info->relocatable)
continue;
+ is_ea = (ea != NULL
+ && sec != NULL
+ && sec->output_section == ea);
+ if (r_type == R_SPU_PPU32 || r_type == R_SPU_PPU64)
+ {
+ if (is_ea)
+ {
+ /* ._ea is a special section that isn't allocated in SPU
+ memory, but rather occupies space in PPU memory as
+ part of an embedded ELF image. If this reloc is
+ against a symbol defined in ._ea, then transform the
+ reloc into an equivalent one without a symbol
+ relative to the start of the ELF image. */
+ rel->r_addend += (relocation
+ - ea->vma
+ + elf_section_data (ea)->this_hdr.sh_offset);
+ rel->r_info = ELF32_R_INFO (0, r_type);
+ }
+ emit_these_relocs = TRUE;
+ continue;
+ }
+
+ if (is_ea)
+ unresolved_reloc = TRUE;
+
if (unresolved_reloc)
{
(*_bfd_error_handler)
if (ret
&& emit_these_relocs
- && !info->relocatable
&& !info->emitrelocations)
{
Elf_Internal_Rela *wrel;
+2008-05-08 Alan Modra <amodra@bigpond.net.au>
+
+ * embedspu.sh: Take note of R_SPU_PPU32/64 relocs without a symbol,
+ and if present, put image in ".data.speelf". Put program handle
+ in ".data.spehandle".
+
2008-05-01 Nick Clifton <nickc@redhat.com>
* readelf.c (print_symbol): Add code to display non-printing
#! /bin/sh
# Embed an SPU ELF executable into a PowerPC object file.
#
-# Copyright 2006, 2007 Free Software Foundation, Inc.
+# Copyright 2006, 2007, 2008 Free Software Foundation, Inc.
#
# This file is part of GNU Binutils.
#
# sections.
# Find all _EAR_ symbols in .toe using readelf, sort by address, and
# write the address of the corresponding PowerPC symbol in a table
- # built in .data.spetoe. For _EAE_ symbols not in .toe, create
+ # built in .data.spetoe. For _EAR_ symbols not in .toe, create
# .reloc commands to relocate their location directly.
# 3. Look for R_SPU_PPU32 and R_SPU_PPU64 relocations in the SPU ELF image
# and create .reloc commands for them.
print "#else"; \
print " .reloc __speelf__+" strtonum ("0x" $1) + sec_off[rela[sec]] + (substr($3, 10) == "64" ? 4 : 0)", R_PPC_ADDR32, " ($5 != "" ? $5 "+0x" $7 : "__speelf__ + 0x" $4); \
print "#endif"; \
+ if (!has_ea && $5 == "") { print "#define HAS_EA 1"; has_ea = 1; }; \
if (!donedef) { print "#define HAS_RELOCS 1"; donedef = 1; }; \
} \
$3 ~ /unrecognized:/ { \
print "#else"; \
print " .reloc __speelf__+" strtonum ("0x" $1) + sec_off[rela[sec]] + ($4 == "f" ? 4 : 0)", R_PPC_ADDR32, " ($6 != "" ? $6 "+0x" $8 : "__speelf__ + 0x" $5); \
print "#endif"; \
+ if (!has_ea && $5 == "") { print "#define HAS_EA 1"; has_ea = 1; }; \
if (!donedef) { print "#define HAS_RELOCS 1"; donedef = 1; }; \
} \
'`
-#if defined (HAS_RELOCS) && (defined (__PIC__) || defined (__PIE__))
+#ifdef HAS_EA
+ .section .data.speelf,"aw",@progbits
+#elif defined (HAS_RELOCS) && (defined (__PIC__) || defined (__PIE__))
.section .data.rel.ro.speelf,"a",@progbits
#else
.section .rodata.speelf,"a",@progbits
__speelf__:
.incbin "${INFILE}"
- .section .data,"aw",@progbits
+ .section .data.spehandle,"aw",@progbits
.globl ${SYMBOL}
.type ${SYMBOL}, @object
# fill in a struct spe_program_handle
+2008-05-08 Alan Modra <amodra@bigpond.net.au>
+
+ * elf32_spu.sh (OTHER_SECTIONS): Add "._ea".
+ * elf32ppc.sh: If building with spu support, put ".data.spehandle"
+ sections at the start of ".data" and provide a symbol to locate
+ the directory of embedded spe programs.
+
2008-05-08 Alan Modra <amodra@bigpond.net.au>
* ldexp.c (exp_print_token): Add ABSOLUTE, MIN_K, ASSERT_K. Correct
MAXPAGESIZE=0x80
DATA_ADDR="ALIGN(${MAXPAGESIZE})"
OTHER_BSS_SECTIONS=".toe ALIGN(128) : { *(.toe) } = 0"
-OTHER_SECTIONS=".note.spu_name 0 : { KEEP(*(.note.spu_name)) }"
+OTHER_SECTIONS=".note.spu_name 0 : { KEEP(*(.note.spu_name)) }
+ ._ea 0 : { KEEP(*(._ea)) }"
GOTPLT="${PLT}"
OTHER_TEXT_SECTIONS="*(.glink)"
EXTRA_EM_FILE=ppc32elf
+if grep -q 'ld_elf32_spu_emulation' ldemul-list.h; then
+# crt1.o defines data_start and __data_start. Keep them first.
+# Next put all the .data.spehandle sections, with a trailing zero word.
+ DATA_START_SYMBOLS="${RELOCATING+*crt1.o(.data .data.* .gnu.linkonce.d.*)
+ PROVIDE (__spe_handle = .);
+ *(.data.spehandle)
+ . += 4 * (DEFINED (__spe_handle) || . != 0);}"
+fi
+2008-05-08 Alan Modra <amodra@bigpond.net.au>
+
+ * ld-spu/ear.s: Align various sections.
+ * ld-spu/embed.rd: Update.
+
2008-05-05 Alan Modra <amodra@bigpond.net.au>
PR 6473
#test old-style toe _EAR_ syms
.section .toe,"a",@nobits
+ .p2align 4
_EAR_:
.space 16
_EAR_bar:
#test new-style _EAR_ syms
.data
+ .p2align 4
_EAR_main:
.space 16
.space 16
.section .data.blah,"aw",@progbits
+ .p2align 4
_EAR_blah:
.space 16
Relocation section '\.rela\.rodata\.speelf' at .* contains 3 entries:
- Offset Info Type Sym\. Value Symbol's Name \+ Addend
-00000184 00000601 R_PPC_ADDR32 00000000 main \+ 0
-000001a4 00000901 R_PPC_ADDR32 00000000 foo \+ 0
-000001b4 00000701 R_PPC_ADDR32 00000000 blah \+ 0
-
-Relocation section '\.rela\.data' at .* contains 2 entries:
- Offset Info Type Sym\. Value Symbol's Name \+ Addend
-00000004 00000201 R_PPC_ADDR32 00000000 \.rodata\.speelf \+ 0
-00000008 00000401 R_PPC_ADDR32 00000000 \.data\.spetoe \+ 0
+ Offset +Info +Type +Sym\. Value +Symbol's Name \+ Addend
+0+184 .* R_PPC_ADDR32 +0+0 +main \+ 0
+0+1a4 .* R_PPC_ADDR32 +0+0 +foo \+ 0
+0+1b4 .* R_PPC_ADDR32 +0+0 +blah \+ 0
Relocation section '\.rela\.data\.spetoe' at .* contains 2 entries:
- Offset Info Type Sym\. Value Symbol's Name \+ Addend
-00000004 00000201 R_PPC_ADDR32 00000000 \.rodata\.speelf \+ 0
-00000014 00000a01 R_PPC_ADDR32 00000000 bar \+ 0
+ Offset +Info +Type +Sym\. Value +Symbol's Name \+ Addend
+0+004 .* R_PPC_ADDR32 +0+0 +\.rodata\.speelf \+ 0
+0+014 .* R_PPC_ADDR32 +0+0 +bar \+ 0
+
+Relocation section '\.rela\.data\.spehandle' at .* contains 2 entries:
+ Offset +Info +Type +Sym\. Value +Symbol's Name \+ Addend
+0+004 .* R_PPC_ADDR32 +0+0 +\.rodata\.speelf \+ 0
+0+008 .* R_PPC_ADDR32 +0+0 +\.data\.spetoe \+ 0
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