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-rw-r--r--bfd/ChangeLog21
-rw-r--r--bfd/Makefile.am35
-rw-r--r--bfd/Makefile.in35
-rw-r--r--bfd/archures.c4
-rw-r--r--bfd/bfd-in2.h16
-rw-r--r--bfd/config.bfd6
-rwxr-xr-xbfd/configure1
-rw-r--r--bfd/configure.in1
-rw-r--r--bfd/cpu-spu.c54
-rw-r--r--bfd/elf32-spu.c1749
-rw-r--r--bfd/elf32-spu.h51
-rw-r--r--bfd/libbfd.h12
-rw-r--r--bfd/po/SRC-POTFILES.in2
-rw-r--r--bfd/reloc.c27
-rw-r--r--bfd/targets.c2
15 files changed, 2006 insertions, 10 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 0dd9d97..38f0e8c 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,24 @@
+2006-10-25 Alan Modra <amodra@bigpond.net.au>
+ Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
+ Yukishige Shibata <shibata@rd.scei.sony.co.jp>
+ Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
+ Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
+
+ * cpu-spu.c: New file.
+ * elf32-spu.c: New file.
+ * elf32-spu.h: New file.
+ * archures.c: Add SPU support.
+ * config.bfd: Likewise.
+ * configure.in: Likewise.
+ * reloc.c: Likewise.
+ * targets.c: Likewise.
+ * Makefile.am: Likewise. Run "make dep-am".
+ * libbfd.h: Regenerate.
+ * bfd-in2.h: Regenerate.
+ * Makefile.in: Regenerate.
+ * configure: Regenerate.
+ * po/SRC-POTFILES.in: Regenerate.
+
2006-10-23 Alan Modra <amodra@bigpond.net.au>
* elf64-ppc.c (ppc64_elf_edit_opd): Clarify comment.
diff --git a/bfd/Makefile.am b/bfd/Makefile.am
index df9b2a9..435b30b 100644
--- a/bfd/Makefile.am
+++ b/bfd/Makefile.am
@@ -106,6 +106,7 @@ ALL_MACHINES = \
cpu-score.lo \
cpu-sh.lo \
cpu-sparc.lo \
+ cpu-spu.lo \
cpu-tic30.lo \
cpu-tic4x.lo \
cpu-tic54x.lo \
@@ -169,6 +170,7 @@ ALL_MACHINES_CFILES = \
cpu-score.c \
cpu-sh.c \
cpu-sparc.c \
+ cpu-spu.c \
cpu-tic30.c \
cpu-tic4x.c \
cpu-tic54x.c \
@@ -280,6 +282,7 @@ BFD32_BACKENDS = \
elf32-sh64-com.lo \
elfxx-sparc.lo \
elf32-sparc.lo \
+ elf32-spu.lo \
elf32-v850.lo \
elf32-vax.lo \
elf32-xstormy16.lo \
@@ -455,6 +458,7 @@ BFD32_BACKENDS_CFILES = \
elf32-sh-symbian.c \
elfxx-sparc.c \
elf32-sparc.c \
+ elf32-spu.c \
elf32-v850.c \
elf32-vax.c \
elf32-xstormy16.c \
@@ -1074,11 +1078,12 @@ cpu-pj.lo: cpu-pj.c $(INCDIR)/filenames.h $(INCDIR)/hashtab.h
cpu-powerpc.lo: cpu-powerpc.c $(INCDIR)/filenames.h \
$(INCDIR)/hashtab.h
cpu-rs6000.lo: cpu-rs6000.c $(INCDIR)/filenames.h $(INCDIR)/hashtab.h
-cpu-score.lo: cpu-score.c $(INCDIR)/filenames.h
cpu-s390.lo: cpu-s390.c $(INCDIR)/filenames.h $(INCDIR)/hashtab.h
+cpu-score.lo: cpu-score.c $(INCDIR)/filenames.h $(INCDIR)/hashtab.h
cpu-sh.lo: cpu-sh.c $(INCDIR)/filenames.h $(INCDIR)/hashtab.h \
$(srcdir)/../opcodes/sh-opc.h
cpu-sparc.lo: cpu-sparc.c $(INCDIR)/filenames.h $(INCDIR)/hashtab.h
+cpu-spu.lo: cpu-spu.c $(INCDIR)/filenames.h $(INCDIR)/hashtab.h
cpu-tic30.lo: cpu-tic30.c $(INCDIR)/filenames.h $(INCDIR)/hashtab.h
cpu-tic4x.lo: cpu-tic4x.c $(INCDIR)/filenames.h $(INCDIR)/hashtab.h
cpu-tic54x.lo: cpu-tic54x.c $(INCDIR)/filenames.h $(INCDIR)/hashtab.h
@@ -1453,14 +1458,15 @@ elf32-sh64-com.lo: elf32-sh64-com.c $(INCDIR)/filenames.h \
$(INCDIR)/elf/internal.h $(INCDIR)/elf/external.h $(INCDIR)/bfdlink.h \
$(INCDIR)/elf/sh.h $(INCDIR)/elf/reloc-macros.h elf32-sh64.h \
$(srcdir)/../opcodes/sh64-opc.h
-elf32-score.lo: elf32-score.c $(INCDIR)/filenames.h \
- elf-bfd.h $(INCDIR)/elf/common.h $(INCDIR)/elf/internal.h \
- $(INCDIR)/elf/external.h $(INCDIR)/elf/score.h \
- $(INCDIR)/elf/reloc-macros.h elf32-target.h
elf32-s390.lo: elf32-s390.c $(INCDIR)/filenames.h $(INCDIR)/bfdlink.h \
$(INCDIR)/hashtab.h elf-bfd.h $(INCDIR)/elf/common.h \
$(INCDIR)/elf/internal.h $(INCDIR)/elf/external.h $(INCDIR)/elf/s390.h \
$(INCDIR)/elf/reloc-macros.h elf32-target.h
+elf32-score.lo: elf32-score.c $(INCDIR)/filenames.h \
+ $(INCDIR)/hashtab.h $(INCDIR)/libiberty.h elf-bfd.h \
+ $(INCDIR)/elf/common.h $(INCDIR)/elf/internal.h $(INCDIR)/elf/external.h \
+ $(INCDIR)/bfdlink.h $(INCDIR)/elf/score.h $(INCDIR)/elf/reloc-macros.h \
+ elf32-target.h
elf32-sh.lo: elf32-sh.c $(INCDIR)/filenames.h $(INCDIR)/bfdlink.h \
$(INCDIR)/hashtab.h elf-bfd.h $(INCDIR)/elf/common.h \
$(INCDIR)/elf/internal.h $(INCDIR)/elf/external.h elf-vxworks.h \
@@ -1482,6 +1488,10 @@ elf32-sparc.lo: elf32-sparc.c $(INCDIR)/filenames.h \
$(INCDIR)/elf/internal.h $(INCDIR)/elf/external.h $(INCDIR)/elf/sparc.h \
$(INCDIR)/elf/reloc-macros.h $(INCDIR)/opcode/sparc.h \
elfxx-sparc.h elf-vxworks.h elf32-target.h
+elf32-spu.lo: elf32-spu.c $(INCDIR)/filenames.h $(INCDIR)/bfdlink.h \
+ $(INCDIR)/hashtab.h elf-bfd.h $(INCDIR)/elf/common.h \
+ $(INCDIR)/elf/internal.h $(INCDIR)/elf/external.h $(INCDIR)/elf/spu.h \
+ $(INCDIR)/elf/reloc-macros.h elf32-spu.h elf32-target.h
elf32-v850.lo: elf32-v850.c $(INCDIR)/filenames.h $(INCDIR)/bfdlink.h \
$(INCDIR)/hashtab.h elf-bfd.h $(INCDIR)/elf/common.h \
$(INCDIR)/elf/internal.h $(INCDIR)/elf/external.h $(INCDIR)/elf/v850.h \
@@ -1845,6 +1855,21 @@ nlm32-alpha.lo: nlm32-alpha.c $(INCDIR)/filenames.h \
nlm64.lo: nlm64.c nlmcode.h $(INCDIR)/filenames.h $(INCDIR)/hashtab.h \
libnlm.h $(INCDIR)/nlm/common.h $(INCDIR)/nlm/internal.h \
$(INCDIR)/nlm/external.h
+coff-x86_64.lo: coff-x86_64.c $(INCDIR)/filenames.h \
+ $(INCDIR)/hashtab.h $(INCDIR)/coff/x86_64.h $(INCDIR)/coff/external.h \
+ $(INCDIR)/coff/internal.h $(INCDIR)/coff/pe.h libcoff.h \
+ $(INCDIR)/bfdlink.h $(INCDIR)/libiberty.h coffcode.h \
+ coffswap.h
+pe-x86_64.lo: pe-x86_64.c $(INCDIR)/filenames.h coff-x86_64.c \
+ $(INCDIR)/hashtab.h $(INCDIR)/coff/x86_64.h $(INCDIR)/coff/external.h \
+ $(INCDIR)/coff/internal.h $(INCDIR)/coff/pe.h libcoff.h \
+ $(INCDIR)/bfdlink.h $(INCDIR)/libiberty.h coffcode.h \
+ peicode.h libpei.h
+pei-x86_64.lo: pei-x86_64.c $(INCDIR)/filenames.h coff-x86_64.c \
+ $(INCDIR)/hashtab.h $(INCDIR)/coff/x86_64.h $(INCDIR)/coff/external.h \
+ $(INCDIR)/coff/internal.h $(INCDIR)/coff/pe.h libcoff.h \
+ $(INCDIR)/bfdlink.h $(INCDIR)/libiberty.h coffcode.h \
+ peicode.h libpei.h
aix386-core.lo: aix386-core.c $(INCDIR)/filenames.h \
$(INCDIR)/hashtab.h $(INCDIR)/coff/i386.h $(INCDIR)/coff/external.h \
$(INCDIR)/coff/internal.h libcoff.h $(INCDIR)/bfdlink.h
diff --git a/bfd/Makefile.in b/bfd/Makefile.in
index 312b730..5bde689 100644
--- a/bfd/Makefile.in
+++ b/bfd/Makefile.in
@@ -337,6 +337,7 @@ ALL_MACHINES = \
cpu-score.lo \
cpu-sh.lo \
cpu-sparc.lo \
+ cpu-spu.lo \
cpu-tic30.lo \
cpu-tic4x.lo \
cpu-tic54x.lo \
@@ -400,6 +401,7 @@ ALL_MACHINES_CFILES = \
cpu-score.c \
cpu-sh.c \
cpu-sparc.c \
+ cpu-spu.c \
cpu-tic30.c \
cpu-tic4x.c \
cpu-tic54x.c \
@@ -512,6 +514,7 @@ BFD32_BACKENDS = \
elf32-sh64-com.lo \
elfxx-sparc.lo \
elf32-sparc.lo \
+ elf32-spu.lo \
elf32-v850.lo \
elf32-vax.lo \
elf32-xstormy16.lo \
@@ -687,6 +690,7 @@ BFD32_BACKENDS_CFILES = \
elf32-sh-symbian.c \
elfxx-sparc.c \
elf32-sparc.c \
+ elf32-spu.c \
elf32-v850.c \
elf32-vax.c \
elf32-xstormy16.c \
@@ -1635,11 +1639,12 @@ cpu-pj.lo: cpu-pj.c $(INCDIR)/filenames.h $(INCDIR)/hashtab.h
cpu-powerpc.lo: cpu-powerpc.c $(INCDIR)/filenames.h \
$(INCDIR)/hashtab.h
cpu-rs6000.lo: cpu-rs6000.c $(INCDIR)/filenames.h $(INCDIR)/hashtab.h
-cpu-score.lo: cpu-score.c $(INCDIR)/filenames.h
cpu-s390.lo: cpu-s390.c $(INCDIR)/filenames.h $(INCDIR)/hashtab.h
+cpu-score.lo: cpu-score.c $(INCDIR)/filenames.h $(INCDIR)/hashtab.h
cpu-sh.lo: cpu-sh.c $(INCDIR)/filenames.h $(INCDIR)/hashtab.h \
$(srcdir)/../opcodes/sh-opc.h
cpu-sparc.lo: cpu-sparc.c $(INCDIR)/filenames.h $(INCDIR)/hashtab.h
+cpu-spu.lo: cpu-spu.c $(INCDIR)/filenames.h $(INCDIR)/hashtab.h
cpu-tic30.lo: cpu-tic30.c $(INCDIR)/filenames.h $(INCDIR)/hashtab.h
cpu-tic4x.lo: cpu-tic4x.c $(INCDIR)/filenames.h $(INCDIR)/hashtab.h
cpu-tic54x.lo: cpu-tic54x.c $(INCDIR)/filenames.h $(INCDIR)/hashtab.h
@@ -2014,14 +2019,15 @@ elf32-sh64-com.lo: elf32-sh64-com.c $(INCDIR)/filenames.h \
$(INCDIR)/elf/internal.h $(INCDIR)/elf/external.h $(INCDIR)/bfdlink.h \
$(INCDIR)/elf/sh.h $(INCDIR)/elf/reloc-macros.h elf32-sh64.h \
$(srcdir)/../opcodes/sh64-opc.h
-elf32-score.lo: elf32-score.c $(INCDIR)/filenames.h \
- elf-bfd.h $(INCDIR)/elf/common.h $(INCDIR)/elf/internal.h \
- $(INCDIR)/elf/external.h $(INCDIR)/elf/score.h \
- $(INCDIR)/elf/reloc-macros.h elf32-target.h
elf32-s390.lo: elf32-s390.c $(INCDIR)/filenames.h $(INCDIR)/bfdlink.h \
$(INCDIR)/hashtab.h elf-bfd.h $(INCDIR)/elf/common.h \
$(INCDIR)/elf/internal.h $(INCDIR)/elf/external.h $(INCDIR)/elf/s390.h \
$(INCDIR)/elf/reloc-macros.h elf32-target.h
+elf32-score.lo: elf32-score.c $(INCDIR)/filenames.h \
+ $(INCDIR)/hashtab.h $(INCDIR)/libiberty.h elf-bfd.h \
+ $(INCDIR)/elf/common.h $(INCDIR)/elf/internal.h $(INCDIR)/elf/external.h \
+ $(INCDIR)/bfdlink.h $(INCDIR)/elf/score.h $(INCDIR)/elf/reloc-macros.h \
+ elf32-target.h
elf32-sh.lo: elf32-sh.c $(INCDIR)/filenames.h $(INCDIR)/bfdlink.h \
$(INCDIR)/hashtab.h elf-bfd.h $(INCDIR)/elf/common.h \
$(INCDIR)/elf/internal.h $(INCDIR)/elf/external.h elf-vxworks.h \
@@ -2043,6 +2049,10 @@ elf32-sparc.lo: elf32-sparc.c $(INCDIR)/filenames.h \
$(INCDIR)/elf/internal.h $(INCDIR)/elf/external.h $(INCDIR)/elf/sparc.h \
$(INCDIR)/elf/reloc-macros.h $(INCDIR)/opcode/sparc.h \
elfxx-sparc.h elf-vxworks.h elf32-target.h
+elf32-spu.lo: elf32-spu.c $(INCDIR)/filenames.h $(INCDIR)/bfdlink.h \
+ $(INCDIR)/hashtab.h elf-bfd.h $(INCDIR)/elf/common.h \
+ $(INCDIR)/elf/internal.h $(INCDIR)/elf/external.h $(INCDIR)/elf/spu.h \
+ $(INCDIR)/elf/reloc-macros.h elf32-spu.h elf32-target.h
elf32-v850.lo: elf32-v850.c $(INCDIR)/filenames.h $(INCDIR)/bfdlink.h \
$(INCDIR)/hashtab.h elf-bfd.h $(INCDIR)/elf/common.h \
$(INCDIR)/elf/internal.h $(INCDIR)/elf/external.h $(INCDIR)/elf/v850.h \
@@ -2406,6 +2416,21 @@ nlm32-alpha.lo: nlm32-alpha.c $(INCDIR)/filenames.h \
nlm64.lo: nlm64.c nlmcode.h $(INCDIR)/filenames.h $(INCDIR)/hashtab.h \
libnlm.h $(INCDIR)/nlm/common.h $(INCDIR)/nlm/internal.h \
$(INCDIR)/nlm/external.h
+coff-x86_64.lo: coff-x86_64.c $(INCDIR)/filenames.h \
+ $(INCDIR)/hashtab.h $(INCDIR)/coff/x86_64.h $(INCDIR)/coff/external.h \
+ $(INCDIR)/coff/internal.h $(INCDIR)/coff/pe.h libcoff.h \
+ $(INCDIR)/bfdlink.h $(INCDIR)/libiberty.h coffcode.h \
+ coffswap.h
+pe-x86_64.lo: pe-x86_64.c $(INCDIR)/filenames.h coff-x86_64.c \
+ $(INCDIR)/hashtab.h $(INCDIR)/coff/x86_64.h $(INCDIR)/coff/external.h \
+ $(INCDIR)/coff/internal.h $(INCDIR)/coff/pe.h libcoff.h \
+ $(INCDIR)/bfdlink.h $(INCDIR)/libiberty.h coffcode.h \
+ peicode.h libpei.h
+pei-x86_64.lo: pei-x86_64.c $(INCDIR)/filenames.h coff-x86_64.c \
+ $(INCDIR)/hashtab.h $(INCDIR)/coff/x86_64.h $(INCDIR)/coff/external.h \
+ $(INCDIR)/coff/internal.h $(INCDIR)/coff/pe.h libcoff.h \
+ $(INCDIR)/bfdlink.h $(INCDIR)/libiberty.h coffcode.h \
+ peicode.h libpei.h
aix386-core.lo: aix386-core.c $(INCDIR)/filenames.h \
$(INCDIR)/hashtab.h $(INCDIR)/coff/i386.h $(INCDIR)/coff/external.h \
$(INCDIR)/coff/internal.h libcoff.h $(INCDIR)/bfdlink.h
diff --git a/bfd/archures.c b/bfd/archures.c
index eb3831f..5029cb0 100644
--- a/bfd/archures.c
+++ b/bfd/archures.c
@@ -136,6 +136,8 @@ DESCRIPTION
.{* Nonzero if MACH is a 64 bit sparc architecture. *}
.#define bfd_mach_sparc_64bit_p(mach) \
. ((mach) >= bfd_mach_sparc_v9 && (mach) != bfd_mach_sparc_v8plusb)
+. bfd_arch_spu, {* PowerPC SPU *}
+.#define bfd_mach_spu 256
. bfd_arch_mips, {* MIPS Rxxxx *}
.#define bfd_mach_mips3000 3000
.#define bfd_mach_mips3900 3900
@@ -471,6 +473,7 @@ extern const bfd_arch_info_type bfd_s390_arch;
extern const bfd_arch_info_type bfd_score_arch;
extern const bfd_arch_info_type bfd_sh_arch;
extern const bfd_arch_info_type bfd_sparc_arch;
+extern const bfd_arch_info_type bfd_spu_arch;
extern const bfd_arch_info_type bfd_tic30_arch;
extern const bfd_arch_info_type bfd_tic4x_arch;
extern const bfd_arch_info_type bfd_tic54x_arch;
@@ -537,6 +540,7 @@ static const bfd_arch_info_type * const bfd_archures_list[] =
&bfd_score_arch,
&bfd_sh_arch,
&bfd_sparc_arch,
+ &bfd_spu_arch,
&bfd_tic30_arch,
&bfd_tic4x_arch,
&bfd_tic54x_arch,
diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h
index 0fc6232..882f61a 100644
--- a/bfd/bfd-in2.h
+++ b/bfd/bfd-in2.h
@@ -1761,6 +1761,8 @@ enum bfd_architecture
/* Nonzero if MACH is a 64 bit sparc architecture. */
#define bfd_mach_sparc_64bit_p(mach) \
((mach) >= bfd_mach_sparc_v9 && (mach) != bfd_mach_sparc_v8plusb)
+ bfd_arch_spu, /* PowerPC SPU */
+#define bfd_mach_spu 256
bfd_arch_mips, /* MIPS Rxxxx */
#define bfd_mach_mips3000 3000
#define bfd_mach_mips3900 3900
@@ -2452,6 +2454,20 @@ relocation types already defined. */
BFD_RELOC_SPARC_TLS_TPOFF32,
BFD_RELOC_SPARC_TLS_TPOFF64,
+/* SPU Relocations. */
+ BFD_RELOC_SPU_IMM7,
+ BFD_RELOC_SPU_IMM8,
+ BFD_RELOC_SPU_IMM10,
+ BFD_RELOC_SPU_IMM10W,
+ BFD_RELOC_SPU_IMM16,
+ BFD_RELOC_SPU_IMM16W,
+ BFD_RELOC_SPU_IMM18,
+ BFD_RELOC_SPU_PCREL9a,
+ BFD_RELOC_SPU_PCREL9b,
+ BFD_RELOC_SPU_PCREL16,
+ BFD_RELOC_SPU_LO16,
+ BFD_RELOC_SPU_HI16,
+
/* Alpha ECOFF and ELF relocations. Some of these treat the symbol or
"addend" in some special way.
For GPDISP_HI16 ("gpdisp") relocations, the symbol is ignored when
diff --git a/bfd/config.bfd b/bfd/config.bfd
index 31dbf0e..41bbda9 100644
--- a/bfd/config.bfd
+++ b/bfd/config.bfd
@@ -95,6 +95,7 @@ rs6000) targ_archs="bfd_rs6000_arch bfd_powerpc_arch" ;;
s390*) targ_archs=bfd_s390_arch ;;
sh*) targ_archs=bfd_sh_arch ;;
sparc*) targ_archs=bfd_sparc_arch ;;
+spu*) targ_archs=bfd_spu_arch ;;
strongarm*) targ_archs=bfd_arm_arch ;;
thumb*) targ_archs=bfd_arm_arch ;;
v850*) targ_archs=bfd_v850_arch ;;
@@ -1382,6 +1383,11 @@ case "${targ}" in
targ_underscore=yes
;;
+ spu-*-elf)
+ targ_defvec=bfd_elf32_spu_vec
+ targ_selvecs="bfd_elf32_powerpc_vec bfd_elf64_powerpc_vec"
+ ;;
+
#if HAVE_host_aout_vec
tahoe-*-*)
targ_defvec=host_aout_vec
diff --git a/bfd/configure b/bfd/configure
index fa61bee..bc138ff 100755
--- a/bfd/configure
+++ b/bfd/configure
@@ -10895,6 +10895,7 @@ do
bfd_elf32_shvxworks_vec) tb="$tb elf32-sh.lo elf-vxworks.lo elf32.lo $elf coff-sh.lo" ;;
bfd_elf32_sparc_vec) tb="$tb elf32-sparc.lo elfxx-sparc.lo elf-vxworks.lo elf32.lo $elf" ;;
bfd_elf32_sparc_vxworks_vec) tb="$tb elf32-sparc.lo elfxx-sparc.lo elf-vxworks.lo elf32.lo $elf" ;;
+ bfd_elf32_spu_vec) tb="$tb elf32-spu.lo elf32.lo $elf" ;;
bfd_elf32_tradbigmips_vec) tb="$tb elf32-mips.lo elfxx-mips.lo elf-vxworks.lo elf32.lo $elf ecofflink.lo" ;;
bfd_elf32_tradlittlemips_vec) tb="$tb elf32-mips.lo elfxx-mips.lo elf-vxworks.lo elf32.lo $elf ecofflink.lo" ;;
bfd_elf32_us_cris_vec) tb="$tb elf32-cris.lo elf32.lo $elf" ;;
diff --git a/bfd/configure.in b/bfd/configure.in
index 0532434..fa0d50f 100644
--- a/bfd/configure.in
+++ b/bfd/configure.in
@@ -685,6 +685,7 @@ do
bfd_elf32_shvxworks_vec) tb="$tb elf32-sh.lo elf-vxworks.lo elf32.lo $elf coff-sh.lo" ;;
bfd_elf32_sparc_vec) tb="$tb elf32-sparc.lo elfxx-sparc.lo elf-vxworks.lo elf32.lo $elf" ;;
bfd_elf32_sparc_vxworks_vec) tb="$tb elf32-sparc.lo elfxx-sparc.lo elf-vxworks.lo elf32.lo $elf" ;;
+ bfd_elf32_spu_vec) tb="$tb elf32-spu.lo elf32.lo $elf" ;;
bfd_elf32_tradbigmips_vec) tb="$tb elf32-mips.lo elfxx-mips.lo elf-vxworks.lo elf32.lo $elf ecofflink.lo" ;;
bfd_elf32_tradlittlemips_vec) tb="$tb elf32-mips.lo elfxx-mips.lo elf-vxworks.lo elf32.lo $elf ecofflink.lo" ;;
bfd_elf32_us_cris_vec) tb="$tb elf32-cris.lo elf32.lo $elf" ;;
diff --git a/bfd/cpu-spu.c b/bfd/cpu-spu.c
new file mode 100644
index 0000000..25127f4
--- /dev/null
+++ b/bfd/cpu-spu.c
@@ -0,0 +1,54 @@
+/* Copyright 2006 Free Software Foundation, Inc.
+
+ This file is part of BFD, the Binary File Descriptor library.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, write to the Free Software Foundation, Inc.,
+ 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "libbfd.h"
+
+
+static const bfd_arch_info_type *
+spu_compatible (const bfd_arch_info_type *a, const bfd_arch_info_type *b)
+{
+ BFD_ASSERT (a->arch == bfd_arch_spu);
+ switch (b->arch)
+ {
+ default:
+ return NULL;
+ case bfd_arch_spu:
+ return bfd_default_compatible (a, b);
+ }
+ /*NOTREACHED*/
+}
+
+const bfd_arch_info_type bfd_spu_arch[] =
+{
+ {
+ 32, /* 32 bits in a word */
+ 32, /* 32 bits in an address */
+ 8, /* 8 bits in a byte */
+ bfd_arch_spu, /* architecture */
+ bfd_mach_spu, /* machine */
+ "spu", /* architecture name */
+ "spu:256K", /* printable name */
+ 3, /* aligned power */
+ TRUE, /* the default machine for the architecture */
+ spu_compatible, /* the spu is only compatible with itself, see above */
+ bfd_default_scan,
+ 0, /* next -- there are none! */
+ }
+};
diff --git a/bfd/elf32-spu.c b/bfd/elf32-spu.c
new file mode 100644
index 0000000..5eb0f05
--- /dev/null
+++ b/bfd/elf32-spu.c
@@ -0,0 +1,1749 @@
+/* SPU specific support for 32-bit ELF
+
+ Copyright 2006 Free Software Foundation, Inc.
+
+ This file is part of BFD, the Binary File Descriptor library.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, write to the Free Software Foundation, Inc.,
+ 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "bfdlink.h"
+#include "libbfd.h"
+#include "elf-bfd.h"
+#include "elf/spu.h"
+#include "elf32-spu.h"
+
+/* We use RELA style relocs. Don't define USE_REL. */
+
+static bfd_reloc_status_type spu_elf_rel9 (bfd *, arelent *, asymbol *,
+ void *, asection *,
+ bfd *, char **);
+
+/* Values of type 'enum elf_spu_reloc_type' are used to index this
+ array, so it must be declared in the order of that type. */
+
+static reloc_howto_type elf_howto_table[] = {
+ HOWTO (R_SPU_NONE, 0, 0, 0, FALSE, 0, complain_overflow_dont,
+ bfd_elf_generic_reloc, "SPU_NONE",
+ FALSE, 0, 0x00000000, FALSE),
+ HOWTO (R_SPU_ADDR10, 4, 2, 10, FALSE, 14, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "SPU_ADDR10",
+ FALSE, 0, 0x00ffc000, FALSE),
+ HOWTO (R_SPU_ADDR16, 2, 2, 16, FALSE, 7, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "SPU_ADDR16",
+ FALSE, 0, 0x007fff80, FALSE),
+ HOWTO (R_SPU_ADDR16_HI, 16, 2, 16, FALSE, 7, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "SPU_ADDR16_HI",
+ FALSE, 0, 0x007fff80, FALSE),
+ HOWTO (R_SPU_ADDR16_LO, 0, 2, 16, FALSE, 7, complain_overflow_dont,
+ bfd_elf_generic_reloc, "SPU_ADDR16_LO",
+ FALSE, 0, 0x007fff80, FALSE),
+ HOWTO (R_SPU_ADDR18, 0, 2, 18, FALSE, 7, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "SPU_ADDR18",
+ FALSE, 0, 0x01ffff80, FALSE),
+ HOWTO (R_SPU_ADDR32, 0, 2, 32, FALSE, 0, complain_overflow_dont,
+ bfd_elf_generic_reloc, "SPU_ADDR32",
+ FALSE, 0, 0xffffffff, FALSE),
+ HOWTO (R_SPU_REL16, 2, 2, 16, TRUE, 7, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "SPU_REL16",
+ FALSE, 0, 0x007fff80, TRUE),
+ HOWTO (R_SPU_ADDR7, 0, 2, 7, FALSE, 14, complain_overflow_dont,
+ bfd_elf_generic_reloc, "SPU_ADDR7",
+ FALSE, 0, 0x001fc000, FALSE),
+ HOWTO (R_SPU_REL9, 2, 2, 9, TRUE, 0, complain_overflow_signed,
+ spu_elf_rel9, "SPU_REL9",
+ FALSE, 0, 0x0180007f, TRUE),
+ HOWTO (R_SPU_REL9I, 2, 2, 9, TRUE, 0, complain_overflow_signed,
+ spu_elf_rel9, "SPU_REL9I",
+ FALSE, 0, 0x0000c07f, TRUE),
+ HOWTO (R_SPU_ADDR10I, 0, 2, 10, FALSE, 14, complain_overflow_signed,
+ bfd_elf_generic_reloc, "SPU_ADDR10I",
+ FALSE, 0, 0x00ffc000, FALSE),
+ HOWTO (R_SPU_ADDR16I, 0, 2, 16, FALSE, 7, complain_overflow_signed,
+ bfd_elf_generic_reloc, "SPU_ADDR16I",
+ FALSE, 0, 0x007fff80, FALSE),
+ HOWTO (R_SPU_REL32, 0, 2, 32, TRUE, 0, complain_overflow_dont,
+ bfd_elf_generic_reloc, "SPU_REL32",
+ FALSE, 0, 0xffffffff, TRUE),
+};
+
+static struct bfd_elf_special_section const spu_elf_special_sections[] = {
+ { ".toe", 4, 0, SHT_NOBITS, SHF_ALLOC },
+ { NULL, 0, 0, 0, 0 }
+};
+
+static enum elf_spu_reloc_type
+spu_elf_bfd_to_reloc_type (bfd_reloc_code_real_type code)
+{
+ switch (code)
+ {
+ default:
+ return R_SPU_NONE;
+ case BFD_RELOC_SPU_IMM10W:
+ return R_SPU_ADDR10;
+ case BFD_RELOC_SPU_IMM16W:
+ return R_SPU_ADDR16;
+ case BFD_RELOC_SPU_LO16:
+ return R_SPU_ADDR16_LO;
+ case BFD_RELOC_SPU_HI16:
+ return R_SPU_ADDR16_HI;
+ case BFD_RELOC_SPU_IMM18:
+ return R_SPU_ADDR18;
+ case BFD_RELOC_SPU_PCREL16:
+ return R_SPU_REL16;
+ case BFD_RELOC_SPU_IMM7:
+ return R_SPU_ADDR7;
+ case BFD_RELOC_SPU_IMM8:
+ return R_SPU_NONE;
+ case BFD_RELOC_SPU_PCREL9a:
+ return R_SPU_REL9;
+ case BFD_RELOC_SPU_PCREL9b:
+ return R_SPU_REL9I;
+ case BFD_RELOC_SPU_IMM10:
+ return R_SPU_ADDR10I;
+ case BFD_RELOC_SPU_IMM16:
+ return R_SPU_ADDR16I;
+ case BFD_RELOC_32:
+ return R_SPU_ADDR32;
+ case BFD_RELOC_32_PCREL:
+ return R_SPU_REL32;
+ }
+}
+
+static void
+spu_elf_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
+ arelent *cache_ptr,
+ Elf_Internal_Rela *dst)
+{
+ enum elf_spu_reloc_type r_type;
+
+ r_type = (enum elf_spu_reloc_type) ELF32_R_TYPE (dst->r_info);
+ BFD_ASSERT (r_type < R_SPU_max);
+ cache_ptr->howto = &elf_howto_table[(int) r_type];
+}
+
+static reloc_howto_type *
+spu_elf_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+ bfd_reloc_code_real_type code)
+{
+ return elf_howto_table + spu_elf_bfd_to_reloc_type (code);
+}
+
+/* Apply R_SPU_REL9 and R_SPU_REL9I relocs. */
+
+static bfd_reloc_status_type
+spu_elf_rel9 (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
+ void *data, asection *input_section,
+ bfd *output_bfd, char **error_message)
+{
+ bfd_size_type octets;
+ bfd_vma val;
+ long insn;
+
+ /* If this is a relocatable link (output_bfd test tells us), just
+ call the generic function. Any adjustment will be done at final
+ link time. */
+ if (output_bfd != NULL)
+ return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
+ input_section, output_bfd, error_message);
+
+ if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
+ return bfd_reloc_outofrange;
+ octets = reloc_entry->address * bfd_octets_per_byte (abfd);
+
+ /* Get symbol value. */
+ val = 0;
+ if (!bfd_is_com_section (symbol->section))
+ val = symbol->value;
+ if (symbol->section->output_section)
+ val += symbol->section->output_section->vma;
+
+ val += reloc_entry->addend;
+
+ /* Make it pc-relative. */
+ val -= input_section->output_section->vma + input_section->output_offset;
+
+ val >>= 2;
+ if (val + 256 >= 512)
+ return bfd_reloc_overflow;
+
+ insn = bfd_get_32 (abfd, (bfd_byte *) data + octets);
+
+ /* Move two high bits of value to REL9I and REL9 position.
+ The mask will take care of selecting the right field. */
+ val = (val & 0x7f) | ((val & 0x180) << 7) | ((val & 0x180) << 16);
+ insn &= ~reloc_entry->howto->dst_mask;
+ insn |= val & reloc_entry->howto->dst_mask;
+ bfd_put_32 (abfd, insn, (bfd_byte *) data + octets);
+ return bfd_reloc_ok;
+}
+
+static bfd_boolean
+spu_elf_new_section_hook (bfd *abfd, asection *sec)
+{
+ if (!sec->used_by_bfd)
+ {
+ struct _spu_elf_section_data *sdata;
+
+ sdata = bfd_zalloc (abfd, sizeof (*sdata));
+ if (sdata == NULL)
+ return FALSE;
+ sec->used_by_bfd = sdata;
+ }
+
+ return _bfd_elf_new_section_hook (abfd, sec);
+}
+
+/* Specially mark defined symbols named _EAR_* with BSF_KEEP so that
+ strip --strip-unneeded will not remove them. */
+
+static void
+spu_elf_backend_symbol_processing (bfd *abfd ATTRIBUTE_UNUSED, asymbol *sym)
+{
+ if (sym->name != NULL
+ && sym->section != bfd_abs_section_ptr
+ && strncmp (sym->name, "_EAR_", 5) == 0)
+ sym->flags |= BSF_KEEP;
+}
+
+/* SPU ELF linker hash table. */
+
+struct spu_link_hash_table
+{
+ struct elf_link_hash_table elf;
+
+ /* The stub hash table. */
+ struct bfd_hash_table stub_hash_table;
+
+ /* Shortcuts to overlay sections. */
+ asection *stub;
+ asection *ovtab;
+
+ struct elf_link_hash_entry *ovly_load;
+
+ /* An array of two output sections per overlay region, chosen such that
+ the first section vma is the overlay buffer vma (ie. the section has
+ the lowest vma in the group that occupy the region), and the second
+ section vma+size specifies the end of the region. We keep pointers
+ to sections like this because section vmas may change when laying
+ them out. */
+ asection **ovl_region;
+
+ /* Number of overlay buffers. */
+ unsigned int num_buf;
+
+ /* Total number of overlays. */
+ unsigned int num_overlays;
+
+ /* Set if we should emit symbols for stubs. */
+ unsigned int emit_stub_syms:1;
+
+ /* Set if we want stubs on calls out of overlay regions to
+ non-overlay regions. */
+ unsigned int non_overlay_stubs : 1;
+
+ /* Set on error. */
+ unsigned int stub_overflow : 1;
+};
+
+#define spu_hash_table(p) \
+ ((struct spu_link_hash_table *) ((p)->hash))
+
+struct spu_stub_hash_entry
+{
+ struct bfd_hash_entry root;
+
+ /* Destination of this stub. */
+ asection *target_section;
+ bfd_vma target_off;
+
+ /* Offset of entry in stub section. */
+ bfd_vma off;
+
+ /* Offset from this stub to stub that loads the overlay index. */
+ bfd_vma delta;
+};
+
+/* Create an entry in a spu stub hash table. */
+
+static struct bfd_hash_entry *
+stub_hash_newfunc (struct bfd_hash_entry *entry,
+ struct bfd_hash_table *table,
+ const char *string)
+{
+ /* Allocate the structure if it has not already been allocated by a
+ subclass. */
+ if (entry == NULL)
+ {
+ entry = bfd_hash_allocate (table, sizeof (struct spu_stub_hash_entry));
+ if (entry == NULL)
+ return entry;
+ }
+
+ /* Call the allocation method of the superclass. */
+ entry = bfd_hash_newfunc (entry, table, string);
+ if (entry != NULL)
+ {
+ struct spu_stub_hash_entry *sh = (struct spu_stub_hash_entry *) entry;
+
+ sh->target_section = NULL;
+ sh->target_off = 0;
+ sh->off = 0;
+ sh->delta = 0;
+ }
+
+ return entry;
+}
+
+/* Create a spu ELF linker hash table. */
+
+static struct bfd_link_hash_table *
+spu_elf_link_hash_table_create (bfd *abfd)
+{
+ struct spu_link_hash_table *htab;
+
+ htab = bfd_malloc (sizeof (*htab));
+ if (htab == NULL)
+ return NULL;
+
+ if (!_bfd_elf_link_hash_table_init (&htab->elf, abfd,
+ _bfd_elf_link_hash_newfunc,
+ sizeof (struct elf_link_hash_entry)))
+ {
+ free (htab);
+ return NULL;
+ }
+
+ /* Init the stub hash table too. */
+ if (!bfd_hash_table_init (&htab->stub_hash_table, stub_hash_newfunc,
+ sizeof (struct spu_stub_hash_entry)))
+ return NULL;
+
+ memset (&htab->stub, 0,
+ sizeof (*htab) - offsetof (struct spu_link_hash_table, stub));
+
+ return &htab->elf.root;
+}
+
+/* Free the derived linker hash table. */
+
+static void
+spu_elf_link_hash_table_free (struct bfd_link_hash_table *hash)
+{
+ struct spu_link_hash_table *ret = (struct spu_link_hash_table *) hash;
+
+ bfd_hash_table_free (&ret->stub_hash_table);
+ _bfd_generic_link_hash_table_free (hash);
+}
+
+/* Find the symbol for the given R_SYMNDX in IBFD and set *HP and *SYMP
+ to (hash, NULL) for global symbols, and (NULL, sym) for locals. Set
+ *SYMSECP to the symbol's section. *LOCSYMSP caches local syms. */
+
+static bfd_boolean
+get_sym_h (struct elf_link_hash_entry **hp,
+ Elf_Internal_Sym **symp,
+ asection **symsecp,
+ Elf_Internal_Sym **locsymsp,
+ unsigned long r_symndx,
+ bfd *ibfd)
+{
+ Elf_Internal_Shdr *symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
+
+ if (r_symndx >= symtab_hdr->sh_info)
+ {
+ struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (ibfd);
+ struct elf_link_hash_entry *h;
+
+ h = sym_hashes[r_symndx - symtab_hdr->sh_info];
+ while (h->root.type == bfd_link_hash_indirect
+ || h->root.type == bfd_link_hash_warning)
+ h = (struct elf_link_hash_entry *) h->root.u.i.link;
+
+ if (hp != NULL)
+ *hp = h;
+
+ if (symp != NULL)
+ *symp = NULL;
+
+ if (symsecp != NULL)
+ {
+ asection *symsec = NULL;
+ if (h->root.type == bfd_link_hash_defined
+ || h->root.type == bfd_link_hash_defweak)
+ symsec = h->root.u.def.section;
+ *symsecp = symsec;
+ }
+ }
+ else
+ {
+ Elf_Internal_Sym *sym;
+ Elf_Internal_Sym *locsyms = *locsymsp;
+
+ if (locsyms == NULL)
+ {
+ locsyms = (Elf_Internal_Sym *) symtab_hdr->contents;
+ if (locsyms == NULL)
+ locsyms = bfd_elf_get_elf_syms (ibfd, symtab_hdr,
+ symtab_hdr->sh_info,
+ 0, NULL, NULL, NULL);
+ if (locsyms == NULL)
+ return FALSE;
+ *locsymsp = locsyms;
+ }
+ sym = locsyms + r_symndx;
+
+ if (hp != NULL)
+ *hp = NULL;
+
+ if (symp != NULL)
+ *symp = sym;
+
+ if (symsecp != NULL)
+ {
+ asection *symsec = NULL;
+ if ((sym->st_shndx != SHN_UNDEF
+ && sym->st_shndx < SHN_LORESERVE)
+ || sym->st_shndx > SHN_HIRESERVE)
+ symsec = bfd_section_from_elf_index (ibfd, sym->st_shndx);
+ *symsecp = symsec;
+ }
+ }
+ return TRUE;
+}
+
+/* Build a name for an entry in the stub hash table. The input section
+ id isn't really necessary but we add that in for consistency with
+ ppc32 and ppc64 stub names. We can't use a local symbol name
+ because ld -r might generate duplicate local symbols. */
+
+static char *
+spu_stub_name (const asection *input_sec,
+ const asection *sym_sec,
+ const struct elf_link_hash_entry *h,
+ const Elf_Internal_Rela *rel)
+{
+ char *stub_name;
+ bfd_size_type len;
+
+ if (h)
+ {
+ len = 8 + 1 + strlen (h->root.root.string) + 1 + 8 + 1;
+ stub_name = bfd_malloc (len);
+ if (stub_name == NULL)
+ return stub_name;
+
+ sprintf (stub_name, "%08x.%s+%x",
+ input_sec->id & 0xffffffff,
+ h->root.root.string,
+ (int) rel->r_addend & 0xffffffff);
+ len -= 8;
+ }
+ else
+ {
+ len = 8 + 1 + 8 + 1 + 8 + 1 + 8 + 1;
+ stub_name = bfd_malloc (len);
+ if (stub_name == NULL)
+ return stub_name;
+
+ sprintf (stub_name, "%08x.%x:%x+%x",
+ input_sec->id & 0xffffffff,
+ sym_sec->id & 0xffffffff,
+ (int) ELF32_R_SYM (rel->r_info) & 0xffffffff,
+ (int) rel->r_addend & 0xffffffff);
+ len = strlen (stub_name);
+ }
+
+ if (stub_name[len - 2] == '+'
+ && stub_name[len - 1] == '0'
+ && stub_name[len] == 0)
+ stub_name[len - 2] = 0;
+
+ return stub_name;
+}
+
+/* Create the note section if not already present. This is done early so
+ that the linker maps the sections to the right place in the output. */
+
+bfd_boolean
+spu_elf_create_sections (bfd *output_bfd, struct bfd_link_info *info)
+{
+ bfd *ibfd;
+
+ for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->next)
+ if (bfd_get_section_by_name (ibfd, SPU_PTNOTE_SPUNAME) != NULL)
+ break;
+
+ if (ibfd == NULL)
+ {
+ /* Make SPU_PTNOTE_SPUNAME section. */
+ asection *s;
+ size_t name_len;
+ size_t size;
+ bfd_byte *data;
+ flagword flags;
+
+ ibfd = info->input_bfds;
+ flags = SEC_LOAD | SEC_READONLY | SEC_HAS_CONTENTS | SEC_IN_MEMORY;
+ s = bfd_make_section_anyway_with_flags (ibfd, SPU_PTNOTE_SPUNAME, flags);
+ if (s == NULL
+ || !bfd_set_section_alignment (ibfd, s, 4))
+ return FALSE;
+
+ name_len = strlen (bfd_get_filename (output_bfd)) + 1;
+ size = 12 + ((sizeof (SPU_PLUGIN_NAME) + 3) & -4);
+ size += (name_len + 3) & -4;
+
+ if (!bfd_set_section_size (ibfd, s, size))
+ return FALSE;
+
+ data = bfd_zalloc (ibfd, size);
+ if (data == NULL)
+ return FALSE;
+
+ bfd_put_32 (ibfd, sizeof (SPU_PLUGIN_NAME), data + 0);
+ bfd_put_32 (ibfd, name_len, data + 4);
+ bfd_put_32 (ibfd, 1, data + 8);
+ memcpy (data + 12, SPU_PLUGIN_NAME, sizeof (SPU_PLUGIN_NAME));
+ memcpy (data + 12 + ((sizeof (SPU_PLUGIN_NAME) + 3) & -4),
+ bfd_get_filename (output_bfd), name_len);
+ s->contents = data;
+ }
+
+ return TRUE;
+}
+
+/* Return the section that should be marked against GC for a given
+ relocation. */
+
+static asection *
+spu_elf_gc_mark_hook (asection *sec,
+ struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ Elf_Internal_Rela *rel ATTRIBUTE_UNUSED,
+ struct elf_link_hash_entry *h,
+ Elf_Internal_Sym *sym)
+{
+ if (h != NULL)
+ {
+ switch (h->root.type)
+ {
+ case bfd_link_hash_defined:
+ case bfd_link_hash_defweak:
+ return h->root.u.def.section;
+
+ case bfd_link_hash_common:
+ return h->root.u.c.p->section;
+
+ default:
+ break;
+ }
+ }
+ else
+ return bfd_section_from_elf_index (sec->owner, sym->st_shndx);
+
+ return NULL;
+}
+
+/* qsort predicate to sort sections by vma. */
+
+static int
+sort_sections (const void *a, const void *b)
+{
+ const asection *const *s1 = a;
+ const asection *const *s2 = b;
+ bfd_signed_vma delta = (*s1)->vma - (*s2)->vma;
+
+ if (delta != 0)
+ return delta < 0 ? -1 : 1;
+
+ return (*s1)->index - (*s2)->index;
+}
+
+/* Identify overlays in the output bfd, and number them. */
+
+bfd_boolean
+spu_elf_find_overlays (bfd *output_bfd, struct bfd_link_info *info)
+{
+ struct spu_link_hash_table *htab = spu_hash_table (info);
+ asection **alloc_sec;
+ unsigned int i, n, ovl_index, num_buf;
+ asection *s;
+ bfd_vma ovl_end;
+
+ if (output_bfd->section_count < 2)
+ return FALSE;
+
+ alloc_sec = bfd_malloc (output_bfd->section_count * sizeof (*alloc_sec));
+ if (alloc_sec == NULL)
+ return FALSE;
+
+ /* Pick out all the alloced sections. */
+ for (n = 0, s = output_bfd->sections; s != NULL; s = s->next)
+ if ((s->flags & SEC_ALLOC) != 0
+ && (s->flags & (SEC_LOAD | SEC_THREAD_LOCAL)) != SEC_THREAD_LOCAL
+ && s->size != 0)
+ alloc_sec[n++] = s;
+
+ if (n == 0)
+ {
+ free (alloc_sec);
+ return FALSE;
+ }
+
+ /* Sort them by vma. */
+ qsort (alloc_sec, n, sizeof (*alloc_sec), sort_sections);
+
+ /* Look for overlapping vmas. Any with overlap must be overlays.
+ Count them. Also count the number of overlay regions and for
+ each region save a section from that region with the lowest vma
+ and another section with the highest end vma. */
+ ovl_end = alloc_sec[0]->vma + alloc_sec[0]->size;
+ for (ovl_index = 0, num_buf = 0, i = 1; i < n; i++)
+ {
+ s = alloc_sec[i];
+ if (s->vma < ovl_end)
+ {
+ asection *s0 = alloc_sec[i - 1];
+
+ if (spu_elf_section_data (s0)->ovl_index == 0)
+ {
+ spu_elf_section_data (s0)->ovl_index = ++ovl_index;
+ alloc_sec[num_buf * 2] = s0;
+ alloc_sec[num_buf * 2 + 1] = s0;
+ num_buf++;
+ }
+ spu_elf_section_data (s)->ovl_index = ++ovl_index;
+ if (ovl_end < s->vma + s->size)
+ {
+ ovl_end = s->vma + s->size;
+ alloc_sec[num_buf * 2 - 1] = s;
+ }
+ }
+ else
+ ovl_end = s->vma + s->size;
+ }
+
+ htab->num_overlays = ovl_index;
+ htab->num_buf = num_buf;
+ if (ovl_index == 0)
+ {
+ free (alloc_sec);
+ return FALSE;
+ }
+
+ alloc_sec = bfd_realloc (alloc_sec, num_buf * 2 * sizeof (*alloc_sec));
+ if (alloc_sec == NULL)
+ return FALSE;
+
+ htab->ovl_region = alloc_sec;
+ return TRUE;
+}
+
+/* One of these per stub. */
+#define SIZEOF_STUB1 8
+#define ILA_79 0x4200004f /* ila $79,function_address */
+#define BR 0x32000000 /* br stub2 */
+
+/* One of these per overlay. */
+#define SIZEOF_STUB2 8
+#define ILA_78 0x4200004e /* ila $78,overlay_number */
+ /* br __ovly_load */
+#define NOP 0x40200000
+
+/* Return true for all relative and absolute branch and hint instructions.
+ bra 00110000 0..
+ brasl 00110001 0..
+ br 00110010 0..
+ brsl 00110011 0..
+ brz 00100000 0..
+ brnz 00100001 0..
+ brhz 00100010 0..
+ brhnz 00100011 0..
+ hbra 0001000..
+ hbrr 0001001.. */
+
+static bfd_boolean
+is_branch (const unsigned char *insn)
+{
+ return (((insn[0] & 0xec) == 0x20 && (insn[1] & 0x80) == 0)
+ || (insn[0] & 0xfc) == 0x10);
+}
+
+struct stubarr {
+ struct spu_stub_hash_entry **sh;
+ unsigned int count;
+};
+
+/* Called via bfd_hash_traverse to set up pointers to all symbols
+ in the stub hash table. */
+
+static bfd_boolean
+populate_stubs (struct bfd_hash_entry *bh, void *inf)
+{
+ struct stubarr *stubs = inf;
+
+ stubs->sh[--stubs->count] = (struct spu_stub_hash_entry *) bh;
+ return TRUE;
+}
+
+/* qsort predicate to sort stubs by overlay number. */
+
+static int
+sort_stubs (const void *a, const void *b)
+{
+ const struct spu_stub_hash_entry *const *sa = a;
+ const struct spu_stub_hash_entry *const *sb = b;
+ int i;
+ bfd_signed_vma d;
+
+ i = spu_elf_section_data ((*sa)->target_section->output_section)->ovl_index;
+ i -= spu_elf_section_data ((*sb)->target_section->output_section)->ovl_index;
+ if (i != 0)
+ return i;
+
+ d = ((*sa)->target_section->output_section->vma
+ + (*sa)->target_section->output_offset
+ + (*sa)->target_off
+ - (*sb)->target_section->output_section->vma
+ - (*sb)->target_section->output_offset
+ - (*sb)->target_off);
+ if (d != 0)
+ return d < 0 ? -1 : 1;
+
+ /* Two functions at the same address. Aliases perhaps. */
+ i = strcmp ((*sb)->root.string, (*sa)->root.string);
+ BFD_ASSERT (i != 0);
+ return i;
+}
+
+/* Allocate space for overlay call and return stubs. */
+
+bfd_boolean
+spu_elf_size_stubs (bfd *output_bfd,
+ struct bfd_link_info *info,
+ int non_overlay_stubs,
+ asection **stub,
+ asection **ovtab,
+ asection **toe)
+{
+ struct spu_link_hash_table *htab = spu_hash_table (info);
+ bfd *ibfd;
+ struct stubarr stubs;
+ unsigned i, group;
+ flagword flags;
+
+ htab->non_overlay_stubs = non_overlay_stubs;
+ stubs.count = 0;
+ for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
+ {
+ extern const bfd_target bfd_elf32_spu_vec;
+ Elf_Internal_Shdr *symtab_hdr;
+ asection *section;
+ Elf_Internal_Sym *local_syms = NULL;
+
+ if (ibfd->xvec != &bfd_elf32_spu_vec)
+ continue;
+
+ /* We'll need the symbol table in a second. */
+ symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
+ if (symtab_hdr->sh_info == 0)
+ continue;
+
+ /* Walk over each section attached to the input bfd. */
+ for (section = ibfd->sections; section != NULL; section = section->next)
+ {
+ Elf_Internal_Rela *internal_relocs, *irelaend, *irela;
+
+ /* If there aren't any relocs, then there's nothing more to do. */
+ if ((section->flags & SEC_RELOC) == 0
+ || (section->flags & SEC_ALLOC) == 0
+ || (section->flags & SEC_LOAD) == 0
+ || section->reloc_count == 0)
+ continue;
+
+ /* If this section is a link-once section that will be
+ discarded, then don't create any stubs. */
+ if (section->output_section == NULL
+ || section->output_section->owner != output_bfd)
+ continue;
+
+ /* Get the relocs. */
+ internal_relocs
+ = _bfd_elf_link_read_relocs (ibfd, section, NULL, NULL,
+ info->keep_memory);
+ if (internal_relocs == NULL)
+ goto error_ret_free_local;
+
+ /* Now examine each relocation. */
+ irela = internal_relocs;
+ irelaend = irela + section->reloc_count;
+ for (; irela < irelaend; irela++)
+ {
+ enum elf_spu_reloc_type r_type;
+ unsigned int r_indx;
+ asection *sym_sec;
+ Elf_Internal_Sym *sym;
+ struct elf_link_hash_entry *h;
+ char *stub_name;
+ struct spu_stub_hash_entry *sh;
+ unsigned int sym_type;
+ enum _insn_type { non_branch, branch, call } insn_type;
+
+ r_type = ELF32_R_TYPE (irela->r_info);
+ r_indx = ELF32_R_SYM (irela->r_info);
+
+ if (r_type >= R_SPU_max)
+ {
+ bfd_set_error (bfd_error_bad_value);
+ goto error_ret_free_internal;
+ }
+
+ /* Determine the reloc target section. */
+ if (!get_sym_h (&h, &sym, &sym_sec, &local_syms, r_indx, ibfd))
+ goto error_ret_free_internal;
+
+ if (sym_sec == NULL
+ || sym_sec->output_section == NULL
+ || sym_sec->output_section->owner != output_bfd)
+ continue;
+
+ /* Ensure no stubs for user supplied overlay manager syms. */
+ if (h != NULL
+ && (strcmp (h->root.root.string, "__ovly_load") == 0
+ || strcmp (h->root.root.string, "__ovly_return") == 0))
+ continue;
+
+ insn_type = non_branch;
+ if (r_type == R_SPU_REL16
+ || r_type == R_SPU_ADDR16)
+ {
+ unsigned char insn[4];
+
+ if (!bfd_get_section_contents (ibfd, section, insn,
+ irela->r_offset, 4))
+ goto error_ret_free_internal;
+
+ if (is_branch (insn))
+ {
+ insn_type = branch;
+ if ((insn[0] & 0xfd) == 0x31)
+ insn_type = call;
+ }
+ }
+
+ /* We are only interested in function symbols. */
+ if (h != NULL)
+ sym_type = h->type;
+ else
+ sym_type = ELF_ST_TYPE (sym->st_info);
+ if (sym_type != STT_FUNC)
+ {
+ /* It's common for people to write assembly and forget
+ to give function symbols the right type. Handle
+ calls to such symbols, but warn so that (hopefully)
+ people will fix their code. We need the symbol
+ type to be correct to distinguish function pointer
+ initialisation from other pointer initialisation. */
+ if (insn_type == call)
+ {
+ const char *sym_name;
+
+ if (h != NULL)
+ sym_name = h->root.root.string;
+ else
+ sym_name = bfd_elf_sym_name (sym_sec->owner,
+ symtab_hdr,
+ sym,
+ sym_sec);
+
+ (*_bfd_error_handler) (_("warning: call to non-function"
+ " symbol %s defined in %B"),
+ sym_name, sym_sec->owner);
+ }
+ else
+ continue;
+ }
+
+ /* Usually, non-overlay sections don't need stubs. */
+ if (!spu_elf_section_data (sym_sec->output_section)->ovl_index
+ && !non_overlay_stubs)
+ continue;
+
+ /* We need a reference from some other section before
+ we consider that a symbol might need an overlay stub. */
+ if (spu_elf_section_data (sym_sec->output_section)->ovl_index
+ == spu_elf_section_data (section->output_section)->ovl_index)
+ {
+ /* Or we need this to *not* be a branch. ie. We are
+ possibly taking the address of a function and
+ passing it out somehow. */
+ if (insn_type != non_branch)
+ continue;
+ }
+
+ stub_name = spu_stub_name (section, sym_sec, h, irela);
+ if (stub_name == NULL)
+ goto error_ret_free_internal;
+
+ sh = (struct spu_stub_hash_entry *)
+ bfd_hash_lookup (&htab->stub_hash_table, stub_name,
+ TRUE, FALSE);
+ if (sh == NULL)
+ {
+ free (stub_name);
+ error_ret_free_internal:
+ if (elf_section_data (section)->relocs != internal_relocs)
+ free (internal_relocs);
+ error_ret_free_local:
+ if (local_syms != NULL
+ && (symtab_hdr->contents
+ != (unsigned char *) local_syms))
+ free (local_syms);
+ return FALSE;
+ }
+
+ /* If this entry isn't new, we already have a stub. */
+ if (sh->target_section != NULL)
+ {
+ free (stub_name);
+ continue;
+ }
+
+ sh->target_section = sym_sec;
+ if (h != NULL)
+ sh->target_off = h->root.u.def.value;
+ else
+ sh->target_off = sym->st_value;
+ sh->target_off += irela->r_addend;
+
+ stubs.count += 1;
+ }
+
+ /* We're done with the internal relocs, free them. */
+ if (elf_section_data (section)->relocs != internal_relocs)
+ free (internal_relocs);
+ }
+
+ if (local_syms != NULL
+ && symtab_hdr->contents != (unsigned char *) local_syms)
+ {
+ if (!info->keep_memory)
+ free (local_syms);
+ else
+ symtab_hdr->contents = (unsigned char *) local_syms;
+ }
+ }
+
+ *stub = NULL;
+ if (stubs.count == 0)
+ return TRUE;
+
+ ibfd = info->input_bfds;
+ flags = (SEC_ALLOC | SEC_LOAD | SEC_CODE | SEC_READONLY
+ | SEC_HAS_CONTENTS | SEC_IN_MEMORY);
+ htab->stub = bfd_make_section_anyway_with_flags (ibfd, ".stub", flags);
+ *stub = htab->stub;
+ if (htab->stub == NULL
+ || !bfd_set_section_alignment (ibfd, htab->stub, 2))
+ return FALSE;
+
+ flags = (SEC_ALLOC | SEC_LOAD
+ | SEC_HAS_CONTENTS | SEC_IN_MEMORY);
+ htab->ovtab = bfd_make_section_anyway_with_flags (ibfd, ".ovtab", flags);
+ *ovtab = htab->ovtab;
+ if (htab->ovtab == NULL
+ || !bfd_set_section_alignment (ibfd, htab->stub, 4))
+ return FALSE;
+
+ *toe = bfd_make_section_anyway_with_flags (ibfd, ".toe", SEC_ALLOC);
+ if (*toe == NULL
+ || !bfd_set_section_alignment (ibfd, *toe, 4))
+ return FALSE;
+ (*toe)->size = 16;
+
+ /* Retrieve all the stubs and sort. */
+ stubs.sh = bfd_malloc (stubs.count * sizeof (*stubs.sh));
+ if (stubs.sh == NULL)
+ return FALSE;
+ i = stubs.count;
+ bfd_hash_traverse (&htab->stub_hash_table, populate_stubs, &stubs);
+ BFD_ASSERT (stubs.count == 0);
+
+ stubs.count = i;
+ qsort (stubs.sh, stubs.count, sizeof (*stubs.sh), sort_stubs);
+
+ /* Now that the stubs are sorted, place them in the stub section.
+ Stubs are grouped per overlay
+ . ila $79,func1
+ . br 1f
+ . ila $79,func2
+ . br 1f
+ .
+ .
+ . ila $79,funcn
+ . nop
+ . 1:
+ . ila $78,ovl_index
+ . br __ovly_load */
+
+ group = 0;
+ for (i = 0; i < stubs.count; i++)
+ {
+ if (spu_elf_section_data (stubs.sh[group]->target_section
+ ->output_section)->ovl_index
+ != spu_elf_section_data (stubs.sh[i]->target_section
+ ->output_section)->ovl_index)
+ {
+ htab->stub->size += SIZEOF_STUB2;
+ for (; group != i; group++)
+ stubs.sh[group]->delta
+ = stubs.sh[i - 1]->off - stubs.sh[group]->off;
+ }
+ if (group == i
+ || ((stubs.sh[i - 1]->target_section->output_section->vma
+ + stubs.sh[i - 1]->target_section->output_offset
+ + stubs.sh[i - 1]->target_off)
+ != (stubs.sh[i]->target_section->output_section->vma
+ + stubs.sh[i]->target_section->output_offset
+ + stubs.sh[i]->target_off)))
+ {
+ stubs.sh[i]->off = htab->stub->size;
+ htab->stub->size += SIZEOF_STUB1;
+ }
+ else
+ stubs.sh[i]->off = stubs.sh[i - 1]->off;
+ }
+ if (group != i)
+ htab->stub->size += SIZEOF_STUB2;
+ for (; group != i; group++)
+ stubs.sh[group]->delta = stubs.sh[i - 1]->off - stubs.sh[group]->off;
+
+ /* htab->ovtab consists of two arrays.
+ . struct {
+ . u32 vma;
+ . u32 size;
+ . u32 file_off;
+ . u32 buf;
+ . } _ovly_table[];
+ .
+ . struct {
+ . u32 mapped;
+ . } _ovly_buf_table[]; */
+
+ htab->ovtab->alignment_power = 4;
+ htab->ovtab->size = htab->num_overlays * 16 + htab->num_buf * 4;
+
+ return TRUE;
+}
+
+/* Functions to handle embedded spu_ovl.o object. */
+
+static void *
+ovl_mgr_open (struct bfd *nbfd ATTRIBUTE_UNUSED, void *stream)
+{
+ return stream;
+}
+
+static file_ptr
+ovl_mgr_pread (struct bfd *abfd ATTRIBUTE_UNUSED,
+ void *stream,
+ void *buf,
+ file_ptr nbytes,
+ file_ptr offset)
+{
+ struct _ovl_stream *os;
+ size_t count;
+ size_t max;
+
+ os = (struct _ovl_stream *) stream;
+ max = (char *) os->end - (char *) os->start;
+
+ if ((ufile_ptr) offset >= max)
+ return 0;
+
+ count = nbytes;
+ if (count > max - offset)
+ count = max - offset;
+
+ memcpy (buf, (char *) os->start + offset, count);
+ return count;
+}
+
+bfd_boolean
+spu_elf_open_builtin_lib (bfd **ovl_bfd, const struct _ovl_stream *stream)
+{
+ *ovl_bfd = bfd_openr_iovec ("builtin ovl_mgr",
+ "elf32-spu",
+ ovl_mgr_open,
+ (void *) stream,
+ ovl_mgr_pread,
+ NULL);
+ return *ovl_bfd != NULL;
+}
+
+/* Fill in the ila and br for a stub. On the last stub for a group,
+ write the stub that sets the overlay number too. */
+
+static bfd_boolean
+write_one_stub (struct bfd_hash_entry *bh, void *inf)
+{
+ struct spu_stub_hash_entry *ent = (struct spu_stub_hash_entry *) bh;
+ struct spu_link_hash_table *htab = inf;
+ asection *sec = htab->stub;
+ asection *s = ent->target_section;
+ unsigned int ovl;
+ bfd_vma val;
+
+ val = ent->target_off + s->output_offset + s->output_section->vma;
+ bfd_put_32 (sec->owner, ILA_79 + ((val << 7) & 0x01ffff80),
+ sec->contents + ent->off);
+ val = ent->delta + 4;
+ bfd_put_32 (sec->owner, BR + ((val << 5) & 0x007fff80),
+ sec->contents + ent->off + 4);
+
+ /* If this is the last stub of this group, write stub2. */
+ if (ent->delta == 0)
+ {
+ bfd_put_32 (sec->owner, NOP,
+ sec->contents + ent->off + 4);
+
+ ovl = spu_elf_section_data (s->output_section)->ovl_index;
+ bfd_put_32 (sec->owner, ILA_78 + ((ovl << 7) & 0x01ffff80),
+ sec->contents + ent->off + 8);
+
+ val = (htab->ovly_load->root.u.def.section->output_section->vma
+ + htab->ovly_load->root.u.def.section->output_offset
+ + htab->ovly_load->root.u.def.value
+ - (sec->output_section->vma
+ + sec->output_offset
+ + ent->off + 12));
+
+ if (val + 0x20000 >= 0x40000)
+ htab->stub_overflow = TRUE;
+
+ bfd_put_32 (sec->owner, BR + ((val << 5) & 0x007fff80),
+ sec->contents + ent->off + 12);
+ }
+
+ if (htab->emit_stub_syms)
+ {
+ struct elf_link_hash_entry *h;
+ size_t len1, len2;
+ char *name;
+
+ len1 = sizeof ("ovl_call.") - 1;
+ len2 = strlen (ent->root.string);
+ name = bfd_malloc (len1 + len2 + 1);
+ if (name == NULL)
+ return FALSE;
+ memcpy (name, ent->root.string, 9);
+ memcpy (name + 9, "ovl_call.", len1);
+ memcpy (name + 9 + len1, ent->root.string + 9, len2 - 9 + 1);
+ h = elf_link_hash_lookup (&htab->elf, name, TRUE, FALSE, FALSE);
+ if (h == NULL)
+ return FALSE;
+ if (h->root.type == bfd_link_hash_new)
+ {
+ h->root.type = bfd_link_hash_defined;
+ h->root.u.def.section = sec;
+ h->root.u.def.value = ent->off;
+ h->size = (ent->delta == 0
+ ? SIZEOF_STUB1 + SIZEOF_STUB2 : SIZEOF_STUB1);
+ h->type = STT_FUNC;
+ h->ref_regular = 1;
+ h->def_regular = 1;
+ h->ref_regular_nonweak = 1;
+ h->forced_local = 1;
+ h->non_elf = 0;
+ }
+ }
+
+ return TRUE;
+}
+
+/* Define an STT_OBJECT symbol. */
+
+static struct elf_link_hash_entry *
+define_ovtab_symbol (struct spu_link_hash_table *htab, const char *name)
+{
+ struct elf_link_hash_entry *h;
+
+ h = elf_link_hash_lookup (&htab->elf, name, TRUE, FALSE, FALSE);
+ if (h == NULL)
+ return NULL;
+
+ if (h->root.type != bfd_link_hash_defined
+ || !h->def_regular)
+ {
+ h->root.type = bfd_link_hash_defined;
+ h->root.u.def.section = htab->ovtab;
+ h->type = STT_OBJECT;
+ h->ref_regular = 1;
+ h->def_regular = 1;
+ h->ref_regular_nonweak = 1;
+ h->non_elf = 0;
+ }
+ else
+ {
+ (*_bfd_error_handler) (_("%B is not allowed to define %s"),
+ h->root.u.def.section->owner,
+ h->root.root.string);
+ bfd_set_error (bfd_error_bad_value);
+ return NULL;
+ }
+
+ return h;
+}
+
+/* Fill in all stubs and the overlay tables. */
+
+bfd_boolean
+spu_elf_build_stubs (struct bfd_link_info *info, int emit_syms, asection *toe)
+{
+ struct spu_link_hash_table *htab = spu_hash_table (info);
+ struct elf_link_hash_entry *h;
+ bfd_byte *p;
+ asection *s;
+ bfd *obfd;
+ unsigned int i;
+
+ htab->emit_stub_syms = emit_syms;
+ htab->stub->contents = bfd_zalloc (htab->stub->owner, htab->stub->size);
+ if (htab->stub->contents == NULL)
+ return FALSE;
+
+ h = elf_link_hash_lookup (&htab->elf, "__ovly_load", FALSE, FALSE, FALSE);
+ htab->ovly_load = 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)->ovl_index)
+ {
+ (*_bfd_error_handler) (_("%s in overlay section"),
+ h->root.u.def.section->owner);
+ bfd_set_error (bfd_error_bad_value);
+ return FALSE;
+ }
+
+ /* Write out all the stubs. */
+ bfd_hash_traverse (&htab->stub_hash_table, write_one_stub, htab);
+
+ if (htab->stub_overflow)
+ {
+ (*_bfd_error_handler) (_("overlay stub relocation overflow"));
+ bfd_set_error (bfd_error_bad_value);
+ return FALSE;
+ }
+
+ htab->ovtab->contents = bfd_zalloc (htab->ovtab->owner, htab->ovtab->size);
+ if (htab->ovtab->contents == NULL)
+ return FALSE;
+
+ /* Write out _ovly_table. */
+ p = htab->ovtab->contents;
+ obfd = htab->ovtab->output_section->owner;
+ for (s = obfd->sections; s != NULL; s = s->next)
+ {
+ unsigned int ovl_index = spu_elf_section_data (s)->ovl_index;
+
+ if (ovl_index != 0)
+ {
+ unsigned int lo, hi, mid;
+ unsigned long off = (ovl_index - 1) * 16;
+ bfd_put_32 (htab->ovtab->owner, s->vma, p + off);
+ bfd_put_32 (htab->ovtab->owner, (s->size + 15) & -16, p + off + 4);
+ /* file_off written later in spu_elf_modify_program_headers. */
+
+ lo = 0;
+ hi = htab->num_buf;
+ while (lo < hi)
+ {
+ mid = (lo + hi) >> 1;
+ if (htab->ovl_region[2 * mid + 1]->vma
+ + htab->ovl_region[2 * mid + 1]->size <= s->vma)
+ lo = mid + 1;
+ else if (htab->ovl_region[2 * mid]->vma > s->vma)
+ hi = mid;
+ else
+ {
+ bfd_put_32 (htab->ovtab->owner, mid + 1, p + off + 12);
+ break;
+ }
+ }
+ BFD_ASSERT (lo < hi);
+ }
+ }
+
+ /* Write out _ovly_buf_table. */
+ p = htab->ovtab->contents + htab->num_overlays * 16;
+ for (i = 0; i < htab->num_buf; i++)
+ {
+ bfd_put_32 (htab->ovtab->owner, 0, p);
+ p += 4;
+ }
+
+ h = define_ovtab_symbol (htab, "_ovly_table");
+ if (h == NULL)
+ return FALSE;
+ h->root.u.def.value = 0;
+ h->size = htab->num_overlays * 16;
+
+ h = define_ovtab_symbol (htab, "_ovly_table_end");
+ if (h == NULL)
+ return FALSE;
+ h->root.u.def.value = htab->num_overlays * 16;
+ h->size = 0;
+
+ h = define_ovtab_symbol (htab, "_ovly_buf_table");
+ if (h == NULL)
+ return FALSE;
+ h->root.u.def.value = htab->num_overlays * 16;
+ h->size = htab->num_buf * 4;
+
+ h = define_ovtab_symbol (htab, "_ovly_buf_table_end");
+ if (h == NULL)
+ return FALSE;
+ h->root.u.def.value = htab->num_overlays * 16 + htab->num_buf * 4;
+ h->size = 0;
+
+ h = define_ovtab_symbol (htab, "_EAR_");
+ if (h == NULL)
+ return FALSE;
+ h->root.u.def.section = toe;
+ h->root.u.def.value = 0;
+ h->size = 16;
+
+ return TRUE;
+}
+
+/* Apply RELOCS to CONTENTS of INPUT_SECTION from INPUT_BFD. */
+
+static bfd_boolean
+spu_elf_relocate_section (bfd *output_bfd,
+ struct bfd_link_info *info,
+ bfd *input_bfd,
+ asection *input_section,
+ bfd_byte *contents,
+ Elf_Internal_Rela *relocs,
+ Elf_Internal_Sym *local_syms,
+ asection **local_sections)
+{
+ Elf_Internal_Shdr *symtab_hdr;
+ struct elf_link_hash_entry **sym_hashes;
+ Elf_Internal_Rela *rel, *relend;
+ struct spu_link_hash_table *htab;
+ bfd_boolean ret = TRUE;
+
+ if (info->relocatable)
+ return TRUE;
+
+ htab = spu_hash_table (info);
+ symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
+ sym_hashes = (struct elf_link_hash_entry **) (elf_sym_hashes (input_bfd));
+
+ rel = relocs;
+ relend = relocs + input_section->reloc_count;
+ for (; rel < relend; rel++)
+ {
+ int r_type;
+ reloc_howto_type *howto;
+ unsigned long r_symndx;
+ Elf_Internal_Sym *sym;
+ asection *sec;
+ struct elf_link_hash_entry *h;
+ const char *sym_name;
+ bfd_vma relocation;
+ bfd_vma addend;
+ bfd_reloc_status_type r;
+ bfd_boolean unresolved_reloc;
+ bfd_boolean warned;
+
+ r_symndx = ELF32_R_SYM (rel->r_info);
+ r_type = ELF32_R_TYPE (rel->r_info);
+ howto = elf_howto_table + r_type;
+ unresolved_reloc = FALSE;
+ warned = FALSE;
+
+ h = NULL;
+ sym = NULL;
+ sec = NULL;
+ if (r_symndx < symtab_hdr->sh_info)
+ {
+ sym = local_syms + r_symndx;
+ sec = local_sections[r_symndx];
+ sym_name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym, sec);
+ relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
+ }
+ else
+ {
+ RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
+ r_symndx, symtab_hdr, sym_hashes,
+ h, sec, relocation,
+ unresolved_reloc, warned);
+ sym_name = h->root.root.string;
+ }
+
+ if (unresolved_reloc)
+ {
+ (*_bfd_error_handler)
+ (_("%B(%s+0x%lx): unresolvable %s relocation against symbol `%s'"),
+ input_bfd,
+ bfd_get_section_name (input_bfd, input_section),
+ (long) rel->r_offset,
+ howto->name,
+ sym_name);
+ ret = FALSE;
+ }
+
+ /* If this symbol is in an overlay area, we may need to relocate
+ to the overlay stub. */
+ addend = rel->r_addend;
+ if (sec != NULL
+ && sec->output_section != NULL
+ && sec->output_section->owner == output_bfd
+ && (spu_elf_section_data (sec->output_section)->ovl_index != 0
+ || htab->non_overlay_stubs)
+ && !(sec == input_section
+ && is_branch (contents + rel->r_offset)))
+ {
+ char *stub_name;
+ struct spu_stub_hash_entry *sh;
+
+ stub_name = spu_stub_name (input_section, sec, h, rel);
+ if (stub_name == NULL)
+ return FALSE;
+
+ sh = (struct spu_stub_hash_entry *)
+ bfd_hash_lookup (&htab->stub_hash_table, stub_name, FALSE, FALSE);
+ if (sh != NULL)
+ {
+ relocation = (htab->stub->output_section->vma
+ + htab->stub->output_offset
+ + sh->off);
+ addend = 0;
+ }
+ free (stub_name);
+ }
+
+ r = _bfd_final_link_relocate (howto,
+ input_bfd,
+ input_section,
+ contents,
+ rel->r_offset, relocation, addend);
+
+ if (r != bfd_reloc_ok)
+ {
+ const char *msg = (const char *) 0;
+
+ switch (r)
+ {
+ case bfd_reloc_overflow:
+ if (!((*info->callbacks->reloc_overflow)
+ (info, (h ? &h->root : NULL), sym_name, howto->name,
+ (bfd_vma) 0, input_bfd, input_section, rel->r_offset)))
+ return FALSE;
+ break;
+
+ case bfd_reloc_undefined:
+ if (!((*info->callbacks->undefined_symbol)
+ (info, sym_name, input_bfd, input_section,
+ rel->r_offset, TRUE)))
+ return FALSE;
+ break;
+
+ case bfd_reloc_outofrange:
+ msg = _("internal error: out of range error");
+ goto common_error;
+
+ case bfd_reloc_notsupported:
+ msg = _("internal error: unsupported relocation error");
+ goto common_error;
+
+ case bfd_reloc_dangerous:
+ msg = _("internal error: dangerous error");
+ goto common_error;
+
+ default:
+ msg = _("internal error: unknown error");
+ /* fall through */
+
+ common_error:
+ if (!((*info->callbacks->warning)
+ (info, msg, sym_name, input_bfd, input_section,
+ rel->r_offset)))
+ return FALSE;
+ break;
+ }
+ }
+ }
+
+ return ret;
+}
+
+static int spu_plugin = 0;
+
+void
+spu_elf_plugin (int val)
+{
+ spu_plugin = val;
+}
+
+/* Set ELF header e_type for plugins. */
+
+static void
+spu_elf_post_process_headers (bfd *abfd,
+ struct bfd_link_info *info ATTRIBUTE_UNUSED)
+{
+ if (spu_plugin)
+ {
+ Elf_Internal_Ehdr *i_ehdrp = elf_elfheader (abfd);
+
+ i_ehdrp->e_type = ET_DYN;
+ }
+}
+
+/* We may add an extra PT_LOAD segment for .toe. We also need extra
+ segments for overlays. */
+
+static int
+spu_elf_additional_program_headers (bfd *abfd, struct bfd_link_info *info)
+{
+ struct spu_link_hash_table *htab = spu_hash_table (info);
+ int extra = htab->num_overlays;
+ asection *sec;
+
+ if (extra)
+ ++extra;
+
+ sec = bfd_get_section_by_name (abfd, ".toe");
+ if (sec != NULL && (sec->flags & SEC_LOAD) != 0)
+ ++extra;
+
+ return extra;
+}
+
+/* Remove .toe section from other PT_LOAD segments and put it in
+ a segment of its own. Put overlays in separate segments too. */
+
+static bfd_boolean
+spu_elf_modify_segment_map (bfd *abfd, struct bfd_link_info *info)
+{
+ asection *toe, *s;
+ struct elf_segment_map *m;
+ unsigned int i;
+
+ if (info == NULL)
+ return TRUE;
+
+ toe = bfd_get_section_by_name (abfd, ".toe");
+ for (m = elf_tdata (abfd)->segment_map; m != NULL; m = m->next)
+ if (m->p_type == PT_LOAD && m->count > 1)
+ for (i = 0; i < m->count; i++)
+ if ((s = m->sections[i]) == toe
+ || spu_elf_section_data (s)->ovl_index != 0)
+ {
+ struct elf_segment_map *m2;
+ bfd_vma amt;
+
+ if (i + 1 < m->count)
+ {
+ amt = sizeof (struct elf_segment_map);
+ amt += (m->count - (i + 2)) * sizeof (m->sections[0]);
+ m2 = bfd_zalloc (abfd, amt);
+ if (m2 == NULL)
+ return FALSE;
+ m2->count = m->count - (i + 1);
+ memcpy (m2->sections, m->sections + i + 1,
+ m2->count * sizeof (m->sections[0]));
+ m2->p_type = PT_LOAD;
+ m2->next = m->next;
+ m->next = m2;
+ }
+ m->count = 1;
+ if (i != 0)
+ {
+ m->count = i;
+ amt = sizeof (struct elf_segment_map);
+ m2 = bfd_zalloc (abfd, amt);
+ if (m2 == NULL)
+ return FALSE;
+ m2->p_type = PT_LOAD;
+ m2->count = 1;
+ m2->sections[0] = s;
+ m2->next = m->next;
+ m->next = m2;
+ }
+ break;
+ }
+
+ return TRUE;
+}
+
+/* Check that all loadable section VMAs lie in the range
+ LO .. HI inclusive. */
+
+asection *
+spu_elf_check_vma (bfd *abfd, bfd_vma lo, bfd_vma hi)
+{
+ struct elf_segment_map *m;
+ unsigned int i;
+
+ for (m = elf_tdata (abfd)->segment_map; m != NULL; m = m->next)
+ if (m->p_type == PT_LOAD)
+ for (i = 0; i < m->count; i++)
+ if (m->sections[i]->size != 0
+ && (m->sections[i]->vma < lo
+ || m->sections[i]->vma > hi
+ || m->sections[i]->vma + m->sections[i]->size - 1 > hi))
+ return m->sections[i];
+
+ return NULL;
+}
+
+/* Tweak phdrs before writing them out. */
+
+static int
+spu_elf_modify_program_headers (bfd *abfd, struct bfd_link_info *info)
+{
+ const struct elf_backend_data *bed;
+ struct elf_obj_tdata *tdata;
+ Elf_Internal_Phdr *phdr, *last;
+ struct spu_link_hash_table *htab;
+ unsigned int count;
+ unsigned int i;
+
+ if (info == NULL)
+ return TRUE;
+
+ bed = get_elf_backend_data (abfd);
+ tdata = elf_tdata (abfd);
+ phdr = tdata->phdr;
+ count = tdata->program_header_size / bed->s->sizeof_phdr;
+ htab = spu_hash_table (info);
+ if (htab->num_overlays != 0)
+ {
+ struct elf_segment_map *m;
+ unsigned int o;
+
+ for (i = 0, m = elf_tdata (abfd)->segment_map; m; ++i, m = m->next)
+ if (m->count != 0
+ && (o = spu_elf_section_data (m->sections[0])->ovl_index) != 0)
+ {
+ /* Mark this as an overlay header. */
+ phdr[i].p_flags |= PF_OVERLAY;
+
+ if (htab->ovtab != NULL && htab->ovtab->size != 0)
+ {
+ bfd_byte *p = htab->ovtab->contents;
+ unsigned int off = (o - 1) * 16 + 8;
+
+ /* Write file_off into _ovly_table. */
+ bfd_put_32 (htab->ovtab->owner, phdr[i].p_offset, p + off);
+ }
+ }
+ }
+
+ /* Round up p_filesz and p_memsz of PT_LOAD segments to multiples
+ of 16. This should always be possible when using the standard
+ linker scripts, but don't create overlapping segments if
+ someone is playing games with linker scripts. */
+ last = NULL;
+ for (i = count; i-- != 0; )
+ if (phdr[i].p_type == PT_LOAD)
+ {
+ unsigned adjust;
+
+ adjust = -phdr[i].p_filesz & 15;
+ if (adjust != 0
+ && last != NULL
+ && phdr[i].p_offset + phdr[i].p_filesz > last->p_offset - adjust)
+ break;
+
+ adjust = -phdr[i].p_memsz & 15;
+ if (adjust != 0
+ && last != NULL
+ && phdr[i].p_filesz != 0
+ && phdr[i].p_vaddr + phdr[i].p_memsz > last->p_vaddr - adjust
+ && phdr[i].p_vaddr + phdr[i].p_memsz <= last->p_vaddr)
+ break;
+
+ if (phdr[i].p_filesz != 0)
+ last = &phdr[i];
+ }
+
+ if (i == (unsigned int) -1)
+ for (i = count; i-- != 0; )
+ if (phdr[i].p_type == PT_LOAD)
+ {
+ unsigned adjust;
+
+ adjust = -phdr[i].p_filesz & 15;
+ phdr[i].p_filesz += adjust;
+
+ adjust = -phdr[i].p_memsz & 15;
+ phdr[i].p_memsz += adjust;
+ }
+
+ return TRUE;
+}
+
+/* Arrange for our linker created section to be output. */
+
+static bfd_boolean
+spu_elf_section_processing (bfd *abfd ATTRIBUTE_UNUSED,
+ Elf_Internal_Shdr *i_shdrp)
+{
+ asection *sec;
+
+ sec = i_shdrp->bfd_section;
+ if (sec != NULL
+ && (sec->flags & SEC_LINKER_CREATED) != 0
+ && sec->name != NULL
+ && strcmp (sec->name, SPU_PTNOTE_SPUNAME) == 0)
+ i_shdrp->contents = sec->contents;
+
+ return TRUE;
+}
+
+#define TARGET_BIG_SYM bfd_elf32_spu_vec
+#define TARGET_BIG_NAME "elf32-spu"
+#define ELF_ARCH bfd_arch_spu
+#define ELF_MACHINE_CODE EM_SPU
+/* This matches the alignment need for DMA. */
+#define ELF_MAXPAGESIZE 0x80
+#define elf_backend_rela_normal 1
+#define elf_backend_can_gc_sections 1
+
+#define bfd_elf32_bfd_reloc_type_lookup spu_elf_reloc_type_lookup
+#define elf_info_to_howto spu_elf_info_to_howto
+#define elf_backend_gc_mark_hook spu_elf_gc_mark_hook
+#define elf_backend_relocate_section spu_elf_relocate_section
+#define elf_backend_symbol_processing spu_elf_backend_symbol_processing
+#define bfd_elf32_new_section_hook spu_elf_new_section_hook
+#define bfd_elf32_bfd_link_hash_table_create spu_elf_link_hash_table_create
+#define bfd_elf32_bfd_link_hash_table_free spu_elf_link_hash_table_free
+
+#define elf_backend_additional_program_headers spu_elf_additional_program_headers
+#define elf_backend_modify_segment_map spu_elf_modify_segment_map
+#define elf_backend_modify_program_headers spu_elf_modify_program_headers
+#define elf_backend_post_process_headers spu_elf_post_process_headers
+#define elf_backend_section_processing spu_elf_section_processing
+#define elf_backend_special_sections spu_elf_special_sections
+
+#include "elf32-target.h"
diff --git a/bfd/elf32-spu.h b/bfd/elf32-spu.h
new file mode 100644
index 0000000..2d6eaf3
--- /dev/null
+++ b/bfd/elf32-spu.h
@@ -0,0 +1,51 @@
+/* SPU specific support for 32-bit ELF.
+
+ Copyright 2006 Free Software Foundation, Inc.
+
+ This file is part of BFD, the Binary File Descriptor library.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software Foundation,
+ Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+/* Extra info kept for SPU sections. */
+
+struct _spu_elf_section_data
+{
+ struct bfd_elf_section_data elf;
+
+ /* Non-zero for overlay output sections. */
+ unsigned int ovl_index;
+};
+
+#define spu_elf_section_data(sec) \
+ ((struct _spu_elf_section_data *) elf_section_data (sec))
+
+struct _ovl_stream
+{
+ void *start;
+ void *end;
+};
+
+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 (bfd *,
+ struct bfd_link_info *);
+extern bfd_boolean spu_elf_find_overlays (bfd *, struct bfd_link_info *);
+extern bfd_boolean spu_elf_size_stubs (bfd *, struct bfd_link_info *, int,
+ asection **, asection **,
+ asection **);
+extern bfd_boolean spu_elf_build_stubs (struct bfd_link_info *, int,
+ asection *);
+extern asection *spu_elf_check_vma (bfd *, bfd_vma, bfd_vma);
diff --git a/bfd/libbfd.h b/bfd/libbfd.h
index 40e9182..a4c4f01 100644
--- a/bfd/libbfd.h
+++ b/bfd/libbfd.h
@@ -902,6 +902,18 @@ static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@",
"BFD_RELOC_SPARC_TLS_DTPOFF64",
"BFD_RELOC_SPARC_TLS_TPOFF32",
"BFD_RELOC_SPARC_TLS_TPOFF64",
+ "BFD_RELOC_SPU_IMM7",
+ "BFD_RELOC_SPU_IMM8",
+ "BFD_RELOC_SPU_IMM10",
+ "BFD_RELOC_SPU_IMM10W",
+ "BFD_RELOC_SPU_IMM16",
+ "BFD_RELOC_SPU_IMM16W",
+ "BFD_RELOC_SPU_IMM18",
+ "BFD_RELOC_SPU_PCREL9a",
+ "BFD_RELOC_SPU_PCREL9b",
+ "BFD_RELOC_SPU_PCREL16",
+ "BFD_RELOC_SPU_LO16",
+ "BFD_RELOC_SPU_HI16",
"BFD_RELOC_ALPHA_GPDISP_HI16",
"BFD_RELOC_ALPHA_GPDISP_LO16",
"BFD_RELOC_ALPHA_GPDISP",
diff --git a/bfd/po/SRC-POTFILES.in b/bfd/po/SRC-POTFILES.in
index 7e96f28..a8dd4e8 100644
--- a/bfd/po/SRC-POTFILES.in
+++ b/bfd/po/SRC-POTFILES.in
@@ -109,6 +109,7 @@ cpu-s390.c
cpu-score.c
cpu-sh.c
cpu-sparc.c
+cpu-spu.c
cpu-tic30.c
cpu-tic4x.c
cpu-tic54x.c
@@ -176,6 +177,7 @@ elf32-sh64-com.c
elf32-sh.c
elf32-sh-symbian.c
elf32-sparc.c
+elf32-spu.c
elf32-v850.c
elf32-vax.c
elf32-xc16x.c
diff --git a/bfd/reloc.c b/bfd/reloc.c
index 56eebcf..3d40730 100644
--- a/bfd/reloc.c
+++ b/bfd/reloc.c
@@ -1884,6 +1884,33 @@ ENUMDOC
SPARC TLS relocations
ENUM
+ BFD_RELOC_SPU_IMM7
+ENUMX
+ BFD_RELOC_SPU_IMM8
+ENUMX
+ BFD_RELOC_SPU_IMM10
+ENUMX
+ BFD_RELOC_SPU_IMM10W
+ENUMX
+ BFD_RELOC_SPU_IMM16
+ENUMX
+ BFD_RELOC_SPU_IMM16W
+ENUMX
+ BFD_RELOC_SPU_IMM18
+ENUMX
+ BFD_RELOC_SPU_PCREL9a
+ENUMX
+ BFD_RELOC_SPU_PCREL9b
+ENUMX
+ BFD_RELOC_SPU_PCREL16
+ENUMX
+ BFD_RELOC_SPU_LO16
+ENUMX
+ BFD_RELOC_SPU_HI16
+ENUMDOC
+ SPU Relocations.
+
+ENUM
BFD_RELOC_ALPHA_GPDISP_HI16
ENUMDOC
Alpha ECOFF and ELF relocations. Some of these treat the symbol or
diff --git a/bfd/targets.c b/bfd/targets.c
index 96fab09..d8d3709 100644
--- a/bfd/targets.c
+++ b/bfd/targets.c
@@ -643,6 +643,7 @@ extern const bfd_target bfd_elf32_shnbsd_vec;
extern const bfd_target bfd_elf32_shvxworks_vec;
extern const bfd_target bfd_elf32_sparc_vec;
extern const bfd_target bfd_elf32_sparc_vxworks_vec;
+extern const bfd_target bfd_elf32_spu_vec;
extern const bfd_target bfd_elf32_tradbigmips_vec;
extern const bfd_target bfd_elf32_tradlittlemips_vec;
extern const bfd_target bfd_elf32_us_cris_vec;
@@ -971,6 +972,7 @@ static const bfd_target * const _bfd_target_vector[] =
#endif
&bfd_elf32_sparc_vec,
&bfd_elf32_sparc_vxworks_vec,
+ &bfd_elf32_spu_vec,
&bfd_elf32_tradbigmips_vec,
&bfd_elf32_tradlittlemips_vec,
&bfd_elf32_us_cris_vec,
generated by cgit v1.1 at 2024-09-16 22:17:42 +0000