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authornobody <>2002-08-24 00:41:00 +0000
committernobody <>2002-08-24 00:41:00 +0000
commit13c00c23454f3278917d26d1c0f337bb6ebec579 (patch)
tree26476238215a235e57fbb0ff2d33a8173e308a99 /bfd/elfn32-mips.c
parentb4e397edc3619279f3e370d5c76551a7f9e843d7 (diff)
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This commit was manufactured by cvs2svn to create branch 'readline_4_3readline_4_3-import-branchpoint
-import-branch'. Sprout from kseitz_interps-20020528-branch 2002-06-19 16:55:29 UTC nobody 'This commit was manufactured by cvs2svn to create branch' Cherrypick from kseitz_interps-20020528-branch 2002-07-22 19:56:08 UTC nobody 'This commit was manufactured by cvs2svn to create branch': bfd/cpu-ip2k.c bfd/vaxbsd.c gdb/config/i386/nm-x86-64linux.h gdb/config/i386/tm-x86-64linux.h gdb/config/vax/tm-vaxbsd.h gdb/gdb_locale.h gdb/i386obsd-nat.c include/elf/ip2k.h opcodes/ip2k-asm.c opcodes/ip2k-desc.c opcodes/ip2k-desc.h opcodes/ip2k-dis.c opcodes/ip2k-ibld.c opcodes/ip2k-opc.c opcodes/ip2k-opc.h Cherrypick from kseitz_interps-20020528-branch 2002-08-09 15:39:20 UTC nobody 'This commit was manufactured by cvs2svn to create branch': bfd/elf32-ppcqnx.c bfd/elfarmqnx-nabi.c bfd/elfn32-mips.c gdb/config/powerpc/aix432.mh gdb/gdb_obstack.h gdb/mips-irix-tdep.c gdb/solib-irix.c include/gdb/sim-h8300.h opcodes/po/pt_BR.po Cherrypick from kseitz_interps-20020528-branch 2002-05-28 18:43:09 UTC nobody 'This commit was manufactured by cvs2svn to create branch': gdb/event-loop.c gdb/event-top.h gdb/mi/mi-cmds.c gdb/mi/mi-cmds.h gdb/mi/mi-main.c gdb/wrapper.c gdb/wrapper.h Cherrypick from master 2002-08-24 00:40:59 UTC Mark Kettenis <kettenis@gnu.org> '* valprint.c (print_longest) [CC_HAS_LONG_LONG &&': ChangeLog MAINTAINERS Makefile.in bfd/ChangeLog bfd/ChangeLog-0001 bfd/Makefile.am bfd/Makefile.in bfd/aout-adobe.c bfd/aout-ns32k.c bfd/aout-target.h bfd/aout-tic30.c bfd/aoutf1.h bfd/aoutx.h bfd/archive.c bfd/archures.c bfd/armnetbsd.c bfd/bfd-in.h bfd/bfd-in2.h bfd/bfd.c bfd/binary.c bfd/bout.c bfd/cache.c bfd/coff-a29k.c bfd/coff-alpha.c bfd/coff-i386.c bfd/coff-mips.c bfd/coff-or32.c bfd/coff-rs6000.c bfd/coff64-rs6000.c bfd/coffcode.h bfd/coffgen.c bfd/cofflink.c bfd/config.bfd bfd/configure bfd/configure.in bfd/corefile.c bfd/cpu-h8300.c bfd/cpu-ns32k.c bfd/cpu-powerpc.c bfd/doc/ChangeLog bfd/doc/Makefile.am bfd/doc/Makefile.in bfd/doc/bfdint.texi bfd/doc/header.sed bfd/dwarf2.c bfd/ecoff.c 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gdb/ppc-linux-tdep.c gdb/ppc-tdep.h gdb/ppcnbsd-nat.c gdb/ppcnbsd-tdep.c gdb/printcmd.c gdb/proc-api.c gdb/procfs.c gdb/rdi-share/devsw.c gdb/rdi-share/host.h gdb/rdi-share/hostchan.c gdb/rdi-share/hostchan.h gdb/rdi-share/serdrv.c gdb/rdi-share/serpardr.c gdb/rdi-share/unixcomm.c gdb/regcache.c gdb/regcache.h gdb/remote-bug.c gdb/remote-es.c gdb/remote-est.c gdb/remote-nindy.c gdb/remote-nrom.c gdb/remote-os9k.c gdb/remote-rdi.c gdb/remote-rdp.c gdb/remote-sim.c gdb/remote-vx960.c gdb/remote.c gdb/rom68k-rom.c gdb/rs6000-nat.c gdb/rs6000-tdep.c gdb/s390-nat.c gdb/s390-tdep.c gdb/ser-e7kpc.c gdb/sh-tdep.c gdb/signals/signals.c gdb/solib-osf.c gdb/solib-svr4.c gdb/somsolib.c gdb/source.c gdb/sparc-tdep.c gdb/sparcl-tdep.c gdb/stabsread.c gdb/stabsread.h gdb/stack.c gdb/std-regs.c gdb/symfile.c gdb/symmisc.c gdb/symtab.c gdb/symtab.h gdb/target.c gdb/target.h gdb/testsuite/ChangeLog gdb/testsuite/Makefile.in gdb/testsuite/config/gdbserver.exp gdb/testsuite/configure gdb/testsuite/configure.in gdb/testsuite/gdb.arch/altivec-abi.exp gdb/testsuite/gdb.asm/asm-source.exp gdb/testsuite/gdb.base/attach.exp gdb/testsuite/gdb.base/call-ar-st.exp gdb/testsuite/gdb.base/d10v.ld gdb/testsuite/gdb.base/ending-run.exp gdb/testsuite/gdb.base/interrupt.exp gdb/testsuite/gdb.base/long_long.exp gdb/testsuite/gdb.base/overlays.exp gdb/testsuite/gdb.base/page.exp gdb/testsuite/gdb.base/readline.exp gdb/testsuite/gdb.base/return.exp gdb/testsuite/gdb.base/selftest.exp gdb/testsuite/gdb.base/shlib-call.exp gdb/testsuite/gdb.chill/ChangeLog gdb/testsuite/gdb.chill/builtins.exp gdb/testsuite/gdb.chill/callch.exp gdb/testsuite/gdb.chill/chillvars.exp gdb/testsuite/gdb.chill/enum.exp gdb/testsuite/gdb.chill/gch1041.exp gdb/testsuite/gdb.chill/gch1272.exp gdb/testsuite/gdb.chill/gch1280.exp gdb/testsuite/gdb.chill/gch922.exp gdb/testsuite/gdb.chill/gch981.exp gdb/testsuite/gdb.chill/misc.exp gdb/testsuite/gdb.chill/powerset.exp gdb/testsuite/gdb.chill/pr-4975.exp gdb/testsuite/gdb.chill/pr-5016.exp gdb/testsuite/gdb.chill/pr-5020.exp gdb/testsuite/gdb.chill/pr-5022.exp gdb/testsuite/gdb.chill/pr-5646.exp gdb/testsuite/gdb.chill/pr-5984.exp gdb/testsuite/gdb.chill/pr-6292.exp gdb/testsuite/gdb.chill/pr-6632.exp gdb/testsuite/gdb.chill/pr-8134.exp gdb/testsuite/gdb.chill/pr-8136.exp gdb/testsuite/gdb.chill/pr-8405.exp gdb/testsuite/gdb.chill/pr-8742.exp gdb/testsuite/gdb.chill/pr-8894.exp gdb/testsuite/gdb.chill/pr-9095.exp gdb/testsuite/gdb.chill/pr-9946.exp gdb/testsuite/gdb.chill/result.exp gdb/testsuite/gdb.chill/string.exp gdb/testsuite/gdb.chill/tests1.exp gdb/testsuite/gdb.chill/tests2.exp gdb/testsuite/gdb.chill/tuples.exp gdb/testsuite/gdb.chill/xstruct.exp gdb/testsuite/gdb.fortran/exprs.exp gdb/testsuite/gdb.fortran/types.exp gdb/testsuite/gdb.hp/configure gdb/testsuite/gdb.hp/configure.in gdb/testsuite/gdb.java/jv-print.exp gdb/testsuite/gdb.threads/print-threads.c gdb/testsuite/gdb.threads/print-threads.exp gdb/testsuite/gdb.threads/schedlock.c gdb/testsuite/gdb.threads/schedlock.exp gdb/testsuite/lib/gdb.exp gdb/thread.c gdb/top.c gdb/tracepoint.c gdb/tui/ChangeLog gdb/tui/tui.c gdb/typeprint.c gdb/ui-file.c gdb/ui-file.h gdb/ui-out.c gdb/utils.c gdb/uw-thread.c gdb/v850-tdep.c gdb/valarith.c gdb/valops.c gdb/valprint.c gdb/value.h gdb/values.c gdb/varobj.c gdb/vax-tdep.c gdb/vax-tdep.h gdb/version.in gdb/win32-nat.c gdb/wince.c gdb/x86-64-linux-nat.c gdb/x86-64-tdep.c gdb/x86-64-tdep.h gdb/xcoffread.c gdb/xstormy16-tdep.c gdb/z8k-tdep.c include/ChangeLog include/bfdlink.h include/demangle.h include/dis-asm.h include/elf/ChangeLog include/elf/alpha.h include/elf/common.h include/elf/dwarf2.h include/elf/i370.h include/elf/m68hc11.h include/elf/sh.h include/elf/vax.h include/fibheap.h include/gdb/ChangeLog include/gdb/remote-sim.h include/gdb/sim-d10v.h include/gdb/sim-sh.h include/getopt.h include/hashtab.h include/libiberty.h include/opcode/ChangeLog include/opcode/a29k.h include/opcode/convex.h include/opcode/dlx.h include/opcode/i386.h include/opcode/m68hc11.h include/opcode/mips.h include/opcode/or32.h include/opcode/ppc.h include/partition.h include/sort.h include/splay-tree.h libiberty/ChangeLog libiberty/Makefile.in libiberty/configure libiberty/configure.in libiberty/cp-demangle.c libiberty/cplus-dem.c libiberty/hashtab.c libiberty/lbasename.c libiberty/regex.c libiberty/testsuite/demangle-expected ltcf-cxx.sh opcodes/ChangeLog opcodes/Makefile.am opcodes/Makefile.in opcodes/a29k-dis.c opcodes/configure opcodes/configure.in opcodes/d10v-opc.c opcodes/disassemble.c opcodes/h8300-dis.c opcodes/ia64-asmtab.c opcodes/ia64-opc-b.c opcodes/m68hc11-dis.c opcodes/m68hc11-opc.c opcodes/m68k-dis.c opcodes/mips-dis.c opcodes/mips-opc.c opcodes/or32-dis.c opcodes/po/POTFILES.in opcodes/po/es.po opcodes/po/fr.po opcodes/po/id.po opcodes/po/sv.po opcodes/po/tr.po opcodes/ppc-dis.c opcodes/ppc-opc.c opcodes/sparc-dis.c opcodes/z8k-dis.c opcodes/z8k-opc.h opcodes/z8kgen.c readline/ChangeLog.gdb readline/doc/rluserman.texinfo readline/examples/rlfe.c readline/rlprivate.h readline/rlshell.h readline/support/config.guess readline/support/config.sub readline/xmalloc.h sim/ChangeLog sim/Makefile.in sim/README-HACKING sim/arm/ChangeLog sim/arm/Makefile.in sim/arm/armcopro.c sim/arm/armemu.c sim/arm/armos.c sim/arm/armos.h sim/arm/configure sim/arm/wrapper.c sim/common/ChangeLog sim/common/Make-common.in sim/common/aclocal.m4 sim/common/callback.c sim/common/gennltvals.sh sim/common/gentmap.c sim/common/hw-events.c sim/common/nltvals.def sim/common/run-sim.h sim/common/run.c sim/common/sim-basics.h sim/common/sim-events.c sim/common/sim-fpu.c sim/common/sim-load.c sim/common/sim-memopt.c sim/common/sim-resume.c sim/common/syscall.c sim/configure sim/configure.in sim/d10v/ChangeLog sim/d10v/Makefile.in sim/d10v/configure sim/d10v/d10v_sim.h sim/d10v/gencode.c sim/d10v/interp.c sim/d30v/ChangeLog sim/d30v/Makefile.in sim/d30v/alu.h sim/d30v/configure sim/d30v/cpu.c sim/d30v/cpu.h sim/d30v/d30v-insns sim/d30v/dc-short sim/d30v/engine.c sim/d30v/ic-d30v sim/d30v/sim-calls.c sim/d30v/sim-main.h sim/erc32/ChangeLog sim/erc32/interf.c sim/erc32/sis.h sim/fr30/ChangeLog sim/fr30/Makefile.in sim/fr30/README sim/fr30/TODO sim/fr30/arch.c sim/fr30/arch.h sim/fr30/configure sim/fr30/configure.in sim/fr30/cpu.c sim/fr30/cpu.h sim/fr30/cpuall.h sim/fr30/decode.c sim/fr30/decode.h sim/fr30/devices.c sim/fr30/fr30-sim.h sim/fr30/fr30.c sim/fr30/mloop.in sim/fr30/model.c sim/fr30/sem-switch.c sim/fr30/sem.c sim/fr30/sim-if.c sim/fr30/sim-main.h sim/fr30/traps.c sim/h8300/ChangeLog sim/h8300/Makefile.in sim/h8300/compile.c sim/h8500/ChangeLog sim/h8500/compile.c sim/i960/ChangeLog sim/igen/ChangeLog sim/igen/Makefile.in sim/igen/compare_igen_models sim/igen/configure sim/igen/gen-engine.c sim/igen/gen-icache.c sim/igen/gen.c sim/igen/igen.c sim/igen/lf.c sim/m32r/ChangeLog sim/m68hc11/ChangeLog sim/m68hc11/Makefile.in sim/m68hc11/configure sim/m68hc11/dv-m68hc11.c sim/m68hc11/dv-m68hc11eepr.c sim/m68hc11/gencode.c sim/m68hc11/interp.c sim/m68hc11/m68hc11_sim.c sim/m68hc11/sim-main.h sim/mcore/ChangeLog sim/mcore/interp.c sim/mips/ChangeLog sim/mips/Makefile.in sim/mips/configure sim/mips/configure.in sim/mips/cp1.c sim/mips/interp.c sim/mips/mips.igen sim/mips/sim-main.c sim/mips/sim-main.h sim/mn10200/ChangeLog sim/mn10200/Makefile.in sim/mn10200/mn10200_sim.h sim/mn10300/ChangeLog sim/mn10300/Makefile.in sim/mn10300/configure sim/mn10300/mn10300_sim.h sim/mn10300/tconfig.in sim/ppc/ChangeLog sim/ppc/Makefile.in sim/ppc/gen-idecode.c sim/ppc/gen-model.c sim/ppc/lf.c sim/ppc/main.c sim/ppc/psim.c sim/ppc/sim_calls.c sim/sh/ChangeLog sim/sh/Makefile.in sim/sh/interp.c sim/testsuite/ChangeLog sim/v850/ChangeLog sim/v850/configure sim/v850/simops.c sim/z8k/ChangeLog sim/z8k/Makefile.in sim/z8k/iface.c sim/z8k/support.c sim/z8k/writecode.c texinfo/texinfo.tex Cherrypick from FSF 2002-08-23 22:02:32 UTC Elena Zannoni <ezannoni@kwikemart.cygnus.com> 'import of readline-4.3': readline/examples/excallback.c Delete: gdb/29k-share/README gdb/29k-share/udi/udi2go32.c gdb/29k-share/udi/udiids.h gdb/29k-share/udi/udip2soc.c gdb/29k-share/udi/udiphcfg.h gdb/29k-share/udi/udiphunix.h gdb/29k-share/udi/udiproc.h gdb/29k-share/udi/udipt29k.h gdb/29k-share/udi/udiptcfg.h gdb/29k-share/udi/udisoc.h gdb/29k-share/udi/udr.c gdb/29k-share/udi_soc gdb/ada-exp.tab.c gdb/ada-lex.c gdb/cli/cli-interp.c gdb/config/i386/nm-gnu.h gdb/config/i386/nm-x86-64.h gdb/config/i386/obsd.mt gdb/config/i386/tm-i386gnu.h gdb/config/i386/tm-i386nw.h gdb/config/i386/tm-i386sco5.h gdb/config/i386/tm-i386v.h gdb/config/i386/tm-obsd.h gdb/config/i386/xm-i386gnu.h gdb/config/mcore/tm-mcore.h gdb/config/romp/rtbsd.mh gdb/config/romp/xm-rtbsd.h gdb/config/sparc/nbsdaout.mt gdb/config/sparc/nbsdelf.mt gdb/config/sparc/tm-nbsdaout.h gdb/config/sparc/xm-nbsd.h gdb/interps.c gdb/interps.h gdb/mi/mi-events.c gdb/mi/mi-interp.c gdb/mi/mi.h gdb/remote-vx29k.c gdb/testsuite/gdb.hp/gdb.threads-hp/Makefile.in gdb/testsuite/gdb.hp/gdb.threads-hp/configure gdb/testsuite/gdb.hp/gdb.threads-hp/configure.in include/callback.h include/remote-sim.h sim/tic80/ChangeLog sim/tic80/Makefile.in sim/tic80/acconfig.h sim/tic80/alu.h sim/tic80/config.in sim/tic80/configure sim/tic80/configure.in sim/tic80/cpu.h sim/tic80/interp.c sim/tic80/misc.c sim/tic80/sim-calls.c sim/tic80/sim-main.h sim/tic80/tic80.dc sim/tic80/tic80.ic sim/tic80/tic80.igen sim/w65/ChangeLog sim/w65/Makefile.in sim/w65/acconfig.h sim/w65/config.in sim/w65/configure sim/w65/configure.in sim/w65/gencode.c sim/w65/interp.c sim/w65/interp.h sim/w65/run.c sim/z8k/list.c
Diffstat (limited to 'bfd/elfn32-mips.c')
-rw-r--r--bfd/elfn32-mips.c2230
1 files changed, 2230 insertions, 0 deletions
diff --git a/bfd/elfn32-mips.c b/bfd/elfn32-mips.c
new file mode 100644
index 0000000..040fddf
--- /dev/null
+++ b/bfd/elfn32-mips.c
@@ -0,0 +1,2230 @@
+/* MIPS-specific support for 32-bit ELF
+ Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
+ Free Software Foundation, Inc.
+
+ Most of the information added by Ian Lance Taylor, Cygnus Support,
+ <ian@cygnus.com>.
+ N32/64 ABI support added by Mark Mitchell, CodeSourcery, LLC.
+ <mark@codesourcery.com>
+ Traditional MIPS targets support added by Koundinya.K, Dansk Data
+ Elektronik & Operations Research Group. <kk@ddeorg.soft.net>
+
+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. */
+
+/* This file handles MIPS ELF targets. SGI Irix 5 uses a slightly
+ different MIPS ELF from other targets. This matters when linking.
+ This file supports both, switching at runtime. */
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "libbfd.h"
+#include "bfdlink.h"
+#include "genlink.h"
+#include "elf-bfd.h"
+#include "elfxx-mips.h"
+#include "elf/mips.h"
+
+/* Get the ECOFF swapping routines. */
+#include "coff/sym.h"
+#include "coff/symconst.h"
+#include "coff/internal.h"
+#include "coff/ecoff.h"
+#include "coff/mips.h"
+#define ECOFF_SIGNED_32
+#include "ecoffswap.h"
+
+static bfd_reloc_status_type mips_elf_generic_reloc
+ PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
+static bfd_reloc_status_type mips_elf_hi16_reloc
+ PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
+static bfd_reloc_status_type mips_elf_lo16_reloc
+ PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
+static bfd_reloc_status_type mips_elf_got16_reloc
+ PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
+static boolean mips_elf_assign_gp PARAMS ((bfd *, bfd_vma *));
+static bfd_reloc_status_type mips_elf_final_gp
+ PARAMS ((bfd *, asymbol *, boolean, char **, bfd_vma *));
+static bfd_reloc_status_type mips_elf_gprel16_reloc
+ PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
+static bfd_reloc_status_type mips_elf_literal_reloc
+ PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
+static bfd_reloc_status_type mips_elf_gprel32_reloc
+ PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
+static bfd_reloc_status_type gprel32_with_gp
+ PARAMS ((bfd *, asymbol *, arelent *, asection *, boolean, PTR, bfd_vma));
+static bfd_reloc_status_type mips_elf_shift6_reloc
+ PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
+static bfd_reloc_status_type mips16_jump_reloc
+ PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
+static bfd_reloc_status_type mips16_gprel_reloc
+ PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
+static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup
+ PARAMS ((bfd *, bfd_reloc_code_real_type));
+static reloc_howto_type *mips_elf_n32_rtype_to_howto
+ PARAMS ((unsigned int, boolean));
+static void mips_info_to_howto_rel
+ PARAMS ((bfd *, arelent *, Elf32_Internal_Rel *));
+static void mips_info_to_howto_rela
+ PARAMS ((bfd *, arelent *, Elf32_Internal_Rela *));
+static boolean mips_elf_sym_is_global PARAMS ((bfd *, asymbol *));
+static boolean mips_elf_n32_object_p PARAMS ((bfd *));
+static boolean elf32_mips_grok_prstatus
+ PARAMS ((bfd *, Elf_Internal_Note *));
+static boolean elf32_mips_grok_psinfo
+ PARAMS ((bfd *, Elf_Internal_Note *));
+static irix_compat_t elf_n32_mips_irix_compat
+ PARAMS ((bfd *));
+
+extern const bfd_target bfd_elf32_nbigmips_vec;
+extern const bfd_target bfd_elf32_nlittlemips_vec;
+
+static bfd_vma prev_reloc_address = -1;
+static bfd_vma prev_reloc_addend = 0;
+
+/* Nonzero if ABFD is using the N32 ABI. */
+#define ABI_N32_P(abfd) \
+ ((elf_elfheader (abfd)->e_flags & EF_MIPS_ABI2) != 0)
+
+/* Whether we are trying to be compatible with IRIX at all. */
+#define SGI_COMPAT(abfd) \
+ (elf_n32_mips_irix_compat (abfd) != ict_none)
+
+/* The number of local .got entries we reserve. */
+#define MIPS_RESERVED_GOTNO (2)
+
+/* In case we're on a 32-bit machine, construct a 64-bit "-1" value
+ from smaller values. Start with zero, widen, *then* decrement. */
+#define MINUS_ONE (((bfd_vma)0) - 1)
+
+/* The relocation table used for SHT_REL sections. */
+
+static reloc_howto_type elf_mips_howto_table_rel[] =
+{
+ /* No relocation. */
+ HOWTO (R_MIPS_NONE, /* type */
+ 0, /* rightshift */
+ 0, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_NONE", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* 16 bit relocation. */
+ HOWTO (R_MIPS_16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_16", /* name */
+ true, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* 32 bit relocation. */
+ HOWTO (R_MIPS_32, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_32", /* name */
+ true, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* 32 bit symbol relative relocation. */
+ HOWTO (R_MIPS_REL32, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_REL32", /* name */
+ true, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* 26 bit jump address. */
+ HOWTO (R_MIPS_26, /* type */
+ 2, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 26, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ /* This needs complex overflow
+ detection, because the upper four
+ bits must match the PC + 4. */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_26", /* name */
+ true, /* partial_inplace */
+ 0x03ffffff, /* src_mask */
+ 0x03ffffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* R_MIPS_HI16 and R_MIPS_LO16 are unsupported for NewABI REL.
+ However, the native IRIX6 tools use them, so we try our best. */
+
+ /* High 16 bits of symbol value. */
+ HOWTO (R_MIPS_HI16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ mips_elf_hi16_reloc, /* special_function */
+ "R_MIPS_HI16", /* name */
+ true, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* Low 16 bits of symbol value. */
+ HOWTO (R_MIPS_LO16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ mips_elf_lo16_reloc, /* special_function */
+ "R_MIPS_LO16", /* name */
+ true, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* GP relative reference. */
+ HOWTO (R_MIPS_GPREL16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ mips_elf_gprel16_reloc, /* special_function */
+ "R_MIPS_GPREL16", /* name */
+ true, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* Reference to literal section. */
+ HOWTO (R_MIPS_LITERAL, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ mips_elf_literal_reloc, /* special_function */
+ "R_MIPS_LITERAL", /* name */
+ true, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* Reference to global offset table. */
+ HOWTO (R_MIPS_GOT16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ mips_elf_got16_reloc, /* special_function */
+ "R_MIPS_GOT16", /* name */
+ true, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* 16 bit PC relative reference. */
+ HOWTO (R_MIPS_PC16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ true, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_PC16", /* name */
+ true, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ true), /* pcrel_offset */
+
+ /* 16 bit call through global offset table. */
+ HOWTO (R_MIPS_CALL16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_CALL16", /* name */
+ true, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* 32 bit GP relative reference. */
+ HOWTO (R_MIPS_GPREL32, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ mips_elf_gprel32_reloc, /* special_function */
+ "R_MIPS_GPREL32", /* name */
+ true, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* The remaining relocs are defined on Irix 5, although they are
+ not defined by the ABI. */
+ EMPTY_HOWTO (13),
+ EMPTY_HOWTO (14),
+ EMPTY_HOWTO (15),
+
+ /* A 5 bit shift field. */
+ HOWTO (R_MIPS_SHIFT5, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 5, /* bitsize */
+ false, /* pc_relative */
+ 6, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_SHIFT5", /* name */
+ true, /* partial_inplace */
+ 0x000007c0, /* src_mask */
+ 0x000007c0, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* A 6 bit shift field. */
+ HOWTO (R_MIPS_SHIFT6, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 6, /* bitsize */
+ false, /* pc_relative */
+ 6, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ mips_elf_shift6_reloc, /* special_function */
+ "R_MIPS_SHIFT6", /* name */
+ true, /* partial_inplace */
+ 0x000007c4, /* src_mask */
+ 0x000007c4, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* A 64 bit relocation. */
+ HOWTO (R_MIPS_64, /* type */
+ 0, /* rightshift */
+ 4, /* size (0 = byte, 1 = short, 2 = long) */
+ 64, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_64", /* name */
+ true, /* partial_inplace */
+ MINUS_ONE, /* src_mask */
+ MINUS_ONE, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* Displacement in the global offset table. */
+ HOWTO (R_MIPS_GOT_DISP, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_GOT_DISP", /* name */
+ true, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* Displacement to page pointer in the global offset table. */
+ HOWTO (R_MIPS_GOT_PAGE, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_GOT_PAGE", /* name */
+ true, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* Offset from page pointer in the global offset table. */
+ HOWTO (R_MIPS_GOT_OFST, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_GOT_OFST", /* name */
+ true, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* High 16 bits of displacement in global offset table. */
+ HOWTO (R_MIPS_GOT_HI16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_GOT_HI16", /* name */
+ true, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* Low 16 bits of displacement in global offset table. */
+ HOWTO (R_MIPS_GOT_LO16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_GOT_LO16", /* name */
+ true, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* 64 bit subtraction. */
+ HOWTO (R_MIPS_SUB, /* type */
+ 0, /* rightshift */
+ 4, /* size (0 = byte, 1 = short, 2 = long) */
+ 64, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_SUB", /* name */
+ true, /* partial_inplace */
+ MINUS_ONE, /* src_mask */
+ MINUS_ONE, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* Insert the addend as an instruction. */
+ /* FIXME: Not handled correctly. */
+ HOWTO (R_MIPS_INSERT_A, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_INSERT_A", /* name */
+ true, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* Insert the addend as an instruction, and change all relocations
+ to refer to the old instruction at the address. */
+ /* FIXME: Not handled correctly. */
+ HOWTO (R_MIPS_INSERT_B, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_INSERT_B", /* name */
+ true, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* Delete a 32 bit instruction. */
+ /* FIXME: Not handled correctly. */
+ HOWTO (R_MIPS_DELETE, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_DELETE", /* name */
+ true, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* The MIPS ELF64 ABI Draft wants us to support these for REL relocations.
+ We don't, because
+ a) It means building the addend from a R_MIPS_HIGHEST/R_MIPS_HIGHER/
+ R_MIPS_HI16/R_MIPS_LO16 sequence with varying ordering, using
+ fallable heuristics.
+ b) No other NEwABI toolchain actually emits such relocations. */
+ EMPTY_HOWTO (R_MIPS_HIGHER),
+ EMPTY_HOWTO (R_MIPS_HIGHEST),
+
+ /* High 16 bits of displacement in global offset table. */
+ HOWTO (R_MIPS_CALL_HI16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_CALL_HI16", /* name */
+ true, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* Low 16 bits of displacement in global offset table. */
+ HOWTO (R_MIPS_CALL_LO16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_CALL_LO16", /* name */
+ true, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* Section displacement. */
+ HOWTO (R_MIPS_SCN_DISP, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_SCN_DISP", /* name */
+ true, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ HOWTO (R_MIPS_REL16, /* type */
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_REL16", /* name */
+ true, /* partial_inplace */
+ 0xffff, /* src_mask */
+ 0xffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* These two are obsolete. */
+ EMPTY_HOWTO (R_MIPS_ADD_IMMEDIATE),
+ EMPTY_HOWTO (R_MIPS_PJUMP),
+
+ /* Similiar to R_MIPS_REL32, but used for relocations in a GOT section.
+ It must be used for multigot GOT's (and only there). */
+ HOWTO (R_MIPS_RELGOT, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_RELGOT", /* name */
+ true, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* Protected jump conversion. This is an optimization hint. No
+ relocation is required for correctness. */
+ HOWTO (R_MIPS_JALR, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_JALR", /* name */
+ false, /* partial_inplace */
+ 0x00000000, /* src_mask */
+ 0x00000000, /* dst_mask */
+ false), /* pcrel_offset */
+};
+
+/* The relocation table used for SHT_RELA sections. */
+
+static reloc_howto_type elf_mips_howto_table_rela[] =
+{
+ /* No relocation. */
+ HOWTO (R_MIPS_NONE, /* type */
+ 0, /* rightshift */
+ 0, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_NONE", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* 16 bit relocation. */
+ HOWTO (R_MIPS_16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_16", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0000, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* 32 bit relocation. */
+ HOWTO (R_MIPS_32, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_32", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* 32 bit symbol relative relocation. */
+ HOWTO (R_MIPS_REL32, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_REL32", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* 26 bit jump address. */
+ HOWTO (R_MIPS_26, /* type */
+ 2, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 26, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ /* This needs complex overflow
+ detection, because the upper 36
+ bits must match the PC + 4. */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_26", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0x03ffffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* High 16 bits of symbol value. */
+ HOWTO (R_MIPS_HI16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_HI16", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* Low 16 bits of symbol value. */
+ HOWTO (R_MIPS_LO16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_LO16", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* GP relative reference. */
+ HOWTO (R_MIPS_GPREL16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ mips_elf_gprel16_reloc, /* special_function */
+ "R_MIPS_GPREL16", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* Reference to literal section. */
+ HOWTO (R_MIPS_LITERAL, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ mips_elf_literal_reloc, /* special_function */
+ "R_MIPS_LITERAL", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* Reference to global offset table. */
+ HOWTO (R_MIPS_GOT16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ mips_elf_got16_reloc, /* special_function */
+ "R_MIPS_GOT16", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* 16 bit PC relative reference. */
+ HOWTO (R_MIPS_PC16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ true, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_PC16", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ true), /* pcrel_offset */
+
+ /* 16 bit call through global offset table. */
+ HOWTO (R_MIPS_CALL16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_CALL16", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* 32 bit GP relative reference. */
+ HOWTO (R_MIPS_GPREL32, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ mips_elf_gprel32_reloc, /* special_function */
+ "R_MIPS_GPREL32", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ EMPTY_HOWTO (13),
+ EMPTY_HOWTO (14),
+ EMPTY_HOWTO (15),
+
+ /* A 5 bit shift field. */
+ HOWTO (R_MIPS_SHIFT5, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 5, /* bitsize */
+ false, /* pc_relative */
+ 6, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_SHIFT5", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0x000007c0, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* A 6 bit shift field. */
+ HOWTO (R_MIPS_SHIFT6, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 6, /* bitsize */
+ false, /* pc_relative */
+ 6, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ mips_elf_shift6_reloc, /* special_function */
+ "R_MIPS_SHIFT6", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0x000007c4, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* 64 bit relocation. */
+ HOWTO (R_MIPS_64, /* type */
+ 0, /* rightshift */
+ 4, /* size (0 = byte, 1 = short, 2 = long) */
+ 64, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_64", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ MINUS_ONE, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* Displacement in the global offset table. */
+ HOWTO (R_MIPS_GOT_DISP, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_GOT_DISP", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* Displacement to page pointer in the global offset table. */
+ HOWTO (R_MIPS_GOT_PAGE, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_GOT_PAGE", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* Offset from page pointer in the global offset table. */
+ HOWTO (R_MIPS_GOT_OFST, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_GOT_OFST", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* High 16 bits of displacement in global offset table. */
+ HOWTO (R_MIPS_GOT_HI16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_GOT_HI16", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* Low 16 bits of displacement in global offset table. */
+ HOWTO (R_MIPS_GOT_LO16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_GOT_LO16", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* 64 bit substraction. */
+ HOWTO (R_MIPS_SUB, /* type */
+ 0, /* rightshift */
+ 4, /* size (0 = byte, 1 = short, 2 = long) */
+ 64, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_SUB", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ MINUS_ONE, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* Insert the addend as an instruction. */
+ /* FIXME: Not handled correctly. */
+ HOWTO (R_MIPS_INSERT_A, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_INSERT_A", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* Insert the addend as an instruction, and change all relocations
+ to refer to the old instruction at the address. */
+ /* FIXME: Not handled correctly. */
+ HOWTO (R_MIPS_INSERT_B, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_INSERT_B", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* Delete a 32 bit instruction. */
+ /* FIXME: Not handled correctly. */
+ HOWTO (R_MIPS_DELETE, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_DELETE", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* Get the higher value of a 64 bit addend. */
+ HOWTO (R_MIPS_HIGHER, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_HIGHER", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* Get the highest value of a 64 bit addend. */
+ HOWTO (R_MIPS_HIGHEST, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_HIGHEST", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* High 16 bits of displacement in global offset table. */
+ HOWTO (R_MIPS_CALL_HI16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_CALL_HI16", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* Low 16 bits of displacement in global offset table. */
+ HOWTO (R_MIPS_CALL_LO16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_CALL_LO16", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* Section displacement, used by an associated event location section. */
+ HOWTO (R_MIPS_SCN_DISP, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_SCN_DISP", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* 16 bit relocation. */
+ HOWTO (R_MIPS_REL16, /* type */
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_REL16", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* These two are obsolete. */
+ EMPTY_HOWTO (R_MIPS_ADD_IMMEDIATE),
+ EMPTY_HOWTO (R_MIPS_PJUMP),
+
+ /* Similiar to R_MIPS_REL32, but used for relocations in a GOT section.
+ It must be used for multigot GOT's (and only there). */
+ HOWTO (R_MIPS_RELGOT, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_RELGOT", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* Protected jump conversion. This is an optimization hint. No
+ relocation is required for correctness. */
+ HOWTO (R_MIPS_JALR, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_JALR", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ false), /* pcrel_offset */
+};
+
+/* The reloc used for the mips16 jump instruction. */
+static reloc_howto_type elf_mips16_jump_howto =
+ HOWTO (R_MIPS16_26, /* type */
+ 2, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 26, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ /* This needs complex overflow
+ detection, because the upper four
+ bits must match the PC. */
+ mips16_jump_reloc, /* special_function */
+ "R_MIPS16_26", /* name */
+ true, /* partial_inplace */
+ 0x3ffffff, /* src_mask */
+ 0x3ffffff, /* dst_mask */
+ false); /* pcrel_offset */
+
+/* The reloc used for the mips16 gprel instruction. */
+static reloc_howto_type elf_mips16_gprel_howto =
+ HOWTO (R_MIPS16_GPREL, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ mips16_gprel_reloc, /* special_function */
+ "R_MIPS16_GPREL", /* name */
+ true, /* partial_inplace */
+ 0x07ff001f, /* src_mask */
+ 0x07ff001f, /* dst_mask */
+ false); /* pcrel_offset */
+
+/* GNU extension to record C++ vtable hierarchy */
+static reloc_howto_type elf_mips_gnu_vtinherit_howto =
+ HOWTO (R_MIPS_GNU_VTINHERIT, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ NULL, /* special_function */
+ "R_MIPS_GNU_VTINHERIT", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ false); /* pcrel_offset */
+
+/* GNU extension to record C++ vtable member usage */
+static reloc_howto_type elf_mips_gnu_vtentry_howto =
+ HOWTO (R_MIPS_GNU_VTENTRY, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ _bfd_elf_rel_vtable_reloc_fn, /* special_function */
+ "R_MIPS_GNU_VTENTRY", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ false); /* pcrel_offset */
+
+/* This is derived from bfd_elf_generic_reloc. NewABI allows us to have
+ several relocations against the same address. The addend is derived
+ from the addends of preceding relocations. If we don't need to
+ do something special, we simply keep track of the addend. */
+
+#define GET_RELOC_ADDEND(obfd, sym, entry, sec) \
+{ \
+ /* If we're relocating, and this is an external symbol, we don't \
+ want to change anything. */ \
+ if (obfd != (bfd *) NULL \
+ && (sym->flags & BSF_SECTION_SYM) == 0 \
+ && (! entry->howto->partial_inplace \
+ || entry->addend == 0)) \
+ { \
+ entry->address += sec->output_offset; \
+ return bfd_reloc_ok; \
+ } \
+ \
+ /* The addend of combined relocs is remembered and left for \
+ subsequent relocs. */ \
+ if (prev_reloc_address != reloc_entry->address) \
+ { \
+ prev_reloc_address = reloc_entry->address; \
+ prev_reloc_addend = reloc_entry->addend; \
+ } \
+ else \
+ reloc_entry->addend = prev_reloc_addend; \
+}
+
+#define SET_RELOC_ADDEND(entry) \
+{ \
+ prev_reloc_addend = entry->addend; \
+}
+
+static bfd_reloc_status_type
+mips_elf_generic_reloc (abfd, reloc_entry, symbol, data, input_section,
+ output_bfd, error_message)
+ bfd *abfd ATTRIBUTE_UNUSED;
+ arelent *reloc_entry;
+ asymbol *symbol;
+ PTR data ATTRIBUTE_UNUSED;
+ asection *input_section;
+ bfd *output_bfd;
+ char **error_message ATTRIBUTE_UNUSED;
+{
+ GET_RELOC_ADDEND (output_bfd, symbol, reloc_entry, input_section)
+
+ return bfd_reloc_continue;
+}
+
+/* Do a R_MIPS_HI16 relocation. This has to be done in combination
+ with a R_MIPS_LO16 reloc, because there is a carry from the LO16 to
+ the HI16. Here we just save the information we need; we do the
+ actual relocation when we see the LO16.
+
+ MIPS ELF requires that the LO16 immediately follow the HI16. As a
+ GNU extension, for non-pc-relative relocations, we permit an
+ arbitrary number of HI16 relocs to be associated with a single LO16
+ reloc. This extension permits gcc to output the HI and LO relocs
+ itself.
+
+ This cannot be done for PC-relative relocations because both the HI16
+ and LO16 parts of the relocations must be done relative to the LO16
+ part, and there can be carry to or borrow from the HI16 part. */
+
+struct mips_hi16
+{
+ struct mips_hi16 *next;
+ bfd_byte *addr;
+ bfd_vma addend;
+};
+
+/* FIXME: This should not be a static variable. */
+
+static struct mips_hi16 *mips_hi16_list;
+
+static bfd_reloc_status_type
+mips_elf_hi16_reloc (abfd, reloc_entry, symbol, data, input_section,
+ output_bfd, error_message)
+ bfd *abfd ATTRIBUTE_UNUSED;
+ arelent *reloc_entry;
+ asymbol *symbol;
+ PTR data;
+ asection *input_section;
+ bfd *output_bfd;
+ char **error_message ATTRIBUTE_UNUSED;
+{
+ bfd_reloc_status_type ret;
+ bfd_vma relocation;
+ struct mips_hi16 *n;
+
+ GET_RELOC_ADDEND (output_bfd, symbol, reloc_entry, input_section)
+
+ ret = bfd_reloc_ok;
+
+ if (bfd_is_und_section (symbol->section) && output_bfd == (bfd *) NULL)
+ ret = bfd_reloc_undefined;
+
+ if (bfd_is_com_section (symbol->section))
+ relocation = 0;
+ else
+ relocation = symbol->value;
+
+ relocation += symbol->section->output_section->vma;
+ relocation += symbol->section->output_offset;
+ relocation += reloc_entry->addend;
+
+ if (reloc_entry->address > input_section->_cooked_size)
+ return bfd_reloc_outofrange;
+
+ /* Save the information, and let LO16 do the actual relocation. */
+ n = (struct mips_hi16 *) bfd_malloc ((bfd_size_type) sizeof *n);
+ if (n == NULL)
+ return bfd_reloc_outofrange;
+ n->addr = (bfd_byte *) data + reloc_entry->address;
+ n->addend = relocation;
+ n->next = mips_hi16_list;
+ mips_hi16_list = n;
+
+ if (output_bfd != (bfd *) NULL)
+ reloc_entry->address += input_section->output_offset;
+
+ return ret;
+}
+
+/* Do a R_MIPS_LO16 relocation. This is a straightforward 16 bit
+ inplace relocation; this function exists in order to do the
+ R_MIPS_HI16 relocation described above. */
+
+static bfd_reloc_status_type
+mips_elf_lo16_reloc (abfd, reloc_entry, symbol, data, input_section,
+ output_bfd, error_message)
+ bfd *abfd;
+ arelent *reloc_entry;
+ asymbol *symbol;
+ PTR data;
+ asection *input_section;
+ bfd *output_bfd;
+ char **error_message;
+{
+ if (mips_hi16_list != NULL)
+ {
+ struct mips_hi16 *l;
+
+ l = mips_hi16_list;
+ while (l != NULL)
+ {
+ unsigned long insn;
+ unsigned long val;
+ unsigned long vallo;
+ struct mips_hi16 *next;
+
+ /* Do the HI16 relocation. Note that we actually don't need
+ to know anything about the LO16 itself, except where to
+ find the low 16 bits of the addend needed by the LO16. */
+ insn = bfd_get_32 (abfd, l->addr);
+ vallo = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
+
+ /* The low order 16 bits are always treated as a signed
+ value. */
+ vallo = ((vallo & 0xffff) ^ 0x8000) - 0x8000;
+ val = ((insn & 0xffff) << 16) + vallo;
+ val += l->addend;
+
+ /* If PC-relative, we need to subtract out the address of the LO
+ half of the HI/LO. (The actual relocation is relative
+ to that instruction.) */
+ if (reloc_entry->howto->pc_relative)
+ val -= reloc_entry->address;
+
+ /* At this point, "val" has the value of the combined HI/LO
+ pair. If the low order 16 bits (which will be used for
+ the LO16 insn) are negative, then we will need an
+ adjustment for the high order 16 bits. */
+ val += 0x8000;
+ val = (val >> 16) & 0xffff;
+
+ insn &= ~ (bfd_vma) 0xffff;
+ insn |= val;
+ bfd_put_32 (abfd, (bfd_vma) insn, l->addr);
+
+ next = l->next;
+ free (l);
+ l = next;
+ }
+
+ mips_hi16_list = NULL;
+ }
+
+ /* Now do the LO16 reloc in the usual way. */
+ return mips_elf_generic_reloc (abfd, reloc_entry, symbol, data,
+ input_section, output_bfd, error_message);
+}
+
+/* Do a R_MIPS_GOT16 reloc. This is a reloc against the global offset
+ table used for PIC code. If the symbol is an external symbol, the
+ instruction is modified to contain the offset of the appropriate
+ entry in the global offset table. If the symbol is a section
+ symbol, the next reloc is a R_MIPS_LO16 reloc. The two 16 bit
+ addends are combined to form the real addend against the section
+ symbol; the GOT16 is modified to contain the offset of an entry in
+ the global offset table, and the LO16 is modified to offset it
+ appropriately. Thus an offset larger than 16 bits requires a
+ modified value in the global offset table.
+
+ This implementation suffices for the assembler, but the linker does
+ not yet know how to create global offset tables. */
+
+static bfd_reloc_status_type
+mips_elf_got16_reloc (abfd, reloc_entry, symbol, data, input_section,
+ output_bfd, error_message)
+ bfd *abfd;
+ arelent *reloc_entry;
+ asymbol *symbol;
+ PTR data;
+ asection *input_section;
+ bfd *output_bfd;
+ char **error_message;
+{
+ /* If we're relocating, and this is a local symbol, we can handle it
+ just like HI16. */
+ if (output_bfd != (bfd *) NULL
+ && (symbol->flags & BSF_SECTION_SYM) != 0)
+ return mips_elf_hi16_reloc (abfd, reloc_entry, symbol, data,
+ input_section, output_bfd, error_message);
+
+ /* Otherwise we try to handle it as R_MIPS_GOT_DISP. */
+ return mips_elf_generic_reloc (abfd, reloc_entry, symbol, data,
+ input_section, output_bfd, error_message);
+}
+
+/* Set the GP value for OUTPUT_BFD. Returns false if this is a
+ dangerous relocation. */
+
+static boolean
+mips_elf_assign_gp (output_bfd, pgp)
+ bfd *output_bfd;
+ bfd_vma *pgp;
+{
+ unsigned int count;
+ asymbol **sym;
+ unsigned int i;
+
+ /* If we've already figured out what GP will be, just return it. */
+ *pgp = _bfd_get_gp_value (output_bfd);
+ if (*pgp)
+ return true;
+
+ count = bfd_get_symcount (output_bfd);
+ sym = bfd_get_outsymbols (output_bfd);
+
+ /* The linker script will have created a symbol named `_gp' with the
+ appropriate value. */
+ if (sym == (asymbol **) NULL)
+ i = count;
+ else
+ {
+ for (i = 0; i < count; i++, sym++)
+ {
+ register const char *name;
+
+ name = bfd_asymbol_name (*sym);
+ if (*name == '_' && strcmp (name, "_gp") == 0)
+ {
+ *pgp = bfd_asymbol_value (*sym);
+ _bfd_set_gp_value (output_bfd, *pgp);
+ break;
+ }
+ }
+ }
+
+ if (i >= count)
+ {
+ /* Only get the error once. */
+ *pgp = 4;
+ _bfd_set_gp_value (output_bfd, *pgp);
+ return false;
+ }
+
+ return true;
+}
+
+/* We have to figure out the gp value, so that we can adjust the
+ symbol value correctly. We look up the symbol _gp in the output
+ BFD. If we can't find it, we're stuck. We cache it in the ELF
+ target data. We don't need to adjust the symbol value for an
+ external symbol if we are producing relocateable output. */
+
+static bfd_reloc_status_type
+mips_elf_final_gp (output_bfd, symbol, relocateable, error_message, pgp)
+ bfd *output_bfd;
+ asymbol *symbol;
+ boolean relocateable;
+ char **error_message;
+ bfd_vma *pgp;
+{
+ if (bfd_is_und_section (symbol->section)
+ && ! relocateable)
+ {
+ *pgp = 0;
+ return bfd_reloc_undefined;
+ }
+
+ *pgp = _bfd_get_gp_value (output_bfd);
+ if (*pgp == 0
+ && (! relocateable
+ || (symbol->flags & BSF_SECTION_SYM) != 0))
+ {
+ if (relocateable)
+ {
+ /* Make up a value. */
+ *pgp = symbol->section->output_section->vma + 0x4000;
+ _bfd_set_gp_value (output_bfd, *pgp);
+ }
+ else if (!mips_elf_assign_gp (output_bfd, pgp))
+ {
+ *error_message =
+ (char *) _("GP relative relocation when _gp not defined");
+ return bfd_reloc_dangerous;
+ }
+ }
+
+ return bfd_reloc_ok;
+}
+
+/* Do a R_MIPS_GPREL16 relocation. This is a 16 bit value which must
+ become the offset from the gp register. */
+
+static bfd_reloc_status_type
+mips_elf_gprel16_reloc (abfd, reloc_entry, symbol, data, input_section,
+ output_bfd, error_message)
+ bfd *abfd ATTRIBUTE_UNUSED;
+ arelent *reloc_entry;
+ asymbol *symbol;
+ PTR data ATTRIBUTE_UNUSED;
+ asection *input_section;
+ bfd *output_bfd;
+ char **error_message ATTRIBUTE_UNUSED;
+{
+ boolean relocateable;
+ bfd_reloc_status_type ret;
+ bfd_vma gp;
+
+ GET_RELOC_ADDEND (output_bfd, symbol, reloc_entry, input_section)
+
+ if (output_bfd != (bfd *) NULL)
+ relocateable = true;
+ else
+ {
+ relocateable = false;
+ output_bfd = symbol->section->output_section->owner;
+ }
+
+ ret = mips_elf_final_gp (output_bfd, symbol, relocateable, error_message,
+ &gp);
+ if (ret != bfd_reloc_ok)
+ return ret;
+
+ return _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry,
+ input_section, relocateable,
+ data, gp);
+}
+
+/* Do a R_MIPS_LITERAL relocation. */
+
+static bfd_reloc_status_type
+mips_elf_literal_reloc (abfd, reloc_entry, symbol, data, input_section,
+ output_bfd, error_message)
+ bfd *abfd;
+ arelent *reloc_entry;
+ asymbol *symbol;
+ PTR data;
+ asection *input_section;
+ bfd *output_bfd;
+ char **error_message;
+{
+ boolean relocateable;
+ bfd_reloc_status_type ret;
+ bfd_vma gp;
+
+ GET_RELOC_ADDEND (output_bfd, symbol, reloc_entry, input_section)
+
+ /* FIXME: The entries in the .lit8 and .lit4 sections should be merged. */
+ if (output_bfd != (bfd *) NULL)
+ relocateable = true;
+ else
+ {
+ relocateable = false;
+ output_bfd = symbol->section->output_section->owner;
+ }
+
+ ret = mips_elf_final_gp (output_bfd, symbol, relocateable, error_message,
+ &gp);
+ if (ret != bfd_reloc_ok)
+ return ret;
+
+ return _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry,
+ input_section, relocateable,
+ data, gp);
+}
+
+/* Do a R_MIPS_GPREL32 relocation. This is a 32 bit value which must
+ become the offset from the gp register. */
+
+static bfd_reloc_status_type
+mips_elf_gprel32_reloc (abfd, reloc_entry, symbol, data, input_section,
+ output_bfd, error_message)
+ bfd *abfd;
+ arelent *reloc_entry;
+ asymbol *symbol;
+ PTR data;
+ asection *input_section;
+ bfd *output_bfd;
+ char **error_message;
+{
+ boolean relocateable;
+ bfd_reloc_status_type ret;
+ bfd_vma gp;
+
+ GET_RELOC_ADDEND (output_bfd, symbol, reloc_entry, input_section)
+
+ /* R_MIPS_GPREL32 relocations are defined for local symbols only.
+ We will only have an addend if this is a newly created reloc,
+ not read from an ELF file. */
+ if (output_bfd != (bfd *) NULL
+ && (symbol->flags & BSF_SECTION_SYM) == 0
+ && reloc_entry->addend == 0)
+ {
+ *error_message = (char *)
+ _("32bits gp relative relocation occurs for an external symbol");
+ return bfd_reloc_outofrange;
+ }
+
+ if (output_bfd != (bfd *) NULL)
+ {
+ relocateable = true;
+ gp = _bfd_get_gp_value (output_bfd);
+ }
+ else
+ {
+ relocateable = false;
+ output_bfd = symbol->section->output_section->owner;
+
+ ret = mips_elf_final_gp (output_bfd, symbol, relocateable,
+ error_message, &gp);
+ if (ret != bfd_reloc_ok)
+ return ret;
+ }
+
+ return gprel32_with_gp (abfd, symbol, reloc_entry, input_section,
+ relocateable, data, gp);
+}
+
+static bfd_reloc_status_type
+gprel32_with_gp (abfd, symbol, reloc_entry, input_section, relocateable, data,
+ gp)
+ bfd *abfd;
+ asymbol *symbol;
+ arelent *reloc_entry;
+ asection *input_section;
+ boolean relocateable;
+ PTR data;
+ bfd_vma gp;
+{
+ bfd_vma relocation;
+ unsigned long val;
+
+ if (bfd_is_com_section (symbol->section))
+ relocation = 0;
+ else
+ relocation = symbol->value;
+
+ relocation += symbol->section->output_section->vma;
+ relocation += symbol->section->output_offset;
+
+ if (reloc_entry->address > input_section->_cooked_size)
+ return bfd_reloc_outofrange;
+
+ if (reloc_entry->howto->src_mask == 0)
+ val = 0;
+ else
+ val = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
+
+ /* Set val to the offset into the section or symbol. */
+ val += reloc_entry->addend;
+
+ /* Adjust val for the final section location and GP value. If we
+ are producing relocateable output, we don't want to do this for
+ an external symbol. */
+ if (! relocateable
+ || (symbol->flags & BSF_SECTION_SYM) != 0)
+ val += relocation - gp;
+
+ bfd_put_32 (abfd, (bfd_vma) val, (bfd_byte *) data + reloc_entry->address);
+
+ if (relocateable)
+ reloc_entry->address += input_section->output_offset;
+
+ return bfd_reloc_ok;
+}
+
+/* Do a R_MIPS_SHIFT6 relocation. The MSB of the shift is stored at bit 2,
+ the rest is at bits 6-10. The bitpos already got right by the howto. */
+
+static bfd_reloc_status_type
+mips_elf_shift6_reloc (abfd, reloc_entry, symbol, data, input_section,
+ output_bfd, error_message)
+ bfd *abfd ATTRIBUTE_UNUSED;
+ arelent *reloc_entry;
+ asymbol *symbol;
+ PTR data ATTRIBUTE_UNUSED;
+ asection *input_section;
+ bfd *output_bfd;
+ char **error_message ATTRIBUTE_UNUSED;
+{
+ GET_RELOC_ADDEND (output_bfd, symbol, reloc_entry, input_section)
+
+ reloc_entry->addend = (reloc_entry->addend & 0x00007c0)
+ | (reloc_entry->addend & 0x00000800) >> 9;
+
+ SET_RELOC_ADDEND (reloc_entry)
+
+ return bfd_reloc_continue;
+}
+
+/* Handle a mips16 jump. */
+
+static bfd_reloc_status_type
+mips16_jump_reloc (abfd, reloc_entry, symbol, data, input_section,
+ output_bfd, error_message)
+ bfd *abfd ATTRIBUTE_UNUSED;
+ arelent *reloc_entry;
+ asymbol *symbol;
+ PTR data ATTRIBUTE_UNUSED;
+ asection *input_section;
+ bfd *output_bfd;
+ char **error_message ATTRIBUTE_UNUSED;
+{
+ static boolean warned = false;
+
+ GET_RELOC_ADDEND (output_bfd, symbol, reloc_entry, input_section)
+
+ /* FIXME. */
+ if (! warned)
+ (*_bfd_error_handler)
+ (_("Linking mips16 objects into %s format is not supported"),
+ bfd_get_target (input_section->output_section->owner));
+ warned = true;
+
+ return bfd_reloc_undefined;
+}
+
+/* Handle a mips16 GP relative reloc. */
+
+static bfd_reloc_status_type
+mips16_gprel_reloc (abfd, reloc_entry, symbol, data, input_section,
+ output_bfd, error_message)
+ bfd *abfd;
+ arelent *reloc_entry;
+ asymbol *symbol;
+ PTR data;
+ asection *input_section;
+ bfd *output_bfd;
+ char **error_message;
+{
+ boolean relocateable;
+ bfd_reloc_status_type ret;
+ bfd_vma gp;
+ unsigned short extend, insn;
+ unsigned long final;
+
+ GET_RELOC_ADDEND (output_bfd, symbol, reloc_entry, input_section)
+
+ if (output_bfd != NULL)
+ relocateable = true;
+ else
+ {
+ relocateable = false;
+ output_bfd = symbol->section->output_section->owner;
+ }
+
+ ret = mips_elf_final_gp (output_bfd, symbol, relocateable, error_message,
+ &gp);
+ if (ret != bfd_reloc_ok)
+ return ret;
+
+ if (reloc_entry->address > input_section->_cooked_size)
+ return bfd_reloc_outofrange;
+
+ /* Pick up the mips16 extend instruction and the real instruction. */
+ extend = bfd_get_16 (abfd, (bfd_byte *) data + reloc_entry->address);
+ insn = bfd_get_16 (abfd, (bfd_byte *) data + reloc_entry->address + 2);
+
+ /* Stuff the current addend back as a 32 bit value, do the usual
+ relocation, and then clean up. */
+ bfd_put_32 (abfd,
+ (bfd_vma) (((extend & 0x1f) << 11)
+ | (extend & 0x7e0)
+ | (insn & 0x1f)),
+ (bfd_byte *) data + reloc_entry->address);
+
+ ret = _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry,
+ input_section, relocateable, data, gp);
+
+ final = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
+ bfd_put_16 (abfd,
+ (bfd_vma) ((extend & 0xf800)
+ | ((final >> 11) & 0x1f)
+ | (final & 0x7e0)),
+ (bfd_byte *) data + reloc_entry->address);
+ bfd_put_16 (abfd,
+ (bfd_vma) ((insn & 0xffe0)
+ | (final & 0x1f)),
+ (bfd_byte *) data + reloc_entry->address + 2);
+
+ return ret;
+}
+
+#undef GET_RELOC_ADDEND
+#undef SET_RELOC_ADDEND
+
+/* A mapping from BFD reloc types to MIPS ELF reloc types. */
+
+struct elf_reloc_map {
+ bfd_reloc_code_real_type bfd_val;
+ enum elf_mips_reloc_type elf_val;
+};
+
+static const struct elf_reloc_map mips_reloc_map[] =
+{
+ { BFD_RELOC_NONE, R_MIPS_NONE },
+ { BFD_RELOC_16, R_MIPS_16 },
+ { BFD_RELOC_32, R_MIPS_32 },
+ /* There is no BFD reloc for R_MIPS_REL32. */
+ { BFD_RELOC_CTOR, R_MIPS_32 },
+ { BFD_RELOC_64, R_MIPS_64 },
+ { BFD_RELOC_16_PCREL, R_MIPS_PC16 },
+ { BFD_RELOC_HI16_S, R_MIPS_HI16 },
+ { BFD_RELOC_LO16, R_MIPS_LO16 },
+ { BFD_RELOC_GPREL16, R_MIPS_GPREL16 },
+ { BFD_RELOC_GPREL32, R_MIPS_GPREL32 },
+ { BFD_RELOC_MIPS_JMP, R_MIPS_26 },
+ { BFD_RELOC_MIPS_LITERAL, R_MIPS_LITERAL },
+ { BFD_RELOC_MIPS_GOT16, R_MIPS_GOT16 },
+ { BFD_RELOC_MIPS_CALL16, R_MIPS_CALL16 },
+ { BFD_RELOC_MIPS_SHIFT5, R_MIPS_SHIFT5 },
+ { BFD_RELOC_MIPS_SHIFT6, R_MIPS_SHIFT6 },
+ { BFD_RELOC_MIPS_GOT_DISP, R_MIPS_GOT_DISP },
+ { BFD_RELOC_MIPS_GOT_PAGE, R_MIPS_GOT_PAGE },
+ { BFD_RELOC_MIPS_GOT_OFST, R_MIPS_GOT_OFST },
+ { BFD_RELOC_MIPS_GOT_HI16, R_MIPS_GOT_HI16 },
+ { BFD_RELOC_MIPS_GOT_LO16, R_MIPS_GOT_LO16 },
+ { BFD_RELOC_MIPS_SUB, R_MIPS_SUB },
+ { BFD_RELOC_MIPS_INSERT_A, R_MIPS_INSERT_A },
+ { BFD_RELOC_MIPS_INSERT_B, R_MIPS_INSERT_B },
+ { BFD_RELOC_MIPS_DELETE, R_MIPS_DELETE },
+ { BFD_RELOC_MIPS_HIGHEST, R_MIPS_HIGHEST },
+ { BFD_RELOC_MIPS_HIGHER, R_MIPS_HIGHER },
+ { BFD_RELOC_MIPS_CALL_HI16, R_MIPS_CALL_HI16 },
+ { BFD_RELOC_MIPS_CALL_LO16, R_MIPS_CALL_LO16 },
+ { BFD_RELOC_MIPS_SCN_DISP, R_MIPS_SCN_DISP },
+ { BFD_RELOC_MIPS_REL16, R_MIPS_REL16 },
+ /* Use of R_MIPS_ADD_IMMEDIATE and R_MIPS_PJUMP is deprecated. */
+ { BFD_RELOC_MIPS_RELGOT, R_MIPS_RELGOT },
+ { BFD_RELOC_MIPS_JALR, R_MIPS_JALR }
+};
+
+/* Given a BFD reloc type, return a howto structure. */
+
+static reloc_howto_type *
+bfd_elf32_bfd_reloc_type_lookup (abfd, code)
+ bfd *abfd ATTRIBUTE_UNUSED;
+ bfd_reloc_code_real_type code;
+{
+ unsigned int i;
+ /* FIXME: We default to RELA here instead of choosing the right
+ relocation variant. */
+ reloc_howto_type *howto_table = elf_mips_howto_table_rela;
+
+ for (i = 0; i < sizeof (mips_reloc_map) / sizeof (struct elf_reloc_map);
+ i++)
+ {
+ if (mips_reloc_map[i].bfd_val == code)
+ return &howto_table[(int) mips_reloc_map[i].elf_val];
+ }
+
+ switch (code)
+ {
+ case BFD_RELOC_MIPS16_JMP:
+ return &elf_mips16_jump_howto;
+ case BFD_RELOC_MIPS16_GPREL:
+ return &elf_mips16_gprel_howto;
+ case BFD_RELOC_VTABLE_INHERIT:
+ return &elf_mips_gnu_vtinherit_howto;
+ case BFD_RELOC_VTABLE_ENTRY:
+ return &elf_mips_gnu_vtentry_howto;
+ default:
+ bfd_set_error (bfd_error_bad_value);
+ return NULL;
+ }
+}
+
+/* Given a MIPS Elf32_Internal_Rel, fill in an arelent structure. */
+
+static reloc_howto_type *
+mips_elf_n32_rtype_to_howto (r_type, rela_p)
+ unsigned int r_type;
+ boolean rela_p;
+{
+ switch (r_type)
+ {
+ case R_MIPS16_26:
+ return &elf_mips16_jump_howto;
+ case R_MIPS16_GPREL:
+ return &elf_mips16_gprel_howto;
+ case R_MIPS_GNU_VTINHERIT:
+ return &elf_mips_gnu_vtinherit_howto;
+ case R_MIPS_GNU_VTENTRY:
+ return &elf_mips_gnu_vtentry_howto;
+ default:
+ BFD_ASSERT (r_type < (unsigned int) R_MIPS_max);
+ if (rela_p)
+ return &elf_mips_howto_table_rela[r_type];
+ else
+ return &elf_mips_howto_table_rel[r_type];
+ break;
+ }
+}
+
+/* Given a MIPS Elf32_Internal_Rel, fill in an arelent structure. */
+
+static void
+mips_info_to_howto_rel (abfd, cache_ptr, dst)
+ bfd *abfd;
+ arelent *cache_ptr;
+ Elf32_Internal_Rel *dst;
+{
+ unsigned int r_type;
+
+ r_type = ELF32_R_TYPE (dst->r_info);
+ cache_ptr->howto = mips_elf_n32_rtype_to_howto (r_type, false);
+
+ /* The addend for a GPREL16 or LITERAL relocation comes from the GP
+ value for the object file. We get the addend now, rather than
+ when we do the relocation, because the symbol manipulations done
+ by the linker may cause us to lose track of the input BFD. */
+ if (((*cache_ptr->sym_ptr_ptr)->flags & BSF_SECTION_SYM) != 0
+ && (r_type == (unsigned int) R_MIPS_GPREL16
+ || r_type == (unsigned int) R_MIPS_LITERAL))
+ cache_ptr->addend = elf_gp (abfd);
+}
+
+/* Given a MIPS Elf32_Internal_Rela, fill in an arelent structure. */
+
+static void
+mips_info_to_howto_rela (abfd, cache_ptr, dst)
+ bfd *abfd ATTRIBUTE_UNUSED;
+ arelent *cache_ptr;
+ Elf32_Internal_Rela *dst;
+{
+ unsigned int r_type;
+
+ r_type = ELF32_R_TYPE (dst->r_info);
+ cache_ptr->howto = mips_elf_n32_rtype_to_howto (r_type, true);
+ cache_ptr->addend = dst->r_addend;
+}
+
+/* Determine whether a symbol is global for the purposes of splitting
+ the symbol table into global symbols and local symbols. At least
+ on Irix 5, this split must be between section symbols and all other
+ symbols. On most ELF targets the split is between static symbols
+ and externally visible symbols. */
+
+static boolean
+mips_elf_sym_is_global (abfd, sym)
+ bfd *abfd ATTRIBUTE_UNUSED;
+ asymbol *sym;
+{
+ if (SGI_COMPAT (abfd))
+ return (sym->flags & BSF_SECTION_SYM) == 0;
+ else
+ return ((sym->flags & (BSF_GLOBAL | BSF_WEAK)) != 0
+ || bfd_is_und_section (bfd_get_section (sym))
+ || bfd_is_com_section (bfd_get_section (sym)));
+}
+
+/* Set the right machine number for a MIPS ELF file. */
+
+static boolean
+mips_elf_n32_object_p (abfd)
+ bfd *abfd;
+{
+ unsigned long mach;
+
+ /* Irix 5 and 6 are broken. Object file symbol tables are not always
+ sorted correctly such that local symbols precede global symbols,
+ and the sh_info field in the symbol table is not always right. */
+ if (SGI_COMPAT (abfd))
+ elf_bad_symtab (abfd) = true;
+
+ mach = _bfd_elf_mips_mach (elf_elfheader (abfd)->e_flags);
+ bfd_default_set_arch_mach (abfd, bfd_arch_mips, mach);
+
+ if (! ABI_N32_P(abfd))
+ return false;
+
+ return true;
+}
+
+/* Support for core dump NOTE sections. */
+static boolean
+elf32_mips_grok_prstatus (abfd, note)
+ bfd *abfd;
+ Elf_Internal_Note *note;
+{
+ int offset;
+ unsigned int raw_size;
+
+ switch (note->descsz)
+ {
+ default:
+ return false;
+
+ case 256: /* Linux/MIPS */
+ /* pr_cursig */
+ elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12);
+
+ /* pr_pid */
+ elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 24);
+
+ /* pr_reg */
+ offset = 72;
+ raw_size = 180;
+
+ break;
+ }
+
+ /* Make a ".reg/999" section. */
+ return _bfd_elfcore_make_pseudosection (abfd, ".reg", raw_size,
+ note->descpos + offset);
+}
+
+static boolean
+elf32_mips_grok_psinfo (abfd, note)
+ bfd *abfd;
+ Elf_Internal_Note *note;
+{
+ switch (note->descsz)
+ {
+ default:
+ return false;
+
+ case 128: /* Linux/MIPS elf_prpsinfo */
+ elf_tdata (abfd)->core_program
+ = _bfd_elfcore_strndup (abfd, note->descdata + 32, 16);
+ elf_tdata (abfd)->core_command
+ = _bfd_elfcore_strndup (abfd, note->descdata + 48, 80);
+ }
+
+ /* Note that for some reason, a spurious space is tacked
+ onto the end of the args in some (at least one anyway)
+ implementations, so strip it off if it exists. */
+
+ {
+ char *command = elf_tdata (abfd)->core_command;
+ int n = strlen (command);
+
+ if (0 < n && command[n - 1] == ' ')
+ command[n - 1] = '\0';
+ }
+
+ return true;
+}
+
+/* Depending on the target vector we generate some version of Irix
+ executables or "normal" MIPS ELF ABI executables. */
+static irix_compat_t
+elf_n32_mips_irix_compat (abfd)
+ bfd *abfd;
+{
+ if ((abfd->xvec == &bfd_elf32_nbigmips_vec)
+ || (abfd->xvec == &bfd_elf32_nlittlemips_vec))
+ return ict_irix6;
+ else
+ return ict_none;
+}
+
+/* ECOFF swapping routines. These are used when dealing with the
+ .mdebug section, which is in the ECOFF debugging format. */
+static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = {
+ /* Symbol table magic number. */
+ magicSym,
+ /* Alignment of debugging information. E.g., 4. */
+ 4,
+ /* Sizes of external symbolic information. */
+ sizeof (struct hdr_ext),
+ sizeof (struct dnr_ext),
+ sizeof (struct pdr_ext),
+ sizeof (struct sym_ext),
+ sizeof (struct opt_ext),
+ sizeof (struct fdr_ext),
+ sizeof (struct rfd_ext),
+ sizeof (struct ext_ext),
+ /* Functions to swap in external symbolic data. */
+ ecoff_swap_hdr_in,
+ ecoff_swap_dnr_in,
+ ecoff_swap_pdr_in,
+ ecoff_swap_sym_in,
+ ecoff_swap_opt_in,
+ ecoff_swap_fdr_in,
+ ecoff_swap_rfd_in,
+ ecoff_swap_ext_in,
+ _bfd_ecoff_swap_tir_in,
+ _bfd_ecoff_swap_rndx_in,
+ /* Functions to swap out external symbolic data. */
+ ecoff_swap_hdr_out,
+ ecoff_swap_dnr_out,
+ ecoff_swap_pdr_out,
+ ecoff_swap_sym_out,
+ ecoff_swap_opt_out,
+ ecoff_swap_fdr_out,
+ ecoff_swap_rfd_out,
+ ecoff_swap_ext_out,
+ _bfd_ecoff_swap_tir_out,
+ _bfd_ecoff_swap_rndx_out,
+ /* Function to read in symbolic data. */
+ _bfd_mips_elf_read_ecoff_info
+};
+
+#define ELF_ARCH bfd_arch_mips
+#define ELF_MACHINE_CODE EM_MIPS
+
+/* The SVR4 MIPS ABI says that this should be 0x10000, but Irix 5 uses
+ a value of 0x1000, and we are compatible.
+ FIXME: How does this affect NewABI? */
+#define ELF_MAXPAGESIZE 0x1000
+
+#define elf_backend_collect true
+#define elf_backend_type_change_ok true
+#define elf_backend_can_gc_sections true
+#define elf_info_to_howto mips_info_to_howto_rela
+#define elf_info_to_howto_rel mips_info_to_howto_rel
+#define elf_backend_sym_is_global mips_elf_sym_is_global
+#define elf_backend_object_p mips_elf_n32_object_p
+#define elf_backend_symbol_processing _bfd_mips_elf_symbol_processing
+#define elf_backend_section_processing _bfd_mips_elf_section_processing
+#define elf_backend_section_from_shdr _bfd_mips_elf_section_from_shdr
+#define elf_backend_fake_sections _bfd_mips_elf_fake_sections
+#define elf_backend_section_from_bfd_section \
+ _bfd_mips_elf_section_from_bfd_section
+#define elf_backend_add_symbol_hook _bfd_mips_elf_add_symbol_hook
+#define elf_backend_link_output_symbol_hook \
+ _bfd_mips_elf_link_output_symbol_hook
+#define elf_backend_create_dynamic_sections \
+ _bfd_mips_elf_create_dynamic_sections
+#define elf_backend_check_relocs _bfd_mips_elf_check_relocs
+#define elf_backend_adjust_dynamic_symbol \
+ _bfd_mips_elf_adjust_dynamic_symbol
+#define elf_backend_always_size_sections \
+ _bfd_mips_elf_always_size_sections
+#define elf_backend_size_dynamic_sections \
+ _bfd_mips_elf_size_dynamic_sections
+#define elf_backend_relocate_section _bfd_mips_elf_relocate_section
+#define elf_backend_finish_dynamic_symbol \
+ _bfd_mips_elf_finish_dynamic_symbol
+#define elf_backend_finish_dynamic_sections \
+ _bfd_mips_elf_finish_dynamic_sections
+#define elf_backend_final_write_processing \
+ _bfd_mips_elf_final_write_processing
+#define elf_backend_additional_program_headers \
+ _bfd_mips_elf_additional_program_headers
+#define elf_backend_modify_segment_map _bfd_mips_elf_modify_segment_map
+#define elf_backend_gc_mark_hook _bfd_mips_elf_gc_mark_hook
+#define elf_backend_gc_sweep_hook _bfd_mips_elf_gc_sweep_hook
+#define elf_backend_copy_indirect_symbol \
+ _bfd_mips_elf_copy_indirect_symbol
+#define elf_backend_hide_symbol _bfd_mips_elf_hide_symbol
+#define elf_backend_grok_prstatus elf32_mips_grok_prstatus
+#define elf_backend_grok_psinfo elf32_mips_grok_psinfo
+#define elf_backend_ecoff_debug_swap &mips_elf32_ecoff_debug_swap
+
+#define elf_backend_got_header_size (4 * MIPS_RESERVED_GOTNO)
+#define elf_backend_plt_header_size 0
+
+/* MIPS n32 ELF can use a mixture of REL and RELA, but some Relocations
+ work better/work only in RELA, so we default to this. */
+#define elf_backend_may_use_rel_p 1
+#define elf_backend_may_use_rela_p 1
+#define elf_backend_default_use_rela_p 1
+#define elf_backend_sign_extend_vma true
+
+#define elf_backend_discard_info _bfd_mips_elf_discard_info
+#define elf_backend_ignore_discarded_relocs \
+ _bfd_mips_elf_ignore_discarded_relocs
+#define elf_backend_write_section _bfd_mips_elf_write_section
+#define elf_backend_mips_irix_compat elf_n32_mips_irix_compat
+#define elf_backend_mips_rtype_to_howto mips_elf_n32_rtype_to_howto
+#define bfd_elf32_find_nearest_line _bfd_mips_elf_find_nearest_line
+#define bfd_elf32_set_section_contents _bfd_mips_elf_set_section_contents
+#define bfd_elf32_bfd_get_relocated_section_contents \
+ _bfd_elf_mips_get_relocated_section_contents
+#define bfd_elf32_bfd_link_hash_table_create \
+ _bfd_mips_elf_link_hash_table_create
+#define bfd_elf32_bfd_final_link _bfd_mips_elf_final_link
+#define bfd_elf32_bfd_merge_private_bfd_data \
+ _bfd_mips_elf_merge_private_bfd_data
+#define bfd_elf32_bfd_set_private_flags _bfd_mips_elf_set_private_flags
+#define bfd_elf32_bfd_print_private_bfd_data \
+ _bfd_mips_elf_print_private_bfd_data
+
+/* Support for SGI-ish mips targets using n32 ABI. */
+
+#define TARGET_LITTLE_SYM bfd_elf32_nlittlemips_vec
+#define TARGET_LITTLE_NAME "elf32-nlittlemips"
+#define TARGET_BIG_SYM bfd_elf32_nbigmips_vec
+#define TARGET_BIG_NAME "elf32-nbigmips"
+
+#include "elf32-target.h"
+
+/* Support for traditional mips targets using n32 ABI. */
+#define INCLUDED_TARGET_FILE /* More a type of flag. */
+
+#undef TARGET_LITTLE_SYM
+#undef TARGET_LITTLE_NAME
+#undef TARGET_BIG_SYM
+#undef TARGET_BIG_NAME
+
+#define TARGET_LITTLE_SYM bfd_elf32_ntradlittlemips_vec
+#define TARGET_LITTLE_NAME "elf32-ntradlittlemips"
+#define TARGET_BIG_SYM bfd_elf32_ntradbigmips_vec
+#define TARGET_BIG_NAME "elf32-ntradbigmips"
+
+/* Include the target file again for this target. */
+#include "elf32-target.h"
generated by cgit v1.1 at 2025-02-16 14:18:42 +0000