a680de9a98
include/opcode/ * ppc.h (PPC_OPCODE_POWER9): New define. (PPC_OPCODE_VSX3): Likewise. opcodes/ * ppc-dis.c (ppc_opts): Add "power9" and "pwr9" entries. Add PPC_OPCODE_VSX3 to the vsx entry. (powerpc_init_dialect): Set default dialect to power9. * ppc-opc.c (insert_dcmxs, extract_dcmxs, insert_dxd, extract_dxd, insert_dxdn, extract_dxdn, insert_l0, extract_l0, insert_l1, extract_l1 insert_xtq6, extract_xtq6): New static functions. (insert_esync): Test for illegal L operand value. (DCMX, DCMXS, DXD, NDXD, L0, L1, RC, FC, UIM6, X_R, RIC, PRS, XSQ6, XTQ6, LRAND, IMM8, DQX, DQX_MASK, DX, DX_MASK, VXVAPS_MASK, VXVA,XVA, XX2VA, XVARC, XBF_MASK, XX2UIM4_MASK, XX2BFD_MASK, XX2DCMXS_MASK, XVA_MASK, XRLA_MASK, XBFRARB_MASK, XLRAND_MASK, POWER9, PPCVEC3, PPCVSX3): New defines. (powerpc_opcodes) <ps_cmpu0, ps_cmpo0, ps_cmpu1, ps_cmpo1, fcmpu, fcmpo, ftdiv, ftsqrt>: Use XBF_MASK. <mcrxr>: Use XBFRARB_MASK. <addpcis, bcdcfn., bcdcfsq., bcdcfz., bcdcpsgn., bcdctn., bcdctsq., bcdctz., bcds., bcdsetsgn., bcdsr., bcdtrunc., bcdus., bcdutrunc., cmpeqb, cmprb, cnttzd, cnttzd., cnttzw, cnttzw., copy, copy_first, cp_abort, darn, dtstsfi, dtstsfiq, extswsli, extswsli., ldat, ldmx, lwat, lxsd, lxsibzx, lxsihzx, lxssp, lxv, lxvb16x, lxvh8x, lxvl, lxvll, lxvwsx, lxvx, maddhd, maddhdu, maddld, mcrxrx, mfvsrld, modsd, modsw, modud, moduw, msgsync, mtvsrdd, mtvsrws, paste, paste., paste_last, rmieg, setb, slbieg, slbsync, stdat, stop, stwat, stxsd, stxsibx, stxsihx, stxssp, stxv, stxvb16x, stxvh8x, stxvl, stxvll, stxvx, subpcis, urfid, vbpermd, vclzlsbb, vcmpneb, vcmpneb., vcmpneh, vcmpneh., vcmpnew, vcmpnew., vcmpnezb, vcmpnezb., vcmpnezh, vcmpnezh., vcmpnezw, vcmpnezw., vctzb, vctzd, vctzh, vctzlsbb, vctzw, vextractd, vextractub, vextractuh, vextractuw, vextsb2d, vextsb2w, vextsh2d, vextsh2w, vextsw2d, vextublx, vextubrx, vextuhlx, vextuhrx, vextuwlx, vextuwrx, vinsertb, vinsertd, vinserth, vinsertw, vmul10cuq, vmul10ecuq, vmul10euq, vmul10uq, vnegd, vnegw, vpermr, vprtybd, vprtybq, vprtybw, vrldmi, vrldnm, vrlwmi, vrlwnm, vslv, vsrv, wait, xsabsqp, xsaddqp, xsaddqpo, xscmpeqdp, xscmpexpdp, xscmpexpqp, xscmpgedp, xscmpgtdp, xscmpnedp, xscmpoqp, xscmpuqp, xscpsgnqp, xscvdphp, xscvdpqp, xscvhpdp, xscvqpdp, xscvqpdpo, xscvqpsdz, xscvqpswz, xscvqpudz, xscvqpuwz, xscvsdqp, xscvudqp, xsdivqp, xsdivqpo, xsiexpdp, xsiexpqp, xsmaddqp, xsmaddqpo, xsmaxcdp, xsmaxjdp, xsmincdp, xsminjdp, xsmsubqp, xsmsubqpo, xsmulqp, xsmulqpo, xsnabsqp, xsnegqp, xsnmaddqp, xsnmaddqpo, xsnmsubqp, xsnmsubqpo, xsrqpi, xsrqpix, xsrqpxp, xssqrtqp, xssqrtqpo, xssubqp, xssubqpo, xststdcdp, xststdcqp, xststdcsp, xsxexpdp, xsxexpqp, xsxsigdp, xsxsigqp, xvcmpnedp, xvcmpnedp., xvcmpnesp, xvcmpnesp., xvcvhpsp, xvcvsphp, xviexpdp, xviexpsp, xvtstdcdp, xvtstdcsp, xvxexpdp, xvxexpsp, xvxsigdp, xvxsigsp, xxbrd, xxbrh, xxbrq, xxbrw, xxextractuw, xxinsertw, xxperm, xxpermr, xxspltib>: New instructions. <doze, nap, sleep, rvwinkle, waitasec, lxvx, stxvx>: Disable on POWER9. <tlbiel, tlbie, sync, slbmfev, slbmfee>: Add additional operands. include/elf/ * ppc.h (R_PPC_REL16DX_HA): New reloction. * ppc64.h (R_PPC64_REL16DX_HA): Likewise. bfd/ * elf32-ppc.c (ppc_elf_howto_raw): Add R_PPC_REL16DX_HA. (ppc_elf_reloc_type_lookup): Handle R_PPC_REL16DX_HA. (ppc_elf_addr16_ha_reloc): Likewise. (ppc_elf_check_relocs): Likewise. (ppc_elf_relocate_section): Likewise. (is_insn_dq_form): Handle lxv and stxv instructions. * elf64-ppc.c (ppc64_elf_howto_raw): Add R_PPC64_REL16DX_HA. (ppc64_elf_reloc_type_lookup): Handle R_PPC64_REL16DX_HA. (ppc64_elf_ha_reloc): Likewise. (ppc64_elf_check_relocs): Likewise. (ppc64_elf_relocate_section): Likewise. * bfd-in2.h: Regenerate. * libbfd.h: Likewise. * reloc.c (BFD_RELOC_PPC_REL16DX_HA): New. elfcpp/ * powerpc.h (R_POWERPC_REL16DX_HA): Define. gas/ * doc/as.texinfo (Target PowerPC): Document -mpower9 and -mpwr9. * doc/c-ppc.texi (PowerPC-Opts): Likewise. * config/tc-ppc.c (md_show_usage): Likewise. (md_assemble): Handle BFD_RELOC_PPC_REL16DX_HA. (md_apply_fix): Likewise. (ppc_handle_align): Handle power9's group ending nop. gas/testsuite/ * gas/ppc/altivec3.s: New test. * gas/ppc/altivec3.d: Likewise. * gas/ppc/vsx3.s: Likewise. * gas/ppc/vsx3.d: Likewise. * gas/ppc/power9.s: Likewise. * gas/ppc/power9.d: Likewise. * gas/ppc/ppc.exp: Run them. * gas/ppc/power8.s <lxvx, lxvd2x, stxvx, stxvd2x>: Add new tests. * gas/ppc/power8.d: Likewise. * gas/ppc/vsx.s: <lxvx, stxvx>: Rename invalid mnemonics ... <lxvd2x, stxvd2x>: ...to this. * gas/ppc/vsx.d: Likewise. gold/ * gold/powerpc.cc (Powerpc_relocate_functions::addr16_dq): New function. (Powerpc_relocate_functions::addr16dx_ha): Likewise. (Target_powerpc::Scan::local): Handle R_POWERPC_REL16DX_HA. (Target_powerpc::Scan::global): Likewise. (Target_powerpc::Relocate::relocate): Likewise. ld/testsuite/ * ld-powerpc/addpcis.d: New test. * ld-powerpc/addpcis.s: New test. * ld-powerpc/powerpc.exp: Run it. |
||
---|---|---|
.. | ||
po | ||
testsuite | ||
aarch64-reloc-property.cc | ||
aarch64-reloc-property.h | ||
aarch64-reloc.def | ||
aarch64.cc | ||
aclocal.m4 | ||
archive.cc | ||
archive.h | ||
arm-reloc-property.cc | ||
arm-reloc-property.h | ||
arm-reloc.def | ||
arm.cc | ||
attributes.cc | ||
attributes.h | ||
binary.cc | ||
binary.h | ||
ChangeLog | ||
common.cc | ||
common.h | ||
compressed_output.cc | ||
compressed_output.h | ||
config.in | ||
configure | ||
configure.ac | ||
configure.tgt | ||
copy-relocs.cc | ||
copy-relocs.h | ||
cref.cc | ||
cref.h | ||
debug.h | ||
defstd.cc | ||
defstd.h | ||
descriptors.cc | ||
descriptors.h | ||
dirsearch.cc | ||
dirsearch.h | ||
dwarf_reader.cc | ||
dwarf_reader.h | ||
dwp.cc | ||
dwp.h | ||
dynobj.cc | ||
dynobj.h | ||
ehframe.cc | ||
ehframe.h | ||
errors.cc | ||
errors.h | ||
expression.cc | ||
ffsll.c | ||
fileread.cc | ||
fileread.h | ||
freebsd.h | ||
ftruncate.c | ||
gc.cc | ||
gc.h | ||
gdb-index.cc | ||
gdb-index.h | ||
gold-threads.cc | ||
gold-threads.h | ||
gold.cc | ||
gold.h | ||
i386.cc | ||
icf.cc | ||
icf.h | ||
incremental-dump.cc | ||
incremental.cc | ||
incremental.h | ||
int_encoding.cc | ||
int_encoding.h | ||
layout.cc | ||
layout.h | ||
main.cc | ||
Makefile.am | ||
Makefile.in | ||
mapfile.cc | ||
mapfile.h | ||
merge.cc | ||
merge.h | ||
mips.cc | ||
mremap.c | ||
nacl.cc | ||
nacl.h | ||
NEWS | ||
object.cc | ||
object.h | ||
options.cc | ||
options.h | ||
output.cc | ||
output.h | ||
parameters.cc | ||
parameters.h | ||
plugin.cc | ||
plugin.h | ||
powerpc.cc | ||
pread.c | ||
README | ||
readsyms.cc | ||
readsyms.h | ||
reduced_debug_output.cc | ||
reduced_debug_output.h | ||
reloc-types.h | ||
reloc.cc | ||
reloc.h | ||
resolve.cc | ||
s390.cc | ||
script-c.h | ||
script-sections.cc | ||
script-sections.h | ||
script.cc | ||
script.h | ||
sparc.cc | ||
stringpool.cc | ||
stringpool.h | ||
symtab.cc | ||
symtab.h | ||
system.h | ||
target-reloc.h | ||
target-select.cc | ||
target-select.h | ||
target.cc | ||
target.h | ||
tilegx.cc | ||
timer.cc | ||
timer.h | ||
tls.h | ||
TODO | ||
token.h | ||
version.cc | ||
workqueue-internal.h | ||
workqueue-threads.cc | ||
workqueue.cc | ||
workqueue.h | ||
x86_64.cc | ||
yyscript.y |
gold is an ELF linker. It is intended to have complete support for
ELF and to run as fast as possible on modern systems. For normal use
it is a drop-in replacement for the older GNU linker.
gold is part of the GNU binutils. See ../binutils/README for more
general notes, including where to send bug reports.
gold was originally developed at Google, and was contributed to the
Free Software Foundation in March 2008. At Google it was designed by
Ian Lance Taylor, with major contributions by Cary Coutant, Craig
Silverstein, and Andrew Chatham.
The existing GNU linker manual is intended to be accurate
documentation for features which gold supports. gold supports most of
the features of the GNU linker for ELF targets. Notable
omissions--features of the GNU linker not currently supported in
gold--are:
* MRI compatible linker scripts
* cross-reference reports (--cref)
* various other minor options
Notes on the code
=================
These are some notes which may be helpful to people working on the
source code of gold itself.
gold is written in C++. It is a GNU program, and therefore follows
the GNU formatting standards as modified for C++. Source documents in
order of decreasing precedence:
http://www.gnu.org/prep/standards/
http://gcc.gnu.org/onlinedocs/libstdc++/manual/source_code_style.html
http://www.zembu.com/eng/procs/c++style.html
The linker is intended to have complete support for cross-compilation,
while still supporting the normal case of native linking as fast as
possible. In order to do this, many classes are actually templates
whose parameter is the ELF file class (e.g., 32 bits or 64 bits). The
C++ code is the same, but we don't pay the execution time cost of
always using 64-bit integers if the target is 32 bits. Many of these
class templates also have an endianness parameter: true for
big-endian, false for little-endian.
The linker is multi-threaded. The Task class represents a single unit
of work. Task objects are stored on a single Workqueue object. Tasks
communicate via Task_token objects. Task_token objects are only
manipulated while holding the master Workqueue lock. Relatively few
mutexes are used.
Build requirements
==================
The gold source code uses templates heavily. Building it requires a
recent version of g++. g++ 4.0.3 and 4.1.3 are known to work. g++
3.2, 3.4.3, and 4.1.2 are known to fail.
The linker script parser uses features which are only in newer
versions of bison. bison 2.3 is known to work. bison 1.26 is known
to fail. If you are building gold from an official binutils release,
the bison output should already be included.
Copyright (C) 2012-2015 Free Software Foundation, Inc.
Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved.