binutils-gdb

Commit Graph

Author	SHA1	Message	Date
Alan Modra	250d07de5c	Update year range in copyright notice of binutils files	5 years ago
Alan Modra	87c69f9732	Rename PowerPC64 pcrel GOT TLS relocations These relocations should have had REL in their names, to reflect the fact that they are pc-relative. Fix that now by adding _PCREL. I've added some back-compatibility code to support anyone using .reloc with the old relocations. include/ * elf/ppc64.h (elf_ppc64_reloc_type): Rename R_PPC64_GOT_TLSGD34 to R_PPC64_GOT_TLSGD_PCREL34, R_PPC64_GOT_TLSLD34 to R_PPC64_GOT_TLSLD_PCREL34, R_PPC64_GOT_TPREL34 to R_PPC64_GOT_TPREL_PCREL34, and R_PPC64_GOT_DTPREL34 to R_PPC64_GOT_DTPREL_PCREL34. bfd/ * reloc.c: Rename BFD_RELOC_PPC64_GOT_TLSGD34 to BFD_RELOC_PPC64_GOT_TLSGD_PCREL34, BFD_RELOC_PPC64_GOT_TLSLD34 to BFD_RELOC_PPC64_GOT_TLSLD_PCREL34, BFD_RELOC_PPC64_GOT_TPREL34 to BFD_RELOC_PPC64_GOT_TPREL_PCREL34, BFD_RELOC_PPC64_GOT_DTPREL34 to BFD_RELOC_PPC64_GOT_DTPREL_PCREL34. * elf64-ppc.c: Update throughout for reloc renaming. (ppc64_elf_reloc_name_lookup): Handle old reloc names. * libbfd.h: Regenerate. * bfd-in2.h: Regenerate. gas/ * config/tc-ppc.c: Update throughout for reloc renaming. elfcpp/ * powerpc.h: Rename R_PPC64_GOT_TLSGD34 to R_PPC64_GOT_TLSGD_PCREL34, R_PPC64_GOT_TLSLD34 to R_PPC64_GOT_TLSLD_PCREL34, R_PPC64_GOT_TPREL34 to R_PPC64_GOT_TPREL_PCREL34, and R_PPC64_GOT_DTPREL34 to R_PPC64_GOT_DTPREL_PCREL34. gold/ * powerpc.cc: Update throughout for reloc renaming.	6 years ago
Alan Modra	b3adc24a07	Update year range in copyright notice of binutils files	6 years ago
Alan Modra	89c52ae3a2	[GOLD] PowerPC64 pc-relative TLS support Gold version of git commit `c213164ad2`. elfcpp/ * powerpc.h (R_PPC64_TPREL34, R_PPC64_DTPREL34), (R_PPC64_GOT_TLSGD34, R_PPC64_GOT_TLSLD34), (R_PPC64_GOT_TPREL34, R_PPC64_GOT_DTPREL34): Define. gold/ * powerpc.cc (Target_powerpc::Scan::get_reference_flags): Set flags for new relocations, and some missing older relocs. (Target_powerpc::Scan::local): Handle new pcrel tls relocs. Call set_has_static_tls for tprel relocs. (Target_powerpc::Scan::global): Likewise. (Target_powerpc::Relocate::relocate): Handle new pcrel tls relocs.	7 years ago
Alan Modra	e4dff7651b	[GOLD] PowerPC relocations for prefix insns Also use pc-relative instructions for notoc stubs. elfcpp/ * powerpc.h (R_PPC64_PCREL_OPT, R_PPC64_D34, R_PPC64_D34_LO), (R_PPC64_D34_HI30, R_PPC64_D34_HA30, R_PPC64_PCREL34), (R_PPC64_GOT_PCREL34, R_PPC64_PLT_PCREL34, R_PPC64_PLT_PCREL34_NOTOC), (R_PPC64_ADDR16_HIGHER34, R_PPC64_ADDR16_HIGHERA34), (R_PPC64_ADDR16_HIGHEST34, R_PPC64_ADDR16_HIGHESTA34), (R_PPC64_REL16_HIGHER34, R_PPC64_REL16_HIGHERA34), (R_PPC64_REL16_HIGHEST34, R_PPC64_REL16_HIGHESTA34), (R_PPC64_D28, R_PPC64_PCREL28): Define. gold/ * powerpc.cc (Target_powerpc): Add powerxx_stubs_ and accessor functions. (Target_powerpc::maybe_skip_tls_get_addr_call): Handle PLT_PCREL34 and PLT_PCREL34_NOTOC relocs. (Powerpc_relocate_functions): Add addr34, addr34_hi, addr34_ha, addr28, addr16_higher34, addr16_highera34, addr16_highest34, addr16_highest34a functions. (li_11_0, ori_11_11_0, sldi_11_11_34): Define. (paddi_12_pc, pld_12_pc, pnop): Define. (d34, ha34): New inline functions. (Stub_table::add_plt_call_entry): Handle powerxx_stubs. (Stub_table::add_eh_frame): Likewise. (build_powerxx_offset): New function. (Stub_table::plt_call_size): Handle powerxx_stubs. (Stub_table::branch_stub_size): Likewise. (Stub_table::do_write): Likewise. (Target_powerpc::Scan::get_reference_flags): Handle new relocs. (Target_powerpc::Scan::reloc_needs_plt_for_ifunc: Likewise. (Target_powerpc::Scan::local, global, relocate): Likewise.	7 years ago
Alan Modra	32f5984419	[GOLD] PowerPC64 ELFv2 notoc support Calls from notoc functions via the PLT need different stubs. Even calls to local functions requiring a valid toc pointer must go via a stub. This patch provides the support in gold. elfcpp/ * powerpc.h (R_PPC64_PLTSEQ_NOTOC, R_PPC64_PLTCALL_NOTOC): Define. gold/ * powerpc.cc (Target_powerpc::maybe_skip_tls_get_addr_call): Handle notoc calls. (is_branch_reloc): Template on size. Return true for REL24_NOTOC. Update all callers. (max_branch_delta): Likewise. (Target_powerpc::Branch_info::make_stub): Add a stub for notoc calls to functions needing a valid toc pointer. (Target_powerpc::do_relax): Layout stubs again if any need resize. (add_12_11_12, addi_12_11, addis_12_11, ldx_12_11_12, ori_12_12_0), (oris_12_12_0, sldi_12_12_32): Define. (Stub_table::Plt_stub_ent): Add notoc_ and iter_ fields. (Stub_table::Branch_stub_key, Branch_stub_key_hash): Rename from Branch_stub_ent and Branch_stub_ent hash. Remove save_res_ from key. (Stub_table::Branch_stub_ent): New struct. (class Stub_table): Add need_resize and resizing vars. (Stub_table::need_resize, branch_size): New accessors. (Stub_table::set_resizing): New function. (Stub_table::add_plt_call_entry): Handle notoc calls and resizing on seeing such or a tocsave stubs after a normal stub using the same sym. (Stub_table::add_long_branch_entry): Similarly. (Stub_table::find_long_branch_entry): Return a Branch_stub_ent*. (Stub_table::define_stub_syms): Adjust (Stub_table::build_tls_opt_head, build_tls_opt_tail): New functions. (build_notoc_offset): New function. (Stub_table::plt_call_size): Move out of line. Handle notoc calls. (Stub_table::branch_stub_size): Similarly. (Stub_table::do_write): Separate loop for ELFv2 stubs, handling notoc calls. Simplify ELFv1 loop. Output notoc branch stubs. Use build_tls_opt_head and build_tls_opt_tail. (Target_powerpc::Scan::get_reference_flags): Handle REL24_NOTOC. (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Likewise, and PLTSEQ_NOTOC and PLTCALL_NOTOC. (Target_powerpc::Scan::local, global, relocate): Likewise.	7 years ago
Alan Modra	c432bbbaaa	[GOLD] R_PPC64_REL16_HIGH relocs These relocs have been around for quite a while. It's past time gold supported them. elfcpp/ * powerpc.h (R_PPC64_REL16_HIGH, R_PPC64_REL16_HIGHA), (R_PPC64_REL16_HIGHER, R_PPC64_REL16_HIGHERA), (R_PPC64_REL16_HIGHEST, R_PPC64_REL16_HIGHESTA): Define. gold/ * powerpc.cc (Target_powerpc::Scan::get_reference_flags): Handle REL16_HIGH* relocs. (Target_powerpc::Scan::local): Likewise. (Target_powerpc::Scan::global): Likewise. (Target_powerpc::Relocate::relocate): Likewise.	7 years ago
Alan Modra	827041555a	Update year range in copyright notice of binutils files	7 years ago
Alan Modra	724436fccb	[GOLD] PowerPC .gnu.attributes support elfcpp/ * powerpc.h (Tag_GNU_Power_ABI_FP): Define. (Tag_GNU_Power_ABI_Vector, Tag_GNU_Power_ABI_Struct_Return): Define. gold/ * powerpc.cc: Include attributes.h. (Powerpc_relobj::attributes_section_data_): New variable, with accessor and associated constructor and destructor support. (Powerpc_dynobj::attributes_section_data_): Likewise. (Powerpc_relobj::do_read_symbols): Stash SHT_GNU_ATTRIBUTES section contents in attributes_section_data_. (Powerpc_dynobj::do_read_symbols): Likewise. (Target_powerpc): Add attributes_section_data_, last_fp_, last_ld_, last_vec_, and last_struct_ vars. (Target_powerpc::merge_object_attributes): New function. (Target_powerpc::do_finalize_sections): Iterate over input objects merging attributes. Create output attributes section.	8 years ago
Alan Modra	23cedd1dc9	PowerPC inline PLT call support In addition to the existing relocs we need two more to mark all instructions in the call sequence, PLTCALL on the call itself (plus the toc restore insn for ppc64), and PLTSEQ on others. All relocations in a particular sequence have the same symbol. Example ppc64 ELFv2 assembly: .reloc .,R_PPC64_PLTSEQ,puts std 2,24(1) addis 12,2,puts@plt@ha # .reloc .,R_PPC64_PLT16_HA,puts ld 12,puts@plt@l(12) # .reloc .,R_PPC64_PLT16_LO_DS,puts .reloc .,R_PPC64_PLTSEQ,puts mtctr 12 .reloc .,R_PPC64_PLTCALL,puts bctrl ld 2,24(1) Example ppc32 -fPIC assembly: addis 12,30,puts+32768@plt@ha # .reloc .,R_PPC_PLT16_HA,puts+0x8000 lwz 12,12,puts+32768@plt@l # .reloc .,R_PPC_PLT16_LO,puts+0x8000 .reloc .,R_PPC_PLTSEQ,puts+32768 mtctr 12 .reloc .,R_PPC_PLTCALL,puts+32768 bctrl Marking sequences like this allows the linker to convert them to nops and a direct call if the target symbol turns out to be local. When the call is __tls_get_addr, each relocation shown above is paired with an R_PPC_TLSLD or R_PPC_TLSGD reloc to additionally mark the sequence for possible TLS optimization. The TLSLD or TLSGD relocs are emitted first. include/ * elf/ppc.h (R_PPC_PLTSEQ, R_PPC_PLTCALL): Define. * elf/ppc64.h (R_PPC64_PLTSEQ, R_PPC64_PLTCALL): Define. bfd/ * elf32-ppc.c (ppc_elf_howto_raw): Add PLTSEQ and PLTCALL howtos. (is_plt_seq_reloc): New function. (ppc_elf_check_relocs): Handle PLTSEQ and PLTCALL relocs. (ppc_elf_tls_optimize): Handle inline plt call sequence. (ppc_elf_relax_section): Handle PLTCALL reloc. (ppc_elf_relocate_section): Nop out inline plt call sequence when resolving locally. * elf64-ppc.c (ppc64_elf_howto_raw): Add R_PPC64_PLTSEQ and R_PPC64_PLTCALL entries. Comment R_PPC64_TOCSAVE. (has_tls_get_addr_call): Correct comment. (is_branch_reloc): Add PLTCALL. (is_plt_seq_reloc): New function. (ppc64_elf_check_relocs): Handle PLT16_LO_DS reloc. Set has_tls_reloc for R_PPC64_TLSGD and R_PPC64_TLSLD. Create plt entry for R_PPC64_PLTCALL. (ppc64_elf_tls_optimize): Handle inline plt call sequence. (ppc_type_of_stub): Handle PLTCALL reloc. (toc_adjusting_stub_needed): Likewise. (ppc64_elf_relocate_section): Set "can_plt_call" for PLTCALL reloc insn. Nop out inline plt call sequence when resolving locally. Handle __tls_get_addr inline plt call optimization. elfcpp/ * powerpc.h (R_POWERPC_PLTSEQ, R_POWERPC_PLTCALL): Define. gold/ * powerpc.cc (Target_powerpc::Track_tls::maybe_skip_tls_get_addr_call): Handle inline plt sequence relocs. (Stub_table::Plt_stub_key::Plt_stub_key): Likewise. (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Likewise. (Target_powerpc::Relocate::relocate): Likewise.	8 years ago
Alan Modra	219d1afa89	Update year range in copyright notice of binutils files	8 years ago
Alan Modra	34e0882b83	[GOLD] PowerPC tls_get_addr_optimize This implements the special __tls_get_addr_opt call stub for powerpc gold that returns __thread variable addresses without actually making a call to __tls_get_addr in most cases. Shared libraries that are loaded at program load time (ie. dlopen is not used) have a known layout for their __thread variables, and thus DTPMOD64/DPTREL64 pairs describing those variables can be set up by ld.so for the __tls_get_addr_opt call stub fast exit. Ref https://sourceware.org/ml/libc-alpha/2015-03/msg00626.html I really, really wish I'd used a differently versioned __tls_get_addr symbol than the base symbol to indicate glibc support for the optimized call, rather than having glibc export __tls_get_addr_opt. A lot of the messing around here, flipping symbols from __tls_get_addr to __tls_get_addr_opt, is caused by that decision. About the only benefit is that a user can see at a glance that their disassembled code is calling __tls_get_addr via the fancy call stub.. Anyway, we need references to __tls_get_addr to seem like they were to __tls_get_addr_opt, and in cases like the tsan interceptor, a definition of __tls_get_addr to seem like one of __tls_get_addr_opt as well. That's the reason for Symbol::clear_in_reg and Symbol_table::clone, and why symbols are substituted in Scan::global and other places dealing with dynamic linking. elfcpp/ * elfcpp.h (DT_PPC_OPT): Define. * powerpc.h (PPC_OPT_TLS): Define. gold/ * options.h (tls_get_addr_optimize): New option. * symtab.h (Symbol::clear_in_reg, clone): New functions. (Sized_symbol::clone): New function. (Symbol_table::clone): New function. * resolve.cc (Symbol::clone, Sized_symbol::clone): New functions. * powerpc.cc (Target_powerpc::has_tls_get_addr_opt_, tls_get_addr_, tls_get_addr_opt_): New vars. (Target_powerpc::tls_get_addr_opt, tls_get_addr, is_tls_get_addr_opt, replace_tls_get_addr, set_has_tls_get_addr_opt, stk_linker): New functions. (Target_powerpc::Track_tls::maybe_skip_tls_get_addr_call): Add target param. Update callers. Compare symbols rather than names. (Target_powerpc::do_define_standard_symbols): Init tls_get_addr_ and tls_get_addr_opt_. (Target_powerpc::Branch_info::mark_pltcall): Translate tls_get_addr sym to tls_get_addr_opt. (Target_powerpc::Branch_info::make_stub): Likewise. (Stub_table::define_stub_syms): Likewise. (Target_powerpc::Scan::global): Likewise. (Target_powerpc::Relocate::relocate): Likewise. (add_3_12_2, add_3_12_13, bctrl, beqlr, cmpdi_11_0, cmpwi_11_0, ld_11_1, ld_11_3, ld_12_3, lwz_11_3, lwz_12_3, mr_0_3, mr_3_0, mtlr_11, std_11_1): New constants. (Stub_table::eh_frame_added_): Delete. (Stub_table::tls_get_addr_opt_bctrl_, plt_fde_len_, plt_fde_): New vars. (Stub_table::init_plt_fde): New functions. (Stub_table::add_eh_frame, replace_eh_frame): Move definition out of line. Init and use plt_fde_. (Stub_table::plt_call_size): Return size for tls_get_addr stub. Extract alignment code to.. (Stub_table::plt_call_align): ..this new function. Adjust all callers. (Stub_table::add_plt_call_entry): Set has_tls_get_addr_opt and tls_get_addr_opt_bctrl, and align after that. (Stub_table::do_write): Write out tls_get_addr stub. (Target_powerpc::do_finalize_sections): Emit DT_PPC_OPT PPC_OPT_TLS/PPC64_OPT_TLS bit. (Target_powerpc::Relocate::relocate): Don't check for or modify nop following bl for tls_get_addr stub.	9 years ago
Alan Modra	7ee7ff7015	[GOLD] PowerPC64 localentry:0 plt call optimization elfcpp/ * elfcpp.h (DT_PPC64_OPT): Define. * powerpc.h (PPC64_OPT_TLS, PPC64_OPT_MULTI_TOC, PPC64_OPT_LOCALENTRY): Define. gold/ * options.h (General_options): Add plt_localentry. * powerpc.cc (Target_powerpc::st_other): New function. (Target_powerpc::plt_localentry0_, plt_localentry0_init_, has_localentry0_): New vars. (Target_powerpc::plt_localentry0, set_has_localentry0, is_elfv2_localentry0): New functions. (Target_powerpc::Branch_info::mark_pltcall): Don't set tocsave or return true for localentry:0 calls. (Stub_table::Plt_stub_ent::localentry0_): New var. (Stub_table::add_plt_call_entry): Set localentry0_ and has_localentry0_. Don't set r2save_ for localentry:0 calls. (Output_data_glink::do_write): Save r2 in __glink_PLTresolve for elfv2. (Target_powerpc::scan_relocs): Default plt_localentry0_. (Target_powerpc::do_finalize_sections): Set DT_PPC64_OPT. (Target_powerpc::Relocate::relocate): Don't require nop following calls for localentry:0 plt calls, and don't change nop.	9 years ago
Alan Modra	2571583aed	Update year range in copyright notice of all files.	9 years ago
Alan Modra	6f2750feaf	Copyright update for binutils	10 years ago
Alan Modra	549dba7104	[GOLD] R_PPC64_ENTRY support elfcpp/ * powerpc.h (R_PPC64_ENTRY): Define. gold/ * powerpc.cc (add_2_2_12, ld_2_12, lis_2): Define. (Target_powerpc::Scan::local, global): Handle R_PPC64_ENTRY. (Target_powerpc::Relocate::relocate): Edit code at R_PPC64_ENTRY.	10 years ago
Peter Bergner	a680de9a98	Add assembler, disassembler and linker support for power9. 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.	11 years ago
Alan Modra	b90efa5b79	ChangeLog rotatation and copyright year update	11 years ago
Alan Modra	4b95cf5c0c	Update copyright years	12 years ago
Alan Modra	45965137be	Support R_PPC64_ADDR64_LOCAL This adds support for "func@localentry", an expression that returns the ELFv2 local entry point address of function "func". I've excluded dynamic relocation support because that obviously would require glibc changes. include/elf/ * ppc64.h (R_PPC64_REL24_NOTOC, R_PPC64_ADDR64_LOCAL): Define. bfd/ * elf64-ppc.c (ppc64_elf_howto_raw): Add R_PPC64_ADDR64_LOCAL entry. (ppc64_elf_reloc_type_lookup): Support R_PPC64_ADDR64_LOCAL. (ppc64_elf_check_relocs): Likewise. (ppc64_elf_relocate_section): Likewise. * Add BFD_RELOC_PPC64_ADDR64_LOCAL. * bfd-in2.h: Regenerate. * libbfd.h: Regenerate. gas/ * config/tc-ppc.c (ppc_elf_suffix): Support @localentry. (md_apply_fix): Support R_PPC64_ADDR64_LOCAL. ld/testsuite/ * ld-powerpc/elfv2-2a.s, ld-powerpc/elfv2-2b.s: New files. * ld-powerpc/elfv2-2exe.d, ld-powerpc/elfv2-2so.d: New files. * ld-powerpc/powerpc.exp: Run new test. elfcpp/ * powerpc.h (R_PPC64_REL24_NOTOC, R_PPC64_ADDR64_LOCAL): Define. gold/ * powerpc.cc (Target_powerpc::Scan::local, global): Support R_PPC64_ADDR64_LOCAL. (Target_powerpc::Relocate::relocate): Likewise.	12 years ago
Alan Modra	b4f7960d53	PowerPC64 ELFv2 support for gold. elfcpp/ * powerpc.h (EF_PPC64_ABI): New enum constant. (STO_PPC64_LOCAL_BIT, STO_PPC64_LOCAL_MASK): Likewise. (ppc64_decode_local_entry): New function. (ppc64_encode_local_entry): Likewise. gold/ * powerpc.cc (Powerpc_relobj::abiversion, set_abiversion, ppc64_local_entry_offset, ppc64_local_entry_offset, do_read_symbols): New functions. (Powerpc_relobj::e_flags_, st_other_): New vars. (Powerpc_relobj::Powerpc_relobj): Call set_abiversion. (Powerpc_dynobj::abiversion, set_abiversion): New functions. (Powerpc_relobj::e_flags_): New var. (Target_powerpc::first_plt_entry_offset, plt_entry_size): Inline and adjust for ELFv2. (Target_powerpc::abiversion, set_abiversion, stk_toc): New functions. (Powerpc_relobj::do_find_special_sections): Check no .opd in ELFv2. (Powerpc_dynobj::do_find_special_sections): Likewise. (Target_powerpc::do_define_standard_symbols): Define ".TOC.". (Target_powerpc::Branch_info::make_stub): Adjust stub destination to ELFv2 local entry. (Target_powerpc::do_relax): No thread safe barriers needed for ELFv2. (Output_data_plt_powerpc::initial_plt_entry_size_, plt_entry_size): Delete. Replace all uses with first_plt_entry_offset() and plt_entry_size(). (Output_data_plt_powerpc::Output_data_plt_powerpc): Remove reserved_size parm. Update callers. (Output_data_plt_powerpc::entry_count): Update. (Output_data_plt_powerpc::first_plt_entry_offset): Make private and use Target_powerpc::first_plt_entry_offset(). (Output_data_plt_powerpc::get_plt_entry_size): Similarly and rename to plt_entry_size. (Output_data_plt_powerpc::add_ifunc_entry, add_local_ifunc_entry): Adjust reloc for ELFv2. (glink_eh_frame_fde_64): Rename to glink_eh_frame_fde_64v1. (glink_eh_frame_fde_64v2): New. (Stub_table::plt_call_size): Support ELFv2 sizing. (Output_data_glink::add_eh_frame): Use the new FDE. (Output_data_glink::set_final_data_size): Adjust for ELFv2 glink. (Stub_table::do_write): Write ELFv2 stubs and glink. (Target_powerpc::Relocate::relocate): Replaces nop after call with ld 2,24(1) and adjust local offset destination for ELFv2.	13 years ago
Alan Modra	f9c6b9078c	Report overflow on PowerPC64 @h and @ha relocations. This changes the behaviour of @h and @ha on PowerPC64 to report errors on 32-bit overflow. The motivation for this change is that on PowerPC64, most uses of @h and @ha modifiers and their corresponding relocations are to build up 32-bit offsets. We'd like to know when such offsets overflow. Only rarely do people use @h or @ha with the high 32-bit modifiers to build a 64-bit constant. Those uses will now need to use two new modifiers, @high and @higha, if the constant isn't known at assembly time. For now, we won't report overflow at assembly time.. This also fixes an error when applying some of the HIGHER and HIGHEST relocations. include/elf/ * ppc64.h (R_PPC64_ADDR16_HIGH, R_PPC64_ADDR16_HIGHA, R_PPC64_TPREL16_HIGH, R_PPC64_TPREL16_HIGHA, R_PPC64_DTPREL16_HIGH, R_PPC64_DTPREL16_HIGHA): New. (IS_PPC64_TLS_RELOC): Match new tls relocs. bfd/ * reloc.c (BFD_RELOC_PPC64_ADDR16_HIGH, BFD_RELOC_PPC64_ADDR16_HIGHA, BFD_RELOC_PPC64_TPREL16_HIGH, BFD_RELOC_PPC64_TPREL16_HIGHA, BFD_RELOC_PPC64_DTPREL16_HIGH, BFD_RELOC_PPC64_DTPREL16_HIGHA): New. * elf64-ppc.c (ppc64_elf_howto_raw): Add entries for new relocs. Make all _HA and _HI relocs report signed overflow. (ppc64_elf_reloc_type_lookup): Handle new relocs. (must_be_dyn_reloc, ppc64_elf_check_relocs): Likewise. (dec_dynrel_count, ppc64_elf_relocate_section): Likewise. (ppc64_elf_relocate_section): Don't apply 0x8000 adjust to R_PPC64_TPREL16_HIGHER, R_PPC64_TPREL16_HIGHEST, R_PPC64_DTPREL16_HIGHER, and R_PPC64_DTPREL16_HIGHEST. * libbfd.h: Regenerate. * bfd-in2.h: Regenerate. gas/ * config/tc-ppc.c (SEX16): Don't mask. (REPORT_OVERFLOW_HI): Define as zero. (ppc_elf_suffix): Support @high, @higha, @dtprel@high, @dtprel@higha, @tprel@high, and @tprel@higha modifiers. (md_assemble): Ignore X_unsigned when applying 16-bit insn fields. Add (disabled) code to check @h and @ha reloc overflow for powerpc64. Handle new relocs. (md_apply_fix): Similarly. elfcpp/ * powerpc.h (R_PPC64_ADDR16_HIGH, R_PPC64_ADDR16_HIGHA, R_PPC64_TPREL16_HIGH, R_PPC64_TPREL16_HIGHA, R_PPC64_DTPREL16_HIGH, R_PPC64_DTPREL16_HIGHA): Define. gold/ * powerpc.cc (Target_powerpc::Scan::check_non_pic): Handle new relocs. (Target_powerpc::Scan::global, local): Likewise. (Target_powerpc::Relocate::relocate): Likewise. Check for overflow on all ppc64 @h and @ha relocs.	13 years ago
Alan Modra	6ce7895693	elfcpp/ * powerpc.h: Add more relocs. (R_PPC_REL16): Rename to R_POWERPC_REL16. gold/ * powerpc.cc: Update for renamed R_PPC_REL16 relocs. (Output_data_got_powerpc::do_write): Don't rely on base class lookup for replace_constant call. (Output_data_plt_powerpc::do_print_to_mapfile): New function. (Output_data_glink::do_print_to_mapfile): New function. (Target_powerpc::Scan::local): Ignore R_PPC64_TOCSAVE. (Target_powerpc::Relocate::relocate): Likewise.	14 years ago
Ian Lance Taylor	6e5710cea9	elfcpp:/ * i386.h (R_386_IRELATIVE): Define. * powerpc.h (R_POWERPC_IRELATIVE): Define. (R_PPC_RELAX32, R_PPC_RELAX32PC): Don't define. (R_PPC_RELAX32_PLT, R_PPC_RELAX32PC_PLT): Don't define. * sparc.h (R_SPARC_IRELATIVE): Define. * x86_64.h (R_X86_64_IRELATIVE): Define. (R_X86_64_GNU_VTINHERIT): Rename from R_386_GNU_VTINHERIT. (R_X86_64_GNU_VTENTRY): Rename from R_386_GNU_VTENTRY. gold:/ * x86_64.cc (Target_x86_64::Scan::local): Use R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY. (Target_x86_64::Scan::global): Likewise. (Target_x86_64::Relocate::relocate): Likewise. (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc): Likewise.	16 years ago
David Edelsohn	8da8e50a53	2008-06-12 David S. Miller <davem@davemloft.net> * powerpc.h: New file. * elfcpp.h (SHT_ORDERED): New enum constant. (DT_PPC_GOT, DT_PPC64_GLINK, DT_PPC64_OPD, DT_PPC64_OPDSZ): Same.	18 years ago

25 Commits (a56889ae38d650fb77f0790f4157ff90e11fd2d4)