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2015-09-29Adjust the output section size to skip gap fillsH.J. Lu1-0/+7
In objcopy, copy_object calls copy_section to copy contents of input section to output section. When --gap-fill= is used, objcopy extends the size of output sectios to fill gaps between output sections with gap fills. In this case, we adjust the output section size to skip gap files to avoid reading beypond the input section buffer before calling copy_section and restore the output section size after input sections have been copied. binutils/ PR binutils/19005 * objcopy.c (copy_object): Adjust the output section size to skip gap fills between sections when copying from input sections to output sections. ld/testsuite/ PR binutils/19005 * ld-elf/pr19005.d: New file. * ld-elf/pr19005.s: Likewise. * ld-elf/pr19005.t: Likewise.
2015-09-25Correct the generation of OR1K pc-relative relocations.Peter Zotov1-0/+5
gas PR ld/18759 * config/tc-or1k.c (tc_gen_reloc): Correct computation of PC relative relocs. * config/tc-or1k.h (GAS_CGEN_PRCEL_R_TYPE): Delete. bfd * elf32-or1k.c (R_OR1K_32_PCREL): Set pcrel_offset to TRUE. (R_OR1K_16_PCREL): Likewise. (R_OR1K_8_PCREL): Likewise. ld/tests * ld-elf/eh-frame-hdr: Expect to pass on the or1k-linux target.
2015-09-22Update MIPS PIE tests for DF_1_PIE changeH.J. Lu1-0/+6
Since linker now sets the DF_1_PIE bit in the DT_FLAGS_1 tag for PIE, we need to update MIPS PIE tests for it. * ld-mips-elf/pie-n32.d: Updated. * ld-mips-elf/pie-n64.d: Likewise. * ld-mips-elf/pie-o32.d: Likewise.
2015-09-22Set DF_1_PIE in gld${EMULATION_NAME}_after_parseH.J. Lu1-0/+4
We can't add OPTION_PIE to gld${EMULATION_NAME}_handle_option since it has been handled in parse_args in lexsup.c. This patch moves setting DF_1_PIE to gld${EMULATION_NAME}_after_parse. ld/ * emultempl/alphaelf.em (alpha_after_parse): Call gld${EMULATION_NAME}_after_parse instead of after_parse_default. * emultempl/cr16elf.em (cr16elf_after_parse): Likewise. * emultempl/crxelf.em (crxelf_after_parse); Likewise. * emultempl/hppaelf.em (hppaelf_after_parse): Likewise. * emultempl/mipself.em (mips_after_parse): Likewise. * emultempl/nds32elf.em (nds32_elf_after_parse): Likewise. * emultempl/elf32.em: Don't include ldlex.h. (gld${EMULATION_NAME}_after_parse): New function. (gld${EMULATION_NAME}_handle_option) [GENERATE_PIE_SCRIPT] <OPTION_PIE>: Removed. (ld_${EMULATION_NAME}_emulation): Replace after_parse_default with gld${EMULATION_NAME}_after_parse. * emultempl/ia64elf.em (gld${EMULATION_NAME}_after_parse): Renamed to ... (ia64elf_after_parse): This. Call gld${EMULATION_NAME}_after_parse instead of after_parse_default. (LDEMUL_AFTER_PARSE): Replace gld${EMULATION_NAME}_after_parse with ia64elf_after_parse. ld/testsuite/ * ld-elf/pie.d: New test.
2015-09-18Delay converting linker script defined symbols from absoluteAlan Modra1-0/+13
Giving linker script symbols defined outside of output sections a section-relative value early, leads to them being used in expressions as if they were defined inside an output section. This can mean loss of the section VMA, and wrong results. ld/ PR ld/18963 * ldexp.h (struct ldexp_control): Add rel_from_abs. (ldexp_finalize_syms): Declare. * ldexp.c (new_rel_from_abs): Keep absolute for expressions outside of output section statements. Set rel_from_abs. (make_abs, exp_fold_tree, exp_fold_tree_no_dot): Clear rel_from_abs. (struct definedness_hash_entry): Add final_sec, and comment. (update_definedness): Set final_sec. (set_sym_sections, ldexp_finalize_syms): New functions. * ldlang.c (lang_process): Call ldexp_finalize_syms. ld/testsuite PR ld/18963 * ld-scripts/pr18963.d, * ld-scripts/pr18963.t: New test. * ld-scripts/expr.exp: Run it. * ld-elf/provide-hidden-2.ld: Explicitly make "dot" absolute. * ld-mips-elf/gp-hidden.sd: Don't care about _gp section. * ld-mips-elf/no-shared-1-n32.d: Don't care about symbol shown at start of .data section. * ld-mips-elf/no-shared-1-n64.d: Likewise. * ld-mips-elf/no-shared-1-o32.d: Likewise.
2015-09-11Add "ld -r" tests for PR ld/15323H.J. Lu1-0/+6
Weak defined function is turned into non-weak defined function by "ld -r -flto" with GCC 5 due to a GCC 5 regression: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67548 Add "ld -r" tests for PR ld/15323 to make sure that any linker change won't introduce linker regression for PR ld/15323. * ld-plugin/lto.exp (lto_link_tests): Add a "ld -r" test for PR ld/15323. (lto_run_tests): Add a "ld -r" test for PR ld/15323.
2015-09-09[AArch64] Relax TLS local dynamic traditional into local executableJiong Wang1-0/+8
The linker relaxation logic will be: Code sequence I (tiny): 0x00 adr x0, :tlsldm:x 0x04 bl __tls_get_addr | V 0x00 mrs x0, tpidr_el0 0x04 add x0, x0, TCB_SIZE Code sequence II (small): 0x00 adrp a0, :tlsldm:x 0x04 add a0, #:tlsldm_lo12:x 0x08 bl __tls_get_addr | V 0x00 mrs x0, tpidr_el0 0x04 add x0, x0, TCB_SIZE 0x08 nop 2015-09-09 Jiong Wang <jiong.wang@arm.com> bfd/ * elfnn-aarch64.c (aarch64_tls_transition_without_check): Support three TLS local dynamic traditional relocations types. (elfNN_aarch64_tls_relax): Support TLS local dynamic traditional to local executable relaxation. ld/testsuite/ * ld-aarch64/tls-relax-ld-le-tiny.s: New testcase. * ld-aarch64/tls-relax-ld-le-small.s: Likewise. * ld-aarch64/tls-relax-ld-le-tiny.d: New expectation file. * ld-aarch64/tls-relax-ld-le-small.d: Likewise. * ld-aarch64/aarch64-elf.exp: Run new testcases.
2015-09-07ld: Fix failures in new orphan handling tests.Andrew Burgess1-0/+7
The new orphan handling tests added in commit c005eb9 fail on a range of targets. Some of the failures were fixed in commit e32aa93 but not all. This commit should address the remaining failures. Update results to account for orphan sections being placed in different orders, and for other, target specific sections, being discarded. ld/testsuite/ChangeLog: * ld-elf/orphan-7.map: Allow for other discarded sections. * ld-elf/orphan-8.map: Updated to allow for different section ordering on different targets. * ld-elf/orphan.ld: Place .sbss section.
2015-09-05Update ld-elf/orphan-8.map to support 32-bit targetsH.J. Lu1-0/+4
* ld-elf/orphan-8.map: Updated to support 32-bit targets.
2015-09-04ld: Extend options for altering orphan handling behaviour.Andrew Burgess1-0/+12
Replace the options --warn-orphan and --no-warn-orphan with a single option --orphan-handling=MODE, where mode can be place, warn, error, and discard. Mode 'place' is the default, and is the current behaviour, placing the orphan section into a suitable output section. Mode 'warn' is the same as '--warn-orphan'. The orphan is also placed using the same algorithm as for 'place'. Mode 'error' is the same as '--warn-orphan' and '--fatal-warnings'. Mode 'discard' assigns all output sections to the /DISCARD/ section. ld/ChangeLog: * ld.h (enum orphan_handling_enum): New. (ld_config_type): Remove warn_orphan, add orphan_handling. * ldemul.c (ldemul_place_orphan): Remove warning about orphan sections. * ldlang.c (ldlang_place_orphan): New function. (lang_place_orphans): Call ldlang_place_orphan. * ldlex.h (enum option_values): Remove OPTION_WARN_ORPHAN and OPTION_NO_WARN_ORPHAN, add OPTION_ORPHAN_HANDLING. * lexsup.c (ld_options): Remove 'warn-orphan' and 'no-warn-orphan', add 'orphan-handling'. (parse_args): Remove handling for OPTION_WARN_ORPHAN and OPTION_NO_WARN_ORPHAN, add handling for OPTION_ORPHAN_HANDLING. * NEWS: Replace text about --warn-orphan with --orphan-handling. * ld.texinfo (Options): Remove --warn-orphan entry and add entry on --orphan-handling. (Orphan Sections): Add reference to relevant command line options. ld/testsuite/ChangeLog: * ld-elf/elf.exp: Switch to rely on run_dump_test. * ld-elf/orphan-5.l: Update expected output. * ld-elf/orphan-5.d: New file. * ld-elf/orphan-6.d: New file. * ld-elf/orphan-6.l: New file. * ld-elf/orphan-7.d: New file. * ld-elf/orphan-7.map: New file. * ld-elf/orphan-8.d: New file. * ld-elf/orphan-8.map: New file.
2015-09-03Add ifunc tests for call, jmp, add, testH.J. Lu1-1/+12
* ld-ifunc/ifunc-21-i386.s: Add tests for call, jmp, add, test. * ld-ifunc/ifunc-21-x86-64.s: Likewise. * ld-ifunc/ifunc-22-i386.s: Likewise. * ld-ifunc/ifunc-22-x86-64.s: Likewise. * ld-ifunc/ifunc-21-i386.d: Updated. * ld-ifunc/ifunc-21-x86-64.d: Likewise. * ld-ifunc/ifunc-22-i386.d: Likewise. * ld-ifunc/ifunc-22-x86-64.d: Likewise.
2015-09-02Add 2 ifunc tests for i386 and x86-64H.J. Lu1-0/+11
* ld-ifunc/ifunc-21-i386.d: Likewise. * ld-ifunc/ifunc-21-i386.s: Likewise. * ld-ifunc/ifunc-21-x86-64.d: Likewise. * ld-ifunc/ifunc-21-x86-64.s: Likewise. * ld-ifunc/ifunc-22-i386.d: Likewise. * ld-ifunc/ifunc-22-i386.s: Likewise. * ld-ifunc/ifunc-22-x86-64.d: Likewise. * ld-ifunc/ifunc-22-x86-64.s: Likewise.
2015-09-01Skip PLT for function pointer initializationH.J. Lu1-0/+20
We use its PLT entry to initialize function pointer at run-time. If there is no other usage for the PLT entry, we can generate run-time function pointer relocations in read-write section, which can be resolved by dynamic linker, to initialize function pointers. It avoids the extra indirect branch overhead in PLT. bfd/ PR ld/18900 * elf32-i386.c (elf_i386_link_hash_entry): Add func_pointer_refcount. (elf_i386_link_hash_newfunc): Clear func_pointer_refcount. (elf_i386_get_local_sym_hash): Likewise. (elf_i386_copy_indirect_symbol): Also copy func_pointer_refcount. (elf_i386_check_relocs): Increment func_pointer_refcount. (elf_i386_gc_sweep_hook): Decrement func_pointer_refcount. (elf_i386_allocate_dynrelocs): Don't create the PLT entry if there are only function pointer relocations which can be resolved at run-time. Keep dynanamic relocations for run-time function pointer initialization. (elf_i386_relocate_section): Copy dynamic function pointer relocations. * elf64-x86-64.c (elf_x86_64_link_hash_entry): Add func_pointer_refcount. (elf_x86_64_link_hash_newfunc): Clear func_pointer_refcount. (elf_x86_64_get_local_sym_hash): Likewise. (elf_x86_64_copy_indirect_symbol): Also copy func_pointer_refcount. (elf_x86_64_check_relocs): Increment func_pointer_refcount. (elf_x86_64_gc_sweep_hook): Decrement func_pointer_refcount. (elf_x86_64_allocate_dynrelocs): Don't create the PLT entry if there are only function pointer relocations which can be resolved at run-time. Keep dynanamic relocations for run-time function pointer initialization. (elf_x86_64_relocate_section): Copy dynamic function pointer relocations. ld/testsuite/ PR ld/18900 * ld-i386/i386.exp: Run tests for PR ld/18900. * ld-x86-64/x86-64.exp: Likewise. * ld-i386/pr18900.out: New file. * ld-i386/pr18900a.c: Likewise. * ld-i386/pr18900a.c: Likewise. * ld-i386/pr18900a.rd: Likewise. * ld-i386/pr18900b.c: Likewise. * ld-i386/pr18900b.rd: Likewise. * ld-i386/pr18900c.c: Likewise. * ld-x86-64/pr18900.out: Likewise. * ld-x86-64/pr18900a.c: Likewise. * ld-x86-64/pr18900a.rd: Likewise. * ld-x86-64/pr18900b.c: Likewise. * ld-x86-64/pr18900b.rd: Likewise. * ld-x86-64/pr18900c.c: Likewise. * ld-x86-64/mpx3.dd: Updated.
2015-08-27Add reloc sort testAlan Modra1-0/+5
* ld-powerpc/relocsort.s, * ld-powerpc/relocsort.d: New test. * ld-powerpc/powerpc.exp: Run it.
2015-08-26Select MIPS ABi based upon abiflags rather than e_flags.Matthew Fortune1-0/+5
bfd PR ld/18401 * elfxx-mips.c (bfd_mips_isa_ext_mach): New function: Converts an ISA value to a bfd machine number. (bfd_mips_isa_ext): Update the ISA level and revision if necessary. Use mips_mach_extends_p to decide if the ISA extension needs to be set. (_bfd_mips_elf_merge_private_bfd_data): Allow the ISA extension to be inferred from the ABI setting. Set the ISA level from the maximum of the incoming and outgoing ISA levels. tests * ld-mips-elf/mips-elf-flags.exp: Add more ISA conflict tests.
2015-08-19[AArch64][6/6] LD support TLSLD load/store relocation typesJiong Wang1-0/+28
2015-08-19 Jiong Wang <jiong.wang@arm.com> bfd/ * elfnn-aarch64.c (IS_AARCH64_TLS_RELOC): Recognize new relocation types, including BFD_RELOC_AARCH64_TLSLD_LDST16_DTPREL_LO12, BFD_RELOC_AARCH64_TLSLD_LDST16_DTPREL_LO12_NC, BFD_RELOC_AARCH64_TLSLD_LDST32_DTPREL_LO12, BFD_RELOC_AARCH64_TLSLD_LDST32_DTPREL_LO12_NC, BFD_RELOC_AARCH64_TLSLD_LDST64_DTPREL_LO12, BFD_RELOC_AARCH64_TLSLD_LDST64_DTPREL_LO12_NC, BFD_RELOC_AARCH64_TLSLD_LDST8_DTPREL_LO12, BFD_RELOC_AARCH64_TLSLD_LDST8_DTPREL_LO12_NC. (elfNN_aarch64_final_link_relocate): Likewise. * elfxx-aarch64.c (_bfd_aarch64_elf_put_addend): Likewise. (_bfd_aarch64_elf_resolve_relocation): Likewise. ld/testsuite/ * ld-aarch64/emit-relocs-531.s: New testcase. * ld-aarch64/emit-relocs-531-overflow.s: Likewise. * ld-aarch64/emit-relocs-532.s: Likewise. * ld-aarch64/emit-relocs-533.s: Likewise. * ld-aarch64/emit-relocs-533-overflow.s: Likewise. * ld-aarch64/emit-relocs-534.s: Likewise. * ld-aarch64/emit-relocs-535.s: Likewise. * ld-aarch64/emit-relocs-535-overflow.s: Likewise. * ld-aarch64/emit-relocs-536.s: Likewise. * ld-aarch64/emit-relocs-537.s: Likewise. * ld-aarch64/emit-relocs-537-overflow.s: Likewise. * ld-aarch64/emit-relocs-538.s: Likewise. * ld-aarch64/emit-relocs-531.d: New expectation file. * ld-aarch64/emit-relocs-531-overflow.d: Likewise. * ld-aarch64/emit-relocs-532.d: Likewise. * ld-aarch64/emit-relocs-533.d: Likewise. * ld-aarch64/emit-relocs-533-overflow.d: Likewise. * ld-aarch64/emit-relocs-534.d: Likewise. * ld-aarch64/emit-relocs-535.d: Likewise. * ld-aarch64/emit-relocs-535-overflow.d: Likewise. * ld-aarch64/emit-relocs-536.d: Likewise. * ld-aarch64/emit-relocs-537.d: Likewise. * ld-aarch64/emit-relocs-537-overflow.d: Likewise. * ld-aarch64/emit-relocs-538.d: Likewise. * ld-aarch64/aarch64-elf.exp: Run new testcases.
2015-08-19[AArch64][4/6] LD support TLSLD move/add relocation typesJiong Wang1-0/+31
2015-08-19 Jiong Wang <jiong.wang@arm.com> bfd/ PR ld/18276 * elfnn-aarch64.c (IS_AARCH64_TLS_RELOC): Recognize new relocation types, including BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_HI12, BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G0, BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G0_NC, BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G1, BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G1_NC, BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G2. (elfNN_aarch64_final_link_relocate): Likewise. * elfxx-aarch64.c (_bfd_aarch64_elf_put_addend): Likewise. (_bfd_aarch64_elf_resolve_relocation): Likewise. ld/testsuite/ * ld-aarch64/emit-relocs-87.s: New testcase. * ld-aarch64/emit-relocs-88.s: Likewise. * ld-aarch64/emit-relocs-88-overflow.s: Likewise. * ld-aarch64/emit-relocs-89.s: Likewise. * ld-aarch64/emit-relocs-90.s: Likewise. * ld-aarch64/emit-relocs-90-overflow.s: Likewise. * ld-aarch64/emit-relocs-523.s: Likewise. * ld-aarch64/emit-relocs-524.s: Likewise. * ld-aarch64/emit-relocs-525.s: Likewise. * ld-aarch64/emit-relocs-527.s: Likewise. * ld-aarch64/emit-relocs-526.s: Likewise. * ld-aarch64/emit-relocs-528.s: Likewise. * ld-aarch64/emit-relocs-528-overflow.s: Likewise. * ld-aarch64/emit-relocs-87.d: New expectation file. * ld-aarch64/emit-relocs-88.d: Likewise. * ld-aarch64/emit-relocs-88-overflow.d: Likewise. * ld-aarch64/emit-relocs-89.d: Likewise. * ld-aarch64/emit-relocs-90.d: Likewise. * ld-aarch64/emit-relocs-90-overflow.d: Likewise. * ld-aarch64/emit-relocs-91.d: Likewise. * ld-aarch64/emit-relocs-523.d: Likewise. * ld-aarch64/emit-relocs-524.d: Likewise. * ld-aarch64/emit-relocs-525.d: Likewise. * ld-aarch64/emit-relocs-526.d: Likewise. * ld-aarch64/emit-relocs-527.d: Likewise. * ld-aarch64/emit-relocs-528.d: Likewise. * ld-aarch64/emit-relocs-528-overflow.d: Likewise. * ld-aarch64/aarch64-elf.exp: Run new testcases.
2015-08-19[AArch64][2/6] LD support BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_LO12_NCJiong Wang1-0/+8
2015-08-19 Jiong Wang <jiong.wang@arm.com> bfd/ * elfnn-aarch64.c (IS_AARCH64_TLS_RELOC): Recognize BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_LO12_NC. (aarch64_reloc_got_type): Likewise. (elfNN_aarch64_final_link_relocate): Likewise. (elfNN_aarch64_relocate_section): Likewise. * elfxx-aarch64.c (_bfd_aarch64_elf_put_addend): Likewise. (_bfd_aarch64_elf_resolve_relocation): Likewise. ld/testsuite/ * ld-aarch64/emit-relocs-530.s: New testcase. * ld-aarch64/emit-relocs-92.s: Likewise. * ld-aarch64/emit-relocs-530.d: New expectation file. * ld-aarch64/emit-relocs-92.d: Likewise. * ld-aarch64/aarch64-elf.exp: Run new testcases.
2015-08-18Add another test for PR ld/18841H.J. Lu1-0/+6
PR ld/18841 * ld-ifunc/ifunc.exp: Add another test for PR ld/18841. * ld-ifunc/pr18841c.c: New file.
2015-08-18Return reloc_class_ifunc for reloc against IFUNCH.J. Lu1-0/+8
elf_XXX_reloc_type_class should return reloc_class_ifunc for relocation against STT_GNU_IFUNC symbol. bfd/ PR ld/18841 * elf-bfd.h (elf_link_hash_table): Add dynsym. * elf32-i386.c (elf_i386_reloc_type_class): Return reloc_class_ifunc for relocation against STT_GNU_IFUNC symbol. * elf64-x86-64.c (elf_x86_64_reloc_type_class): Likewise. * elflink.c (_bfd_elf_link_create_dynamic_sections): Set dynsym. (bfd_elf_size_dynsym_hash_dynstr): Use dynsym. (elf_final_link_info): Remove dynsym_sec. (elf_link_output_extsym): Replace dynsym_sec with dynsym. (bfd_elf_final_link): Remove reference to dynsym_sec. Replace dynsym_sec with dynsym. ld/testsuite/ PR ld/18841 * ld-ifunc/ifunc.exp: Add a test for PR ld/18841. * ld-ifunc/pr18841.out: New file. * ld-ifunc/pr18841a.c: Likewise. * ld-ifunc/pr18841b.c: Likewise.
2015-08-13Issue an error for read-only segment with dynamic IFUNC relocationsH.J. Lu1-0/+10
To load an ELF binary with DT_TEXTREL tag, the dynamic linker calls __mprotect on the read-only segment with PROT_READ|PROT_WRITE before applying dynamic relocation. It leads to segfault when performing IFUNC relocations since the read-only segment has no execute permission. This patch changes x86 linker to issue an error for read-only segment with dynamic IFUNC relocations. Other backends with IFUNC support may need a similar change. bfd/ PR ld/18801 * elf32-i386.c (elf_i386_size_dynamic_sections): Issue an error for read-only segment with dynamic IFUNC relocations. * elf64-x86-64.c (elf_x86_64_size_dynamic_sections): Likewise. ld/testsuite/ PR ld/18801 * ld-i386/i386.exp: Run pr18801. * ld-x86-64/x86-64.exp: Likewise. * ld-i386/pr18801.d: New file. * ld-i386/pr18801.s: Likewise. * ld-x86-64/pr18801.d: Likewise. * ld-x86-64/pr18801.s: Likewise.
2015-08-13Add ChangeLog for check_ifunc_attribute_availableH.J. Lu1-0/+1
2015-08-12[MIPS] Map 'move' to 'or'.Simon Dardis1-0/+31
The MIPS assembly idiom 'move' now maps to the 'or' machine instruction. This change affects microMIPS, MIPS32, MIPS64. 2015-08-12 Simon Dardis <simon.dardis@imgtec.com> opcodes/ * micromips-opc.c (micromips_opcodes): Re-order table so that move based on 'or' is first. * mips-opc.c (mips_builtin_opcodes): Ditto. bfd/ * elfxx-mips.c (STUB_MOVE): Change to use 'or' only. (mips_o32_exec_plt0_entry, mips_n32_exec_plt0_entry, mips_n64_exec_plt0_entry, micromips_insn32_o32_exec_plt0_entry): Update to use 'or' instead of 'addu/daddu'. (_bfd_mips_elf_finish_dynamic_symbol): Update usage of STUB_MOVE. (move_insns_32): Reorder table. gas/ * config/tc-mips.c (move_register): Change to use 'or' only. (s_cpload, s_cpsetup, s_cprestore, s_cpreturn): Update to use or for move. gas/testsuite/ * gas/mips/elf-rel23.d: Update test. * gas/mips/elf-rel23.d: Ditto. * gas/mips/elf-rel23a.d: Ditto. * gas/mips/elf-rel23b.d: Ditto. * gas/mips/elf_e_flags1.d: Ditto. * gas/mips/elf_e_flags2.d: Ditto. * gas/mips/elf_e_flags3.d: Ditto. * gas/mips/elf_e_flags4.d: Ditto. * gas/mips/loc-swap-dis.d: Ditto. * gas/mips/micromips-insn32.d: Ditto. * gas/mips/micromips-noinsn32.d: Ditto. * gas/mips/micromips-trap.d: Ditto. * gas/mips/micromips.d: Ditto. * gas/mips/mips-abi32-pic.d: Ditto. * gas/mips/mips-abi32.d: Ditto. * gas/mips/mips-gp32-fp32-pic.d: Ditto. * gas/mips/mips-gp32-fp32.d: Ditto. * gas/mips/mips-gp32-fp64-pic.d: Ditto. * gas/mips/mips-gp32-fp64.d: Ditto. * gas/mips/mips-gp64-fp32-pic.d: Ditto. * gas/mips/mips-gp64-fp32.d: Ditto. * gas/mips/mips-gp64-fp64-pic.d: Ditto. * gas/mips/mips-gp64-fp64.d: Ditto. * gas/mips/mipsr6@loc-swap-dis.d: Ditto. * gas/mips/tls-o32.d: Ditto. * gas/mips/uld2-eb.d: Ditto. * gas/mips/uld2-el.d: Ditto. * gas/mips/ulw2-eb-ilocks.d: Ditto. * gas/mips/ulw2-eb.d: Ditto. * gas/mips/ulw2-el-ilocks.d: Ditto. * gas/mips/ulw2-el.d: Ditto. * gas/mips/move.d: New test. * gas/mips/move.s: Ditto. * gas/mips/micromips32-move.d: Ditto. * gas/mips/micromips32-move.s: Ditto. * gas/mips/mips.exp: Run the new tests. gold/ * mips.cc (plt0_entry_o32, plt0_entry_n32, plt0_entry_n64, lazy_stub_normal_1, lazy_stub_normal_1_n64, lazy_stub_normal_2, lazy_stub_normal_2_n64, lazy_stub_big, lazy_stub_big_n64, lazy_stub_micromips32_normal_1_n64, lazy_stub_micromips32_normal_2_n64, lazy_stub_micromips32_big, lazy_stub_micromips32_big_n64): Update to use 'or' for move instead of 'addu/daddu'. ld/testsuite/ * ld-mips-elf/compressed-plt-1-n32-mips16.od: Update test. * ld-mips-elf/compressed-plt-1-n32-umips.od: Ditto. * ld-mips-elf/compressed-plt-1-o32-mips16-got.od: Ditto. * ld-mips-elf/compressed-plt-1-o32-mips16-only.od: Ditto. * ld-mips-elf/compressed-plt-1-o32-mips16-word.od: Ditto. * ld-mips-elf/compressed-plt-1-o32-mips16.od: Ditto. * ld-mips-elf/compressed-plt-1-o32-se.od: Ditto. * ld-mips-elf/compressed-plt-1-o32-umips-got.od: Ditto. * ld-mips-elf/compressed-plt-1-o32-umips-word.od: Ditto. * ld-mips-elf/compressed-plt-1-o32-umips.od: Ditto. * ld-mips-elf/jalx-2.dd: Ditto. * ld-mips-elf/mips16-pic-3.dd: Ditto. * ld-mips-elf/pic-and-nonpic-3a.dd: Ditto. * ld-mips-elf/pic-and-nonpic-3b.dd: Ditto. * ld-mips-elf/pic-and-nonpic-5b.dd: Ditto. * ld-mips-elf/pic-and-nonpic-6-n32.dd: Ditto. * ld-mips-elf/pic-and-nonpic-6-o32.dd: Ditto. * ld-mips-elf/stub-dynsym-1-10000.d: Ditto. * ld-mips-elf/stub-dynsym-1-2fe80.d: Ditto. * ld-mips-elf/stub-dynsym-1-7fff.d: Ditto. * ld-mips-elf/stub-dynsym-1-8000.d: Ditto. * ld-mips-elf/stub-dynsym-1-fff0.d: Ditto. * ld-mips-elf/tlsbin-o32.d: Ditto. * ld-mips-elf/tlsdyn-o32-1.d: Ditto. * ld-mips-elf/tlsdyn-o32-2.d: Ditto. * ld-mips-elf/tlsdyn-o32-3.d: Ditto. * ld-mips-elf/tlsdyn-o32.d: Ditto. * ld-mips-elf/tlslib-o32.d: Ditto.
2015-08-12Remove ChangeLog separatorAlan Modra1-1/+1
2015-08-12[AArch64] Fix test failures on elf configurationJiong Wang1-0/+11
This patch fixed those failures on elf configuration by: * Improve the ILP32 target selector "aarch64_choose_ilp32_emul", makes it more robust. Target triples copied from configure.tgt * Updated emit-relocs-86/-overflow.d to use aarch64_choose_ilp32_emul which is following what have done with emit-relocs-28. * Those instruction encoding mismatch is because those encoding contains pc-relative address. As for elf, we may have different start address. relaxed encodind check, especially for aarch64-farcall-b/bl-plt, as the main purpose of those check are ELF text/data layout, we just want to make sure veneer to plt stub is generated. 2015-08-12 Jiong Wang <jiong.wang@arm.com> ld/testsuite/ * ld-aarch64/aarch64-elf.exp (aarch64_choose_ilp32_emul): Support all four triple shapes: aarch64-*-linux*, aarch64-*-elf, aarch64_be-*-linux*, aarch64_be-*-elf. * ld-aarch64/emit-relocs-86.d: Use aarch64_choose_ilp32_emul. * ld-aarch64/emit-relocs-86-overflow.d: Likewise. * ld-aarch64/ld-aarch64/farcall-b-plt.d: Relax instrucion encoding check when they reflect address. * ld-aarch64/ld-aarch64/farcall-bl-plt.d: Likewise.
2015-08-12[AArch64] Rename relocs-257-symbolic-func ld test to relocs-1027-symbolic-func.Thomas Preud'homme1-0/+9
2015-08-12 Thomas Preud'homme <thomas.preudhomme@arm.com> ld/testsuite/ * ld-aarch64/aarch64-elf.exp: Rename relocs-257-symbolic-func to relocs-1027-symbolic-func. * ld-aarch64/relocs-257-symbolic-func.d: Rename to ... * ld-aarch64/relocs-1027-symbolic-func.d: ... this. * ld-aarch64/relocs-257-symbolic-func.s: Rename to ... * ld-aarch64/relocs-1027-symbolic-func.s: ... this.
2015-08-11[AArch64] Long branch veneer support far symbol defined by --defsymJiong Wang1-0/+7
2015-08-11 Jiong Wang <jiong.wang@arm.com> bfd/ * bfd/elfnn-aarch64.c (aarch64_type_of_stub): New parameter "sym_sec". Loose the check for symbol from ABS section. (elfNN_aarch64_size_stubs): Pass sym_sec. ld/testsuite/ * ld-aarch64/farcall-b-defsym.s: New test. * ld-aarch64/farcall-bl-defsym.s: Likewise. * ld-aarch64/farcall-b-defsym.d: New expectation. * ld-aarch64/farcall-bl-defsym.d: Likewise.
2015-08-11[AArch64] PR18668, repair long branch veneer for plt stubJiong Wang1-0/+9
2015-08-11 Jiong Wang <jiong.wang@arm.com> bfd/ PR ld/18668 * elfnn-aarch64.c (aarch64_type_of_stub): Update destination for calls go through plt stub. (elfNN_aarch64_final_link_relocate): Adjust code logic for CALL26, JUMP26 relocation to support inserting veneer for call to plt stub. ld/testsuite/ * ld-aarch64/farcall-b-gsym.s: New test. * ld-aarch64/farcall-b-plt.s: Likewise. * ld-aarch64/farcall-bl-plt.s: Likewise. * ld-aarch64/farcall-b-gsym.d: New expect file. * ld-aarch64/farcall-b-plt.d: Likewise. * ld-aarch64/farcall-bl-plt.d: Likewise.
2015-08-11[AArch64][8/8] LD support BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_LO12Jiong Wang1-0/+12
2015-08-11 Jiong Wang <jiong.wang@arm.com> bfd/ * elfnn-aarch64.c (IS_AARCH64_TLS_RELOC): Recognize BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_LO12. (aarch64_reloc_got_type): Likewise. (elfNN_aarch64_final_link_relocate): Likewise. (elfNN_aarch64_relocate_section): Likewise. * elfxx-aarch64.c (_bfd_aarch64_elf_put_addend): Likewise. (_bfd_aarch64_elf_resolve_relocation): Likewise. ld/testsuite/ * ld-aarch64/emit-relocs-529.s: New testcase. * ld-aarch64/emit-relocs-529-overflow.s: Likewise. * ld-aarch64/emit-relocs-86.s: Likewise. * ld-aarch64/emit-relocs-86-overflow.s: Likewise. * ld-aarch64/emit-relocs-529.d: New expectation file. * ld-aarch64/emit-relocs-529-overflow.d: Likewise. * ld-aarch64/emit-relocs-86.d: Likewise. * ld-aarch64/emit-relocs-86-overflow.d: Likewise. * ld-aarch64/aarch64-elf.exp: Run new testcases.
2015-08-11[AArch64][6/8] LD support BFD_RELOC_AARCH64_TLSLD_ADD_LO12_NCJiong Wang1-0/+4
2015-08-11 Jiong Wang <jiong.wang@arm.com> bfd/ * elfnn-aarch64.c (IS_AARCH64_TLS_RELOC): Recognize BFD_RELOC_AARCH64_TLSLD_ADD_LO12_NC. (aarch64_reloc_got_type): Likewise. (elfNN_aarch64_final_link_relocate): Likewise. (elfNN_aarch64_relocate_section): Likewise. (elfNN_aarch64_gc_sweep_hook): Likewise. (elfNN_aarch64_check_relocs): Likewise. * elfxx-aarch64.c (_bfd_aarch64_elf_put_addend): Likewise. (_bfd_aarch64_elf_resolve_relocation): Likewise. ld/testsuite/ * ld-aarch64/tls-small-ld.s: Update testcase.
2015-08-11[AArch64][3/8] LD support BFD_RELOC_AARCH64_TLSLD_ADR_PAGE21Jiong Wang1-0/+6
2015-08-11 Jiong Wang <jiong.wang@arm.com> bfd/ * elfnn-aarch64.c (IS_AARCH64_TLS_RELOC): Recognize BFD_RELOC_AARCH64_TLSLD_ADR_PAGE21. (aarch64_reloc_got_type): Likewise. (elfNN_aarch64_final_link_relocate): Likewise. (elfNN_aarch64_relocate_section): Likewise. (elfNN_aarch64_gc_sweep_hook): Likewise. (elfNN_aarch64_check_relocs): Likewise. * elfxx-aarch64.c (_bfd_aarch64_elf_put_addend): Likewise. (_bfd_aarch64_elf_resolve_relocation): Likewise. ld/testsuite/ * ld-aarch64/tls-small-ld.s: New file. * ld-aarch64/tls-small-ld.d: Likewise. * ld-aarch64/aarch64-elf.exp: Run new test.
2015-08-11Skip IFUNC relocations in debug sectionsH.J. Lu1-0/+8
Skip IFUNC relocations in debug sections ignored by ld.so. bfd/ PR ld/18808 * elf32-i386.c (elf_i386_relocate_section): Skip IFUNC relocations in debug sections. * elf64-x86-64.c (elf_x86_64_relocate_section): Likewise. ld/testsuite/ PR ld/18808 * ld-ifunc/ifunc.exp: Add a test for PR ld/18808. * ld-ifunc/pr18808.out: New file. * ld-ifunc/pr18808a.c: Likewise. * ld-ifunc/pr18808b.c: Likewise.
2015-08-07Properly merge hidden versioned symbolH.J. Lu1-0/+9
The hidden versioned symbol can only be merged with the versioned symbol with the same symbol version. _bfd_elf_merge_symbol should check the symbol version before merging the new hidden versioned symbol with the existing symbol. _bfd_elf_link_hash_copy_indirect can't copy any references to the hidden versioned symbol. We need to bind a symbol locally when linking executable if it is locally defined, hidden versioned, not referenced by shared library and not exported. bfd/ PR ld/18720 * elflink.c (_bfd_elf_merge_symbol): Add a parameter to indicate if the new symbol matches the existing one. The new hidden versioned symbol matches the existing symbol if they have the same symbol version. Update the existing symbol only if they match. (_bfd_elf_add_default_symbol): Update call to _bfd_elf_merge_symbol. (_bfd_elf_link_assign_sym_version): Don't set the hidden field here. (elf_link_add_object_symbols): Override a definition only if the new symbol matches the existing one. (_bfd_elf_link_hash_copy_indirect): Don't copy any references to the hidden versioned symbol. (elf_link_output_extsym): Bind a symbol locally when linking executable if it is locally defined, hidden versioned, not referenced by shared library and not exported. Turn on VERSYM_HIDDEN only if the hidden vesioned symbol is defined locally. ld/testsuite/ PR ld/18720 * ld-elf/indirect.exp: Run tests for PR ld/18720. * ld-elf/pr18720.out: New file. * ld-elf/pr18720a.c: Likewise. * ld-elf/pr18720b.c: Likewise. * ld-elf/pr18720c.c: Likewise.
2015-08-04ld: map option for run_dump_test requires no program.Andrew Burgess1-0/+5
When using run_dump_test with the map option to compare the linker map file produced, no additional dump program should be required. A dump program can still be given if needed, but leaving it off will no longer produce an error. ld/testsuite/ChangeLog: * ld/ld-lib.exp (run_dump_test): When using the map option, no program is required.
2015-08-04ld: Add file based error/warning regexp for run_dump_test.Andrew Burgess1-0/+5
The run_dump_test mechanism supports options error and warning, which allow regexp to be specified within the test file, these regexp are matched against the stderr output from the linker. Similar dump test style functions for gas and gdb also support file based matching versions of these options; the patterns are placed into a file which the test driver then references. It is sometimes clearer, when the pattern to be matched spans multiple lines if the patterns can be placed into a separate file. This patch adds new options error_output and warning_output for the linker run_dump_test function. These new options take a filename parameter, this file is then used (with regexp_diff) to compare against the linker output. ld/testsuite/ChangeLog: * ld/ld-lib.exp (run_dump_test): Add error_output and warning_output options.
2015-08-04ld: Add '--require-defined' command line option.Andrew Burgess1-0/+10
Add a new command line option '--require-defined' to the linker. This option operates identically to the '--undefined' option, except that if the symbol is not defined in the final output file then the linker will exit with an error. When making use of --gc-section, or just when trying to pull in parts of a library, it is not uncommon for a user to use the '--undefined' command line option to specify a symbol that the user then expects to be defined by one of the object files supplied to the link. However, if for any reason the symbol is not satisfied by an object provided to the link the user will be left with an undefined symbol in the output file, instead of a defined symbol. In some cases the above behaviour is what the user wants, in other cases though we can do better. The '--require-defined' option tries to fill this gap. The symbol passed to the '--require-defined' option is treated exactly as if the symbol was passed to '--undefined', however, before the linker exits a check is made that all symbols passed to '--require-defined' are actually defined, if any are not then the link will fail with an error. ld/ChangeLog: * ld.texinfo (Options): Document --require-defined option. * ldlang.c (struct require_defined_symbol): New structure. (require_defined_symbol_list): New variable. (ldlang_add_require_defined): New function. (ldlang_check_require_defined_symbols): New function. (lang_process): Check required symbols are defined. * ldlang.h (ldlang_add_require_defined): Declare. * ldlex.h (enum option_values): Add OPTION_REQUIRE_DEFINED_SYMBOL. * lexsup.c (ld_options): Add '--require-defined' entry. (parse_args): Handle '--require-defined' entry. * NEWS: Mention new '--require-defined' option. ld/testsuite/ChangeLog: * ld-undefined/require-defined-1.d: New file. * ld-undefined/require-defined-2.d: New file. * ld-undefined/require-defined-3.d: New file. * ld-undefined/require-defined-4.d: New file. * ld-undefined/require-defined-5.d: New file. * ld-undefined/require-defined.exp: New file. * ld-undefined/require-defined.s: New file.
2015-07-30Don't change the default symbol for relocatable linkH.J. Lu1-0/+6
We should change the default symbol for the versioned symbol only when not performing a relocatable link. bfd/ PR ld/18735 * elflink.c (_bfd_elf_add_default_symbol): Add the default symbol if not performing a relocatable link. (elf_link_add_object_symbols): Adjust the default symbol if not performing a relocatable link. ld/testsuite/ PR ld/18735 * ld-elf/pr18735.d: New file. * ld-elf/pr18735.s: Likewise.
2015-07-29Use noclone attribute only for GCC 4.5 or newerH.J. Lu1-0/+5
noclone attribute was added to GCC 4.5. We should check GCC version before using it. * ld-elf/pr18718.c (bar): Use noclone attribute only for GCC 4.5 or newer.
2015-07-29Move run-time support check for size relocationH.J. Lu1-0/+4
We must check run-time support for size relocation first before running the tests. * ld-size/size.exp: Move run-time support check.
2015-07-28Fallout from "Reorder more powerpc64 sections for -z relro"Alan Modra1-0/+4
Commit 23283c1b changed the layout of some bss style sections on powerpc64, but neglected to add a page gap before the third PT_LOAD segment created by this reording. Without a page gap we get two PT_LOAD headers that overlap by one page in memory. That shouldn't be allowed because the dynamic loader will load garbage from the first page of the last segment over the last page of the previous segment. bfd/ * elf.c (_bfd_elf_map_sections_to_segments): Do not make a new segment for loaded sections after nonloaded sections if the sections are on the same page. ld/testsuite/ * ld-powerpc/elfv2so.d: Update
2015-07-27Set NOPIE_CFLAGS and NOPIE_LDFLAGSH.J. Lu1-0/+8
GCC 6 can be configured to generate PIE by default. But some linker size tests expect non-PIE. This patch defines NOPIE_CFLAGS to "-fno-PIE" and NOPIE_LDFLAGS to "-no-pie" if target compiler supports them. Add $NOPIE_CFLAGS and $NOPIE_LDFLAGS to linker size tests if needed. * config/default.exp (NOPIE_CFLAGS): New. (NOPIE_LDFLAGS): Likewise. * ld-size/size.exp (run_cc_link_tests): Add $NOPIE_CFLAGS and $NOPIE_LDFLAGS if needed. (run_ld_link_exec_tests): Add $NOPIE_CFLAGS if needed.
2015-07-27Append $PLT_CFLAGS to CC/CXX for S-records testsH.J. Lu1-0/+5
S-records tests don't work with -fno-plt. This path appends $PLT_CFLAGS to CC and CXX for S-records tests. * ld-srec/srec.exp (CC): Save and restore. Append $PLT_CFLAGS. (CXX): Likewise.
2015-07-27Pass $PLT_CFLAGS to ld_compileH.J. Lu1-0/+4
Some linker shard library tests without PIC expect PLT. This patch passes $PLT_CFLAGS to ld_compile. * ld-shared/shared.exp: Pass $PLT_CFLAGS to ld_compile.
2015-07-27Append $PLT_CFLAGS to CC for NOCROSSREFS testsH.J. Lu1-0/+5
NOCROSSREFS tests don't work with -fno-plt. This path appends $PLT_CFLAGS to CC for NOCROSSREFS tests. * ld-scripts/crossref.exp (CC): Save and restore. Append $PLT_CFLAGS.
2015-07-27Add $PLT_CFLAGS to -fPIC for run_cc_link_testsH.J. Lu1-0/+7
Some x86 linker tests expect PLT. This patch adds $PLT_CFLAGS to -fPIC for run_cc_link_tests. * ld-i386/i386.exp (run_cc_link_tests): Add $PLT_CFLAGS to -fPIC if needed. * ld-x86-64/mpx.exp (run_cc_link_tests): Likewise. * ld-x86-64/x86-64.exp (run_cc_link_tests): Likewise.
2015-07-27Pass $PLT_CFLAGS to ld_compileH.J. Lu1-0/+5
Some linker visibility tests without PIC expect PLT. This patch passes $PLT_CFLAGS to ld_compile. * ld-elfvsb/elfvsb.exp (visibility_run): Pass $PLT_CFLAGS to ld_compile.
2015-07-27Pass $PLT_CFLAGS to build_binaryH.J. Lu1-0/+5
Some linker symbol version tests without PIC expect PLT. This patch adds $PLT_CFLAGS to CFLAGS. * ld-elfvers/vers.exp (build_vers_lib_no_pic): Pass $PLT_CFLAGS to build_binary.
2015-07-27Set PLT_CFLAGS to "-fplt" if supportedH.J. Lu1-0/+4
GCC 6 supports -fno-plt. But some linker tests expect PLT. This patch defines PLT_CFLAGS to "-fplt" if target compiler supports it. * config/default.exp (PLT_CFLAGS): New.
2015-07-27[AArch64] Fix extern protected data handlingSzabolcs Nagy1-0/+7
Emit *GLOB_DAT instead of *RELATIVE relocs for protected data in shared objects. This is needed for the fix of glibc bug 17711: https://sourceware.org/bugzilla/show_bug.cgi?id=17711 bfd: PR ld/18705 * elfnn-aarch64.c (elf_backend_extern_protected_data): Define. ld/testsuite: PR ld/18705 * ld-aarch64/protected-data.d: New. * ld-aarch64/protected-data.s: New. * ld-aarch64/aarch64-elf.exp: Add new test.
2015-07-27[ARM] Fix extern protected data handlingSzabolcs Nagy1-0/+7
Emit *GLOB_DAT instead of *RELATIVE relocs for protected data in shared objects. This is needed for the fix of glibc bug 17711: https://sourceware.org/bugzilla/show_bug.cgi?id=17711 bfd: PR ld/18705 * elf32-arm.c (elf_backend_extern_protected_data): Define. ld/testsuite: PR ld/18705 * ld-arm/protected-data.d: New. * ld-arm/protected-data.s: New. * ld-arm/arm-elf.exp: Add new test.
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