From c024ce1422a60f9600b922f081be3ada47a489ae Mon Sep 17 00:00:00 2001 From: "Maciej W. Rozycki" Date: Mon, 24 Jun 2013 23:55:45 +0000 Subject: [PATCH] bfd/ * elfxx-mips.h (_bfd_mips_elf_get_synthetic_symtab): New prototype. * elf32-mips.c (elf_backend_plt_sym_val): Remove macro. (bfd_elf32_get_synthetic_symtab): New macro. * elfxx-mips.c (plt_entry): New structure. (mips_elf_link_hash_entry): Add use_plt_entry member. (mips_elf_link_hash_table): Rename plt_entry_size member to plt_mips_entry_size. Add plt_comp_entry_size, plt_mips_offset, plt_comp_offset, plt_got_index entries and plt_header_is_comp members. (STUB_LW_MICROMIPS, STUB_MOVE_MICROMIPS): New macros. (STUB_LUI_MICROMIPS, STUB_JALR_MICROMIPS): Likewise. (STUB_ORI_MICROMIPS, STUB_LI16U_MICROMIPS): Likewise. (STUB_LI16S_MICROMIPS): Likewise. (MICROMIPS_FUNCTION_STUB_NORMAL_SIZE): Likewise. (MICROMIPS_FUNCTION_STUB_BIG_SIZE): Likewise. (micromips_o32_exec_plt0_entry): New variable. (mips16_o32_exec_plt_entry): Likewise. (micromips_o32_exec_plt_entry): Likewise. (mips_elf_link_hash_newfunc): Initialize use_plt_entry. (mips_elf_output_extsym): Update to use gotplt_union's plist member rather than offset. (mips_elf_gotplt_index): Likewise. Remove the VxWorks restriction. Use MIPS_ELF_GOT_SIZE to calculate GOT address. (mips_elf_count_got_symbols): Update to use gotplt_union's plist member rather than offset. (mips_elf_calculate_relocation): Handle MIPS16/microMIPS PLT entries. (_bfd_mips_elf_create_dynamic_sections): Don't set PLT sizes here. (mips_elf_make_plt_record): New function. (_bfd_mips_elf_check_relocs): Update comment. Record occurences of JAL relocations that might need a PLT entry. (_bfd_mips_elf_adjust_dynamic_symbol): Update to use gotplt_union's plist member rather than offset. Set individual PLT entry sizes here. Handle MIPS16/microMIPS PLT entries. Don't set the symbol's value in the symbol table for PLT references here. Don't set the PLT or PLT GOT section sizes here. (mips_elf_estimate_stub_size): Handle microMIPS stubs. (mips_elf_allocate_lazy_stub): Likewise. (mips_elf_lay_out_lazy_stubs): Likewise. Define a _MIPS_STUBS_ magic symbol. (mips_elf_set_plt_sym_value): New function. (_bfd_mips_elf_size_dynamic_sections): Set PLT header size and PLT and PLT GOT section sizes here. Set the symbol values in the symbol table for PLT references here. Handle microMIPS annotation of the _PROCEDURE_LINKAGE_TABLE_ magic symbol. (_bfd_mips_elf_finish_dynamic_symbol): Update to use gotplt_union's plist member rather than offset. Handle MIPS16/microMIPS PLT entries. Handle microMIPS stubs. (_bfd_mips_vxworks_finish_dynamic_symbol): Update to use gotplt_union's plist member rather than offset. Use MIPS_ELF_GOT_SIZE to calculate GOT address. (mips_finish_exec_plt): Handle microMIPS PLT. Return status. (_bfd_mips_elf_finish_dynamic_sections): Handle result from mips_finish_exec_plt. (_bfd_mips_elf_link_hash_table_create): Update to use gotplt_union's plist member rather than offset. (_bfd_mips_elf_get_synthetic_symtab): New function. include/elf/ * mips.h (ELF_ST_IS_MIPS_PLT): Respect STO_MIPS16 setting. (ELF_ST_SET_MIPS_PLT): Likewise. gdb/ * mips-tdep.c (mips_elf_make_msymbol_special): Handle MIPS16 and microMIPS synthetic symbols. ld/ * emulparams/elf32btsmip.sh: Arrange for .got.plt to be placed as close to .plt as possible. * scripttempl/elf.sc: Handle $INITIAL_READWRITE_SECTIONS and $PLT_NEXT_DATA variables. ld/testsuite/ * ld-mips-elf/jalx-2.dd: Update for microMIPS PLT support. * ld-mips-elf/pic-and-nonpic-3a.dd: Update for the _MIPS_STUBS_ magic symbol. * ld-mips-elf/pic-and-nonpic-3b.dd: Likewise. * ld-mips-elf/pic-and-nonpic-6-n32.dd: Likewise. * ld-mips-elf/pic-and-nonpic-6-n64.dd: Likewise. * ld-mips-elf/pic-and-nonpic-6-o32.dd: Likewise. * ld-mips-elf/stub-dynsym-1-10000.d: Likewise. * ld-mips-elf/stub-dynsym-1-2fe80.d: Likewise. * ld-mips-elf/stub-dynsym-1-7fff.d: Likewise. * ld-mips-elf/stub-dynsym-1-8000.d: Likewise. * ld-mips-elf/stub-dynsym-1-fff0.d: Likewise. * ld-mips-elf/tlslib-o32.d: Likewise. opcodes/ * mips-dis.c (is_mips16_plt_tail): New function. (print_insn_mips16): Handle MIPS16 PLT entry's GOT slot address word. (is_compressed_mode_p): Handle MIPS16/microMIPS PLT entries. --- include/elf/ChangeLog | 5 +++++ include/elf/mips.h | 10 ++++++++-- 2 files changed, 13 insertions(+), 2 deletions(-) diff --git a/include/elf/ChangeLog b/include/elf/ChangeLog index 245267d7c..20ba2297e 100644 --- a/include/elf/ChangeLog +++ b/include/elf/ChangeLog @@ -1,3 +1,8 @@ +2013-06-24 Maciej W. Rozycki + + * mips.h (ELF_ST_IS_MIPS_PLT): Respect STO_MIPS16 setting. + (ELF_ST_SET_MIPS_PLT): Likewise. + 2013-06-19 Will Newton * aarch64.h: Remove R_AARCH64_IRELATIVE. diff --git a/include/elf/mips.h b/include/elf/mips.h index 44d815e82..f3be987a0 100644 --- a/include/elf/mips.h +++ b/include/elf/mips.h @@ -803,8 +803,14 @@ extern void bfd_mips_elf32_swap_reginfo_out PLT entries and traditional MIPS lazy binding stubs. We mark the former with STO_MIPS_PLT to distinguish them from the latter. */ #define STO_MIPS_PLT 0x8 -#define ELF_ST_IS_MIPS_PLT(other) (((other) & STO_MIPS_FLAGS) == STO_MIPS_PLT) -#define ELF_ST_SET_MIPS_PLT(other) (((other) & ~STO_MIPS_FLAGS) | STO_MIPS_PLT) +#define ELF_ST_IS_MIPS_PLT(other) \ + ((ELF_ST_IS_MIPS16 (other) \ + ? ((other) & (~STO_MIPS16 & STO_MIPS_FLAGS)) \ + : ((other) & STO_MIPS_FLAGS)) == STO_MIPS_PLT) +#define ELF_ST_SET_MIPS_PLT(other) \ + ((ELF_ST_IS_MIPS16 (other) \ + ? ((other) & (STO_MIPS16 | ~STO_MIPS_FLAGS)) \ + : ((other) & ~STO_MIPS_FLAGS)) | STO_MIPS_PLT) /* This value is used to mark PIC functions in an object that mixes PIC and non-PIC. Note that this bit overlaps with STO_MIPS16, -- 2.43.5