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1bbce13264
* 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.
62 lines
1.7 KiB
Plaintext
62 lines
1.7 KiB
Plaintext
.*: +file format .*mips.*
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Disassembly of section \.text:
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04400000 <external_function>:
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4400000: 27bdfff8 addiu sp,sp,-8
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4400004: afbe0004 sw s8,4\(sp\)
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4400008: 03a0f021 move s8,sp
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440000c: 03c0e821 move sp,s8
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4400010: 8fbe0004 lw s8,4\(sp\)
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4400014: 27bd0008 addiu sp,sp,8
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4400018: 03e00008 jr ra
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440001c: 00000000 nop
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04400020 <internal_function>:
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4400020: 4fb0 addiu sp,sp,-8
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4400022: cbc1 sw s8,4\(sp\)
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4400024: 0fdd move s8,sp
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4400026: 0fbe move sp,s8
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4400028: 4bc1 lw s8,4\(sp\)
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440002a: 4702 jraddiusp 8
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0440002c <main>:
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440002c: 4ff1 addiu sp,sp,-32
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440002e: cbe7 sw ra,28\(sp\)
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4400030: cbc6 sw s8,24\(sp\)
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4400032: 0fdd move s8,sp
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4400034: f89e 0020 sw a0,32\(s8\)
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4400038: f8be 0024 sw a1,36\(s8\)
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440003c: 41a2 0440 lui v0,0x440
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4400040: 3082 0290 addiu a0,v0,656
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4400044: f620 004c jal 4400098 <printf@micromipsplt>
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4400048: 0000 0000 nop
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440004c: f620 0010 jal 4400020 <internal_function>
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4400050: 0000 0000 nop
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4400054: f110 0000 jalx 4400000 <external_function>
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4400058: 0000 0000 nop
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440005c: 0fbe move sp,s8
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440005e: 4be7 lw ra,28\(sp\)
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4400060: 4bc6 lw s8,24\(sp\)
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4400062: 4708 jraddiusp 32
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\.\.\.
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Disassembly of section \.plt:
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04400080 <_PROCEDURE_LINKAGE_TABLE_>:
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4400080: 7980 0012 addiu v1,\$pc,72
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4400084: ff23 0000 lw t9,0\(v1\)
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4400088: 0535 subu v0,v0,v1
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440008a: 2525 srl v0,v0,2
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440008c: 3302 fffe addiu t8,v0,-2
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4400090: 0dff move t7,ra
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4400092: 45f9 jalrs t9
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4400094: 0f83 move gp,v1
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4400096: 0c00 nop
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04400098 <printf@micromipsplt>:
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4400098: 7900 000e addiu v0,\$pc,56
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440009c: ff22 0000 lw t9,0\(v0\)
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44000a0: 4599 jr t9
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44000a2: 0f02 move t8,v0
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