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284a130902
The current PLT generation code will generate invalid code when the PLT relocation offset exceeds 64k. This fixes the issue by detecting large plt_reloc offsets and generare code sequences to create larger plt relocations. The "large" plt code needs 2 extra instructions to create 32-bit offsets. bfd/ChangeLog: PR 27746 * elf32-or1k.c (PLT_ENTRY_SIZE_LARGE, PLT_MAX_INSN_COUNT, OR1K_ADD, OR1K_ORI): New macros to help with plt creation. (elf_or1k_link_hash_table): New field plt_count. (elf_or1k_link_hash_entry): New field plt_index. (elf_or1k_plt_entry_size): New function. (or1k_write_plt_entry): Update to support variable size PLTs. (or1k_elf_finish_dynamic_sections): Use new or1k_write_plt_entry API. (or1k_elf_finish_dynamic_symbol): Update to write large PLTs when needed. (allocate_dynrelocs): Use elf_or1k_plt_entry_size to account for PLT size. ld/ChangeLog: PR 27746 testsuite/ld-or1k/or1k.exp (or1kplttests): Add tests for linking along with gotha() relocations. testsuite/ld-or1k/gotha1.dd: New file. testsuite/ld-or1k/gotha1.s: New file. testsuite/ld-or1k/gotha2.dd: New file. testsuite/ld-or1k/gotha2.s: New file testsuite/ld-or1k/pltlib.s (x): Define size to avoid link failure.
35 lines
1.2 KiB
Plaintext
35 lines
1.2 KiB
Plaintext
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.*\.x: file format elf32-or1k
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Disassembly of section \.plt:
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[0-9a-f]+ <\.plt>:
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+[0-9a-f]+: 19 80 00 00 l\.movhi r12,0x0
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+[0-9a-f]+: 85 ec [0-9a-f]+ [0-9a-f]+ l\.lwz r15,[0-9]+\(r12\)
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+[0-9a-f]+: 44 00 78 00 l\.jr r15
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+[0-9a-f]+: 85 8c [0-9a-f]+ [0-9a-f]+ l\.lwz r12,[0-9]+\(r12\)
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+[0-9a-f]+: 19 80 00 00 l\.movhi r12,0x0
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+[0-9a-f]+: 85 8c [0-9a-f]+ [0-9a-f]+ l\.lwz r12,[0-9]+\(r12\)
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+[0-9a-f]+: 44 00 60 00 l\.jr r12
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+[0-9a-f]+: a9 60 00 00 l\.ori r11,r0,0x0
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Disassembly of section \.text:
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[0-9a-f]+ <_start>:
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+[0-9a-f]+: 9c 21 ff fc l\.addi r1,r1,-4
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+[0-9a-f]+: d4 01 48 00 l\.sw 0\(r1\),r9
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+[0-9a-f]+: 04 00 00 02 l\.jal [0-9a-f]+ <_start\+0x10>
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+[0-9a-f]+: 1a 60 00 00 l\.movhi r19,0x0
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+[0-9a-f]+: aa 73 [0-9a-f]+ [0-9a-f]+ l\.ori r19,r19,0x[0-9a-f]+
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+[0-9a-f]+: e2 73 48 00 l\.add r19,r19,r9
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+[0-9a-f]+: 1a 20 00 00 l\.movhi r17,0x0
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+[0-9a-f]+: e2 31 98 00 l\.add r17,r17,r19
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+[0-9a-f]+: 86 31 00 10 l\.lwz r17,16\(r17\)
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+[0-9a-f]+: 84 71 00 00 l\.lwz r3,0\(r17\)
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+[0-9a-f]+: 07 ff ff f2 l\.jal [0-9a-f]+ <\.plt\+0x10>
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+[0-9a-f]+: 15 00 00 00 l\.nop 0x0
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+[0-9a-f]+: 85 21 00 00 l\.lwz r9,0\(r1\)
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+[0-9a-f]+: 44 00 48 00 l\.jr r9
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+[0-9a-f]+: 9c 21 00 04 l\.addi r1,r1,4
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