mirror of
https://sourceware.org/git/binutils-gdb.git
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70e65ca8e5
Fix a bug in commit a6ebf6169a ("MIPS: Convert cross-mode BAL to
JALX") and in BFD linker relaxation correct the microMIPS interpretation
of the branch offset, which is supposed to be shifted by 1 bit, rather
than 2 as in the regular MIPS case.
bfd/
* elfxx-mips.c (mips_elf_perform_relocation): Correct microMIPS
branch offset interpretation.
gas/
* testsuite/gas/mips/branch-addend-micromips.d: New test.
* testsuite/gas/mips/branch-addend-micromips-n32.d: New test.
* testsuite/gas/mips/branch-addend-micromips-n64.d: New test.
* testsuite/gas/mips/branch-addend-micromips.s: New test source.
* testsuite/gas/mips/mips.exp: Run the new tests.
ld/
* testsuite/ld-mips-elf/bal-jalx-addend-micromips.d: New test.
* testsuite/ld-mips-elf/bal-jalx-addend-micromips-n32.d: New
test.
* testsuite/ld-mips-elf/bal-jalx-addend-micromips-n64.d: New
test.
* testsuite/ld-mips-elf/bal-jalx-local-micromips.d: New test.
* testsuite/ld-mips-elf/bal-jalx-local-micromips-n32.d: New
test.
* testsuite/ld-mips-elf/bal-jalx-local-micromips-n64.d: New
test.
* testsuite/ld-mips-elf/bal-jalx-pic-micromips.d: New test.
* testsuite/ld-mips-elf/bal-jalx-pic-micromips-n32.d: New test.
* testsuite/ld-mips-elf/bal-jalx-pic-micromips-n64.d: New test.
* testsuite/ld-mips-elf/bal-jalx-pic-ignore-micromips.d: New
test.
* testsuite/ld-mips-elf/bal-jalx-pic-ignore-micromips-n32.d: New
test.
* testsuite/ld-mips-elf/bal-jalx-pic-ignore-micromips-n64.d: New
test.
* testsuite/ld-mips-elf/mips-elf.exp: Run the new tests.
23 lines
803 B
Makefile
23 lines
803 B
Makefile
#name: microMIPS BAL/JALX in PIC mode (ignore branch ISA)
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#source: ../../../gas/testsuite/gas/mips/branch-addend-micromips.s
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#as: -EB -32
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#ld: -EB -Ttext 0x1c000000 -e 0x1c000000 -shared --ignore-branch-isa
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#objdump: -dr --prefix-addresses --show-raw-insn
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.*: +file format .*mips.*
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Disassembly of section \.text:
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\.\.\.
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[0-9a-f]+ <[^>]*> 00000027 nor zero,zero,zero
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[0-9a-f]+ <[^>]*> 03e00009 jalr zero,ra
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[0-9a-f]+ <[^>]*> 00000027 nor zero,zero,zero
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[0-9a-f]+ <[^>]*> 00000000 nop
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[0-9a-f]+ <[^>]*> 0000 02d0 not zero,zero
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[0-9a-f]+ <[^>]*> 4060 7ff4 bal 0*1c011000 <.*>
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[0-9a-f]+ <[^>]*> 0000 02d0 not zero,zero
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[0-9a-f]+ <[^>]*> 4060 7ff8 bal 0*1c011010 <.*>
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[0-9a-f]+ <[^>]*> 0000 02d0 not zero,zero
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[0-9a-f]+ <[^>]*> 001f 0f3c jr ra
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[0-9a-f]+ <[^>]*> 0000 02d0 not zero,zero
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\.\.\.
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