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Complement commit 88a7ef1689 ("MIPS16/GAS: Restore unsupported
relocation diagnostics") and also propagate constant expressions, either
already reduced from absolute symbol references or created from literals
in the first place, used as a PC-relative operand with the MIPS16 LA,
LW, DLA and LD synthetic instructions to relaxation, matching the way
forward absolute symbol references have been handled as from the commit
referred and letting relaxation produce any necessary relocations, if
possible, for the absolute value requested to be reproduced at the run
time.
Call `symbol_append' for any expression symbol created for the purpose
of MIPS16 relaxation as with constant expressions now propagated from
earlier on such symbols may make it through and have R_MIPS16_PC16_S1
relocations emitted against, and therefore need to appear in the symbol
table produced.
gas/
* config/tc-mips.c (append_insn): Call `symbol_append' for any
expression symbol created for MIPS16 relaxation.
(match_mips16_insn): Don't encode a constant value as an
immediate with a PC-relative operand.
* testsuite/gas/mips/mips16-pcrel-absolute-1.d: New test.
* testsuite/gas/mips/mips16-branch-absolute-1.d: New test.
* testsuite/gas/mips/mips16-branch-absolute-2.d: New test.
* testsuite/gas/mips/mips16-branch-absolute-addend-1.d: New
test.
* testsuite/gas/mips/mips16-branch-absolute-n32-1.d: New test.
* testsuite/gas/mips/mips16-branch-absolute-n32-2.d: New test.
* testsuite/gas/mips/mips16-branch-absolute-addend-n32-1.d: New
test.
* testsuite/gas/mips/mips16-branch-absolute-n64-1.d: New test.
* testsuite/gas/mips/mips16-branch-absolute-n64-2.d: New test.
* testsuite/gas/mips/mips16-branch-absolute-addend-n64-1.d: New
test.
* testsuite/gas/mips/mips16-pcrel-absolute-1.l: New stderr
output.
* testsuite/gas/mips/mips16-pcrel-absolute-1.s: New test source.
* testsuite/gas/mips/mips16-branch-absolute-1.s: New test
source.
* testsuite/gas/mips/mips16-branch-absolute-2.s: New test
source.
* testsuite/gas/mips/mips16-branch-absolute-addend-1.s: New test
source.
* testsuite/gas/mips/mips.exp: Run the new tests.
ld/
* testsuite/ld-mips-elf/mips16-branch-absolute-1.d: New test.
* testsuite/ld-mips-elf/mips16-branch-absolute-2.d: New test.
* testsuite/ld-mips-elf/mips16-branch-absolute-addend-1.d: New
test.
* testsuite/ld-mips-elf/mips16-branch-absolute-n32-1.d: New
test.
* testsuite/ld-mips-elf/mips16-branch-absolute-n32-2.d: New
test.
* testsuite/ld-mips-elf/mips16-branch-absolute-addend-n32-1.d:
New test.
* testsuite/ld-mips-elf/mips16-branch-absolute-n64-1.d: New
test.
* testsuite/ld-mips-elf/mips16-branch-absolute-n64-2.d: New
test.
* testsuite/ld-mips-elf/mips16-branch-absolute-addend-n64-1.d:
New test.
* testsuite/ld-mips-elf/mips-elf.exp: Run the new tests.
7 lines
296 B
Makefile
7 lines
296 B
Makefile
#objdump: -dr --prefix-addresses --show-raw-insn
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#name: MIPS16 link branch to absolute expression with addend 1 (n32)
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#source: ../../../gas/testsuite/gas/mips/mips16-branch-absolute-addend-1.s
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#as: -EB -n32 -march=from-abi
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#ld: -EB -Ttext 0x12340000 -e foo
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#dump: mips16-branch-absolute-addend.d
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