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[ELF][MIPS] Revert r264761 and add test case to demonstrate the problem
If we make R_MIPS_LO16 a relative relocation, linker: - never creates R_MIPS_COPY relocation for it - attempts to create R_MIPS_REL32 dynamic relocation if R_MIPS_LO16's target is a preemptible symbol Differential Revision: http://reviews.llvm.org/D18607 llvm-svn: 264956
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Original file line number | Diff line number | Diff line change |
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# Check that R_MIPS_LO16 relocation is handled as non-relative, | ||
# and if a target symbol is a DSO data symbol, LLD create a copy | ||
# relocation. | ||
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# RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux \ | ||
# RUN: %S/Inputs/mips-dynamic.s -o %t.so.o | ||
# RUN: ld.lld %t.so.o -shared -o %t.so | ||
# RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux %s -o %t.o | ||
# RUN: ld.lld %t.o %t.so -o %t.exe | ||
# RUN: llvm-readobj -r %t.exe | FileCheck %s | ||
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# REQUIRES: mips | ||
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# CHECK: Relocations [ | ||
# CHECK-NEXT: Section (7) .rel.dyn { | ||
# CHECK-NEXT: 0x{{[0-9A-F]+}} R_MIPS_COPY data0 0x0 | ||
# CHECK-NEXT: } | ||
# CHECK-NEXT: ] | ||
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.text | ||
.global __start | ||
__start: | ||
addi $t0, $t0, %lo(data0) |