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[mips64][mcjit] Add N64R6 relocations tests and fix N64R2 tests

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This patch adds a test for MIPS64R6 relocations, it corrects check
expressions for R_MIPS_26 and R_MIPS_PC16 relocations in MIPS64R2 test, and
it adds run for big endian in MIPS64R2 test.

Patch by Vladimir Radosavljevic.

Differential Revision: http://reviews.llvm.org/D11217

llvm-svn: 246311
This commit is contained in:
Petar Jovanovic 2015-08-28 18:02:53 +00:00
parent 8b0583ef1b
commit 207a191a98
3 changed files with 62 additions and 4 deletions
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4
llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp
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@ -684,11 +684,11 @@ RuntimeDyldELF::evaluateMIPS64Relocation(const SectionEntry &Section,
}
case ELF::R_MIPS_PC18_S3: {
uint64_t FinalAddress = (Section.LoadAddress + Offset);
return ((Value + Addend - ((FinalAddress | 7) ^ 7)) >> 3) & 0x3ffff;
return ((Value + Addend - (FinalAddress & ~0x7)) >> 3) & 0x3ffff;
}
case ELF::R_MIPS_PC19_S2: {
uint64_t FinalAddress = (Section.LoadAddress + Offset);
return ((Value + Addend - FinalAddress) >> 2) & 0x7ffff;
return ((Value + Addend - (FinalAddress & ~0x3)) >> 2) & 0x7ffff;
}
case ELF::R_MIPS_PC21_S2: {
uint64_t FinalAddress = (Section.LoadAddress + Offset);

8
llvm/test/ExecutionEngine/RuntimeDyld/Mips/ELF_Mips64r2N64_PIC_relocations.s
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@ -2,6 +2,10 @@
# RUN: llc -mtriple=mips64el-unknown-linux -relocation-model=pic -filetype=obj -o %T/test_ELF_ExternalFunction_Mips64N64.o %S/Inputs/ExternalFunction.ll
# RUN: llvm-rtdyld -triple=mips64el-unknown-linux -verify -map-section test_ELF_Mips64N64.o,.text=0x1000 -map-section test_ELF_ExternalFunction_Mips64N64.o,.text=0x10000 -check=%s %/T/test_ELF_Mips64N64.o %T/test_ELF_ExternalFunction_Mips64N64.o
# RUN: llvm-mc -triple=mips64-unknown-linux -relocation-model=pic -code-model=small -filetype=obj -o %T/test_ELF_Mips64N64.o %s
# RUN: llc -mtriple=mips64-unknown-linux -relocation-model=pic -filetype=obj -o %T/test_ELF_ExternalFunction_Mips64N64.o %S/Inputs/ExternalFunction.ll
# RUN: llvm-rtdyld -triple=mips64-unknown-linux -verify -map-section test_ELF_Mips64N64.o,.text=0x1000 -map-section test_ELF_ExternalFunction_Mips64N64.o,.text=0x10000 -check=%s %/T/test_ELF_Mips64N64.o %T/test_ELF_ExternalFunction_Mips64N64.o
.data
# Test R_MIPS_PC32 relocation.
# rtdyld-check: *{4}(R_MIPS_PC32) = (foo - R_MIPS_PC32)[31:0]
@ -39,7 +43,7 @@ bar:
sd $4, 8($fp)
# Test R_MIPS_26 relocation.
# rtdyld-check: decode_operand(insn1, 0)[25:0] = foo
# rtdyld-check: decode_operand(insn1, 0)[27:0] = foo[27:0]
insn1:
.option pic0
jal foo
@ -47,7 +51,7 @@ insn1:
nop
# Test R_MIPS_PC16 relocation.
# rtdyld-check: decode_operand(insn2, 1)[15:0] = foo - insn2
# rtdyld-check: decode_operand(insn2, 1)[17:0] = (foo - insn2)[17:0]
insn2:
bal foo
nop

54
llvm/test/ExecutionEngine/RuntimeDyld/Mips/ELF_N64R6_relocations.s Normal file
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@ -0,0 +1,54 @@
# RUN: llvm-mc -triple=mips64el-unknown-linux -mcpu=mips64r6 -relocation-model=pic -code-model=small -filetype=obj -o %T/test_ELF_N64R6.o %s
# RUN: llc -mtriple=mips64el-unknown-linux -mcpu=mips64r6 -relocation-model=pic -filetype=obj -o %T/test_ELF_ExternalFunction_N64R6.o %S/Inputs/ExternalFunction.ll
# RUN: llvm-rtdyld -triple=mips64el-unknown-linux -mcpu=mips64r6 -verify -map-section test_ELF_N64R6.o,.text=0x1000 -map-section test_ELF_ExternalFunction_N64R6.o,.text=0x10000 -check=%s %/T/test_ELF_N64R6.o %T/test_ELF_ExternalFunction_N64R6.o
# RUN: llvm-mc -triple=mips64-unknown-linux -mcpu=mips64r6 -relocation-model=pic -code-model=small -filetype=obj -o %T/test_ELF_N64R6.o %s
# RUN: llc -mtriple=mips64-unknown-linux -mcpu=mips64r6 -relocation-model=pic -filetype=obj -o %T/test_ELF_ExternalFunction_N64R6.o %S/Inputs/ExternalFunction.ll
# RUN: llvm-rtdyld -triple=mips64-unknown-linux -mcpu=mips64r6 -verify -map-section test_ELF_N64R6.o,.text=0x1000 -map-section test_ELF_ExternalFunction_N64R6.o,.text=0x10000 -check=%s %/T/test_ELF_N64R6.o %T/test_ELF_ExternalFunction_N64R6.o
.text
.abicalls
.nan 2008
.text
.set nomicromips
.set nomips16
.set noreorder
.set nomacro
.set noat
.align 3
.globl bar
.type bar,@function
bar:
# Test R_MIPS_PC18_S3 relocation.
# rtdyld-check: decode_operand(R_MIPS_PC18_S3, 1)[20:0] = (foo - R_MIPS_PC18_S3)[20:0]
R_MIPS_PC18_S3:
ldpc $6,foo
# Test R_MIPS_PC19_S2 relocation.
# rtdyld-check: decode_operand(R_MIPS_PC19_S2, 1)[20:0] = (foo - R_MIPS_PC19_S2)[20:0]
R_MIPS_PC19_S2:
lwpc $6,foo
# Test R_MIPS_PC21_S2 relocation.
# rtdyld-check: decode_operand(R_MIPS_PC21_S2, 1)[22:0] = (foo - next_pc(R_MIPS_PC21_S2))[22:0]
R_MIPS_PC21_S2:
bnezc $5,foo
# Test R_MIPS_PC26_S2 relocation.
# rtdyld-check: decode_operand(R_MIPS_PC26_S2, 0)[27:0] = (foo - next_pc(R_MIPS_PC26_S2))[27:0]
R_MIPS_PC26_S2:
balc foo
# Test R_MIPS_PCHI16 relocation.
# rtdyld-check: decode_operand(R_MIPS_PCHI16, 1)[15:0] = (foo - R_MIPS_PCHI16 + 0x8000)[31:16]
R_MIPS_PCHI16:
aluipc $5, %pcrel_hi(foo)
# Test R_MIPS_PCLO16 relocation.
# rtdyld-check: decode_operand(R_MIPS_PCLO16, 2)[15:0] = (foo - R_MIPS_PCLO16)[15:0]
R_MIPS_PCLO16:
addiu $5, $5, %pcrel_lo(foo)
.size bar, .-bar