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Mips direct object exception handling regression
Revision 177141 caused a regression in all but mips64 little endian. That is because none of the other Mips targets had test cases checking the contents of the .eh_frame section. This patch fixes both the llvm code and adds an assembler test case to include the current 4 flavors. The test cases unfortunately rely on llvm-objdump. A preferable method would be to use a pretty printer output such as what readelf -wf <elf_file> would give. I also changed the name of the test case to correct a typo. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178506 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jack Carter
parent
08001a5a15
commit
732f4bc7c4
@ -1634,6 +1634,63 @@ error_code ELFObjectFile<ELFT>::getRelocationTypeName(
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res = "Unknown";
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}
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break;
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case ELF::EM_MIPS:
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switch (type) {
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_NONE);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_16);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_32);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_REL32);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_26);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_HI16);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_LO16);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_GPREL16);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_LITERAL);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_GOT16);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_PC16);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_CALL16);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_GPREL32);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_SHIFT5);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_SHIFT6);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_64);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_GOT_DISP);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_GOT_PAGE);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_GOT_OFST);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_GOT_HI16);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_GOT_LO16);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_SUB);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_INSERT_A);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_INSERT_B);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_DELETE);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_HIGHER);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_HIGHEST);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_CALL_HI16);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_CALL_LO16);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_SCN_DISP);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_REL16);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_ADD_IMMEDIATE);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_PJUMP);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_RELGOT);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_JALR);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_TLS_DTPMOD32);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_TLS_DTPREL32);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_TLS_DTPMOD64);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_TLS_DTPREL64);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_TLS_GD);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_TLS_LDM);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_TLS_DTPREL_HI16);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_TLS_DTPREL_LO16);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_TLS_GOTTPREL);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_TLS_TPREL32);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_TLS_TPREL64);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_TLS_TPREL_HI16);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_TLS_TPREL_LO16);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_GLOB_DAT);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_COPY);
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_JUMP_SLOT);
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default:
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res = "Unknown";
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}
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break;
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case ELF::EM_AARCH64:
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switch (type) {
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LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_NONE);
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@ -223,9 +223,10 @@ void MCObjectFileInfo::InitMachOMCObjectFileInfo(Triple T) {
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}
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void MCObjectFileInfo::InitELFMCObjectFileInfo(Triple T) {
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// FIXME: Check this. Mips64el is using the base values, which is most likely
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// incorrect.
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if (T.getArch() != Triple::mips64el)
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if (T.getArch() != Triple::mips &&
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T.getArch() != Triple::mipsel &&
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T.getArch() != Triple::mips64 &&
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T.getArch() != Triple::mips64el )
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FDECFIEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4;
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if (T.getArch() == Triple::x86) {
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46
test/MC/Mips/eh-frame.s
Normal file
46
test/MC/Mips/eh-frame.s
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@ -0,0 +1,46 @@
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// Assembler generated object test.
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// This tests .eh_frame descriptors minimally.
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// What we really need is a prettyprinter output check not unlike what
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// gnu's readobj generates instead of checking the bits for .eh_frame.
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// RUN: llvm-mc -filetype=obj -mcpu=mips32r2 -triple mipsel-unknown-linux -arch=mipsel %s -o - \
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// RUN: | llvm-objdump -s - | FileCheck -check-prefix=CHECK-LEO32 %s
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// RUN: llvm-mc -filetype=obj -mcpu=mips32r2 -triple mips-unknown-linux -arch=mips %s -o - \
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// RUN: | llvm-objdump -s - | FileCheck -check-prefix=CHECK-BEO32 %s
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// RUN: llvm-mc -filetype=obj -mcpu=mips64r2 -mattr=n64 -arch=mips64el %s -o - \
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// RUN: | llvm-objdump -s - | FileCheck -check-prefix=CHECK-LE64 %s
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// RUN: llvm-mc -filetype=obj -mcpu=mips64r2 -mattr=n64 -arch=mips64 %s -o - \
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// RUN: | llvm-objdump -s - | FileCheck -check-prefix=CHECK-BE64 %s
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// O32 little endian
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// CHECK-LEO32: Contents of section .eh_frame:
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// CHECK-LEO32-NEXT: 0000 10000000 00000000 017a5200 017c1f01 .........zR..|..
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// CHECK-LEO32-NEXT: 0010 000c1d00 10000000 18000000 00000000 ................
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// CHECK-LEO32-NEXT: 0020 00000000 00000000 ........
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// O32 big endian
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// CHECK-BEO32: Contents of section .eh_frame:
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// CHECK-BEO32-NEXT 0000 00000010 00000000 017a5200 017c1f01 .........zR..|..
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// CHECK-BEO32-NEXT 0010 000c1d00 00000010 00000018 00000000 ................
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// CHECK-BEO32-NEXT 0020 00000000 00000000 ........
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// N64 little endian
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// CHECK-LE64: Contents of section .eh_frame:
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// CHECK-LE64-NEXT: 0000 10000000 00000000 017a5200 01781f01 .........zR..x..
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// CHECK-LE64-NEXT: 0010 000c1d00 18000000 18000000 00000000 ................
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// CHECK-LE64-NEXT: 0020 00000000 00000000 00000000 00000000 ................
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// N64 big endian
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// CHECK-BE64: Contents of section .eh_frame:
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// CHECK-BE64-NEXT: 0000 00000010 00000000 017a5200 01781f01 .........zR..x..
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// CHECK-BE64-NEXT: 0010 000c1d00 00000018 00000018 00000000 ................
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// CHECK-BE64-NEXT: 0020 00000000 00000000 00000000 00000000 ................
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func:
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.cfi_startproc
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.cfi_endproc
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21
test/MC/Mips/fde-reloc.s
Normal file
21
test/MC/Mips/fde-reloc.s
Normal file
@ -0,0 +1,21 @@
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// This just tests that a relocation of the specified type shows up as the first
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// relocation in the relocation section for .eh_frame when produced by the
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// assembler.
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// RUN: llvm-mc -filetype=obj %s -o - -triple mips-unknown-unknown | \
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// RUN: llvm-objdump -r - | FileCheck --check-prefix=MIPS32 %s
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// RUN: llvm-mc -filetype=obj %s -o - -triple mips64-unknown-unknown | \
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// RUN: llvm-objdump -r - | FileCheck --check-prefix=MIPS64 %s
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// PR15448
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func:
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.cfi_startproc
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.cfi_endproc
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// MIPS32: RELOCATION RECORDS FOR [.eh_frame]:
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// MIPS32-NEXT: R_MIPS_32
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// MIPS64: RELOCATION RECORDS FOR [.eh_frame]:
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// MIPS64-NEXT: R_MIPS_64
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