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Diffstat (limited to 'test/elf/Mips/rel-dynamic-01.test')
| -rw-r--r-- | test/elf/Mips/rel-dynamic-01.test | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/test/elf/Mips/rel-dynamic-01.test b/test/elf/Mips/rel-dynamic-01.test new file mode 100644 index 0000000000000..ca4619668bd20 --- /dev/null +++ b/test/elf/Mips/rel-dynamic-01.test @@ -0,0 +1,237 @@ +# REQUIRES: mips + +# Conditions: +# a) Linking a non-shared executable file. +# b) Relocations' targets are symbols defined in the shared object. +# Check: +# a) Emitting R_MIPS_REL32, R_MIPS_COPY, R_MIPS_JUMP_SLOT relocations. +# b) PLT entries creation. +# c) STO_MIPS_PLT flag in the dynamic symbol table for symbols require +# a pointer equality. +# +# RUN: yaml2obj -format=elf -docnum 1 %s > %t-so.o +# RUN: lld -flavor gnu -target mipsel -shared -o %t.so %t-so.o +# RUN: yaml2obj -format=elf -docnum 2 %s > %t-o.o +# RUN: lld -flavor gnu -target mipsel -e T0 -o %t.exe %t-o.o %t.so +# RUN: llvm-objdump -disassemble %t.exe | FileCheck -check-prefix=PLT %s +# RUN: llvm-readobj -dt -r %t.exe | FileCheck -check-prefix=PLT-SYM %s + +# PLT: Disassembly of section .plt: +# PLT-NEXT: .plt: +# PLT-NEXT: 4001f0: 40 00 1c 3c lui $gp, 64 +# PLT-NEXT: 4001f4: 00 20 99 8f lw $25, 8192($gp) +# PLT-NEXT: 4001f8: 00 20 9c 27 addiu $gp, $gp, 8192 +# PLT-NEXT: 4001fc: 23 c0 1c 03 subu $24, $24, $gp +# PLT-NEXT: 400200: 21 78 e0 03 move $15, $ra +# PLT-NEXT: 400204: 82 c0 18 00 srl $24, $24, 2 +# PLT-NEXT: 400208: 09 f8 20 03 jalr $25 +# PLT-NEXT: 40020c: fe ff 18 27 addiu $24, $24, -2 +# +# PLT-NEXT: 400210: 40 00 0f 3c lui $15, 64 +# PLT-NEXT: 400214: 08 20 f9 8d lw $25, 8200($15) +# PLT-NEXT: 400218: 08 00 20 03 jr $25 +# PLT-NEXT: 40021c: 08 20 f8 25 addiu $24, $15, 8200 +# +# PLT-NEXT: 400220: 40 00 0f 3c lui $15, 64 +# PLT-NEXT: 400224: 0c 20 f9 8d lw $25, 8204($15) +# PLT-NEXT: 400228: 08 00 20 03 jr $25 +# PLT-NEXT: 40022c: 0c 20 f8 25 addiu $24, $15, 8204 + +# PLT-SYM: Relocations [ +# PLT-SYM-NEXT: Section (5) .rel.dyn { +# PLT-SYM-NEXT: 0x402014 R_MIPS_REL32 T2 0x0 +# PLT-SYM-NEXT: 0x402014 R_MIPS_REL32 D2 0x0 +# PLT-SYM-NEXT: 0x402018 R_MIPS_COPY D1 0x0 +# PLT-SYM-NEXT: } +# PLT-SYM-NEXT: Section (6) .rel.plt { +# PLT-SYM-NEXT: 0x402008 R_MIPS_JUMP_SLOT T3 0x0 +# PLT-SYM-NEXT: 0x40200C R_MIPS_JUMP_SLOT T1 0x0 +# PLT-SYM-NEXT: } +# PLT-SYM-NEXT: ] + +# PLT-SYM: DynamicSymbols [ +# PLT-SYM-NEXT: Symbol { +# PLT-SYM-NEXT: Name: @ (0) +# PLT-SYM-NEXT: Value: 0x0 +# PLT-SYM-NEXT: Size: 0 +# PLT-SYM-NEXT: Binding: Local (0x0) +# PLT-SYM-NEXT: Type: None (0x0) +# PLT-SYM-NEXT: Other: 0 +# PLT-SYM-NEXT: Section: Undefined (0x0) +# PLT-SYM-NEXT: } +# PLT-SYM-NEXT: Symbol { +# PLT-SYM-NEXT: Name: D1@ (1) +# PLT-SYM-NEXT: Value: 0x402018 +# PLT-SYM-NEXT: Size: 4 +# PLT-SYM-NEXT: Binding: Global (0x1) +# PLT-SYM-NEXT: Type: Object (0x1) +# PLT-SYM-NEXT: Other: 0 +# PLT-SYM-NEXT: Section: .bss (0xD) +# PLT-SYM-NEXT: } +# PLT-SYM-NEXT: Symbol { +# PLT-SYM-NEXT: Name: T1@ (4) +# PLT-SYM-NEXT: Value: 0x400220 +# PLT-SYM-NEXT: Size: 0 +# PLT-SYM-NEXT: Binding: Global (0x1) +# PLT-SYM-NEXT: Type: Function (0x2) +# PLT-SYM-NEXT: Other: 8 +# PLT-SYM-NEXT: Section: Undefined (0x0) +# PLT-SYM-NEXT: } +# PLT-SYM-NEXT: Symbol { +# PLT-SYM-NEXT: Name: T3@ (10) +# PLT-SYM-NEXT: Value: 0x0 +# PLT-SYM-NEXT: Size: 0 +# PLT-SYM-NEXT: Binding: Global (0x1) +# PLT-SYM-NEXT: Type: Function (0x2) +# PLT-SYM-NEXT: Other: 0 +# PLT-SYM-NEXT: Section: Undefined (0x0) +# PLT-SYM-NEXT: } +# PLT-SYM-NEXT: Symbol { +# PLT-SYM-NEXT: Name: T2@ (7) +# PLT-SYM-NEXT: Value: 0x0 +# PLT-SYM-NEXT: Size: 0 +# PLT-SYM-NEXT: Binding: Global (0x1) +# PLT-SYM-NEXT: Type: Function (0x2) +# PLT-SYM-NEXT: Other: 0 +# PLT-SYM-NEXT: Section: Undefined (0x0) +# PLT-SYM-NEXT: } +# PLT-SYM-NEXT: Symbol { +# PLT-SYM-NEXT: Name: D2@ (13) +# PLT-SYM-NEXT: Value: 0x0 +# PLT-SYM-NEXT: Size: 4 +# PLT-SYM-NEXT: Binding: Global (0x1) +# PLT-SYM-NEXT: Type: Object (0x1) +# PLT-SYM-NEXT: Other: 0 +# PLT-SYM-NEXT: Section: Undefined (0x0) +# PLT-SYM-NEXT: } +# PLT-SYM-NEXT: ] + +# so.o +--- +FileHeader: + Class: ELFCLASS32 + Data: ELFDATA2LSB + Type: ET_REL + Machine: EM_MIPS + Flags: [EF_MIPS_PIC, EF_MIPS_CPIC, EF_MIPS_ABI_O32, EF_MIPS_ARCH_32] + +Sections: +- Name: .text + Type: SHT_PROGBITS + Size: 0x0C + AddressAlign: 16 + Flags: [SHF_EXECINSTR, SHF_ALLOC] + +- Name: .data + Type: SHT_PROGBITS + Size: 0x08 + AddressAlign: 16 + Flags: [SHF_WRITE, SHF_ALLOC] + +Symbols: + Global: + - Name: T1 + Section: .text + Type: STT_FUNC + Value: 0x0 + Size: 4 + - Name: T2 + Section: .text + Type: STT_FUNC + Value: 0x4 + Size: 4 + - Name: T3 + Section: .text + Type: STT_FUNC + Value: 0x8 + Size: 4 + - Name: D1 + Section: .data + Type: STT_OBJECT + Value: 0x0 + Size: 4 + - Name: D2 + Section: .data + Type: STT_OBJECT + Value: 0x4 + Size: 4 + +# o.o +--- +FileHeader: !FileHeader + Class: ELFCLASS32 + Data: ELFDATA2LSB + Type: ET_REL + Machine: EM_MIPS + Flags: [EF_MIPS_CPIC, EF_MIPS_ABI_O32, EF_MIPS_ARCH_32] + +Sections: +- Name: .text + Type: SHT_PROGBITS + Size: 0x08 + AddressAlign: 16 + Flags: [SHF_EXECINSTR, SHF_ALLOC] + +- Name: .data + Type: SHT_PROGBITS + Size: 0x08 + AddressAlign: 16 + Flags: [SHF_WRITE, SHF_ALLOC] + +- Name: .rel.text + Type: SHT_REL + Info: .text + AddressAlign: 4 + Relocations: + - Offset: 0x04 + Symbol: T3 + Type: R_MIPS_26 + +- Name: .rel.data + Type: SHT_REL + Info: .data + AddressAlign: 4 + Relocations: + - Offset: 0x00 + Symbol: T1 + Type: R_MIPS_HI16 + - Offset: 0x00 + Symbol: T1 + Type: R_MIPS_LO16 + - Offset: 0x04 + Symbol: T2 + Type: R_MIPS_32 + + - Offset: 0x04 + Symbol: D1 + Type: R_MIPS_HI16 + - Offset: 0x04 + Symbol: D1 + Type: R_MIPS_LO16 + - Offset: 0x04 + Symbol: D2 + Type: R_MIPS_32 + +Symbols: + Global: + - Name: T0 + Section: .text + Type: STT_FUNC + Value: 0x0 + Size: 8 + - Name: T1 + Type: STT_FUNC + - Name: T2 + Type: STT_FUNC + - Name: T3 + Type: STT_FUNC + - Name: D0 + Section: .data + Type: STT_OBJECT + Value: 0x0 + Size: 8 + - Name: D1 + Type: STT_OBJECT + - Name: D2 + Type: STT_OBJECT +... |