133 lines
3.7 KiB
Plaintext
133 lines
3.7 KiB
Plaintext
# REQUIRES: mips
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# Check handling of R_MIPS_26 relocation.
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# Build shared library
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# RUN: yaml2obj -format=elf -docnum 1 %s > %t-so.o
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# RUN: lld -flavor gnu -target mipsel -shared -o %t.so %t-so.o
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# Build executable
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# RUN: yaml2obj -format=elf -docnum 2 %s > %t-o.o
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# RUN: llvm-readobj -relocations %t-o.o | \
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# RUN: FileCheck -check-prefix=OBJ-REL %s
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# RUN: lld -flavor gnu -target mipsel -e glob -o %t.exe %t-o.o %t.so
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# RUN: llvm-objdump -section-headers -disassemble %t.exe | \
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# RUN: FileCheck -check-prefix=EXE %s
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# RUN: llvm-readobj -relocations %t.exe | FileCheck -check-prefix=EXE-REL %s
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# Object file has three R_MIPS_26 relocations
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# OBJ-REL: Relocations [
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# OBJ-REL-NEXT: Section (2) .rel.text {
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# OBJ-REL-NEXT: 0x8 R_MIPS_26 .text 0x0
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# OBJ-REL-NEXT: 0x10 R_MIPS_26 glob 0x0
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# OBJ-REL-NEXT: 0x18 R_MIPS_26 T1 0x0
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# OBJ-REL-NEXT: }
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# OBJ-REL-NEXT: ]
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# Executable file has the only relocation for external symbol
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# EXE-REL: Relocations [
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# EXE-REL-NEXT: Section (5) .rel.plt {
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# EXE-REL-NEXT: 0x402008 R_MIPS_JUMP_SLOT T1 0x0
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# EXE-REL-NEXT: }
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# EXE-REL-NEXT: ]
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# EXE: Disassembly of section .plt:
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# EXE: .plt:
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# PLTA entry. Points to the .got.plt[1]
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# EXE: 400190: 40 00 0f 3c lui $15, 64
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# EXE-NEXT: 400194: 08 20 f9 8d lw $25, 8200($15)
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# EXE-NEXT: 400198: 08 00 20 03 jr $25
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# EXE-NEXT: 40019c: 08 20 f8 25 addiu $24, $15, 8200
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# EXE: Disassembly of section .text:
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# EXE: glob:
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# EXE-NEXT: 4001a0: 09 f8 20 03 jalr $25
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# EXE-NEXT: 4001a4: 00 00 00 00 nop
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#
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# Jump to 'loc' label address
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# EXE-NEXT: 4001a8: 6c 00 10 0c jal 4194736
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# EXE-NEXT: 4001ac: 00 00 00 00 nop
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#
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# EXE: loc:
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# Jump to 'glob' label address
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# EXE-NEXT: 4001b0: 68 00 10 0c jal 4194720
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# EXE-NEXT: 4001b4: 00 00 00 00 nop
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#
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# Jump to the first PLT entry (.plt + 32) for T1 entry
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# EXE-NEXT: 4001b8: 64 00 10 0c jal 4194704
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# EXE-NEXT: 4001bc: 00 00 00 00 nop
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# EXE: Sections:
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# EXE: Idx Name Size Address Type
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# EXE: 6 .plt 00000030 0000000000400170 TEXT DATA
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# EXE: 10 .got.plt 0000000c 0000000000402000 DATA
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# so.o
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---
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FileHeader:
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Class: ELFCLASS32
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Data: ELFDATA2LSB
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Type: ET_REL
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Machine: EM_MIPS
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Flags: [EF_MIPS_PIC, EF_MIPS_CPIC, EF_MIPS_ABI_O32, EF_MIPS_ARCH_32]
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Sections:
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- Name: .text
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Type: SHT_PROGBITS
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Size: 0x0C
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AddressAlign: 16
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Flags: [SHF_EXECINSTR, SHF_ALLOC]
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Symbols:
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Global:
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- Name: T1
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Section: .text
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Type: STT_FUNC
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Value: 0x0
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Size: 4
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# o.o
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---
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FileHeader:
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Class: ELFCLASS32
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Data: ELFDATA2LSB
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Type: ET_REL
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Machine: EM_MIPS
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Flags: [ EF_MIPS_CPIC, EF_MIPS_ABI_O32, EF_MIPS_ARCH_32 ]
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Sections:
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- Name: .text
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Type: SHT_PROGBITS
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Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
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AddressAlign: 0x04
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Content: '09F82003000000000400000C000000000000000C000000000000000C00000000'
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- Name: .rel.text
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Type: SHT_REL
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Link: .symtab
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AddressAlign: 0x04
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Info: .text
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Relocations:
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- Offset: 0x08
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Symbol: .text
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Type: R_MIPS_26
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- Offset: 0x10
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Symbol: glob
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Type: R_MIPS_26
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- Offset: 0x18
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Symbol: T1
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Type: R_MIPS_26
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Symbols:
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Local:
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- Name: loc
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Section: .text
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Value: 0x10
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- Name: .text
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Type: STT_SECTION
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Section: .text
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Global:
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- Name: glob
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Section: .text
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- Name: T1
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...
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