71 lines
2.0 KiB
Plaintext
71 lines
2.0 KiB
Plaintext
# Check handling of R_MIPS_PCHI16 / R_MIPS_PCLO16 relocations.
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# RUN: yaml2obj -format=elf %s > %t.o
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# RUN: lld -flavor old-gnu -target mipsel -e T0 -o %t.exe %t.o
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# RUN: llvm-objdump -s -t %t.exe | FileCheck %s
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# CHECK: Contents of section .text:
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# CHECK-NEXT: {{[0-9A-F]+}} 01000000 02000000 03000000 00000000
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# ^
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# A = 0x10000 - 1 == 0xffff
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# V = (T1 + 0xffff - T0) >> 16 =>
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# V => 0x1000b >> 16 = 1
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# ^
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# A = 0x20000 - 1 == 0x1ffff
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# V = (T1 + 0x1ffff - T0 - 4) >> 16 =>
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# V => 0x20007 >> 16 = 2
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# ^
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# A = 0xffff == -1
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# V = T1 - 1 - T0 - 8 = 3
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# CHECK: SYMBOL TABLE:
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# CHECK: {{[0-9a-f]+}} g F .text 0000000c T0
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# CHECK: {{[0-9a-f]+}} g F .text 00000004 T1
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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_32R6]
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Sections:
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- Name: .text
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Type: SHT_PROGBITS
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Content: "0100000002000000ffff000000000000"
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# ^ T0
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# ^ A := 0x1 == 0x10000
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# ^ A := 0x2 == 0x20000
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# ^ A := 0xffff == -1
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# ^ T1
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AddressAlign: 16
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Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
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- Name: .rel.text
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Type: SHT_REL
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Info: .text
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AddressAlign: 4
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Relocations:
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- Offset: 0
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Symbol: T1
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Type: R_MIPS_PCHI16
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- Offset: 4
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Symbol: T1
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Type: R_MIPS_PCHI16
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- Offset: 8
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Symbol: T1
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Type: R_MIPS_PCLO16
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Symbols:
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Global:
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- Name: T0
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Section: .text
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Type: STT_FUNC
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Value: 0
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Size: 12
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- Name: T1
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Section: .text
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Type: STT_FUNC
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Value: 12
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Size: 4
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