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# Check microMIPS LA25 stubs creation when PIC code
# is called from non-PIC routines.
# Build executable from pic and non-pic code.
# RUN: yaml2obj -format=elf -docnum 1 %s > %t-npic.o
# RUN: yaml2obj -format=elf -docnum 2 %s > %t-pic.o
# RUN: yaml2obj -format=elf -docnum 3 %s > %t-main.o
# RUN: lld -flavor gnu -target mipsel -e glob -o %t.exe \
# RUN: %t-npic.o %t-pic.o %t-main.o
# RUN: llvm-readobj -t %t.exe | FileCheck -check-prefix=SYM %s
# RUN: llvm-objdump -s %t.exe | FileCheck -check-prefix=ASM %s
# SYM: Name: loc (13)
# SYM-NEXT: Value: 0x400135
# SYM: Name: T1N (1)
# SYM-NEXT: Value: 0x400111
# SYM: Name: T1 (5)
# SYM-NEXT: Value: 0x400121
# SYM: Name: glob (8)
# SYM-NEXT: Value: 0x400125
# ASM: Contents of section .text:
# ASM-NEXT: 400110 00000000 00000000 00000000 00000000
# ASM-NEXT: 400120 00000000 00000000 00000000 10f04900
# 0x100049 << 2 == 0x400125 (jalx glob) --^
# ASM-NEXT: 400130 00000000 20f49200 00000000 20f48800
# ^-- 0x100049 << 2 == 0x400124 (jal glob)
# 0x100044 << 2 == 0x400110 (jal T1N) --^
# ASM-NEXT: 400140 00000000 20f4a800 00000000 00000000
# ^-- 0x100054 << 2 == 0x400150 (jal T1 stub)
# ASM-NEXT: 400150 b9414000 20d49000 39332101 00000000
# ^-- j 0x400120 (T1)
# npic.o
---
FileHeader:
Class: ELFCLASS32
Data: ELFDATA2LSB
Type: ET_REL
Machine: EM_MIPS
Flags: [ EF_MIPS_ABI_O32, EF_MIPS_ARCH_32R2,
EF_MIPS_CPIC, EF_MIPS_MICROMIPS ]
Sections:
- Name: .text
Type: SHT_PROGBITS
Size: 0x04
AddressAlign: 16
Flags: [SHF_EXECINSTR, SHF_ALLOC]
Symbols:
Global:
- Name: T1N
Section: .text
Type: STT_FUNC
Value: 0x0
Size: 4
Other: [ STO_MIPS_MICROMIPS ]
# pic.o
---
FileHeader:
Class: ELFCLASS32
Data: ELFDATA2LSB
Type: ET_REL
Machine: EM_MIPS
Flags: [ EF_MIPS_ABI_O32, EF_MIPS_ARCH_32R2,
EF_MIPS_CPIC, EF_MIPS_PIC, EF_MIPS_MICROMIPS ]
Sections:
- Name: .text
Type: SHT_PROGBITS
Size: 0x04
AddressAlign: 16
Flags: [SHF_EXECINSTR, SHF_ALLOC]
Symbols:
Global:
- Name: T1
Section: .text
Type: STT_FUNC
Value: 0x0
Size: 4
Other: [ STO_MIPS_MICROMIPS ]
# main.o
---
FileHeader:
Class: ELFCLASS32
Data: ELFDATA2LSB
Type: ET_REL
Machine: EM_MIPS
Flags: [ EF_MIPS_ABI_O32, EF_MIPS_ARCH_32R2,
EF_MIPS_CPIC, EF_MIPS_MICROMIPS ]
Sections:
- Name: .text
Type: SHT_PROGBITS
Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
AddressAlign: 0x04
Content: '000000000000000000f400000000000000f400000000000000f400000000000000f4000000000000'
# jal loc jal glob jal T1N jal T1
- Name: .rel.text
Type: SHT_REL
Link: .symtab
AddressAlign: 0x04
Info: .text
Relocations:
- Offset: 0x08
Symbol: .text
Type: R_MICROMIPS_26_S1
- Offset: 0x10
Symbol: glob
Type: R_MICROMIPS_26_S1
- Offset: 0x18
Symbol: T1N
Type: R_MICROMIPS_26_S1
- Offset: 0x20
Symbol: T1
Type: R_MICROMIPS_26_S1
Symbols:
Local:
- Name: loc
Section: .text
Value: 0x10
Size: 0x18
Other: [ STO_MIPS_MICROMIPS ]
- Name: .text
Type: STT_SECTION
Section: .text
Global:
- Name: glob
Section: .text
Size: 0x10
Other: [ STO_MIPS_MICROMIPS ]
- Name: T1
- Name: T1N
...
|
