# REQUIRES: mips # Conditions: # a) Linking a non-shared executable file. # b) Relocations' target is a symbol defined in the shared object. # c) The target symbol is referenced by both branch (R_MICROMIPS_26_S1) # and regular (R_MIPS_32) relocations. # Check: # a) There should be no R_MIPS_REL32 relocation. # b) Linker creates a single PLT entry. # 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 -d -mattr=micromips %t.exe | FileCheck -check-prefix=DIS %s # RUN: llvm-readobj -dt -r %t.exe | FileCheck -check-prefix=PLT-SYM %s # DIS: Disassembly of section .plt: # DIS-NEXT: .plt: # DIS-NEXT: 400170: 80 79 a4 07 addiupc $3, 7824 # DIS-NEXT: 400174: 23 ff 00 00 lw $25, 0($3) # DIS-NEXT: 400178: 35 05 subu16 $2, $2, $3 # DIS-NEXT: 40017a: 25 25 srl16 $2, $2, 2 # DIS-NEXT: 40017c: 02 33 fe ff addiu $24, $2, -2 # DIS-NEXT: 400180: ff 0d move $15, $ra # DIS-NEXT: 400182: f9 45 jalrs16 $25 # DIS-NEXT: 400184: 83 0f move $gp, $3 # DIS-NEXT: 400186: 00 0c nop # DIS-NEXT: 400188: 00 79 a0 07 addiupc $2, 7808 # DIS-NEXT: 40018c: 22 ff 00 00 lw $25, 0($2) # DIS-NEXT: 400190: 99 45 jr16 $25 # DIS-NEXT: 400192: 02 0f move $24, $2 # PLT-SYM: Relocations [ # PLT-SYM-NEXT: Section (5) .rel.plt { # PLT-SYM-NEXT: 0x402008 R_MIPS_JUMP_SLOT T1 0x0 # PLT-SYM-NEXT: } # PLT-SYM-NEXT: ] # PLT-SYM: Name: T1@ (1) # PLT-SYM-NEXT: Value: 0x400189 # 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) # 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_32R2, EF_MIPS_MICROMIPS] Sections: - Name: .text Type: SHT_PROGBITS Size: 0x0C AddressAlign: 16 Flags: [SHF_EXECINSTR, SHF_ALLOC] Symbols: Global: - Name: T1 Section: .text Type: STT_FUNC Value: 0x0 Size: 4 Other: [ STO_MIPS_MICROMIPS ] # 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_32R2, EF_MIPS_MICROMIPS] 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: T1 Type: R_MICROMIPS_26_S1 - Name: .rel.data Type: SHT_REL Info: .data AddressAlign: 4 Relocations: - Offset: 0x04 Symbol: T1 Type: R_MIPS_32 Symbols: Global: - Name: T0 Section: .text Type: STT_FUNC Value: 0x0 Size: 8 Other: [ STO_MIPS_MICROMIPS ] - Name: T1 Type: STT_FUNC - Name: D0 Section: .data Type: STT_OBJECT Value: 0x0 Size: 8 ...