diff --git a/llvm/test/tools/llvm-dwarfdump/RISCV/lit.local.cfg b/llvm/test/tools/llvm-dwarfdump/RISCV/lit.local.cfg new file mode 100644 --- /dev/null +++ b/llvm/test/tools/llvm-dwarfdump/RISCV/lit.local.cfg @@ -0,0 +1,2 @@ +if not 'RISCV' in config.root.targets: + config.unsupported = True diff --git a/llvm/test/tools/llvm-dwarfdump/RISCV/riscv-relocs.yaml b/llvm/test/tools/llvm-dwarfdump/RISCV/riscv-relocs.yaml new file mode 100644 --- /dev/null +++ b/llvm/test/tools/llvm-dwarfdump/RISCV/riscv-relocs.yaml @@ -0,0 +1,192 @@ +# Tests RISC-V relocations. We provide a .debug_info section with multiple +# DW_AT_high_pc entries (that's one of the attributes for which relocations are +# resolved by llvm-dwarfdump) and we add a relocation for each of them. +# +# RUN: yaml2obj %s | llvm-dwarfdump - | FileCheck %s + +# To add more tests you need to modify the Content of the .debug_abbrev and +# .debug_info sections. To do that create a test.s which matches the assembly +# code below, run the command that follows and copy over the "Content" value of +# the respective sections: +# +# ``` +# $ cat test.s +# .section .debug_abbrev,"",@progbits +# .byte 1 # Abbreviation Code +# .byte 0x11 # DW_TAG_compile_unit +# .byte 0 # DW_CHILDREN_no +# +# # Add a DW_AT_high_pc for each relocation we test. +# .rept 14 # (UPDATE HERE) +# .byte 0x12 # DW_AT_high_pc +# .byte 0x01 # DW_FORM_addr +# .endr +# +# .byte 0 # EOM(1) +# .byte 0 # EOM(2) +# .byte 0 # EOM(3) +# +# .section .debug_info,"",@progbits +# .4byte 2+4+1+1+8*14 # Length of Unit (UPDATE HERE) +# .2byte 4 # DWARF version number +# .4byte .debug_abbrev # Offset Into Abbrev. Section +# .byte 8 # Address Size (in bytes) +# .byte 1 # Abbrev 1 +# .8byte 0x00000000000042 # Test 1 +# .8byte 0x00000000000042 # Test 2 +# .8byte 0x00000000000042 # Test 3 +# .8byte 0x00000000000042 # Test 4 +# .8byte 0x00000000000042 # Test 5 +# .8byte 0x00000000000042 # Test 6 +# .8byte 0x00000000000042 # Test 7 +# .8byte 0x00000000000042 # Test 8 +# .8byte 0x00000000004242 # Test 9 +# .8byte 0x00000000004242 # Test 10 +# .8byte 0x00000042424242 # Test 11 +# .8byte 0x00000042424242 # Test 12 +# .8byte 0x42424242424242 # Test 13 +# .8byte 0x42424242424242 # Test 14 +# $ llvm-mc test.s -filetype obj -triple riscv64 -o - | obj2yaml +# ``` + +--- !ELF +FileHeader: + Class: ELFCLASS64 + Data: ELFDATA2LSB + Type: ET_REL + Machine: EM_RISCV +Sections: + - Name: .debug_abbrev + Type: SHT_PROGBITS + Content: 01110012011201120112011201120112011201120112011201120112011201000000 + - Name: .debug_info + Type: SHT_PROGBITS + Content: 78000000040000000000080142000000000000004200000000000000420000000000000042000000000000004200000000000000420000000000000042000000000000004200000000000000424200000000000042420000000000004242424200000000424242420000000042424242424242004242424242424200 + - Name: .rela.debug_info + Type: SHT_RELA + Flags: [ SHF_INFO_LINK ] + Link: .symtab + EntSize: 0x0000000000000018 + Info: .debug_info + Relocations: + + # Test 1 + # 0x42 with R_RISCV_NONE(0x1) = 0x42 + # CHECK: DW_AT_high_pc (0x0000000000000042) + - Offset: 0x000000000000000C # 0xC + 8*0 + Symbol: v1 + Type: R_RISCV_NONE + + # Test 2 + # 0x42 with R_RISCV_32(0xFFFFFFFFFFFFFFFF) = 0x00000000FFFFFFFF + # CHECK-NEXT: DW_AT_high_pc (0x00000000ffffffff) + - Offset: 0x0000000000000014 # 0xC + 8*1 + Symbol: vFFFFFFFFFFFFFFFF + Type: R_RISCV_32 + + # Test 3 + # 0x42 with R_RISCV_32_PCREL(0x4) = 0x4-0x1C = 0x00000000FFFFFFE8 + # CHECK-NEXT: DW_AT_high_pc (0x00000000ffffffe8) + - Offset: 0x000000000000001C # 0xC + 8*2 + Symbol: v4 + Type: R_RISCV_32_PCREL + + # Test 4 + # 0x42 with R_RISCV_64(0xFFFFFFFFFFFFFFFF) = 0xFFFFFFFFFFFFFFFF + # CHECK-NEXT: DW_AT_high_pc (0xffffffffffffffff) + - Offset: 0x0000000000000024 # 0xC + 8*3 + Symbol: vFFFFFFFFFFFFFFFF + Type: R_RISCV_64 + + # Test 5 + # 0x42 with R_RISCV_SET6(1) = 0x41 + # CHECK-NEXT: DW_AT_high_pc (0x0000000000000041) + - Offset: 0x000000000000002C # 0xC + 8*4 + Symbol: v1 + Type: R_RISCV_SET6 + + # Test 6 + # 0x42 with R_RISCV_SUB6(0x4) = 0x7E + # CHECK-NEXT: DW_AT_high_pc (0x000000000000007e) + - Offset: 0x0000000000000034 # 0xC + 8*5 + Symbol: v4 + Type: R_RISCV_SUB6 + + # Test 7 + # 0x42 with R_RISCV_ADD8(0x04020103) = 0x45 + # CHECK-NEXT: DW_AT_high_pc (0x0000000000000045) + - Offset: 0x000000000000003C # 0xC + 8*6 + Symbol: v04020103 + Type: R_RISCV_ADD8 + + # Test 8 + # 0x42 with R_RISCV_SUB8(0x04020103) = 0x3F + # CHECK-NEXT: DW_AT_high_pc (0x000000000000003f) + - Offset: 0x0000000000000044 # 0xC + 8*7 + Symbol: v04020103 + Type: R_RISCV_SUB8 + + # Test 9 + # 0x4242 with R_RISCV_ADD16(0x04020103) = 0x4345 + # CHECK-NEXT: DW_AT_high_pc (0x0000000000004345) + - Offset: 0x000000000000004C # 0xC + 8*8 + Symbol: v04020103 + Type: R_RISCV_ADD16 + + # Test 10 + # 0x4242 with R_RISCV_SUB16(0x04020103) = 0x413F + # CHECK-NEXT: DW_AT_high_pc (0x000000000000413f) + - Offset: 0x0000000000000054 # 0xC + 8*9 + Symbol: v04020103 + Type: R_RISCV_SUB16 + + # Test 11 + # 0x42424242 with R_RISCV_ADD32(0x04020103) = 0x46444345 + # CHECK-NEXT: DW_AT_high_pc (0x0000000046444345) + - Offset: 0x000000000000005C # 0xC + 8*10 + Symbol: v04020103 + Type: R_RISCV_ADD32 + + # Test 12 + # 0x42424242 with R_RISCV_SUB32(0x04020103) = 0x3E40413F + # CHECK-NEXT: DW_AT_high_pc (0x000000003e40413f) + - Offset: 0x0000000000000064 # 0xC + 8*11 + Symbol: v04020103 + Type: R_RISCV_SUB32 + + # Test 13 + # 0x0042424242424242 with R_RISCV_ADD64(0x0100000000000000) = 0x0142424242424242 + # CHECK-NEXT: DW_AT_high_pc (0x0142424242424242) + - Offset: 0x000000000000006C # 0xC + 8*12 + Symbol: v0100000000000000 + Type: R_RISCV_ADD64 + + # Test 14 + # 0x0042424242424242 with R_RISCV_SUB64(0x0100000000000000) = 0xFF42424242424242 + # CHECK-NEXT: DW_AT_high_pc (0xff42424242424242) + - Offset: 0x0000000000000074 # 0xC + 8*13 + Symbol: v0100000000000000 + Type: R_RISCV_SUB64 + +Symbols: + - Name: v1 + Type: STT_SECTION + Section: .debug_info + Value: 0x0000000000000001 + - Name: v4 + Type: STT_SECTION + Section: .debug_info + Value: 0x0000000000000004 + - Name: v04020103 + Type: STT_SECTION + Section: .debug_info + Value: 0x0000000004020103 + - Name: vFFFFFFFFFFFFFFFF + Type: STT_SECTION + Section: .debug_info + Value: 0xFFFFFFFFFFFFFFFF + - Name: v0100000000000000 + Type: STT_SECTION + Section: .debug_info + Value: 0x0100000000000000 +...