188 lines
7.2 KiB
ArmAsm
188 lines
7.2 KiB
ArmAsm
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# REQUIRES: riscv
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# RUN: rm -rf %t && split-file %s %t && cd %t
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# RUN: llvm-mc -filetype=obj -triple=riscv64 -mattr=+relax a.s -o a.o
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# RUN: llvm-readobj -r -x .gcc_except_table -x .debug_rnglists -x .debug_loclists a.o | FileCheck %s --check-prefix=REL
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# RUN: ld.lld -shared --gc-sections --noinhibit-exec a.o -o a.so
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# RUN: llvm-readelf -x .gcc_except_table -x .debug_rnglists -x .debug_loclists a.so | FileCheck %s
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# REL: .rela.debug_rnglists {
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# REL-NEXT: 0x0 R_RISCV_SET_ULEB128 w1 0x82
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# REL-NEXT: 0x0 R_RISCV_SUB_ULEB128 w2 0xFFFFFFFFFFFFFFFF
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# REL-NEXT: 0x1 R_RISCV_SET_ULEB128 w2 0x78
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# REL-NEXT: 0x1 R_RISCV_SUB_ULEB128 w1 0x0
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# REL-NEXT: 0x3 R_RISCV_SET_ULEB128 w1 0x89
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# REL-NEXT: 0x3 R_RISCV_SUB_ULEB128 w2 0x0
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# REL-NEXT: 0x5 R_RISCV_SET_ULEB128 w2 0x3FF8
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# REL-NEXT: 0x5 R_RISCV_SUB_ULEB128 w1 0x0
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# REL-NEXT: 0x8 R_RISCV_SET_ULEB128 w1 0x4009
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# REL-NEXT: 0x8 R_RISCV_SUB_ULEB128 w2 0x0
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# REL-NEXT: 0xB R_RISCV_SET_ULEB128 w2 0x1FFFF8
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# REL-NEXT: 0xB R_RISCV_SUB_ULEB128 w1 0x0
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# REL-NEXT: 0xF R_RISCV_SET_ULEB128 w1 0x200009
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# REL-NEXT: 0xF R_RISCV_SUB_ULEB128 w2 0x0
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# REL-NEXT: }
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# REL: .rela.debug_loclists {
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# REL-NEXT: 0x0 R_RISCV_SET_ULEB128 w2 0x3
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# REL-NEXT: 0x0 R_RISCV_SUB_ULEB128 w1 0x4
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# REL-NEXT: 0x1 R_RISCV_SET_ULEB128 x2 0x0
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# REL-NEXT: 0x1 R_RISCV_SUB_ULEB128 x1 0x0
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# REL-NEXT: }
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# REL: Hex dump of section '.gcc_except_table':
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# REL-NEXT: 0x00000000 7b800181 01808001 81800180 80800181 {
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# REL-NEXT: 0x00000010 808001 .
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# REL: Hex dump of section '.debug_rnglists':
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# REL-NEXT: 0x00000000 7b800181 01808001 81800180 80800181 {
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# REL-NEXT: 0x00000010 808001 .
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# REL: Hex dump of section '.debug_loclists':
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# REL-NEXT: 0x00000000 0008 .
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# CHECK: Hex dump of section '.gcc_except_table':
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# CHECK-NEXT: 0x[[#%x,]] 7ffc0085 01fcff00 858001fc ffff0085 .
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# CHECK-NEXT: 0x[[#%x,]] 808001 .
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# CHECK: Hex dump of section '.debug_rnglists':
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# CHECK-NEXT: 0x00000000 7ffc0085 01fcff00 858001fc ffff0085 .
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# CHECK-NEXT: 0x00000010 808001 .
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# CHECK: Hex dump of section '.debug_loclists':
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# CHECK-NEXT: 0x00000000 0300 .
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# RUN: ld.lld -shared --gc-sections -z dead-reloc-in-nonalloc=.debug_loclists=0x7f a.o -o a127.so
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# RUN: llvm-readelf -x .debug_loclists a127.so | FileCheck %s --check-prefix=CHECK127
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# CHECK127: Hex dump of section '.debug_loclists':
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# CHECK127-NEXT: 0x00000000 037f .
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# RUN: not ld.lld -shared --gc-sections -z dead-reloc-in-nonalloc=.debug_loclists=0x80 a.o 2>&1 | FileCheck %s --check-prefix=CHECK128
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# CHECK128: error: a.o:(.debug_loclists+0x1): ULEB128 value 128 exceeds available space; references 'x2'
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# RUN: llvm-mc -filetype=obj -triple=riscv64 -mattr=+relax sub.s -o sub.o
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# RUN: not ld.lld -shared sub.o 2>&1 | FileCheck %s --check-prefix=SUB
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# SUB: error: sub.o:(.debug_rnglists+0x8): has non-ABS relocation R_RISCV_SUB_ULEB128 against symbol 'w2'
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# RUN: llvm-mc -filetype=obj -triple=riscv64 -mattr=+relax unpaired1.s -o unpaired1.o
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# RUN: not ld.lld -shared --threads=1 unpaired1.o 2>&1 | FileCheck %s --check-prefix=UNPAIRED
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# RUN: llvm-mc -filetype=obj -triple=riscv64 -mattr=+relax unpaired2.s -o unpaired2.o
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# RUN: not ld.lld -shared --threads=1 unpaired2.o 2>&1 | FileCheck %s --check-prefix=UNPAIRED
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# RUN: llvm-mc -filetype=obj -triple=riscv64 -mattr=+relax unpaired3.s -o unpaired3.o
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# RUN: not ld.lld -shared --threads=1 unpaired3.o 2>&1 | FileCheck %s --check-prefix=UNPAIRED
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# UNPAIRED: error: {{.*}}.o:(.alloc+0x8): R_RISCV_SET_ULEB128 not paired with R_RISCV_SUB_SET128
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# UNPAIRED: error: {{.*}}.o:(.debug_rnglists+0x8): R_RISCV_SET_ULEB128 not paired with R_RISCV_SUB_SET128
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# RUN: llvm-mc -filetype=obj -triple=riscv64 -mattr=+relax overflow.s -o overflow.o
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# RUN: not ld.lld -shared --threads=1 overflow.o 2>&1 | FileCheck %s --check-prefix=OVERFLOW
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# OVERFLOW: error: overflow.o:(.alloc+0x8): ULEB128 value 128 exceeds available space; references 'w2'
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# OVERFLOW: error: overflow.o:(.debug_rnglists+0x8): ULEB128 value 128 exceeds available space; references 'w2'
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# RUN: llvm-mc -filetype=obj -triple=riscv64 -mattr=+relax preemptable.s -o preemptable.o
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# RUN: not ld.lld -shared --threads=1 preemptable.o 2>&1 | FileCheck %s --check-prefix=PREEMPTABLE --implicit-check-not=error:
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# PREEMPTABLE: error: relocation R_RISCV_SET_ULEB128 cannot be used against symbol 'w2'; recompile with -fPIC
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# PREEMPTABLE: error: relocation R_RISCV_SUB_ULEB128 cannot be used against symbol 'w1'; recompile with -fPIC
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#--- a.s
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.cfi_startproc
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.cfi_lsda 0x1b,.LLSDA0
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.cfi_endproc
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.section .text.w,"axR"
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w1:
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call foo # 4 bytes after relaxation
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w2:
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.section .text.x,"ax"
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x1:
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call foo # 4 bytes after relaxation
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x2:
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.section .gcc_except_table,"a"
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.LLSDA0:
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.reloc ., R_RISCV_SET_ULEB128, w1+130
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.reloc ., R_RISCV_SUB_ULEB128, w2-1 # non-zero addend for SUB
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.byte 0x7b
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.uleb128 w2-w1+120 # initial value: 0x0180
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.uleb128 w1-w2+137 # initial value: 0x0181
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.uleb128 w2-w1+16376 # initial value: 0x018080
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.uleb128 w1-w2+16393 # initial value: 0x018081
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.uleb128 w2-w1+2097144 # initial value: 0x01808080
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.uleb128 w1-w2+2097161 # initial value: 0x01808081
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.section .debug_rnglists
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.reloc ., R_RISCV_SET_ULEB128, w1+130
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.reloc ., R_RISCV_SUB_ULEB128, w2-1 # non-zero addend for SUB
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.byte 0x7b
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.uleb128 w2-w1+120 # initial value: 0x0180
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.uleb128 w1-w2+137 # initial value: 0x0181
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.uleb128 w2-w1+16376 # initial value: 0x018080
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.uleb128 w1-w2+16393 # initial value: 0x018081
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.uleb128 w2-w1+2097144 # initial value: 0x01808080
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.uleb128 w1-w2+2097161 # initial value: 0x01808081
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.section .debug_loclists
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.reloc ., R_RISCV_SET_ULEB128, w2+3
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.reloc ., R_RISCV_SUB_ULEB128, w1+4 # SUB with a non-zero addend
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.byte 0
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.uleb128 x2-x1 # references discarded symbols
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#--- sub.s
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w1: call foo; w2:
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.section .debug_rnglists
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.quad 0;
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.reloc ., R_RISCV_SUB_ULEB128, w2+120
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.byte 0x7f
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#--- unpaired1.s
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w1: call foo; w2:
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.section .alloc,"a"
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.quad 0
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.reloc ., R_RISCV_SET_ULEB128, w2+120
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.byte 0x7f
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.section .debug_rnglists
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.quad 0;
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.reloc ., R_RISCV_SET_ULEB128, w2+120
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.byte 0x7f
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#--- unpaired2.s
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w1: call foo; w2:
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.section .alloc,"a"
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.quad 0
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.reloc ., R_RISCV_SET_ULEB128, w2+120
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.reloc .+1, R_RISCV_SUB_ULEB128, w1
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.byte 0x7f
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.section .debug_rnglists
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.quad 0
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.reloc ., R_RISCV_SET_ULEB128, w2+120
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.reloc .+1, R_RISCV_SUB_ULEB128, w1
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.byte 0x7f
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#--- unpaired3.s
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w1: call foo; w2:
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.section .alloc,"a"
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.quad 0
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.reloc ., R_RISCV_SET_ULEB128, w2+120
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.reloc ., R_RISCV_SUB64, w1
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.byte 0x7f
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.section .debug_rnglists
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.quad 0
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.reloc ., R_RISCV_SET_ULEB128, w2+120
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.reloc ., R_RISCV_SUB64, w1
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.byte 0x7f
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#--- overflow.s
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w1: call foo; w2:
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.section .alloc,"a"
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.quad 0
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.reloc ., R_RISCV_SET_ULEB128, w2+124
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.reloc ., R_RISCV_SUB_ULEB128, w1
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.byte 0x7f
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.section .debug_rnglists
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.quad 0
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.reloc ., R_RISCV_SET_ULEB128, w2+124
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.reloc ., R_RISCV_SUB_ULEB128, w1
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.byte 0x7f
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#--- preemptable.s
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.globl w1, w2
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w1: call foo; w2:
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.section .alloc,"a"
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.uleb128 w2-w1
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.section .debug_rnglists
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.uleb128 w2-w1
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